1 2006-12-13 Richard Guenther <rguenther@suse.de>
3 * builtins.c (expand_builtin_cexpi): Fix typo.
5 2006-12-13 Jan Hubicka <jh@suse.cz>
7 * Makefile.in: Add dependencies.
8 * tree-pretty-print.c: Include value-prof.h
9 (dump_generic_bb_buff): Dump histograms
10 * value-prof.c: Include pointer-set.h
11 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
12 set_histogram_value, gimple_histogram_value,
13 gimple_add_histogram_value, gimple_remove_histogram_value,
14 gimple_histogram_value_of_type, dump_histogram_value,
15 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
16 gimple_duplicate_stmt_histograms, visit_hist,
17 verify_histograms): New functions.
18 (tree_value_profile_transformations): Update for new histogram API.
19 (tree_divmod_fixed_value): Update for new histogram API.
20 (tree_divmod_fixed_value_transform): Update for new histogram API.
21 (tree_mod_pow2): Update for new histogram API.
22 (tree_mod_pow2_value_transform): Update for new histogram API.
23 (tree_mod_subtract): Update for new histogram API.
24 (tree_mod_subtract_transform): Update for new histogram API.
25 (tree_stringops_transform): Update for new histogram API.
26 (tree_divmod_values_to_profile): Update for new histogram API.
27 (tree_stringops_values_to_profile): Update for new histogram API.
28 (tree_find_values_to_profile): Update for new histogram API.
29 * value-prof.h (gimple_histogram_value): Declare.
30 (gimple_histogram_value_of_type): Declare.
31 (gimple_add_histogram_value): Declare.
32 (gimple_remove_histogram_value): Declare.
33 (dump_histograms_for_stmt): Declare.
34 (gimple_remove_histogram_value): Declare.
35 (gimple_remove_stmt_histograms): Declare.
36 (gimple_duplicate_stmt_histograms): Declare.
37 (verify_histograms): Declare.
39 (struct funrction): Add value_histograms hash.
40 (VALUE_HISTOGRAMS): New macro.
41 * profile.c (compute_value_histograms): update for new API.
42 * tree-inline.c: Include value-prof.h
43 (copy_bb): Update histograms.
44 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
45 reorder to get smaller memory layout.
46 * tree-cfg.c: Include value-prof.h
47 (bsi_remove): Update histograms.
48 (bsi_replace): Update histograms.
49 (verify_stmts): Call histogram verifier.
50 (tree_duplicate_bb): Update histograms.
51 (move_block_to_fn): Update histograms.
53 2006-12-13 Richard Guenther <rguenther@suse.de>
55 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
57 (cgraph_decide_inlining): Likewise.
59 2006-12-13 Richard Guenther <rguenther@suse.de>
61 PR tree-optimization/17687
62 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
63 New builtins for imaginary argument cexp.
64 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
65 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
66 New required builtin types.
67 * builtins.c (expand_builtin_cexpi): Declare.
68 (mathfn_built_in): Handle BUILT_IN_CEXPI.
69 (expand_builtin_cexpi): New static helper.
70 (expand_builtin): Call it.
71 (do_mpfr_sincos): Adjust for CEXPI evaluation.
72 (fold_builtin_sincos): New function to fold sincos to cepxi.
74 2006-12-13 Richard Guenther <rguenther@suse.de>
76 * ipa-reference.c (scan_for_static_refs): Also scan
77 tcc_comparison class trees.
79 2006-12-12 David Daney <ddaney@avtrex.com>
81 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
84 2006-12-12 Andrew Pinski <pinskia@gmail.com>
86 * tree-vect-transform.c (vect_permute_load_chain):
87 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
90 2006-12-13 Sa Liu <saliu@de.ibm.com>
91 Ben Elliston <bje@au.ibm.com>
93 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
94 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
95 * config/spu/spu-protos.h (spu_c_common_override_options):
97 * config/spu/spu-c.c (spu_c_common_override_options): New.
98 * config/spu/spu.c (spu_override_options): Whitespace fix.
100 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
102 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
104 2006-12-12 Geoffrey Keating <geoffk@apple.com>
106 * mips-tdump.c: Replace CROSS_COMPILE with
107 CROSS_DIRECTORY_STRUCTURE.
108 * mips-tfile.c: Likewise.
110 * configure.ac: Likewise.
111 * cppdefault.c: Likewise.
112 * Makefile.in: Likewise.
113 * config/alpha/osf.h: Likewise.
114 * config/i386/cygwin.h: Likewise.
115 * config/i386/beos-elf.h: Likewise.
116 * config/i386/nto.h: Likewise.
117 * config/fr30/fr30.h: Likewise.
118 * config/svr4.h: Likewise.
119 * config/rs6000/aix.h: Likewise.
120 * config/rs6000/sysv4.h: Likewise.
121 * config/pa/pa64-hpux.h: Likewise.
122 * config/pa/pa-hpux10.h: Likewise.
123 * config/pa/pa-hpux11.h: Likewise.
124 * collect2.c: Likewise.
125 * configure: Regenerate.
127 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
128 actually takes an unsigned HOST_WIDE_INT for its second parameter.
130 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
132 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
133 (spu_encode_section_info): New.
134 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
135 (SYMBOL_FLAG_ALIGN1): New.
137 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
140 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
141 bitmap for EXECUTE_IF_SET_IN_BITMAP.
143 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
146 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
147 (DECL_GIMPLE_REG_P): This.
148 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
150 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
151 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
152 and check for VECTOR_TYPE.
153 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
155 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
157 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
158 and check for VECTOR_TYPE.
159 (gimplify_bind_expr): Likewise.
160 (gimplify_function_tree): Likewise.
161 * expmed.c: Include target.h.
162 (extract_bit_field): For vector mode, try find a better mode first.
163 If that fails use gen_lowpart (for vectors only).
164 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
165 and check for VECTOR_TYPE.
166 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
167 (insert_into_preds_of_block): Likewise.
168 (insert_fake_stores): Create gimple register store_tmps for
170 * tree-sra.c (sra_elt): New field, is_vector_lhs.
171 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
172 are the left hand side, set the element's is_vector_lhs to true.
173 (instantiate_element): For vector types which were on the left
174 hand size, set DECL_GIMPLE_REG_P to false.
175 * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
177 and check for VECTOR_TYPE.
178 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
179 (copy_result_decl_to_var): Likewise.
180 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
181 create a gimple register variable.
182 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
183 vect_inter_* temp variables.
184 * Makefile.in (expmed.o): Update dependencies.
186 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
188 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
189 the offset == 0 "then" clauses.
190 * config/rs6000/predicates.md (gpc_reg_operand): Check for
193 2006-12-12 Marcin Dalecki <martin@dalecki.de>
195 * doc/passes.texi: remove docs about "redundant PHI removal".
196 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
197 remove redundant pass_partition_blocks declaration.
199 2006-12-12 Andrew Macleod <amacleod@redhat.com>
201 PR tree-optimization/30159
202 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
203 functions in case a default_def coalesce is required.
205 2006-12-12 Jakub Jelinek <jakub@redhat.com>
208 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
210 * config/ia64/linux.h (CPP_SPEC): Define.
211 * config/s390/linux.h (CPP_SPEC): Define.
213 2006-12-12 Jim Wilson <wilson@specifix.com>
214 Jakub Jelinek <jakub@redhat.com>
216 PR rtl-optimization/27761
217 * combine.c (try_combine): Don't create a useless garbage SET
218 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
219 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
220 and use it to prevent accidental modification of i1src.
222 2006-12-12 Ira Rosen <irar@il.ibm.com>
224 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
225 for stores with gaps.
226 * tree-vect-transform.c (vect_permute_store_chain): Create
227 interleave_high or interleave_low according to the endianess.
229 2006-12-12 Richard Guenther <rguenther@suse.de>
232 * fold-const.c (fold_read_from_constant_string): Only fold read
233 from constant string if the result type is integer.
235 2006-12-12 Olivier Hainque <hainque@adacore.com>
237 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
239 2006-12-12 Olivier Hainque <hainque@adacore.com>
241 * config/vxlib.c: Extract tls related routines into ...
242 * config/vxlib-tls.c: New file.
243 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
245 2006-12-12 Sa Liu <saliu@de.ibm.com>
246 Ben Elliston <bje@au.ibm.com>
248 * config/spu/spu.opt (mfixed-range): New option.
249 * config/spu/spu.h (spu_fixed_range_string): Declare.
250 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
251 (fix_range): New function.
252 * doc/invoke.texi (SPU Options): Document -mfixed-range.
253 * testsuite/gcc.target/spu/fixed-range.c: New.
254 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
256 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
260 * cgraphunit.c (cgraph_optimize): Remove call to
261 process_pending_assemble_externals.
263 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
265 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
267 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
268 (ia64_hpux_add_extern_decl): Removed.
269 (ia64_hpux_file_end): Likewise.
270 (extern_func_list): Likewise.
271 (extern_func_head): Likewise.
273 * output.h (assemble_external): Update comments.
274 (default_elf_asm_output_external): New.
275 (maybe_assemble_visibility): New.
277 * toplev.c (compile_file): Update comment.
279 * varasm.c (assemble_external): Always put it on
280 pending_assemble_externals.
281 (maybe_assemble_visibility): Make it extern and return int.
282 (default_elf_asm_output_external): New.
284 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
286 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
287 can't handle the pointer arithmetic.
289 2006-12-11 Diego Novillo <dnovillo@redhat.com>
291 * doc/tree-ssa.texi: Update documentation for virtual operands
292 and the use of push_stmt_changes/pop_stmt_changes.
293 * doc/invoke.texi: Remove documentation for params
294 global-var-threshold.
295 Update documentation on max-aliased-vops.
297 * tree-into-ssa.c: Cleanup comments, variables and
298 spacing in various functions.
299 (regs_to_rename): Declare.
300 (mem_syms_to_rename): Declare.
301 (dump_update_ssa): Declare.
302 (debug_update_ssa): Declare.
303 (dump_names_replaced_by): Declare.
304 (debug_names_replaced_by): Declare.
305 (dump_def_blocks): Declare.
306 (debug_def_blocks): Declare.
307 (dump_defs_stack): Declare.
308 (debug_defs_stack): Declare.
309 (dump_currdefs): Declare.
310 (debug_currdefs): Declare.
311 (mark_def_sites): Do not handle virtual operands.
312 (compute_idf): Rename from find_idf. Update users.
313 (register_new_def): Make local. Convert second argument
315 Use BLOCK_DEFS_STACK directly.
316 If pushing a non-register, also push the underlying
318 (rewrite_stmt): Do not handle virtual operands.
319 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
320 dump_currdefs and dump_tree_ssa_stats.
321 (dump_tree_ssa_stats): Also dump REPL_TBL.
322 (replace_use): Remove. Update all users to call SET_USE
324 (rewrite_blocks): Move code to free memory to
326 (mark_def_site_blocks): Move initialization code to
328 (init_ssa_renamer): New.
329 (fini_ssa_renamer): New.
330 (rewrite_into_ssa): Call them.
331 (prepare_block_for_update): Process SSA_OP_ALL_USES first
332 and SSA_OP_ALL_DEFS later. Do not process virtual
334 (dump_update_ssa): Call dump_decl_set.
335 (init_update_ssa): Initialize regs_to_rename and
337 Call init_ssa_renamer.
338 (delete_update_ssa): Call fini_ssa_renamer.
339 Free blocks_with_phis_to_rewrite.
340 (mark_sym_for_renaming): If the variable has
341 sub-variables, also mark them.
342 If the variable belongs to a partition, also mark it.
343 (mark_set_for_renaming): Call mark_sym_for_renaming on
344 every symbol in the set.
345 (switch_virtuals_to_full_rewrite): Call
346 mark_set_for_renaming.
347 (update_ssa): Separate syms_to_rename into regs_to_rename
348 and mem_syms_to_rename.
350 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
351 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
352 (debug_generic_stmt): Likewise.
353 (debug_tree_chain): Likewise.
355 (dump_generic_node): Check for TDF_MEMSYMS.
356 Handle MEMORY_PARTITION_TAG.
357 If the statement references memory and TDF_MEMSYMS is
358 given, call dump_symbols.
359 Indicate default names with (D).
360 (dump_vops): Update for new virtual operator format.
362 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
363 tree_contains_struct.
364 (tree_code_size): Handle MEMORY_PARTITION_TAG.
365 (tree_node_structure): Likewise.
366 (needs_to_live_in_memory): Handle SSA names.
367 * tree.h (MTAG_P): Likewise.
368 (struct tree_memory_partition_tag): Declare.
369 (MPT_SYMBOLS): Define.
370 (union tree_node): Add field 'mpt'.
371 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
372 * tree.def (MEMORY_PARTITION_TAG): Define.
374 * tree-pass.h (TDF_MEMSYMS): Define.
376 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
378 * tree-ssa-alias.c: Include pointer-set.h
379 (struct alias_map_d): Remove fields total_alias_vops,
380 grouped_p and may_aliases. Update all users.
381 (struct mp_info_def): Declare.
382 (mp_info_t): New type.
383 (get_smt_for): Rename from get_tmt_for. Update all
385 (add_may_alias): Add argument ALREADY_ADDED. If given,
386 use it to avoid adding duplicate entries to alias sets.
387 (replace_may_alias): Remove. Update all users.
388 (total_alias_vops_cmp): Remove. Update all users.
389 (group_aliases_into): Remove. Update all users.
390 (tree_pointer_compare): Remove. Update all users.
391 (compact_name_tags): Remove. Update all users.
392 (group_aliases): Remove. Update all users.
393 (mark_non_addressable): Move from tree-flow-inline.h.
394 Remove the symbol from the partition holding it, if
397 (debug_mp_info): New.
399 (create_partition_for): New.
400 (rewrite_alias_set_for): New.
401 (compute_memory_partitions): New.
402 (compute_may_aliases): Call it.
403 (init_alias_info): If computing aliases for the first
404 time, mark every memory symbol for renaming.
405 (have_common_aliases_p): New.
406 (compute_flow_insensitive_aliasing): Call it.
407 (setup_pointers_and_addressables): Do not cache
409 For register promoted symbols, mark their former
410 partition for renaming.
411 (maybe_create_global_var): Only create .GLOBAL_VAR if
412 there are no call-clobbered variables and a mix of pure
413 and non-pure functions were found.
414 (may_alias_p): Tidy comments.
415 (create_tag_raw): Remove unused variable new_type.
416 (dump_alias_info): call dump_memory_partitions.
417 (dump_points_to_info_for): Call dump_decl_set.
418 (may_be_aliased): Tidy comments and formatting.
420 * timevar.def (TV_MEMORY_PARTITIONING): Define.
421 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
422 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
424 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
425 * tree-vect-transform.c (vect_transform_loop): Call
426 mark_set_for_renaming with vect_memsyms_to_rename.
427 * tree-flow-inline.h (zero_imm_uses_p): New.
428 (memory_partition): New.
429 (set_memory_partition): New.
430 (factoring_name_p): New.
431 (symbol_mem_tag): New. Update every function that used
432 to access the annotation directly.
433 (set_symbol_mem_tag): Likewise.
435 * tree-ssa-copy.c (may_propagate_copy): Allow copies
436 between a partition and a symbol as long as the symbol
437 belongs to the partition.
438 (merge_alias_info): Ignore merge requests when memory
439 partitions are involved.
441 * tree-ssa.c (verify_ssa_name): Check that default
442 definitions have empty defining statements.
443 (verify_use): Remove argument IS_VIRTUAL.
444 Don't call verify_ssa_name.
445 (verify_phi_args): Call verify_ssa_name.
446 (verify_flow_insensitive_alias_info): Handle MPTs.
447 (verify_flow_sensitive_alias_info): Likewise.
448 (verify_name_tags): Likewise.
449 (verify_call_clobbering): Likewise.
450 (verify_ssa): Check for VOPs only after aliasing
451 information is available.
452 Check virtuals and real operands separately.
453 Call verify_ssa_name on every operand.
454 (stmt_references_memory_p): Move to tree-ssa-operands.c.
455 (walk_use_def_chains_1): Guard against NULL PHI
458 * tree-ssa-operands.c (stmt_references_memory_p): Move from
461 (dump_memory_partitions): New.
462 (debug_memory_partitions): New.
464 * tree-flow.h (struct var_ann_d): Add field mpt.
465 (struct stmt_ann_d): Add bitfield references_memory.
466 * Makefile.in (tree-ssa-structalias.o): Include
468 (tree-ssa-alias.o): Likewise.
469 * tree-ssa-structalias.c: (update_alias_info): Use
470 STORED_SYMS to determine which variables are being
471 written to by the store operation.
472 * tree-ssa-structalias.h (struct alias_info)
473 <total_alias_vops>: Remove. Update all users.
474 <written_vars>: Change to a pointer set. Update all
476 <dereferenced_ptrs_store>: Likewise.
477 <dereferenced_ptrs_load>: Likewise.
478 (NUM_REFERENCES): Remove. Update all users.
479 (NUM_REFERENCES_CLEAR): Remove. Update all users.
480 (NUM_REFERENCES_INC): Remove. Update all users.
481 (NUM_REFERENCES_SET): Remove. Update all users.
483 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
485 (PARAM_MAX_ALIASED_VOPS): Set to 10.
486 * tree-ssanames.c (make_ssa_name): Initialize
487 SSA_NAME_IS_DEFAULT_DEF to 0.
489 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
491 * tree-ssa-dse.c (aggregate_vardecl_d): New.
492 (dse_global_data): Add aggregate_vardecl field.
493 (dse_possible_dead_store_p): New.
494 Add prev_defvar variable.
495 Allow immediate uses and previous immediate uses to differ
496 if they are setting different parts of the whole.
497 (get_aggregate_vardecl): New.
498 (dse_record_partial_aggregate_store): New.
499 (dse_whole_aggregate_clobbered_p): New.
500 (dse_partial_kill_p): New.
501 (dse_optimize_stmt): Abstract code checking a possible dead store
502 into new function dse_possible_dead_store_p().
503 Call dse_maybe_record_aggregate_store().
504 When checking whether a STMT and its USE_STMT refer to the
505 same memory address, check also for partial kills that clobber
507 Move some variable definitions to the block where they are used.
508 (aggregate_vardecl_hash): New.
509 (aggregate_vardecl_eq): New.
510 (aggregate_vardecl_free): New.
511 (aggregate_whole_store_p): New.
512 (tree_ssa_dse): Initialize and free aggregate_vardecl.
513 Mark which aggregate stores we care about.
515 2006-12-11 Andrew Macleod <amacleod@redhat.com>
517 * tree-ssa-operands.h (struct vuse_element_d): Declare.
518 (vuse_element_t): Declare.
519 (struct vuse_vec_d): Declare.
520 (vuse_vec_p): Declare.
521 (VUSE_VECT_NUM_ELEM): Define.
522 (VUSE_VECT_ELEMENT_NC): Define.
523 (VUSE_ELEMENT_PTR_NC): Define.
524 (VUSE_ELEMENT_VAR_NC): Define.
525 (VUSE_VECT_ELEMENT): Define.
526 (VUSE_ELEMENT_PTR): Define.
527 (VUSE_ELEMENT_VAR): Define.
528 (struct maydef_optype_d) <use_var>: Remove.
531 (struct vuse_optype_d) <kill_var>: Remove.
534 (struct mustdef_optype_d) <kill_var>: Remove.
537 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
538 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
541 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
542 (MAYDEF_OP): Add argument. Use VUSE_OP.
543 (MAYDEF_NUM): Define.
544 (MAYDEF_VECT): Define.
545 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
546 (MUSTDEF_KILL): Use VUSE_OP.
547 (MUSTDEF_NUM): Define.
548 (MUSTDEF_VECT): Define.
549 (realloc_maydef): Declare.
550 (realloc_vuse): Declare.
551 (struct ssa_operand_iterator_d) <vuse_index>: Add.
553 (LOADED_SYMS): Define.
554 (STORED_SYMS): Define.
555 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
556 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
558 * tree-pretty-print.c: Likewise.
559 * tree-ssa-dse.c: Likewise.
560 * tree-flow-inline.h: Likewise.
561 (op_iter_next_mustdef): New.
562 * tree-ssa-operands.c: Likewise.
563 (ALLOC_OPTYPE): Remove.
569 (alloc_mustdef): New.
570 (realloc_maydef): New.
573 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
575 * tree-ssa-operands.c: Remove build_v_must_defs.
576 (init_ssa_operands): Delete build_v_must_defs.
577 (finalize_ssa_v_must_def_ops): Remove.
578 (finalize_ssa_v_must_defs): Remove.
579 (finalize_ssa_stmt_operands): Do not call
580 finalize_ssa_v_must_defs.
581 (start_ssa_stmt_operands): Do not check build_v_must_defs.
582 (append_v_must_def): Delete.
583 (copy_virtual_operands): Do not copy V_MUST_DEFs.
584 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
585 comment. Remove opf_kill_def.
586 (build_ssa_operands): Remove references to v_must_defs.
587 (copy_virtual_operands): Same.
588 (copy_virtual_operands): Same.
589 (fini_ssa_operands): Same.
590 (free_ssa_operands): Same.
591 (add_mustdef_op): Remove.
592 Remove mustdef_optype_p.
593 (alloc_mustdef): Remove.
594 Remove references to V_MUST_DEFs in comment at top of file.
595 (get_expr_operands): Remove opf_kill_def.
596 (opf_kill_def): Remove.
597 (add_virtual_operand): Remove opf_kill_def.
598 (get_indirect_ref_operands): Same.
599 (get_tmr_operands): Same.
601 * tree-vectorizer.c (rename_variables_in_bb): Remove
604 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
606 (check_loop_closed_ssa_stmt): Same.
608 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
610 (verify_ssa): Remove V_MUST_DEFs traces.
611 (verify_ssa): Remove SSA_OP_ALL_KILLS.
613 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
615 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
616 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
618 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
620 (MUSTDEF_OPS): Remove.
621 (SSA_OP_VMUSTDEF): Remove.
622 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
623 (struct mustdef_optype_d): Remove.
624 Remove mustdef_optype_p.
625 (struct stmt_operands_d): Remove mustdef_ops.
626 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
627 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
628 (MUSTDEF_RESULT_PTR): Remove.
629 (MUSTDEF_RESULT): Remove.
630 (MUSTDEF_KILL_PTR): Remove.
631 (MUSTDEF_KILL): Remove.
632 (MUSTDEF_NUM): Remove.
633 (MUSTDEF_VECT): Remove.
634 (SSA_OP_VIRTUAL_KILLS): Remove.
635 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
636 (SSA_OP_VMUSTKILL): Remove.
637 (SSA_OP_ALL_KILLS): Remove.
638 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
640 * tree-flow-inline.h (op_iter_init_def): Remove
641 SSA_OP_VIRTUAL_KILLS.
642 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
644 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
645 SSA_OP_VIRTUAL_KILLS.
647 * tree-ssa-loop-im.c (determine_max_movement): Remove
648 SSA_OP_VIRTUAL_KILLS.
649 (gather_mem_refs_stmt): Same.
650 (gather_mem_refs_stmt): Same.
652 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
653 (perform_tree_ssa_dce): Remove call to
654 mark_really_necessary_kill_operand_phis.
656 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
658 (op_iter_next_use): Do not check mustkills.
659 (op_iter_next_def): Do not check mustdefs.
660 (op_iter_next_tree): Do not check mustkills or mustdefs.
661 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
662 (op_iter_next_maymustdef): Do not check mustkills.
663 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
664 (op_iter_init_mustdef): Remove.
666 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
669 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
671 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
672 (visit_assignment): Same.
674 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
676 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
678 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
680 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
681 Remove kill_p variable.
683 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
684 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
685 (collect_dfa_stats_r): Do not set num_v_must_defs.
686 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
689 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
692 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
693 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
695 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
698 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
700 PR rtl-optimization/30113
701 * loop-iv.c (implies_p): Require the mode of the operands to be
704 2006-12-11 Diego Novillo <dnovillo@redhat.com>
706 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
707 Rename from create_ssa_artficial_load_stmt. Update all users.
708 * tree-into-ssa.c (register_new_def): Make static.
709 * tree.c (is_global_var): Handle SSA_NAMEs.
710 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
711 that used to call gimple_default_def.
712 * tree-ssa-operands.c (push_stmt_changes): New.
713 (pop_stmt_changes): New. Update every pass that modifies
714 statements to bracket modifications with
715 push_stmt_changes/pop_stmt_changes.
716 (discard_stmt_changes): New.
717 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
718 'tree *' instead of 'tree'. Update all users.
719 * tree-flow-inline.h (zero_imm_uses_p): New.
720 (symbol_mem_tag): New. Update every function that used
721 to access the annotation directly.
722 (set_symbol_mem_tag): Likewise.
723 * tree-dfa.c (dump_variable): Always show the escape mask.
724 (mark_symbols_for_renaming): Rename from
725 mark_new_vars_to_rename. Update all users.
726 Only mark to rename naked symbols in real and virtual
729 2006-12-11 Andreas Schwab <schwab@suse.de>
731 * varasm.c (elf_record_gcc_switches): Cast second argument of
732 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
734 2006-12-11 Diego Novillo <dnovillo@redhat.com>
736 * tree-scalar-evolution.c (scev_const_prop):
737 * tree-phinodes.c (remove_phi_node): Add argument
738 RELEASE_LHS_P. If given, release the SSA name on the LHS of
741 * tree-ssa-dce.c: Remove forward declarations for static
742 functions. Re-arrange functions bodies as needed.
743 (find_obviously_necessary_stmts): Never mark PHI nodes as
746 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
748 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
750 2006-12-11 Jan Hubicka <jh@suse.cz>
752 * value-prof.c (tree_stringops_transform): New.
753 (tree_value_profile_transformations): Require count to be non-zero;
754 call stringop transform; reset stmt BSI after BB changed.
755 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
756 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
757 (tree_stringops_values_to_profile): New.
758 (tree_values_to_profile): Call tree_stringops_values_to_profile.
759 * tree.h (build_string_literal): Tidy prototype.
760 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
762 * builtins.c (validate_arglist, builtin_memset_read_str,
763 get_pointer_alignment): Export.
765 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
769 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
771 * config/i386/i386.opt: New target option -mx87regparm.
773 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
774 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
775 (X87_REGPARM_MAX): Define.
777 * config/i386/i386.c (override_options): Error out for
778 -mx87regparm but no 80387 support.
779 (ix86_attribute_table): Add x87regparm.
780 (ix86_handle_cconv_attribute): Update comments for x87regparm.
781 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
782 (ix86_function_x87regparm): New function.
783 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
785 (init_cumulative_args): Initialize x87_nregs and float_in_x87
787 (function_arg_advance): Process x87_nregs and x87_regno when
788 floating point argument is to be passed in 80387 register.
789 (function_arg): Pass XFmode arguments in 80387 registers for local
790 functions. Pass SFmode and DFmode arguments to local functions
791 in 80387 registers when flag_unsafe_math_optimizations is set.
793 * reg-stack.c (convert_regs_entry): Disable NaN load for
794 stack registers that are used for argument passing.
796 * doc/extend.texi: Document x87regparm function attribute.
797 * doc/invoke.texi: Document -mx87regparm.
799 2006-12-11 Jan Hubicka <jh@suse.cz>
801 Move all varpool routines out of cgraph/cgraphunit to varpool.c
802 * cgraph.c: Update comments.
803 (cgraph_varpool_hash,
804 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
805 cgraph_varpool_node_name, cgraph_varpool_node,
806 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
807 cgraph_variable_initializer_availability): Move to
808 varpool.c and drop cgraph_ prefixes.
809 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
810 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
811 move to varpool.c; drop cgraph_ prefix; make static.
812 (dump_cgraph_varpool_node): Move to varpool.c under name
814 (dump_varpool, hash_varpool_node, eq_varpool_node,
815 decide_is_variable_needed): Move to varpool.c
816 (decl_assembler_name_equal): Move to tree.c.
817 (availability_names): Rename to ...
818 (cgraph_availability_names): ... this one.
819 (dump_cgraph_node): Update.
820 * cgraph.h: Reorder declarations now in varpool.c
821 (cgraph_vailablity_names): Declare.
822 (struct cgraph_varpool_node): Rename to ...
823 (struct varpool_node): ... this one.
824 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
825 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
826 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
827 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
828 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
829 cgraph_variable_initializer_availability): Rename to ...
830 (varpool_first_unanalyzed_node, varpool_nodes_queue,
831 varpool_first_unanalyzed_node, varpool_node,
832 varpool_node_for_asm, varpool_mark_needed_node,
833 varpool_finalize_decl, varpool_enqueue_needed_node,
834 varpool_assemble_pending_decls, variable_initializer_availability):
836 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
837 * tree.h (decl_assembler_name_equal): Declare.
838 * omp-low.c (lower_omp_critical): Update.
839 * ipa-reference (analyze_variable, static_execute): Likewise.
840 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
841 * cgraphunit.c: Update comments.
842 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
843 varpool_assembled_nodes_queue.
844 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
845 varpool_analyze_pending_decls.
846 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
847 varpool_remove_unreferenced_decls.
848 (record_reference): Update.
849 (cgraph_create_edges): Update.
850 (record_referneces_in_initializer): New function.
851 (cgraph_varpool_assemble_decl): Move to varpool.c under name
852 varpool_assemble_decl; make global.
853 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
854 varpool_assemble_pending_decls.
855 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
856 struct cgraph_order_sort, cgraph_output_in_order,
857 cgraph_function_and_variable_invisibility, cgraph_optimize,
858 cgraph_increase_alignment): Update.
859 * dwarf2out.c (decls_for_scope): Likewise.
860 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
861 * except.c (output_ttype): Likewise.
862 * varasm.c (mark_decl_referenced): Likewise.
863 (find_decl_and_mark_referenced, assemble_alias): update.
864 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
865 * passes.c (rest_of_decl_compilation): Update.
867 2006-12-11 Ira Rosen <irar@il.ibm.com>
869 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
871 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
872 (vect_setup_realignment): Likewise.
874 2006-12-11 Sa Liu <saliu@de.ibm.com>
875 Ben Elliston <bje@au.ibm.com>
877 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
878 (ENDFILE_SPEC): Likewise.
879 * config/spu/spu.opt (mstdmain): New option.
880 * config/spu/crti.asm: Remove.
881 * config/spu/crtn.asm: Likewise.
882 * config/spu/crt0.c: Likewise.
883 * config/spu/crtend.c: Likewise.
884 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
886 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
887 * doc/invoke.texi (SPU Options): Document -mstdmain.
889 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
891 * doc/loop.texi: Document number_of_latch_executions and
892 number_of_cond_exit_executions.
893 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
894 chrec_is_positive, number_of_iterations_for_all_loops,
895 scev_const_prop): Use number_of_latch_executions.
896 (set_nb_iterations_in_loop): Do not increase the value of the
897 number of iterations.
898 (number_of_iterations_in_loop): Renamed to ...
899 (number_of_latch_executions): ... this.
900 (number_of_exit_cond_executions): New function.
901 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
903 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
904 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
905 number_of_latch_executions.
906 * tree-data-ref.c (get_number_of_iters_for_loop): Use
907 number_of_exit_cond_executions.
908 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
909 * cfgloop.h (struct loop): Improve description of the nb_iterations
912 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
914 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
915 (tree_pointer_compare): Remove.
917 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
919 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
920 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
921 * tree-loop-linear.c (linear_transform_loops): Ditto.
922 * tree-ssa-loop-im.c (determine_lsm): Ditto.
923 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
924 free_numbers_of_iterations_estimates): Ditto.
925 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
926 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
927 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
928 * modulo-sched.c (sms_schedule): Ditto.
929 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
930 tree_unroll_loops_completely): Ditto.
931 * predict.c (predict_loops): Ditto.
932 * tree-if-conv.c (main_tree_if_conversion): Ditto.
933 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
934 decide_unrolling_and_peeling): Ditto.
935 * cfgloopmanip.c (unloop): Use delete_loop.
936 (place_new_loop): Access larray vector instead of parray.
937 (create_preheaders, force_single_succ_latches,
938 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
939 * loop-doloop.c (doloop_optimize_loops): Ditto.
940 * loop-invariant.c (move_loop_invariants): Ditto.
941 * tree-cfg.c (replace_uses_by): Ditto.
942 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
943 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
945 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
947 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
948 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
949 get_loop and get_chrec_loop.
950 (number_of_iterations_for_all_loops): Use number_of_loops.
951 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
952 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
953 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
955 * tree-chrec.c (evolution_function_is_invariant_rec_p,
956 chrec_convert_1): Use get_loop and get_chrec_loop.
957 * loop-init.c (loop_optimizer_init): Use number_of_loops.
958 (loop_optimizer_init): Use FOR_EACH_LOOP.
959 * tree-vectorizer.c (vect_loops_num): Removed.
960 (vectorize_loops): Store number of loops locally. Use
961 FOR_EACH_LOOP and get_loop.
962 * tree-vectorizer.h (vect_loops_num): Removed.
963 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
964 (find_data_references_in_loop): Do not set parallel_p.
965 * tree-data-ref.h: Do not declare VEC(loop_p).
966 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
967 verify_loop_structure): Use FOR_EACH_LOOP.
968 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
969 (initialize_loops_parallel_p): Removed.
970 (flow_loops_find): Push the loops into a vector.
971 (delete_loop): New function.
972 (cancel_loop): Use delete_loop.
973 * cfgloop.h: Declare VEC(loop_p).
974 (struct loop): Remove parallel_p field.
975 (struct loops): Replace num and parray field by larray vector.
976 Remove shared_headers field.
977 (delete_loop): Declare.
978 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
980 * doc/loop.tex: Document new accessor functions.
982 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
984 * common.opt (-ftree-lrs): Remove live range splitting option.
985 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
986 * opts.c (decode_options): Remove flag_tree_live_range_split.
987 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
988 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
989 * tree-outof-ssa.c: Remove header files which aren't needed.
990 (SSANORM_*): Remove flags.
991 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
992 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
993 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
994 (assign_vars): Use Basevar instead of root_var structure.
995 (replace_def_variable): Dont do anything if def is replaceable.
996 (remove_ssa_form): Integrate functional changes.
997 (rewrite_out_of_ssa): Remove live-range_split option.
998 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
999 (coalesce_cost): Calculate the cost of a coalesce.
1000 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1001 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1002 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1003 (pop_best_coalesce): Remove the best coalesce from the list.
1004 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1005 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1006 (create_coalesce_list): Create a coalesce list object.
1007 (delete_coalesce_list): Free a coalesce list object.
1008 (find_coalesce_pair): Find matching pair in the coalesce list.
1009 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1010 (add_coalesce): Add a coalesce to the coalesce list.
1011 (compare_pairs): Comparision function to determine pair sorted order.
1012 (num_coalesce_pairs): Number of coalesced pairs.
1013 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1014 Coalesce pair iterator functions.
1015 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1016 (dump_coalesce_list): Show coalesce list.
1017 (ssa_conflicts_new): Create an SSA conflict graph.
1018 (ssa_conflicts_delete): Delete an SSA conflict graph.
1019 (ssa_conflicts_test_p): Test for conflicts.
1020 (ssa_conflicts_add_one): Add a single conflict.
1021 (ssa_conflicts_add): Add a conflict pair.
1022 (ssa_conflicts_merge): Merge conflicts.
1023 (struct live_track_d): Struct for tracking live partitions.
1024 (new_live_track): Create new live_track object.
1025 (delete_live_track): Delete a live_track object.
1026 (live_track_remove_partition): Remove a partition from the live list.
1027 (live_track_add_partition): Add a partition from the live list.
1028 (live_track_clear_var): Take VAR from the live list.
1029 (live_track_live_p): Is var live?
1030 (live_track_process_use): Make var come alive.
1031 (live_track_process_def): Make var go dead, add conflicts.
1032 (live_track_init): Initialize to a live on exit set.
1033 (live_track_clear_base_vars): Clear live partitions.
1034 (build_ssa_conflict_graph): Build a conflict graph.
1035 (print_exprs): Common debug output routine.
1036 (abnormal_corrupt): Output info about a failed coalesce across an
1038 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1039 (create_outofssa_var_map): Create a var map and coalesce list.
1040 (attempt_coalesce): Coalesce a pair.
1041 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1042 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1043 * tree-ssa-live.c: Remove header files which aren't needed.
1044 (var_map_base_init): New. Initialize a basevar list.
1045 (var_map_base_fini): New. Finish a basevar list.
1046 (init_var_map): Initialize new fields.
1047 (delete_var_map): Free new fields.
1048 (var_union): Use renamed fields.
1049 (compact_var_map): Remove.
1050 (partition_to_view_init): Use renamed fields, change order of an if.
1051 (partition_view_fini): Use renamed fields.
1052 (partition_view_normal): Create basevar list if requested.
1053 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1054 (change_partition_var): Use renamed fields.
1055 (create_ssa_var_map): Remove.
1056 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1057 root_var_init): Remove.
1058 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1059 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1060 compare_pairs, num_coalesce_pairs, first_partition_pair,
1061 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1062 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1063 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1064 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1065 (dump_var_map): Use renamed fields.
1066 * tree-ssa-live.h (struct _var_map): Modify fields.
1067 (partition_to_var, version_to_var, var_to_partition): Use renamed
1069 (basevar_index): New. Index of the base variable of a partition.
1070 (num_basevars): New. Number of unique base variables in partition map.
1071 (register_ssa_partition): Use renamed fields.
1072 (struct tree_partition_associator_d): Remove.
1073 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1074 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1075 root_var, root_var_first_partition, root_var_next_partition,
1076 root_var_dump, root_var_delete, root_var_remove_partition,
1077 root_var_find, root_var_compact, root_var_decompact): Remove.
1078 (struct partition_pair, struct coalesce_list_d): Moved to
1080 * tree-ssa-ter.c: Remove header files which aren't needed.
1082 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1084 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1085 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1087 (cse_visited_basic_blocks): New static bitmap.
1088 (cse_end_of_basic_block, cse_basic_block): Remove.
1089 (cse_find_path, cse_dump_path, cse_prescan_path,
1090 cse_extended_basic_block): New static functions.
1091 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1092 basic block boundaries. Don't record jump equivalences here.
1093 Update the CFG after doing in-place replacement of the SET_SRC.
1094 (cse_main): Rewrite. Look for extended basic block headers
1095 and call cse_extended_basic_block on them until all paths that
1096 start at this header are exhausted.
1097 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1098 and correct after cse_main.
1099 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1100 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1101 (pass_cse): Add TODO_verify_flow.
1102 (pass_cse2): Likewise.
1104 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1106 * reload1.c (choose_reload_regs): Don't set byte offset when
1107 resolving subregs of hard regs.
1109 2006-12-09 Zack Weinberg <zackw@panix.com>
1111 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1112 suitable for the language, if set_yydebug is true.
1113 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1114 YYDEBUG or declare yydebug.
1115 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1117 2006-12-09 Jan Hubicka <jh@suse.cz>
1119 * cgraph.c: Update copyright.
1120 * cgraph.h: Likewise
1121 (cgraph_update_pending_function): Remove prototype.
1122 * cgraphunit.c: Update copyright; update overall comment.
1123 (cgraph_assemble_pending_functions): Make local.
1125 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1127 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1129 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1131 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1133 (cpat_const_p, gen_cpat_const): Add.
1134 * config/spu/spu.c (immediate_class): New enum.
1135 (cpat_info, classify_immediate): New.
1136 (print_operand): Use S, D, T instead of F, G, H. Use
1137 classify_immediate. Handle cpat cases.
1138 (spu_split_immediate): Renamed from spu_split_address. Split all
1139 immediates that can be split.
1140 (immediate_load_p): Use classify_immediate.
1141 (spu_legitimate_constant_p): Accept everything except some cases of
1143 (spu_expand_move): Use spu_split_immedate.
1144 (fsmbi_const_p): Use classify_immediate.
1145 (cpat_const_p): New.
1146 (gen_cpat_const: New.
1147 * config/spu/constraints.md (j,k,l): New constraints for cpat
1149 * config/spu/spu.md (unnamed splitter): Change address splitter to
1150 handle all immediates.
1151 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1153 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1156 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1159 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1160 patterns. Correct length of high:DI instruction sequence.
1162 2006-12-08 Mike Stump <mrs@apple.com>
1164 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1165 libgcc with -mmacosx-version-min=10.4.
1166 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1167 G4 for 10.5+ unless doing kernel builds.
1169 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1172 * reg-stack.c (convert_regs_entry): Mark current argument passing
1175 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1176 of float arguments in x87 registers.
1178 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1180 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1182 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1184 * recog.c (mode_dependent_address_p): Identify pre-increment,
1185 pre-decrement, post-increment and post-decrement addressing as always
1186 being mode-dependent.
1187 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1188 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1189 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1190 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1191 PRE_INC and POST_INC checks.
1192 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1193 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1194 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1195 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1196 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1197 PRE_INC, POST_DEC and POST_INC cases.
1198 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1199 Delete POST_INC and PRE_DEC cases.
1200 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1202 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1203 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1205 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1206 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1207 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1208 PRE_INC and PRE_DEC cases.
1209 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1210 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1211 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1212 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1213 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1214 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1215 auto-increment cases.
1216 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1217 auto-increment cases.
1218 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1220 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1222 * Makefile.in: Add new file tree-ssa-ter.c.
1223 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1224 free_temp_expr_table, add_value_to_version_list,
1225 add_value_to_partition_list, remove_value_from_partition_list,
1226 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1227 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1228 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1229 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1231 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1232 (struct value_expr_d): Remove.
1233 (struct temp_expr_table_d): Rename fields, add explicit vector of
1234 replaceable expressions instead of sharing. Change value_expr_p's to
1235 bitmap. Delete free_list.
1236 (new_temp_expr_table): Rename fields, count number of ssa_names in
1238 (free_temp_expr_table): Rename field, free new fields.
1239 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1240 add_info_to_list, remove_value_from_list): Delete.
1241 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1242 (make_dependent_on_partition): New. Set bit in version list, allocating
1243 a bitmap if need be.
1244 (add_to_partition_kill_list): New. Set bit in the partition list,
1245 allocating a bitmap if need be.
1246 (remove_from_partition_kill_list): New. Remove a bit from the
1247 partition list, free the bitmap if it is empty.
1248 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1249 on partitions with only one member.
1250 (is_replaceable_p): New. Split out replaceability check from
1252 (process_replaceable): New. Code split from check_replaceable.
1253 (check_replaceable): Removed.
1254 (finished_with_expr): Renamed from finish_expr.
1255 (kill_expr): Use renamed fields and less parameters.
1256 (kill_virtual_exprs): Less parameters.
1257 (mark_replaceable): Use renamed fields.
1258 (find_replaceable_in_bb): Use renamed fields, cleanup.
1259 (find_replaceable_exprs): Use renamed routines, cleanup.
1260 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1261 (debug_ter): New. Debug routine to dump state.
1263 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1265 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1266 anything involving the GOT.
1267 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1268 (trapping_loads_p): Look inside the pattern of an insn to find the
1270 * config/bfin/bfin.md (attr "type"): Add movcc.
1271 (insn_reservation "alu"): Likewise.
1272 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1274 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1276 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1277 (spu_resolve_overloaded_builtin): Check for non scalar instead
1278 of vector type and check the function call argument type also for
1280 Call build_function_call instead of spu_build_overload_builtin.
1282 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1284 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1285 to the calls of hwint_to_const_double.
1287 2006-12-07 Nick Clifton <nickc@redhat.com>
1289 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1290 elf_record_gcc_switches.
1292 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1294 * expr.c (string_constant): Account for non-zero lower bound arrays.
1296 2006-12-07 Richard Guenther <rguenther@suse.de>
1298 * builtins.c (expand_builtin_pow): Adjust predicates for
1299 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1302 2006-12-07 Jan Hubicka <jh@suse.cz>
1304 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1307 2006-12-07 Jan Hubicka <jh@suse.cz>
1309 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1310 use fold_constant_to_binary; tolerate wrong type constants.
1311 (value_intersect_p): Do just two tests.
1313 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1315 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1316 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1317 lshifthi3): Use it, and fix the order of alternatives.
1319 2006-12-07 Nick Clifton <nickc@redhat.com>
1321 * common.opt (record-gcc-switches): New command line switch.
1322 * target.h (print_switch_type): New enum.
1323 (print_switch_fn_type): New typedef for a function pointer.
1324 (struct gcc_target): Add record_gcc_switches and
1325 record_gcc_switches_section fields.
1326 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1328 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1330 * toplev.c (print_single_switch): Simplify by providing a
1331 pointer to function that will format and output the switch
1333 (print_switch_values): Likewise.
1334 (print_to_asm_out_file): New function.
1335 (print_to_stderr): New function.
1336 (init_asm_output): If flag_record_gcc_switches is set then if
1337 the target supports recording the switches then emit them into
1338 the assembler output file, otherwise tell the user that the
1339 switch is not supported.
1340 * varasm.c (eld_record_gcc_switches): New function. Example
1341 handler for the record_gcc_switches target hook.
1342 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1344 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1345 * doc/invoke.texi (-frecord-gcc-switches): Document.
1347 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1350 * sched-rgn.c (add_block1): Use correct initializer.
1352 2006-12-07 Richard Guenther <rguenther@suse.de>
1354 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1355 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1357 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1360 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1361 not GIMPLE_MODIFY_STMT.
1363 2006-12-06 Jan Hubicka <jh@suse.cz>
1365 * tree-vrp.c (operand_less_p): New.
1366 (compare_values, value_inside_range): Rewrite in terms of
1369 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1371 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1373 (length_immediate): Do not depend on cld type attribute.
1374 (length_address): Ditto.
1377 (cld): Remove insn pattern.
1378 (strmov_singleop): Do not use DIRFLAG_REG.
1379 (*strmovdi_rex_1): Ditto.
1380 (*strmovsi_1): Ditto.
1381 (*strmovsi_rex_1): Ditto.
1382 (*strmovhi_1): Ditto.
1383 (*strmovhi_rex_1): Ditto.
1384 (*strmovqi_1): Ditto.
1385 (*strmovqi_rex_1): Ditto.
1387 (*rep_movdi_rex64): Ditto.
1388 (*rep_movsi): Ditto.
1389 (*rep_movsi_rex64): Ditto.
1390 (*rep_movqi): Ditto.
1391 (*rep_movqi_rex64): Ditto.
1392 (strset_singleop): Ditto.
1393 (*strsetdi_rex_1): Ditto.
1394 (*strsetsi_1): Ditto.
1395 (*strsetsi_rex_1): Ditto.
1396 (*strsethi_1): Ditto.
1397 (*strsethi_rex_1): Ditto.
1398 (*strsetqi_1): Ditto.
1399 (*strsetqi_rex_1): Ditto.
1401 (*rep_stosdi_rex64): Ditto.
1402 (*rep_stossi): Ditto.
1403 (*rep_stossi_rex64): Ditto.
1404 (*rep_stosqi): Ditto.
1405 (*rep_stosqi_rex64): Ditto.
1406 (cmpstrnsi): Do not generate cld insn.
1407 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1408 (*cmpstrnqi_nz_1): Ditto.
1409 (*cmpstrnqi_nz_rex_1): Ditto.
1410 (cmpstrnqi_1): Ditto.
1411 (*cmpstrnqi_1): Ditto.
1412 (*cmpstrnqi_rex_1): Ditto.
1413 (strlenqi_1): Ditto.
1414 (*strlenqi_1): Ditto.
1415 (*strlenqi_rex_1): Ditto.
1417 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1418 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1419 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1421 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1422 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1424 (k6_alux_only_load): Ditto.
1425 (k6_alux_only_store): Ditto.
1427 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1428 Do not emit cld instruction.
1429 (ix86_expand_setmem): Ditto.
1430 (ix86_expand_strlen): Do not emit cld instruction.
1432 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1434 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1437 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1439 * gdbinit.in: Set complaints to 0.
1441 2006-12-06 Jan Hubicka <jh@suse.cz>
1443 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1444 ALONE_MEM_STAT_DECL): New macros.
1445 * bitmap.h: Include statistics.h
1446 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1447 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1448 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1449 * bitmap.c: Include hashtab.h
1450 (bitmap_descriptor): New.
1451 (bitmap_hash): New static variable
1452 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1453 New static functions.
1454 (bitmap_register): New.
1455 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1456 bitmap_obstack_release): Do accounting.
1457 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1459 (bitmap_gc_alloc_stat): Likewise.
1460 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1461 (print_statistics, dump_bitmap_statistics): New functions.
1462 * toplev.c (finalize): Dump bitmap statistics.
1464 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1466 * reload1.c (delete_output_reload): Count occurrences in
1467 CALL_INSN_FUNCTION_USAGE.
1468 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1469 crashing at the end of the list.
1471 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1473 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1474 Optimize to avoid marking more SMT's as used when they aren't.
1476 2006-12-05 Eric Christopher <echristo@apple.com>
1478 * config/i386/i386.c (x86_output_aligned_bss): Move out
1479 of COMMON_ASM_OP ifdef.
1481 2006-12-05 Eric Christopher <echristo@apple.com>
1483 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1484 (STARTFILE_SPEC): Use.
1485 (DARWIN_DYLIB1_SPEC): New.
1486 (DARWIN_CRT1_SPEC): New.
1487 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1489 * config/i386/darwin.h: Ditto.
1490 * config/rs6000/darwin.h: Ditto.
1492 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1494 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1495 * tree-complex.c (pass_lower_complex): Ditto.
1496 * tree-ssa-ccp.c (pass_ccp): Ditto.
1497 (pass_store_ccp): Ditto.
1498 * tree-ssa-dom.c (pass_dominator): Ditto.
1499 (pass_phi_only_cprop): Ditto.
1500 * tree-sra.c (pass_sra): Ditto.
1501 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1502 * tree-flow.h (updating_used_alone): Remove.
1503 (updating_used_alone): Ditto.
1504 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1505 (lhs_may_store_to): Remove function.
1506 (recalculate_used_alone): Ditto.
1507 (compute_may_aliases): Remove used_alone calculation.
1508 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1509 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1510 * tree-pass.h (PROP_smt_usage): Remove.
1511 * passes.c (execute_todo): Remove used alone recalculation.
1512 (execute_one_pass): Ditto.
1513 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1516 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1518 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1520 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1522 PR tree-optimization/14784
1523 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1525 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1527 Merge from gimple-tuples-branch.
1529 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1531 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1533 (s390_gimplify_va_arg): Same.
1534 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1535 * config/sh/sh.c (sh_va_start): Same.
1536 (sh_gimplify_va_arg_expr): Same.
1537 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1538 (xtensa_gimplify_va_arg_expr): Same.
1539 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1540 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1541 * config/mips/mips.c (mips_va_start): Same.
1542 (mips_gimplify_va_arg_expr): Same.
1544 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1546 * Merge from mainline at revision 119445.
1548 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1550 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1552 (spu_gimplify_va_arg_expr): Same.
1554 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1556 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1557 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1558 (xstormy16_expand_builtin_va_arg): Same.
1560 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1562 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1563 to GIMPLE_MODIFY_STMT.
1565 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1567 * config/alpha/alpha.c (va_list_skip_additions): Change all
1568 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1569 (alpha_va_start): Same.
1570 (alpha_gimplify_va_arg_1): Same.
1571 (alpha_gimplify_va_arg): Same.
1573 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1575 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1577 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1579 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1580 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1582 * tree-complex.c: Same.
1583 * tree-pretty-print.c: Same.
1587 * fold-const.c: Same.
1588 * tree-ssa-dom.c: Same.
1589 * tree-ssa-propagate.c: Same.
1590 * tree-ssa-alias.c: Same.
1591 * gimple-low.c: Same.
1592 * dwarf2out.c: Same.
1593 * c-pretty-print.c: Same.
1595 * tree-inline.c: Same.
1596 * tree-outof-ssa.c: Same.
1597 * tree-ssa-structalias.c: Same.
1598 * tree-ssa-reassoc.c: Same.
1601 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1603 * tree.c (build2_stat): Fix comment.
1605 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1607 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1608 TREE_OPERAND when appropriate.
1610 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1612 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1613 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1614 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1615 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1616 not handle GIMPLE_MODIFY_STMT in the switch statement.
1617 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1618 (java_gimplify_new_array_init): Same.
1620 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1622 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1623 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1624 * fold-const.c (fold_binary): Allow gimple statements.
1626 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1627 Rename from gfc_conv_descriptor_data_set.
1628 Call gfc_add_modify instead of gfc_add_modify_expr.
1629 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1630 Rename from gfc_conv_descriptor_data_set.
1631 (gfc_conv_descriptor_data_set): New macro.
1632 (gfc_conv_descriptor_data_set_tuples): New macros.
1633 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1634 gfc_conv_descriptor_data_set_tuples.
1635 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1636 Generate GIMPLE_MODIFY_STMT when appropriate.
1637 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1638 (gfc_add_modify_expr): New macro.
1639 (gfc_add_modify_stmt): New macro.
1640 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1642 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1644 * Merge from mainline at revision 118200.
1646 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1648 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1651 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1653 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1655 Also, add __extension__ to GCC versions.
1656 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1657 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1660 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1662 * tree-complex.c (expand_complex_libcall): Adjust for
1664 (expand_complex_comparison): Same.
1665 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1666 GIMPLE_STMT_P statements.
1667 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1669 (tree_mod_pow2_value_transform): Same.
1670 (tree_mod_subtract_transform): Same.
1671 * tree.c (build2_stat): Check for gimplified function in cfun.
1672 * tree.h (DECL_GIMPLIFIED): Delete.
1673 (struct tree_function_decl): Remove gimplified_flag.
1674 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1675 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1676 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1677 (cxx_omp_clause_copy_ctor): Same.
1678 (cxx_omp_clause_assign_op): Same.
1679 * c-pretty-print.c (pp_c_conditional_expression): Same.
1680 (pp_c_expression): Same.
1681 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1682 * function.h (struct function): Add gimplified field.
1683 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1685 (find_phi_replacement_condition): Same.
1686 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1687 (gimplify_modify_expr_to_memset): Same.
1688 (gimplify_init_ctor_eval_range): Same.
1689 (gimplify_modify_expr_complex_part): Same.
1690 (tree_to_gimple_tuple): Same.
1691 (gimplify_modify_expr): Same.
1692 (gimple_push_cleanup): Same.
1693 (gimplify_omp_for): Same.
1694 (gimplify_omp_atomic_pipeline): Same.
1695 (gimplify_omp_atomic_mutex): Same.
1696 (gimplify_expr): Same.
1697 (gimplify_one_sizepos): Same.
1698 (gimplify_function_tree): Same.
1699 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1700 (vect_recog_widen_sum_pattern): Same.
1701 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1702 (vect_create_epilog_for_reduction): Same.
1703 (vectorizable_reduction): Same.
1705 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1707 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1708 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1709 (ifc_temp_var): Same.
1710 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1711 for gimple statements.
1712 (vect_analyze_operations): Same.
1713 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1714 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1715 * lambda-code.c (can_put_in_inner_loop): Same.
1716 (can_put_after_inner_loop): Same.
1717 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1718 (vect_create_data_ref_ptr): Same.
1719 (vect_init_vector): Same.
1720 (vect_get_vec_def_for_operand): Same.
1721 (vect_create_epilog_for_reduction): Same.
1722 (vectorizable_reduction): Same.
1723 (vectorizable_assignment): Same.
1724 (vectorizable_operation): Same.
1725 (vectorizable_load): Same.
1726 (vectorizable_condition): Same.
1727 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1728 (rs6000_gimplify_va_arg): Same.
1730 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1732 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1733 GIMPLE_STMT_OPERAND.
1734 (simplify_abs_using_ranges): Same.
1735 * tree-complex.c (expand_complex_operations_1): Use
1736 PROTECTED_TREE_OPERAND.
1737 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1739 (get_val_for): Use GIMPLE_STMT_OPERAND.
1740 * tree-tailcall.c (adjust_accumulator_values): Same.
1741 (adjust_return_value): Same.
1742 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1743 case. Remove special case for tcc_gimple_stmt.
1744 * tree.h (CAN_HAVE_LOCATION_P): New.
1745 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1747 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1748 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1749 * tree-nrv.c (execute_return_slot_opt): Same.
1750 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1751 * tree-vn.c (set_value_handle): Same.
1752 (get_value_handle): Same.
1753 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1754 * tree-vectorizer.c (find_loop_location): Same.
1755 * c-typeck.c (c_process_expr_stmt): Same.
1756 (c_finish_stmt_expr): Same.
1757 * gimplify.c (should_carry_locus_p): Same.
1758 (tree_to_gimple_tuple): Delete definition and use of unecessary
1759 variable save_tree_block.
1760 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1761 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1762 (realify_fake_stores): Same.
1763 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1765 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1766 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1767 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1768 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1769 (c_parser_statement_after_labels): Same.
1770 (c_parser_paren_condition): Same.
1771 (c_parser_for_statement): Same.
1772 (c_parser_omp_for_loop): Same.
1773 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1774 (linearize_expr_tree): Same.
1775 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1776 * function.c (instantiate_expr): Same.
1778 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1780 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1781 (set_expr_location): Same.
1783 (set_expr_locus): Same.
1784 (expr_filename): Same.
1785 (expr_lineno): Same.
1786 (tree_block): Use GIMPLE_STMT_BLOCK.
1787 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1788 * tree.h (struct gimple_stmt): Remove prev and next.
1789 (GIMPLE_STMT_OPERAND_CHECK): New.
1790 (TREE_TO_GIMPLE_STMT): Delete.
1791 (GIMPLE_STMT_TO_TREE): Delete.
1792 (GIMPLE_STMT_OPERAND): Use union, not cast.
1793 (GIMPLE_STMT_LOCUS): New.
1794 (GIMPLE_STMT_BLOCK): New.
1795 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1797 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1799 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1801 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1803 * tree-tailcall.c (adjust_return_value): Same.
1804 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1805 (copy_node_stat): Change common.base to base.
1806 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1807 Remove GIMPLE_STATEMENT_LIST case.
1808 * tree.h (struct gimple_stmt): Make operands of type tree.
1809 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1810 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1811 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1812 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1813 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1814 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1815 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1816 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1817 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1818 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1819 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1820 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1821 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1822 Change common.base to base.
1823 (GIMPLE_STATEMENT_LIST*): Remove.
1824 (union tree_node): Add base. Remove gimple_statement_list.
1825 Remove pointer from gstmt.
1826 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1827 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1828 * tree-vn.c (vn_compute): Change common.base to base.
1829 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1830 * tree-flow-inline.h (var_ann): Same.
1831 (function_ann): Same.
1833 (mark_non_addressable): Same.
1834 * gimplify.c (tree_to_gimple_tuple): Same.
1835 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1836 * tree-dfa.c (create_var_ann): Change common.base to base.
1837 (create_function_ann): Same.
1838 (create_stmt_ann): Same.
1839 (create_tree_ann): Same.
1840 (collect_dfa_stats_r): Same.
1841 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1842 * tree-ssa-dce.c (NECESSARY): Same.
1843 * tree-ssa.c (delete_tree_ssa): Same.
1844 * tree-optimize.c (execute_free_cfg_annotations): Same.
1845 * tree-flow.h: Same.
1847 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1849 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1850 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1852 * tree.h (struct gimple_stmt): Add prev and next fields.
1853 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1854 (GIMPLE_STATEMENT_LIST_HEAD): New.
1855 (GIMPLE_STATEMENT_LIST_TAIL): New.
1856 (struct gimple_statement_list): New.
1857 (union tree_node): Add gimple_stmt_list and gstmt.
1858 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1859 * tree.def: Add GIMPLE_STATEMENT_LIST.
1861 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1863 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1864 * tree-vrp.c (build_assert_expr_for): Change uses of
1865 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1866 (find_assert_locations): Same.
1867 (remove_range_assertions): Same.
1868 (stmt_interesting_for_vrp): Same.
1869 (vrp_visit_assignment): Same.
1870 (vrp_visit_stmt): Same.
1871 (simplify_cond_using_ranges): Same.
1872 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1874 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1875 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1877 (determine_invariantness_stmt): Same.
1878 (schedule_sm): Same.
1879 (gather_mem_refs_stmt): Same.
1880 * tree-complex.c (init_dont_simulate_again): Same.
1881 (complex_visit_stmt): Same.
1882 (set_component_ssa_name): Same.
1883 (expand_complex_move): Same.
1884 (expand_complex_div_wide): Same.
1885 (expand_complex_comparison): Same.
1886 (expand_complex_operations_1): Same.
1887 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1888 (chain_of_csts_start): Same.
1889 (infer_loop_bounds_from_undefined): Same.
1890 * tree-pretty-print.c (dump_generic_node): Same.
1892 (op_symbol_1): Same.
1893 * tree-ssa-loop-manip.c (create_iv): Same.
1894 * value-prof.c (tree_divmod_fixed_value): Same.
1895 (tree_divmod_fixed_value_transform): Same.
1896 (tree_mod_pow2): Same.
1897 (tree_mod_pow2_value_transform): Same.
1898 (tree_mod_subtract): Same.
1899 (tree_mod_subtract_transform): Same.
1900 (tree_divmod_values_to_profile): Same.
1901 * tree-tailcall.c (process_assignment): Same.
1902 (find_tail_calls): Same.
1903 (adjust_accumulator_values): Same.
1904 (adjust_return_value): Same.
1905 (eliminate_tail_call): Same.
1906 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1907 (make_node_stat): Same.
1908 (copy_node_stat): Handle gimple tuples.
1909 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1910 (tree_node_structure): Handle tcc_gimple_stmt.
1911 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1913 (build2_gimple_stat): New.
1914 (expr_location): New.
1915 (set_expr_location): New.
1916 (expr_has_location): New.
1918 (set_expr_locus): New.
1919 (expr_filename): New.
1921 (walk_tree): Handle tcc_gimple_stmt.
1923 (protected_tree_operand): New.
1924 (protected_tree_type): New.
1925 (tree_code_kind): Add gimple statements.
1926 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1927 (IS_GIMPLE_STMT_CODE_CLASS): New.
1928 (struct tree_base): New.
1929 (struct tree_common): Shrink.
1930 (struct gimple_stmt): New.
1931 (struct gimple_expr): New.
1932 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1933 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1934 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1935 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1936 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1937 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1938 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1939 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1940 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1941 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1942 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1943 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1944 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1945 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1946 Adjust for new `common' layout.
1947 (struct tree_function_decl): Add gimplified_flag.
1948 (DECL_GIMPLIFIED): NEW.
1949 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1950 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1951 EXPR_HAS_LOCATION): Call corresponding function.
1952 (GIMPLE_STMT_CHECK): New.
1953 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1954 (TREE_BLOCK): Call tree_block.
1955 (GIMPLE_STMT_P): New.
1956 (GIMPLE_TUPLE_P): New.
1957 (TREE_TO_GIMPLE_STMT): New.
1958 (GIMPLE_STMT_TO_TREE): New.
1959 (GIMPLE_STMT_OPERAND): New.
1960 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1961 (PROTECTED_TREE_OPERAND): New.
1962 (PROTECTED_TREE_TYPE): New.
1963 (build2_gimple_stat): Protoize.
1964 (build2_gimple): New.
1965 (expr_location): Protoize.
1966 (set_expr_location): Protoize.
1967 (expr_has_location): Protoize.
1968 (expr_locus): Protoize.
1969 (set_expr_locus): Protoize.
1970 (expr_filename): Protoize.
1971 (expr_lineno): Protoize.
1972 (tree_block): Protoize.
1973 (protected_tree_operand): Protoize.
1974 (protected_tree_type): Protoize.
1975 (enum tree_node_kind): Add gimple_stmt_kind.
1976 * c-decl.c (union lang_tree_node): Tuples do not have a
1978 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1979 GIMPLE_MODIFY_STMT and adjust accordingly.
1980 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1981 (interpret_condition_phi): Same.
1982 (pointer_used_p): Same.
1983 (analyze_scalar_evolution_1): Same.
1984 (scev_const_prop): Same.
1985 (interpret_rhs_modify_stmt): Rename from
1986 interpret_rhs_modify_expr.
1987 * builtins.c (std_expand_builtin_va_start): Change uses of
1988 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1989 (std_gimplify_va_arg_expr): Same.
1990 (expand_builtin_va_copy): Same.
1991 (integer_valued_real_p): Same.
1992 * fold-const.c (maybe_lvalue_p): Same.
1994 (tree_expr_nonnegative_p): Same.
1995 (tree_expr_nonzero_p): Same.
1996 * omp-low.c (extract_omp_for_data): Same.
1997 (lower_rec_input_clauses): Same.
1998 (lower_reduction_clauses): Same.
1999 (lower_copyprivate_clauses): Same.
2000 (lower_send_clauses): Same.
2001 (lower_send_shared_vars): Same.
2002 (expand_parallel_call): Same.
2003 (expand_omp_parallel): Same.
2004 (expand_omp_for_generic): Same.
2005 (expand_omp_for_static_nochunk): Same.
2006 (expand_omp_for_static_chunk): Same.
2007 (expand_omp_sections): Same.
2008 (lower_omp_single_copy): Same.
2009 (lower_omp_parallel): Same.
2010 * tree-ssa-dse.c (memory_address_same): Same.
2011 (dse_optimize_stmt): Same.
2012 * ipa-reference.c (scan_for_static_refs): Same.
2013 * tree-gimple.c (is_gimple_reg_rhs): Same.
2014 (get_call_expr_in): Same.
2015 (recalculate_side_effects): Same.
2016 * cgraphunit.c (cgraph_create_edges): Same.
2017 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2018 * tree-ssa-ccp.c (get_default_value): Same.
2019 (likely_value): Same.
2020 (visit_assignment): Same.
2021 (ccp_visit_stmt): Same.
2022 (get_maxval_strlen): Same.
2023 (ccp_fold_builtin): Same.
2024 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2025 (find_givs_in_stmt): Same.
2026 (find_interesting_uses_op): Same.
2027 (find_interesting_uses_stmt): Same.
2028 (rewrite_use_nonlinear_expr): Same.
2029 * ipa-pure-const.c (scan_function): Same.
2030 * tree-stdarg.c (va_list_counter_bump): Same.
2031 (check_all_va_list_escapes): Same.
2032 (execute_optimize_stdarg): Same.
2033 * tree-ssa-math-opts.c (compute_merit): Same.
2034 (insert_reciprocals): Same.
2035 (execute_cse_reciprocals): Same.
2036 * tree-ssa-dom.c (initialize_hash_element): Same.
2037 (simple_iv_increment_p): Same.
2038 (record_equivalences_from_stmt): Same.
2039 (optimize_stmt): Same.
2040 (remove_stmt_or_phi): Same.
2041 (get_rhs_or_phi_arg): Same.
2042 (get_lhs_or_phi_result): Same.
2043 (propagate_rhs_into_lhs): Same.
2044 * tree-nrv.c (tree_nrv): Same.
2045 (execute_return_slot_opt): Same.
2046 * tree-ssa-propagate.c (get_rhs): Same.
2048 (stmt_makes_single_load): Same.
2049 (stmt_makes_single_store): Same.
2050 (replace_vuses_in): Same.
2051 (fold_predicate_in): Same.
2052 (substitute_and_fold): Same.
2053 * tree-ssa-alias.c (compute_call_clobbered): Same.
2054 (recalculate_used_alone): Same.
2055 (count_uses_and_derefs): Same.
2056 (is_escape_site): Same.
2057 (find_used_portions): Same.
2058 * gimple-low.c (lower_stmt): Same.
2059 (block_may_fallthru): Same.
2060 (lower_return_expr): Same.
2061 * tree-ssa-sink.c (is_hidden_global_store): Same.
2062 (statement_sink_location): Same.
2063 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2064 * expr.c (safe_from_p): Same.
2065 (expand_expr_real): Same.
2066 (expand_expr_real_1): Same.
2067 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2068 * predict.c (expr_expected_value): Same.
2069 (strip_builtin_expect): Same.
2070 (apply_return_prediction): Same.
2071 (tree_bb_level_predictions): Same.
2072 (tree_estimate_probability): Same.
2073 * tree-vn.c (vn_compute): Same.
2074 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2075 (remove_stmt_from_eh_region_fn): Same.
2076 (do_return_redirection): Same.
2077 (honor_protect_cleanup_actions): Same.
2078 (lower_try_finally_switch): Same.
2079 (lower_eh_constructs_1): Same.
2080 (tree_could_throw_p): Same.
2081 (verify_eh_throw_stmt_node): Same.
2082 * function.c (gimplify_parameters): Same.
2083 * tree-vectorizer.c (vect_is_simple_use): Same.
2084 (vect_is_simple_reduction): Same.
2085 * ipa-type-escape.c (scan_for_refs): Same.
2086 * tree-if-conv.c (tree_if_conversion): Same.
2087 (tree_if_convert_stmt): Same.
2088 (if_convertible_gimplify_modify_stmt_p): Rename from
2089 if_convertible_modify_expr_p.
2090 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2091 (ifc_temp_var): Same.
2092 (replace_phi_with_cond_modify_stmt): Rename from
2093 replace_phi_with_cond_modify_expr.
2094 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2095 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2096 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2098 * tree-flow-inline.h (var_ann): Same.
2099 (function_ann): Same.
2101 (mark_non_addressable): Same.
2102 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2103 * gimplify.c (tree_to_gimple_tuple): New.
2104 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2105 (gimplify_return_expr): Same.
2106 (gimplify_decl_expr): Same.
2107 (gimplify_self_mod_expr): Same.
2108 (gimplify_cond_expr): Same.
2109 (gimplify_init_constructor): Same.
2110 (gimplify_modify_expr): Same.
2111 (gimplify_expr): Same.
2112 (gimplify_function_tree): Same.
2113 (force_gimple_operand): Same.
2114 * tree-ssa-phiopt.c (conditional_replacement): Same.
2115 (minmax_replacement): Same.
2116 (abs_replacement): Same.
2117 * tree-dfa.c (create_var_ann): Same.
2118 (create_function_ann): Same.
2119 (create_stmt_ann): Same.
2120 (create_tree_ann): Same.
2121 (collect_dfa_stats_r): Same.
2122 * tree-ssa-pre.c (find_or_generate_expression): Same.
2123 (create_expression_by_pieces): Same.
2124 (try_look_through_load): Same.
2125 (insert_fake_stores): Same.
2126 (realify_fake_stores): Same.
2127 (compute_avail): Same.
2130 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2131 Adjust for GIMPLE_MODIFY_STMT.
2132 (NECESSARY): Adjust for new `common' layout.
2133 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2135 * tree-sra.c (sra_walk_modify_stmt): Rename from
2136 sra_walk_modify_expr.
2137 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2138 (generate_copy_inout): Same.
2139 (generate_element_copy): Same.
2140 (generate_element_zero): Same.
2141 (scalarize_copy): Same.
2142 * tree-mudflap.c (mf_decl_cache_locals): Same.
2143 (mf_build_check_statement_for): Same.
2144 (mf_xform_derefs): Same.
2145 * ipa-prop.c (ipa_method_modify_stmt): Same.
2146 * print-tree.c (print_node): Handle gimple tuples.
2147 Add case for tcc_gimple_stmt.
2148 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2150 (copy_prop_visit_assignment): Same.
2151 (copy_prop_visit_stmt): Same.
2152 (init_copy_prop): Same.
2153 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2154 (forward_propagate_into_cond_1): Same.
2155 (find_equivalent_equality_comparison): Same.
2156 (tidy_after_forward_propagate_addr): Same.
2157 (forward_propagate_addr_expr_1): Same.
2158 (simplify_not_neg_expr): Same.
2159 (simplify_switch_expr): Same.
2160 * tree-ssa-dce.c (find_pdom): Same.
2161 (mark_stmt_if_obviously_necessary): Same.
2162 (NECESSARY): Adjust for new `common' layout.
2163 * tree-flow.h: Same.
2164 * tree-vect-patterns.c (widened_name_p): Adjust for
2166 (vect_recog_dot_prod_pattern): Same.
2167 (vect_recog_widen_sum_pattern): Same.
2168 (vect_pattern_recog_1): Same.
2169 * tree-nested.c (init_tmp_var): Same.
2170 (save_tmp_var): Same.
2172 (convert_call_expr): Same.
2173 (finalize_nesting_tree_1): Same.
2174 * tree-ssa.c (verify_ssa): Same.
2175 (delete_tree_ssa): Same.
2176 * lambda-code.c (lbv_to_gcc_expression): Same.
2177 (lle_to_gcc_expression): Same.
2178 (lambda_loopnest_to_gcc_loopnest): Same.
2179 (can_put_in_inner_loop): Same.
2180 (can_convert_to_perfect_nest): Same.
2181 (perfect_nestify): Same.
2182 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2183 * tree-inline.c (copy_body_r): Same.
2184 (setup_one_parameter): Same.
2185 (initialize_inlined_parameters): Same.
2186 (estimate_num_insns_1): Same.
2187 (expand_call_inline): Same.
2188 (gimple_expand_calls_inline): Same.
2189 (copy_tree_r): Same.
2190 * tree-optimize.c (execute_free_cfg_annotations): Same.
2191 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2192 (vect_align_data_ref): Same.
2193 (vect_create_data_ref_ptr): Same.
2194 (vect_init_vector): Same.
2195 (vect_create_epilog_for_reduction): Same.
2196 (vectorizable_reduction): Same.
2197 (vectorizable_assignment): Same.
2198 (vectorizable_operation): Same.
2199 (vectorizable_store): Same.
2200 (vectorizable_load): Same.
2201 (vectorizable_live_operation): Same.
2202 (vectorizable_condition): Same.
2203 (vect_generate_tmps_on_preheader): Same.
2204 (vect_create_cond_for_align_checks): Same.
2205 * tree-object-size.c (collect_object_sizes_for): Same.
2206 (check_for_plus_in_loops_1): Same.
2207 (check_for_plus_in_loops): Same.
2208 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2209 (replace_use_variable): Same.
2210 (check_replaceable): Same.
2211 (rewrite_trees): Same.
2212 (identical_copies_p): Same.
2213 (insert_backedge_copies): Same.
2214 * tree-profile.c (tree_gen_edge_profiler): Same.
2215 * tree-vect-generic.c (expand_vector_operations_1): Same.
2216 * tree-ssa-structalias.c (update_alias_info): Same.
2217 (find_func_aliases): Same.
2218 * tree-cfg.c (factor_computed_gotos): Same.
2220 (make_goto_expr_edges): Same.
2221 (tree_merge_blocks): Same.
2222 (remove_useless_stmts_cond): Same.
2223 (remove_useless_stmts_1): Same.
2224 (tree_find_edge_insert_loc): Same.
2225 (verify_expr): Same.
2226 (gimplify_val): Same.
2227 (verify_gimple_tuples_1): New.
2228 (verify_gimple_tuples): New.
2229 (verify_stmts): Call verify_gimple_tuples.
2230 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2231 (get_unary_op): Same.
2232 (linearize_expr): Same.
2233 (get_single_immediate_use): Same.
2234 (negate_value): Same.
2235 (should_break_up_subtract): Same.
2236 (break_up_subtract): Same.
2237 (repropagate_negates): Same.
2238 (break_up_subtract_bb): Same.
2239 (reassociate_bb): Same.
2240 * config/i386/i386.c (ix86_va_start): Same.
2241 (ix86_gimplify_va_arg): Same.
2242 * stmt.c (expand_expr_stmt): Same.
2243 (warn_if_unused_value): Same.
2244 (expand_return): Same.
2245 * tree-ssanames.c (make_ssa_name): Same.
2246 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2247 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2248 (add_virtual_operand): Same.
2249 (get_expr_operands): Same.
2250 (parse_ssa_operands): Same.
2251 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2253 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2255 * config.host: Remove extra blank line.
2257 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2259 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2260 target is also an x86 variant.
2262 2006-12-05 Richard Guenther <rguenther@suse.de>
2264 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2265 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2266 (ix86_builtin_vectorized_function): New function to vectorize
2269 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2271 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2272 ia64_override_options.
2274 2006-12-04 Jan Hubicka <jh@suse.cz>
2276 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2279 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2281 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2282 * config/bfin/bfin.c: Include "timevar.h".
2283 (bfin_flag_schedule_insns2, splitting_for_sched,
2284 bfin_flag_var_tracking): New variables.
2285 (print_operand): Handle '%!'.
2286 (override_options): Disable normal sched2 pass, instead set
2287 bfin_flag_schedule_insns2 for reorg to handle it.
2288 (output_file_start): Likewise for var-tracking.
2289 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2290 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2292 (bfin_reorg): Do second scheduling pass here, and call
2293 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2294 of examining insns directly. If bfin_flag_var_tracking, call
2295 var-tracking pass when done with everything else.
2296 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2297 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2298 (movsi_insn32): New pattern, with two new splits to create it
2299 before the final scheduling pass.
2300 (neghi2): Not a dsp32 insn, rather alu0.
2301 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2302 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2303 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2304 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2305 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2306 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2307 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2308 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2309 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2310 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2311 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2312 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2313 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2314 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2315 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2316 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2317 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2318 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2319 variants instead of ';'.
2320 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2321 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2322 (align8, align16, align24): Now named patterns; also using '%!'.
2325 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2327 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2328 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2330 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2332 * config/spu/spu-protos.c (spu_split_address): Add.
2333 * config/spu/spu.c (spu_split_address): Add.
2334 (print_operand): Handle HIGH.
2335 (spu_legitimate_address): Don't test for aligned CONST.
2336 (spu_expand_mov): Don't split addresses here.
2337 * config/spu/constraints.md (A): Don't test legitimate_const.
2338 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2339 (ceq_di): Use correct predicates.
2341 2006-12-04 Eric Christopher <echristo@apple.com>
2343 * config/darwin.h: Update copyright notice.
2344 * config/i386/darwin.h: Ditto.
2346 2006-12-04 Jan Hubicka <jh@suse.cz>
2348 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2349 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2351 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2353 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2355 * tree-ssa-structalias.c (set_used_smts): Export.
2356 (find_what_p_points_to): Don't call set_used_smts here.
2357 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2359 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2361 * tree-ssa-alias.c (compute_may_aliases):
2362 Compute flow sensitive before flow insensitive.
2363 (compute_flow_sensitive_aliasing): Don't try to add
2364 a symbol memory tag to itself.
2366 * alias.h (alias_set_subset_of): New prototype.
2368 * alias.c (alias_set_subset_of): New function.
2370 * tree-ssa-structalias.c: Update comments.
2371 (struct variable_info): Add finished_solution.
2372 (new_varinfo): Set finished solution to NULL.
2373 (var_escaped_vars): Remove.
2374 (escaped_vars_tree): Remove.
2375 (escaped_vars_id): Remove.
2376 (nonlocal_vars_id): Remove.
2377 (constraint_expr_type): Add INCLUDES.
2378 (graph_size): Removed.
2379 (dump_constraint): Support INCLUDES.
2380 (build_constraint_graph): Ditto.
2381 (collapse_nodes): Add merge_solutions argument.
2382 Don't merge attributes.
2383 (process_unification_queue): Just use collapse_nodes.
2384 (perform_var_substitution): Update call to collapse_nodes.
2385 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2386 (process_constraint): Fix non-field sensitive handling
2388 (get_constraint_for): Use INCLUDES.
2389 (make_constraint_from_anything): Renamed from
2390 make_constraint_from_escaped.
2391 (make_constraint_to_escaped): Removed.
2392 (find_global_initializers): Removed.
2393 (create_variable_info_for): Do not make constraints to escaped
2395 (dump_solution_for_var): Don't print out the equivalent points-to
2396 sets, just use the name of the variable it shares it with.
2397 (intra_create_variable_infos): Use INCLUDES.
2398 Change nonlocal variable sets to anything sets.
2399 (init_base_vars): Remove escaped_vars and nonlocal_var
2401 (find_escape_constraints): Removed.
2402 (delete_points_to_sets): Remove dead code.
2403 (used_smt_calculated): New variable.
2404 (set_used_smts): New function.
2405 (merge_smts_into): New function.
2406 (find_what_p_points_to): Modify to use SMTs.
2407 (create_nonlocal_var): Remove.
2409 * tree-ssa-operands.c (access_can_touch_variable): Remove
2410 reference to nonlocal_all.
2412 * tree-ssa.c (verify_name_tags): Remove.
2414 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2416 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2417 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2419 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2421 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2422 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2423 (add_livein_if_notdef): Delete.
2424 (loe_visit_block): New. Propogate live on entry info for a block into
2425 each predecessor. If it changes, make sure it is visited again.
2426 (live_worklist): Visit every block and update the live on entry info
2427 for preds. Iterate over any that changed.
2428 (set_var_live_on_entry): Populate the live on entry blocks with bits
2429 based on the immediate uses of a var.
2430 (calculate_live_on_entry): Remove.
2431 (calculate_live_on_exit): Calculate live on exit based on the newly
2432 oriented live on entry bits.
2433 (calculate_live_ranges): Build live on entry and exit vectors.
2434 (dump_live_info): Use new orientation of live on entry bitmaps.
2435 (verify_live_on_entry): New. Split out verification code from old
2436 calculate_live_on_entry routine.
2437 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2438 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2439 basic_block instead of for a partition.
2440 (live_merge_and_clear): Add asserts.
2441 (make_live_on_entry): Set partition bit in basic block vector.
2443 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2446 * omp-low.c (expand_omp_for_static_nochunk,
2447 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2451 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2452 parallels if region->exit or region->inner->exit is NULL.
2453 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2455 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2456 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2457 or region->exit is NULL.
2458 (expand_omp_sections): Handle NULL region->cond or region->exit.
2461 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2463 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2464 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2466 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2468 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2469 TYPE_MAX_VALUE for scalar types here but...
2470 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2471 is attached an error mark, and the return value of the callback
2472 if it is not NULL_TREE.
2474 2006-12-04 Ben Elliston <bje@au.ibm.com>
2476 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2478 2006-12-03 Eric Christopher <echristo@apple.com>
2481 * config/t-slibgcc-darwin: Pass -install_name.
2482 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2483 libtool. Only pass through options that the linker recognizes.
2484 (LINK_SPEC): Update comment. Translate options.
2485 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2486 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2488 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2490 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2492 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2495 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2496 operands[1] in insn constraint. Correct type attribute to sselog1.
2498 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2501 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2503 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2504 processor detection.
2506 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2507 -march=native if there is no -mtune=*.
2509 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2512 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2514 * doc/install.texi: Update recommended MPFR version. Remove
2515 obsolete reference to cumulative patch.
2517 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2520 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2522 2006-11-30 Jan Hubicka <jh@suse.cz>
2523 Uros Bizjak <ubizjak@gmail.com>
2525 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2526 32bit memcpy/memset decriptors.
2527 (decide_alg): With -minline-all-stringops and sizes that are best
2528 to be copied via libcall still work hard enough to pick non-libcall
2531 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2533 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2535 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2536 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2537 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2538 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2539 config/spu/spu-c.c, config/spu/spu-modes.def,
2540 config/spu/spu.c, config/spu/spu.md,
2541 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2542 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2543 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2544 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2545 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2546 spelling conventions.
2548 * config/i386/i386.c: Fix a comment typo.
2550 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2552 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2553 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2554 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2555 better optimization.
2556 (floatv4siv4sf2): New.
2557 (fix_truncv4sfv4si2): New.
2558 (floatunsv4siv4sf2): New.
2559 (fixuns_truncv4sfv4si2): New.
2567 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2568 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2569 spu_resolve_overloaded_builtin instead of static inline functions.
2571 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2573 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2574 type instead of the size of its mode to compute the highest and
2575 lowest possible values. Still check the size of the mode before
2576 flipping the signedness of the comparison.
2578 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2580 * config/spu/predicates.md (spu_mov_operand): Add.
2581 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2582 (print_operand_address, print_operand): Handle addresses containing AND.
2583 (spu_split_load, spu_split_store): Use updated movti pattern.
2584 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2585 stores in mov patterns for correct operation of reload.
2586 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2588 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2591 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2593 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2595 * common.opt (ftree-combine-temps): Remove.
2596 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2597 (coalesce_ssa_name): Don't check for combine-temps.
2598 (coalesce_vars): Remove.
2599 (check_replaceable): Use num_imm_uses.
2600 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2601 check for combine-temps.
2602 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2603 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2604 to register_ssa_partition calls.
2605 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2606 (init_var_map, delete_var_map): remove refernces to ref_count.
2607 (create_ssa_var_map): Never calculate a ref count.
2608 (type_var_init): Remove.
2609 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2610 (SSA_VAR_MAP_REF_COUNT): Delete.
2611 (create_ssa_var_map): Change Prototype to have no parameters.
2612 (version_ref_count): Delete.
2613 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2615 (type_var_num, type_var, type_var_first_partition,
2616 type_var_next_partition, type_var_dump, type_var_delete,
2617 type_var_remove_partition, type_var_find, type_var_compact,
2618 type_var_decompact): Remove.
2620 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2622 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2625 2006-12-01 Richard Guenther <rguenther@suse.de>
2628 * dwarf2out.c (struct pubname_struct): Make name const.
2629 (add_pubtype): Do not xstrdup identifiers.
2631 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2633 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2634 multiword accesses are in range.
2636 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2638 PR tree-optimization/29921
2639 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2640 (set_lattice_value): Use canonicalize_float_value.
2642 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2644 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2645 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2646 (spu_cpu_cpp_builtins): Remove.
2647 (spu_override_options): Don't set warn_main.
2648 (spu_force_reg): Move from spu-c.c.
2649 (spu_check_builtin_parm): Likewise.
2650 (expand_builtin_args): Likewise.
2651 (spu_expand_builtin_1): Likewise.
2652 (spu_expand_builtin): Likewise.
2653 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2654 warn_main and targetm.resolve_overloaded_builtin.
2655 * config/spu/spu-c.c (spu_builtin_range): Remove.
2656 (spu_check_builtin_parm): Remove.
2657 (expand_builtin_args): Remove.
2658 (spu_expand_builtin_1): Remove.
2659 (spu_expand_builtin): Remove.
2660 (spu_cpu_cpp_builtins): Moved from spu.c
2661 (spu_force_reg): Remove.
2663 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2664 David Edelsohn <edelsohn@gnu.org>
2667 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2668 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2669 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2670 HARD_REGNO_NREGS_WITH_PADDING): Define.
2671 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2672 HARD_REGNO_NREGS_WITH_PADDING): Define.
2673 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2674 Use new macros to detect modes with holes; do not look at integer
2676 (subreg_offset_representable_p): Check for and disallow cases
2677 where the modes use different numbers of bits from registers.
2678 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2679 constant for soft-float.
2680 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2682 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2683 in E500 double case.
2684 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2685 (movtf_softfloat): New.
2687 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2689 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2690 simplify_gen_subreg.
2692 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2694 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2695 (COALESCE_HASH_FN): New. Define hash function.
2696 (partition_pair_map_hash): New. Hash value for a partition pair.
2697 (partition_pair_map_eq): New. Equality for hash pairs.
2698 (create_coalesce_list): Create hash table.
2699 (delete_coalesce_list): Free hash table.
2700 (find_partition_pair): Find/create pairs in hash table.
2701 (compare_pairs): Sort pairs in ascending order now.
2702 (num_coalesce_pairs): New. Number of pairs in hash table.
2703 (struct partition_pair_iterator): Iterator struct for pair table.
2704 (first_partition_pair): Iterator function for first pair.
2705 (end_partition_pair_p): Iterator function for end of iteration.
2706 (next_partition_pair): Iterator function for next pair.
2707 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2708 (sort_coalesce_list): Sort pairs from hash table into an array.
2709 (pop_best_coalesce): Take pairs from the array.
2710 (dump_coalesce_list): Update to use hash table or sorted array.
2711 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2712 (struct coalesce_list_d): Add hash table related fields.
2714 2006-11-30 Jan Hubicka <jh@suse.cz>
2717 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2718 memmove/bcopy->memcpy conversion.
2720 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2722 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2723 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2724 Default is the largest alignment supported for 32-bit ELF and
2725 representable on a 32-bit host.
2727 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2729 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2731 2006-11-30 Jan Hubicka <jh@suse.cz>
2733 * tree-ssa-operands.h (struct ssa_operands): New.
2734 * tree-flow-inline.h (gimple_ssa_operands): New function.
2735 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2736 * Makefile.in: Remove gt-tree-ssa-operands.h
2737 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2738 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2739 operand_memory, operand_memory_index, ops_active): Remove statics.
2740 (ALLOC_OPTYPE): Update.
2741 (operand_build_sort_virtual): Update.
2742 (ssa_operands_active): Update.
2743 (init_ssa_operands): Update.
2744 (fini_ssa_operands): Update.
2745 (ssa_operand_alloc): Update.
2746 (INITIALIZE_USE): Update.
2747 (finalize_ssa_use_ops): Update.
2748 (finalize_ssa_v_may_def_ops): Update.
2749 (finalize_ssa_vuse_ops): Update.
2750 (finalize_ssa_v_must_def_ops): Update.
2752 2006-11-30 Richard Guenther <rguenther@suse.de>
2754 * tree-vectorizer.h (vectorizable_function): Export.
2755 * tree-vect-transform.c (vectorizable_function): Likewise.
2756 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2757 type_in to scalar type in recognition of squaring.
2758 Make sure the target can vectorize sqrt in recognition
2759 of sqrt, set type_in to vector type in this case.
2761 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2763 * config/i386/i386.md (R10_REG): New constant.
2764 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2765 (ix86_emit_restore_regs_using_mov): Ditto.
2766 (ix86_expand_call): Ditto.
2767 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2769 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2771 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2772 * alias.c (canon_true_dependence): Update comment.
2774 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2776 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2777 at the end of a diagnostics message.
2779 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2780 until after asserting that it was allocated in the right pool.
2782 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2783 successor edge information as well. Make output of live regs
2784 on exit consistent with live regs on entry.
2786 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2789 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2790 insn patterns for TARGET_80387.
2791 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2792 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2793 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2794 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2795 Generate truncxf<mode>2 insn patterns for strict SSE math.
2797 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2799 * config/i386/i386.md (movsf_1): Enable pattern for standard
2800 80387 constants before reload when optimizing for size.
2801 (*movdf_nointeger, *movdf_integer): Ditto.
2802 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2803 80387 constants before reload when not optimizing for size.
2805 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2806 extension of XFmode input operands.
2808 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2810 * config/spu/crt0.c (__dso_handle): Define.
2812 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2814 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2815 when clearing the used flags.
2817 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2819 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2821 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2824 * config/spu/spu.md (extend_compare<mode>): New pattern.
2825 (extend_compare): Change to expand and use the above pattern.
2827 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2829 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2831 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2832 (DFP_INIT_ROUNDMODE): Define.
2833 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2834 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2836 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2838 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2839 Update documentation.
2840 (associate_line_notes_with_blocks): Kill.
2841 (extend_bb): Remove basic block argument, put void instead.
2842 Remove line number handling for each bb.
2843 (save_line_notes): Kill.
2844 (restore_line_notes): Kill.
2845 (sched_init): Remove line_note_head initialization.
2846 Change extend_bb call.
2847 (sched_finish): Remove free of line_note_head.
2848 (add_block): Change extend_bb call.
2849 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2850 rm_line_notes and restore_line_notes calls.
2851 (schedule_ebbs): Remove rm_redundant_line_notes.
2852 * sched-int.h (struct haifa_insn_data): Remove line_note.
2853 (save_line_notes): Remove declaration.
2854 (restore_line_notes): Remove declaration.
2855 * modulo-sched.c (loop_canon_p): Update debug info printing
2856 by using insn locators instead of line note.
2857 (sms_schedule): Update debug info printing, by using insn
2858 locators instead of line note.
2859 * sched-rgn.c (debug_dependencies): Remove handling of case
2860 n>0 (line number), since it's a dead code.
2861 (schedule_region): Remove save_line_notes and
2862 restore_line_notes calls.
2864 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2866 * config/rs6000/predicates.md (gpc_reg_operand): Check
2867 invalid_e500_subreg.
2868 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2869 SImode subregs of SPE vectors.
2870 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2871 * jump.c (true_regnum): Require subregs to satisfy
2872 subreg_offset_representable_p.
2874 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2875 Steven Bosscher <stevenb.gcc@gmail.com>
2877 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2878 since it no longer exists.
2880 2006-11-29 Duncan Sands <baldrick@free.fr>
2882 PR tree-optimization/23744
2883 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2885 2006-11-29 Duncan Sands <baldrick@free.fr>
2887 PR tree-optimization/23744
2888 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2890 2006-11-29 Duncan Sands <baldrick@free.fr>
2892 PR tree-optimization/23744
2893 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2895 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2897 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2899 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2901 * sh.opt (minline-ic_invalidate): New option.
2902 (musermode): Adjust comment.
2903 * sh.c (sh_initialize_trampoline): Emit library call unless
2904 is set; if it is set, don't emit library call if we can use icbi
2906 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2907 icbi for TARGET_SH4_300.
2908 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2909 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2910 -musermode documentation.
2912 2006-11-29 Jim Tison <jtison@us.ibm.com>
2914 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2915 __gthread_recursive_mutex_init): Define.
2917 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2919 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2920 STRICT_ALIGNMENT and the type is more aligned than the saved
2921 registers, copy via a temporary.
2923 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2926 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2929 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2931 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2933 2006-11-28 Jan Hubicka <jh@suse.cz>
2935 Privatize SSA variables into gimple_df.
2936 * tree-flow-inline.h
2937 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2938 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2939 gimple_nonlocal_all): New accessors.
2940 (first_referenced_var): Update.
2941 (mark_stmt_modified): Update.
2942 (is_call_clobbered): Update.
2943 (mark_call_clobbered): Update.
2944 (clear_call_clobbered): Update.
2945 (mark_non_addressable): Update.
2946 * tree-vrp.c (get_value_range): Update.
2947 * tree-into-ssa.c (in_ssa_p): Kill.
2948 (get_default_def_for): Update.
2949 (rewrite_into_ssa): Update.
2950 * tree-complex.c (init_parameter_lattice_values): Update.
2951 (update_complex_assignment): Update.
2952 (update_parameter_components): Update.
2953 (expand_complex_libcall): Update.
2954 (expand_complex_operations_1): Update.
2955 * tree-tailcall.c (arg_needs_copy_p): Update.
2956 (add_virtual_phis): Update.
2957 (tree_optimize_tail_calls_1): Update.
2958 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2959 * tree-ssa-copyrename.c
2960 (copy_rename_partition_coalesce): Update.
2961 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2962 * tree-ssa-propagate.c (set_rhs): Update.
2963 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2964 addressable_vars, global_var):Kill.
2965 (set_initial_properties): Update.
2966 (init_alias_info): Update.
2967 (finalize_ref_all_pointers): Update.
2968 (setup_pointers_and_addressables): Update.
2969 (maybe_create_global_var): Update.
2970 (create_global_var): Update.
2971 (dump_points_to_info): Update.
2972 * function.h (struct gimple_df): Forward declare.
2973 (struct function): Add GIMPLE_DF field.
2974 * gimplify.c (force_gimple_operand): Update.
2975 * tree-dfa.c (referenced_vars, default_defs): KIll.
2976 (make_rename_temp): Update.
2977 (dump_variable): Update.
2978 (referenced_var_lookup): Update.
2979 (referenced_var_check_and_insert): Update.
2980 (default_def): Rename to ...
2981 (gimple_default_def): ... this one; accept cfun argument.
2982 (set_default_def): Update.
2983 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2984 (cleanup_control_flow): Update.
2985 * tree-ssa-pre.c (compute_avail): Update
2986 * tree-ssa-live.c (calculate_live_on_entry): Update.
2987 * tree-ssa.c (verify_use): Update.
2988 (verify_call_clobbering): Update.
2989 (verify_call_clobbering): Update.
2990 (init_tree_ssa): Update.
2991 (delete_tree_ssa): Update.
2992 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2993 (rewrite_out_of_ssa): Update.
2994 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2995 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2997 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2998 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2999 addressable_vars, aliases_computed_p): Kill.
3000 (default_def): Rename to...
3001 (gimple_default_def): ... this one.
3002 (defaule_def_fn): Kill.
3003 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3004 * tree-ssa-structalias.c (nonlocal_all): Kill.
3005 (get_constraint_exp_from_ssa_var): Update.
3006 (create_nonlocal_var): Update.
3007 (get_constraint_for): Update.
3008 (update_alias_info): Update.
3009 (find_global_initializers): Update.
3010 (intra_create_variable_infos): Update.
3011 (intra_create_variable_infos):
3012 (find_what_p_points_to): Update.
3013 (init_alias_heapvars): Update.
3014 * tree-cfg.c (remove_bb): Update.
3015 (gimplify_val): Update.
3016 * tree-ssa-reassoc.c (get_rank): Update.
3017 (init_reassoc): Update.
3018 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3019 (ssa_names, free_ssanames): Kill.
3020 (init_ssanames): Update.
3021 (make_ssa_name): Update.
3022 (release_ssa_name): Update.
3023 (release_defs): Update.
3024 (replace_ssa_name_symbol): Update.
3025 * tree-ssa-operands.c (access_can_touch_variable): Update.
3026 (add_virtual_operand): Update.
3027 (add_call_clobber_ops): Update.
3028 (add_call_read_ops): Update.
3029 (get_call_expr_operands): Update.
3030 (get_asm_expr_operands): Update.
3032 2006-11-28 Jan Hubicka <jh@suse.cz>
3034 * builtins.c: Include tree-flow.h.
3035 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3036 assignment; convert memmove to memcpy for sizes greater than 1 where
3037 alignment of operands prohibit the partial overlap.
3039 2006-11-28 Jan Hubicka <jh@suse.cz>
3041 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3042 * cgraph.c (dump_cgraph_node): Dump stack usage.
3043 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3044 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3045 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3046 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3047 (cgraph_check_inline_limits): Limit stack growth.
3048 * cfgexpand.c: Include tree-inline.h.
3049 (account_stack_vars): New function.
3050 (expand_one_var): New param to just account the stack; return estimated
3052 (expand_used_vars_for_block): Update call of expand_one_var.
3053 (account_used_vars_for_block): New function.
3054 (estimated_stack_frame_size): Likewise.
3055 (init_vars_expansion, fini_vars_expansion): Break out from..
3056 (expand_used_vars): ... here.
3057 * tree-inline.h (estimated_stack_frame_size): Declare.
3058 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3060 2006-11-28 Richard Guenther <rguenther@suse.de>
3062 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3063 unsigned long for printing OBJECT_SIZE.
3065 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3067 * alias.c (init_alias_analysis): Remove simplification loop
3068 after propagating pointers.
3070 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3072 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3075 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3077 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3079 2006-11-27 Roger Sayle <roger@eyesopen.com>
3080 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3082 * c-common.c (constant_fits_type_p): Delete.
3083 (unsigned_conversion_warning): Delete.
3084 (conversion_warning): Integrate Wconversion warning from
3085 unsigned_conversion_warning.
3086 (convert_and_check): Integrate Woverflow warning from
3087 unsigned_conversion_warning. Reorganize and simplify to avoid
3088 dependence upon the middle-end setting TREE_OVERFLOW on integral
3089 conversions, by using int_fits_type_p directly.
3091 2006-11-27 Tobias Burnus <burnus@net-b.de>
3093 * doc/invoke.texi: Fixed typo.
3095 2006-11-27 Michael Matz <matz@suse.de>
3096 Andreas Krebbel <krebbel1@de.ibm.com>
3099 * config/s390/predicates.md (larl_operand): Check addend of larl
3100 operand to be in range of -/+2GB.
3101 * config/s390/s390.c (legitimize_pic_address): Likewise.
3102 Changed type of variable even to HOST_WIDE_INT.
3104 2006-11-27 Jan Hubicka <jh@suse.cz>
3106 * expr.c (emit_block_move_via_libcall): Export.
3107 (clear_storage_via_libcall): Rename to ...
3108 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3109 (clear_storage): Update to set_storage_via_libcall.
3110 * expr.h (emit_block_move_via_libcall): Declare
3111 * config/i386/i386.h (stringop_alg): New enum.
3112 (MAX_STRINGOP_ALGS): New constant.
3113 (stringop_algs): New struct.
3114 (processor_costs): Add memcpy/memset descriptors.
3115 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3116 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3117 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3119 * config/i386/i386.opt (minline-stringops-dynamically,
3120 mstringop-strategy): New
3122 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3123 (ix86_expand-clrmem): Rename to ...
3124 (ix86_expand_setmem): ... this one; update prototype.
3125 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3126 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3127 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3128 nocona_cost, core2_cost, generic_cost, generic64_cost,
3129 generic32_cost): Add memcpy/memset descriptors.
3130 (x86_rep_movl_optimal): Remove.
3131 (stringop_alg): New static variable.
3132 (ix86_expand_aligntest): Handle predictions.
3133 (override_options): Add strgop_alg handling.
3134 (predict_jump): New function.
3135 (scale_counter): New function.
3136 (expand_set_or_movmem_via_loop): New function.
3137 (expand_movmem_via_rep_mov): New function.
3138 (expand_setmem_via_rep_stots): New function.
3139 (emit_strmov): New function.
3140 (expand_movmem_epilogue): New function.
3141 (expand_setmem_epilogue_via_loop): New function.
3142 (expand_setmem_epilogue): New function.
3143 (expand_movmem_prologue): New function.
3144 (expand_setmem_prologue): New function.
3145 (decide_alg): New function.
3146 (decide_alignment): New function.
3147 (ix86_exand_movmem): Rewrite.
3148 (promote_duplicated_reg): New function.
3149 (ix86_expand_clrmem): Rename to ...
3150 (ix86_expand_setmem): ... this one. Rewrite.
3152 * invoke.texi (minline-stringops-dynamically): New command line option.
3153 (mstringop-strategy): Likewise.
3155 2006-11-27 Jan Hubicka <jh@suse.cz>
3157 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3158 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3159 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3160 * insn-notes.def (FUNCTION_END): Remove.
3161 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3162 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3164 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3165 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3166 * cfglayout.c (duplicate_insn_chain): Don't worry about
3169 2006-11-27 Richard Guenther <rguenther@suse.de>
3170 Zdenek Dvorak <dvorakz@suse.cz>
3172 * target.h (struct gcc_target): Add builtin_vectorized_function
3174 * target-def.h (TARGET_VECTORIZE): Likewise.
3175 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3176 Document new target hook.
3177 * targhooks.h (default_builtin_vectorized_function): Declare.
3178 * targhooks.c (default_builtin_vectorized_function): Define.
3179 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3180 (vectorizable_call): Declare.
3181 * tree-vect-analyze.c (vect_analyze_operations): Call
3183 * tree-vect-transform.c (vectorizable_function): New static function.
3184 (build_vectorized_function_call): Likewise.
3185 (vectorizable_call): New function.
3186 (vect_transform_stmt): Handle vectorizable calls.
3188 2006-11-27 Richard Guenther <rguenther@suse.de>
3191 * builtins.c (expand_builtin_pow): Optimize non integer valued
3192 constant exponents using sqrt or cbrt if possible. Always fall back
3193 to expanding via optabs.
3195 2006-11-27 Ira Rosen <irar@il.ibm.com>
3197 PR tree-optimization/22372
3198 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3199 the type of the base address.
3200 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3201 it in the data-ref pointer creation.
3202 (vect_init_vector): Add an argument, type of the init vector. Use it in
3204 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3205 (get_initial_def_for_reduction): Likewise.
3206 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3208 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3209 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3210 correct type in stmt creation.
3211 (vect_setup_realignment): Use the correct type in stmt creation.
3212 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3214 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3215 of MODIFY_EXPR to void_type_node.
3216 (vectorizable_condition): Change type of MODIFY_EXPR to
3218 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3221 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3224 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3225 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3226 standard 80387 constants, raise the cost to prevent
3227 compress_float_constant() to generate load from memory.
3229 * config/i386/i386.md: Add new splitter pattern to split
3230 float_extended load of constant from constant pool into
3233 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3235 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3236 section to general section. Remove documentation for
3237 --with-mpfr-dir and --with-gmp-dir, add documentation for
3238 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3241 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3243 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3245 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3247 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3249 PR tree-optimization/29122
3250 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3251 for the new version. Assign NULL to DECL_RTL of the new version.
3253 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3255 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3257 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3259 * cse.c (cse_altered): Remove.
3260 (record_jump_equiv): Make true/false argument a bool instead
3262 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3263 where appropriate. Emit a new jump before the existing one
3264 instead of after so that delete_insn_and_edges removes the
3265 dead edges properly. Check any_condjump_p before calling
3267 (cse_basic_block): Check any_condjump_p before calling
3269 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3271 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3273 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3274 -ffixed-line-length-* options.
3276 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3278 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3279 (fprem1xf4): Rename to fprem1xf4_i387.
3281 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3282 Rename patterns to fmod<mode>3. Use general_operand operand
3283 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3284 patterns for SSE math.
3285 (remaindersf3, remainderdf3): Ditto.
3287 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3289 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3290 inside start_sequence / end_sequence pair.
3292 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3294 * jump.c (mark_all_labels): Work in cfglayout mode.
3295 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3296 when in cfglayout mode, because there are no dead jumptables
3298 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3300 (commit_edge_insertions): Do not allow insertion of instructions
3301 with control flow insns when in cfglayout mode.
3303 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3305 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3307 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3308 unswitch_loop): Ditto.
3309 * tree-loop-linear.c (linear_transform_loops): Ditto.
3310 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3311 tree_ssa_lim): Ditto.
3312 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3313 free_numbers_of_iterations_estimates): Ditto.
3314 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3315 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3316 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3317 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3318 place_new_loop, duplicate_loop, duplicate_subloops,
3319 update_single_exit_for_duplicated_loops, copy_loops_to,
3320 duplicate_loop_to_header_edge, create_preheaders,
3321 force_single_succ_latches, loop_version, fix_loop_structure):
3323 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3324 tree_unroll_loop): Ditto.
3325 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3326 * tree-scalar-evolution.c (select_loops_exit_conditions,
3327 scev_initialize, scev_analysis): Ditto.
3328 * tree-scalar-evolution.h (scev_initialize): Ditto.
3329 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3330 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3331 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3332 * modulo-sched.c (sms_schedule): Ditto.
3333 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3334 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3335 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3336 * ifcvt.c (if_convert): Ditto.
3337 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3338 canonicalize_loop_induction_variables,
3339 canonicalize_induction_variables,
3340 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3341 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3342 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3343 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3344 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3345 tree_ssa_loop_done): Ditto.
3346 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3347 estimate_bb_frequencies): Ditto.
3348 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3349 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3350 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3351 decide_unrolling_and_peeling, peel_loop_completely,
3352 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3353 peel_loop_simple, unroll_loop_stupid): Ditto.
3354 * loop-doloop.c (doloop_optimize_loops): Ditto.
3355 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3356 * loop-invariant.c (move_loop_invariants): Ditto.
3357 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3358 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3359 tree_ssa_prefetch_arrays): Ditto.
3360 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3362 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3363 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3364 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3365 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3366 verify_loop_structure): Ditto.
3367 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3368 canonicalize_induction_variables, tree_unroll_loops_completely,
3369 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3370 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3371 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3372 tree_unroll_loop, linear_transform_loops): Declaration changed.
3373 * basic-block.h: Remove declaration of struct loops.
3374 * cfghooks.h (struct cfg_hooks): Change type of
3375 cfg_hook_duplicate_loop_to_header_edge.
3376 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3377 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3378 vect_transform_loop): Declaration changed.
3379 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3380 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3381 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3382 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3383 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3384 loopify, loop_version, remove_path, unswitch_loops,
3385 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3386 Declaration changed.
3388 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3390 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3391 (X87MODEF): New mode macro.
3392 (ssemodefsuffix): New mode attribute.
3393 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3394 (sqrt_extend<mode>xf2_i387): New insn pattern.
3395 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3396 insn and truncate result back to original mode using
3397 UNSPEC_TRUNC_NOOP truncation.
3398 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3399 ssemodefsuffix mode attribute.
3400 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3401 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3402 (*sqrtextenddfxf2_i387): Remove insn patterns.
3404 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3405 truncation patterns.
3407 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3409 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3412 * c-tree.h (c_maybe_initialize_eh): New prototype.
3413 * c-decl.c (finish_decl): Move EH initialization...
3414 (c_maybe_initialize_eh): ... here. New function.
3415 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3416 if not #pragma omp atomic.
3419 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3420 or UNION_TYPE inner types.
3422 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3425 * ipa-pure-const.c (check_tree): If the original tree
3426 is volatile return early and say the function is not pure
3427 nor const. Remove the volatile check for writes.
3428 (analyze_function): Print out the result of the local
3431 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3433 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3435 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3436 * config/rs6000/rs6000.c (rs6000_override_options): Use
3437 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3440 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3442 * config/s390.c (s390_emit_compare_and_swap): New function.
3443 (s390_expand_cs_hqi, s390_expand_atomic): Call
3444 s390_emit_compare_and_swap.
3446 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3448 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3450 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3454 * c-common.c (conversion_warning): New.
3455 (convert_and_check): Call conversion_warning unless there is an
3457 * doc/invoke.texi (-Wconversion): Update description.
3459 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3461 * tree-ssa-alias.c (tree_pointer_compare): New function.
3462 (compact_name_tags): New function.
3463 (group_aliases): Call compact_name_tags.
3465 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3467 * real.h (real_isinteger): Declare.
3468 * real.c (real_isinteger): Define.
3469 * builtins.c (integer_valued_real_p): Use it.
3471 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3474 * c.opt (Wtraditional-conversion): New.
3475 (Wconversion): Update description.
3476 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3477 type conversions different from what would happen in the absence
3478 of prototype are now handled by Wtraditional-conversion.
3479 * doc/invoke.texi (Wtraditional-conversion): New.
3480 (Wconversion): Update description.
3481 * doc/trouble.texi (Wconversion): Replace Wconversion by
3482 Wtraditional-conversion.
3484 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3486 * predict.c (tree_estimate_probability): Check to make
3487 sure current_loops is non null before calling flow_loops_dump.
3489 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3491 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3493 2006-11-23 David Ung <davidu@mips.com>
3495 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3497 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3498 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3499 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3500 high part of FP register when in 64-bit FP register mode. Similarly
3501 use gen_mfhc1 to load high part of FP register.
3502 (override_options): Allow -mgp32 and -mfp64 combination if
3503 ISA_HAS_MXHC1 (currently for O32 only).
3504 (mips_cannot_change_mode_class): If floating-point registers are
3505 bigger than word size. disallow conversion of float register from a
3506 large integer mode to a float mode smaller than the float register
3508 (mips_class_max_nregs): Handle float registers case seperately.
3509 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3511 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3512 (movdf_hardfloat_32bit): Similarly.
3513 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3514 support a full 64-bit fpu.
3515 (mthc1): New pattern to generate MTHC1 instruction.
3516 (mfhc1): New pattern to generate MFHC1 instruction.
3517 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3518 option for the MIPS32R2 and mention its use under O32 ABI.
3520 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3522 * var-tracking.c (emit_note_insn_var_location): Take care not to
3523 cause verify_flow_info failures.
3525 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3527 * tree-ssa-structalias.c: Remove edge weights in favor of just
3528 processing them as complex constraints.
3529 (struct constraint_graph): Remove weighted succs and preds. Rename
3530 nonweighted succs and preds.
3531 (constraint_edge): Removed.
3532 (constraint_edge_t): Ditto.
3533 (constraint_edge_pool): Ditto.
3534 (new_constraint_edge): Ditto.
3535 (constraint_edge_equal): Ditto.
3536 (constraint_edge_less): Ditto.
3537 (constraint_edge_vec_find): Ditto.
3538 (erase_self_graph_edge): Ditto.
3539 (add_graph_edge): Removed.
3540 (get_graph_weights): Ditto.
3541 (allocate_graph_weights): Ditto.
3542 (valid_weighted_graph_edge): Ditto
3543 (bitmap_other_than_zero_bit_set): Ditto.
3544 (int_add_graph_edge): Renamed to add_graph_edge.
3545 (clear_edges_for_node): Remove support for weighted edges.
3546 (merge_graph_nodes): Ditto.
3547 (valid_graph_edge): Ditto.
3548 (build_constraint_graph): Ditto.
3550 (collapse_nodes): Ditto.
3551 (process_unification_queue): Ditto.
3552 (topo_visit): Ditto.
3553 (do_ds_constraint): Ditto.
3554 (perform_var_subsitution): Ditto.
3555 (solve_graph): Ditto.
3556 (init_alias_vars): Ditto.
3557 (delete_points_to_sets): Ditto.
3558 (do_complex_constraint): Support offsetted copies here.
3560 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3562 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3564 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3566 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3569 2006-11-23 Ben Elliston <bje@au.ibm.com>
3571 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3573 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3575 PR tree-optimization/29921
3576 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3577 signed and unsigned zero equal.
3579 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3581 * config/rs6000/rs6000.c (get_store_dest): New.
3582 (adjacent_mem_locations): Use get_store_dest() to get
3583 the rtl of the store destination.
3585 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3587 * config/rs6000/spe.md (SPE64): New mode macro.
3588 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3590 (mov_si<mode>_e500_subreg0_2): New.
3591 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3593 (mov_si<mode>_e500_subreg4_2): New.
3594 * config/rs6000/predicates.md (input_operand): Do not allow
3595 invalid E500 subregs.
3596 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3598 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3599 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3600 involving vector modes if TARGET_SPE.
3602 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3605 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3606 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3608 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3610 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3611 mem_i_address_operand): New predicates.
3612 * config/bfin/bfin.c (bfin_issue_rate): New function.
3613 (TARGET_SCHED_ISSUE_RATE): New macro.
3614 * config/bfin/bfin.md (addrtype): New attribute.
3615 (slot0, slot1, slot2, store, pregs): New cpu_units.
3616 (core): Now a define_reservation.
3617 (alu): Remove some insn types from this reservation.
3618 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3620 (dummy reservation): Don't trigger for mcld insns.
3621 (absence_sets): Two new absence sets to enforce slot ordering.
3622 (popsi_insn): Set addrtype.
3624 2006-11-22 Ira Rosen <irar@il.ibm.com>
3626 * doc/c-tree.texi: Document new tree codes.
3627 * doc/md.texi: Document new optabs.
3628 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3630 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3631 * optabs.h (optab_index): Add new.
3632 (vec_extract_even_optab, vec_extract_odd_optab,
3633 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3634 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3635 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3637 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3638 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3639 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3640 along with macros for their access.
3641 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3643 * tree-vect-analyze.c (toplev.h): Include.
3644 (vect_determine_vectorization_factor): Fix indentation.
3645 (vect_insert_into_interleaving_chain,
3646 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3647 (vect_analyze_data_ref_dependence): Add argument for interleaving
3648 check. Check for interleaving if it's true.
3649 (vect_check_dependences): New function.
3650 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3651 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3652 (vect_update_misalignment_for_peel): Update for interleaving.
3653 (vect_verify_datarefs_alignment): Check only first data-ref for
3655 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3656 only first data-ref for interleaving.
3657 (vect_analyze_data_ref_access): Check interleaving, update
3659 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3660 with different parameters.
3661 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3662 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3663 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3664 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3665 Update step in case of interleaving.
3666 (vect_strided_store_supported, vect_permute_store_chain): New
3668 (vectorizable_store): Handle strided stores.
3669 (vect_strided_load_supported, vect_permute_load_chain,
3670 vect_transform_strided_load): New functions.
3671 (vectorizable_load): Handle strided loads.
3672 (vect_transform_stmt): Add argument. Handle strided stores. Check
3673 that vectorized stmt exists for patterns.
3674 (vect_gen_niters_for_prolog_loop): Update calculation for
3676 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3677 whole chain vectorization.
3678 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3679 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3680 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3681 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3682 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3684 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3686 * cse.c (enum taken): Remove PATH_AROUND.
3687 (addr_affects_sp_p, invalidate_skipped_set,
3688 invalidate_skipped_block): Remove.
3689 (cse_end_of_basic_block): Remove skip_blocks and related code.
3690 (cse_main): Don't test for flag_cse_skip_blocks.
3691 Update cse_end_of_basic_block call.
3692 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3693 code to lengthen the path if a jump was simplified.
3695 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3697 PR rtl-optimization/29924
3698 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3699 (unroll_loop_runtime_iterations): Assert that the argument passed to
3700 split_edge_and_insert is not NULL.
3701 * loop-doloop.c (add_test): Ditto.
3703 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3705 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3707 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3708 * cfgloopmanip.c (update_single_exits_after_duplication,
3709 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3710 * tree-scalar-evolution.c (get_loop_exit_condition,
3711 get_exit_conditions_rec, loop_closed_phi_def,
3712 number_of_iterations_in_loop, scev_const_prop): Ditto.
3713 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3714 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3716 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3718 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3719 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3720 slpeel_make_loop_iterate_ntimes,
3721 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3722 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3724 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3725 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3726 vect_analyze_loop_form): Ditto.
3727 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3728 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3729 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3730 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3731 vect_transform_loop): Ditto.
3732 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3733 (single_exit, set_single_exit): New functions.
3734 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3735 (single_exit, set_single_exit): Declare.
3736 * doc/loop.texi: Undocument single_exit field. Document single_exit
3739 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3741 PR tree-optimization/29902
3742 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3743 any involved ssa name appears in abnormal phi node.
3745 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3747 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3748 (xtensa_const_ok_for_letter_p): Delete.
3749 (xtensa_extra_constraint): Delete.
3750 (override_options): Delete xtensa_char_to_class initialization.
3751 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3752 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3753 (EXTRA_CONSTRAINT): Delete.
3754 * config/xtensa/xtensa.md: Include constraints.md.
3755 (call_internal): Combine alternatives.
3756 (call_value_internal): Likewise, and remove invalid constraints.
3757 * config/xtensa/constraints.md: New file.
3758 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3759 (xtensa_extra_constraint): Delete.
3760 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3763 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3765 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3766 of conversion that doesn't fit.
3768 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3769 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3770 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3772 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3774 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3776 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3778 2006-11-21 Richard Guenther <rguenther@suse.de>
3780 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3781 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3782 vect_recog_pow_pattern.
3783 (vect_recog_pow_pattern): New function.
3785 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3787 * config/bfin/bfin.opt (mstack-check-l1): New.
3788 * doc/invoke.texi (Blackfin Options): Document it.
3789 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3790 stack bounds in L1 memory if the new option is enabled.
3791 (override_options): Don't allow combinations of -fstack-limit and
3793 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3796 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3798 (bfin_register_move_cost): Bump costs if trying to move plain
3799 integer values through accumulators.
3801 2006-11-21 Ben Elliston <bje@au.ibm.com>
3803 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3805 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3806 Russell Olsen <Russell_Olsen@playstation.sony.com>
3807 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3808 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3809 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3810 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3811 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3813 * config.gcc: Add target for SPU.
3814 * config/spu/constraints.md: New file.
3815 * config/spu/crt0.c: New file.
3816 * config/spu/crtend.c: New file.
3817 * config/spu/crti.asm: New file.
3818 * config/spu/crtn.asm: New file.
3819 * config/spu/float_unsdidf.c: New file.
3820 * config/spu/float_unssidf.c: New file.
3821 * config/spu/predicates.md: New file.
3822 * config/spu/spu-builtins.def: New file.
3823 * config/spu/spu-builtins.h: New file.
3824 * config/spu/spu-builtins.md: New file.
3825 * config/spu/spu-c.c: New file.
3826 * config/spu/spu-elf.h: New file.
3827 * config/spu/spu-modes.def: New file.
3828 * config/spu/spu-protos.h: New file.
3829 * config/spu/spu.c: New file.
3830 * config/spu/spu.h: New file.
3831 * config/spu/spu.md: New file.
3832 * config/spu/spu.opt: New file.
3833 * config/spu/spu_internals.h: New file.
3834 * config/spu/spu_intrinsics.h: New file.
3835 * config/spu/spu_mfcio.h: New file.
3836 * config/spu/t-spu-elf: New file.
3837 * config/spu/vec_types.h: New file.
3838 * config/spu/vmx2spu.h: New file.
3839 * doc/contrib.texi: Document SPU contributor.
3840 * doc/extend.texi: Document SPU extensions.
3841 * doc/invoke.texi: Document SPU options.
3842 * doc/md.texi: Document SPU constraints.
3844 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3846 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3848 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3850 (flow_loop_dump): Do not dump loop level.
3851 (flow_loops_find): Do not call flow_loops_level_compute.
3852 * cfgloop.h (struct loop): Remove level field.
3854 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3856 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3857 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3858 Use vector of edges instead of array.
3859 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3860 estimate_numbers_of_iterations_loop): Ditto.
3861 * predict.c (predict_loops): Ditto.
3862 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3863 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3865 * basic-block.h: Declare heap allocation for edge vectors.
3866 * tree-outof-ssa.c: Ditto.
3867 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3868 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3870 2006-11-20 Zack Weinberg <zackw@panix.com>
3872 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3873 Add another out parameter, "skip".
3874 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3875 is tagged "skip", do not mark its type used.
3877 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3880 * tree-sra.c (single_scalar_field_in_record_p): New function.
3881 (decide_block_copy): Use it.
3883 2006-11-20 David Daney <ddaney@avtrex.com>
3885 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3886 PC to point to following instruction.
3888 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3892 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3894 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3896 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3898 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3899 Add sh/superh.h to tm_file.
3901 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3902 Mark Mitchell <mark@codesourcery.com>
3904 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3906 (cpp_relocated): New function.
3907 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3909 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3910 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3911 replace configured prefix with gcc_exec_prefix.
3913 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3915 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3916 bfin_legitimate_constant_p.
3917 * config/bfin/bfin.md (movsi expander): Check return value of
3919 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3920 (expand_move): Adjust prototype.
3921 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3922 invalid constants specially.
3923 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3925 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3927 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3928 sibcall_value_symbol): Allow these patterns if
3929 TARGET_LEAF_ID_SHARED_LIBRARY.
3930 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3931 (override_options): Turn on id shared library flags if -msep-data,
3932 but disallow the combination of these options on the command line.
3933 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3934 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3935 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3936 -mid-shared-library.
3937 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3938 * doc/invoke.texi (Blackfin Options): Document new switches.
3940 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3941 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3943 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3944 inflate costs for addresses with an out-of-bounds address.
3946 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3949 * fwprop.c (loops): Remove.
3950 (forward_propagate_into): Use current_loops instead of
3952 (fwprop_init): Call loop_optimizer_init instead of
3954 (fwprop_done): Call loop_optimizer_finalize instead of
3956 (fwprop): Use current_loops instead of loops.
3958 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3961 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3963 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3966 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3967 larger than BITS_PER_WORD.
3969 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3973 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3974 to MAX_FIXED_MODE_SIZE.
3976 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3978 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3979 (fold_builtin_fmin_fmax): New.
3980 (fold_builtin_1): Use it.
3982 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3984 2006-11-18 Richard Guenther <rguenther@suse.de>
3986 * config/i386/i386.c (ix86_builtins): New array for ix86
3987 builtin function decls.
3988 (def_builtin): New function.
3989 (def_builtin_const): Likewise.
3990 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3992 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3994 * doc/invoke.texi (core2): Add item.
3996 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3998 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3999 (TARGET_CPU_DEFAULT_generic): Change value.
4000 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4001 (processor_type): Add new constant PROCESSOR_CORE2.
4003 * config/i386/i386.md (cpu): Add core2.
4005 * config/i386/i386.c (core2_cost): New initialized variable.
4006 (m_CORE2): New macro.
4007 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4008 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4009 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4010 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4011 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4012 x86_accumulate_outgoing_args, x86_prologue_using_move,
4013 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4014 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4015 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4016 x86_pad_returns): Add m_CORE2.
4017 (override_options): Add entries for Core2.
4018 (ix86_issue_rate): Add case for Core2.
4020 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4022 * doc/invoke.texi: Fix mno-isel typo.
4024 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4026 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4027 easy vector constant loads.
4029 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4031 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4032 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4033 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4034 * config/rs6000/sync.md (lwsync): Emit plain sync if
4037 2006-11-17 DJ Delorie <dj@redhat.com>
4039 * reload1.c (reloads_unique_chain): New.
4040 (reloads_conflict): Call it.
4042 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4044 * config/xtensa/predicates.md (addsubx_operand): New.
4045 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4046 (xtensa_emit_bit_branch): New.
4047 (xtensa_emit_movcc): New.
4048 * config/xtensa/xtensa.md (any_minmax): New code macro.
4049 (minmax): New code attribute.
4050 (any_cond, any_scc, any_scc_sf): New code macros.
4051 (*addx2, *addx4, *addx8): Delete.
4053 (*subx2, *subx4, *subx8): Delete.
4055 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4056 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4057 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4058 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4059 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4060 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4061 (movsfcc_internal0, movsfcc_internal1): Likewise.
4062 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4063 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4064 (xtensa_emit_bit_branch): New.
4065 (xtensa_emit_movcc): New.
4066 (function_arg_boundary): Add missing prototype.
4068 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4070 * config/xtensa/xtensa.md (tstsi): Delete
4072 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4074 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4076 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4078 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4080 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4082 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4084 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4086 * tree-vrp.c (execute_vrp): Do not update current_loops.
4087 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4088 * doc/loop.texi: Remove documentation for cancelled functions.
4089 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4090 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4092 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4093 (remove_path): Ensure that in delete_basic_blocks, the loops
4094 are still allocated.
4095 (add_loop): Work on valid loop structures.
4096 (loopify): Modify call of add_loop.
4097 (mfb_update_loops): Removed.
4098 (create_preheader): Do not update loops explicitly.
4099 (force_single_succ_latches, loop_version): Do not use
4100 loop_split_edge_with.
4101 (loop_split_edge_with): Removed.
4102 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4103 Do not use bsi_insert_on_edge_immediate_loop.
4104 (split_loop_exit_edge, tree_unroll_loop): Do not use
4105 loop_split_edge_with.
4106 (bsi_insert_on_edge_immediate_loop): Removed.
4107 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4108 use loop_split_edge_with.
4109 * cfghooks.c: Include cfgloop.h.
4110 (verify_flow_info): Verify that loop_father is filled iff current_loops
4112 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4113 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4115 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4117 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4118 loop_split_edge_with.
4119 (sms_schedule): Use current_loops.
4120 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4121 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4123 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4124 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4125 * ifcvt.c (if_convert): Ditto.
4126 * predict.c (predict_loops): Do not clear current_loops.
4127 (tree_estimate_probability): Use current_loops.
4128 (propagate_freq): Receive head of the region to propagate instead of
4130 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4131 (estimate_loops): New function. Handle case current_loops == NULL.
4132 (estimate_bb_frequencies): Do not allocate tovisit. Use
4134 * tree-ssa-loop.c (current_loops): Removed.
4135 (tree_loop_optimizer_init): Do not return loops.
4136 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4137 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4138 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4139 Do not update loops explicitly.
4140 * function.h (struct function): Add x_current_loops field.
4141 (current_loops): New macro.
4142 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4143 * loop-unroll.c (split_edge_and_insert): New function.
4144 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4145 use loop_split_edge_with.
4146 * loop-doloop.c (add_test, doloop_modify): Ditto.
4147 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4148 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4149 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4150 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4152 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4153 (flow_loops_free): Do not free dfs_order and rc_order.
4154 (flow_loops_find): Do not set dfs_order and rc_order in loops
4155 structure. Do not call loops and flow info verification.
4156 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4157 already belongs to some loop.
4158 * cfgloop.h (struct loops): Remove struct cfg.
4159 (current_loops, loop_split_edge_with): Declaration removed.
4160 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4161 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4162 Declaration removed.
4163 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4164 * basic-block.h (split_edge_and_insert): Declare.
4165 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4167 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4169 PR tree-optimization/29801
4170 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4171 (get_default_value): Use get_symbol_constant_value.
4172 (set_lattice_value): ICE when the value of the constant is
4174 (visit_assignment): Ignore VDEFs of read-only variables.
4176 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4178 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4180 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4181 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4183 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4185 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4186 select subvars of var.
4188 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4191 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4192 optimize if DEF doesn't have integral type.
4194 2006-11-16 Mike Stump <mrs@apple.com>
4196 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4197 pre-darwin9 system, unless the user asks for it directly.
4198 (PREFERRED_DEBUGGING_TYPE): Likewise.
4199 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4200 * config.gcc: Add suppport for darwin9.h.
4201 * config/darwin9.h: Add.
4202 * doc/install.texi (Specific): Clarify darwin documentation.
4204 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4206 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4207 optimizing for size.
4209 2006-11-16 Mike Stump <mrs@apple.com>
4211 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4213 2006-11-16 Dirk Mueller <dmueller@suse.de>
4215 * tree-vrp.c (get_value_range): Use XCNEW instead
4217 (insert_range_assertions): Use XCNEWVEC instead
4218 of XNEWVEC and memset.
4219 (vrp_initialize): Same.
4220 (vrp_finalize): Same.
4221 * tree-ssa-ccp.c (ccp_initialize): Same.
4222 * predict.c (tree_bb_level_predictions): Same.
4223 * calls.c (expand_call): Same.
4224 * tree-ssa-copy.c (init_copy_prop): Same.
4225 (fini_copy_prop): Same.
4226 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4227 of GGC_NEW and memset.
4229 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4232 * gimplify.c (gimplify_expr): Only force a load for references to
4233 non-BLKmode volatile values.
4234 * doc/implement-c.texi (Qualifiers implementation): Document the
4235 interpretation of what a volatile access is.
4236 * doc/extend.texi (C++ Extensions): Rework same documentation.
4238 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4240 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4243 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4245 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4247 (arm_neg_abssi2): Renamed from neg_abssi2.
4248 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4250 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4252 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4253 number of arguments passed to local functions in SSE registers is 3.
4255 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4256 number of arguments passed in SSE registers to 3.
4258 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4261 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4263 (get_last_bb_insn): ... new global function.
4264 (basic_block.h): Declare it.
4265 * haifa-sched.c (create_recovery_block): Use it.
4267 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4270 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4272 2006-11-15 Paul Brook <paul@codesourcery.com>
4274 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4275 _Unwind_GetTextRelBase): Move from here ...
4276 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4277 _Unwind_GetTextRelBase): ... To here.
4279 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4281 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4282 addresses we generate for testing are aligned.
4284 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4287 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4288 to what is the const decl is a place holder for.
4290 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4292 * config/i386/i386.opt: New target option -mx87regparm.
4294 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4295 and float_in_x87 variables. mmx_words, sse_words: Remove.
4296 (X87_REGPARM_MAX): Define.
4298 * config/i386/i386.c (override_options): Error out for
4299 -mx87regparm but no 80387 support.
4300 (ix86_attribute_table): Add x87regparm.
4301 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4302 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4303 (ix86_function_x87regparm): New function.
4304 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4306 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4308 (function_arg_advance): Process x87_nregs and x87_regno when
4309 floating point argument is to be passed in 80387 register.
4310 (function_arg): Pass XFmode arguments in 80387 registers for local
4311 functions. Pass SFmode and DFmode arguments to local functions
4312 in 80387 registers when flag_unsafe_math_optimizations is set.
4314 * reg-stack.c (convert_regs_entry): Disable NaN load for
4315 stack registers that are used for argument passing.
4317 * doc/extend.texi: Document x87regparm function attribute.
4318 * doc/invoke.texi: Document -mx87regparm.
4320 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4322 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4323 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4324 arg MODE; all callers changed. Use it to determine validity per
4325 machine mode instead of using Pmode for all memory references.
4326 (get_address_cost): Likewise add and use new arg MEM_MODE.
4328 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4329 J"orn Rennecke <joern.rennecke@st.com>
4331 * combine.c (likely_spilled_retval_1): Fix masking operation.
4332 (likely_spilled_retval_p): Use proper pattern for call to
4333 likely_spilled_retval_1.
4335 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4337 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4339 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4340 that tests for CONSTANT_POOL_ADDRESS_P.
4342 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4344 PR tree-optimization/29581
4345 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4346 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4347 type is different between Y and USE, create a temporary
4348 variable, initialize it at the beginning of the body bb
4349 and use it as replacement instead of Y.
4351 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4354 * gimplify.c (fold_indirect_ref_rhs): Use
4355 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4357 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4359 * expmed.c (emit_store_flag_1): New function.
4360 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4362 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4363 Use do_compare_rtx_and_jump.
4364 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4365 * arm.md (cstoresi4): New define_expand.
4366 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4367 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4368 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4370 2006-11-14 Caroline Tice <ctice@apple.com>
4372 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4373 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4375 (pubname_table): Redefine as a vector.
4376 (pubtype_table): New static global variable, defined as a vector.
4377 (pubname_table_allocated): Remove static global variable.
4378 (pubname_table_in_use): Remove static global variable.
4379 (PUBNAME_TABLE_INCREMENT): Remove constant.
4380 (size_of_pubnames): Add parameter to deal with either pubnames or
4381 pubtypes, and change code to deal with table being a vector.
4382 (add_pubname): Change to deal with table being a vector.
4383 (add_pubtype): New function.
4384 (output_pubnames): Add parameter to deal with either pubnames or
4385 pubtypes, and change code to deal with table being a vector.
4386 (gen_array_type_die): Add call to add_pubtype.
4387 (gen_enumeration_type_die): Add call to add_pubtype.
4388 (gen_struct_or_union_type_die): Add call to add_pubtype.
4389 (gen_subroutine_type_die): Add call to add_pubtype.
4390 (gen_typedef_die): Add call to add_pubtype.
4391 (dwarf2out_init): Add code to initialize pubname_table and
4392 pubtype_table vectors; also initialize debug_pubtypes_section.
4393 (prune_unused_types): Change to deal with pubnames being a vector.
4394 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4395 pubnames table to call to output_pubnames; Add code to output pubtypes
4396 table if DEBUG_PUBTYPES_SECTION is defined.
4397 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4399 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4401 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4403 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4404 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4405 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4406 movv2si_internal): Support moves between core registers.
4408 2006-11-14 Eric Christopher <echristo@apple.com>
4410 * configure: Regenerate with autoconf 2.59.
4412 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4414 Fix PR tree-optimization/27755
4416 * tree-ssa-pre.c: Update comments.
4417 (bb_bitmap_sets): Add pa_in and deferred member.
4418 (BB_DEFERRED): New macro.
4419 (maximal_set): New variable.
4420 (pre_stats): Add pa_insert member.
4421 (bitmap_set_and): Short circuit orig == dest.
4422 (bitmap_set_subtract_values): New function.
4423 (bitmap_set_contains_expr): Ditto.
4424 (translate_vuses_through_block): Add phiblock argument.
4425 (dependent_clean): New function.
4426 (compute_antic_aux): Update for maximal_set changes.
4427 (compute_partial_antic_aux): New function.
4428 (compute_antic): Handle partial anticipation.
4429 (do_partial_partial_insertion): New function.
4430 (insert_aux): Handle partial anticipation.
4431 (add_to_sets): Add to maximal set.
4432 (compute_avail): Ditto.
4433 (init_pre): Initialize maximal_set.
4434 (execute_pre): Do partial anticipation if -O3+.
4436 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4438 PR rtl-optimization/29798
4440 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4441 TARGET_INSN before any other check.
4442 (fwprop_init): Always calculate dominators.
4443 (fwprop_done): Always free them.
4445 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4447 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4450 2006-11-13 DJ Delorie <dj@redhat.com>
4452 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4453 temporary for intermediates.
4455 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4457 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4458 (sh_optimize_target_register_callee_saved): #if 0 the code
4459 using NOTE_INSN_LOOP_{BEG,END}.
4461 2006-11-13 Roger Sayle <roger@eyesopen.com>
4463 * fold-const.c (optimize_bit_field_compare): Recursively call
4464 fold when simplifying non-constant comparisons between bit-fields.
4466 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4468 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4470 * configure: Rebuilt.
4472 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4474 * config/rs6000/cell.md: New file.
4475 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4477 (ppccell_cost): New cost matrix.
4478 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4479 (rs6000_override_options): Set rs6000_always_hint to false
4480 for cell. Also align functions/lables/loops to 8byte
4481 for the Cell. Use PROCESSOR_CELL.
4482 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4483 using_mtcr_multiple.
4484 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4485 on the Cell, return 0.
4486 (rs6000_adjust_cost): Add Cell cost adjustments.
4487 (is_microcoded_insn): Return true for Cell microcoded
4489 (is_nonpipeline_insn): New function.
4490 (rs6000_issue_rate): Add PROCESSOR_CELL.
4491 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4493 (rs6000_use_sched_lookahead_guard): New function.
4494 (rs6000_sched_reorder): Reorder the ready list, if the second
4495 to last ready insn is a nonepipeline insn on the Cell.
4496 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4497 (ASM_CPU_SPEC): Add Cell.
4498 * config/rs6000/rs6000.md (cpu): Add Cell.
4499 (cell_micro): New Attr.
4502 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4504 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4506 * configure: Rebuilt.
4508 2006-11-13 Richard Guenther <rguenther@suse.de>
4510 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4512 (ix86_expand_lfloorceil): Likewise.
4513 (ix86_expand_rint): Likewise.
4514 (ix86_expand_floorceildf_32): Likewise.
4515 (ix86_expand_floorceil): Likewise.
4516 (ix86_expand_rounddf_32): Likewise.
4517 (ix86_expand_truncdf_32): Likewise.
4518 (ix86_expand_round): Likewise.
4520 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4521 Mark Mitchell <mark@codesourcery.com>
4523 * gcc.c: Organize search path variables into $prefix relative,
4524 and well-known native. Add comments.
4525 (add_sysrooted_prefix): Add comment.
4526 (process_command): If !gcc_exec_prefix add $prefix based paths.
4527 If *cross_compile == '0', add native well-known paths.
4528 Assert tooldir_base_prefix is always relative.
4529 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4530 use this value for 'install:' path.
4531 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4533 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4535 * config/i386/i386.c: Fix a typo in comment.
4537 2006-11-13 Michael Matz <matz@suse.de>
4539 * genemit.c (gen_expand): Allocate enough memory.
4541 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4543 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4544 __GXX_TYPEINFO_EQUALITY_INLINE but not
4545 __GXX_MERGED_TYPEINFO_NAMES.
4546 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4547 __GXX_MERGED_TYPEINFO_NAMES.
4548 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4549 __GXX_TYPEINFO_EQUALITY_INLINE.
4551 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4552 Zdenek Dvorak <dvorakz@suse.cz>
4554 PR tree-optimization/29680
4555 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4558 2006-11-12 Jason Merrill <jason@redhat.com>
4559 Andrew Pinski <pinskia@physics.uc.edu>
4562 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4564 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4566 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4567 * tree.c (build_vector): Handle non-_CST elements.
4569 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4571 * genemit.c (gen_insn): Call gen_exp with a non-null used
4572 when handling multiple insns.
4573 (gen_expand): Likewise.
4574 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4575 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4576 (movsi_const_16bit+1): Copy operands[1].
4577 (call_pcrel): Copy the call_site pattern.
4578 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4580 2006-11-12 Roger Sayle <roger@eyesopen.com>
4582 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4583 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4584 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4585 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4587 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4589 Fix PR tree-optimization/29587
4590 * tree-ssa-structalias.c (process_constraint): Don't
4591 mark address taken due only to escaped vars constraint.
4593 2006-11-12 Michael Matz <matz@suse.de>
4594 Roger Sayle <roger@eyesopen.com>
4596 PR rtl-optimization/29797
4597 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4598 BITS_BIG_ENDIAN targets.
4600 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4602 * builtins.c (fold_builtin_cosh): New.
4603 (fold_builtin_1): Use it.
4604 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4605 trunc to the list of "odd" functions. Also add llrint, lrint,
4606 rint and nearbyint when flag_rounding_math is false.
4608 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4610 * tree-flow.h (name_mappings_registered_p): Declare.
4611 * tree-into-ssa.c (name_mappings_registered_p): New function.
4612 * tree-cfg.c (tree_can_merge_blocks_p): Check
4613 name_mappings_registered_p instead of need_ssa_update_p.
4615 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4617 * tree-ssa-loop.c (tree_vectorize): Return the result of
4619 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4620 if anything changed.
4621 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4622 * tree-flow.h (vectorize_loops): Declaration changed.
4624 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4626 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4628 (issue_prefetch_ref): Move assignment to write_p out of loop.
4629 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4630 SIMULTANEOUS_PREFETCHES into account.
4631 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4632 * lambda-code.c (lcm): Renamed to ...
4633 (least_common_multiple): ... and exported.
4634 * tree-flow.h (least_common_multiple): Declare.
4636 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4638 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4639 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4640 ud-chains. Handle AND_EXPR.
4641 (record_estimate): Record whether the estimate is realistic
4642 and whether it is derived from a loop exit.
4643 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4644 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4646 (compute_estimated_nb_iterations): Take only realistic bounds into
4647 account. Set estimate_state. Use double_ints.
4648 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4649 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4650 that do not have to be always executed.
4651 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4652 to determine whether to call infer_loop_bounds_from_undefined
4653 and compute_estimated_nb_iterations.
4654 (n_of_executions_at_most): Use double_ints.
4655 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4656 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4657 * double-int.c (double_int_to_tree): Improve comment.
4658 (double_int_fits_to_tree_p): New function.
4659 * double-int.h (double_int_fits_to_tree_p): Declare.
4660 * tree-data-ref.c: Include langhooks.h.
4661 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4662 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4663 (analyze_array): Do not pass estimate_only argument to
4664 analyze_array_indexes.
4665 (get_number_of_iters_for_loop): Build tree from the stored double_int
4667 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4668 (find_data_references_in_loop): Use find_data_references_in_stmt.
4669 * tree-data-ref.h (struct data_ref_loc_d): New.
4670 (get_references_in_stmt): Declare.
4671 (estimate_iters_using_array): Declaration removed.
4672 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4673 double_int. Improve comments. Add is_exit and realistic
4675 (struct loop): Changed type of estimated_nb_iterations to double_int.
4676 Added estimate_state field.
4677 (record_estimate): Declaration removed.
4679 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4681 * params.c (set_param_value): Initialize the "set" field.
4682 * params.h (struct param_info): Add "set" field.
4683 (PARAM_SET_P): New macro.
4684 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4685 L1_CACHE_LINE_SIZE): New macros.
4686 * toplev.c (DEFPARAM): Initialize the "set" field.
4687 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4688 SIMULTANEOUS_PREFETCHES): Removed.
4689 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4690 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4691 * config/sparc/sparc.c: Include params.h.
4692 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4693 L1_CACHE_LINE_SIZE parameters.
4694 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4696 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4698 * config/i386/i386.c: Include params.h.
4699 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4700 (override_options): Set SIMULTANEOUS_PREFETCHES and
4701 L1_CACHE_LINE_SIZE parameters.
4702 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4703 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4704 L1_CACHE_LINE_SIZE parameters.
4705 * config/ia64/ia64.c (ia64_optimization_options): Set
4706 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4707 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4709 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4710 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4711 * doc/invoke.texi: Document new params.
4713 2006-11-12 Roger Sayle <roger@eyesopen.com>
4715 PR tree-optimization/13827
4716 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4719 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4721 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4722 update_single_exit_for_duplicated_loops): New functions.
4723 (duplicate_loop_to_header_edge): Use
4724 update_single_exit_for_duplicated_loops.
4725 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4726 functions only with ENABLE_CHECKING.
4728 2006-11-12 Andreas Schwab <schwab@suse.de>
4730 * except.c (sjlj_emit_function_enter): Remove unused variable.
4732 2006-11-11 Roger Sayle <roger@eyesopen.com>
4734 * fold-const.c (int_binop_types_match_p): New function.
4735 (size_binop): Relax constraint that both arguments must both have
4736 exactly the same sizetype type. Instead use int_binop_types_match_p.
4737 (size_diffop): Likewise.
4739 (make_range): Use build_int_cst instead of fold_convert.
4740 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4741 integer constants of the correct type.
4742 (fold_div_compare): Likewise.
4743 (fold_single_bit_test): Likewise.
4744 (fold_binary): Likewise.
4745 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4746 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4748 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4751 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4752 non null value if the struct memory access is in the 0th
4755 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4758 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4759 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4762 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4763 instead of builtin_define for bfin and BFIN.
4765 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4767 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4770 2006-11-11 Jan Hubicka <jh@suse.cz>
4772 * extend.texi (__builtin_expect): We no longer require second argument
4774 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4775 * builtins.c (expand_builtin_expect): Simplify.
4776 (expand_builtin_expect_jump): Kill.
4777 * final.c (final_scan_insn): Do not skip the removed notes.
4778 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4779 EXPECTED_VALUE): Remove.
4780 * dojump.c (do_jump): Do not care about __builtin_expect.
4781 * predict.c (expected_value_to_br_prob): Kill.
4782 * function.c (expand_function_end): Do not expand
4783 NOTE_INSN_REPEATED_LINE_NUMBER.
4784 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4785 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4786 * cfgexpand.c (add_reg_br_prob_note): Export.
4787 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4788 expected_value_to_br_prob.
4789 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4790 * rtl.h (add_reg_br_prob_note): Declare.
4792 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4794 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4796 2006-11-11 Jan Hubicka <jh@suse.cz>
4798 * predict.c (predict_loops): Kill RTL variant.
4800 2006-11-11 Jan Hubicka <jh@suse.cz>
4802 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4803 * modulo-sched.c (find_line_note): Remove.
4804 (loop_canon_p): Do not worry about line number notes.
4805 (sms_schedule): Likewise.
4806 * cse.c (cse_main): Likewise.
4807 * regmove.c (fixup_match_1): Likewise
4808 * function.c (emit_return_info_block): Likewise.
4809 (expand_function_end): Likewise.
4810 (thread_prologue_an_epilogue_insns): Likewise.
4811 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4813 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4814 emit_note_copy_after): Kill.
4815 (emit_note_copy): Do not worry about line numbers.
4816 * jump.c (purge_line_number_notes): Kill.
4817 (pass_purge_lineno_notes): Kill.
4818 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4820 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4821 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4822 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4823 * tree-pass.h (pass_purge_lineno_notes): Kill.
4824 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4825 rm_redundant_line_notes.
4826 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4827 rm_redundant_line_notes.
4828 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4829 * haifa-sched.c: Update comment about handling notes.
4830 (unlink_line_notes): Kill.
4831 (rm_line_notes): Kill.
4832 (save_line_notes): Simplify.
4833 (rm_redundant_line_notes): Kill.
4835 2006-11-11 Richard Guenther <rguenther@suse.de>
4837 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4838 Remove unused tree codes.
4839 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4840 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4841 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4842 * tree.c (stabilize_reference): Likewise.
4843 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4844 fold_unary): Likewise.
4845 * tree-gimple.c (is_gimple_cast): Likewise.
4846 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4847 * expr.c (expand_expr_real_1): Likewise.
4848 * tree-eh.c (tree_could_trap_p): Likewise.
4849 * gimplify.c (gimplify_expr): Likewise.
4850 * tree-inline.c (estimate_num_insns_1): Likewise.
4851 * tree-cfg.c (verify_expr): Likewise.
4853 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4855 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4856 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4857 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4859 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4862 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4863 constraints accept neither registers or memories.
4865 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4867 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4868 (NO_PROFILE_COUNTERS): Define as 1.
4870 2006-11-10 Roger Sayle <roger@eyesopen.com>
4872 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4873 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4875 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4877 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4879 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4881 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4882 (fold_builtin_hypot): Likewise.
4883 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4885 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4887 2006-11-10 Roger Sayle <roger@eyesopen.com>
4889 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4890 when attempting to build INTEGER_CSTs of non-integral types.
4891 * expmed.c (make_tree): Use the correct type, i.e. the inner
4892 type, when constructing the individual elements of a CONST_VECTOR.
4894 2006-11-10 Jan Hubicka <jh@suse.cz>
4896 * cse.c (cse_process_notes): Copy the propagated value.
4897 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4899 * gcse.c (try_replace_reg): Copy the replacement.
4900 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4901 (assign_386_stack_local): Always return copied memory expression
4902 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4905 2006-11-10 Jan Hubicka <jh@suse.cz>
4907 * final.c (final): Walk from first instruction.
4908 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4910 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4913 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4915 (umulv8hi3_highpart): Ditto.
4916 (vec_widen_smult_hi_v8hi): New expander.
4917 (vec_widen_smult_lo_v8hi): Ditto.
4919 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4922 * builtins.c (do_mpfr_arg3): New.
4923 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4925 2006-11-09 Eric Christopher <echristo@apple.com>
4930 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4931 * config.gcc (powerpc64-*-darwin*): New target.
4932 * config.host: Ditto.
4933 * config/rs6000/darwin64.h: New file.
4934 * config/rs6000/x-darwin64: Ditto.
4935 * config/rs6000/host-ppc64-darwin.c: Ditto.
4937 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4939 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4940 routines for integer division.
4942 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4944 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4946 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4949 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4951 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4953 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4954 simplify_subreg with BLKmode outer mode.
4956 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4958 * doc/invoke.texi: Minor formatting fixes in option lists.
4960 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4962 PR tree-optimization/29738
4963 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4964 (ccp_lattice_t): Remove UNKNOWN_VAL.
4965 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4966 Do not handle UNKNOWN_VAL.
4967 (get_default_value): Set initial value of virtual operands to
4969 (get_value): Always use get_default_value on uninitialized
4971 (set_value_varying, surely_varying_stmt_p): New functions.
4972 (set_lattice_value): Do not pass argument to get_value.
4973 Do not handle UNKNOWN_VAL.
4974 (likely_value): Follow the semantics described in the comment.
4975 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4976 phi nodes DONT_SIMULATE_AGAIN.
4977 (ccp_fold): Do not pass argument to get_value.
4978 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4981 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4983 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4984 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4986 2006-11-08 Roger Sayle <roger@eyesopen.com>
4988 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4989 test for inclusion rather than as a test for exclusion.
4990 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4991 the condition after calling fold_binary.
4992 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4993 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4994 * builtins.c (fold_builtin_isascii): Likewise.
4995 (fold_builtin_isdigit): Likewise.
4997 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4999 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5000 * configure: Regenerate.
5002 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5004 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5005 enum argument instead of bool.
5006 (vect_analyze_operations): Call vectorizable_type_promotion.
5007 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5008 stmt_vec_info_type value.
5009 (supportable_widening_operation, vectorizable_type_promotion): New
5010 function declarations.
5011 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5012 (vectorizable_type_promotion): New function.
5013 (vect_transform_stmt): Call vectorizable_type_promotion.
5014 * tree-vect-analyze.c (supportable_widening_operation): New function.
5015 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5017 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5020 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5021 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5022 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5024 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5025 * expr.c (expand_expr_real_1): Likewise.
5026 * optabs.c (optab_for_tree_code): Likewise.
5027 (init_optabs): Initialize new optabs.
5028 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5029 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5030 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5031 vec_unpacku_lo_optab): Initialize new optabs.
5032 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5033 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5034 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5036 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5037 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5038 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5039 (vec_unpacku_lo_optab): New optabs.
5040 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5041 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5042 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5043 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5044 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5045 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5047 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5048 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5049 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5050 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5051 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5052 implement the unsigned unpacking patterns.
5053 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5054 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5055 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5056 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5057 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5058 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5059 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5060 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5061 multiplication patterns.
5063 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5064 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5065 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5066 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5067 (rs6000_builtin_mul_widen_odd): New.
5068 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5069 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5070 * tree-vectorizer.h (enum vect_relevant): New enum type.
5071 (_stmt_vec_info): Field relevant chaned from bool to enum
5073 (STMT_VINFO_RELEVANT_P): Updated.
5074 (STMT_VINFO_RELEVANT): New.
5075 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5076 instead of STMT_VINFO_RELEVANT_P.
5077 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5078 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5079 and boolean variable with enum vect_relevant.
5080 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5081 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5082 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5084 2006-11-08 Richard Henderson <rth@redhat.com>
5086 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5087 vec_widen_umult_lo_v8hi): New.
5088 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5089 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5091 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5092 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5093 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5094 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5095 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5096 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5097 vec_unpacks_lo_v4si): New.
5099 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5101 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5102 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5103 (vect_analyze_operations): Call vectorizable_type_demotion.
5104 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5105 stmt_vec_info_type value.
5106 (vectorizable_type_demotion): New function declaration.
5107 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5110 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5111 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5113 * tree-iniline.c (estimate_num_insns_1): Likewise.
5114 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5115 * optabs.c (optab_for_tree_code): Likewise.
5117 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5118 compared against the predicate of the result is not 'mode' (the input
5119 to the function) but a mode with half the size of 'mode'.
5120 (init_optab): Initialize new optabs.
5121 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5123 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5125 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5126 (vec_pack_usat_optab): Initialize new optabs.
5127 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5128 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5130 2006-11-08 Richard Henderson <rth@redehat.com>
5132 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5133 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5134 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5135 (vec_interleave_highv4si, vec_interleave_lowv4si):
5136 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5138 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5140 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5142 (vect_transform_stmt): Removed redundant code.
5144 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5146 * tree-vect-transform.c (vectorizable_operation): Support multiple
5149 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5151 * tree-vect-transform.c (vect_align_data_ref): Removed.
5152 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5153 Updated function documentation. Return the increment stmt in ptr_incr.
5154 (bump_vector_ptr): New function.
5155 (vect_get_vec_def_for_stmt_copy): New function.
5156 (vect_finish_stmt_generation): Create a stmt_info to newly created
5158 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5160 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5161 VF is greater than the number of elements that can fit in one vector
5163 (vectorizable_operation, vectorizable_condition): Likewise.
5164 (vectorizable_store, vectorizable_load): Support the case that the VF
5165 is greater than the number of elements that can fit in one vector word.
5166 (vect_transform_loop): Don't fail in case of multiple data-types.
5167 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5168 in case of multiple data-types; the smallest type determines the VF.
5169 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5170 if they are of different sizes.
5171 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5172 number of elements rather than number of bytes.
5173 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5174 (vect_can_advance_ivs_p): Fix a dump printout
5176 2006-11-07 Eric Christopher <echristo@apple.com>
5178 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5179 (__bswapsi2): Ditto.
5180 * libgcc2.h: Remove transformation of bswap routines.
5181 * config/i386/i386.md (bswapsi2): New.
5184 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5186 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5187 (handle_gnu_inline_attribute): New function.
5188 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5189 (merge_decls, start_decl, start_function): Likewise.
5190 * doc/extend.texi: Document gnu_inline attribute.
5192 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5195 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5196 _fixunstfdi, and _floatditf
5198 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5200 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5202 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5203 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5204 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5205 which start in an odd register.
5207 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5209 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5211 2006-11-07 Josh Conner <jconner@apple.com>
5213 * doc/invoke.texi (fstrict-aliasing): Move implementation
5215 * doc/tree-ssa.texi (Alias analysis): ...here.
5217 2006-11-07 Richard Guenther <rguenther@suse.de>
5219 PR tree-optimization/29610
5220 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5221 of tree_purge_dead_eh_edges as it may free dominators.
5223 * g++.dg/other/pr29610.C: New testcase.
5225 2006-11-07 David Ung <davidu@mips.com>
5227 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5228 costs when optimizing for size.
5229 (override_options): Use mips_rtx_cost_optimize_size table for cost
5232 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5234 * gcc.c (process_command): Treat -b as normal switch if its argument
5237 2006-11-07 David Ung <davidu@mips.com>
5239 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5242 2006-11-06 Eric Christopher <echristo@apple.com>
5244 * config.gcc: Add x86_64-darwin host support.
5245 * config.host: Ditto.
5246 * config/i386/darwin64.h: New file.
5247 * config/i386/t-darwin64: Ditto.
5249 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5251 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5252 and output-exists-not.
5254 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5257 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5258 checking for overflow.
5260 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5262 * configure.ac: Fixed typo in case statement: :: changed to ;;
5264 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5266 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5267 count_leading_zeros, and count_trailing_zeros.
5268 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5269 (TARGET_FOLD_BUILTIN): Define.
5270 (TARGET_EXPAND_BUILTIN): Define.
5271 (xtensa_init_builtins): New.
5272 (xtensa_fold_builtin): New.
5273 (xtensa_expand_builtin): New.
5274 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5275 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5276 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5277 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5278 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5279 (any_extend): New code macro.
5280 (u, su): New code attributes.
5281 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5282 (nsau): Remove; replaced by clzsi2.
5283 (ffssi2): Use clzsi2.
5284 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5285 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5286 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5287 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5288 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5290 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5292 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5294 * config/arm/t-strongarm-elf: Likewise.
5295 * config/arm/t-pe: Likewise.
5296 * config/arm/t-arm-elf: Likewise.
5297 * config/arm/t-xscale-elf: Likewise.
5298 * config/arm/t-arm-coff: Likewise.
5299 * config/arm/t-xscale-coff: Likewise.
5300 * config/arm/t-wince-pe: Likewise.
5302 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5304 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5307 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5310 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5313 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5316 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5317 as a valid 80387 constant.
5318 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5319 * config/i386/i386.md (unnamed splitter): Split the load of
5320 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5323 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5325 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5326 from the soft-frame, argument and virtual registers.
5328 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5330 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5331 patterns for standard 80387 constants.
5333 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5334 Steven Bosscher <steven@gcc.gnu.org>
5336 * fwprop.c: New file.
5337 * Makefile.in: Add fwprop.o.
5338 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5339 * passes.c (init_optimization_passes): Schedule forward propagation.
5340 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5342 * timevar.def (TV_FWPROP): New.
5343 * common.opt (-fforward-propagate): New.
5344 * opts.c (decode_options): Enable forward propagation at -O2.
5345 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5346 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5347 canon_for_address, table_size): Remove.
5348 (new_basic_block, insert, remove_from_table): Remove references to
5350 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5351 simplification loop more straightforward by not calling fold_rtx
5353 (equiv_constant): Move here a small part of fold_rtx_subreg,
5354 do not call fold_rtx. Call avoid_constant_pool_reference
5356 * recog.h (canonicalize_change_group): New.
5358 * doc/invoke.texi (Optimization Options): Document fwprop.
5359 * doc/passes.texi (RTL passes): Document fwprop.
5361 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5363 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5364 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5365 (grokdeclarator): Likewise.
5367 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5369 * tree-dump.c (dump_enable_all): Rename local variable
5370 ir_type to avoid name conflicts.
5371 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5372 instead of using ir_type().
5373 * profile.c (tree_register_profile_hooks): Likewise.
5374 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5375 * basic-block.h (struct edge_def): Likewise.
5376 * config/arm/arm.c (legitimize_pic_address): Likewise.
5377 * coretypes.h (ir_type): New enum of all intermediate languages
5379 * cfghooks.c (ir_type): Rename to...
5380 (current_ir_type): ...this. Distinguish between cfgrtl and
5381 cfglayout mode when the current IR is RTL. Return enum ir_type.
5382 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5384 2006-11-03 Paul Brook <paul@codesourcery.com>
5386 * config/arm/arm.c (arm_file_start): New function.
5387 (TARGET_ASM_FILE_START): Define.
5388 (arm_default_cpu): New variable.
5389 (arm_override_options): Set arm_default_cpu.
5391 2006-11-03 David Ung <davidu@mips.com>
5393 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5394 PROCESSOR_24KC and PROCESSOR_24KF.
5395 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5396 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5397 (mips_rtx_cost_data): Add costs for the 24kc.
5398 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5399 * config/mips/24k.md: Remove references to 24k and replace with
5400 uses of 24kc/24kf in the appropriate reservations.
5401 * doc/invoke.texi (MIPS Options): Updated.
5403 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5405 * config/sh/crt1.asm: Fix #ifdef indent.
5407 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5408 Merged from STMicroelectronics sources:
5409 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5410 * config/sh/crt1.asm (vbr_600): Add missing #if.
5411 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5412 * sh.opt (mfused-madd): New option.
5413 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5414 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5415 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5416 Remove pointless handler at VBR+0.
5417 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5418 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5419 fr7. Make sure the timer handler is called with the correct FPU
5420 precision setting, according to the ABI.
5421 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5422 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5423 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5424 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5425 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5426 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5427 zero as second operand.
5428 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5429 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5430 Fixed some bugs related to negative values, in particular -0
5431 and overflow at -0x80000000.
5432 * config/sh/divcost-analysis: Added sh4-300 figures.
5433 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5434 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5435 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5436 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5437 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5438 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5440 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5442 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5443 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5444 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5445 mac_mem, mem_mac, dfp_mul, fp_cmp.
5446 (insn_class, dfp_comp, any_fp_comp): Update.
5447 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5448 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5449 (muldf3_i): Likewise.
5450 (movsi_i): Split rI08 alternative into two separate alternatives.
5452 (movsi_ie, movsi_i_lowpart): Likewise.
5453 (movqi_i): Split ri alternative into two separate alternatives.
5455 * sh1.md (sh1_load_store, sh1_fp): Update.
5456 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5457 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5458 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5459 (sh4a_fp_double_arith): Likewise.
5460 * sh4-300.md: New file.
5461 * sh.c (sh_handle_option): Handle m4-300* options.
5462 (sh_adjust_cost): Fix latency of auto-increments.
5463 Handle SH4-300 differently than other SH4s. Check for new insn types.
5464 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5465 been set by an option.
5466 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5467 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5468 (mbranch-cost=): Likewise.
5469 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5471 * sh.md (mulsf3): Remove special expansion code.
5472 (mulsf3_ie): Now a define_insn_and_split.
5473 (macsf3): Allow for TARGET_SH4.
5475 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5476 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5477 (expand_cbranchdi4): Likewise.
5478 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5479 CONST_DOUBLE if the outer code is COMPARE.
5480 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5481 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5482 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5483 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5484 Remove redundant fp_{zero,one}_operand checks.
5485 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5486 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5487 (expand_cbranchdi4): Likewise.
5488 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5489 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5491 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5493 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5496 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5498 * doc/invoke.texi: Fix mfp-trap-mode typo.
5500 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5502 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5503 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5504 file_end_indicate_exec_stack.
5505 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5507 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5508 for a non-executable stack.
5509 * crti.asm: Likewise.
5510 * crtn.asm: Likewise.
5511 * libunwind.S: Likewise.
5513 2006-11-02 Ben Elliston <bje@au.ibm.com>
5515 * tree-ssa.c (warn_uninit): Use expand_location variables for
5516 locus and declaration locus.
5518 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5521 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5522 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5523 cmp{eq,gt,gtu}{si,di}_media.
5524 (*cmpne0si_media): Remove.
5525 (*movsicc_umin): Adjust gen_cmp*_media call.
5526 (unordered): Change the mode of unordered and operands[1] to
5528 (seq): Adjust gen_cmp*_media calls. Make the mode of
5529 a temporary result of compare SImode if needed. If the mode
5530 of operands[0] is DImode, extend the temporary result to DImode.
5531 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5532 (sunorderd): Change the mode of match_operand and unorderd to
5534 (cmpeq{sf,df}_media): Remove.
5535 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5536 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5537 and compare operation to SImode.
5539 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5541 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5543 (sparc64-sun-solaris2*): Likewise.
5545 2006-11-02 Paul Brook <paul@codesourcery.com>
5547 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5548 from priority argument. Use different section for non-default
5550 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5552 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5555 * except.c (switch_to_exception_section): Do not cache the section
5556 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5557 and flag_function_sections is set.
5559 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5562 * builtins.c (do_mpfr_sincos): New.
5563 (fold_builtin_1): Use it to fold builtin sincos.
5565 2006-11-01 Roger Sayle <roger@eyesopen.com>
5567 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5568 it into -D_REENTRANT.
5570 2006-11-01 Roger Sayle <roger@eyesopen.com>
5572 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5573 whether the assembler supports taking the difference of symbols in
5574 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5575 * configure: Regenerate.
5576 * config.in: Regenerate.
5577 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5578 the assembler doesn't support taking the difference of symbols in
5579 different sections, i.e. we're using the native solaris assembler.
5581 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5582 Peter Bergner <bergner@vnet.ibm.com>
5584 * doc/invoke.texi: Add cpu_type power6x
5585 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5586 * config.gcc: Add cpu_type power6x.
5587 * configure.ac: Add test for mf{t,f}gpr instructions.
5588 (HAVE_AS_MFPGPR): New.
5589 * config.in: Regenerate.
5590 * configure: Regenerate.
5591 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5592 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5593 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5594 and mftgpr attributes.
5595 (define_attr "cpu"): Add power6.
5596 Change instruction sequences to use new attributes.
5597 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5598 (fix_truncdfsi2_mfpgpr): New.
5599 (floatsidf_ppc64_mfpgpr): New.
5600 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5601 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5602 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5603 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5604 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5605 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5606 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5607 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5608 cntlz,exts and var_delayed_compare.
5609 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5610 _ARCH_PWR6X, if features enabled.
5611 * config/rs6000/rs6000.opt (mmfpgpr): New.
5612 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5613 (cached_can_issue_more): New variable.
5614 (processor_costs): Add power6_cost.
5615 (rs6000_sched_init): New function.
5616 (is_dispatch_slot_restricted): Deleted.
5617 (set_to_load_agen): New function.
5618 (is_load_insn,is_store_insn): New functions.
5619 (adjacent_mem_locations): New function.
5620 (insn_must_be_first_in_group): New function.
5621 (insn_must_be_last_in_group): New function.
5622 (rs6000_sched_reorder): New function.
5623 (rs6000_sched_reorder2): New function.
5624 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5625 TARGET_SCHED_REORDER2): Define.
5626 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5627 Add power6x. Add MASK_MFPGPR for power6x.
5628 (POWERPC_MASKS): Add MASK_MFPGPR.
5629 (rs6000_override_options): Set rs6000_always_hint to false
5630 for power6. Set rs6000_align_branch_targets. Replace
5631 rs6000_sched_groups check with rs6000_align_branch_targets.
5632 Use PROCESSOR_POWER6.
5633 (last_scheduled_insn): New variable.
5634 (load_store_pendulum): New variable.
5635 (rs6000_variable_issue): Set last_scheduled_insn and
5636 cached_can_issue_more.
5637 (rs6000_adjust_cost): Add power6 cost adjustments.
5638 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5639 with insn_must_be_first_in_group. Add power6 priority adjustments.
5640 (rs6000_issue_rate): Add CPU_POWER6.
5641 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5642 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5643 (TARGET_MFPGPR): New.
5644 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5645 (ASM_CPU_SPEC): Add power6x.
5646 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5648 * config/rs6000/power6.md: New file.
5650 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5652 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5653 HOST_WIDE_INT_PRINT to print high and low parts. Use
5654 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5655 printing a hexadecimal number prefix it with 0x.
5657 2006-11-01 Chris Johns <chris@contemporary.net.au>
5660 * Makefile.in (install-driver): Use exeext when installing
5661 $target-gcc-$version.
5663 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5665 * c-common.c (flag_cpp0x): New.
5666 * c-common.h (flag_cpp0x): New.
5667 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5668 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5669 * c-opts.c (set_std_cxx0x): New.
5670 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5671 * c.opt (std=c++0x): Document.
5672 (std=gnu++0x): Ditto.
5673 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5674 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5676 2006-11-01 Richard Guenther <rguenther@suse.de>
5678 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5680 (ix86_expand_floorceildf_32): Likewise.
5681 (ix86_expand_floorceil): Likewise.
5682 (ix86_expand_trunc): Likewise.
5684 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5686 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5689 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5691 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5693 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5695 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5697 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5698 * configure.ac (use_cxa_atexit): As a special case, don't test
5699 for libc definition of __cxa_atexit on mingw32
5700 * configure: Regenerate.
5701 * config.gcc (i[34567]86-pc-mingw32): Default to
5702 enable__cxa_atexit=yes.
5704 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5706 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5708 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5711 * c-decl.c (start_struct): Don't create self-containing
5713 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5715 * config/rs6000/rs6000-protos.h
5716 (darwin_rs6000_special_round_type_align): New.
5717 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5718 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5720 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5722 * toplev.c (compile_file): Call final_write_globals
5723 even if there have been errors.
5725 2006-10-31 Eric Christopher <echristo@apple.com>
5726 Falk Hueffner <falk@debian.org>
5728 * doc/extend.texi (__builtin_bswap32): Document.
5729 (__builtin_bswap64): Ditto.
5730 * doc/libgcc.texi (bswapsi2): Document.
5732 * doc/rtl.texi (bswap): Document.
5733 * optabs.c (expand_unop): Don't widen a bswap.
5734 (init_optabs): Init bswap. Set libfuncs explicitly
5735 for bswapsi2 and bswapdi2.
5736 * optabs.h (OTI_bswap): New.
5737 (bswap_optab): Ditto.
5738 * genopinit.c (optabs): Handle bswap_optab.
5739 * tree.h (tree_index): Add TI_UINT32_TYPE and
5741 (uint32_type_node): New.
5742 (uint64_type_node): Ditto.
5743 * tree.c (build_common_tree_nodes_2): Initialize
5744 uint32_type_node and uint64_type_node.
5745 * builtins.c (expand_builtin_bswap): New.
5746 (expand_builtin): Call.
5747 (fold_builtin_bswap): New.
5748 (fold_builtin_1): Call.
5749 * fold-const.c (tree_expr_nonnegative_p): Return true
5751 * builtin-types.def (BT_UINT32): New.
5753 (BT_FN_UINT32_UINT32): Ditto.
5754 (BT_FN_UINT64_UINT64): Ditto.
5755 * builtins.def (BUILT_IN_BSWAP32): New.
5756 (BUILT_IN_BSWAP64): Ditto.
5757 * rtl.def (BSWAP): New.
5758 * genattrtab.c (check_attr_value): New.
5759 * libgcc2.c (__bswapSI2): New.
5760 (__bswapDI2): Ditto.
5761 * libgcc2.h (__bswapSI2): Declare.
5762 (__bswapDI2): Ditto.
5763 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5764 * simplify-rtx.c (simplify_const_unary_operation): Return
5766 * libgcc-std.ver (__bwapsi2): Add.
5767 (__bswapdi2): Ditto.
5768 * reload1.c (eliminate_regs_1): Add bswap.
5769 (elimination_effects): Ditto.
5770 * config/i386/i386.h (x86_bswap): New.
5771 (TARGET_BSWAP): Use.
5772 * config/i386/i386.c (x86_bswap): Set.
5774 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5776 * coverage.c (coverage_checksum_string): Update comment.
5777 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5778 of get_file_function_name.
5779 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5780 of get_file_function_name_long.
5781 * tree.c (get_file_function_name): Rename from
5782 get_file_function_name_long; improve comment; handle 'I' and 'D'
5783 specially when the target has ctor/dtor support; remove special
5785 (get_file_function_name): Remove.
5786 * tree.h (get_file_function_name): Rename from
5787 get_file_function_name_long.
5788 (get_file_function_name): Remove prototype.
5790 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5792 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5793 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5795 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5796 Call dsymutil when compiling and linking one or more source files
5799 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5802 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5804 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5806 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5807 inline static functions in c99 mode.
5810 * doc/extend.texi (Inline): Update.
5811 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5812 * c-decl.c (current_extern_inline): Delete.
5813 (pop_scope): Adjust test for an undefined nested function.
5814 Add warning about undeclared inline function.
5815 (diagnose_mismatched_decls): Update comments. Disallow overriding
5816 of inline functions in a translation unit in C99. Allow inline
5817 declarations in C99 at any time.
5818 (merge_decls): Boolize variables. Handle C99 'extern inline'
5820 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5821 C99 inline semantics.
5822 (start_function): Don't clear current_extern_inline. Don't set
5824 (c_push_function_context): Don't push current_extern_inline.
5825 (c_pop_function_context): Don't restore current_extern_inline.
5828 * c-typeck.c (build_external_ref): Warn about static variables
5829 used in extern inline functions.
5830 * c-decl.c (start_decl): Warn about static variables declared
5831 in extern inline functions.
5833 2006-10-31 Roger Sayle <roger@eyesopen.com>
5836 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5837 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5838 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5839 or y is an even integer.
5841 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5844 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5845 * gthr-posix95.h (__gthread_active_p): Likewise.
5847 2006-10-31 Richard Guenther <rguenther@suse.de>
5849 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5850 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5851 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5852 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5853 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5854 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5855 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5856 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5859 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5861 * opts.c (decode_options): Disable CSE skip blocks.
5863 2006-10-30 Dirk Mueller <dmueller@suse.de>
5865 * c-common.h (strict_aliasing_warning): Fix whitespace.
5866 * c-decl (start_function): Move code for main decl warning ..
5867 * c-common.c (check_main_parameter_types): .. here.
5868 * c-common.h (check_main_parameter_types): Declare.
5870 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5873 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5875 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5877 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5878 be a PARALLEL containing sets. Return false when out_pat is not
5881 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5883 * config/mips/mips.md (mul<mode>3): Split into...
5884 (mulsi3, muldi3): ...these separate patterns.
5886 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5888 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5889 but with each set of options separated by spaces.
5891 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5893 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5894 dwarf_reg_size_table has been initialized.
5896 2006-10-30 Roger Sayle <roger@eyesopen.com>
5898 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5899 * ddg.c (print_ddg_edge): Likewise.
5900 * dwarf2out.c (prune_unused_types_walk): Likewise.
5901 * ifcvt.c (noce_try_cmove_arith): Likewise.
5902 * langhooks.c (add_builtin_function): Likewise.
5903 * reg-stack.c (subst_stack_regs_pat): Likewise.
5904 * tree.c (expanded_location): Likewise.
5905 * tree-dump.c (dequeue_and_dump): Likewise.
5907 2006-10-30 David Daney <ddaney@avtrex.com>
5909 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5911 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5913 PR tree-optimization/29637
5914 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5915 of the innertype is the innertype itself.
5917 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5919 * dwarf2out.c (file_name_acquire): Correct typo.
5921 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5923 * tree.h (tree_value_handle): Remove struct value_set declaration.
5924 Change value_set to bitmap_set.
5925 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5926 * tree-vn.c (get_value_handle): Made inline and moved to
5928 * tree-flow-inline.h: (has_stmt_ann): New function.
5929 * tree-ssa-pre.c (expressions): New variable.
5930 (next_expression_id): Ditto.
5931 (alloc_expression_id): New function.
5932 (struct value_set): Remove.
5933 (get_expression_id): New function.
5934 (get_or_alloc_expression_id): Ditto.
5935 (expression_for_id): Ditto.
5936 (clear_expression_ids): Ditto.
5937 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5938 (bb_value_sets): Renamed to bb_bitmap_sets.
5939 All value sets replaced with bitmap_sets.
5941 (BB_VISITED): New macro.
5942 (postorder): New variable.
5943 (add_to_value): Removed.
5944 (value_exists_in_set_bitmap): Ditto.
5945 (value_insert_into_set_bitmap): Ditto.
5948 (set_remove): Ditto.
5949 (set_contains_value): Ditto.
5950 (insert_into_set): Ditto.
5952 (find_leader): Ditto.
5953 (bitmap_set_subtract_from_value_set): Ditto.
5954 (value_insert_into_set): Ditto.
5955 (print_value_set): Ditto.
5956 (debug_value_set): Ditto.
5957 (constant_expr_p): New function.
5958 (bitmap_remove_from_set): Ditto.
5959 (bitmap_insert_into_set): Ditto.
5960 (bitmap_set_free): Ditto.
5961 (vh_compare): Ditto.
5962 (sorted_array_from_bitmap_set): Ditto.
5963 (bitmap_set_subtract): Ditto.
5964 (bitmap_set_equal): Ditto.
5965 (debug_bitmap_set): Ditto.
5966 (find_leader_in_sets): Ditto.
5967 (bitmap_set_replace_value): Modify for bitmapped sets.
5968 (phi_translate): Ditto.
5969 (phi_translate_set): Ditto.
5970 (bitmap_find_leader): Ditto.
5971 (valid_in_sets): Ditto.
5972 (union_contains_value): Ditto.
5974 (compute_antic_aux): Ditto. Mark changed blocks.
5975 (compute_antic): Ditto. Iterate in postorder and only over
5977 (compute_rvuse_and_antic_safe): Reuse postorder.
5978 (create_component_ref_by_pieces): Modify for bitmapped sets.
5979 (find_or_generate_expression): Ditto.
5980 (create_expression_by_pieces): Ditto.
5981 (insert_into_preds_of_block): Ditto.
5982 (changed_blocks): New variable.
5983 (do_regular_insertion): Broken out from insert_aux.
5984 (insert_aux): Modified for bitmapped sets.
5985 (find_existing_value_expr): New function.
5986 (create_value_expr_from): Use it.
5987 (insert_extra_phis): Removed.
5988 (print_bitmap_set): Renamed from bitmap_print_value_set.
5989 (compute_avail): Handle RETURN_EXPR.
5990 (init_pre): Modify for bitmapped sets.
5991 * tree-flow.h (has_stmt_ann): New function.
5993 2006-10-29 Roger Sayle <roger@eyesopen.com>
5995 * builtins.c (fold_builtin_floor): Check for the availability of
5996 the C99 trunc function before transforming floor into trunc.
5998 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6000 * builtins.c (fold_builtin_hypot): Rearrange recursive
6001 transformation before others, and also do ABS_EXPR. When
6002 necessary, check flag_unsafe_math_optimizations. When necessary,
6005 2006-10-29 Roger Sayle <roger@eyesopen.com>
6007 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6008 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6009 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6010 Fold -X eq/ne -Y as X eq/ne Y.
6012 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6014 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6015 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6016 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6017 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6018 Use an inclusive test for "mult" rather than "mul".
6019 (rotr<mode>3): Depend on ISA_HAS_ROR.
6020 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6022 (GENERATE_MULT3_DI): Delete.
6023 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6024 (ISA_HAS_MUL3): New macro.
6025 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6026 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6027 (ISA_HAS_CLZ_CLO): Likewise.
6028 (ISA_HAS_DCLZ_DCLO): Delete.
6029 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6030 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6031 the VR4120 and VR4130.
6032 (ISA_HAS_MACCHI): Use consistent formatting.
6033 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6034 (ISA_HAS_ROR): ...this new macro.
6035 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6036 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6037 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6039 2006-10-29 Roger Sayle <roger@eyesopen.com>
6041 PR tree-optimization/15458
6042 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6045 2006-10-29 Richard Guenther <rguenther@suse.de>
6047 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6048 (ix86_expand_truncdf_32): Likewise.
6049 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6050 trunc inline for SSE math and -fno-trapping-math and if not
6051 optimizing for size.
6052 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6053 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6054 for expanding btrunc inline for SSE math.
6056 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6058 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6059 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6060 i[34567]86-*-solaris2.1[0-9]*.
6061 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6062 Define conditionally depending on TARGET_64BIT_DEFAULT.
6063 (SPEC_32, SPEC_64): Define.
6064 (LINK_SPEC): Use them.
6065 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6067 2006-10-29 Richard Guenther <rguenther@suse.de>
6069 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6070 (ix86_expand_rounddf_32): Likewise.
6071 * config/i386/i386.c (ix86_expand_round): New function expanding
6072 round inline for SSE math and -fno-trapping-math and if not
6073 optimizing for size.
6074 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6075 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6076 round via ix86_expand_round.
6078 2006-10-29 Richard Guenther <rguenther@suse.de>
6080 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6081 (ix86_expand_floorceildf_32): Likewise.
6082 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6083 static helper function.
6084 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6086 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6087 * config/i386/i386.md (floordf2): Adjust to enable floor
6088 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6089 -fno-trapping-math is enabled and if not optimizing for size.
6090 (floorsf2, ceildf2, ceilsf2): Likewise.
6091 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6092 (sse2_maskcmpdf3): Likewise.
6094 2006-10-29 Richard Guenther <rguenther@suse.de>
6096 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6097 rint in case -fno-trapping-math is enabled.
6098 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6099 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6100 (ix86_expand_sse_fabs): Likewise.
6101 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6102 * config/i386/i386.md (rintdf2): Enable for SSE math if
6103 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6104 (rintsf2): Likewise.
6106 2006-10-29 Richard Guenther <rguenther@suse.de>
6108 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6109 to conversion optabs.
6110 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6111 as conversion optab.
6112 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6113 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6114 (lfloor_optab, lceil_optab): Adjust defines.
6115 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6116 lfloor and lceil optabs now being conversion optabs.
6117 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6118 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6119 New static helper function.
6120 (ix86_expand_lfloorceil): New function to expand lfloor and
6122 * config/i386/i386.md (lfloor<mode>2): Split into ...
6123 (lfloorxf<mode>2): ... x87 variant
6124 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6125 using ix86_expand_lfloorceil.
6126 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6128 * doc/md.texi (lfloorMN, lceilMN): Document.
6130 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6132 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6133 -mno-shared assembler option on mips targets.
6134 * configure, config.in: Regenerate.
6135 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6136 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6137 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6139 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6141 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6142 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6144 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6146 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6147 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6150 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6153 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6154 (fold_builtin_pow): Evaluate constant arguments at compile-time
6156 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6157 (do_mpfr_ckconv): New helper function.
6158 (do_mpfr_arg1): Use do_mpfr_ckconv.
6159 (do_mpfr_arg2): New.
6161 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6164 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6165 (-fdump-rtl-sched): Rename to ..
6166 (-fdump-rtl-sched1): here. Also fix file extension number.
6168 2006-10-28 Richard Guenther <rguenther@suse.de>
6170 * fold-const.c (maybe_canonicalize_comparison): Fix code
6173 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6175 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6176 (NON_QI_REG_P): Use IN_RANGE.
6177 (REX_INT_REGNO_P): Use IN_RANGE.
6178 (FP_REGNO_P): Use IN_RANGE.
6179 (SSE_REGNO_P): Use IN_RANGE.
6180 (REX_SSE_REGNO_P): Use IN_RANGE.
6181 (MMX_REGNO_P): Use IN_RANGE.
6182 (STACK_REGNO_P): New macro.
6183 (STACK_REG_P): Use STACK_REGNO_P.
6184 (NON_STACK_REG_P): Use STACK_REGNO_P.
6185 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6186 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6187 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6188 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6189 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6191 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6193 * except.h (output_function_exception_table): Add 'const char*' param.
6194 * except.c (switch_to_exception_section): Add 'const char*' param.
6195 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6196 and flag_function_sections is set, use a function-specific section.
6197 (output_function_exception_table): Add 'const char*' param.
6198 Adjust call to switch_to_exception_section.
6199 * final.c (rest_of_handle_final): Adjust calls to
6200 output_function_exception_table.
6201 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6202 * config.in: Regenerate.
6203 * configure: Likewise.
6205 2006-10-28 Richard Guenther <rguenther@suse.de>
6208 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6209 for maybe_canonicalize_comparison.
6210 (maybe_canonicalize_comparison): New function for canonicalizing
6212 (fold_comparison): Call it to canonicalize comparisons with
6215 2006-10-28 Richard Guenther <rguenther@suse.de>
6218 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6219 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6220 (expand_builtin): Adjust likewise.
6221 * genopinit.c (optabs[]): Add lround optab.
6222 * optabs.c (init_optabs): Initialize lround_optab.
6223 * optabs.h (enum convert_optab_index): Add COI_lround.
6224 (lround_optab): Define.
6225 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6226 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6228 (ix86_expand_lround): New function.
6229 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6231 * doc/md.texi (lroundMN2): Document.
6233 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6236 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6237 argument to HOST_WIDE_INT. Update function prototype.
6238 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6239 "size" argument to HOST_WIDE_INT. Update function prototype.
6241 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6243 * config/i386/i386.c (output_387_ffreep): Create output from a
6244 template string for !HAVE_AS_IX86_FFREEP.
6246 2006-10-27 Eric Christopher <echristo@apple.com>
6248 * config/darwin.c: Fix formatting and grammar.
6250 2006-10-27 Jan Hubicka <jh@suse.cz>
6252 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6253 to be thrown away soon when IGNORE is set.
6254 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6255 indicating when return value shall not be computed.
6256 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6258 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6260 * config/i386/i386.h (TARGET_GEODE):
6261 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6262 (TARGET_CPU_DEFAULT_geode): New macro.
6263 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6264 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6265 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6266 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6267 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6269 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6270 (processor_type): Add PROCESSOR_GEODE.
6272 * config/i386/i386.md: Include geode.md.
6275 * config/i386/i386.c (geode_cost): New initialized global
6277 (m_GEODE, m_K6_GEODE): New macros.
6278 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6279 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6280 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6281 x86_schedule): Use m_K6_GEODE instead of m_K6.
6282 (x86_movx, x86_cmove): Set up m_GEODE.
6283 (x86_integer_DFmode_moves): Clear m_GEODE.
6284 (processor_target_table): Add entry for geode.
6285 (processor_alias_table): Ditto.
6287 * config/i386/geode.md: New file.
6289 * doc/invoke.texi: Add entry about geode processor.
6291 2006-10-27 Mike Stump <mrs@apple.com>
6293 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6294 __DYNAMIC__ from here back to ...
6295 * config/darwin.h (CPP_SPEC): ... here.
6297 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6298 Nathan Sidwell <nathan@codesourcery.com>
6300 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6301 when choosing the minimum heapsize.
6303 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6305 * gcc/unwind-dw2.h: Move cfa-related variables into
6306 struct frame_state_reg_info to ensure that the CFA is properly
6307 handled when executing DW_CFA_{remember,restore}_state.
6308 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6309 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6310 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6311 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6312 gcc/config/rs6000/linux-unwind.h,
6313 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6314 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6315 Modify to use new cfa_* fields.
6317 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6319 * config/s390/s390.c (s390_init_frame_layout): Check positive
6322 2006-10-26 Ben Elliston <bje@au.ibm.com>
6324 * gimplify.c (get_name): Remove extraneous break.
6325 (gimplify_omp_for): Initialise ret with GS_OK.
6327 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6329 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6330 Add unix98.o to link line.
6332 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6335 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6336 Calculate compile-time constants using MPFR.
6337 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6338 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6340 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6342 * config/xtensa/lib2funcs.S: Use C-style comments.
6344 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6346 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6347 (file_table_relative_p): Likewise.
6348 (dwarf2out_finish): Likewise.
6349 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6351 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6353 * tree-ssa-structalias.c (intra_create_variable_infos):
6354 Don't recreate nonlocal_all if it already exists.
6356 2006-10-25 Richard Guenther <rguenther@suse.de>
6359 * optabs.h (enum optab_index): Remove OTI_lrint.
6360 (enum convert_optab_index): Add COI_lrint.
6361 (lrint_optab): Adjust.
6362 (expand_sfix_optab): Declare.
6363 * optabs.c (expand_sfix_optab): New function.
6364 (init_optabs): Init lrint_optab as conversion optab.
6365 * genopinit.c (lrint_optab): Change to a conversion optab.
6366 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6367 expansion via conversion optab.
6368 * config/i386/i386.md (*fistdi2_1): Remove
6369 flag_unsafe_math_optimizations guard.
6370 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6371 fist<mode>2_with_temp): Likewise.
6372 (lrint<mode>2): Split into...
6373 (lrintxf<mode>2): ... x87 part
6374 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6375 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6376 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6377 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6378 * doc/md.texi (lrintMN2): Document.
6380 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6383 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6384 Use inc and dec instructions for TARGET_USE_INCDEC.
6385 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6386 ("sync_double_compare_and_swap<mode>"): Likewise.
6387 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6388 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6389 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6390 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6391 ("sync_old_add<mode>"): Likewise.
6392 ("sync_lock_test_and_set<mode>"): Likewise.
6393 ("sync_lock_test_and_set<mode>"): Likewise.
6394 ("sync_add<mode>"): Likewise.
6395 ("sync_sub<mode>"): Likewise.
6396 ("sync_ior<mode>"): Likewise.
6397 ("sync_and<mode>"): Likewise.
6398 ("sync_xor<mode>"): Likewise.
6400 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6402 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6403 (remainder_optab): Define corresponding macro.
6404 (drem_optab): Remove.
6405 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6406 drem_optab initialization.
6407 * genopinit.c (optabs): Implement remainder_optab using
6408 remainder?f3 patterns. Remove drem_optab.
6409 * builtins.c (expand_builtin_mathfn_2): Handle
6410 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6411 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6412 expand_builtin_mathfn_2.
6414 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6415 depend on flag_unsafe_math_optimizations.
6417 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6418 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6419 Do not depend on flag_unsafe_math_optimizations. Use
6420 truncxf?f expander instead of truncxf?f_i387_noop.
6422 ("fpremxf4", "fprem1xf4"): Do not depend on
6423 flag_unsafe_math_optimizations.
6424 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6425 flag_unsafe_math_optimizations. Use truncxf?f expander
6426 instead of truncxf?f_i387_noop.
6428 * doc/md.texi (fmod, remainder): Document standard named pattern.
6430 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6431 David Daney <ddaney@avtrex.com>
6434 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6436 2006-10-25 Ben Elliston <bje@au.ibm.com>
6438 * doc/extend.texi (Variable Attributes): Typo fix.
6440 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6442 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6443 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6444 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6445 (FRAME_POINTER_REGNUM): Update register number to 21.
6446 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6447 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6449 * config/i386/i386.c (regclass_map): Add fpcr entry.
6450 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6452 (print_reg): Assert REGNO (x) != FPCR_REG.
6454 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6455 (DIRFLAG_REG): Renumber.
6456 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6457 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6458 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6459 hardcoded SSE register numbers.
6461 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6462 hardcoded MMX register numbers.
6464 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6467 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6468 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6470 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6471 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6472 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6473 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6475 2006-10-24 Richard Guenther <rguenther@suse.de>
6478 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6479 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6480 for deciding optimizations in consistency with fold-const.c
6481 (fold_builtin_unordered_cmp): Likewise.
6483 2006-10-24 Richard Guenther <rguenther@suse.de>
6485 * builtins.c (fold_builtin_floor): Fold floor (x) where
6486 x is nonnegative to trunc (x).
6487 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6488 nonnegative to FIX_TRUNC_EXPR.
6490 2006-10-24 Richard Guenther <rguenther@suse.de>
6492 PR tree-optimization/29567
6493 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6494 for TRUTH_NOT_EXPR. Clarify comments.
6496 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6499 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6500 at compile-time using MPFR. Change parameter VALUE to FUNC,
6502 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6503 for overflow and underflow at all times and avoid folding in
6506 2006-10-24 Ben Elliston <bje@au.ibm.com>
6508 * reload1.c: Formatting fixes.
6510 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6512 PR tree-optimization/14784
6513 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6514 * tree-ssa-structalias.c (get_constraint_for,
6515 intra_create_variable_infos): Set is_heapvar.
6516 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6517 non-heapvar pointer variables specially.
6519 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6522 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6523 fold_builtin_tan): Fold all constant arguments. Take a "type"
6524 argument as necessary.
6525 (do_mpfr_arg1): New.
6526 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6528 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6530 * config/xtensa/lib1funcs.asm: Use C-style comments.
6532 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6534 * tree.c (local_define_builtin): Replace calls to
6535 lang_hooks.builtin_function with add_builtin_function.
6536 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6538 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6540 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6541 common code to add_builtin_function.
6542 * langhooks.c (add_builtin_function): New function.
6543 (lhd_builtin_function): New function.
6544 * langhooks.h (struct lang_hooks): Change the signature of
6546 (add_builtin_function): New function.
6547 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6548 calls to lang_hooks.builtin_function with add_builtin_function.
6549 * c-common.c (decl_builtin_1): Replace calls to
6550 lang_hooks.builtin_function with add_builtin_function.
6551 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6552 lang_hooks.builtin_function with add_builtin_function.
6553 * config/frv/frv.c (def_builtin): Replace calls to
6554 lang_hooks.builtin_function with add_builtin_function.
6555 * config/s390/s390.c (s390_init_builtins): Replace calls to
6556 lang_hooks.builtin_function with add_builtin_function.
6557 * config/sparc/sparc.c (def_builtin): Replace calls to
6558 lang_hooks.builtin_function with add_builtin_function.
6559 * config/i386/i386.c (def_builtin): Replace calls to
6560 lang_hooks.builtin_function with add_builtin_function.
6561 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6562 lang_hooks.builtin_function with add_builtin_function.
6563 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6564 lang_hooks.builtin_function with add_builtin_function.
6565 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6566 Replace calls to lang_hooks.builtin_function with
6567 add_builtin_function.
6568 * config/iq2000/iq2000.c (def_builtin):
6569 Replace calls to lang_hooks.builtin_function with
6570 add_builtin_function.
6571 * config/ia64/ia64.c (def_builtin): Replace calls to
6572 lang_hooks.builtin_function with add_builtin_function.
6573 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6574 lang_hooks.builtin_function with add_builtin_function.
6575 (altivec_init_builtins): Replace calls to
6576 lang_hooks.builtin_function with add_builtin_function.
6577 * config/arm/arm.c (def_mbuiltin): Replace calls to
6578 lang_hooks.builtin_function with add_builtin_function.
6579 (arm_init_tls_builtins): Replace calls to
6580 lang_hooks.builtin_function with add_builtin_function.
6581 * config/mips/mips.c (mips_init_builtins): Replace calls to
6582 lang_hooks.builtin_function with add_builtin_function.
6583 * config/bfin/bfin.c (def_builtin): Replace calls to
6584 lang_hooks.builtin_function with add_builtin_function.
6585 * langhooks-def.h (lhd_builtin_function): New function.
6586 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6588 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6590 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6591 BUILT_IN_STRNCAT_CHK.
6593 2006-10-23 Jan Hubicka <jh@suse.cz>
6595 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6596 don't do conversion from memmove to memcpy here.
6597 (expand_builtin_bcopy, expand_builtin): Update call of
6598 expand_builtin_memmove.
6599 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6601 2006-10-23 Paul Brook <paul@codesourcery.com>
6603 * stor-layout.c (start_record_layout): maximum_field_alignment
6604 overrides STRUCTURE_SIZE_BOUNDARY.
6606 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6608 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6609 nonlocal function symbols if flag_pic.
6611 2006-10-23 Richard Guenther <rguenther@suse.de>
6615 * builtins.c (fold_binary): Remove checks for flag_wrapv
6616 and flag_trapv where negate_expr_p covers these cases.
6618 2006-10-23 Richard Guenther <rguenther@suse.de>
6621 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6622 of two on the absolute value.
6623 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6624 and negating -C does not overflow.
6626 2006-10-23 Richard Guenther <rguenther@suse.de>
6629 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6630 only if not flag_rounding_math.
6632 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6633 Kaz Kojima <kkojima@gcc.gnu.org>
6636 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6637 SImode memory reference for the source of a movua.
6638 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6639 (movua): Use an unspec instead of sign_extract. Expect the source
6640 to have mode BLKmode.
6641 (extv, insv): Use a BLKmode rather than SImode memory reference
6642 for the source of a movua.
6644 2006-10-22 Jeff Law <law@redhat.com>
6645 Richard Guenther <rguenther@suse.de>
6647 PR tree-optimization/15911
6648 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6649 (register_edge_assert_for_1): Likewise.
6650 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6651 (find_conditional_asserts): Adjust for new function signature.
6652 (find_assert_locations): Likewise.
6654 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6656 * config/i386/tmmintrin.h: Remove the duplicated content.
6658 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6660 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6661 (x86_64-*-*): Likewise.
6663 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6664 (override_options): Check SSSE3.
6665 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6666 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6667 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6668 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6669 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6670 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6671 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6672 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6673 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6674 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6675 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6676 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6677 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6678 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6679 IX86_BUILTIN_PABSD128.
6680 (bdesc_2arg): Add SSSE3.
6681 (bdesc_1arg): Likewise.
6682 (ix86_init_mmx_sse_builtins): Support SSSE3.
6683 (ix86_expand_builtin): Likewise.
6684 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6686 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6687 (UNSPEC_PSIGN): Likewise.
6688 (UNSPEC_PALIGNR): Likewise.
6689 Include mmx.md before sse.md.
6691 * config/i386/i386.opt: Add -mssse3.
6693 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6694 (ssse3_phaddwv4hi3): Likewise.
6695 (ssse3_phadddv4si3): Likewise.
6696 (ssse3_phadddv2si3): Likewise.
6697 (ssse3_phaddswv8hi3): Likewise.
6698 (ssse3_phaddswv4hi3): Likewise.
6699 (ssse3_phsubwv8hi3): Likewise.
6700 (ssse3_phsubwv4hi3): Likewise.
6701 (ssse3_phsubdv4si3): Likewise.
6702 (ssse3_phsubdv2si3): Likewise.
6703 (ssse3_phsubswv8hi3): Likewise.
6704 (ssse3_phsubswv4hi3): Likewise.
6705 (ssse3_pmaddubswv8hi3): Likewise.
6706 (ssse3_pmaddubswv4hi3): Likewise.
6707 (ssse3_pmulhrswv8hi3): Likewise.
6708 (ssse3_pmulhrswv4hi3): Likewise.
6709 (ssse3_pshufbv16qi3): Likewise.
6710 (ssse3_pshufbv8qi3): Likewise.
6711 (ssse3_psign<mode>3): Likewise.
6712 (ssse3_psign<mode>3): Likewise.
6713 (ssse3_palignrti): Likewise.
6714 (ssse3_palignrdi): Likewise.
6715 (abs<mode>2): Likewise.
6716 (abs<mode>2): Likewise.
6718 * config/i386/tmmintrin.h: New file.
6720 * doc/extend.texi: Document SSSE3 built-in functions.
6722 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6724 2006-10-22 Ira Rosen <irar@il.ibm.com>
6726 * tree-vect-transform.c (vectorizable_load): Use the type of the
6727 return value of the mask_for_load builtin to create realign_load
6730 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6732 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6735 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6737 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6738 (UNSPEC_LDDQU): This.
6739 * config/i386/sse.md (sse3_lddqu): Updated.
6741 2006-10-21 Richard Guenther <rguenther@suse.de>
6743 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6744 (expand_builtin): Use it to expand lrint instead of
6745 expand_builtin_mathfn.
6747 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6750 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6751 flag_unsafe_math_optimizations is set.
6753 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6756 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6757 patterns to use memory input operand in x87->mem->XMM
6758 reload sequences. Skip transformation for TARGET_K8.
6760 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6762 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6763 force operand1 to register if both operands are memory operands.
6764 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6765 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6766 if both operands are memory operands.
6767 (truncdfsf2): Do not force operand1 to register if both operands
6768 are memory operands.
6770 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6772 * Makefile.in (LIBS): Add $(GMPLIBS).
6773 * doc/install.texi: Update GMP and MPFR requirements.
6774 * doc/sourcebuild.texi (need_gmp): Delete.
6776 2006-10-21 Richard Guenther <rguenther@suse.de>
6778 PR tree-optimization/3511
6779 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6780 got new invariant arguments during PHI translation.
6782 2006-10-21 Richard Guenther <rguenther@suse.de>
6785 * fold-const.c (fold_comparison): Fold signed comparisons
6786 of the form X +- C1 CMP Y +- C2.
6788 2006-10-21 Richard Guenther <rguenther@suse.de>
6791 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6792 if flag_unsafe_math_optimizations is specified. We have
6793 flag_finite_math_only for that.
6794 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6795 or flag_unsafe_math_optimizations.
6797 2006-10-21 Richard Guenther <rguenther@suse.de>
6799 * builtins.c (fold_builtin_classify): Fix typo.
6801 2006-10-21 Richard Guenther <rguenther@suse.de>
6804 * simplify-rtx.c (simplify_const_relational_operation):
6805 Do not constant-fold ORDERED and UNORDERED for
6806 flag_unsafe_math_optimizations but only we do not need to
6807 honor NaNs for the given mode.
6809 2006-10-21 Richard Guenther <rguenther@suse.de>
6812 * config/i386/i386.c (classify_argument): Remove redundant
6813 walking of the BINFOs.
6814 (contains_128bit_aligned_vector_p): Likewise.
6816 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6818 * BASE-VER: Set to 4.3.0.
6820 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6822 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6823 (tree_decl_with_vis): Remove artificial_pta_var flag.
6824 * tree-flow.h (referenced_var_check_and_insert): Expose.
6825 (nonlocal_all): New prototype.
6826 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6827 (nonlocal_all): Make global.
6828 (nonlocal_lookup): Remove.
6829 (nonlocal_insert): Ditto.
6830 (create_nonlocal_var): Do not call nonlocal_insert.
6831 (get_nonlocal_id_for_type): Remove.
6832 (find_global_initializers): Mark new vars we find for renaming.
6833 (intra_create_variable_infos): Only create one nonlocal.
6834 (expand_nonlocal_solutions): Remove.
6835 (compute_points_to_sets): Don't call it.
6836 (ipa_pta_execute): Ditto.
6837 (init_alias_heapvars): Don't create nonlocal_for_type.
6838 (delete_alias_heapvars): Don't remove it.
6839 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6842 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6844 * doc/install.texi (Downloading GCC): Clarify mention of
6845 Fortran in the "full distribution" description.
6847 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6849 Fix PR tree-optimization/28778
6850 Fix PR tree-optimization/29156
6851 Fix PR tree-optimization/29415
6852 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6853 (tree_decl_with_vis): Add artificial_pta_var flag.
6854 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6855 pushed into callers.
6856 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6857 (nonlocal_all): Ditto.
6858 (struct variable_info): Add directly_dereferenced member.
6859 (var_escaped_vars): New variable.
6860 (escaped_vars_tree): Ditto.
6861 (escaped_vars_id): Ditto.
6862 (nonlocal_vars_id): Ditto.
6863 (new_var_info): Set directly_dereferenced.
6864 (graph_size): New variable
6865 (build_constraint_graph): Use graph_size.
6866 (solve_graph): Don't process constraints that cannot change the
6867 solution, don't try to propagate an empty solution to our
6869 (process_constraint): Set directly_dereferenced.
6870 (could_have_pointers): New function.
6871 (get_constraint_for_component_ref): Don't process STRING_CST.
6872 (nonlocal_lookup): New function.
6873 (nonlocal_insert): Ditto.
6874 (create_nonlocal_var): Ditto.
6875 (get_nonlocal_id_for_type): Ditto.
6876 (get_constraint_for): Allow results vector to be empty in the case
6877 of string constants.
6878 Handle results of calls properly.
6879 (update_alias_info): Update alias info stats on number and type of
6881 (find_func_aliases): Use could_have_pointers.
6882 (make_constraint_from_escaped): Renamed from
6883 make_constraint_to_anything, and changed to make constraints from
6885 (make_constraint_to_escaped): New function.
6886 (find_global_initializers): Ditto.
6887 (create_variable_info_for): Make constraint from escaped to any
6888 global variable, and from any global variable to the set of
6890 (intra_create_variable_infos): Deal with escaped instead of
6891 pointing to anything.
6892 (set_uids_in_ptset): Do type pruning on directly dereferenced
6894 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6895 (init_base_vars): Fix comment, and initialize escaped_vars.
6896 (need_to_solve): Removed.
6897 (find_escape_constraints): New function.
6898 (expand_nonlocal_solutions): Ditto.
6899 (compute_points_to_sets): Call find_escape_constraints and
6900 expand_nonlocal_solutions.
6901 (delete_points_to_sets): Don't fall off the end of the graph.
6902 (init_alias_heapvars): Initialize nonlocal_for_type and
6904 (delete_alias_heapvars): Free nonlocal_for_type and null out
6907 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6909 * fold-const.c (add_double): Rename to add_double_with_sign.
6910 Add 'unsigned_p' parameter and take it into account for the overflow.
6911 (mul_double): Rename to mul_double_with_sign.
6912 Add 'unsigned_p' parameter and take it into account for the overflow.
6913 (fold_div_compare): Call add_double_with_sign instead of add_double
6914 and mul_double_with_sign instead of mul_double, passing them the
6915 unsignedness of the type.
6916 * tree.h (add_double): Macroize.
6917 (add_double_with_sign): New prototype.
6918 (mul_double): Macroize.
6919 (mul_double_with_sign): New prototype.
6921 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6923 * config/score/crti.asm: New file.
6924 * config/score/crtn.asm: New file.
6925 * config/score/elf.h: New file.
6926 * config/score/mac.md: New file.
6927 * config/score/misc.md: New file.
6928 * config/score/mul-div.S: New file.
6929 * config/score/predicates.md: New file.
6930 * config/score/score7.md: New file.
6931 * config/score/score.c: New file.
6932 * config/score/score-conv.h: New file.
6933 * config/score/score.h: New file.
6934 * config/score/score.md: New file.
6935 * config/score/score-mdaux.c: New file.
6936 * config/score/score-mdaux.h: New file.
6937 * config/score/score-modes.def: New file.
6938 * config/score/score.opt: New file.
6939 * config/score/score-protos.h: New file.
6940 * config/score/score-version.h: New file.
6941 * config/score/t-score-elf: New file.
6942 * config.gcc: Add score*-*-* configurations(Update before).
6943 * doc/invoke.texi (Score Options): New section.
6944 * doc/md.texi (Score family): New section to document constraints.
6946 2006-10-19 Nick Clifton <nickc@redhat.com>
6948 * config/arm/arm.c: Fix spelling typo.
6950 2006-10-18 Tom Tromey <tromey@redhat.com>
6952 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6954 2006-10-18 Jan Hubicka <jh@suse.cz>
6957 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6960 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6962 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6963 TSI_SAME_STMT, since that's the desired entity.
6965 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6967 * config/s390/contraints.md: New file.
6968 * config/s390/s390-protos.h (s390_mem_constraint,
6969 s390_O_constraint_str, s390_N_constraint_str,
6970 s390_float_const_zero_p): Function prototypes added.
6971 * config/s390/s390.c (s390_extra_constraint_str,
6972 s390_const_double_ok_for_constraint_p,
6973 s390_const_ok_for_constraint_p): Functions removed.
6974 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6975 s390_float_const_zero_p): New functions.
6976 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6977 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6978 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6979 Macro definitions removed.
6980 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6981 s390_extra_constraint_str): Functions removed.
6983 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6984 Richard Sandiford <richard@codesourcery.com>
6987 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6988 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6990 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6992 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6993 (DWARF2_FRAME_REG_OUT): Likewise.
6994 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6995 (DWARF2_FRAME_REG_OUT): Likewise.
6997 2006-10-17 Paul Brook <paul@codesourcery.com>
6999 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7001 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7003 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7004 Standardize on "GNU Fortran" as the official name of the Fortran
7007 2006-10-16 Mike Stump <mrs@apple.com>
7009 * doc/invoke.texi (Darwin Options): Document -mkernel.
7010 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7012 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7013 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7014 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7015 (OS_MISSING_ALTIVEC): Add.
7016 * config/i386/i386.c (override_options): Add
7017 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7018 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7019 -mkernel, -static or -mdynamic-no-pic is given.
7020 (C_COMMON_OVERRIDE_OPTIONS): Add.
7021 * config/darwin.opt (fapple-kext): Add.
7023 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7024 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7026 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7027 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7028 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7029 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7030 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7031 (flag_mkernel): Add.
7032 (flag_apple_kext): Add.
7033 (TARGET_KEXTABI): Add.
7034 * config/darwin.c (darwin_handle_kext_attribute): Add.
7035 (DARWIN_VTABLE_P): Add.
7036 (darwin_binds_local_p): Add partial support for rebinding vtables
7038 (darwin_kextabi_p): Add.
7039 (darwin_override_options): Add.
7040 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7041 (darwin_kextabi_p): Add.
7042 (darwin_override_options): Add.
7043 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7044 __DYNAMIC__ and __STATIC__ here.
7046 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7048 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7049 Added mention of "make pdf" target, and Texinfo requirements for
7052 2006-10-16 DJ Delorie <dj@redhat.com>
7054 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7055 into the GOT in case we need a subreg of the address.
7057 2006-10-16 Richard Guenther <rguenther@suse.de>
7060 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7061 SSE builtin documentation. Document SSE2 builtins.
7063 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7065 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7066 symbol in the output file for non-shared links when -nostdlib or
7067 -nodefaultlibs isn't specified.
7069 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7070 posix thread support.
7072 2006-10-15 Jan Hubicka <jh@suse.cz>
7075 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7076 declared always_inline even when not inlining.
7078 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7079 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7080 Andrew Pinski <pinskia@gmail.com>
7083 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7085 2006-10-15 Jan Hubicka <jh@suse.cz>
7086 Richard Guenther <rguenther@suse.de>
7089 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7090 process_function_and_variable_attributes on all variables, including
7091 those discovered during cgraph construction phase.
7093 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7095 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7097 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7099 * config/i386/athlon.md (athlon_fist): Add fisttp.
7101 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7102 Ian Lance Taylor <ian@airs.com>
7105 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7106 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7109 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7111 * config/score/score.c, config/score/score.h: Fix comment
7114 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7117 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7120 2006-10-13 Eric Christopher <echristo@apple.com>
7122 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7124 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7127 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7128 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7129 alignment supported by 32-bit ELF.
7131 2006-10-13 Eric Christopher <echristo@apple.com>
7133 * config/darwin.c (darwin_emit_unwind_label): Strip
7134 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7136 2006-10-13 Richard Guenther <rguenther@suse.de>
7138 PR tree-optimization/29446
7139 * tree-vrp.c (fix_equivalence_set): Remove.
7140 (extract_range_from_assert): Do not call fix_equivalence_set.
7141 (debug_value_range): Print a newline.
7142 (compare_name_with_value): For equivalence sets with
7143 inconsistent value ranges conservatively bail out.
7144 (compare_names): Likewise.
7146 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7148 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7149 and MPFR for gfortran.
7151 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7153 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7154 alignment supported by 32-bit ELF.
7156 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7160 * c-typeck.c (digest_init): Always allow initializing vectors
7161 that have static storage duration with compound literals.
7162 * tree.c (build_type_attribute_qual_variant): New, based on
7163 build_type_attribute_variant.
7164 (build_type_attribute_variant): Rewrite using the former.
7165 (make_vector_type): Use build_type_attribute_qual_variant to build
7166 type variants. Use type_hash_canon on the others.
7168 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7169 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7171 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7173 2006-10-12 Jan Hubicka <jh@suse.cz>
7176 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7177 current_function_decl is set but current_function_scope is not.
7179 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7181 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7182 emit_insn to emit eh_return_internal instruction.
7183 (eh_return_internal): Explicitly set pc.
7185 2006-10-11 Richard Guenther <rguenther@suse.de>
7187 PR tree-optimization/28230
7188 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7189 to the correct place.
7191 2006-10-11 Richard Guenther <rguenther@suse.de>
7194 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7197 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7199 * configure.ac: Added pdf to "Make-hooks"
7200 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7201 targets and *.pdf file patterns in cleanup targets.
7202 * configure: Regenerated.
7204 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7206 * config/avr/predicates.md: New file.
7207 * config/avr/avr.md: Include it.
7208 (REG_SP): New constant.
7209 (peepholes): Use predicates.
7210 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7211 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7212 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7214 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7216 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7219 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7222 * builtins.c (var_decl_component_p): New function.
7223 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7224 single entry optimization to variables and components thereof.
7226 2006-10-10 Richard Guenther <rguenther@suse.de>
7228 PR rtl-optimization/29323
7229 * except.c (set_nothrow_function_flags): For functions
7230 that do not bind local bail out early.
7232 2006-10-10 Ben Elliston <bje@au.ibm.com>
7234 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7237 2006-10-09 Richard Henderson <rth@redhat.com>
7239 Revert emutls patch.
7241 2006-10-09 Richard Guenther <rguenther@suse.de>
7244 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7247 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7250 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7251 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7252 * configure: Regenerate.
7253 * config.in: Regenerate.
7255 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7257 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7259 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7261 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7262 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7263 Remove stray newline.
7265 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7267 * config/mips/mips.c (mips_classify_symbol): Do not return
7268 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7269 (mips_in_small_data_p): Tweak comments.
7271 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7273 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7275 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7277 * gimplify.c, sched-int.h: Fix comment typos.
7279 * sched-int.h: Fix comment typos.
7281 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7283 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7285 * sched-ebb.c (begin_schedule_ready): Use them.
7286 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7287 add_to_speculative_block, create_check_block_twin, speculate_insn,
7288 fix_jump_move, move_block_after_check): Ditto.
7289 * sched-rgn.c (new_ready): Ditto.
7291 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7293 PR rtl-optimization/29128
7294 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7295 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7296 allow interblock movement of speculation checks.
7298 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7301 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7302 casted to integer type.
7303 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7304 if they are significantly more expensive than [reg + index] ones.
7306 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7308 PR tree-optimization/29330
7309 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7310 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7311 on newly allocated ddrs.
7312 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7313 to VEC (loop_p, heap) pointer.
7314 (compute_data_dependences_for_loop): Adjust caller.
7315 (free_dependence_relations): Free DDR_LOOP_NEST.
7317 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7318 free DEPENDENCE_RELATIONS and DATAREFS.
7321 * builtins.c (expand_builtin_sync_operation,
7322 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7323 Use convert_to_mode to handle promoted arguments.
7325 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7327 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7329 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7331 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7333 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7335 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7336 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7337 Use <modeconstraint> instead of "r" as operand 1 constraint.
7339 2006-10-06 Olivier Hainque <hainque@adacore.com>
7341 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7342 Don't recurse on the pointed-to type.
7343 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7344 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7345 types with components of variable size.
7347 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7349 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7351 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7353 PR tree-optimization/29290
7354 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7358 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7359 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7362 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7363 the number of vector elements fill the rest with zeros.
7365 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7367 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7368 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7371 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7373 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7374 unnamed pattern into subsi3. Use correct constraints/predicates.
7375 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7376 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7378 2006-10-05 Ira Rosen <irar@il.ibm.com>
7380 * doc/loop.texi: Add data references analysis description.
7382 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7384 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7386 2006-10-04 Richard Henderson <rth@redhat.com>
7387 Jakub Jelinek <jakub@redhat.com>
7389 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7390 * builtin-types.def (BT_WORD): Make unsigned.
7391 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7392 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7393 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7394 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7395 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7396 * cgraph.c (decide_is_variable_needed): Look at force_output.
7397 Recurse for emulated tls.
7398 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7399 checks redundant with decide_is_variable_needed.
7400 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7401 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7403 * expr.c (emutls_var_address): New.
7404 (expand_expr_real_1): Expand emulated tls.
7405 (expand_expr_addr_expr_1): Likewise.
7406 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7407 * output.h (emutls_finish): Declare.
7408 * toplev.c (compile_file): Call it.
7409 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7410 address before wrapping in CONST.
7411 * varasm.c (emutls_htab, emutls_object_type): New.
7412 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7413 (get_emutls_object_name, get_emutls_object_type): New.
7414 (get_emutls_init_templ_addr, emutls_decl): New.
7415 (emutls_common_1, emutls_finish): New.
7416 (assemble_variable): When emulating tls, swap decls; generate
7417 constructor for the emutls objects.
7418 (do_assemble_alias): When emulating tls, swap decl and target name.
7419 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7421 * emutls.c: New file.
7422 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7423 tls_object for real tls.
7425 2006-10-04 Zack Weinberg <zackw@panix.com>
7427 Fix bug in constraint-check generator, reported by Rask Ingemann
7429 * genpreds.c (add_constraint): Don't remove anything from the
7431 (write_tm_constrs_h): Detect whether "op" argument is used, and
7432 mark it ARG_UNUSED if it isn't.
7433 (write_insn_const_int_ok_for_constraint): Skip the part of the
7434 expression that would test whether "op" (which is not available
7435 here) is a CONST_INT.
7437 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7440 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7442 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7444 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7445 current Leopard versions.
7446 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7448 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7450 * doc/install.texi: Fix typos.
7452 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7454 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7455 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7456 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7458 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7460 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7461 arg to be struct mach_header_64* instead.
7463 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7466 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7467 side effects after the outer expression's post side effects.
7469 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7471 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7472 comments to reflect actual behavior and relationship between
7473 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7475 * doc/c-tree.texi (Working with declarations): Fix documentation
7476 of FIELD_DECL likewise.
7478 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7481 * doc/extend.texi: Add used variable attribute description.
7483 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7486 * c.opt (Woverride-init): New.
7487 * c-opts.c (c_common_post_options): Default warn_override_init to
7489 * c-typeck.c (add_pending_init, output_init_element): Warn for
7490 overriding initializers without side effects.
7491 * doc/invoke.texi (-Woverride-init): Document.
7494 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7496 PR rtl-optimization/28096
7497 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7498 assignment has already been used as a destination earlier in the block.
7500 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7502 * builtins.c (expand_builtin_setjmp): Delete.
7503 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7504 <BUILT_IN_SETJMP_SETUP>: New case.
7505 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7506 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7507 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7508 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7509 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7510 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7511 (lower_function_body): Initialize it to false. If it is set to true
7512 at the end of the processing, emit the setjmp dispatcher.
7513 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7514 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7515 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7516 on the rhs of the assignment.
7517 (lower_builtin_setjmp): New function.
7518 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7519 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7520 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7521 to detect calls that can go to non-local labels. Use specific
7522 helper to create the abnormal edges associated with them.
7523 <MODIFY_EXPR>: Likewise.
7524 (make_abnormal_goto_edges): New function extracted from...
7525 (make_goto_expr_edges): ...here. Call it for computed gotos.
7526 (simple_goto_p): Minor tweak.
7527 (tree_can_make_abnormal_goto): New predicate.
7528 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7529 (tree_purge_dead_abnormal_call_edges): New function.
7530 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7531 (tree_purge_dead_abnormal_call_edges): Likewise.
7532 (make_abnormal_goto_edges): Likewise.
7533 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7534 Purge all dead abnormal edges if the call was in the last statement.
7535 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7536 (execute_fixup_cfg): If there are non-local labels in the function,
7537 scan the basic blocks and split them at calls that can go to non-local
7538 labels or add missing abnormal call edges. Write down the CFG in the
7540 (pass_fixup_cfg): Remove TODO_dump_func flag.
7541 * unwind-sjlj.c: Poison setjmp.
7542 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7543 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7544 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7545 (DONT_USE_BUILTIN_SETJMP): Document it.
7547 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7550 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7551 to 1 when __ppc64__ is defined.
7552 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7554 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7556 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7558 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7559 * config/ia64/unwind-hpux.c: Delete.
7561 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7563 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7564 on the element before gimplifying it, instead of punting if it is of
7567 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7569 * doc/loop.texi: New file.
7570 * doc/gccint.texi: Reference loop.texi.
7571 * Makefile.in (loop.texi): Add.
7573 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7575 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7577 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7578 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7580 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7582 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7584 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7586 * doc/install.texi: Document required versions of GMP and MPFR.
7588 2006-09-27 Paul Brook <paul@codesourcery.com>
7591 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7593 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7595 * reload1.c (alter_reg): Require the alignment of the stack slot to
7596 be at least reg_max_ref_width bytes.
7597 (scan_paradoxical_subregs): Record the largest width in
7600 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7604 * tree-nested.c (struct nesting_info): Added static_chain_added.
7605 (convert_call_expr): Set static_chain_added when adding static
7606 chain. Handle OMP_PARALLEL and OMP_SECTION.
7608 2006-09-25 Matthias Klose <doko@debian.org>
7610 * doc/invoke.texi: Add missing full stop.
7612 2006-09-25 Richard Henderson <rth@redhat.com>
7614 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7615 before cgraph_function_flags_ready.
7617 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7618 Adam Nemet <anemet@caviumnetworks.com>
7620 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7621 determine_common_wider_type): New functions.
7622 (get_computation_aff): Use them to simplify arithmetic between
7623 UBASE and CBASE if they are shortened from the same type.
7625 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7628 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7629 -2147483647 - 1 instead of 0x80000000.
7631 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7633 * flags.h (HONOR_NANS): Fix typo in comment.
7635 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7637 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7639 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7643 * tree.c (merge_attributes, attribute_list_contained): If both
7644 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7646 * c-typeck.c (comptypes_internal): Don't consider aggregates
7647 in different TUs as compatible if there one set of attributes is
7648 not a subset of the other type's attributes.
7649 (composite_type): Try harder not to create a new aggregate type.
7651 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7653 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7654 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7655 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7656 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7657 than replicating condition above.
7658 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7660 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7661 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7662 the linker by default.
7664 2006-09-22 Mike Stump <mrs@apple.com>
7666 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7669 2006-09-22 Richard Guenther <rguenther@suse.de>
7672 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7673 sort of stack variables stable.
7675 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7678 * explow.c (force_reg): Set REG_POINTER flag according to
7681 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7683 PR tree-optimization/28888
7684 * tree-if-conv.c (combine_blocks): Rewritten.
7685 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7686 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7688 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7690 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7693 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7695 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7697 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7699 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7701 2006-09-21 Roger Sayle <roger@eyesopen.com>
7704 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7705 dw_fde_current_label, to be the start of the function, i.e. the same
7706 value as dw_fde_begin.
7708 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7710 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7711 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7712 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7713 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7714 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7715 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7716 (abs<mode>2, neg<mode>2): Likewise.
7717 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7718 (*mips_abs_ps): New define_insn.
7720 2006-09-20 Josh Conner <jconner@apple.com>
7723 * calls.c (expand_call): Allow reuse of structure return stack
7726 2006-09-20 Paul Brook <paul@codesourcery.com>
7728 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7731 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7733 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7734 clean up terminology.
7736 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7739 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7740 with tablejumps in them.
7742 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7745 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7746 wrap it into TARGET_EXPR.
7748 2006-09-20 Eric Christopher <echristo@apple.com>
7750 * config/i386/i386.c (x86_fisttp): Remove.
7751 * config/i386/i386.h (x86_fisttp): Ditto.
7752 (TARGET_FISTTP): Ditto.
7754 2006-09-19 Eric Christopher <echristo@apple.com>
7756 * doc/tm.texi (OBJC_JBLEN): Describe.
7757 * config/i386/darwin.h (OBJC_JBLEN): Define.
7758 * config/rs6000/darwin.h: Ditto.
7760 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7762 PR rtl-optimization/21299
7763 * reload1.c (reload): Purge invalid ASMs in the final pass.
7765 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7768 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7769 pointers as legitimate constants.
7771 2006-09-19 Paul Brook <paul@codesourcery.com>
7774 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7776 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7778 PR tree-optimization/28887
7779 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7780 component parts from the reference.
7781 (gather_memory_references_ref): Record the reference without the
7782 nonaddressable component parts.
7784 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7787 * c-opts.c (c_common_handle_option): Ignore the -std options
7788 if the input language is assembly.
7790 2006-09-17 Ira Rosen <irar@il.ibm.com>
7793 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7795 (ptr_ptr_may_alias_p): Likewise.
7796 (record_record_differ_p): New function.
7797 (base_object_differ_p): Call record_record_differ_p.
7799 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7802 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7803 away for the expr argument.
7805 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7808 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7809 before using it for dumping after vectorizing loops.
7811 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7812 Jack Howarth <howarth@bromo.med.uc.edu>
7815 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7816 skip on error_mark_node.
7817 (rs6000_darwin64_record_arg_recurse): Likewise.
7819 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7821 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7822 * doc/rtl.texi: Remove related documentation.
7824 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7826 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7829 2006-09-15 Jim Wilson <wilson@specifix.com>
7831 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7832 Handle symbol offsets same as they are handled in ia64_expand_move
7835 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7837 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7838 Add forgotten parameter to the fprintf call.
7840 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7842 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7844 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7846 * doc/contrib.texi: Add my entry.
7848 2006-09-15 Nick Clifton <nickc@redhat.com>
7850 * doc/md.texi (Processor pipeline description): Fix typo in
7851 example of how to use the absence_set directive and reword the
7852 description to make it slightly easier to read.
7854 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7856 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7857 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7858 expanding the number of iterations.
7859 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7861 * cfgrtl.c (emit_insn_at_entry): New function.
7862 * rtl.h (emit_insn_at_entry): Declare it.
7863 * integrate.c (emit_initial_value_sets): Use it.
7865 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7867 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7869 (struct loop_work and related VEC declarations): Delete.
7870 (bfin_dump_loops): Print out new member bad.
7871 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7872 (bfin_scan_loop): Don't recurse.
7873 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7874 loops. No longer need to update outer loops if the current one is
7875 found bad. Move some validitiy checks to bfin_discover_loop.
7876 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7877 but changed not to check for nesting. Also changed to use the new bad
7879 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7880 time. Use bitmap based test to discover loop nesting.
7882 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7884 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7887 2006-09-14 Richard Guenther <rguenther@suse.de>
7888 Kazu Hirata <kazu@codesourcery.com>
7890 PR middle-end/28884.
7891 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7892 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7893 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7894 with TARGET_FUNCTION_VALUE.
7896 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7899 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7901 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7903 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7906 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7909 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7912 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7914 * basic_block.h (bb_has_eh_pred): Fix comment.
7916 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7918 * flow.c (calculate_global_regs_live): Invalidate eh registers
7919 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7920 (propagate_block): Handle eh registers as if they were set at basic
7922 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7924 * global.c (global_conflicts): Make eh registers to conflict with
7925 pseudos live at basic block begin.
7926 * basic_block.h (bb_has_eh_pred): New function.
7928 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7930 PR rtl-optimization/28982
7931 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7932 index of a PRE_MODIFY or POST_MODIFY address.
7933 * reload1.c (inc_for_reload): Use find_replacement on the original
7934 base and index registers.
7936 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7938 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7939 for -Os. Update __m128 alignment requirement.
7941 2006-09-13 Jan Hubicka <jh@suse.cz>
7943 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7945 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7947 PR rtl-optimization/28243
7948 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7949 the insn to which the note was originally attached.
7951 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7952 Roger Sayle <roger@eyesopen.com>
7954 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7955 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7956 on platforms that don't use dwarf for debug info.
7958 2006-09-12 Jason Merrill <jason@redhat.com>
7961 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7962 hard_frame_pointer_rtx after using it to update the frame pointer.
7964 2006-09-12 Roger Sayle <roger@eyesopen.com>
7966 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7967 (TARGET_ASM_CLOSE_PAREN): Likewise.
7968 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7969 (TARGET_ASM_CLOSE_PAREN): Likewise.
7971 2006-09-12 Roger Sayle <roger@eyesopen.com>
7974 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7975 frame information for frames larger than 512 Kbytes on Tru64 when
7976 using the native assembler.
7978 2006-09-12 Roger Sayle <roger@eyesopen.com>
7982 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7983 and symbols. Instead use the implementation from cse.c's hash_rtx.
7985 2006-09-12 Jan Hubicka <jh@suse.cz>
7987 PR rtl-optimization/28071
7988 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7989 (vect_transform_loop): Likewise.
7990 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7991 (new_loop_vec_info): Likewise.
7992 (destroy_loop_vec_info): Likewise.
7993 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7994 (create_stmt_ann): Likewise.
7995 (create_tree_ann): Rename to ...
7996 (create_tree_common_ann): ... this one; allocate only the common part
7998 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7999 (get_value_handle): Likewise.
8000 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8001 get_tree_common_ann.
8002 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8003 (vinfo_for_stmt): Use stmt annotations.
8004 * tree-flow.h (tree_ann_common_t): New type.
8005 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8006 (tree_ann, get_tree_ann, create_tree_ann): New.
8007 * tree-flow-inline.h (get_function_ann): Do more type checking.
8008 (stmt_ann): Likewise.
8009 (tree_ann): Rename to ...
8010 (tree_common_ann): ... this one; return ony common_ann
8011 (get_tree_ann): Rename to ...
8012 (tree_common_ann): This one; return only common_ann.
8013 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8016 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8018 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8019 with_cpu by default.
8021 * dwarf2out.c (dwarf_file_data): New.
8022 (enum dw_val_class): Add dw_val_class_file.
8023 (struct dw_val_struct): Add val_file.
8024 (file_table): Change to a hash table.
8025 (file_table_emitted): Delete.
8026 (file_table_last_lookup_index): Delete.
8027 (emitcount): Delete.
8028 (last_emitted_file): New.
8029 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8030 (init_file_table): Delete.
8031 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8032 (AT_addr): Add comment.
8036 (print_die): Handle dw_val_class_file.
8037 (print_dwarf_line_table): Update for new file table structure.
8038 (attr_checksum): Do checksum a filename.
8039 (same_dw_val_p, same_attr_p): Do compare a filename.
8040 (size_of_die): Handle dw_val_class_file.
8041 (value_format): Likewise.
8042 (output_die): Likewise. Also, call maybe_emit_file here.
8043 (struct file_info): Constify filenames. Make file_idx a pointer
8044 to a struct dwarf_file_data.
8045 (struct dir_info): Constify directory names. Remove 'used' field.
8046 (struct file_name_acquire_data): New.
8047 (file_name_acquire): New.
8048 (output_file_names): Modify to handle new file data structures.
8049 (add_src_coords_attributes): Use add_AT_file.
8050 (add_call_src_coords_attributes): Likewise.
8051 (dwarf2out_imported_module_or_decl): Likewise.
8052 (gen_subprogram_die): Modify for new file data structures.
8053 (gen_variable_die): Likewise.
8054 (file_table_eq): New.
8055 (file_table_hash): New.
8056 (file_table_last_lookup): New.
8057 (lookup_filename): Rewrite to handle new file data structures.
8058 (maybe_emit_file): Rewrite to handle new file data structures.
8059 (dwarf2out_source_line): Always call lookup_filename and
8061 (dwarf2out_init): Create file_table here.
8062 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8063 (file_table_relative_p): New.
8064 (dwarf2out_finish): Change detection of relative filenames
8065 to work with new file data structures. Move output_line_info call
8066 after debug_info output.
8068 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8073 * config/i386/i386.c (override_options): Always default to 16
8074 byte stack boundary.
8076 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8079 * var-tracking.c (dump_dataflow_set): Start dumping at
8081 (clobber_variable_part): Kill only the variable part in
8082 registers holding it, leaving other variables alone.
8084 2006-09-11 Josh Triplett <josh@freedesktop.org>
8086 * doc/extend.texi (Other Builtins): Actually use the macro
8087 argument in the documentation example for
8088 __builtin_types_compatible_p.
8090 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8092 PR rtl-optimization/28726
8093 * sched-deps.c (sched_analyze_reg): New function extracted from...
8094 (sched_analyze_1): ...here. Call it to analyze references to
8095 registers. Treat again writes to a stack register as writing to the
8097 (sched_analyze_2): ...and here. Call it to analyze references to
8098 registers. Treat again reads of a stack register as reading the
8101 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8102 David Edelsohn <edelsohn@gnu.org>
8105 * config/rs6000/spe.md (frob_df_di): Remove %H.
8106 (frob_di_df): Remove %H. Change evmergelo to mr.
8107 (frob_di_df_2): Remove %H. Change evldd to two loads.
8109 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8111 * doc/cpp.texi: Fix names of charset options.
8113 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8116 * config/i386/i386.c (override_options): Use 128-bit
8117 stack boundary always for 64bits.
8119 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8121 PR rtl-optimization/28636
8122 * combine.c (force_to_mode): Test for side-effects before
8123 substituting by zero.
8124 (simplify_shift_const): Likewise for zero or other constants.
8126 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8129 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8132 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8135 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8136 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8137 returned by mode_for_size, rather than the mode of src itself,
8138 to choose between 32-bit and 64-bit patterns.
8139 (mips_mem_fits_mode_p): New function.
8140 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8141 that the size of the source matches the size of the destination.
8142 (mov_<store>l, mov_<store>r): Likewise.
8144 2006-09-10 Eric Christopher <echristo@apple.com>
8146 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8149 2006-09-09 Eric Christopher <echristo@apple.com>
8152 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8155 2006-09-09 Roger Sayle <roger@eyesopen.com>
8156 Nicolas Setton <setton@adacore.com>
8158 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8160 2006-09-10 Andreas Schwab <schwab@suse.de>
8162 * config/m68k/m68k.md (bungt_rev): New pattern.
8164 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8165 Dale Johannesen <dalej@apple.com>
8168 * regclass.c (struct reg_pref): Update documentation.
8169 (regclass): Set prefclass to NO_REGS if memory is the best option.
8170 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8172 2006-09-08 Eric Christopher <echristo@apple.com>
8174 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8175 * config/t-slibgcc-darwin: Support x86_64 multilib.
8176 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8177 Return 1 for x86_64-darwin.
8178 * config/i386/t-darwin: Add m64 multilib.
8179 (LIB2_SIDITI_CONV_FUNCS): Use.
8180 (LIB2FUNCS_EXTRA): Ditto.
8181 * config/i386/darwin.h: Support x86_64.
8182 * config/i386/i386.c (override_options): Turn on flag_pic
8183 for x86_64-darwin. Disable flag_omit_pointer.
8184 (get_pc_thunk_name): Assert !TARGET_64BIT.
8185 (legitimate_address_p): Disable machopic addressing for
8187 (legitimize_pic_address): Ditto.
8188 (ix86_expand_move): Ditto.
8189 (ix86_expand_call): Ditto.
8190 (machopic_output_stub): Ditto.
8191 * config/darwin.c (machopic_select_section): Support literal16.
8192 (machopic_select_rtx_section): Ditto.
8193 * config/darwin-sections.def: Ditto.
8194 * config/darwin-64.c: New.
8196 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8199 * c-tree.h (struct c_arg_info): Add pending_sizes.
8200 * c-parser.c (c_parser_parms_declarator,
8201 c_parser_parms_list_declarator): Initialize pending_sizes.
8202 * c-decl.c (get_parm_info): Initialize pending_sizes.
8203 (get_parm_info): Set pending_sizes.
8204 (grokdeclarator): Call put_pending_sizes for parameters for
8205 function definition only.
8207 2006-09-07 Jason Merrill <jason@redhat.com>
8210 * varasm.c (output_constant): Only strip actual no-op conversions.
8213 * config/i386/i386.c (override_options): Use 128-bit
8214 stack boundary if -msse.
8216 2006-09-07 Eric Christopher <echristo@apple.com>
8218 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8220 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8223 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8225 * dwarf2out.c: Remove strange characters from comment above
8226 dwarf2out_frame_debug_expr.
8228 2006-09-07 Eric Christopher <echristo@apple.com>
8230 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8231 * config/darwin.h: ... to here.
8233 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8235 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8237 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8238 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8240 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8241 TARGET_PARTIAL_FLAG_REG_STALL.
8242 (*ashldi3_cconly_rex64): Likewise.
8243 (*ashlsi3_cmp): Likewise.
8244 (*ashlsi3_cconly): Likewise.
8245 (*ashlsi3_cmp_zext): Likewise.
8246 (*ashlhi3_cmp): Likewise.
8247 (*ashlhi3_cconly): Likewise.
8248 (*ashlqi3_cmp): Likewise.
8249 (*ashlqi3_cconly): Likewise.
8250 (*ashrdi3_cmp_rex64): Likewise.
8251 (*ashrdi3_cconly_rex64): Likewise.
8252 (*ashrsi3_cmp): Likewise.
8253 (*ashrsi3_cconly): Likewise.
8254 (*ashrsi3_cmp_zext): Likewise.
8255 (*ashrhi3_cmp): Likewise.
8256 (*ashrhi3_cconly): Likewise.
8257 (*ashrqi3_cmp): Likewise.
8258 (*ashrqi3_cconly): Likewise.
8259 (*lshrdi3_cmp_rex64): Likewise.
8260 (*lshrdi3_cconly_rex64): Likewise.
8261 (*lshrsi3_cmp): Likewise.
8262 (*lshrsi3_cconly): Likewise.
8263 (*lshrsi3_cmp_zext): Likewise.
8264 (*lshrhi3_cmp): Likewise.
8265 (*lshrhi3_cconly): Likewise.
8266 (*lshrqi2_cmp): Likewise.
8267 (*lshrqi2_cconly): Likewise.
8269 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8272 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8273 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8274 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8275 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8276 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8277 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8278 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8279 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8280 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8281 implement only CC setting effects of shift instructions.
8283 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8285 * doc/contrib.texi: Add myself.
8287 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8290 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8291 was set by the user.
8293 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8296 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8297 (divsi_inv_m1): Use them.
8298 (UNSPEC_DIV_INV_TABLE): New constant.
8300 2006-09-06 James E Wilson <wilson@specifix.com>
8303 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8304 then call count_or_remove_death_notes.
8306 2006-09-06 Jason Merrill <jason@redhat.com>
8309 * tree-inline.c (copy_result_decl_to_var): New fn.
8310 (declare_return_variable): Use it. Call declare_inline_vars here.
8311 (expand_call_inline): Not here.
8313 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8315 * doc/contrib.texi: Update my entry.
8317 2006-09-06 Nick Clifton <nickc@redhat.com>
8319 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8321 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8324 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8325 (canonicalize_induction_variables): Likewise.
8326 (tree_unroll_loops_completely): Likewise.
8327 (tree_ssa_prefetch_arrays): Likewise.
8328 (remove_empty_loops): Likewise.
8329 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8330 TODO_cleanup_cfg instead of directly calling
8331 cleanup_tree_cfg_loop.
8332 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8334 (tree_unroll_loops_completely): Likewise.
8335 (remove_empty_loops): Likewise.
8336 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8337 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8338 of tree_ssa_unswitch_loops.
8339 (tree_ssa_loop_ivcanon): Use the return value of
8340 canonicalize_induction_variables.
8341 (tree_ssa_empty_loop): Use the return value of
8343 (tree_complete_unroll): Use the return value of
8344 tree_unroll_loops_completely.
8345 (tree_ssa_loop_prefetch): Use the return value of
8346 tree_ssa_prefetch_arrays.
8347 * passes.c (execute_todo): Before Cleanup CFG, set
8348 updating_used_alone and after cleanup CFG, call
8349 recalculate_used_alone.
8351 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8354 * tree-vect-transform.c (vectorizable_condition): Move the check
8355 for the type after the check for simple condition.
8357 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8358 Kaz Kojima <kkojima@gcc.gnu.org>
8361 * mode-switching.c (optimize_mode_switching): Make the destination
8362 block of an abnormal edge have no anticipatable mode. Don't
8363 insert mode switching code at the end of the source block of
8366 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8368 PR rtl-optimization/26847
8369 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8370 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8371 (simplify_plus_minus): Count n_constants while filling ops. Replace
8372 qsort with insertion sort. Before going through the array to simplify
8373 pairs, sort it. Delay early exit until after the first sort, exiting
8374 only if no swaps occurred. Simplify pairs in reversed order, without
8375 special-casing the first iteration. Pack ops after simplifying pairs.
8377 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8379 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8380 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8381 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8382 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8384 2006-09-05 Richard Guenther <rguenther@suse.de>
8386 PR tree-optimization/28900
8387 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8388 compound conditional before creating COND_EXPR condition.
8390 2006-09-05 Richard Guenther <rguenther@suse.de>
8392 PR tree-optimization/28905
8393 * tree-vrp.c (fix_equivalence_set): Manually implement
8394 !value_ranges_intersect_p to also handle symbolic ranges.
8396 2006-09-05 Richard Guenther <rguenther@suse.de>
8399 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8402 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8404 PR rtl-optimization/27616
8405 * cse.c (table_size): New static variable.
8406 (new_basic_block): Initialize it to 0.
8407 (remove_from_table): Decrement it.
8408 (insert): Increment it.
8409 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8410 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8411 fold_rtx_mem_1 if under the cap.
8412 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8413 the lookup of the equivalent expression and test for equality of the
8414 first operand of the equivalent expression before in turn looking up
8415 an equivalent constant for the second operand.
8417 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8420 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8421 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8422 pointer, instead of assuming it is possible to derive the
8423 correct args size from a call insn.
8425 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8428 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8429 (fold_builtin_mempcpy): Rename to...
8430 (fold_builtin_memory_op): ... this. Optimize one element copy
8432 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8434 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8435 (expand_builtin_memcpy, expand_builtin_mempcpy,
8436 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8437 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8438 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8439 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8441 2006-09-01 DJ Delorie <dj@redhat.com>
8443 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8444 (stzx_16): Likewise.
8445 ("stzx_24_<mode>"): Likewise.
8446 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8447 ("cmp<mode>_op"): New.
8448 (cmp<mode>): Change to expander; just save operands.
8450 (b<code>): Change to expander, emit compare here.
8451 (s<code>_op): Change to use split and expander.
8452 (s<code>_24_op): Likewise.
8453 (s<code>_<mode>): New.
8454 (s<code>_<mode>_24): New.
8455 (movqicc_<code>_<mode): New.
8456 (movhicc_<code>_<mode>): New.
8459 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8460 (m32c_pend_compare): New.
8461 (m32c_unpend_compare): New.
8462 (m32c_expand_scc): New.
8463 (m32c_expand_movcc): Emit the compare also.
8464 * config/m32c/predicates.md (mra_nopp_operand): New.
8466 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8467 Richard Guenther <rguenther@suse.de>
8468 Adam Nemet <anemet@caviumnetworks.com>
8471 * builtins.c (get_pointer_alignment): Handle more forms
8472 of base addresses that can be used to derive more precise
8473 information about alignment.
8475 2006-09-01 Jason Merrill <jason@redhat.com>
8478 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8481 * gimplify.c (voidify_wrapper_expr): Handle null type.
8483 2006-09-01 Josh Conner <jconner@apple.com>
8486 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8487 (execute_return_slot_opt): Use it.
8489 2006-08-31 Josh Conner <jconner@apple.com>
8492 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8493 returning aggregates.
8495 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8497 PR tree-optimization/28839
8498 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8499 blocks in that phi arguments appear.
8501 2006-08-31 Roger Sayle <roger@eyesopen.com>
8504 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8505 NULL, otherwise use an advance_loc4 to adjust relative to the
8507 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8508 (dwarf2out_switch_text_section): Reset the current label to avoid
8509 using advance_loc4 over section boundaries.
8511 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8514 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8515 r12 + SYMBOLIC_CONST.
8517 2006-08-30 Richard Guenther <rguenther@suse.de>
8519 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8521 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8523 PR rtl-optimization/27735
8524 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8525 Add new argument to keep track of whether an irreducible region
8526 was affected. All callers changed.
8527 (fix_irreducible_loops): Removed.
8528 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8529 flags were invalidated.
8531 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8533 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8534 instead of SF operands.
8535 (*fop_df_comm_sse): Likewise.
8536 (*fop_df_comm_i387): Likewise.
8537 (*fop_df_1_mixed): Likewise.
8538 (*fop_df_1_sse): Likewise.
8540 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8541 J"orn Rennecke <joern.rennecke@st.com>
8543 PR tree-optimization/17506
8544 * tree-ssa.c (warn_uninit): If warning about a location outside of
8545 the current function, note where the variable was declared.
8547 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8549 PR tree-optimization/28411
8550 * double-int.c (double_int_div): Use double_int_divmod.
8551 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8552 double_int_mod, double_int_smod, double_int_umod): New functions.
8553 * double-int.h (double_int_divmod, double_int_sdivmod,
8554 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8556 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8558 (get_computation_aff, get_computation_cost_at): Handle double_int
8559 return type of constant_multiple_of.
8561 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8564 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8565 an implicit conversion.
8567 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8569 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8571 2006-08-27 Roger Sayle <roger@eyesopen.com>
8573 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8576 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8578 * config/i386/crtfastmath.c: Fix a comment typo.
8580 2006-08-26 Roger Sayle <roger@eyesopen.com>
8582 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8583 temporary visit flags on CASE_LABEL_EXPRs.
8584 * c-common.c (match_case_to_enum): Add function comment. Avoid
8585 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8586 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8587 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8588 a constant, only warn if that constant value isn't handled.
8590 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8593 * input.h (restore_input_file_stack): Declare.
8594 (INPUT_FILE_STACK_BITS): Define.
8595 * toplev.c (fs_p, input_file_stack_history,
8596 input_file_stack_restored, restore_input_file_stack): New.
8597 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8598 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8599 (pop_srcloc): Don't free old state of stack.
8601 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8604 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8605 (PowerPC Type Attributes): New.
8607 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8609 * config/xtensa/xtensa.c (function_arg_boundary): New.
8610 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8612 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8613 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8615 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8618 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8621 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8623 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8624 (verify_local_live_at_start): Likewise.
8626 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8629 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8630 omp_add_variable): Treat sizes as variable whenever not
8633 2006-08-26 Richard Guenther <rguenther@suse.de>
8636 * fold-const.c (fold_binary): Fold temporary to correct
8637 type before constructing new comparison.
8639 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8642 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8643 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8645 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8648 * c-decl.c (start_function): Don't try to process prototype
8649 information from old declaration that isn't a function.
8651 2006-08-25 Jan Hubicka <jh@suse.cz>
8654 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8656 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8659 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8662 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8664 PR tree-optimization/16876
8665 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8666 exit if PARM doesn't match VALUE.
8668 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8670 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8671 literal_prefix directive.
8672 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8673 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8674 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8676 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8679 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8680 predicate to general_operand. Add 0->y and I->r alternatives.
8682 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8684 * doc/tm.texi: Fix a typo.
8685 * predict.c: Fix comment typos.
8687 2006-08-25 Nick Clifton <nickc@redhat.com>
8689 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8690 assertions of "cpu" and "machine".
8692 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8695 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8696 the access through a base which has an alias set of 0 cannot
8699 2006-08-24 Bill Wendling <wendling@apple.com>
8701 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8703 2006-08-24 Jan Hubicka <jh@suse.cz>
8705 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8707 2006-08-24 Jan Hubicka <jh@suse.cz>
8710 * cgraph.c: Fix comments.
8711 (cgraph_varpool_mark_needed_node): Mark only variables not already
8713 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8714 (cgraph_varpool_assembled_nodes_queue): New static variable.
8715 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8716 (cgraph_varpool_output_debug_info): New function.
8717 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8718 * Makefile.in: Add gt-cgraphunit.h
8720 2006-08-24 Jan Hubicka <jh@suse.cz>
8722 * predict.c (probability_reliable_p): New predicate.
8723 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8724 (predict_loops): Do not predict loop exit with less than 2%
8726 * basic-block.h (edge_probability_reliable_p,
8727 br_prob_note_reliable_p): Declare.
8728 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8729 prediction when static predictor is not reliable.
8730 * rs6000.c (output_cbranch): Likewise.
8732 2006-08-23 Stuart Hastings <stuart@apple.com>
8735 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8736 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8738 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8741 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8742 complex values, nor for generic vector values.
8744 2006-08-22 Richard Guenther <rguenther@suse.de>
8747 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8748 parameter. Convert arguments to arithmetic expression to the
8750 (analyze_scalar_evolution_1): Adjust caller.
8752 2006-08-22 Jan Hubicka <jh@suse.cz>
8754 Patch by Paolo Bonzini
8755 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8758 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8760 PR tree-optimization/28003
8761 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8762 before grouping aliases.
8764 2006-08-22 Roger Sayle <roger@eyesopen.com>
8766 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8767 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8769 2006-08-21 Jason Merrill <jason@redhat.com>
8772 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8773 wrapper. Loop to handle nested wrappers.
8774 (gimplify_bind_expr): Remove temp parameter.
8775 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8776 and STATEMENT_LIST on the rhs.
8777 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8778 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8779 (gimplify_target_expr): Remove special BIND_EXPR handling.
8781 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8783 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8786 2006-08-21 Olivier Hainque <hainque@adacore.com>
8788 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8789 Arrange for the temporary captures of components overlapping the lhs
8790 to happen before the lhs is possibly cleared.
8792 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8794 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8795 necessary places to pass the correct "number of registers" values
8798 2006-08-20 Jan Hubicka <jh@suse.cz>
8800 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8801 (create_name_tags): Instead of quadratic checking use hashtable.
8802 * bitmap.h: Include hashtab.h.
8803 (bitmap_hash): Declare.
8804 * bitmap.c (bitmap_hash): New function.
8806 2006-08-20 Jan Hubicka <jh@suse.cz>
8808 PR rtl-optimization/28071
8809 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8811 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8812 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8813 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8814 cgraph_decide_inlining_incrementally): Update use of
8815 cgraph_check_inline_limits.
8816 * cgraph.c (edge_hash, edge_eq): New function.
8817 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8818 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8819 cgraph_remove_node): Maintain call site hash.
8820 * cgraph.h (struct cgraph_node): Add call_site_hash.
8821 (cgraph_set_call_stmt): New function.
8823 2006-08-20 Jan Hubicka <jh@suse.cz>
8825 PR rtl-optimization/28071
8826 * reload1.c (reg_has_output_reload): Turn into regset.
8827 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8828 choose_reload_regs, emit_reload_insns): Update to new
8829 reg_has_output_reload.
8831 2006-08-20 Jan Hubicka <jh@suse.cz>
8834 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8835 function body sizes.
8836 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8838 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8841 * tree.c (handle_dll_attribute): Return early if not a
8842 var or function decl.
8844 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8847 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8848 alignment of SPE vector types.
8850 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8852 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8854 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8857 * cgraph.h (struct cgraph_node): Remove externally_visible
8859 * cgraphunit.c (process_function_and_variable_attributes): Set
8860 local.externally_visible rather than externally_visible.
8863 * c-common.c (handle_externally_visible_attribute): First look
8864 at TREE_CODE and only if it is function or var decl, check for
8865 non-public objects. Don't warn for DECL_EXTERNAL.
8866 * cgraphunit.c (process_function_and_variable_attributes): Warn
8867 if externally_visible attribute is used on non-public object.
8869 2006-08-17 Jan Hubicka <jh@suse.cz>
8871 PR tree-optimization/27865
8872 * reload1.c (forget_marked_reloads): New function.
8873 (forget_old_reloads_1): When data are passed, just mark the registers
8875 (reload_as_needed): Use the new mechanizm.
8877 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8880 * reload.h (reg_equiv_alt_mem_list): New declaration.
8881 * reload1.c (reg_equiv_alt_mem_list): New definition.
8882 (reload): Initialize it and release it.
8883 (delete_output_reload): Use it.
8884 * reload.c (push_reg_equiv_alt_mem): New function.
8885 (find_reloads_toplev): Call it.
8886 (find_reloads_address, find_reloads_address_1): Likewise.
8887 (find_reloads_subreg_address): Likewise.
8889 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8891 PR rtl-optimization/28489
8892 * sched-ebb.c (begin_schedule_ready): Create basic block
8894 (advance_target_bb): Skip empty blocks.
8895 * haifa-sched.c (bb_note): Make global.
8896 * sched-int.h (bb_note): Add prototype.
8898 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8900 PR tree-optimization/27865
8901 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8903 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8904 fold_used_pointer, pointer_used_p): New functions.
8905 (analyze_scalar_evolution_1): Use fold_used_pointer.
8906 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8907 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8910 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8913 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8914 or the INTEGER_CST. Fail on a CALL_EXPR.
8915 (fold_offsetof): Pass new argument to fold_offsetof_1.
8916 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8917 operand into an INDIRECT_REF.
8918 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8920 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8922 PR gcov/profile/26570
8923 * value-prof.c (static_values): Removed.
8924 (tree_find_values_to_profile): Do not set static_values.
8925 (find_values_to_profile): Do not free static_values.
8926 * profile.c (instrument_values): Do not free the values.
8927 (branch_prob): Free the values.
8929 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8931 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8933 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8936 * c-typeck.c (build_component_ref): Combine qualifiers of
8937 structure or union and field.
8939 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8941 PR rtl-optimization/28071
8942 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8943 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8944 * tree-into-ssa.c (struct dom_dfsnum): New.
8945 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8947 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8948 compute_global_livein.
8949 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8950 in phi nodes in the correct blocks.
8952 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8954 PR tree-optimization/28364
8955 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8957 (fold_affine_expr): New function.
8958 (may_eliminate_iv): Use fold_affine_expr.
8960 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8963 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8966 2006-08-16 Mike Stump <mrs@apple.com>
8968 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8969 * doc/cppopts.texi (-MD): Likewise.
8971 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8974 * c-common.c (handle_weak_attribute): Ignore and warn if
8975 not a FUNCTION_ or VAR_DECL.
8977 2006-07-15 Mike Stump <mrs@apple.com>
8980 * c-parser.c (c_parser_typeof_specifier): Don't use
8981 c_finish_expr_stmt, open code desired semantics instead.
8983 2006-08-15 Nick Clifton <nickc@redhat.com>
8985 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8986 fragment to tmake_file only if threads are enabled.
8987 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8988 * config/i386/t-gthr-win32: New file. ... here.
8990 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8993 * c-parser.c (c_parser_compound_statement_nostart): Reset
8994 parser->error after each statement.
8996 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8999 * omp-low.c (lower_omp_parallel): Convert t to
9000 receiver_decl's type.
9001 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9002 source before comparison.
9005 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9006 to itype in assignment to oldival2.
9008 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9012 * c-typeck.c (build_compound_expr): If the second expression
9013 is an error mark, then just return an error mark instead of
9014 creating a COMPOUND_EXPR.
9016 2006-07-14 Mike Stump <mrs@apple.com>
9018 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9020 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9022 * c-decl.c, var-tracking.c: Fix comment typos.
9024 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9026 PR rtl-optimization/28634
9027 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9028 for floating-point modes unless flag_unsafe_math_optimizations.
9030 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9031 Andrew Pinski <pinskia@physics.uc.edu>
9034 * tree.c (build_array_type): Unify array types with
9035 unspecified index_type.
9036 * c-decl.c (grokdeclarator): Make sure we do not modify a
9037 unified incomplete array type.
9038 * c-typeck.c (store_init_value): Create distinct type before
9039 filling in the index type in an initializer from a compound
9042 * c-decl.c (grokdeclarator): Remove code where we copy the
9045 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9047 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9048 into account for TODO_dump_cgraph.
9049 (TODO_update_ssa_no_phi): Likewise.
9050 (TODO_update_ssa_full_phi): Likewise.
9051 (TODO_update_ssa_only_virtuals): Likewise.
9052 (TODO_remove_unused_locals): Likewise.
9053 (TODO_set_props): Likewise.
9054 (TODO_update_stmt_usage): Likewise.
9056 2006-08-13 Dirk Mueller <dmueller@suse.de>
9058 * c-common.c (strict_aliasing_warning): Fix formatting.
9060 2006-08-13 Matthias Klose <doko@debian.org>
9062 * doc/invoke.texi: Fix spelling errors.
9064 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9066 PR rtl-optimization/23454
9067 * reorg.c (relax_delay_slots): Update comment.
9069 2006-08-11 Richard Guenther <rguenther@suse.de>
9072 * simplify-rtx.c (simplify_const_relational_operation):
9073 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9076 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9078 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9079 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9081 2006-08-10 Paul Brook <paul@codesourcery.com>
9083 * final.c (final_scan_insn): Clear current_insn_predicate before
9084 outputting inline asm.
9086 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9088 PR tree-optimization/26197
9089 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9090 get_ref_base_and_extent and overlap_subvar to add only relevant
9091 subvars as may-aliases.
9092 (add_may_alias_for_new_tag): New function, factored out of
9094 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9095 with additional argument.
9096 * tree-flow.h (new_type_alias): Takes additional argument.
9098 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9100 * gcov.c (no_data_file): New flag.
9101 (read_count_file): Set it if data file not present. Assume counts
9103 (output_lines): Don't name the data file, if there wasn't one.
9105 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9107 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9108 (rs6000_generate_compare): Tweak comments.
9109 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9111 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9113 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9114 (var_debug_decl): New function.
9115 (var_reg_set): Follow debug decl link. Add location even if
9116 reg is already known to hold some other variable.
9117 (var_mem_set): Follow debug decl link.
9118 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9119 decl link. Delete other known locations of the variable part
9121 (var_reg_delete, var_mem_delete): Delete other known locations
9122 of the variable part if requested.
9123 (same_variable_part_p): New function.
9124 (add_stores): Select MO_COPY when appropriate.
9125 (vt_initialize): Handle it.
9126 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9127 known locations for MO_SET and MO_CLOBBER.
9128 (find_variable_location_part): New function.
9129 (set_variable_part, delete_variable_part): Use it.
9130 (clobber_variable_part): New function.
9131 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9134 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9136 PR tree-optimization/26969
9137 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9138 with an empty list of PHIs.
9140 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9144 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9147 2006-08-06 Andreas Schwab <schwab@suse.de>
9149 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9150 string. Whitespace and comment fixup.
9152 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9155 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9159 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9162 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9164 2006-08-04 Jan Hubicka <jh@suse.cz>
9168 * reload.c (push_reload): Patch out the mismatching instruction;
9170 (find_reload): Bail out if the instruction was patched out.
9172 2006-08-04 Jan Hubicka <jh@suse.cz>
9174 PR tree-optimization/24888
9175 * tree-inline.c (expand_call_inline): Do not re-record variables.
9176 (declare_inline_vars): Add variable to unexpanded_var_list.
9178 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9179 Roger Sayle <roger@eyesopen.com>
9181 PR rtl-optimization/26244
9182 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9183 inner_const are negative or greater than or equal to the bitsize of
9184 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9185 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9186 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9187 CONST0_RTX (mode) when the new shift count is greater than or equal to
9188 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9191 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9193 * tree-cfg.c: Fix a comment typo.
9195 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9198 * varasm.c (output_constant): Give the front end another chance to
9199 expand constants, after stripping NOPs.
9201 2006-08-03 Jan Hubicka <jh@suse.cz>
9203 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9206 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9208 PR tree-optimization/27770
9209 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9210 declaration removed (moved to tree-flow.h).
9211 (vect_can_force_dr_alignment_p): Likewise.
9212 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9213 (moved from tree-vectorizer.h).
9214 (vect_can_force_dr_alignment_p): Likewise.
9215 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9216 from outside the vectorizer - in particular from cgraph stage.
9217 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9218 the alignment of global arrays when -fsection-anchors is enabled.
9219 * cgraphunit.c (cgraph_increase_alignment): New function.
9220 (cgraph_optimize): Call cgraph_increase_alignment.
9222 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9225 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9226 not reload a SPE symbol_ref into a lo_sum address.
9228 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9231 * dwarf2out.c (prune_unused_types_prune): Move call to
9232 prune_unused_types_update_strings to cover the parent DIE also.
9234 2006-08-02 Jan Hubicka <jh@suse.cz>
9236 PR gcov/profile/28480
9237 * tree-cfg.c (change_bb_for_stmt): New function.
9238 (tree_merge_blocks, tree_split_blocks): Use it.
9240 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9246 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9247 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9248 (cgraph_optimize): Likewise.
9250 2006-08-01 Stuart Hastings <stuart@apple.com>
9252 * rtl.h (UINTVAL) New.
9253 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9254 * testsuite/gcc.dg/20060801-1.c: New.
9256 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9259 * c-typeck.c (build_external_type): Mark used enum types.
9260 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9262 (gen_subprogram_die): Whitespace fix.
9264 2006-08-01 Jan Hubicka <jh@suse.cz>
9266 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9267 bitmap when not needed.
9268 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9271 2006-08-01 Dirk Mueller <dmueller@suse.de>
9273 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9275 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9277 * Makefile.in: Revert part of previous patch:
9278 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9281 2006-07-30 Eric Christopher <echristo@apple.com>
9284 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9285 (PowerPC Variable Attributes): New section.
9287 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9289 PR target/28126 (partial fix)
9290 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9292 2006-07-28 Jan Hubicka <jh@suse.cz>
9294 PR rtl-optimization/28071
9295 * cfgrtl.c (rtl_delete_block): Free regsets.
9296 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9298 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9300 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9301 and variables used in dependencies.
9303 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9305 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9306 %fs for -mcmodel=kernel.
9307 (stack_tls_protect_test_di): Likewise.
9309 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9311 * Makefile.in: Use mkinstalldirs.
9313 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9316 * opts-common.c (prune_options): Skip joined switches.
9318 2006-07-27 Jan Hubicka <jh@suse.cz>
9320 PR rtl-optimization/28071
9321 * cselib.c (cselib_process_insn): Don't remove useless values too
9322 often for very large hashtables.
9324 2006-07-27 Jan Hubicka <jh@suse.cz>
9326 PR rtl-optimization/28071
9327 * global.c (greg_obstack): New obstack.
9328 (allocate_bb_info): Use it.
9329 (free_bb_info): Likewise.
9330 (modify_reg_pav): Likewise.
9332 2006-07-27 Roger Sayle <roger@eyesopen.com>
9334 * builtins.c (fold_fixed_mathfn): When long and long long are the
9335 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9336 functions to their lceil*, lfloor*, lround* and lrint* forms.
9338 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9341 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9343 (rev_branch_insn): Likewise.
9345 2006-07-27 Jan Hubicka <jh@suse.cz>
9347 PR rtl-optimization/28071
9348 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9349 (reg_set_in_bb, max_reg_computed): New static variables.
9350 (regmove_optimize): Free the new array.
9351 (fixup_match_1): Update call of reg_is_remote_constant_p.
9353 2006-07-26 Jan Hubicka <jh@suse.cz>
9355 PR tree-optimization/27882
9356 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9358 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9360 (cgraph_analyze_compilation_unit): Likewise.
9361 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9362 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9363 (cgraph_early_inlinine): Make order garbage collected.
9364 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9366 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9368 * dbxout.c (output_types_sort): Add a comment.
9369 (output_used_types): Free the VEC.
9371 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9373 * function.c (reorder_fix_fragments): Delete.
9374 (reorder_blocks): Don't call it.
9375 (reorder_blocks_1): Put all subblocks under the origin block.
9377 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9379 PR rtl-optimization/27907
9380 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9383 2006-07-25 Roger Sayle <roger@eyesopen.com>
9386 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9387 bar(x) check that bar's result type can represent all the values of T.
9389 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9391 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9393 2006-07-25 Nick Clifton <nickc@redhat.com>
9395 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9396 size_lookup[] array.
9397 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9398 (ggc_pch_count_object): Likewise.
9399 (ggc_pch_alloc_object): Likewise.
9400 (ggc_pch_write_object): Likewise.
9401 (init_ggc): Do not attempt to initialize entries in the
9402 size_lookup[] array for objects whose size is greater than than
9403 the length of the array.
9405 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9407 * dbxout.c (output_used_types_helper): Push queued types
9409 (output_types_sort): New.
9410 (output_used_types): Collect used types on a VEC and sort them
9413 2006-07-24 Richard Guenther <rguenther@suse.de>
9416 * cgraph.c (cgraph_remove_node): Do not check if dumps
9418 * cgraphunit.c (cgraph_optimize): Likewise.
9420 2006-07-24 Jan Hubicka <jh@suse.cz>
9422 PR rtl-optimization/28071
9423 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9424 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9425 splitting before first stmt.
9427 2006-07-24 Jan Hubicka <jh@suse.cz>
9429 PR rtl-optimization/28071
9430 * ipa-inline.c (update_caller_keys): Remove edges that
9431 are no longer inline candidates.
9433 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9436 * dbxout.c (output_used_types_helper, output_used_types): New.
9437 (dbxout_symbol): Call output_used_types.
9439 2006-07-23 Jan Hubicka <jh@suse.cz>
9443 * cgraph.c (cgraph_varpool_nodes): Export.
9444 (decide_is_variable_needed): Ignored "used" attribute in
9445 unit-at-a-time mode.
9446 * cgraph.h (cgraph_varpool_nodes): Declare.
9447 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9448 unit-at-a-time mode.
9450 2006-07-23 Roger Sayle <roger@eyesopen.com>
9453 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9454 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9455 the __gthrw form of thr_keycreate.
9456 (__gthread_key_delete): Silence the unused argument warning.
9458 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9461 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9462 Cache the last found '\0' marker to avoid quadratic behavior.
9464 2006-07-23 Jan Hubicka <jh@suse.cz>
9466 * i386.md (subsi_3_zext): Fix output template.
9468 2006-07-21 Mike Stump <mrs@apple.com>
9470 * doc/invoke.texi (C++ Dialect Options): Note that
9471 -fvisibility-inlines-hidden doesn't affect explicitly
9472 instantiationed inline methods.
9474 2006-07-20 Roger Sayle <roger@eyesopen.com>
9476 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9477 if the target assembler is GNU binutils' gas.
9478 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9479 whether to pass GNU gas or native as command line options.
9481 2006-07-20 Jason Merrill <jason@redhat.com>
9483 * tree.c (remove_attribute): New fn.
9484 * tree.h: Declare it.
9486 2006-07-20 Paul Brook <paul@codesourcery.com>
9489 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9490 they are invalidated by this instruction.
9492 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9495 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9497 2006-07-20 Eric Christopher <echristo@apple.com>
9500 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9502 2006-07-19 Eric Christopher <echristo@apple.com>
9504 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9505 Rewrite dependencies for libgcc_s.1.dylib.
9507 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9509 * except.c (duplicate_eh_regions_1): Clear next_peer.
9511 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9513 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9514 -mlongcall does not guarantee all calls will be long.
9515 * doc/extend.texi (long_call/short_call): Document that longcall
9516 does not guarantee a long call will be used.
9517 (longcall/shortcall): Likewise.
9519 2006-07-18 Roger Sayle <roger@eyesopen.com>
9522 * expmed.c (expand_shift): Additionally check that the shift_cost
9523 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9524 before implementing a LSHIFT_EXPR as a sequence of additions.
9525 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9526 middle-end that DImode shifts need to be synthesized by expand.
9528 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9531 * tree-ssa-operands.c (access_can_touch_variable): Update
9533 Return true if ALIAS is .GLOBAL_VAR.
9535 2006-07-18 David Daney <ddaney@avtrex.com>
9537 * gcc.c (display_help): Fix typo in help text.
9539 2006-07-18 Olivier Hainque <hainque@adacore.com>
9541 * tree.h (categorize_ctor_elements): Adjust prototype and add
9542 descriptive comment, both in accordance with the interface change
9544 * varasm.c (constructor_static_from_elts_p): New function.
9545 Whether a constructor node is a valid static constant initializer
9546 if all its elements are.
9547 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9548 * output.h: Declare it.
9549 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9550 is a valid constant initializer instead of computing the number of
9551 non-constant elements. Use constructor_static_from_elts_p for this
9552 purpose. Replace the head comment with an indication that this is a
9553 helper for categorize_ctor_elements.
9554 (categorize_ctor_elements): Same interface change as for the _1
9555 helper. Former head comment from this helper moved here, adjusted to
9556 account for the interface changes.
9557 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9558 (all_zeros_p): Likewise.
9559 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9560 static versions of the constructor from the categorize_ctor_elements
9561 return value instead of the formerly computed number of non-constant
9564 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9566 * configure: Regenerate.
9567 * Makefile.in (build_libsubdir): New configure substitution
9568 (build_libobjdir): New variable.
9569 (BUILD_LIBIBERTY): Use it.
9571 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9574 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9576 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9579 * c-common.c (handle_weakref_attribute): Ignore attribute in
9580 the same conditions the alias attribute is ignored.
9582 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9584 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9585 (dbxout_begin_prologue): Increment scope_labelno.
9587 2006-07-17 Richard Henderson <rth@redhat.com>
9590 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9593 2006-07-17 Roger Sayle <roger@eyesopen.com>
9594 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9596 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9597 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9598 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9599 functions such as sbrk, write, etc.. Add function prototypes.
9600 Convert function declarations from K&R to ISO C. Cast pointers
9601 to "long" and "unsigned long" instead of "int" and "unsigned int".
9602 Convert tokens following #endif into comments.
9604 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9606 * invoke.texi: Remove mention of f77; Reformat table for
9607 inline parameter options correctly; mention that -malign-double
9608 is default on x86-64 targets.
9610 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9612 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9613 (convert_affine_scev, chrec_convert_aggressive): Use
9614 avoid_arithmetics_in_type_p. Do not check for the subtypes
9617 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9620 * optabs.c (expand_doubleword_shift): Wrap the call to
9621 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9623 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9626 * optabs.c (expand_binop): Pass next_methods rather than methods
9627 to expand_doubleword_shift.
9629 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9632 * tree.h (dump_addr): Declare.
9633 * print-tree.c (dump_addr): New function.
9634 (print_node_brief, print_node): Use it.
9635 * print-rtl.c (print_rtx): Likewise.
9636 * common.opt (-fdump-noaddr): New option.
9637 * doc/invoke.texi (-fdump-noaddr): Document.
9638 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9639 (ve_info_hash): Likewise.
9641 2006-07-13 Andrew Haley <aph@redhat.com>
9643 PR tree-optimization/19505
9644 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9645 edge leaving this block, make sure that the destination of this
9646 block has only one predecessor.
9648 2006-07-17 Richard Guenther <rguenther@suse.de>
9650 PR tree-optimization/28238
9651 * tree-inline.c (copy_bb): Check if we produced valid
9652 gimple copying and substituting a stmt. If not, gimplify
9655 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9657 * optabs.c (maybe_encapsulate_block): New function extracted from...
9658 (emit_libcall_block): ...here. Invoke it on the block of insns to
9659 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9660 (emit_no_conflict_block): Likewise.
9662 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9664 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9666 2006-07-15 Roger Sayle <roger@eyesopen.com>
9668 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9669 a new NOP_EXPR case of the switch statement.
9671 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9674 * stor-layout.c (place_field): Take the bit field with
9675 an excessive size into account in the ms-bitfiled case.
9678 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9679 the previous bit field.
9681 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9684 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9686 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9688 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9689 signal frames correctly even when the signal was installed with
9692 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9694 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9695 (dbxout_function_end): Use local label LFBB. Remove hook
9697 (dbxout_source_line): Use local label LFBB.
9698 (dbxout_block): Likewise.
9699 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9700 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9701 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9702 and DBX_OUTPUT_NFUN.
9704 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9706 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9708 2006-07-13 Jan Hubicka <jh@suse.cz>
9710 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9712 * output.h (align_variable): Declare.
9713 * varasm.c (align_variable): Export.
9714 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9715 when basic block changed.
9717 2006-07-13 Nick Clifton <nickc@redhat.com>
9719 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9720 walking the LOG_LINKS chain.
9722 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9724 * doc/invoke.texi (C++ Dialect Options): Explain difference
9725 between -fvisibility-inlines-hidden and setting hidden
9726 visibility explicitly.
9728 2006-07-12 Eric Christopher <echristo@apple.com>
9730 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9731 (stmp-lipo): Depend on libgcc.a.
9733 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9735 * tree.c: Fix a comment typo.
9737 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9739 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9741 (umulhisi3_r): Likewise.
9743 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9746 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9747 x < 19, vs wchar_t support.
9749 2006-07-12 Nick Clifton <nickc@redhat.com>
9751 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9752 instead of -isa=sh4.
9754 2006-07-12 Mike Stump <mrs@apple.com>
9756 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9758 2006-07-10 Eric Christopher <echristo@apple.com>
9760 * config/t-slibgcc-darwin: Rewrite.
9762 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9765 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9768 2006-07-08 Matthias Klose <doko@debian.org>
9770 * doc/sourcebuild.texi: Fix typo.
9772 2006-07-07 Mike Stump <mrs@apple.com>
9774 * toplev.c (process_options): Don't give -ffunction-sections may
9775 affect debugging warning for Mach-O.
9777 2006-07-07 James E Wilson <wilson@specifix.com>
9779 * config/mips/mips.md (cpu): Add sb1a.
9780 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9781 addition to sb1. Adjust comments to clarify SB-1A differences from
9783 (ir_sb1a_load): New. Modify bypasses to use it.
9784 (ir_sb1a_simple_alu): Likewise.
9785 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9786 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9787 (mips_issue_rate): Add PROCESSOR_SB1A.
9788 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9789 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9790 (TARGET_SB1): Add PROCESSOR_SB1A check.
9791 (TUNE_SB1): Likewise.
9793 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9794 * config/mips/mips.c (mips_store_data_bypass_p): New.
9795 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9796 store_data_bypass_p.
9798 2006-07-08 Paul Brook <paul@codesourcery.com>
9801 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9803 2006-07-07 Richard Guenther <rguenther@suse.de>
9806 * tree.h (build_one_cst): Declare.
9807 * tree.c (build_one_cst): New function.
9808 * tree-ssa-math-opts.c (get_constant_one): Remove.
9809 (insert_reciprocals): Use build_one_cst.
9810 * fold-const.c (fold_plusminus_mult): Likewise.
9812 2006-07-07 Roger Sayle <roger@eyesopen.com>
9814 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9815 * cfgloopanal.c (dump_graph): Likewise.
9816 * dojump.c (discard_pending_stack_adjust): Likewise.
9817 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9819 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9820 * function.c (finalize_block_changes): Likewise.
9821 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9822 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9823 * rtl.c (dump_rtx_statistics): Likewise.
9824 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9826 * varray.c (dump_varray_statistics): Likewise.
9827 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9828 decode_decimal64, encode_decimal128, decode_decimal128,
9829 decimal_real_to_decimal): Likewise.
9831 2006-07-07 Richard Guenther <rguenther@suse.de>
9833 PR tree-optimization/28187
9834 * tree-vrp.c (vrp_operand_equal_p): New function.
9835 (vrp_bitmap_equal_p): Likewise.
9836 (update_value_range): Use them to compare old and new
9839 2006-07-06 Roger Sayle <roger@eyesopen.com>
9841 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9842 a default case to switch statement to silence compiler warnings.
9844 2006-07-06 Roger Sayle <roger@eyesopen.com>
9847 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9848 the configured assembler supports the x87's ffreep mnemonic.
9849 * configure: Regenerate.
9850 * config.in: Regenerate.
9852 * config/i386/i386.c (output_387_ffreep): New function.
9853 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9854 (output_387_reg_move): Likewise.
9856 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9858 Port to hosts whose 'sort' and 'tail' implementations
9859 treat operands with leading '+' as file names, as POSIX
9860 has required since 2001. However, make sure the code still
9861 works on pre-POSIX hosts.
9862 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9863 which says you should use "tail -c +N" rather than "tail +Nc".
9864 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9866 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9868 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9871 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9874 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9875 PRE_{INC,DEC} of TFmode.
9877 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9878 Alan Modra <amodra@bigpond.net.au>
9881 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9884 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9887 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9888 Remove duplicate gtu.
9890 2006-07-05 Jason Merrill <jason@redhat.com>
9894 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9895 * c-common.c (handle_packed_attribute): So don't copy it here.
9896 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9898 2006-07-05 Mike Stump <mrs@apple.com>
9900 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9902 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9905 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9907 2006-07-05 Richard Guenther <rguenther@suse.de>
9910 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9911 TARGET_SSE2 targets if using SSE math.
9912 (*absdf2_1): Likewise.
9914 2006-07-05 Richard Guenther <rguenther@suse.de>
9916 PR tree-optimization/28162
9917 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9918 make sure to convert the operands to the correct type.
9920 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9922 PR tree-optimization/28218
9924 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9925 to calculate and free the dominator information.
9927 2006-07-04 Peter O'Gorman <peter@pogma.com>
9929 * mklibgcc.in: chmod 644 before ranlib during install.
9931 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9932 J"orn Rennecke <joern.rennecke@st.com>
9934 * configure.ac (.eh_frame data check): Use diff -b.
9936 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9939 * Makefile.in (BUILD_RTL): Add build/vec.o.
9940 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9941 (build/genextract): Delete.
9942 (build/genautomata): Likewise.
9944 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9947 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9948 128-bit IBM long doubles for ABI_V4.
9950 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9952 * tree.c (range_in_array_bounds_p): New predicate.
9953 * tree.h (range_in_array_bounds_p): Declare it.
9954 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9955 return a less conservative answer.
9956 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9957 and flag 'is_group'.
9958 (IS_ELEMENT_FOR_GROUP): New macro.
9959 (FOR_EACH_ACTUAL_CHILD): Likewise.
9960 (next_child_for_group): New helper function.
9961 (can_completely_scalarize_p): Take into account groups.
9962 (sra_hash_tree): Handle RANGE_EXPR.
9963 (sra_elt_eq): Likewise.
9964 (lookup_element): Be prepared for handling groups.
9965 (is_valid_const_index): Delete.
9966 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9967 instead of is_valid_const_index.
9968 <ARRAY_RANGE_REF>: New case.
9969 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9970 is_valid_const_index.
9971 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9972 (scan_dump): Dump info for groups too.
9973 (decide_instantiation_1): Likewise.
9974 (decide_block_copy): Assert that the element is not a group.
9975 Propagate decision to groups.
9976 (generate_one_element_ref): Handle RANGE_EXPR.
9977 (mark_no_warning): Iterate over actual childs.
9978 (generate_copy_inout): Likewise.
9979 (generate_element_copy): Likewise.
9980 (generate_element_zero): Likewise.
9981 (generate_element_init_1): Likewise.
9982 (dump_sra_elt_name): Handle RANGE_EXPR.
9984 2006-07-03 Roger Sayle <roger@eyesopen.com>
9986 PR tree-optimization/26251
9987 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9988 (thread_block): When optimizing for size refuse to thread jumps
9989 that would require duplication of blocks other than redirection
9992 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9994 * configure.ac: Fix thinko in previous check-in.
9995 * configure: Regenerate.
9997 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10000 * configure.ac (for lang...): Simplify nesting of conditionals.
10001 Test subdir_requires for non-enabled languages. Move processing
10002 of lang_opt_files and lang_tree_fiels below that test.
10003 * configure: Regenerate.
10004 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10006 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10008 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10010 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10012 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10015 2006-06-29 Jason Merrill <jason@redhat.com>
10022 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10023 * c-common.c (c_determine_visibility): Handle it here.
10024 * c-decl.c (finish_decl): Call c_determine_visibility for
10026 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10027 * tree.h: Likewise.
10028 * varasm.c (default_assemble_visibility): Likewise.
10029 * c-common.c (handle_visibility_attribute): Complain about trying
10030 to give visibility to an already defined class, or trying to change
10031 declared visibility. Always attach the attribute.
10036 * attribs.c (decl_attributes): Ignore type-in-place attributes
10037 once the type has been defined.
10039 2006-06-29 Roger Sayle <roger@eyesopen.com>
10041 PR middle-end/27428
10042 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10043 to indicate the cpplib has issued an error message for us.
10045 2006-06-29 Asher Langton <langton2@llnl.gov>
10048 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10049 insert a label at the end of an function under Mach-O.
10051 2006-06-29 Eric Christopher <echristo@apple.com>
10052 Evan Cheng <evan.cheng@apple.com>
10054 * predicates.md (vector_all_ones_operand): New.
10055 (nonimmediate_or_sse_const_operand): Ditto.
10056 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10057 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10058 (standard_sse_mode_p): Ditto.
10059 (standard_sse_constant_p): Add case for -1 vector.
10060 (ix86_expand_vector_move): Try to use.
10061 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10062 Call standard_sse_constant_opcode.
10063 (*movv4sf_internal): Ditto.
10064 (*movv2df_internal): Ditto.
10066 2006-06-29 Roger Sayle <roger@eyesopen.com>
10068 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10069 of XEXP to extract the operands of a MATCH_CODE rtx.
10071 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10073 * tree.c (tree_size): Do not waste tail padding in
10074 struct tree_string and make the size be the same as
10075 build_string will generate.
10077 2006-06-28 Jason Merrill <jason@redhat.com>
10080 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10081 may_aliases already in the tag's annotations to the bitmap.
10083 2006-06-28 Roger Sayle <roger@eyesopen.com>
10085 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10087 2006-06-28 Roger Sayle <roger@eyesopen.com>
10089 * genpreds.c (generate_switch_p): New function.
10090 (add_mode_tests): Push the new mode test down inside an AND expr
10091 if this allows the switch-suitable MATCH_CODE to be near the root.
10092 (write_match_code_switch): New function to write a MATCH_CODE as
10093 a switch statement.
10094 (write_predicate_stmts): New function to write a predicate RTX
10095 expression as a sequence of statements.
10096 (write_one_predicate_function): Use write_predicate_stmts.
10097 (write_tm_constrs_h): Likewise.
10099 2006-06-26 Fred Fish <fnf@specifix.com>
10101 * config/mips/t-sb1: New file.
10102 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10105 2006-06-26 DJ Delorie <dj@redhat.com>
10107 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10109 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10110 Jayant Sonar <jayants@kpitcummins.com>
10111 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10113 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10114 (subsi3, subsi3_1, subsi3_2): New.
10115 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10116 * config/m32c/mov.md (SI mov peephole): New.
10117 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10118 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10120 2006-06-26 Olivier Hainque <hainque@adacore.com>
10122 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10123 a CALL_EXPR target function declaration.
10125 2006-06-26 Richard Guenther <rguenther@suse.de>
10127 * tree.c (build_string): Do not waste tail padding in
10128 struct tree_string.
10130 2006-06-26 Richard Guenther <rguenther@suse.de>
10132 * ggc-page.c (init_ggc): Add missing element to size_lookup
10136 2006-06-23 Richard Guenther <rguenther@suse.de>
10138 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10139 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10140 alignment requests instead. Add verification code.
10141 Add struct tree_function_decl and struct tree_binfo size to
10142 extra_order_size_table. Add missing element to size_lookup
10145 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10147 PR middle-end/28151
10148 * fold-const.c (const_binop): Be prepared for self returning zero.
10149 Simplify code handling complex values.
10151 2006-06-24 Olivier Hainque <hainque@adacore.com>
10153 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10154 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10157 2006-06-24 Olivier Hainque <hainque@adacore.com>
10159 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10160 ARRAY_REF, so have the callback called for the low bound expression.
10162 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10164 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10165 * c-typeck.c (c_common_type): Disallow operations on decimal float
10166 types and other float types.
10167 * convert.c (convert_to_real): Don't ignore conversions involving
10168 decimal float types.
10170 2006-06-23 Olivier Hainque <hainque@adacore.com>
10172 * tree.c (max_int_size_in_bytes): New function, inspired from
10173 code in function.c:assign_temp.
10174 * tree.h (max_int_size_in_bytes): Declare.
10175 * function.c (assign_temp): Use it.
10176 * gimplify.c (create_tmp_var): Relax the assertions on the type
10177 properties, not mandating constant size any more.
10178 (force_constant_size): New static function.
10179 (gimple_add_tmp_var): Use it, forcing variable size to a
10180 constant upper bound if it is not constant on entry.
10182 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10185 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10186 for initialization and setting of one_only flag to ...
10187 (i386_pe_encode_section_info): ...here.
10188 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10189 Recheck that the symbol has not been defined.
10191 2006-06-23 Richard Guenther <rguenther@suse.de>
10193 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10194 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10195 alignment requests instead. Add verification code.
10196 Add struct tree_function_decl and struct tree_binfo size to
10197 extra_order_size_table. Add missing element to size_lookup
10200 2006-06-22 Roger Sayle <roger@eyesopen.com>
10201 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10203 PR middle-end/28131
10204 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10205 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10207 2006-06-23 Ben Elliston <bje@au.ibm.com>
10209 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10210 negate dn -- manipulate it directly.
10212 2006-06-22 Roger Sayle <roger@eyesopen.com>
10213 Steven Bosscher <stevenb.gcc@gmail.com>
10216 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10217 generated by gen_move_insn to add REG_LABEL notes if necessary.
10219 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10221 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10222 (leaf_entry): Remove use of MIN_ESA.
10224 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10226 PR rtl-optimization/28121
10227 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10230 2006-06-21 DJ Delorie <dj@redhat.com>
10232 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10234 (mulhisi3_r): Likewise.
10236 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10238 PR middle-end/28034
10239 * coverage.c (coverage_counter_alloc): Leave the index type
10241 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10244 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10246 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10247 section from the "Options for Code Generation Conventions".
10249 2006-06-21 Richard Henderson <rth@redhat.com>
10253 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10255 (global_symbolic_operand): Allow weak symbols, even if local_p.
10257 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10259 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10260 (find_interesting_uses_address): Punt if above function returns true.
10262 2006-06-21 Richard Guenther <rguenther@suse.de>
10264 * configure: Regenerated.
10266 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10268 * config/mips/mips.c (function_arg): Where one part of a
10269 complex argument is in registers and the other part in the stack,
10270 return a REG not a PARALLEL.
10272 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10274 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10275 when cross-compiling. Do not substitute libstdcxx_incdir.
10276 * configure: Regenerated.
10278 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10280 * varasm.c (mergeable_string_section): Check for embedded NULs and
10281 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10282 rather than TREE_STRING_LENGTH bytes.
10284 2006-06-21 Richard Guenther <rguenther@suse.de>
10286 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10287 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10290 2006-06-21 Richrad Guenther <rguenther@suse.de>
10292 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10293 Limit iteration over the dominators.
10295 2006-06-20 Roger Sayle <roger@eyesopen.com>
10297 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10298 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10300 2006-06-20 Richard Guenther <rguenther@suse.de>
10301 Michael Matz <matz@suse.de>
10303 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10305 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10306 * et-forest.h (et_free_pools): Prototype new function.
10307 * et-forest.c (et_free_tree_force): Free parent occurrence.
10308 (et_free_pools): New function.
10309 * dominance.c (free_dominance_info): Free et-forest alloc
10312 2006-06-20 Roger Sayle <roger@eyesopen.com>
10314 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10315 integer modes, attempt to directly construct an integer constant.
10317 * fold-const.c (native_encode_vector): Determine the size of each
10318 element from the vector type instead of the first vector element.
10320 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10321 if all of its elements/components are constant.
10322 (build_constructor_from_list): Likewise.
10324 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10326 PR tree-optimization/27331
10327 * tree-data-ref.c (free_data_ref): New function.
10328 (create_data_ref): Fail if the data reference has unknown access
10330 (free_data_refs): Use free_data_ref.
10332 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10334 PR middle-end/28075
10335 * tree-inline.c (setup_one_parameter): Strip useless
10336 type conversion before adding it to the IR.
10337 (declare_return_variable): Likewise.
10339 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10342 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10344 2006-06-19 Mike Stump <mrs@apple.com>
10346 * tree.c (variably_modified_type_p): VM arguments don't make the
10349 2006-06-19 Richard Guenther <rguenther@suse.de>
10351 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10352 type conversions after folding.
10354 2006-06-19 Richard Guenther <rguenther@suse.de>
10356 * ggc-page.c (extra_order_size_tab): Add entries with
10357 size of struct function and basic_block.
10358 (size_lookup): Extend to cover sizes up to 511.
10359 (ggc_alloc_stat): Adjust user.
10360 (ggc_pch_count_object): Likewise.
10361 (ggc_pch_alloc_object): Likewise.
10362 (ggc_pch_write_object): Likewise.
10364 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10366 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10367 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10370 2006-06-19 Denis Chertykov <denisc@overta.ru>
10372 * config/avr/libgcc.S : Correct my wrong previous commit.
10374 2006-06-19 Roger Sayle <roger@eyesopen.com>
10377 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10378 have stripped a SUBREG from the shift count, so we may need to
10379 convert_to_mode back to the type's mode before calling make_tree.
10380 Use new_amount instead of amount to avoid expanding a tree twice.
10382 2006-06-19 Richard Guenther <rguenther@suse.de>
10384 PR middle-end/28045
10385 * fold-const.c (operand_equal_p): Check if the argument types
10386 have the same precision before stripping NOPs.
10388 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10390 Fix PR tree-optimization/27341
10391 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10393 * tree-complex.c (pass_lower_complex): Update SMT usage.
10395 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10397 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10398 Add a new alternative to the constraint strings. Add move of
10399 operand 1 to 3 to the splitter definition.
10400 ("doloop_si_long"): Second contraint alternative removed.
10402 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10404 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10405 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10407 (AVR_HAVE_MOVW) Define.
10408 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10409 (ASM_SPEC): Add avr25.
10410 (LINK_SPEC): Add avr25.
10411 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10412 (base_arch_s): Add new member 'have_movw_lpmx'.
10413 (avr_arch_types): Init 'have_movw_lpmx'.
10414 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10415 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10416 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10417 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10418 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10420 (avr_file_start): Do not output '.arh' derective.
10421 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10422 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10423 * config/avr/avr.md (mcu_enhanced): Delete.
10424 (mcu_have_movw): Define.
10425 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10426 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10427 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10428 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10429 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10430 attiny861 and at86rf401 devices.
10432 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10434 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10437 2006-06-17 Karl Berry <karl@gnu.org>
10439 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10440 doc/gccint.texi, doc/install.texi (@dircategory): Use
10441 "Software development" instead of "Programming", following
10442 the Free Software Directory.
10444 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10446 * config/i386/i386.c (legitimate_tls_address)
10447 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10448 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10449 (*tls_dynamic_gnu2_combine_64): Likewise.
10451 2006-06-16 Richard Guenther <rguenther@suse.de>
10453 PR middle-end/27116
10454 * fold-const.c (negate_expr_p): Do not introduce undefined
10455 overflow in negating INTEGER_CSTs.
10456 (fold_negate_expr): Rename from negate_expr. Revert last
10457 change for folding BIT_NOT_EXPR. Change semantics to
10458 return NULL_TREE for non-simplified negations. Do not
10459 strip type conversions and unify type handling.
10460 (negate_expr): New function, wrap around fold_negate_expr
10461 but ensure building a tree always. Strip type conversions
10462 here, fold to result type.
10463 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10465 2006-06-16 Roger Sayle <roger@eyesopen.com>
10467 PR middle-end/27802
10468 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10469 that (would) return their results in stack registers.
10471 2006-06-16 Michael Matz <matz@suse.de>
10472 Richard Guenther <rguenther@suse.de>
10474 * fold-const.c (fold_truthop): Only return new tree node if
10475 we canonicalized something.
10477 2006-06-16 Richard Guenther <rguenther@suse.de>
10479 * function.h (enum function_frequency): Move declaration
10480 out of struct function.
10481 (struct function): Move bool fields and the enum to the bitfield
10482 section. Reorder elements to avoid padding. Remove unused
10483 fields left over from the RTL inliner removal.
10484 * function.c (free_after_compilation): Do not zero removed fields.
10485 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10486 (ipa-type-escape.o): Likewise.
10488 2006-06-16 Richard Guenther <rguenther@suse.de>
10490 * cgraph.h (struct cgraph_local_info): Turn bool elements
10492 (struct cgraph_node): Likewise.
10493 (struct cgraph_varpool_node): Likewise.
10495 2006-06-15 Richard Guenther <rguenther@suse.de>
10497 * fold-const.c (fold_truth_not_expr): Rename from
10498 invert_truthvalue. Give it fold_* semantics to avoid
10499 generating garbage.
10500 (invert_truthvalue): New function. Wrapper around
10501 fold_truth_not_expr.
10502 (optimize_minmax_comparison): Avoid creating garbage.
10503 (fold_unary): Use fold_truth_not_expr for folding
10505 (fold_ternary): Replace uses of invert_truthvalue with
10506 fold_truth_not_expr where applicable.
10507 * tree.h (fold_truth_not_expr): Prototype.
10509 2006-06-16 Richard Guenther <rguenther@suse.de>
10511 PR tree-optimization/27781
10512 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10513 * ipa-pure-const.c (target.h): Include.
10514 (analyze_function): Do not analyze functions that do not
10517 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10519 PR middle-end/27793
10520 * tree-dfa.c (referenced_vars_dup_list): Remove.
10521 (find_referenced_vars): Remove assert.
10522 (referenced_var_check_and_insert): Replace dup list with assert.
10523 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10524 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10526 2006-06-15 Richard Guenther <rguenther@suse.de>
10528 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10529 extra unused identifiers if not dumping.
10530 (create_variable_info_for): Likewise.
10532 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10534 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10535 (derive_constant_upper_bound): Derive more precise upper bound in
10536 common cases. Return type changed to double_int.
10537 (record_estimate): Reflect the changed return type of
10538 derive_constant_upper_bound.
10539 * double-int.c (double_int_zext, double_int_sext): Fix.
10541 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10543 * configure.ac (CFLAGS): Get them from the toplevel or from the
10544 configure invocation.
10545 * configure: Regenerate.
10546 * Makefile.in (CFLAGS): Substitute value provided by configure.
10548 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10551 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10552 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10553 rather than calling add_stmt on it.
10554 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10556 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10558 PR middle-end/27959
10559 * reload1.c (reload): Remove registers returned by update_eliminables
10560 from used_spill_regs.
10562 2006-06-13 DJ Delorie <dj@redhat.com>
10564 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10566 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10568 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10569 html__strip_dir, html__mkdir_p. Enhance install-html target.
10570 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10571 * configure: Regenerate.
10573 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10575 * fold-const.c (fold_cond_expr_with_comparison): Check for
10576 Objective-C++ as language in deciding COND_EXPR transformation.
10578 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10581 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10582 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10583 * config/sh/lib1funcs.h (SL, SL1): Define.
10584 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10585 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10586 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10587 (OBJS_Os_4_200): New variable.
10588 ($(T)libgcc-Os-4-200.a): Use it.
10589 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10590 when dividing 1 and/or by 0.
10592 2006-06-13 Roger Sayle <roger@eyesopen.com>
10594 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10595 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10596 * configure: Regenerate.
10598 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10600 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10601 for real instruction.
10603 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10605 PR middle-end/26807
10606 * haifa-sched.c (check_cfg): Handle special case.
10608 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10611 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10612 Add debug_info parameter. Chain the vars to the BLOCK instead
10613 of the BIND_EXPR if debug info are requested for them.
10614 (pop_gimplify_context): Adjust for above change.
10615 (gimple_add_tmp_var): Likewise.
10616 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10617 Add bool parameter.
10618 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10619 (convert_local_reference): Likewise.
10620 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10621 (finalize_nesting_tree_1): Request that debug info be emitted
10622 for debug_var_chain.
10624 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10626 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10627 for PR target/27863.
10629 2006-06-13 Richard Guenther <rguenther@suse.de>
10631 PR middle-end/27536
10632 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10634 2006-06-13 Richard Guenther <rguenther@suse.de>
10636 PR tree-optimization/27830
10637 * tree-inline.c (copy_body_r): For copying the operand
10638 of an ADDR_EXPR make sure to fold &* afterwards.
10640 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10642 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10643 lvalues in the fb_none case with side-effects.
10645 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10647 * tree-flow.h: Remove the prototype for
10648 compute_phi_arg_on_exit.
10649 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10650 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10653 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10655 * builtins.c (expand_builtin_return_addr): Only use
10656 frame_pointer_rtx when count == 0 and we are expanding
10657 __builtin_return_address.
10659 2006-06-12 Fred Fish <fnf@specifix.com>
10661 * config/mips/mips.c (mips_file_start): Create special section
10662 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10664 2006-06-11 Eric Christopher <echristo@apple.com>
10666 PR middle-end/27948
10667 * stor-layout.c (place_field): Remove check for
10668 remaining_in_alignment when aligning at the end of a run.
10670 2006-06-11 Eric Christopher <echristo@apple.com>
10673 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10676 2006-06-11 Roger Sayle <roger@eyesopen.com>
10679 Revert incorrect fix for PR target/27158
10680 2006-05-08 Roger Sayle <roger@eyesopen.com>
10681 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10682 of a reg_equiv_constant if the result is a legitimate constant.
10684 2006-06-11 Roger Sayle <roger@eyesopen.com>
10687 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10688 extract a CONST_VECTOR element and interpret it as an integer.
10689 (vspltis_constant): Use const_vector_elt_as_int instead of the
10690 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10691 * config/rs6000/predicates.md (easy_vector_const): Consider
10692 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10694 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10696 PR middle-end/27942
10697 * stor-layout.c (update_alignment_for_field): Don't add extra
10698 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10701 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10703 * config/mips/t-rtems: Add EL/EB multilib variants.
10705 2006-06-09 Mike Stump <mrs@apple.com>
10707 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10709 2006-06-09 David Daney <ddaney@avtrex.com>
10711 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10713 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10715 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10717 2006-06-09 Richard Guenther <rguenther@suse.de>
10719 PR tree-optimization/26998
10720 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10721 of signed types, only TYPE_MIN_VALUE is special, but for both,
10722 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10723 in this case, as is -fwrapv.
10725 2006-06-08 Mike Stump <mrs@apple.com>
10728 * config/darwin.c (darwin_asm_output_anchor): Disable
10729 -fsection-anchors on darwin for now.
10730 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10731 * rs6000/rs6000.c (optimization_options): Likewise.
10733 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10736 * config/i386/i386.c (classify_argument): Skip fields with invalid
10739 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10741 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10742 (cse_insn): Likewise for the stack_pointer_rtx.
10744 2006-06-08 Roger Sayle <roger@eyesopen.com>
10746 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10747 conditions from floating point comparisons.
10749 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10751 PR middle-end/27733
10752 * expmed.c (struct alg_hash_entry): Fix type of field T
10753 to match synth_mult argument.
10754 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10756 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10759 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10762 2006-06-08 Richard Guenther <rguenther@suse.de>
10764 PR middle-end/27116
10765 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10766 only, if overflow is defined and not trapping.
10767 (negate_expr): Likewise.
10769 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10771 PR tree-optimization/27872
10772 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10773 flag on the new exit edge of the unrolled loop.
10775 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10777 PR rtl-optimization/26449
10778 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10780 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10782 PR middle-end/27793
10783 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10784 referenced_variables with matching DECL_UID's.
10785 (find_referenced_vars): Make sure duplicate list is empty to start.
10786 (referenced_var_p): Remove.
10787 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10788 Check if var is in the list, and add if needed. Update the duplicate
10789 list if a different var is in the list with the same DECL_UID.
10790 (add_referenced_var): Call routine to check and insert.
10791 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10792 * tree-flow.h (referenced_vars_dup_list): External declaration.
10794 2006-06-07 Fred Fish <fnf@specifix.com>
10796 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10799 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10802 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10803 the imaginary and real parts of a clobbered register.
10804 Emit insn to set the imaginary part.
10806 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10808 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10809 in lieu of unwind-dw2-fde.c.
10811 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10813 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10815 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10818 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10819 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10820 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10821 V4SImode temporaries and operations instead.
10823 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10825 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10828 2006-06-06 Mike Stump <mrs@apple.com>
10830 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10831 installing during build.
10833 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10835 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10837 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10838 * config/ia64/ia64.c (params.h): New header.
10839 (ia64_optimization_options): New function to adjust parameters.
10840 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10841 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10842 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10844 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10846 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10848 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10851 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10853 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10854 Victor Kaplansky <victork@il.ibm.com>
10856 PR tree-optimization/26360
10857 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10860 2006-06-04 Roger Sayle <roger@eyesopen.com>
10861 Andrew Pinski <pinskia@physics.uc.edu>
10863 PR middle-end/27382
10864 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10865 for LABEL_DECL before calling DECL_WEAK.
10868 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10869 LABEL_DECL and PARM_DECL.
10871 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10875 * c-decl.c (grokdeclarator): Disallow variably modified types at
10876 file scope. Avoid marking shared array type of constant size as
10879 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10882 * c-common.c (fold_offsetof_1): Handle static members.
10884 2006-06-04 Eric Christopher <echristo@apple.com>
10886 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10887 (debug_rli): Output value for remaining_in_alignment.
10888 (update_alignment_for_field): Unconditionalize
10889 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10890 extra alignment code.
10891 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10892 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10893 * tree.h (record_layout_info_s): Remove prev_packed.
10894 * doc/extend.texi (ms_struct): Add documentation of format.
10896 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10898 * tree.h: Declare folding_initializer.
10899 * builtins.c (fold_builtin_constant_p): Give definite answer
10900 if folding inside an initializer.
10901 * fold-const.c: Define folding_initializer.
10902 (START_FOLD_INIT): Save and then set folding_initializer.
10903 (END_FOLD_INIT): Restore folding_initializer.
10905 2006-06-04 Richard Guenther <rguenther@suse.de>
10907 PR tree-optimization/27039
10908 * fold-const.c (fold_comparison): Handle pointer comparison
10909 again for all comparison codes. Compare offsets in signed
10911 (fold_binary): Move code from here.
10913 2006-06-03 Roger Sayle <roger@eyesopen.com>
10916 * config/i386/i386.c (construct_container): Split static issued_error
10917 flag into issued_sse_arg_error, issued_sse_ret_error and
10918 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10919 requires the use of x87 registers and the user explicitly
10920 specified the -mno-80387 command line option.
10922 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10924 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10925 HAVE_DECL_SIGALTSTACK.
10927 (segv_handler): Use MC_FLD.
10928 * configure.ac: Check for a sigaltstack declaration.
10929 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10930 * configure: Regenerate.
10931 * config.in: Regenerate.
10933 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10936 * Makefile.in (stmp-fixinc): Fix typo.
10938 2006-06-02 Roger Sayle <roger@eyesopen.com>
10940 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10941 are type correct. Clean-up.
10942 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10943 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10945 2006-06-01 DJ Delorie <dj@redhat.com>
10947 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10948 shift, as we've disabled the "switch" insn that needs it.
10950 2006-06-01 Per Bothner <bothner@bothner.com>
10952 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10953 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10954 * c-ppoutput.c (cb_define): Don't increment line 0.
10956 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10958 * doc/invoke.texi: Add cpu_type power6.
10959 * config.gcc: Add cpu_type power6.
10960 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10961 to power5+ with Altivec.
10962 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10963 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10965 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10967 * config/avr/avr.h (SET_ASM_OP): Define.
10969 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10971 * config/bfin/bfin.c: Fix comment typos.
10973 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10976 * doc/install.texi: Document --enable-bootstrap and
10977 --disable-bootstrap.
10979 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10981 * doc/install.texi: Document that InfoZIP can replace jar.
10983 2006-05-31 Roger Sayle <roger@eyesopen.com>
10985 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10986 isn't available, directly generate the simpler x87 patterns without
10987 the (use (const_int 0)).
10988 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10989 implementation isn't available.
10990 (*negdf2_1): Likewise.
10991 (*negxf2_1): XF mode negation is always done using the x87.
10992 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10994 2006-05-31 Roger Sayle <roger@eyesopen.com>
10996 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10997 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10999 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11001 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11003 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11004 * config/bfin/bfin.c (basic-block.h): Include.
11005 (struct machine_function): New.
11006 (bfin_init_machine_status): New.
11007 (override_options): Initialize init_machine_status.
11008 (bfin_hardware_loop): New.
11009 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11010 (DEF_VEC_P (loop_info)): New.
11011 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11012 (struct loop_info): New.
11013 (loop_info): New typedef.
11014 (struct loop_work): New.
11015 (loop_work): New typedef.
11016 (DEF_VEC_O (loop_work)): New.
11017 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11018 (bfin_dump_loops): New.
11019 (bfin_bb_in_loop): New.
11020 (bfin_scan_loop): New.
11021 (bfin_optimize_loop): New.
11022 (bfin_reorg_loops): New.
11023 (bfin_reorg): Use bfin_reorg_loops.
11024 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11026 (I_REGNO_P): Simplify.
11027 (DP_REGNO_P, DPREG_P): New macros.
11028 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11029 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11030 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11031 Add LT_REGS, LC_REGS, LB_REGS.
11032 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11034 (REGNO_REG_CLASS): Deal with loop registers.
11035 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11037 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11038 New constants for loop registers.
11039 (UNSPEC_LSETUP_END): New.
11040 (seq_insns): New define_attr. Set it for appropriate insns.
11041 (movsi_insn): Add alternatives for move from/to
11042 loop count registers.
11043 (doloop_end): New define_expand.
11044 (loop_end): New define_insn.
11045 (define_split for bad doloop_end): New.
11046 (lsetup_with_autoinit): New define_insn.
11047 (lsetup_without_autoinit): New define_insn.
11048 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11049 * config/bfin/predicates.md (lc_register_operand): New.
11050 (lt_register_operand): New.
11051 (lb_register_operand): New.
11052 (nondp_register_operand): New.
11053 (nondp_reg_or_memory_operand): New.
11054 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11056 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11058 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11059 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11061 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11063 * Makefile.in (CATALOGS): Add po/ prefix.
11064 * configure: Regenerated.
11066 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11069 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11070 a shift operand before calling shift_op. Avoid redundant call of
11073 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11074 DJ Delorie <dj@redhat.com>
11076 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11077 we're inserting is a singlt-bit constant.
11079 2006-05-30 Roger Sayle <roger@eyesopen.com>
11081 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11082 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11084 2006-05-30 Roger Sayle <roger@eyesopen.com>
11086 PR tree-optimization/23452
11087 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11088 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11089 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11090 complex values and with -ffast-math for FP complex values.
11092 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11094 * c-common.h: Remove the prototype for yyparse.
11095 * rtl.h: Remove the prototype for init_loop.
11097 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11099 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11102 2006-05-30 Roger Sayle <roger@eyesopen.com>
11104 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11106 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11107 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11109 2006-05-30 Dirk Mueller <dmueller@suse.de>
11112 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11113 for CONSTANT_CLASS_P expresisons.
11115 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11118 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11120 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11122 PR tree-optimization/27779
11123 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11124 initial_condition instead of CHREC_LEFT.
11126 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11128 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11129 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11130 Make prototypes ISO C90.
11132 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11133 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11135 * see.c (see_analyze_one_def): Correct check.
11136 (see_get_extension_data): Check if extension is parallel.
11137 (see_get_extension_reg): Likewise.
11139 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11142 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11143 into register for (code == GTU).
11145 2006-05-29 Roger Sayle <roger@eyesopen.com>
11147 PR tree-optimization/24964
11148 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11149 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11150 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11151 abs(x)*abs(x) as x*x for scalar floating point modes.
11153 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11155 PR middle-end/27745
11156 * lambda-code.c (perfect_nestify): Don't copy statements
11157 in the inner loop: move them to the inner loop header.
11159 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11162 * c-tree.texi: Document OpenMP directives and clauses.
11164 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11166 * varasm.c (globalize_decl): Fix indentation.
11168 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11171 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11172 pass_fre, pass_store_ccp, pass_copy_prop,
11173 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11174 pass_return_slot, pass_object_size, pass_lim,
11175 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11176 pass_loop_prefetch and pass_stdarg.
11178 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11180 * config/bfin/bfin.opt (mfdpic): New option.
11181 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11182 (EXTRA_MULTILIB_PARTS): Likewise.
11183 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11184 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11186 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11187 (CRT_CALL_STATIC_FUNCTION): New.
11188 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11190 (CRT_CALL_STATIC_FUNCTION): New.
11191 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11193 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11194 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11195 (initialize_trampoline): Changed to handle FD-PIC code generation.
11196 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11197 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11198 (override_options): Disallow -mid-shared-library -mfdpic combination.
11199 Can't do unaligned ops if FD-PIC.
11200 Turn off flag_pic if trying to generate non-id-shared-library
11201 non-fdpic code, since it's not supported.
11202 (bfin_assemble_integer): New function.
11203 (TARGET_ASM_INTEGER): Define.
11204 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11206 * config/bfin/crtn.s: Restore them.
11207 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11209 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11210 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11211 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11212 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11213 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11215 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11216 FDPIC_REGS and FDPIC_FPTR_REGS.
11217 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11218 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11219 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11220 (load_funcdescsi): New pattern.
11221 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11222 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11223 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11225 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11227 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11230 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11232 * tree-flow.h: Remove the prototype for add_type_alias.
11233 * tree-ssa-alias.c (add_type_alias): Remove.
11235 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11237 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11238 config/fr30/fr30.md, config/i386/i386-interix.h,
11239 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11240 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11241 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11242 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11243 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11244 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11245 Follow spelling conventions.
11246 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11247 Follow spelling conventions.
11249 2006-05-27 Richard Guenther <rguenther@suse.de>
11251 PR middle-end/27773
11252 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11253 to produce a constant of value 1 of generic type.
11255 2006-05-27 Dirk Mueller <dmueller@suse.de>
11257 * cgraphunit.c (decide_is_function_needed): Fix wrong
11260 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11262 PR rtl-optimization/27661
11263 * reload.c (find_reloads): When reloading a VOIDmode constant
11264 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11265 use Pmode as mode of the reload register.
11267 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11269 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11270 is enabled at -O and above.
11272 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11275 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11278 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11281 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11282 for anonymous variables explicitly declared by front ends.
11284 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11286 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11287 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11288 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11289 ref-all pointers, run a finalization pass for them.
11290 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11291 (finalize_ref_all_pointers): New function.
11292 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11293 regular pointer type to a ref-all pointer type.
11294 (get_tmt_for): Return the special memory tag for ref-all pointers.
11296 2006-05-25 Richard Guenther <rguenther@suse.de>
11298 PR middle-end/27743
11299 * fold-const.c (fold_binary): Do not look at the stripped
11300 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11302 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11304 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11305 for LT and GT if the computed range is effectively empty.
11307 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11310 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11311 mips_quad_format formats instead of ieee_single_format,
11312 ieee_double_format and ieee_quad_format formats, respectively.
11314 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11316 PR tree-optimization/27639
11317 PR tree-optimization/26719
11318 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11319 call to scev_probably_wraps_p.
11320 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11321 used_in_pointer_arithmetic_p, convert_step): Removed.
11322 (nowrap_type_p): New function.
11323 (scev_probably_wraps_p): Rewritten.
11324 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11325 chrec_convert if chrec_convert_aggressive might have been used.
11326 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11327 scev_direction): New functions.
11328 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11329 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11330 instead of convert_step.
11331 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11332 (convert_step): Declaration removed.
11333 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11335 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11337 * df-core.c: Added to header comments.
11338 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11339 df_ur_bb_info, df_urec_bb_info): Added comments.
11340 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11341 urec, ri problems): Fixed header comments.
11342 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11343 code from df_rd_transfer_function.
11345 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11347 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11348 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11349 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11351 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11353 * expr.c (undefined_operand_subword_p): New.
11354 (emit_move_multi_word): Do not generate move from undefined bits
11355 of a paradoxical subreg.
11357 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11359 PR rtl-optimization/27736
11360 * combine.c (replaced_rhs_value): New variable.
11361 (combine_instructions): Set it.
11362 (distribute_notes): When distributing a note in replaced_rhs_insn,
11363 check whether the value was used in replaced_rhs_value.
11365 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11368 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11369 add_referenced_var instead of add_referenced_tmp_var.
11370 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11371 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11372 add_referenced_var.
11373 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11374 tree_optimize_tail_calls_1): Use add_referenced_var.
11375 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11376 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11377 Use add_referenced_var.
11378 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11379 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11380 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11381 Use add_referenced_var.
11382 * tree-dfa.c (struct walk_state): Remove.
11383 (find_referenced_vars): Remove walk state and vars_found hash table.
11384 (make_rename_temp): Use add_referenced_var.
11385 (find_vars_r): Pass less parameters to add_referenced_var.
11386 (referenced_var_p): New. Is var in referenced_var hash table.
11387 (referenced_var_insert): Assert var isn't already in hash table.
11388 (add_referenced_var): Don't need walk_state parameter. Add var if it
11389 isn't already in the hash table.
11390 (add_referenced_tmp_var): Remove.
11391 (find_new_referenced_vars_1): Use add_referenced_var.
11392 * tree-ssa-pre.c (create_expression_by_pieces,
11393 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11394 Use add_referenced_var.
11395 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11396 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11397 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11398 add_referenced_var.
11399 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11400 vect_create_data_ref_ptr, vect_create_destination_var,
11401 vect_init_vector, vect_build_loop_niters,
11402 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11403 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11404 Use add_referenced_var.
11405 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11406 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11407 (add_referenced_var): Add prototype.
11408 * tree-ssa-structalias.c (get_constraint_for,
11409 intra_create_variable_infos): Use add_referenced_var.
11411 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11413 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11414 big-endian paradoxical subregs.
11415 * var-tracking.c (struct micro_operation_def): Document that,
11416 for modify micro operations, insn is the subsequent instruction.
11417 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11418 (var_reg_set, var_mem_set): ... new functions.
11419 (add_stores): Record subsequent insn.
11420 (compute_bb_dataflow): Use new functions for MO_USE.
11421 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11422 notes after the insn, and modify notes before the insn known
11423 to be the subsequent one.
11424 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11426 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11429 * config/i386/i386.c (ix86_expand_builtin): Use
11430 gen_sse3_monitor64 for TARGET_64BIT.
11432 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11434 PR rtl-optimization/26375
11435 PR rtl-optimization/26855
11436 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11438 (df_ru_bb_local_compute): Reversed statements and removed bogus
11439 comment explaining why they should be in wrong order.
11440 (df_ru_dump, df_rd_dump): Enhanced debug info.
11441 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11443 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11444 reaching uses and fixed space problem.
11446 2006-05-23 Jan Hubicka <jh@suse.cz>
11448 * cgraphunit.c (decide_is_function_needed): Also nested functions
11449 and functions declared inline can be optimized out at -O0.
11451 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11453 * doc/install.texi (Configuration): Remove reference to CrossGCC
11454 FAQ which was gone.
11457 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11460 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11461 ix86_compare_emitted is non-NULL.
11463 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11466 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11469 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11471 PR rtl-optimization/25514
11472 * combine.c (replaced_rhs_insn): New variable.
11473 (combine_instructions): Set replaced_rhs_insn when trying to replace
11474 a SET_SRC with a REG_EQUAL note.
11475 (distribute_notes): Use replaced_rhs_insn when determining the live
11476 range of a REG_DEAD register.
11478 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11479 Anatoly Sokolov <aesok@post.ru>
11481 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11482 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11483 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11484 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11485 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11486 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11487 at90usb647, at90usb1286 and at90usb1287 devices.
11488 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11489 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11491 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11493 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11495 2006-05-22 Richard Guenther <rguenther@suse.de>
11498 2006-01-31 Richard Guenther <rguenther@suse.de>
11499 Paolo Bonzini <bonzini@gnu.org>
11501 * doc/install.texi (--disable-libgcc-math): Document.
11503 2006-05-22 Richard Guenther <rguenther@suse.de>
11506 2006-01-31 Richard Guenther <rguenther@suse.de>
11508 * doc/invoke.texi (-msselibm): Document.
11509 * target.h (expand_library_builtin): New target hook.
11510 * builtins.c (expand_builtin): Use expand_library_builtin.
11511 (default_expand_library_builtin): New function.
11512 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11513 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11514 (link_gcc_math_spec): Declare.
11515 (static_specs): Add link_gcc_math_spec.
11516 * expr.h (default_expand_library_builtin): Declare.
11517 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11518 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11519 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11520 * config/i386/i386.opt (msselibm): New target option.
11521 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11522 (ix86_init_sse_abi_builtins): New function.
11523 (ix86_expand_library_builtin): Likewise.
11524 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11525 (override_options): Handle error conditions wrt -msselibm.
11526 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11527 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11528 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11531 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11534 * c-common.c (self_promoting_args_p): Skip erroneous args.
11537 * c-decl.c (finish_struct): Skip erroneous fields.
11539 2006-05-22 Nick Clifton <nickc@redhat.com>
11541 * config/cris/cris.opt (march): Remove VarExists attribute.
11542 (max-stackframe=): Likewise.
11544 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11546 * doc/rtl.texi: Fix a typo.
11547 * see.c: Fix comment typos.
11549 * tree-ssa-structalias.h (alias_info): Remove num_references.
11551 2006-05-21 Mike Stump <mrs@apple.com>
11553 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11555 (darwin_pragma_options): Use BAD instead.
11556 (darwin_pragma_unused): Likewise.
11557 (darwin_pragma_ms_struct): Likewise.
11559 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11561 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11563 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11565 PR rtl-optimization/27671
11566 * simplify-rtx.c (simplify_relational_operation_1): Fix
11567 simplifications of (eq/ne (xor x y) y) and
11568 (eq/ne (xor x y) x).
11570 PR tree-optimization/26622.
11571 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11574 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11576 * tree-cfg.c: Prune whitespace.
11577 (debug_tree_cfg): Point to correct header containing the
11580 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11582 PR middle-end/25776
11583 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11585 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11587 PR middle-end/25776
11588 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11589 or sorry count is non zero.
11591 2006-05-20 Andreas Schwab <schwab@suse.de>
11593 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11595 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11596 Kenneth Zadeck <zadeck@naturalbridge.com>
11598 PR rtl-optimization/26855
11600 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11602 (df_scan_alloc): Added code to properly handle multiword hard
11603 registers and add all_blocks parameter.
11604 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11605 code to properly handle multiword hard registers.
11606 (df_rescan_blocks): Added code to remove deleted blocks from
11608 (df_ref_create_structure, df_ref_record): Added code to properly
11610 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11611 and set DF_REF_PARTIAL.
11612 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11613 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11614 (df_scan_add_problem): Added flags parameter.
11615 (df_ref_create_structure): Changed switching structure.
11616 (df_bb_refs_record): Fixed case where duplicate artificial refs
11617 were created. Changed location of flags.
11618 (df_record_entry_block_defs): Added code to make stack pointer
11619 live in entry block. Refined cases where frame pointer is needed.
11620 Changed location of flags.
11621 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11622 (df_set_state): Removed function.
11623 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11624 df_insn_create_insn_record, df_insn_refs_delete,
11625 df_ref_create_structure): Formatting changes.
11626 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11627 df_delete_basic_block): New function.
11628 (df_init): Changed location of flags.
11629 (df_add_problem): Added flags parameter and the way flags are
11631 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11632 debug_df_chain): Improved debugging output.
11633 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11634 (df_refs_chain_dump): Removed df parameter.
11635 (df_iterative_dataflow): Added consistency check.
11636 (df_prune_to_subcfg): Made public.
11637 (df_analyze_problem): Added blocks_to_init parameter and made
11639 (df_ref_record, df_bb_refs_record, df_mark_reg,
11640 df_record_exit_block_uses): Whitespace changes.
11641 (df_dump): Whitespace changes.
11642 * df.h: Some reordering to remove forward references.
11643 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11644 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11645 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11646 (dataflow.flags): New field.
11647 (df.flag): Deleted field.
11648 (df_alloc_function): Added additional bitmap parameter.
11649 (df_dependent_problem_function): New type.
11650 (df_problem.changeable_flags): New field.
11651 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11652 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11653 (df_mw_hardreg): New struct.
11654 (DF_INSN_UID_MWS): New macro.
11655 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11657 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11658 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11659 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11660 (df_set_state): Removed function.
11661 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11662 * df-problems.c (df_chain_dump): Removed df parameter.
11663 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11664 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11666 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11667 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11668 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11669 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11670 DF_REF_MUST_CLOBBER cases.
11671 (df_ru_bb_local_compute_process_def,
11672 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11673 df_lr_bb_local_compute, df_ur_bb_local_compute,
11674 df_chain_create_bb): Made subreg aware.
11675 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11676 df_lr_bb_local_compute, df_lr_bb_local_compute,
11677 df_chain_create_bb): Cleanup to use proper macros.
11678 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11679 code to fixup bitvectors.
11680 (df_ri_alloc): Cleared lifetime.
11681 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11682 df_create_unused_note): New function.
11683 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11684 REG_DEAD and REG_UNUSED notes as well as register information.
11685 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11686 df_chains_dump): Fixed crash if problem was never run.
11687 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11688 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11689 df_ri_add_problem): Processes flags in uniform manner.
11690 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11691 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11692 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11693 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11694 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11695 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11696 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11697 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11698 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11699 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11700 * see.c (see_initialize_data): Ditto.
11701 * final.c (rest_of_clean_state) Added regstack_completed.
11702 * rtl.h (regstack_completed): Ditto.
11703 * reg-stack.c (regstack_completed): Ditto.
11705 2006-05-19 Mike Stump <mrs@apple.com>
11707 * c-tree.h (default_conversion): Remove.
11708 * c-common.h (default_conversion): Add.
11710 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11712 * tree-vrp.c (valid_value_p): New function.
11713 (adjust_range_with_scev): Fail if the value of bound is not
11716 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11718 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11719 (mips_fallback_frame_state): Use syscall numbers to determine
11720 the appropriate li instruction for the current ABI. Only use
11721 __NR_sigreturn for o32.
11723 2006-05-19 Nicolas Setton <setton@adacore.com>
11725 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11726 * langhooks.c (lhd_dwarf_name): New function.
11727 * langhooks-def.h (lhd_dwarf_name): Declare.
11728 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11729 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11731 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11733 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11735 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11736 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11737 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11738 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11739 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11740 determine the size of Wtype, etc.
11741 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11742 (swfloatfuncs): New variable.
11743 (dwfloatfuncs): Likewise.
11744 (lib2funcs): Remove floating-point conversion functions from
11745 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11746 the set of conversion routines needed. Allow entries to specify
11747 an object name, filename and word size. Update users accordingly.
11748 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11749 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11753 2006-02-08 Roger Sayle <roger@eyesopen.com>
11756 * config/fixtfdi.c: New libgcc source file.
11757 * config/fixunstfdi.c: New source file.
11758 * config/floatditf.c: New source file.
11759 * config/floatunditf.c: New souce file.
11760 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11761 files above instead of config/mips/_tilib.c.
11762 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11764 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11766 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11767 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11769 2006-05-18 Mike Stump <mrs@apple.com>
11771 Fix up vla, vm and [*] sematics.
11777 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11778 (c_vla_unspec_p): Add.
11779 (c_vla_type_p): Add.
11780 * c-decl.c (struct c_scope): Add had_vla_unspec.
11781 (build_array_declarator): Add support for [*].
11782 (grokdeclarator): Likewise.
11783 (grokparms): Likewise.
11784 (get_parm_info): Likewise.
11785 * c-objc-common.c (c_vla_unspec_p): Likewise.
11786 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11787 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11788 typeof when argument is a variably modified type not inside sizeof or alignof.
11789 (c_parser_direct_declarator_inner): Propagate errors.
11790 (c_parser_sizeof_expression): Add support for [*].
11791 (c_parser_parms_declarator): Initialize had_vla_unspec.
11792 (c_parser_parms_list_declarator): Likewise.
11793 * c-typeck.c (c_vla_type_p): Add.
11794 (composite_type): Add support for vla compositing.
11795 (comptypes_internal): Add support for vla compatibility.
11796 (c_expr_sizeof_expr): Evaluate vla arguments.
11797 * tree.c (variably_modified_type_p): Update comment for [*].
11799 2006-05-18 Michael Matz <matz@suse.de>
11802 * config.host: Make assignments to host_xmake_file cumulative.
11803 * config.host (*-darwin*): Test $host, not $target.
11805 2006-05-12 Stuart Hastings <stuart@apple.com>
11807 * config/i386/i386.opt (-mstackrealign): New flag.
11808 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11809 (ix86_handle_cconv_attribute): Emit error when
11810 force_align_arg_pointer attribute collides with too many regparms.
11811 (ix86_function_regparm): Limit regparms when used with
11812 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11813 Support stack-realigning prologue in non-main functions. Emit
11814 warning for nested functions under -mstackrealign, emit error for
11815 nested functions with force_align_arg_pointer attribute.
11816 * doc/extend.texi (force_align_arg_pointer): Document it.
11817 * doc/invoke.texi (-mstackrealign): Document it.
11819 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11821 PR rtl-optimization/27477
11822 * combine.c (try_combine): Don't split a parallel consisting
11823 of two sets into two individual sets if both sets reference
11826 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11828 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11829 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11831 * doc/options.texi (VarExists): Updated.
11833 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11835 * unwind-dw2.c: Add declarations for uw_update_context and
11836 uw_frame_state_for.
11837 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11838 detected, advance frame state and context once to skip over stub.
11840 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11842 PR middle-end/20256
11843 PR middle-end/26435
11844 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11845 Call rewrite_into_loop_closed_ssa only when something changed.
11846 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11847 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11848 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11849 Test for perfect_nest_p here. Fix formating.
11850 (replace_uses_equiv_to_x_with_y): Fix formating.
11851 (stmt_uses_op): Removed.
11852 (can_convert_to_perfect_nest): Removed loopivs parameter.
11853 Complete the test by checking the scalar dependences.
11854 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11857 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11860 From Dan Kegel <dank@kegel.com>:
11861 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11863 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11865 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11866 if the element type is variably modified without recursing.
11868 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11870 PR middle-end/27332
11871 * tree-loop-linear.c (try_interchange_loops): Test for
11872 no data dependences.
11874 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11876 PR tree-optimization/27548
11877 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11878 range of ssa names that appear on abnormal edges.
11879 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11880 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11882 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11884 PR middle-end/27620
11885 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11887 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11889 PR middle-end/27415
11890 * tree.h (OMP_PARALLEL_COMBINED): Define.
11891 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11892 (new_omp_context): Add is_combined_parallel argument.
11893 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11894 new_omp_context caller.
11895 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11896 Adjust gimplify_scan_omp_clauses callers.
11897 (omp_is_private): Issue errors if iteration variable is firstprivate
11898 or reduction in the current context.
11899 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11900 on combined parallel workshare constructs.
11902 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11904 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11905 (gcc-options.o): New rule.
11907 * optc-gen.awk: Protect variables for gcc-options.o with
11908 #ifdef GCC_DRIVER/#endif.
11910 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11912 Fix PR tree-optimization/27373
11913 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11914 (forward_propagate_addr_expr): Update call.
11916 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11918 * doc/options.texi: Move the Negative option.
11920 2006-05-16 Richard Guenther <rguenther@suse.de>
11922 PR tree-optimization/22303
11923 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11925 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11926 ccp_fold did not simplify the statement.
11928 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11931 * Makefile.in (GCC_OBJS): New.
11932 (OBJS-common): Add opts-common.o.
11933 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11934 (cpp$(exeext)): Likewise.
11935 (gcc.o): Also depend on opts.h.
11936 (opts-common.o): New.
11938 * common.opt (gcoff): Add Negative(gdwarf-2).
11939 (gdwarf-2): Add Negative(gstabs).
11940 (gstabs): Add Negative(gstabs+).
11941 (gstabs+): Add Negative(gvms).
11942 (gvms): Add Negative(gxcoff).
11943 (gxcoff): Add Negative(gxcoff+).
11944 (gxcoff+): Add Negative(gcoff).
11945 * config/i386/i386.opt (m32): Add Negative(m64).
11946 (m64): Add Negative(m32).
11948 * doc/options.texi: Document the Negative option.
11950 * gcc.c: Include "opts.h".
11951 (main): Call prune_options after expandargv.
11953 * optc-gen.awk: Generate common declarations for all flag
11954 variables in options.c. Output the neg_index field.
11956 * opts.c (find_opt): Moved to ...
11957 * opts-common.c: Here. New file.
11959 * opts.h (cl_option): Add a neg_index field.
11961 (prune_options): Likewise.
11963 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11965 PR middle-end/27573
11966 * omp-low.c (expand_omp_parallel): Don't assert
11967 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11968 instead search for it.
11971 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11974 2006-05-16 Andreas Schwab <schwab@suse.de>
11976 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11979 2006-05-15 Roger Sayle <roger@eyesopen.com>
11982 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11983 integer constants other than zero are only legitimate on TARGET_64BIT.
11984 <CONST_VECTOR> Only zero vectors are legitimate.
11985 (ix86_cannot_force_const_mem): Integral and vector constants can
11986 always be put in the constant pool.
11988 2006-05-16 DJ Delorie <dj@redhat.com>
11990 * crtstuff.c (__dso_handle): Set section from
11991 TARGET_LBIGCC_SDATA_SECTION if defined.
11992 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11993 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11995 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11998 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12001 2006-05-16 Ben Elliston <bje@au.ibm.com>
12003 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12005 2006-05-15 Per Bothner <per@bothner.com>
12007 * tree.c: (last_annotated_node): Use source_locus typedef.
12008 This permits bootstrapping with --enable-mapped-location.
12010 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12012 PR tree-optimization/26830
12013 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12014 (info_for_ssa_name, current_info_for_ssa_name_age,
12015 blocks_to_update): New variables.
12016 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12017 (clear_ssa_name_info, initialize_flags_in_bb,
12018 mark_block_for_update): New functions.
12019 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12020 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12021 prepare_def_site_for): Use mark_block_for_update.
12022 (mark_def_interesting): Assert that the processed block is marked in
12023 blocks_to_update. Do not take blocks argument.
12024 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12026 (rewrite_update_init_block, rewrite_update_stmt): Only process
12027 blocks with statements to rewrite.
12028 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12029 (update_ssa): Initialize and free blocks_to_update. Do not
12030 clear flags on statements. Do not use blocks bitmap.
12031 * tree.h (SSA_NAME_AUX): Removed.
12032 (struct tree_ssa_name): Removed aux field.
12033 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12035 2006-05-15 Richard Guenther <rguenther@suse.de>
12037 PR tree-optimization/27603
12038 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12039 Do computations in original type.
12041 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12043 * see.c: Code style changes such as redundant paranthesis,
12044 redundant intialization of local variables etc.
12045 (see_main): Declared now as static.
12046 * doc/invoke.texi: Update that -fsee is not enabled by
12049 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12051 * omp-low.c (check_omp_nesting_restrictions): New function.
12052 (scan_omp_1): Call it.
12054 PR middle-end/27416
12055 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12056 construct, return *VAR.
12058 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12060 PR rtl-optimization/27406
12061 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12064 2006-05-14 Roger Sayle <roger@eyesopen.com>
12066 PR rtl-optimization/27538
12067 * combine.c (expand_compound_operation): Call gen_lowpart
12068 before calling simplify_shift_const.
12070 2006-05-14 Roger Sayle <roger@eyesopen.com>
12072 PR rtl-optimization/22563
12073 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12074 a fixed width bitfield, always force the intermediates into psuedos.
12076 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12079 * mkconfig.sh: Use operator = instead of == for test.
12081 2006-05-13 Nick Clifton <nickc@redhat.com>
12083 * dwarf2out.c (dbx_reg_number): Check return value from
12084 LEAF_REG_REMAP and only use it if it is valid.
12085 (multiple_reg_loc_descriptor): Likewise.
12087 2006-05-13 Richard Guenther <rguenther@suse.de>
12089 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12092 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12094 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12095 information attached to non-INSNs such as NOTEs.
12096 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12098 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12100 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12102 * config/s390/s390.md: Adjust comment describing On constraint.
12104 2006-05-11 Jan Hubicka <jh@suse.cz>
12106 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12107 to be output at -O0.
12109 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12111 PR middle-end/27384
12112 * fold-const.c (size_binop): Move sanity check for arguments to
12113 the beginning of the function.
12115 PR middle-end/27488
12116 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12119 2006-05-11 Richard Guenther <rguenther@suse.de>
12121 PR middle-end/27529
12122 * fold-const.c (fold_unary): Handle intermediate conversion
12123 to a pointer type like intermediate conversion to an integer
12124 type in folding of (T1)(T2)var to var.
12125 Match the code to the comment in the final conversion for
12126 (T1)(T2)var to (T1)var regarding to type precision. Rather
12127 than disallow T1 being of pointer type, assert that both T1
12128 and var are of pointer type or not. Make sure not to fall
12129 over the frontends lazyness wrt array to pointer decay though.
12131 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12133 * arm.c (arm_struct_value_rtx): Delete.
12134 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12135 (arm_init_cumulative_args): Always initialize nregs to zero.
12137 2006-05-10 Richard Guenther <rguenther@suse.de>
12139 PR tree-optimization/27532
12140 * tree-object-size.c (plus_expr_object_size): Fix typo.
12142 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12145 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12146 ashrdi_const, ashrdi3): Use a scratch register.
12148 2006-05-10 Richard Guenther <rguenther@suse.de>
12150 PR tree-optimization/27302
12151 * fold-const.c (operand_equal_p): For two comparisons,
12152 try comparison of one comparison code swapped if that yields
12155 2006-05-10 Ben Elliston <bje@au.ibm.com>
12157 * tree-pretty-print.c (pretty_print_string): No need to handle
12158 '\0' as a special character.
12160 * tree.h: Include "hashtab.h".
12161 (iterative_hash_expr): Use hashval_t in its prototype.
12162 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12164 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12167 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12168 (hppa*64*-*-hpux11*): Ditto.
12169 (hppa[12]*-*-hpux11*): Ditto.
12171 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12174 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12176 2006-05-09 Michael Matz <matz@suse.de>
12178 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12179 host_extra_gcc_objs and host_xmake_file.
12180 (<*-*-linux*>): Don't overwrite host_xmake_file.
12181 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12182 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12183 (host_detect_local_cpu): Declare.
12184 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12185 * config/i386/i386.c (override_options): Handle -mtune=native
12187 * config/i386/x-i386: New file.
12188 * config/i386/driver-i386.c: New file.
12189 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12192 2006-05-09 Dirk Mueller <dmueller@suse.de>
12193 Richard Guenther <rguenther@suse.de>
12195 PR middle-end/27498
12196 * fold-const.c (fold_read_from_constant_string): Relax check
12197 for matching types to matching modes.
12199 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12201 PR rtl-optimization/27335
12202 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12205 2006-05-08 Chao-ying Fu <fu@mips.com>
12206 Richard Sandiford <richard@codesourcery.com>
12208 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12209 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12210 * config/mips/mips.md (UNSPEC_SCC): New constant.
12211 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12212 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12213 (mips_emit_compare): Use it.
12214 (mips_expand_vcondv2sf): New function.
12216 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12218 Fix PR tree-optimization/27093
12219 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12220 renaming when they become not-used_alone.
12222 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12224 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12225 relocation and relocation stubs.
12227 2006-05-08 Eric Christopher <echristo@apple.com>
12229 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12232 2006-05-08 Jan Hubicka <jh@suse.cz>
12234 PR middle-end/24561
12235 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12236 unused static functions are needed.
12238 2006-05-08 Roger Sayle <roger@eyesopen.com>
12241 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12242 of a reg_equiv_constant if the result is a legitimate constant.
12244 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12247 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12248 standard 80387 constants, raise the cost to prevent
12249 compress_float_constant() to generate load from memory.
12251 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12253 * config/arm/constraints.md (c): Fix a typo.
12255 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12258 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12261 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12263 (_mm_mwait): Likewise.
12265 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12267 (sse3_monitor): Make it 32bit only.
12268 (sse3_monitor64): New. 64bit monitor.
12270 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12273 * config/i386/i386.c (classify_argument): Skip fields with invalid
12276 2006-05-07 Richard Guenther <rguenther@suse.de>
12278 PR tree-optimization/27409
12279 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12280 Do not try to find zero-sized subvars.
12282 2006-05-07 Richard Guenther <rguenther@suse.de>
12284 PR tree-optimization/27136
12285 * tree-ssa-loop-niter.c (get_val_for): Correct function
12286 comment, assert requirements.
12287 (loop_niter_by_eval): Stop processing if the iterated
12288 value did not simplify.
12290 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12292 * opts.c (flag_see): remove its setting at -O3.
12294 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12296 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12297 * arm/constraints.md: New file.
12298 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12299 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12300 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12301 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12302 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12303 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12304 * arm.md: Include constraints.md.
12305 (thumb_movsi_insn): Use satisfies_constraint_J.
12306 (movhi, movqi): Use satisfies_constraint_I.
12308 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12310 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12311 for atmeg a645 device.
12313 2006-05-06 Richard Guenther <rguenther@suse.de>
12315 PR tree-optimization/27151
12316 * tree-vect-transform.c (vectorizable_condition): Punt on
12317 values that have a different type than the condition.
12319 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12322 * c-parser.c (c_parser_cast_expression): Only insert casts into
12323 hash table if pointer.
12324 * function.c (used_types_insert_helper): Rename from
12326 (used_types_insert): Call used_types_insert_helper.
12327 * function.h (used_types_insert): Accept only one argument.
12329 2006-05-05 David Edelsohn <edesohn@gnu.org>
12331 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12332 scratch with output modifier.
12334 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12337 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12338 with output modifier.
12340 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12343 * config/mips/mips.c (mips_symbolic_address_p): Return true
12344 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12345 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12347 2006-05-04 Richard Guenther <rguenther@suse.de>
12349 PR tree-optimization/14287
12350 PR tree-optimization/14844
12351 PR tree-optimization/19792
12352 PR tree-optimization/21608
12353 PR tree-optimization/27090
12354 * tree-ssa-pre.c (try_combine_conversion): New function.
12355 (compute_avail): After constructing the value-handle
12356 expression, use try_combine_conversion to combine NOP_EXPRs
12357 with previous value-handle expressions and use the result if it
12360 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12362 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12364 2006-05-04 Jan Hubicka <jh@suse.cz>
12366 PR middle-end/25962
12367 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12369 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12371 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12372 that this only matches CONST_INTs. All users changed to VOIDmode
12375 * config/bfin/bfin.c: Include "optabs.h".
12376 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12378 (enum bfin_builtins): Add a number of fractional and vector builtins.
12379 (bfin_init_builtins): Likewise.
12380 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12381 (safe_vector_operand, bfin_expand_binop_builtin,
12382 bfin_expand_unop_builtin): New functions.
12383 (bfin_expand_builtin): Handle the new builtins.
12384 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12387 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12390 * Makefile.in (OBJS-common): Add see.o.
12391 (see.o): Add dependencies.
12392 * common.opt (fsee): New flag for the see optimization was added.
12393 * opts.c (flag_see): Initialized.
12394 * passes.c (init_optimization_passes, pass_see): New pass.
12395 * rtl.h (see_main): Declaration as extern.
12396 * timevar.def (TV_SEE): New.
12397 * tree-pass.h (pass_see): Declaration as extern.
12398 * invoke.texi (-fsee): Document.
12399 * recog.c (validate_simplify_insn): New function.
12400 * recog.h (validate_simplify_insn): Declaration as extern.
12401 * df-problems.c (df_chain_dump): Check for NULL.
12403 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12404 Daniel Berlin <dberlin@dberlin.org>
12406 * cfgrtl.c (insert_insn_bb_end_new): New function.
12407 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12409 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12411 * df.h (struct web_entry): Moved from web.c.
12412 (union_defs): Declaration as extern.
12413 (unionfind_root): Likewise.
12414 (unionfind_union): Likewise.
12415 * web.c (struct web_entry): Moved to df.h.
12416 (unionfind_root): Remove static declaration.
12417 (unionfind_union): Likewise.
12418 (union_defs): Likewise and generalize to use callback function.
12419 (web_main): Update arguments for union_defs function call.
12421 2006-05-04 Richard Guenther <rguenther@suse.de>
12423 PR tree-optimization/26447
12424 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12425 produce SSA_NAME copies before the store stmt to avoid
12426 breaking exception handling.
12428 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12430 PR middle-end/27388
12431 * gimplify.c (omp_is_private): If var is shared in some outer context,
12432 return false instead of true. Stop searching on parallel context
12435 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12438 * coverage.c: Use get_gcov_unsigned_t() instead of
12439 unsigned_type_node all over.
12441 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12443 PR tree-optimization/27381
12444 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12445 maintain the same immediate_use links.
12446 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12447 node rather than segfaulting.
12449 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12452 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12453 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12454 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12456 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12458 Fix PR tree-optimization/26626
12459 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12461 * tree-ssa-operands.c (access_can_touch_variable): Allow
12462 typecasting through union pointers.
12464 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12467 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12468 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12469 to find if var will be a global variable even in the nested context.
12470 (omp_copy_decl): Only check for global variable at the end, it might
12471 be overridden in outer contexts.
12472 (scan_sharing_clauses): For global variables don't create a field.
12473 (lower_rec_input_clauses): Do nothing for global shared variables.
12474 Emit a barrier at the end of ILIST if there were any decls in both
12475 firstprivate and lastprivate clauses.
12476 (lower_send_clauses): Do nothing for global variables except for
12479 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12481 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12482 of the correct signedness is returned.
12484 2006-05-02 Jeff Law <law@redhat.com>
12486 PR tree-optimization/27364
12487 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12488 multiply expressions.
12490 2006-05-02 Tom Tromey <tromey@redhat.com>
12492 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12494 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12497 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12498 -mthumb -fPIC are used.
12500 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12501 Joshua Kinard <kumba@gentoo.org>
12504 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12505 with 64-bit pointers.
12507 2006-05-02 Paul Brook <paul@codesourcery.com>
12509 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12511 (create_fix_barrier): Check that a suitable barrier location is
12513 (arm_reorg): Include ftmp->address in allowable range of addresses.
12515 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12518 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12521 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12523 PR middle-end/27337
12524 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12525 around RESULT_DECL for result passed by reference.
12526 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12527 * omp-low.c (use_pointer_for_field): Don't look at
12528 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12529 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12530 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12531 time or var for passing by reference for
12532 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12533 TREE_ADDRESSABLE variables when passing by reference.
12535 * omp-low.c (dump_omp_region): Fix output formatting.
12537 PR middle-end/27328
12538 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12539 (expand_omp_parallel): Likewise.
12540 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12542 PR middle-end/27325
12543 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12544 on statement list containing also constructors and destructors.
12545 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12547 PR middle-end/27310
12548 * except.c (duplicate_eh_regions): Fix clearing of
12549 cfun->eh->region_array entries.
12551 2006-05-01 DJ Delorie <dj@redhat.com>
12553 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12555 (gcc_cv_objdump): Likewise.
12556 * configure: Regenerated.
12558 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12561 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12562 templates for case 3 and 4.
12564 2006-05-01 DJ Delorie <dj@redhat.com>
12566 * vec.c: Include bconfig.h when appropriate.
12567 * Makefile.in (build/vec.o): Adjust dependencies.
12568 * mkconfig.sh: Make sure config.h isn't used for build machine
12571 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12573 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12575 (mark_phi_for_rewrite): New function.
12576 (insert_phi_nodes_for, mark_use_interesting): Call
12577 mark_phi_for_rewrite.
12578 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12579 (update_ssa): Initialize and free phis_to_rewrite.
12581 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12583 PR rtl-optimization/27291
12584 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12585 folded to a constant.
12587 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12589 PR tree-optimization/27283
12590 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12591 not whole # of iteration descriptions.
12592 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12593 uses abnormal ssa name.
12594 (niter_for_single_dom_exit): Ditto.
12595 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12596 return just the number of iterations.
12598 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12600 PR tree-optimization/27144
12601 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12602 (record_estimate): Only record constant upper bound.
12603 (infer_loop_bounds_from_undefined): Call
12604 compute_estimated_nb_iterations just once.
12605 (proved_non_wrapping_p): Renamed to ...
12606 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12607 (convert_step_widening, scev_probably_wraps_p): Call
12608 n_of_executions_at_most instead of proved_non_wrapping_p.
12609 (substitute_in_loop_info): Do not replace values in bounds.
12610 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12613 2006-05-01 Richard Henderson <rth@redhat.com>
12616 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12617 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12620 2006-05-01 Roger Sayle <roger@eyesopen.com>
12622 * c-typeck.c (parser_build_binary_op): Don't call the function
12623 unsigned_conversion_warning to spot operand/result type overflow.
12624 (build_binary_op): Instead, call convert_and_check instead of
12625 convert to report the problem when the operands are promoted.
12626 * c-common.c (unsigned_conversion_warning): Make static.
12627 * c-common.h (unsigned_conversion_warning): Delete prototype.
12629 2006-05-01 Richard Guenther <rguenther@suse.de>
12631 PR tree-optimization/26726
12632 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12634 (find_interesting_uses_address): ... we work around here
12635 by folding INDIRECT_REFs in the substituted base.
12637 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12639 * omp-low.c (dump_omp_region): Add newlines.
12641 2006-04-30 Roger Sayle <roger@eyesopen.com>
12643 * common.opt (Woverflow): New command line option.
12644 * c-common.c (constant_expression_warning): Check warn_overflow.
12645 (overflow_waring): Pass OPT_Woverflow to warning.
12646 (unsigned_conversion_warning): Likewise.
12647 (convert_and_check): Likewise.
12648 * doc/invoke.texi: Document new command line option.
12650 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12652 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12653 TARGET_NO_FP_IN_TOC for section anchors.
12654 (optimization_options): Enable section anchors for all
12655 non-"Objective" languages.
12657 2006-04-28 Eric Christopher <echristo@apple.com>
12659 * config/darwin-c.c (darwin_ms_struct): Move this
12660 (darwin_set_default_type_attributes): and this...
12661 * config/darwin.c: ... here.
12662 * config/darwin.h (darwin_ms_struct): Declare.
12664 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12666 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12668 2006-04-28 Roger Sayle <roger@eyesopen.com>
12671 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12672 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12673 an unsigned HOST_WIDE_INT.
12674 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12676 (really_start_incremental_init): No need to call convert because
12677 bitsize_zero_node is already of type bitsizetype.
12678 (push_init_level): Extract the value of constructor_index as an
12679 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12680 (process_init_element): Likewise.
12682 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12684 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12685 value before passing to make_relative_prefix.
12687 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12689 PR middle-end/27260
12690 * builtins.c (expand_builtin_memset): Expand val in original mode.
12692 2006-04-27 Eric Christopher <echristo@apple.com>
12694 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12695 with #ifndef/#endif.
12696 * config/darwin-c.c (darwin_ms_struct): New.
12697 (darwin_pragma_ms_struct): Ditto.
12698 (darwin_set_default_type_attributes): Ditto.
12699 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12700 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12701 Register ms_struct pragma.
12702 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12703 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12704 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12705 darwin_set_default_type_attributes if TARGET_MACHO.
12707 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12709 PR tree-optimization/26854
12710 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12711 * doc/tree-ssa.texi: Update immuse iterator documentation.
12712 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12713 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12714 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12715 first_safe_imm_use, next_safe_imm_use): Remove.
12716 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12717 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12718 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12719 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12720 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12721 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12722 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12723 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12724 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12725 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12726 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12727 (perfect_nestify): Use new iterator.
12728 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12730 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12731 (next_imm_name): New field in struct immediate_use_iterator_d.
12732 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12733 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12734 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12735 * tree-cfg.c (replace_uses_by): Use new iterator.
12736 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12737 * tree-ssa-operands.c (correct_use_link): Remove.
12738 (finalize_ssa_use_ops): No longer call correct_use_link.
12740 2006-04-27 Stuart Hastings <stuart@apple.com>
12742 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12743 * config/t-darwin (crt3.o): Use it.
12744 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12745 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12746 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12747 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12748 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12751 2006-04-27 Roger Sayle <roger@eyesopen.com>
12753 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12754 size, force the intermediate into a new pseudo rather instead of
12755 performing both a bitwise AND and a bitwise IOR in memory.
12757 2006-04-27 Richard Guenther <rguenther@suse.de>
12759 PR rtl-optimization/26685
12760 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12761 this one "max-flow-memory-locations".
12763 2006-04-27 Richard Guenther <rguenther@suse.de>
12765 PR tree-optimization/25148
12766 * tree-vrp.c (compare_values): Remove code dealing with
12767 comparisons against type min/max value. Honour overflow
12768 and negative constants in code dealing with comparisons
12769 of plus and minus expressions.
12770 (value_inside_range): Use fold_binary with LE_EXPR and
12771 GE_EXPR rather than compare_values.
12773 2006-04-27 Dirk Mueller <dmueller@suse.de>
12775 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12778 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12780 * basic-block.h (safe_insert_insn_on_edge): Removed.
12781 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12783 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12784 Paolo Bonzini <bonzini@gnu.org>
12786 PR middle-end/27282
12787 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12788 (simplify_and_const_int): Same.
12790 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12792 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12794 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12797 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12798 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12799 cgraph_global_info_ready.
12801 PR middle-end/26913
12802 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12805 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12806 either decl or init is error_mark_node.
12808 PR middle-end/25989
12809 * tree-flow.h (struct omp_region): Add sched_kind.
12810 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12811 instead of extracting omp for data.
12812 (expand_omp_for): Save extracted sched_kind.
12814 2006-04-25 Roger Sayle <roger@eyesopen.com>
12816 * expmed.c (store_bit_field): Also check whether the bitsize is
12817 valid for the machine's "insv" instruction before moving the
12818 target into a pseudo for use with the insv.
12819 * config/i386/predicates.md (const8_operand): New predicate.
12820 * config/i386/i386.md (extv, extzv, insv): Use the new
12821 const8_operand predicate where appropriate.
12823 2006-04-25 DJ Delorie <dj@redhat.com>
12825 * doc/install.texi (Specific): Clarify that this is not a list of
12826 supported hosts or targets.
12828 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12830 PR rtl-optimization/26725
12831 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12832 block's BB_DIRTY flag.
12834 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12836 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12839 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12840 to print an integer.
12842 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12844 * varasm.c (align_variable): New function.
12845 (get_block_for_decl): Apply align_variable to DECL before
12846 calculating section information.
12847 (assemble_variable): Split out alignment computation.
12849 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12851 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12854 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12856 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12857 MODE_PARTIAL_INT mode.
12858 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12859 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12861 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12862 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12864 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12866 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12868 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12869 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12870 MACFLAG_IH): Likewise.
12871 (movstricthi_1): Renamed from "*movstricthi".
12872 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12873 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12874 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12875 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12876 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12877 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12878 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12879 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12880 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12881 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12882 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12883 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12884 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12885 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12886 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12888 * doc/rtl.texi (ss_ashift): Improve wording.
12890 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12892 * dwarf2out.c (verify_marks_clear): New.
12893 (prune_unused_types): Call verify_marks_clear initially, not
12896 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12898 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12899 * doc/rtl.texi: Document them.
12900 * simplify-rtx.c (simplify_unary_operation,
12901 simplify_binary_operation_1): Don't abort when we see them.
12903 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12906 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12907 * configure.ac: Completely disregard languages that are not
12909 * configure: Regenerated.
12911 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12912 Richard Guenther <rguenther@suse.de>
12914 PR tree-optimization/27236
12915 * tree-inline.c (copy_body_r): Make sure to copy
12916 TREE_THIS_VOLATILE flag.
12918 2006-04-24 Richard Guenther <rguenther@suse.de>
12920 PR middle-end/26869
12921 * tree-complex.c (update_parameter_components): Don't handle
12922 unused parameters which have no default def.
12924 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12925 Richard Guenther <rguenther@suse.de>
12927 PR tree-optimization/27218
12928 * tree-inline.c (expand_call_inline): Strip useless type
12929 conversions for the return slot address.
12931 2006-04-24 Richard Guenther <rguenther@suse.de>
12933 * cfgloop.h (struct loops): Remove unused field array. Reorder
12935 (LOOP_PREFETCH): Remove.
12937 2006-04-24 Richard Guenther <rguenther@suse.de>
12939 PR tree-optimization/22525
12940 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12941 variable, adjust types of generated expressions.
12943 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12945 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12946 (tree-vect-patterns.o): Likewise.
12947 (jump.o): Likewise.
12948 (cselib.o): Likewise.
12949 (loop-doloop.o): Likewise.
12950 (regclass.o): Likewise.
12951 (reload1.o): Likewise.
12952 (explow.o): Replace target.h with $(TARGET_H).
12953 (ipa-prop.o): Likewise.
12954 (ipa-cp.o): Likewise.
12955 (ipa-inline.o): Likewise.
12956 (reorg.o): Likewise.
12957 (reg-stack.o): Likewise.
12959 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12961 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12963 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12965 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12967 * configure.ac: Completely disregard languages that are not
12969 * configure: Regenerated.
12972 * c-common.h (c_build_bitfield_integer_type): Declare.
12973 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12974 * c-common.c (c_build_bitfield_integer_type): ... here.
12976 2006-04-23 Roger Sayle <roger@eyesopen.com>
12979 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12980 a SImode SUBREG of a floating point register after no_new_pseudos.
12982 2006-04-23 Roger Sayle <roger@eyesopen.com>
12984 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12985 identify potentially eliminable registers to additionally catch
12986 VIRTUAL_INCOMING_ARGS_REGNUM.
12987 (addsi3): Update the conditions on when to use addsi_small_int.
12989 2006-04-23 Roger Sayle <roger@eyesopen.com>
12992 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12993 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12994 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12996 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12998 * fold-const.c (range_predecessor): Use operand_equal_p
12999 as the predicate for equality.
13000 (range_successor): Likewise.
13002 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13005 * config/soft-fp/op-common.h: Fix a typo.
13007 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13009 PR libmudflap/26864
13010 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13011 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13013 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13015 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13017 * doc/tm.texi: Fix a typo.
13019 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13021 * dwarf2out.c (struct die_struct): Document that die_sib makes
13022 a circular linked list.
13023 (FOR_EACH_CHILD): New.
13024 (reverse_die_lists): Delete.
13025 (reverse_all_dies): Delete.
13026 (add_dwarf_attr): Correct documentation.
13027 (remove_child_with_prev): New.
13028 (remove_child_TAG): Update for change to die_struct, use
13029 remove_child_with_prev.
13030 (add_child_die): Update for change to die_struct.
13031 (splice_child_die): Use remove_child_with_prev and add_child_die.
13032 (print_die): Use FOR_EACH_CHILD.
13033 (die_checksum): Likewise.
13034 (assign_symbol_names): Likewise.
13035 (output_location_lists): Likewise.
13036 (build_abbrev_table): Likewise.
13037 (calc_die_sizes): Likewise.
13038 (mark_dies): Likewise.
13039 (unmark_dies): Likewise.
13040 (unmark_all_dies): Likewise.
13041 (output_die): Likewise.
13042 (prune_unused_types_mark): Likewise.
13043 (prune_unused_types_walk): Likewise.
13044 (same_die_p): Update for change to die_struct.
13045 (break_out_includes): Likewise.
13046 (prune_unused_types_prune): Likewise.
13047 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13048 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13049 it's already clear.
13050 (dwarf2out_finish): Don't call reverse_all_dies.
13052 2006-04-21 Eric Christopher <echristo@apple.com>
13054 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13055 in comments and function names.
13057 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13060 * c-typeck.c (digest_init): Robustify.
13062 * c-typeck.c (pop_init_level): Simplify.
13064 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13066 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13068 2006-04-21 Paul Brook <paul@codesourcery.com>
13070 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13071 hardware floating point.
13073 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13075 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13078 2006-04-21 Nick Clifton <nickc@redhat.com>
13080 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13083 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13086 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13087 C++ lang type in traceback table for Objective-C++.
13089 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13091 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13093 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13095 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13098 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13099 were errors. Remove check for erroneous objects.
13101 2006-04-20 Jeff Law <law@redhat.com>
13103 PR tree-optimization/26854
13104 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13105 checking for zero or one use.
13106 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13107 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13108 * tree-ssa-reassoc.c (negate_value): Similarly.
13109 (reassociate_bb): Similarly.
13111 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13114 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13115 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13116 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13118 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13120 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13121 fp regs if the last fp arg doesn't fit in regs.
13123 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13126 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13127 that the last insn has the REG_INC note.
13129 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13130 Nathan Sidwell <nathan@codesourcery.com>
13133 * stor-layout.c (update_alignment_for_field): Do not align
13135 (place_union_field): Place union field at the start of the union.
13136 (place_field): Move ERROR_MARK check later, and use the current
13137 allocation position to maintain monotonicity.
13139 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13141 * dominance.c: Include timevar.h.
13142 (calculate_dominance_info): Use TV_DOMINANCE.
13143 * timevar.def (TV_DOMINANCE): New timevar.
13144 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13146 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13148 PR rtl-optimization/14261
13149 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13150 move would be an INSV insn.
13151 (noce_process_if_block): Don't optimize if the destination is a
13152 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13154 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13156 * config/s390/s390.md: Add comments with the instructions emitted
13157 by an insn pattern if macros are used.
13159 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13161 PR rtl-optimization/26026
13162 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13163 is a known power of two shifted left a variable amount.
13165 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13167 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13168 to hash table twice when the debug_str section has SECTION_MERGE.
13170 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13172 * config/soft-fp: New directory. From glibc.
13173 * config/soft-fp/t-softfp: New.
13174 * config/soft-fp/README: New.
13175 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13176 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13177 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13178 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13179 * config.gcc: Use rs6000/t-fprules-fpbit or
13180 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13182 * config/rs6000/sfp-machine.h: New. Based on glibc.
13183 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13185 * config/rs6000/t-fprules: Remove fp-bit rules.
13186 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13187 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13188 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13189 (softfp_wrap_start, softfp_wrap_end): New.
13191 2006-04-18 DJ Delorie <dj@redhat.com>
13193 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13195 2006-04-18 Devang Patel <dpatel@apple.com>
13197 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13199 2006-04-18 Nick Clifton <nickc@redhat.com>
13201 * config/sh/t-symbian: Add rule to build sh-c.o
13202 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13203 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13204 (sh_symbian_encode_section_info): Likewise.
13206 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13208 * builtins.c (expand_builtin_strcmp): Cover label definition of
13209 do_libcall with HAVE_cmpstrnsi.
13211 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13213 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13215 * function.h (temp_slot_p): New.
13216 (function): Change the type of x_used_temp_slots to
13217 VEC(temp_slot_p,gc) *.
13219 2006-04-18 Nick Clifton <nickc@redhat.com>
13221 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13222 flag_strength_reduce.
13224 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13226 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13230 Partial revert of revision 112637
13231 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13232 Dale Johannesen <dalej@apple.com>
13235 * regclass.c (struct reg_pref): Update documentation.
13236 (regclass): Set prefclass to NO_REGS if memory is the best option.
13237 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13239 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13241 PR tree-optimization/26821
13242 * tree-ssa-math-opts.c (get_constant_one): New.
13243 (insert_reciprocals): Use it.
13245 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13247 * dwarf2out.c (free_AT): Delete.
13248 (remove_AT): Update string ref counts.
13249 (remove_child_TAG): Don't call free_die.
13250 (free_die): Delete.
13251 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13252 or DW_TAG_GNU_EINCL.
13253 (prune_unused_types_walk_attribs): Reset string refcounts.
13254 (prune_unused_types_update_strings): New.
13255 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13256 call free_die. Do call prune_unused_types_update_strings.
13257 (prune_unused_types): Empty debug_str_hash.
13259 2006-04-17 Roger Sayle <roger@eyesopen.com>
13261 * expr.c (expand_assignment): Optimize away no-op moves where the
13262 source and destination are equal and have no side-effects.
13264 2006-04-17 Richard Guenther <rguenther@suse.de>
13267 * reload.c (push_reload): Guard calls to get_secondary_mem
13268 for memory subregs.
13270 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13272 * alias.c (reg_base_value, old_reg_base_value): Change the
13273 type to VEC(rtx,gc) *.
13274 (REG_BASE_VALUE, find_base_value, record_set,
13275 init_alias_analysis): Use VEC instead of VARRAY.
13277 * alias.c (alias_sets): Change the type to
13278 VEC(alias_set_entry,gc) *.
13279 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13280 VEC instead of VARRAY.
13281 (last_alias_set): Remove.
13283 * cgraph.h (cgraph_edge_p): New.
13284 Update the prototype of cgraph_function_versioning.
13285 * cgraphunit.c (cgraph_copy_node_for_versioning,
13286 cgraph_function_versioning): Use VEC instead of VARRAY.
13287 * ipa-cp.c (ipcp_insert_stage): Likewise.
13289 2006-04-16 Roger Sayle <roger@eyesopen.com>
13292 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13293 "A op B" or "A op C", we may need to convert A to the type of B and C.
13295 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13297 * target.h (struct gcc_target): Add mode_rep_extended.
13298 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13299 (init_num_sign_bit_copies_in_rep): Initialize it using
13301 (truncate_to_mode): Use it.
13302 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13303 * targhooks.h (default_mode_rep_extended): Declare it.
13304 * targhooks.c (default_mode_rep_extended): Define it.
13305 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13306 default_mode_rep_extended.
13307 (TARGET_INITIALIZER): Include it.
13308 * doc/tm.texi (Misc): Document it.
13309 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13310 (mips_truncated_to_mode): New function.
13312 2006-04-16 Roger Sayle <roger@eyesopen.com>
13314 PR middle-end/25474
13315 * expr.c (compress_float_constant): Copy the narrow constant into
13316 a new pseudo before extending it to its final width.
13318 2006-04-16 Roger Sayle <roger@eyesopen.com>
13319 Andrew Pinski <pinskia@gcc.gnu.org>
13320 Dale Johannesen <dalej@apple.com>
13323 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13324 special case code to implement V8HImode and V16QImode with SSE2.
13326 2006-04-15 Roger Sayle <roger@eyesopen.com>
13328 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13329 trees are constructed with a suitable tree type.
13331 2006-04-15 Roger Sayle <roger@eyesopen.com>
13333 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13334 (integer_onep): Likewise.
13335 (integer_all_onesp): Likewise.
13336 (integer_pow2p): Likewise.
13337 (integer_nonzerop): Likewise.
13338 (real_zerop): Likewise.
13339 (real_onep): Likewise.
13340 (real_twop): Likewise.
13341 (real_minus_onep): Likewise.
13342 (int_size_in_bytes): Likewise.
13343 (host_integerp): Likewise.
13345 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13347 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13348 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13349 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13351 * tree-ssa-structalias.h (alias_info): Remove num_references.
13353 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13355 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13356 (output_bvb patterns): Likewise.
13357 * pa.c (output_bb): Use 'bb' insn for long branch case.
13358 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13359 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13360 1. Correct length operand for alternatives 1 and 2.
13361 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13362 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13364 2006-04-14 Roger Sayle <roger@eyesopen.com>
13366 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13367 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13368 were accidentally reverted by r112959.
13370 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13372 PR middle-end/26823
13373 * except.h (eh_region_outermost): New prototype.
13374 * except.c (eh_region_outermost): New function.
13375 * tree-cfg.c (find_outermost_region_in_block): Use it.
13377 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13379 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13381 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13382 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13383 (init_reload, reload): Use VEC instead of VARRAY.
13384 * reload.h: Update the prototype for
13385 reg_equiv_memory_loc_varray.
13387 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13388 Eric Botcazou <ebotcazou@libertysurf.fr>
13390 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13391 register save area.
13393 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13395 PR middle-end/27134
13396 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13397 to expand fallback builtin function call.
13399 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13401 PR middle-end/27095
13402 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13403 and emit libcall here in case the builtin fails.
13404 (expand_builtin_strcmp): Always emit the libcall here on failure.
13406 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13408 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13409 * flow.c (reg_n_info): Change the type to
13410 VEC(reg_info_p,heap) *.
13411 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13413 * regs.h (reg_info_p): New.
13414 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13415 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13416 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13419 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13421 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13423 * params.h (MAX_SCHED_READY_INSNS): New macro.
13424 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13425 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13426 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13427 the ready list for 1 cycle during the first scheduling pass.
13428 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13430 2006-04-13 Richard Henderson <rth@redhat.com>
13433 * gimple-low.c (lower_omp_directive): Remove dead code.
13434 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13435 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13436 * omp-low.c (struct omp_region): Move to tree-flow.h.
13437 (root_omp_region): Export.
13438 (omp_regions, lookup_omp_region): Remove.
13439 (determine_parallel_type): Update for struct omp_region changes.
13440 (dump_omp_region): Dump regions with block numbers.
13441 (new_omp_region): Take type and block instead of stmt; malloc
13443 (free_omp_region_1, free_omp_regions): New.
13444 (expand_parallel_call): Take entry_stmt as argument; update for
13445 changes to omp_region.
13446 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13447 (remove_exit_barriers): New.
13448 (expand_omp_parallel): Update for struct omp_region changes.
13449 (expand_omp_synch): Likewise.
13450 (expand_omp): Likewise.
13451 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13452 (expand_omp_for_static_chunk): Likewise.
13453 (expand_omp_for): Likewise.
13454 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13455 (expand_omp_sections): Similarly, with GOMP_sections_end.
13456 (expand_omp_single): New.
13457 (build_omp_regions_1): Update for OMP_CONTINUE.
13458 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13459 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13460 OMP_SECTIONS_SECTIONS.
13461 (lower_omp_single_simple): Don't emit barrier here.
13462 (lower_omp_single_copy): Likewise.
13463 (lower_omp_single): Fix bindings, and lower to straightline now.
13464 (lower_omp_master, lower_omp_ordered): Likewise.
13465 (lower_omp_critical): Likewise.
13466 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13467 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13468 omp edges, free it afterward.
13469 (make_omp_sections_edges): Remove.
13470 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13471 (move_stmt_r): Handle OMP_CONTINUE.
13472 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13473 statement pointers to basic blocks. Add type member.
13474 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13475 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13476 * tree-inline.c (estimate_num_insns_1): Likewise.
13477 * tree-pretty-print.c (dump_generic_node): Likewise.
13478 * tree-ssa-operands.c (get_expr_operands): Likewise.
13479 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13480 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13481 (OMP_CONTINUE): New.
13482 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13483 (OMP_SECTIONS_SECTIONS): Remove.
13484 (OMP_SECTION_LAST): New.
13485 (OMP_RETURN_NOWAIT): New.
13487 2006-04-13 Roger Sayle <roger@eyesopen.com>
13489 * fold-const.c (native_encode_vector, native_interpret_real):
13490 Correct obvious mistakes in the previous check-in.
13492 2006-04-13 Roger Sayle <roger@eyesopen.com>
13494 * fold-const.c (native_encode_expr): New function to encode
13495 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13496 or VECTOR_CST into a specified buffer.
13497 (native_encode_int): New function.
13498 (native_encode_real): New function.
13499 (native_encode_complex): New function.
13500 (native_encode_vector): New function.
13501 (native_interpret_expr): Inverse of native_encode_expr to convert
13502 a target representation into an INTEGER_CST, REAL_CST etc...
13503 (native_interpret_int): New function.
13504 (native_interpret_real): New function.
13505 (native_interpret_complex): New function.
13506 (native_interpret_vector): New function.
13507 (fold_view_convert_expr): New function to constant fold/evaluate
13508 a VIEW_CONVERT_EXPR of a suitable constant expression.
13509 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13510 Change call of build1 to fold_build1 when constructing a
13513 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13514 Ulrich Weigand <uweigand@de.ibm.com>
13517 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13520 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13523 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13524 optimize to lo_sum for DFmode if !TARGET_FPRS.
13526 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13528 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13529 delete_alias_info, compute_flow_sensitive_aliasing,
13530 group_aliases): Use VEC instead of VARRAY.
13531 * tree-ssa-structalias.c (update_alias_info): Likewise.
13532 * tree-ssa-structalias.h (alias_info): Change the type of
13533 processed_ptrs to VEC(tree,heap) *.
13535 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13538 * config/sh/lib1funcs.h: New file, broken out of:
13539 * config/sh/lib1funcs.asm.
13540 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13542 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13543 * config/sh/lib1funcs-Os-4-200.asm: New file.
13544 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13545 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13546 (EXTRA_MULTILIB_PARTS): Include it.
13547 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13548 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13549 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13550 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13553 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13555 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13556 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13557 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13559 * tree-ssa-live.h: Include vecprim.h.
13560 (tree_partition_associator_d): Change the type of
13561 first_partition to VEC(int,heap) *.
13562 (tpa_first_partition): Use VEC instead of VARRAY.
13564 * Makefile.in (GTFILES): Move functions.h after tree.h.
13565 * function.c (reset_block_changes, record_block_change,
13566 check_block_change, free_block_changes): Use VEC instead of
13568 * function.h (function): Change the type of
13569 ib_boundaries_block to VEC(tree,gc) *.
13570 * tree-inline.c (copy_cfg_body): Initialize
13571 ib_boundaries_block to NULL instead of (varray_type) 0.
13573 2006-04-12 Roger Sayle <roger@eyesopen.com>
13575 * expr.c (emit_group_store): Correct operand order in call to
13576 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13577 a SUBREG_BYTE of zero.
13579 2006-04-12 Richard Guenther <rguenther@suse.de>
13581 * profile.c (compute_branch_probabilities): Remove code
13582 encapsulated in !ir_type (), which are remanents of the
13583 removed RTL profiling code.
13584 * rtl-profile.c: Remove.
13586 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13588 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13589 magic NULL_RTX comment.
13590 (function_arg): Store entire fp arg to mem if any part should go
13592 (rs6000_arg_partial_bytes): Adjust for above change.
13594 2006-04-11 Roger Sayle <roger@eyesopen.com>
13596 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13597 if it hasn't been initialized by dwarf2out_init.
13599 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13601 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13602 symbolic constants in branch patterns.
13604 2006-04-11 Roger Sayle <roger@eyesopen.com>
13606 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13608 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13610 PR rtl-optimization/27073
13611 * gcse.c (try_replace_reg): Revert last change. Continue to search
13612 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13615 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13617 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13618 aggregate types other than record and union types.
13619 (function_arg): Likewise.
13620 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13622 (function_value): In 64-bit mode, return objects that require it
13625 2006-04-11 Roger Sayle <roger@eyesopen.com>
13627 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13629 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13631 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13633 2006-04-03 Jeff Law <law@redhat.com>
13636 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13637 alias information too.
13639 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13641 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13643 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13646 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13647 (premark_used_types_helper): New.
13648 (premark_used_types): New.
13649 (gen_subprogram_die): Call premark_used_types.
13650 (prune_unused_types_walk): Do not prune perennial dies.
13651 * function.c (used_types_insert): New.
13652 * function.h (struct function): Add used_types_hash field.
13653 (used_types_insert): Add prototype.
13654 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13655 * c-parser.c (c_parser_cast_expression): Save casted types in used
13658 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13661 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13662 rs6000_explicit_options.float_gprs.
13664 2006-04-10 Roger Sayle <roger@eyesopen.com>
13666 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13667 from ix86_expand_vector_init_low_nonzero. Take an additional
13668 one_var argument indicating which element is non-zero. Support
13669 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13670 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13671 with one_var instead of ix86_expand_vector_init_low_nonzero.
13673 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13675 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13676 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13677 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13678 build/genextract.o): Depend on vecprim.h.
13679 * cfglayout.c, df-problems.c, function.c, genextract.c,
13680 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13681 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13685 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13687 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13688 Declare VECs of this type.
13689 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13690 (remove_children): Delete.
13691 (add_dwarf_attr): Use VEC routines.
13692 (add_AT_flag): Update for changes to add_dwarf_attr.
13693 (add_AT_int): Likewise.
13694 (add_AT_unsigned): Likewise.
13695 (add_AT_long_long): Likewise.
13696 (add_AT_vec): Likewise.
13697 (add_AT_string): Likewise.
13698 (add_AT_die_ref): Likewise.
13699 (add_AT_fde_ref): Likewise.
13700 (add_AT_loc): Likewise.
13701 (add_AT_loc_list): Likewise.
13702 (add_AT_addr): Likewise.
13703 (add_AT_lbl_id): Likewise.
13704 (add_AT_lineptr): Likewise.
13705 (add_AT_macptr): Likewise.
13706 (add_AT_offset): Likewise.
13707 (add_AT_range_list): Likewise.
13708 (get_AT): Use VEC_iterate.
13709 (remove_AT): Use VEC_ordered_remove.
13710 (free_die): Fold remove_children into here; have it use VEC_iterate.
13711 (print_die): Use VEC_iterate on attrs.
13712 (reverse_die_lists): Don't reverse attr lists.
13713 (die_checksum): Use VEC_iterate on attrs.
13714 (same_die_p): Likewise.
13715 (output_location_lists): Likewise.
13716 (build_abbrev_table): Likewise.
13717 (size_of_die): Likewise.
13718 (unmark_all_dies): Likewise.
13719 (output_abbrev_section): Likewise.
13720 (output_die): Likewise.
13721 (prune_unused_types_walk_attribs): Likewise.
13723 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13725 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13727 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13730 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13732 2006-04-09 Roger Sayle <roger@eyesopen.com>
13734 * expr.c (store_constructor): Don't bother clearing target if
13735 we're about to assign a vector to it using vec_init_optab.
13737 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13739 * tree-ssa-alias.c (lhs_may_store_to): New function.
13740 (recalculate_used_alone): Handle LHS of calls.
13742 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13746 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13747 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13748 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13749 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13750 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13751 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13752 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13753 stubs. Add ".align 8" directives before all ".dword" directives.
13754 (GTHREAD_USE_WEAK): Revise comment.
13755 (TARGET_ATTRIBUTE_WEAK): Define.
13756 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13757 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13758 * stublib.c: New file.
13763 * pa.md (cbranch patterns): Revise arguments used in calls to
13764 output_cbranch, output_bb and output_bvd. Add long branch length
13766 (fbranch patterns): Handle long branches.
13767 (jump): Revise length check. Revise arguments for output_lbranch call.
13768 Add long branch length attributes.
13769 (decrement_and_branch_until_zero): Add long branch length attributes.
13770 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13771 Likewise. Revise arguments for output_parallel_addb and
13772 output_parallel_movb calls.
13773 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13774 output_parallel_movb and output_parallel_addb): Update prototypes.
13775 * pa.c (output_cbranch): Revise arguments. Correct handling of
13776 nullification in long branches.
13777 (output_lbranch): Add new argument to control extraction of delay
13779 (output_bb): Handle long branches.
13780 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13781 output_parallel_addb): Likewise.
13783 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13785 PR rtl-optimization/27073
13786 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13789 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13791 * tree.h (tree_memory_tag): Add old_used_alone.
13792 (SMT_OLD_USED_ALONE): New macro.
13793 * tree-ssa-alias.c (recalculate_used_alone): Stop
13794 marking things for renaming unnecessarily.
13796 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13798 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13799 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13800 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13801 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13802 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13803 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13804 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13805 spelling convensions.
13806 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13807 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13808 typos. Follow spelling conventions.
13810 2006-04-07 DJ Delorie <dj@redhat.com>
13812 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13813 passed on the stack.
13814 (m32c_init_cumulative_args): When a function returns a structure,
13815 always pass the pointer to that return area on the stack.
13816 (m32c_function_arg_advance): Don't increment the parameter number
13817 if we're processing the returned structure pointer.
13818 (pushm_info): Reverse order of registers.
13820 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13822 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13823 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13824 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13825 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13826 build_int_cst_type.
13827 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13828 chrec_fold_multiply): Same.
13829 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13830 force_expr_to_var_cost): Same.
13831 * tree-mudflap.c (mf_xform_derefs_1): Same.
13832 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13834 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13836 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13837 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13840 2006-04-07 Jan Hubicka <jh@suse.cz>
13842 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13844 2006-04-07 Richard Guenther <rguenther@suse.de>
13846 PR tree-optimization/26135
13847 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13848 loads for store copy-prop.
13849 (copy_prop_visit_stmt): Likewise.
13851 2006-04-05 Robert Millan <robertmh@gnu.org>
13853 * config/i386/linux.h: Add a comment to mark macros that are
13854 being overriden in config/k*bsd-gnu.h.
13855 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13857 * config/knetbsd-gnu.h: Ditto.
13859 2006-04-06 Jan Hubicka <jh@suse.cz>
13863 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13866 2006-04-06 Mike Stump <mrs@apple.com>
13868 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13869 for HAVE_nonlocal_goto to be consistent.
13870 (expand_builtin_nonlocal_goto): Likewise.
13871 (expand_builtin_strcmp): Use #ifdef instead of #if
13872 for HAVE_cmpstrnsi to be consistent.
13874 2006-04-05 DJ Delorie <dj@redhat.com>
13876 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13879 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13881 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13882 got-relative addressing for anything but SImode.
13884 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13885 even if the calling function doesn't modify them.
13887 2006-04-05 Richard Guenther <rguenther@suse.de>
13889 PR tree-optimization/26919
13890 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13891 to cgraph_estimate_size_after_inlining.
13893 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13895 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13897 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13899 PR tree-optimization/26996
13900 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13901 VECTOR_TYPE variables.
13903 2006-04-05 Richard Guenther <rguenther@suse.de>
13905 PR tree-optimization/26763
13906 * fold-const.c (fold_comparison): Move folding of
13907 PTR + CST CMP PTR + CST ...
13908 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13910 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13912 * doc/install.texi (Prerequisites): Refine some wording on
13913 bootstrapping and ksh.
13914 Move the version numbers of DejaGnu here from the testing section
13915 and fix casing of names.
13916 Fix markup and clarify wording for autogen requirements.
13917 Refer to GCJ instead of just java.
13918 Refer to SVN instead of CVS.
13919 Describe diffutils as useful instead of necessary.
13920 (Downloading the source): Refer to SVN instead of CVS.
13921 Adjust a link to our web site accordingly.
13922 (Configuration): Fix casing of Bison.
13923 (Building): Refer to SVN instead of CVS.
13924 Fix a sentence on the use of Bison and remove duplicate (and
13925 incorrect) version number of Bison requirement.
13926 Remove one redundant list of packages needed for building.
13927 (Specific): Avoid reference to CVS.
13929 2006-04-04 Eric Christopher <echristo@apple.com>
13931 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13932 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13933 (rs6000_handle_struct_attribute): New.
13934 (rs6000_ms_bitfield_layout_p): Ditto.
13936 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13938 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13939 NULL for dso parameter to atexit_common.
13941 2006-04-04 Eric Christopher <echristo@apple.com>
13943 * config/i386/i386.c (machopic_output_stub): Output \t
13944 between instructions and operands.
13946 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13948 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13949 satisfies_constraint_[IL] to explicit tests on value.
13951 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13953 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13954 set_nb_iterations_in_loop): Use build_int_cst instead of
13955 build_int_cst_type.
13956 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13957 build_int_cst instead of convert.
13959 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13961 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13962 new value 2 for incoming.
13963 * function.c (expand_function_start): Call struct_value_rtx
13964 with incoming as 2.
13965 * config/sparc/sparc.md: Comment updated_return.
13966 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13967 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13968 struct return if sparc_std_struct_return and incoming is 2.
13969 (print_operand): Do not adjust return if
13970 sparc_std_struct_return.
13972 2006-04-04 Roger Sayle <roger@eyesopen.com>
13974 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13975 convert in the middle-end.
13976 * expr.c (store_expr, store_constructor, get_inner_reference,
13977 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13979 * tree.c (build_range_type): Likewise.
13981 2006-04-04 Tom Tromey <tromey@redhat.com>
13983 * doc/install.texi (Prerequisites): Mention jar.
13985 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13987 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13990 2006-04-04 Matthias Klose <doko@debian.org>
13992 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13996 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13999 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14001 * doc/extend.texi (Function Attributes): Rewrite visibility
14002 attribute documentation.
14003 * doc/invoke.texi (C++ Dialect Options): Rewrite
14004 -fvisibility-inlines-hidden documentation to describe something
14005 entirely different, although in practise compatible.
14006 (Code Gen Options): Warn about system headers in -fvisibility=
14009 * doc/extend.texi (Other Builtins): Document that
14010 __builtin_nan is a compile-time constant only when its argument
14013 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14015 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14016 trying to remove TRUNCATE check if all bits outside the new mode
14017 are identical to the sign bit.
14019 2006-04-03 Jeff Law <law@redhat.com>
14021 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14022 and operand scanning in some common cases.
14024 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14025 Dale Johannesen <dalej@apple.com>
14028 * regclass.c (struct reg_pref): Update documentation.
14029 (regclass): Set prefclass to NO_REGS if memory is the best option.
14030 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14031 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14032 into account. For non-registers, equate an empty preferred
14033 reload class to a `!' in the constraint; move the if clause to
14034 do so after those that reject the insn.
14035 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14037 (find_dummy_reload): Likewise.
14038 * doc/tm.texi (Register Classes): Document what it means
14039 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14040 * config/i386/i386.c (ix86_preferred_reload_class): Force
14041 using SSE registers (and return NO_REGS for floating-point
14042 constants) if math is done with SSE.
14043 (ix86_preferred_output_reload_class): New.
14044 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14045 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14046 * config/i386/i386.md: Remove # register preferences.
14048 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14051 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14052 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14053 the type of nb_iter.
14054 (instantiate_parameters_1): Convert the operands before calling
14055 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14056 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14058 2006-04-02 Roger Sayle <roger@eyesopen.com>
14060 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14061 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14062 instead of convert.
14063 * dojump.c (do_jump): Likewise.
14064 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14065 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14066 gimplify_boolean_expr): Likewise.
14067 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14068 * varasm.c (array_size_for_constructor): Likewise.
14069 * tree-object-size.c (compute_object_offset): Likewise.
14071 2006-04-02 Roger Sayle <roger@eyesopen.com>
14073 PR middle-end/26977
14074 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14075 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14077 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14079 PR tree-optimization/26939
14080 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14082 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14084 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14085 at_stmt. Convert the type of operands before calling
14086 build_polynomial_chrec.
14087 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14088 add_to_evolution_1.
14089 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14090 (instantiate_parameters_1): Convert the type of operands before calling
14091 build_polynomial_chrec.
14092 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14093 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14094 reset_evolution_in_loop): Insert asserts to check the types of the
14096 (chrec_type): Moved...
14097 (eq_evolutions_p): Use operand_equal_p.
14098 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14099 the types of the operands.
14100 (chrec_type): ...here.
14101 * tree-data-ref.c (create_data_ref): Convert the operands before
14102 calling chrec_replace_initial_condition.
14103 (same_access_functions, analyze_subscript_affine_affine,
14104 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14105 (compute_subscript_distance, analyze_ziv_subscript,
14106 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14107 analyze_miv_subscript): Convert the operands before calling
14108 chrec_fold_minus or chrec_fold_plus.
14110 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14112 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14113 the dependence_relations vector.
14114 (compute_data_dependences_for_loop): Adjust call to
14115 compute_all_dependences.
14117 2006-04-01 Roger Sayle <roger@eyesopen.com>
14118 Richard Henderson <rth@redhat.com>
14120 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14121 gimple_boolify on the condition before calling gimplify_expr.
14123 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14125 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14126 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14127 the frame size. Update to use the new macros.
14128 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14129 * config/xtensa/ieee754-df.S: Likewise.
14131 2006-03-31 Richard Henderson <rth@redhat.com>
14133 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14134 (make_edges): ... here. Control fallthru creation with a local
14135 variable. Do not play with fake edges.
14136 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14137 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14140 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14142 * dwarf2.h (DW64_CIE_ID): Define.
14143 * dwarf2out.c (DWARF_CIE_ID): Define.
14144 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14145 length header. Use DWARF_CIE_ID.
14146 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14147 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14149 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14151 * config/sh/linux-atomic.asm: New file.
14152 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14154 2006-03-31 DJ Delorie <dj@redhat.com>
14156 * config/m32c/cond.md: Set condition flags properly throughout.
14157 * config/m32c/minmax.md: Likewise.
14158 * config/m32c/prologue.md: Likewise.
14159 * config/m32c/bitops.md: Likewise.
14160 * config/m32c/muldiv.md: Likewise.
14161 * config/m32c/mov.md: Likewise.
14162 * config/m32c/addsub.md: Likewise.
14163 * config/m32c/m32c.md: Likewise.
14164 * config/m32c/jump.md: Likewise.
14165 * config/m32c/shift.md: Likewise.
14167 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14168 conditionally output the pattern for this.
14169 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14170 (m32c_compare_redundant): New.
14171 (m32c_output_compare): New.
14172 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14174 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14175 dest, not src. Allow other 4-byte modes.
14177 2006-03-30 Denis Chertykov <denisc@overta.ru>
14179 * doc/md.texi: Refer to avr/constraints.md instead of
14182 2006-03-30 Roger Sayle <roger@eyesopen.com>
14184 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14185 signed vs. unsigned comparison failures on some hosts.
14187 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14190 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14191 change to FLOAT_REGS.
14193 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14194 (rs6000_override_options): Use it.
14195 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14196 only for -mabi=spe/no-spe and -mabi=altivec.
14198 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14200 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14203 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14205 * Makefile.in: Rename docdir to gcc_docdir.
14207 2006-03-30 Roger Sayle <roger@eyesopen.com>
14210 * expr.c (emit_group_store): Optimize group stores into a pseudo
14211 register by using a paradoxical subreg to initialize the destination
14212 if the first or last member of the group specifies a "low part".
14214 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14217 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14218 * target.h (struct gcc_target.speculate_insn): Change type of the
14219 second parameter to 'int'.
14220 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14221 the second operand of the DEPS_LIST.
14222 (copy_DEPS_LIST_list): Update reference to the second operand of the
14224 * rtl.h (alloc_DEPS_LIST): Update signature.
14225 * sched-int.h (ds_t): Change typedef to 'int'.
14226 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14228 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14230 * haifa-sched.c (try_ready): Change condition to restore
14231 non-speculative pattern of the instruction.
14232 (process_insn_depend_be_in_spec): Code to keep probability of the
14233 speculative dependence non-decreasing.
14235 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14237 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14238 (single_move_for_movmem): ... this. Also change all uses.
14239 (bfin_expand_strmov): Renamed to...
14240 (bfin_expand_movmem): ... this. Also change all uses.
14241 * config/bfin/bfin.md (movstrsi): Renamed to...
14242 (movstrsi): ...this.
14244 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14246 PR tree-optimization/26830
14248 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14249 (copy_prop_visit_stmt): Remove write-only variable ann.
14250 (init_copy_prop): Check variable loop depth here. Do not simulate
14251 memory-tag and virtual operand PHIs except for store copy prop.
14253 2006-03-30 Richard Guenther <rguenther@suse.de>
14255 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14256 variants with double arguments.
14258 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14260 * genpreds.c (write_tm_constrs_h): Delete variable p.
14261 * genconditions.c (write_header): Add tm-constrs.h to included
14263 * genpeep.c (main): Add toplev.h to included headers.
14264 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14265 (build/genpeep.o): Add toplev.h dependency.
14266 * config/rs6000/constraints.md: Add "W" constraint.
14268 2006-03-29 Roger Sayle <roger@eyesopen.com>
14270 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14271 sizes by correctly testing whether the size fits a host integer.
14272 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14273 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14274 SImode range for the default sizetype and bitsizetype.
14276 2006-03-29 Roger Sayle <roger@eyesopen.com>
14278 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14279 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14280 quickly if the argument is already of the correct type.
14281 Call fold_build1 instead of build1. Tidy up blank lines.
14283 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14285 * genemit.c (main): Add tm-constrs.h to included headers.
14286 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14287 * genpeep.c (main): Add tm-constrs.h to included headers.
14288 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14289 (write_tm_constrs_h): this and write complete file.
14290 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14291 (write_insn_preds_c): Add tm-constrs.h to included headers.
14292 (gen_constrs): New variable.
14293 (parse_option): Parse "-c".
14294 (main): Invoke write_tm_constrs_h.
14295 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14296 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14297 (object_out_file): Add tm-constrs.h dependency.
14298 (insn-emit.o): Same.
14299 (insn-output.o): Same.
14300 (insn-peep.o): Same.
14301 (insn-preds.o): Same.
14302 (insn-recog.o): Same.
14303 (tm-constsr.h): New target.
14304 (s-constrs-h): New target.
14306 * config/rs6000/constraints.md: New file.
14307 * config/rs6000/rs6000.c: Include tm-constrs.h.
14308 (num_insn_constant_wide): Convert to satisfies_constraint.
14309 (rs6000_rtx_costs): Convert to satisfies_constraint.
14310 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14311 (CONST_OK_FOR_LETTER_P): Delete.
14312 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14313 (EXTRA_CONSTRAINT): Delete.
14314 (EXTRA_MEMORY_CONSTRAINT): Delete.
14315 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14316 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14317 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14318 satisfies_constraint.
14320 * config/i386/i386.c: Include tm-constrs.h.
14322 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14324 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14325 * tree-data-ref.c (find_data_references_in_loop,
14326 compute_data_dependences_for_loop): Use pointers to VEC.
14327 (analyze_all_data_dependences): Adjust calls.
14328 * tree-data-ref.h (find_data_references_in_loop,
14329 compute_data_dependences_for_loop): Adjust declarations.
14330 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14331 compute_data_dependences_for_loop.
14333 2006-03-29 Paul Brook <paul@codesourcery.com>
14335 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14336 (movdf_vfp): Ditto.
14338 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14340 PR tree-optimization/26859
14341 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14343 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14344 for the step after fold_convert.
14346 2006-03-29 Paul Brook <paul@codesourcery.com>
14348 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14349 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14351 2006-03-29 Paul Brook <paul@codesourcery.com>
14353 PR middle-end/23623
14354 * targhooks.c (default_narrow_bitfield): New fuction.
14355 * targhooks.h (default_narrow_bitfield): add prototype.
14356 * target.h (gcc_target): Add narrow_volatile_bitfield.
14357 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14358 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14359 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14360 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14362 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14364 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14366 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14367 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14368 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14369 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14370 (s390_function_arg_float): Allow SDmode and DDmode values to be
14371 passed in floating point registers.
14372 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14373 check with SCALAR_FLOAT_MODE_P.
14374 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14376 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14378 PR tree-optimization/25985
14379 * tree-ssa-loop-niter.c (number_of_iterations_le,
14380 number_of_iterations_ne): Make comments more precise.
14381 (number_of_iterations_cond): Add only_exit argument. Use the
14382 fact that signed variables do not overflow only when only_exit
14384 (loop_only_exit_p): New.
14385 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14386 number_of_iterations_cond.
14388 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14390 PR tree-optimization/26643
14391 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14394 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14396 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14397 (divsi3_i4_int): Likewise.
14399 2006-03-28 Roger Sayle <roger@eyesopen.com>
14401 * expr.c (emit_group_store): Only create a new pseudo reg if the
14402 quantity it needs to hold isn't already a suitable pseudo.
14404 2006-03-28 Jeff Law <law@redhat.com>
14406 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14407 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14409 2006-03-28 Roger Sayle <roger@eyesopen.com>
14411 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14412 the equivalent ~X & Y, and the symmetry related transformations.
14413 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14414 ~X & Y, and symmetry related transforms.
14416 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14418 Revert my 2006-03-27 patches.
14420 2006-03-28 Roger Sayle <roger@eyesopen.com>
14422 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14423 ~(T1)X, when T1 and T2 are integer types of the same precision
14424 and (T2)X isn't an extension.
14426 2006-03-28 Jeff Law <law@redhat.com>
14428 PR tree-optimization/26796
14429 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14430 need EH edge cleanups rather than purging them immediately.
14431 (eliminate_degenerate_phis): Handle queued EH cleanups.
14433 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14435 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14438 2006-03-27 Roger Sayle <roger@eyesopen.com>
14440 PR middle-end/22524
14441 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14442 cast BIT_NOT_EXPR operand to the correct type.
14444 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14446 * tree-loop-linear.c: Don't include varray.h.
14447 (gather_interchange_stats, try_interchange_loops,
14448 linear_transform_loops): Use VEC instead of VARRAY.
14449 * lambda-mat.c: Don't include varray.h.
14450 * tree-chrec.c: Same.
14451 * lambda-trans.c: Same.
14452 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14453 VEC instead of VARRAY.
14454 * tree-vectorizer.h: Idem.
14455 * tree-data-ref.c (dump_data_references,
14456 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14457 initialize_data_dependence_relation, finalize_ddr_dependent,
14458 compute_all_dependences, find_data_references_in_loop,
14459 compute_data_dependences_for_loop, analyze_all_data_dependences,
14460 free_dependence_relation, free_dependence_relations,
14461 free_data_refs): Idem.
14462 * tree-data-ref.h (data_reference_p, subscript_p): New.
14463 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14464 VEC instead of VARRAY.
14465 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14466 (find_data_references_in_loop, compute_data_dependences_for_loop,
14467 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14468 dump_data_dependence_relations, free_dependence_relations,
14469 free_data_refs): Adjust declaration.
14470 (lambda_transform_legal_p): Move declaration here...
14471 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14472 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14473 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14474 vect_analyze_data_refs): Use VEC instead of VARRAY.
14475 * lambda.h (lambda_transform_legal_p): ...from here.
14476 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14477 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14478 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14479 tree-chrec.o): Don't depend on VARRAY_H.
14481 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14483 * rtl.def (Copyright): Update date.
14484 (DEPS_LIST): Change type of the second operand to 'int'.
14485 * target.h (Copyright): Update date.
14486 (struct gcc_target.speculate_insn): Change type of the second parameter
14488 * lists.c (Copyright): Update date.
14489 (alloc_DEPS_LIST): Change signature. Update reference to the second
14490 operand of the DEPS_LIST.
14491 (copy_DEPS_LIST_list): Update reference to the second operand of the
14493 * rtl.h (Copyright): Update date.
14494 (alloc_DEPS_LIST): Update signature.
14495 * sched-int.h (Copyright): Update date.
14496 (ds_t): Change typedef to 'int'.
14497 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14499 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14501 * haifa-sched.c (Copyright): Update date.
14502 (try_ready): Change condition to restore non-speculative pattern
14503 of the instruction.
14504 (process_insn_depend_be_in_spec): Code to keep probability of the
14505 speculative dependence non-decreasing.
14507 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14509 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14510 shut up the compiler.
14512 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14514 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14515 to use lib prefix for target.
14516 ($(T)libic_invalidate_array_4-200.a): Likewise.
14517 ($(T)libic_invalidate_array_4a.a): Likewise.
14519 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14520 J"orn Rennecke <joern.rennecke@st.com>
14522 * superh.opt: New file.
14523 * sh.c (boardtype, osruntime): Remove.
14524 * superh.h (SUBTARGET_OPTIONS): Remove.
14525 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14527 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14528 arguments with ^ and/or [].
14530 * config.gcc (sh-*-*): Add quoting to account for quirk of
14532 Replace == with = in enable_incomplete_targets test.
14534 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14535 with MASK_LITTLE_ENDIAN.
14537 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14538 * config/sh/sh.opt: Added to some comments.
14539 * config/sh/superh.h: Removed some chaff.
14541 * config/sh/sh.opt: Add m4-[1234]00* options.
14542 * config/sh/sh.c (sh_handle_option): Likewise.
14543 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14544 (ic_invalidate_array_4-100.o): New rule.
14545 ($(T)libic_invalidate_array_4-100.a): Likewise.
14546 (ic_invalidate_array_4-200.o): Likewise.
14547 ($(T)libic_invalidate_array_4-200.a): Likewise.
14548 (ic_invalidate_array_4a.o): Likewise.
14549 ($(T)libic_invalidate_array_4a.a): Likewise.
14550 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14551 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14553 * config/sh/crt1.asm: Merged in profiling code.
14554 * config/sh/superh.h (STARTFILE_SPEC): Override.
14555 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14556 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14557 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14559 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14560 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14561 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14563 * sh.opt (mpretend-cmove): New option.
14564 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14565 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14566 (movsicc): Add TARGET_PRETEND_CMOVE code.
14568 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14570 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14571 s390_class_max_nregs): New function prototypes.
14572 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14573 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14574 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14575 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14577 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14579 * dwarf2out.c (add_location_or_const_value_attribute): Call
14580 tree_add_const_value_attribute if nothing else works.
14581 (reference_to_unused): New.
14582 (rtl_for_decl_init): Use reference_to_unused to decide whether
14583 to output an initializer.
14585 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14588 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14589 peephole removing spe frob_di_df_2.
14591 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14593 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14594 (subscript_dependence_tester_1): Declared.
14595 (print_dir_vectors, print_dist_vectors): New.
14596 (debug_data_dependence_relation): New.
14597 (dump_data_dependence_relation): Print more details.
14598 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14599 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14600 (save_dist_v, save_dir_v, add_outer_distances,
14601 build_classic_dist_vector_1): New.
14602 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14603 Don't test for lambda_vector_lexico_pos.
14604 (same_access_functions, add_multivariate_self_dist,
14605 add_other_self_distances, dir_from_dist): New.
14606 (build_classic_dir_vector): Replace implementation almost identical to
14607 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14609 (subscript_dependence_tester_1): New.
14610 (subscript_dependence_tester): Handle the lexicographically negative
14611 distance vectors by recomputing the dependence relation.
14612 (compute_affine_dependence): Remove parameter loop_nest_depth.
14613 (compute_self_dependence): Don't call compute_subscript_distance.
14614 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14615 Add a parameter for the loop_nest.
14616 (find_loop_nest_1, find_loop_nest): New.
14617 (compute_data_dependences_for_loop): Compute the loop nest, and give
14618 up if the nest is not well formed.
14619 * tree-data-ref.h (loop_p): New.
14620 (struct data_dependence_relation): Replace size_vect field with
14621 loop_nest, a vec of loops.
14622 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14623 (DDR_LOOP_NEST): New.
14624 (print_dir_vectors, print_dist_vectors,
14625 debug_data_dependence_relation): Declared.
14626 (index_in_loop_nest): New.
14627 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14628 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14631 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14633 * simplify-rtx.c (simplify_relational_operation): Call
14634 simplify_relational_operation_1 even if mode is VOIDmode.
14636 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14638 PR tree-optimization/26804
14639 * tree.h (DECL_CALL_CLOBBERED): New macro.
14640 (tree_decl_common): Add call_clobbered_flag.
14641 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14642 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14643 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14644 (mark_non_addressable): Ditto.
14645 * tree-ssa.c (verify_call_clobbered): New function.
14646 (verify_alias_info): Use it.
14647 * tree-pass.h (pass_reset_cc_flags): New prototype.
14648 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14649 (reset_cc_flags): New function.
14650 * passes.c (init_optimization_passes): Call reset_cc_flags after
14651 initializing referenced_vars.
14653 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14654 Roger Sayle <roger@eyesopen.com>
14656 PR middle-end/26717
14657 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14658 to 1.0 for non-real operands. Implement A / A optimization for
14661 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14663 * config/i386/i386.c (size_cost): Correct the comment for
14664 cost of storing fp registers.
14665 (i386_cost): Likewise.
14666 (i486_cost): Likewise.
14667 (pentium_cost): Likewise.
14668 (pentiumpro_cost): Likewise.
14669 (k6_cost): Likewise.
14670 (athlon_cost): Likewise.
14671 (k8_cost): Likewise.
14672 (pentium4_cost): Likewise.
14673 (nocona_cost): Likewise.
14674 (generic64_cost): Likewise.
14675 (generic32_cost): Likewise.
14677 2006-03-24 Denis Chertykov <denisc@overta.ru>
14679 * config/avr/avr-protos.h (extra_constraint): Delete.
14680 (extra_constraint_Q): New declaration.
14681 * config/avr/constraints.md: New file.
14682 * config/avr/avr.md: Include it.
14683 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14684 (TMP_REGNO, ZERO_REGNO): Likewise.
14685 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14686 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14687 (extra_constraint): Delete.
14688 (extra_constraint_Q): Test for memory constraint 'Q'.
14689 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14690 (REG_CLASS_FROM_LETTER): Delete.
14691 (CONST_OK_FOR_LETTER_P): Delete.
14692 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14693 (EXTRA_CONSTRAINT): Delete.
14694 (TMP_REGNO): Delete.
14695 (ZERO_REGNO): Delete.
14697 2006-03-24 Jeff Law <law@redhat.com>
14699 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14700 directly. Call mark_new_vars_to_rename slightly earlier.
14702 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14704 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14705 (is_cxx): Likewise.
14706 (gen_compile_unit_die): Use new language types for Objective-C and
14708 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14709 DW_LANG_C_plus_plus.
14712 * config/t-darwin (crt3.o): Work around bug 26840.
14713 * config/darwin-crt3.c: Rewrite.
14714 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14716 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14718 * doc/invoke.texi: Document -femit-class-debug-always
14719 * common.opt: Add -femit-class-debug-always.
14721 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14723 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14724 index and base register.
14725 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14726 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14727 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14728 REGNO_OK_FOR_INDEX_P.
14729 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14731 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14732 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14733 REG_OK_FOR_BASE_P): Definitions removed.
14735 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14737 PR middle-end/26611
14738 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14739 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14740 set yet or weren't marked as local yet.
14742 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14744 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14747 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14749 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14750 (rs6000_legitimate_small_data_p): Delete.
14751 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14752 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14753 and make static. Add forward declaration. Update uses.
14754 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14755 of offsettable_memref_p.
14756 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14757 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14759 2006-03-24 Jeff Law <law@redhat.com>
14761 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14762 around bug in immediate-use iterator.
14764 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14767 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14768 or __LITTLE_ENDIAN__.
14770 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14772 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14773 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14774 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14775 * config/sh/sh.opt (mdiv=): Amend description.
14776 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14777 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14778 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14779 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14780 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14781 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14782 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14783 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14784 TARGET_DIVIDE_CALL_FP.
14786 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14788 * haifa-sched.c (choose_ready): Fix type of the local variable.
14789 Move local variables. Add comment.
14790 (check_reg_live): Change signature. Make callable from debugger.
14791 * sched-int.h (check_reg_live): Update signature.
14792 * sched-ebb.c (check_reg_live): Update parameters.
14793 * sched-rgn.c (check_reg_live): Ditto.
14794 (region_head_or_leaf_p): Check pointer before dereferencing.
14795 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14796 before reload on optimization levels below 1.
14798 2006-03-23 Richard Henderson <rth@redhat.com>
14800 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14804 * config/alpha/predicates.md (local_symbolic_operand): Reject
14807 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14810 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14811 expressions which have overflowed constants.
14813 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14815 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14817 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14819 * cfgloopmanip.c (create_loop_notes): Removed.
14820 * final.c (final_scan_insn): Do not handle loop notes.
14821 * jump.c (squeeze_notes): Ditto.
14822 * cfglayout.c (skip_insns_after_block,
14823 duplicate_insn_chain): Ditto.
14824 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14826 * cfgloop.h (create_loop_notes): Declaration removed.
14828 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14830 * varasm.c (output_constant_pool): Restore fnname and fndecl
14832 (assemble_start_function): Adjust call accordingly.
14833 (assemble_end_function): Likewise.
14835 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14838 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14841 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14843 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14846 * system.h (ICE_EXIT_CODE): New macro.
14847 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14848 (diagnostic_action_after_output): Likewise.
14849 * gcc.c (fatal_ice): New function.
14850 (execute): Use it instead of fatal.
14851 (fancy_abort): Likewise.
14852 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14854 2006-03-22 Jeff Law <law@redhat.com>
14856 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14857 iv_analyze_result returning false.
14859 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14861 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14863 2006-03-22 Richard Henderson <rth@redhat.com>
14865 PR middle-end/26084
14866 * except.c (duplicate_eh_regions_0): New.
14867 (duplicate_eh_region_1): Duplicate the children of the node as
14868 well as the node itself. Link them up properly.
14869 (duplicate_eh_region_2): Merge into ...
14870 (duplicate_eh_regions): ... here. Take copy_region argument, and
14871 copy only a sub-tree if asked. Simplify copying and fixup.
14872 (eh_region_outer_p): New.
14873 * except.h (duplicate_eh_regions): Update decl.
14874 (eh_region_outer_p): Declare.
14875 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14876 (lower_omp_master): Likewise.
14877 (lower_omp_ordered): Likewise.
14878 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14879 (move_stmt_r): Use it to remap labels. Handle recursion vs
14880 remap_decls_p properly.
14881 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14882 (find_outermost_region_in_block): New.
14883 (new_label_mapper): New.
14884 (move_sese_region_to_fn): Copy eh information to the new function
14886 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14888 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14891 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14893 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14894 into shared libraries.
14896 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14898 * doc/md.texi: Refer to i386/constraints.md instead of
14899 i386/predicates.md.
14900 * config/i386/constraints.md: New file, extracted from...
14901 * config/i386/predicates.md: ...here.
14902 * config/i386/i386.md: Include constraints.md.
14904 2006-03-21 Jason Merrill <jason@redhat.com>
14906 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14908 PR middle-end/20297
14909 * expr.c (init_block_move_fn): Force default visibility.
14910 (init_block_clear_fn): Likewise.
14911 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14912 * targhooks.c (default_external_stack_protect_fail): Likewise.
14914 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14916 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14917 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14918 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14919 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14920 (loadgp): Use mips_current_loadgp_style.
14921 (loadgp_noshared): New pattern.
14922 (sibcall_internal): Use MIPS_CALL.
14923 (sibcall_value_internal): Likewise.
14924 (sibcall_value_multiple_internal): Likewise.
14925 (call_internal): Likewise.
14926 (call_value_internal): Likewise.
14927 (call_value_multiple_internal): Likewise.
14928 (call_split): Use MIPS_CALL and add an 'S' constraint.
14929 (call_value_split): Likewise.
14930 (call_value_multiple_split): Likewise.
14931 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14932 (-mshared): New option.
14933 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14934 (mips_current_loadgp_style): Declare.
14935 * config/mips/mips.c (mips_classify_symbol): Avoid using
14936 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14937 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14938 TARGET_ABSOLUTE_ABICALLS.
14939 (override_options): Adjust comments. Improve the warning that is
14940 issued when -mabicalls and -G are used together.
14941 (mips_file_start): Remove comment.
14942 (mips_current_loadgp_style): New function.
14943 (mips_gnu_local_gp): New variable.
14944 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14946 (mips_output_function_prologue): Use mips_current_laodgp_style.
14947 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14948 the cprestore instruction.
14949 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14950 live for TARGET_ABSOLUTE_ABICALLS.
14951 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14952 (ASM_SPEC): Pass down -mshared and -mno-shared.
14953 (MIPS_CALL): New macro.
14954 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14956 * doc/invoke.texi (-mabicalls): Update documentation.
14957 (-mshared): Document.
14959 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14961 * config/ia64/unwind-hpux.c: New file.
14962 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14964 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14967 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14969 2006-03-21 Jeff Law <law@redhat.com>
14971 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14972 type conversions of a VR_VARYING source to a wider type.
14974 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14976 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14977 tm_file on Solaris 10 and later.
14978 (sparc64-*-solaris2*): Likewise.
14979 (sparc-*-solaris2*): Likewise.
14980 * config/sol26.h: Rename to config/sol2-6.h.
14981 * config/sol2-10.h: New file.
14983 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14986 * tree-ssa-pre.c (create_component_ref_by_pieces):
14989 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14992 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14993 return it immediately.
14995 2006-03-21 Michael Matz <matz@suse.de>
14997 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14999 (remove_arc, add_arc): Update num_out_arcs member.
15000 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15002 (cache_presence): New function.
15003 (compare_states_for_equiv): New function.
15004 (state_is_differed): Don't take number of outargs, adjust callers.
15005 Use new invariant for speeding up.
15006 (init_equiv_class): Create initial classes based on sorted
15008 (partition_equiv_class): Don't track out_arcs_num.
15009 (evaluate_equiv_classes): Call cache_presence on all states and
15012 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15014 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15015 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15016 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15017 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15019 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15020 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15021 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15022 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15023 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15025 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15026 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15027 (REGNO_REG_CLASS): ARGP is in PREGS.
15028 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15030 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15031 to deal with those addresses.
15032 * addresses.h: New file.
15033 * caller-save.c: Include "addresses.h".
15034 (init_caller_save): Use new base_reg_class function.
15035 * rtl-factoring.c: Include "addresses.h".
15036 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15037 * recog.c: Include "addresses.h".
15038 (preprocess_constraints): Use new base_reg_class function.
15039 * regrename.c: Include "addresses.h".
15040 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15041 functions. Keep track of a new var INDEX_CODE to compute valid
15043 (replace_oldest_value_addr): Likewise.
15044 (replace_oldest_value_mem): Use base_reg_class.
15045 * reload.c: Include "addresses.h".
15046 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15047 (find_reloads): Use new base_reg_class function.
15048 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15049 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15050 all callers and prototype changed.
15051 * reload1.c: Include "addresses.h".
15052 (maybe_fix_stack_asms): Use base_reg_class.
15053 * regclass.c: Include "addresses.h".
15054 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15055 (init_reg_autoinc): Use new base_reg_class function.
15056 (record_reg_classes): Likewise.
15057 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15058 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15059 Use new args to compute necessary class.
15061 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15062 regrename.o, rtl-factoring.o): Update dependencies.
15063 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15064 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15065 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15066 REG_OK_FOR_INDEX_P): Delete documentation.
15068 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15070 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15071 from V7 to V9 for Solaris 7 and above.
15073 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15075 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15076 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15077 argument pointers may not alias any other storage.
15078 * common.opt: Define option -fargument-noalias-anything.
15079 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15080 alias semantics is specified by flag_argument_noalias > 2.
15082 2006-03-20 Jeff Law <law@redhat.com>
15084 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15085 (pass_phi_only_cprop): Declare.
15086 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15087 with phi_only_cprop
15088 * tree-ssa-dom.c (degenerate_phi_result): New function.
15089 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15090 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15091 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15092 (eliminate_degenerate_phis): Likewise.
15093 (pass_phi_only_cprop): New pass descriptor.
15094 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15095 support code. Callers updated.
15096 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15097 (store_copy_prop): Likewise.
15098 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15100 2006-03-20 Jason Merrill <jason@redhat.com>
15103 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15104 (push_visibility, pop_visibility): Likewise.
15105 * c-pragma.h: Declare them.
15107 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15109 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15111 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15112 parameter and use get_ebb_head_tail.
15113 (sh_md_init_global): Adjust uses of find_regmode_weight.
15115 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15117 * function.h (struct function) <x_tail_recursion_reentry>:
15118 Rename to x_stack_check_probe_note.
15119 (tail_recursion_reentry): Rename to stack_check_probe_note.
15120 * function.c: Replace tail_recursion_reentry with
15121 stack_check_probe_note everywhere.
15122 (expand_function_start): Only emit a note for
15123 stack_check_probe_note with -fstack-protect.
15124 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15126 * emit-rtl.c (remove_unnecessary_notes): Remove.
15127 (pass_remove_unnecessary_notes): Remove.
15128 * rtl.h (remove_unnecessary_notes): Remove prototype.
15129 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15130 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15131 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15133 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15136 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15137 (valid_in_set): Handle ARRAY_REF.
15138 Change "if min_variant or VH" to asserts.
15139 (create_component_ref_by_pieces): Handle ARRAY_REF.
15140 (create_expression_by_pieces): Likewise.
15141 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15143 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15145 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15146 is operand of switch, not str[0].
15148 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15150 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15151 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15153 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15155 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15156 end of insn_extra_address_constraint declaration.
15158 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15160 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15161 (no-sum-in-toc): Same.
15162 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15164 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15165 NO_FP_IN_TOC for -fPIC instead of mask.
15167 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15168 (BOOT_LDFLAGS): Delete.
15170 * config/rs6000/t-aix52: Same.
15172 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15173 (stmsi[345678]_power): New.
15175 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15177 * config/ia64/ia64.opt: Add empty line to end of file.
15179 2006-03-17 Richard Guenther <rguenther@suse.de>
15181 PR middle-end/26721
15182 * builtins.c (get_pointer_alignment): For component style references
15183 adjust alignment to the component type alignment. Make sure
15184 to adjust alignment for component access of constants.
15186 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15188 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15189 unconditional jump.
15191 2006-03-17 Paul Brook <paul@codesourcery.com>
15193 * doc/install.texi: Docuemnt --with-mode.
15194 * config.gcc: Add --with-mode for arm*-*-*.
15195 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15197 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15199 * sh.c (max_labelno_before_reorg): New variable.
15200 (sh_reorg): Initialize it.
15201 (find_barrier): Check max_labelno_before_reorg before using
15202 label_to_alignment. Take length of explicit alignment insns
15203 into account. When seeing a UNSPECV_CONST_END, return it.
15205 * sh.c (fixup_mova): Set mode of affected label to QImode.
15206 (untangle_mova): New function.
15207 (find_barrier): Use it. Check mode of label before decrementing
15209 (sh_reorg): Likewise.
15210 Set mode of all insns back to VOIDmode.
15212 * sh.c (MOVA_LABELREF): New macro.
15213 (mova_p, fixup_mova, sh_reorg): Use it.
15214 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15215 ADDR_DIFF_VEC matches mova.
15217 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15219 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15220 with ATTRIBUTE_UNUSED.
15222 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15224 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15225 pointer, instead of assuming it is possible to derive the
15226 correct args size from a call insn.
15228 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15230 * rtl.h (CONST_INT_P): Define.
15231 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15232 instead of GET_CODE(x) == CONST_INT.
15233 (vax_rtx_costs): Likewise.
15234 (vax_output_int_move): Likewise.
15235 (vax_output_int_add): Likewise.
15236 (legitimate_constant_address_p): Likewise.
15237 (index_term_p): Likewise.
15238 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15239 * config/vax/vax.md (and<mode>3): Likewise.
15240 (ashrsi3): Likewise.
15242 (movstricthi): Likewise.
15243 (movstrictqi): Likewise.
15244 (rotrsi3): Likewise.
15245 (five unnamed insns): Likewise.
15247 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15249 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15250 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15251 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15252 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15253 Pass to ASM_OUTPUT_DWARF_OFFSET.
15254 * dwarf2out.c (debug_frame_section): New.
15255 (output_call_frame_info): Use debug_frame_section. Pass it to
15256 dw2_asm_output_offset.
15257 (output_die): Pass appropriate section to dw2_asm_output_offset.
15258 (output_compilation_unit_header): Likewise.
15259 (output_pubnames): Likewise.
15260 (output_aranges): Likewise.
15261 (enum dw_val_class): Break dw_val_class_lbl_offset into
15262 dw_val_class_lineptr and dw_val_class_macptr.
15263 (add_AT_lbl_offset): Delete.
15264 (add_AT_lineptr): New.
15265 (add_AT_macptr): New.
15266 (AT_lbl): Expect a lineptr or macptr.
15267 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15268 (attr_checksum): Likewise.
15269 (same_dw_val_p): Likewise.
15270 (size_of_die): Likewise.
15271 (value_format): Likewise.
15272 (output_die): Likewise.
15273 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15275 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15276 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15277 * config/darwin-protos.h (darwin_file_start): New.
15278 (darwin_asm_output_dwarf_offset): New.
15279 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15280 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15282 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15283 if not EH section; simplify.
15284 (darwin_file_start): New.
15285 (darwin_asm_output_dwarf_offset): New.
15286 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15288 (DEBUG_INFO_SECTION): Likewise.
15289 (DEBUG_ABBREV_SECTION): Likewise.
15290 (DEBUG_ARANGES_SECTION): Likewise.
15291 (DEBUG_MACINFO_SECTION): Likewise.
15292 (DEBUG_LINE_SECTION): Likewise.
15293 (DEBUG_LOC_SECTION): Likewise.
15294 (DEBUG_PUBNAMES_SECTION): Likewise.
15295 (DEBUG_STR_SECTION): Likewise.
15296 (DEBUG_RANGES_SECTION): Likewise.
15297 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15298 (ASM_OUTPUT_DWARF_OFFSET): New.
15300 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15302 * config.gcc (tm_defines): Always add to previous value rather
15305 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15307 * config/mips/predicates.md (splittable_const_int_operand): New,
15308 split from move_operand.
15309 (splittable_symbolic_operand): New.
15310 (move_operand): Add commentary. Use splittable_const_int_operand.
15311 Inline mips_atomic_symbolic_constant_p.
15312 * config/mips/mips.md: Add combine splitters for handling moves
15313 of splittable_const_int_operands and splittable_symbolic_operands.
15314 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15315 (mips_split_symbol): Declare.
15316 (mips_move_integer): Declare.
15317 * config/mips/mips.c (mips_split_p): Make global.
15318 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15319 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15320 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15321 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15322 (mips_offset_within_object_p): Handle block symbols.
15323 (mips_atomic_symbolic_constant_p): Delete.
15324 (mips_cannot_force_const_mem): Return false for constants that
15325 mips_legitimize_move can handle.
15326 (mips_use_blocks_for_constant_p): New function.
15327 (mips_split_symbol): Make global.
15328 (mips_move_integer): Likewise. Add a temporary register argument.
15329 (mips_legitimize_const_move): Use splittable_const_int_operand and
15330 splittable_symbolic_operand.
15331 (mips_use_anchors_for_symbol_p): New function.
15332 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15333 (mips_split_p): Declare.
15335 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15337 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15338 (mips*-*-linux*): Likewise.
15340 2006-03-16 Roger Sayle <roger@eyesopen.com>
15341 Daniel Speyer <dspeyer@wam.umd.edu>
15343 PR middle-end/18259
15344 * tree-dump.c (dump_real): New function.
15345 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15346 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15347 (tree-dump.o): Add $(REAL_H) to the dependencies.
15349 2006-03-16 Roger Sayle <roger@eyesopen.com>
15351 PR middle-end/21781
15352 * real.c (real_from_string): If the mantissa is zero, don't bother
15353 parsing the exponent as the result should always be zero.
15355 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15357 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15359 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15361 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15362 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15363 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15364 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15365 ia64_sched_finish_global): New static functions to implement
15366 hooks from gcc_target.sched.
15367 (spec_check_no, max_uid, pending_data_specs): New static variables.
15368 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15369 ia64_spec_check_src_p): New static functions.
15370 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15371 (TARGET_SCHED_ADJUST_COST): Removed.
15372 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15373 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15374 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15375 TARGET_SCHED_GEN_CHECK,
15376 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15377 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15378 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15379 Fixed to handle speculation checks.
15380 (rtx_needs_barrier): Fixed to handle speculative loads and
15382 (ia64_variable_issue): Added code to count speculative loads and their
15384 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15386 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15388 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15390 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15391 (ia64_reorg): Reset stops_p to NULL after it is freed.
15392 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15393 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15394 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15396 (data_speculative, control_speculative, check_load): New attributes.
15397 (mov<mode>_advanced, mov<mode>_speculative,
15398 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15399 zero_extend<mode>di2_speculative,
15400 zero_extend<mode>di2_speculative_advanced): New patterns for
15401 data and control speculative loads.
15402 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15404 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15405 New pattern for data and control speculation checks.
15406 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15407 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15408 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15409 Auxiliary definitions for the patterns.
15410 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15411 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15413 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15415 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15416 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15417 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15418 New resource constraints.
15419 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15421 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15422 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15423 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15424 msched-in-control-spec, msched-ldc, msched-control-ldc,
15425 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15426 msched-prefer-non-control-spec-insns,
15427 msched-count-spec-in-critical-path): New flags to tune speculative
15429 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15430 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15431 msched-in-control-spec, msched-ldc, msched-control-ldc,
15432 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15433 msched-prefer-non-control-spec-insns,
15434 msched-count-spec-in-critical-path): Document new flags.
15436 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15438 * target.h (struct spec_info_def): New opaque declaration.
15439 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15440 speculate_insn, needs_block_p, gen_check,
15441 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15442 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15443 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15444 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15445 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15446 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15448 (TARGET_SCHED): Use new macros.
15449 * rtl.h (copy_DEPS_LIST_list): New prototype.
15450 * sched-int.h (struct sched_info): Change signature of new_ready field,
15451 adjust all initializations. New fields: add_remove_insn,
15452 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15453 region_head_or_leaf_p.
15454 (struct spec_info_def): New structure declaration.
15455 (spec_info_t): New typedef.
15456 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15457 recovery_block, orig_pat.
15458 (glat_start, glat_end): New variables declaraions.
15459 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15461 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15462 DETACH_LIFE_INFO, USE_GLAT.
15463 (enum SPEC_SCHED_FLAGS): New enumeration.
15464 (NOTE_NOTE_BB_P): New macro.
15465 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15466 attach_life_info, debug_spec_status, check_reg_live): New functions.
15467 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15468 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15470 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15471 * ddg.c (get_block_head_tail): Adjust all uses.
15472 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15473 (sms_sched_info): Initialize new fields.
15474 (contributes_to_priority): Removed.
15475 * haifa-sched.c (params.h): New include.
15476 (get_block_head_tail): Adjust all uses.
15477 (ISSUE_POINTS): New macro.
15478 (glat_start, glat_end): New global variables.
15479 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15480 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15481 old_last_basic_block, before_recovery, current_sched_info_var,
15482 rgn_n_insns, luid): New static variables.
15483 (insn_cost1): New function. Move logic from insn_cost to here.
15484 (find_insn_reg_weight1): New function. Move logic from
15485 find_insn_reg_weight to here.
15486 (reemit_notes, move_insn, max_issue): Change signature.
15487 (move_insn1): Removed.
15488 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15489 extend_bb): New static functions to support extension of scheduler's
15491 (generate_recovery_code, process_insn_depend_be_in_spec,
15492 begin_speculative_block, add_to_speculative_block,
15493 init_before_recovery, create_recovery_block, create_check_block_twin,
15494 fix_recovery_deps): New static functions to support
15495 generation of recovery code.
15496 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15497 restore_bb_notes, move_block_after_check, move_succs): New static
15498 functions to support ebb scheduling.
15499 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15500 functions to support handling of register live information.
15501 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15502 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15503 add_jump_dependencies): New static functions.
15504 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15505 consistancy checking.
15506 (debug_spec_status): New function to call from debugger.
15507 (priority): Added code to handle speculation checks.
15508 (rank_for_schedule): Added code to distinguish speculative instructions.
15509 (schedule_insn): Added code to handle speculation checks.
15510 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15511 Fixed to handle ebbs.
15512 (move_insn): Added code to handle ebb scheduling.
15513 (max_issue): Added code to use ISSUE_POINTS of instructions.
15514 (choose_ready): Added code to choose between speculative and
15515 non-speculative instructions.
15516 (schedule_block): Added code to handle ebb scheduling and scheduling of
15517 speculative instructions.
15518 (sched_init): Initialize new variables.
15519 (sched_finish): Free new variables. Print statistics.
15520 (try_ready): Added code to handle speculative instructions.
15521 * lists.c (copy_DEPS_LIST_list): New function.
15522 * sched-deps.c (extend_dependency_caches): New function. Move logic
15523 from create_dependency_caches to here.
15524 (get_dep_weak, ds_merge): Make global.
15525 * genattr.c (main): Code to output prototype for
15526 dfa_clear_single_insn_cache.
15527 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15528 (output_dfa_clean_insn_cache_func): Code to output
15529 dfa_clear_single_insn_cache function.
15530 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15532 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15534 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15535 New static variables.
15536 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15537 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15539 (ebb_sched_info): Initialize new fields.
15540 (get_block_head_tail): Adjust all uses.
15541 (compute_jump_reg_dependencies): Fixed to use glat_start.
15542 (schedule_ebb): Code to remove unreachable last block.
15543 (schedule_ebbs): Added code to update register live information.
15544 * sched-rgn.c (region_sched_info): Initialize new fields.
15545 (get_block_head_tail): Adjust all uses.
15546 (last_was_jump): Removed. Adjust users.
15547 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15548 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15549 Implement new hooks.
15550 (check_dead_notes1): New static function.
15551 (struct region): New fields: dont_calc_deps, has_real_ebb.
15552 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15553 (BB_TO_BLOCK): Fixed to handle EBBs.
15554 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15555 (ebb_head): New static variable.
15556 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15557 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15559 (compute_dom_prob_ps): New assertion.
15560 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15561 global_live_at_start.
15562 (init_ready_list): New assertions.
15563 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15564 (new_ready): Add support for BEGIN_CONTROL speculation.
15565 (schedule_insns): Fixed code that updates register live information
15567 (schedule_region): Fixed to handle EBBs.
15568 (init_regions): Use extend_regions and check_dead_notes1.
15569 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15570 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15571 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15572 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15573 TARGET_SCHED_GEN_CHECK,
15574 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15575 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15576 * doc/invoke.texi (max-sched-insn-conflict-delay,
15577 sched-spec-prob-cutoff): Document.
15579 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15581 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15582 inter_tick, queue_index.
15583 (struct sched_info): Change signature of init_ready_list field.
15584 Adjust all initializations.
15585 (RESOLVED_DEPS): New access macro.
15586 (ready_add): Remove prototype.
15587 (try_ready): Add prototype.
15588 * sched-rgn.c (init_ready_list): Use try_ready.
15589 (schedule_region): Initialize
15590 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15591 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15592 (init_ready_list): Use try_ready.
15593 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15594 * lists.c (remove_list_elem): Remove `static'.
15595 (remove_free_INSN_LIST_elem): New function.
15596 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15597 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15598 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15600 (readyp): New variable.
15601 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15602 change_queue_index, resolve_dep): New static functions.
15603 (try_ready): New function. Adjust callers in sched-rgn.c and
15604 sched-ebb.c to use it instead of ready_add.
15605 (clock_var): Move at the begining of file.
15606 (rank_for_schedule): Fix typo.
15607 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15608 (ready_lastpos): Enforce assertion.
15609 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15610 update all callers.
15611 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15612 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15613 (queue_to_ready): Use free_INSN_LIST_list.
15614 (early_queue_to_ready): Fix typo.
15615 (schedule_block): Init readyp. Move init_ready_list call after the
15616 initialization of clock_var. Fix error in rejecting insn by
15617 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15618 that previously corrected INSN_TICKs. Add code for handling
15620 (set_priorities): Fix typo.
15621 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15622 Clarify comment and code that keeps current_sched_info->next_tail
15625 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15627 * sched-rgn.c (extend_rgns): New static function.
15628 (find_rgns): Use it.
15629 (gather_region_statistics, print_region_statistics): New static
15631 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15632 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15634 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15635 Andrey Belevantsev <abel@ispras.ru>
15637 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15638 * lists.c (unused_deps_list): New variable.
15639 (free_list): Add assertions to verify the proper distinguishing
15640 between INSN_LISTs and DEPS_LISTs.
15641 (find_list_elem, remove_list_elem, remove_list_node): New static
15643 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15644 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15645 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15646 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15648 (free_INSN_LIST_node): Likewise.
15649 * modulo-sched.c (current_sched_info): Initialize flags field.
15650 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15651 * rtl.def (DEPS_LIST): Define.
15652 * rtl.h: Declare new functions from lists.c.
15653 * sched-deps.c (spec_dependency_cache): New static variable.
15654 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15655 (add_dependence): Change return type to void. Move the logic to ...
15656 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15657 (delete_all_dependences): Add comment about forward_dependency_cache.
15658 Handle spec_dependency_cache. Handle DEPS_LISTs.
15659 (fixup_sched_groups): Clarify the change of priority of output
15660 and anti dependencies.
15661 (sched_analyze_2): Adjust add_dependence calls to create data
15662 speculative dependence.
15663 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15664 Adjust all callers. Handle DEPS_LISTS.
15665 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15666 presence of speculation.
15667 (init_dependency_caches, free_dependency_caches):
15668 Handle spec_dependency_cache.
15669 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15670 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15671 New static functions.
15672 (add_or_update_back_dep, add_or_update_back_forw_dep,
15673 add_back_forw_dep, delete_back_forw_dep): New functions.
15674 * sched-int.h (ds_t, dw_t): New typedefs.
15675 (struct sched_info): Add new field flags.
15676 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15677 Prototype new sched-deps.c functions.
15678 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15679 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15680 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15681 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15682 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15683 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15685 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15687 * sched-rgn.c (current_sched_info): Initialize flags field.
15688 (schedule_insns): Initialize current_sched_info before the sched_init
15690 * sched-ebb.c (current_sched_info): Initialize flags field.
15691 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15692 Call add_or_update_back_dep instead of add_dependence.
15693 Create control speculative dependencies.
15694 (schedule_insns): Initialize current_sched_info before the sched_init
15697 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15699 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15701 (sh_fallback_frame_state): Likewise.
15703 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15705 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15706 Do switch on default_use_cxa_atexit.
15707 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15708 * config/darwin-crt3.o: New.
15709 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15710 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15711 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15713 * config/rs6000/t-darwin: Move crt2.o building to here.
15714 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15715 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15718 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15720 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15721 from '! xxx' to '!xxx' for coding-style conformance.
15722 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15723 (EXTRA_CONSTRAINT): Likewise.
15724 * config/vax/vax.md (four unnamed insns): Likewise.
15726 2006-03-15 Paul Brook <paul@codesourcery.com>
15728 * config/arm/arm.c (minipool_pad): New.
15729 (add_minipool_forward_ref): Include pool alignment padding in address
15731 (push_minipool_fix): Set minipool_pad.
15732 (minipool_pad): Ditto.
15734 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15736 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15737 instead of GET_CODE() == MEM and REG_P() instead of
15739 (print_operand_address): Likewise.
15740 (vax_address_cost): Likewise.
15741 (vax_rtx_costs): Likewise.
15742 (vax_notice_update_cc): Likewise.
15743 (vax_output_int_add): Likewise.
15744 (INDEX_REGISTER_P): Likewise.
15745 (BASE_REGISTER_P): Likewise.
15746 (nonindexed_address_p): Likewise.
15747 (vax_mode_dependent_address_p): Likewise.
15748 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15749 (PRINT_OPERAND): Likewise.
15750 * config/vax/vax.md (ashlsi3): Likewise.
15751 (ashlsi3): Likewise.
15752 (some more unnamed insns): Likewise.
15754 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15756 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15757 iterator-style macro.
15758 (mark_control_dependent_edges_necessary): Update the use of
15759 EXECUTE_IF_CONTROL_DEPENDENT.
15761 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15763 * config/sh/predicates.md (cache_address_operand): Special.
15764 (ua_address_operand): Likewise.
15766 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15768 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15770 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15772 2006-03-15 Andreas Schwab <schwab@suse.de>
15774 * gensupport.c (identify_predicable_attribute): Don't free p_false
15775 when it is still in use.
15777 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15779 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15780 the default setting here.
15782 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15784 * tree-pass.h (pass_cfg): Remove.
15785 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15786 * passes.c (pass_cfg): Don't run it.
15788 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15790 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15791 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15793 (stack_regs_mentioned): Update the uses of
15794 stack_regs_mentioned_data. Don't access the array beyond its
15796 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15797 Don't include gt-reg-stack.h.
15799 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15800 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15802 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15804 PR middle-end/26684
15805 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15808 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15810 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15812 2006-03-14 Richard Guenther <rguenther@suse.de>
15814 PR tree-optimization/26672
15815 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15818 2006-03-14 Richard Guenther <rguenther@suse.de>
15820 PR tree-optimization/26667
15821 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15822 node for the callees. Always allow inlining if it will shrink
15825 2006-03-14 Richard Guenther <rguenther@suse.de>
15827 PR middle-end/26659
15828 * builtins.c (get_pointer_alignment): Prefer alignment
15829 information from decls over that from types.
15831 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15834 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15836 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15838 * config/rs6000/rs6000.opt (mdlmzb): New option.
15839 (msched-prolog, msched-epilog): Use Var not Mask.
15840 * doc/invoke.texi (-mdlmzb): Document.
15841 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15843 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15844 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15846 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15848 PR rtl-optimization/25739
15849 * bt-load.c (augment_live_range): Free tos pointer.
15851 * gensupport.c (identify_predicable_attribute): Free
15853 * gcov.c (create_file_names): Free name pointer.
15855 2006-03-13 Roger Sayle <roger@eyesopen.com>
15857 PR middle-end/26557
15858 * stmt.c (emit_case_nodes): Handle the case where the index is a
15859 CONST_INT, where the comparison mode is specified by the index type.
15861 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15863 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15866 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15868 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15869 (*branch_fp_inverted): Likewise.
15871 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15873 PR middle-end/25989
15874 * omp-low.c (expand_omp_for_generic): Mark istart0
15875 and iend0 as addressable.
15877 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15879 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15881 2006-03-13 Jeff Law <law@redhat.com>
15883 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15884 virtual operands are interesting.
15885 (vrp_visit_stmt): Corresponding changes.
15887 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15889 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15891 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15892 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15893 * config/bfin/crti.S: Use it instead of __PIC__.
15894 * config/bfin/crtn.S: Likewise.
15896 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15897 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15899 Lose 'G' modifier for call operand.
15900 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15901 recognize 'G' modifier.
15903 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15905 PR middle-end/18859
15906 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15907 * stmt.c (expand_case): Likewise.
15909 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15911 PR rtl-optimization/26254
15912 * loop-invariant.c (seq_insns_valid_p): New function.
15913 (move_invariant_reg): Only emit new code if it is valid.
15915 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15917 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15919 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15920 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15921 (commit_one_edge_insertion): Do not look for loop notes.
15923 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15925 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15926 flag_test_coverage out of loop.
15928 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15930 * final.c (shorten_branches): Remove outdated comment, and turn
15931 the if branch that guards it to continue.
15933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15935 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15936 * cfgloop.h (struct loop): Remove unused fields.
15938 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15940 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15941 (-dL, -fdump-rtl-loop2): Update the dump file names
15943 * doc/invoke.texi: Update dump file names.
15945 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15947 * predict.c (estimate_probability): Remove.
15948 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15949 * basic-block.h (estimate_probability): Remove prototype.
15950 * passes.c (finish_optimization_passes): Dump branch prediction or
15951 profiling heuristics to the .profile tree dump.
15952 (init_optimization_passes): Unqueue pass_branch_prob.
15954 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15956 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15958 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15959 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15961 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15963 * function.h (frame_offset_overflow): Declare.
15964 * function.c (frame_offset_overflow): New function.
15965 (assign_stack_local_1): Call it to detect that the offset overflows.
15966 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15968 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15970 * config/sh/sh.c: Include alloc-pool.h.
15971 (label_ref_list_pool): New alloc pool.
15972 (label_ref_list_t): New type for lists of labels.
15973 (struct pool_node): Make wend a label_ref_list_t.
15974 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15976 (dump_table): Likewise.
15977 (sh_reorg): Set up the alloc pool before using add_constant and
15978 dump_table, and destroy it when finishing.
15980 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15982 * config/mips/mips.c: Remove redundant comment.
15984 2006-03-10 Jason Merrill <jason@redhat.com>
15987 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15988 the target was declared 'register'.
15990 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15992 * genpreds.c (write_insn_constraint_len): Change definition of
15993 insn_constraint_len to return size_t to match the declaration.
15995 2006-03-10 DJ Delorie <dj@redhat.com>
15997 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15999 (m32c_expand_insv): Fix test for an AND mask.
16001 2006-03-10 Richard Guenther <rguenther@suse.de>
16003 PR middle-end/26565
16004 * builtins.c (get_pointer_alignment): Handle component
16005 references for field alignment.
16007 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16009 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16010 when building with libgloss.
16011 (sh*elf): Implement --without-fp option.
16012 (sh64-superh-linux*): Don't multilib.
16014 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16016 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16018 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16020 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16021 Set it when one of the replacement functions returned true.
16022 Return TODO_cleanup_cfg if cfgchanged is true.
16023 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16025 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16027 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16028 instead of gen_lowpart.
16030 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16032 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16034 (mips_output_order_conditional_branch): Declare.
16035 * config/mips/mips.h (MIPS_BRANCH): New macro.
16036 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16037 for the comparison. Use gen_condjump.
16038 (mips_output_conditional_branch): Rework interface to take the
16039 asm templates for a direct branch and the inverse of a direct branch.
16040 (mips_output_order_conditional_branch): New function.
16041 (mips_builtin_branch_and_move): New function.
16042 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16043 branch condition. Use gen_single_cc as the condition for
16044 __builtin_mips_upper_* or __builtin_mips_lower_*.
16045 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16046 Use VOIDmode for the branch condition.
16047 * config/mips/predicates.md (order_operator): New predicate.
16048 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16049 (branch_fp): Rename to...
16050 (*branch_fp): ...this. Remove mode from comparison operator.
16051 Use new mips_output_conditional_branch interface.
16052 (branch_fp_inverted): Rename to...
16053 (*branch_fp_inverted): ...this and update as for *branch_fp.
16054 (*branch_zero<mode>): Rename to...
16055 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16056 Use mips_output_order_conditional_branch. Only accept ordered
16058 (*branch_zero<mode>_inverted): Rename to...
16059 (*branch_order<mode>_inverted): ...this and update as for
16060 *branch_order<mode>.
16061 (*branch_equality<mode>): Accept zero as the second operand to
16062 the equality operator. Use the new mips_output_conditional_branch
16064 (*branch_equality<mode>_inverted): Likewise.
16065 (condjump): New expander.
16066 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16068 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16069 (bc1any2t, bc1any2f): Likewise.
16070 (single_cc): New expander.
16071 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16073 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16075 * doc/md.texi: Update documentation of MIPS constraints.
16076 * config/mips/constraints.md: New file.
16077 * config/mips/mips.md: Include it.
16078 * config/mips/mips.c (mips_char_to_class): Delete.
16079 (override_options): Don't initialize mips_char_to_class.
16080 * config/mips/mips.h (mips_char_to_class): Delete.
16081 (REG_CLASS_FROM_LETTER): Delete.
16082 (CONST_OK_FOR_LETTER_P): Delete.
16083 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16084 (EXTRA_CONSTRAINT_Y): Delete.
16085 (EXTRA_CONSTRAINT_STR): Delete.
16086 (CONSTRAINT_LEN): Delete.
16087 (EXTRA_MEMORY_CONSTRAINT): Delete.
16089 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16091 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16092 original fn's eh regions.
16094 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16096 * fold-const.c (build_range_check): Make sure to use a valid type to
16097 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16100 (range_predecessor): New static function.
16101 (range_successor): Likewise.
16102 (merge_ranges): Use them to compute predecessors and successors of
16105 2006-03-09 Roger Sayle <roger@eyesopen.com>
16107 PR middle-end/26561
16108 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16109 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16111 2006-03-08 DJ Delorie <dj@redhat.com>
16113 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16114 (addpsi3): Expand to include memory operands. Remove
16115 reload-specific splits.
16116 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16117 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16118 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16119 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16120 (shift1_qi, shift1_hi, insv): New.
16121 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16122 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16123 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16125 * config/m32c/m32c-protos.h: Update as needed.
16126 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16127 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16128 Fail for unrecognized R* constraints.
16129 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16130 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16131 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16133 (m32c_init_libfuncs): New.
16134 (m32c_legitimate_address_p): Add debug wrapper.
16135 (m32c_rtx_costs): New.
16136 (m32c_address_cost): New.
16137 (conversions): Add 'B' prefix.
16138 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16139 operands, or word regnames for QI operands. 'B' prints bit
16141 (m32c_expand_setmemhi): New.
16142 (m32c_expand_movmemhi): New.
16143 (m32c_expand_movstr): New.
16144 (m32c_expand_cmpstr): New.
16145 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16146 (m32c_expand_neg_mulpsi3): Handle non-ints.
16147 (m32c_cmp_flg_0): New.
16148 (m32c_expand_movcc): New.
16149 (m32c_expand_insv): New.
16150 (m32c_scc_pattern): New.
16151 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16152 a0/a1 out of SIregs.
16153 (STORE_FLAG_VALUE): New.
16154 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16157 * config/m32c/mov.md: Make constraints more liberal.
16158 (zero_extendqihi2): Optimize r0/r1 case.
16159 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16160 * config/m32c/predicates.md (m32c_any_operand): New.
16161 (m32c_nonimmediate_operand): New.
16162 (m32c_hl_operand): New.
16163 (m32c_r3_operand): New.
16166 (memsym_operand): New.
16167 (memimmed_operand): New.
16168 (a_qi_operand): New.
16169 (m32c_eqne_operator): New.
16170 (m32c_1bit8_operand): New.
16171 (m32c_1bit16_operand): New.
16172 (m32c_1mask8_operand): New.
16173 (m32c_1mask16_operand): New.
16174 * config/m32c/blkmov.md: New file.
16175 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16177 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16179 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16180 unsigned to fix signed/unsigned comparison issue in
16181 DWARF2_FRAME_REG_OUT.
16182 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16183 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16185 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16186 of ptr into the ENABLE_CHECKING section.
16188 2006-03-08 Jeff Law <law@redhat.com>
16190 * tree-vrp.c (infer_value_range): Only count pointer uses
16191 and dereferences if -fdelete-null-pointer-checks is enabled.
16193 * tree-vrp.c (find_assert_locations): Infer value ranges for
16194 single use pointers, but do not create ASSERT_EXPRs for them.
16195 When a non-null range is inferred for a pointer, backwards
16196 propagate that range to other equivalent pointers through the
16199 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16202 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16203 language hook targets.
16204 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16205 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16206 if language hook targets were missing.
16208 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16210 * tree-ssa-opfinalize.h: Removed.
16211 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16213 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16214 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16215 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16216 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16217 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16218 finalize_ssa_v_must_def_ops): New.
16220 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16222 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16223 block as parameter.
16225 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16227 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16229 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16230 addresses with offsets; reorganize.
16232 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16233 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16234 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16236 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16239 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16241 2006-03-08 Ben Elliston <bje@au.ibm.com>
16243 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16245 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16248 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16251 2006-03-07 Richard Guenther <rguenther@suse.de>
16253 PR tree-optimization/26587
16254 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16256 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16258 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16260 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16262 * hooks.c (hook_bool_mode_rtx_true): New function.
16263 * hooks.h (hook_bool_mode_rtx_true): Declare.
16264 * toplev.c (compile_file): Call output_shared_constant_pool.
16265 * varasm.c (shared_constant_pool): New variable.
16266 (assemble_start_function, assemble_end_function): Remove arguments
16267 from call to output_constant_pool.
16268 (create_constant_pool): New function, split out from...
16269 (init_varasm_status): ...here.
16270 (force_const_mem): Choose between the shared and per-function constant
16271 pools. Set current_function_uses_const_pool when reusing old entries
16272 as well as when creating new ones.
16273 (mark_constant): Ignore data argument.
16274 (mark_constants): Remove pool argument.
16275 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16276 to decide whether the function uses a constant pool.
16277 (output_constant_pool_contents): New function, split out from...
16278 (output_constant_pool): ...here.
16279 (output_shared_constant_pool): New function.
16280 (init_varasm_once): Initialize shared_constant_pool.
16281 * output.h (output_constant_pool): Delete.
16282 (output_shared_constant_pool): Declare.
16283 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16284 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16286 2006-03-06 Nick Clifton <nickc@redhat.com>
16288 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16289 flag_strength_reduce.
16291 2006-03-06 Ben Elliston <bje@au.ibm.com>
16293 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16294 x86_64-*-linux* configurations.
16296 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16297 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16299 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16301 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16303 * basic-block.h: Remove the extern for
16304 rediscover_loops_after_threading.
16306 * cfgloop.c (cancel_loop): Make it static.
16307 * cfgloop.h: Remove the prototype for cancel_loop.
16309 * flow.c (recompute_reg_usage): Make it static.
16310 * rtl.h: Remove the prototype for recompute_reg_usage.
16312 * function.c (use_return_register): Make it static.
16313 * function.h: Remove the prototype.
16315 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16317 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16319 * recog.h: Remove the prototype for
16320 validate_change_maybe_volatile.
16322 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16324 * rtlanal.c (replace_reg): Remove.
16325 * rtl.h: Remove the prototype for replace_reg.
16327 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16329 * regclass.c (reg_scan_update): Remove.
16330 (reg_scan_mark_refs): Remove the last argument.
16331 * rtl.h: Remove the prototype for reg_scan_update.
16333 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16335 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16336 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16337 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16338 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16339 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16340 loop-invariant.c, omp-low.c, opts.c, passes.c,
16341 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16342 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16343 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16344 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16345 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16346 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16348 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16350 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16351 * dwarf2out.h: Remove the prototype for
16352 dwarf2out_add_library_unit_info.
16354 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16356 * tree.c (add_var_to_bind_expr): Remove.
16357 * tree.h: Remove the prototype for add_var_to_bind_expr.
16359 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16361 * regclass.c (n_non_fixed_regs): Remove.
16362 (init_reg_sets_1, globalize_reg): Remove all uses of
16364 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16366 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16368 * rtlanal.c (insns_safe_to_move_p): Remove.
16369 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16371 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16373 * expmed.c (expand_mult_add): Remove.
16374 * expr.h: Remove the prototype for expand_mult_add.
16376 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16378 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16379 and REG_SAVED_VAL_EXP constants.
16380 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16381 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16382 Handle regs stored by value.
16383 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16384 (execute_cfa_program): Handle DW_CFA_val_offset,
16385 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16386 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16387 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16388 (uw_install_context_1): Handle target regs stored by value.
16390 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16392 * tree-sra.c (tree_sra): Return todoflags;
16393 (generate_one_element): Set TODO_update_smt_usage if needed.
16394 (pass_sra): Remove TODO_update_smt_usage.
16395 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16397 (tree_ssa_forward_propagate_single_use_vars): Return
16398 TODO_update_smt_usage if we need to update SMT usage.
16399 (pass_forwprop): Remove TODO_update_smt_usage.
16401 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16403 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16404 (correct_use_link): Remove reference to get_stmt_operands.
16405 (update_stmt_operands): Likewise.
16406 (get_modify_expr_operands): New function factored out of
16407 parse_ssa_operands and get_expr_operands.
16408 Try to create V_MUST_DEFs for LHS by default.
16409 (get_expr_operands) <case MODIFY_EXPR>: Call
16410 get_modify_expr_operands.
16411 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16412 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16413 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16414 get_modify_expr_operands.
16416 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16418 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16419 * tree-flow.h: Remove the prototype for
16420 referenced_var_lookup_if_exists.
16422 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16424 PR rtl-optimization/26345
16426 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16428 2006-03-03 Roger Sayle <roger@eyesopen.com>
16430 PR tree-optimization/26524
16431 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16432 fold_convert to create a constant of the appropriate type.
16434 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16436 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16437 SYMBOL_REF_IN_BLOCK_P.
16438 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16439 of SYMBOL_FLAG_IN_BLOCK.
16440 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16441 instead of SYMBOL_REF_IN_BLOCK_P.
16442 * explow.c (use_anchored_address): Likewise.
16443 * rtl.c (rtx_size): Likewise.
16444 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16445 instead of SYMBOL_FLAG_IN_BLOCK.
16446 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16447 SYMBOL_REF_IN_BLOCK_P.
16448 (assemble_variable): Likewise.
16449 (output_constant_def_contents): Likewise.
16450 (output_constant_pool): Likewise.
16451 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16452 instead of SYMBOL_FLAG_IN_BLOCK.
16453 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16454 SYMBOL_REF_IN_BLOCK_P.
16455 (SYMBOL_REF_BLOCK): Likewise.
16456 (SYMBOL_REF_OFFSET): Likewise.
16457 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16458 SYMBOL_REF_IN_BLOCK_P.
16459 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16460 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16461 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16462 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16464 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16466 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16468 2006-03-02 Roger Sayle <roger@eyesopen.com>
16470 * simplify-rtx.c (simplify_unary_operation): When simplifying
16471 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16472 that we perform the right shift in the appropriate mode, and
16473 then extend or truncate the result to requested mode.
16475 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16477 * gengtype.c (main): Handle double_int type.
16478 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16479 * double-int.c: New file.
16480 * double-int.h: New file.
16481 * system.h: Include doubleint.h.
16482 * Makefile.in (SYSTEM_H): Include double-int.h.
16483 (double-int.o): Add.
16485 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16488 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16491 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16493 * tree-vrp.c (remove_range_assertions): Do not update statements
16496 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16498 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16500 * gcse.c (rest_of_handle_gcse): Ditto.
16501 * except.c (gate_handle_eh): Ditto.
16502 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16503 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16505 2006-03-02 Eric Christopher <echristo@apple.com>
16507 * config/i386/i386.c (machopic_output_stub): Add indirection to
16510 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16514 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16516 Sun Niagara specific optimizations.
16517 * config.gcc: Recognize niagara as target.
16518 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16519 (TARGET_CPU_niagara): Define.
16520 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16521 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16522 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16523 (ASM_CPU_SPEC): Likewise.
16524 (PROCESSOR_NIAGARA): New enum entry.
16525 (REGISTER_MOVE_COST): Handle Niagara.
16526 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16527 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16528 (sparc_override_options): Recognize "niagara", set appropriate
16529 default MASK_* values for it, and align functions to 32-bytes
16530 by default just like ULTRASPARC/ULTRASPARC3.
16531 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16532 (sparc64_initialize_trampoline): Likewise.
16533 (sparc_use_sched_lookahead): Use zero for niagara.
16534 (sparc_issue_rate): Use one for niagara.
16535 * config/sparc/niagara.md: New file.
16536 * config/sparc/sparc.md: Include it.
16537 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16538 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16539 when default cpu is niagara.
16540 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16541 (ASM_CPU_SPEC): Likewise.
16542 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16543 when default cpu is niagara.
16544 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16545 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16546 just like v9/ultrasparc/ultrasparc3.
16547 * doc/invoke.texi: Add documentation for "niagara" and improve
16548 existing documentation for ultrasparc variants.
16550 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16552 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16554 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16556 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16557 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16558 and say that only one is needed.
16559 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16560 * target.h (have_switchable_bss_sections): New hook.
16561 * explow.c (use_anchored_address): Check that the symbol is in a block.
16562 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16563 (bss_noswitch_section): New variables.
16564 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16565 (get_noswitch_section): New function.
16566 (get_block_for_section): Allow SECT to be null.
16567 (unlikely_text_section_p): Use SECTION_STYLE.
16568 (bss_initializer_p): New function.
16569 (get_variable_section): Move earlier in file. Take a new argument,
16570 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16571 Return one of the new *_sections in such cases.
16572 (get_block_for_decl): New function, extracting some logic from
16573 use_blocks_for_decl_p.
16574 (change_symbol_section): Remove in favor of...
16575 (change_symbol_block): ...this new function.
16576 (use_blocks_for_decl_p): Remove checks now performed by
16577 get_block_for_decl.
16578 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16579 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16580 (emit_local, emit_bss, emit_common): ...these new functions.
16581 Return true if the alignment was honored.
16582 (emit_tls_common): New function.
16583 (asm_emit_uninitialised): Delete.
16584 (assemble_variable_noswitch): New function, split out from...
16585 (assemble_variable): ...here. Don't make decisions about common
16586 variables here. Globalize all public decls that go into non-common
16587 sections. Check whether SYMBOL_REF_BLOCK is null.
16588 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16589 (output_constant_pool): Likewise.
16590 (init_varasm_once): Initialize the new section variables.
16591 (have_global_bss_p): New function.
16592 (categorize_decl_for_section): Use bss_initializer_p.
16593 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16594 (place_block_symbol): Assert that the symbol must be in a block.
16595 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16596 (TARGET_INITIALIZER): Include it.
16597 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16598 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16599 (SECTION_MACH_DEP): Bump by two.
16600 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16601 (unnamed_section): Mention SECTION_UNNAMED in comment.
16602 (named_section): Likewise SECTION_NAMED.
16603 (noswitch_section_callback): New type.
16604 (noswitch_section): New structure.
16605 (section): Add a noswitch_section alternative.
16606 (SECTION_STYLE): New macro.
16607 (tls_comm_section, comm_section, lcomm_section): Declare.
16608 (bss_noswitch_section, have_global_bss_p): Declare.
16609 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16610 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16612 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16613 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16616 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16618 * tree-vrp.c (execute_vrp): Return value.
16619 * regrename.c (rest_of_handle_regrename): Ditto.
16620 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16621 * tree-complex.c (tree_lower_complex): Ditto.
16622 (tree_lower_complex_O0): Ditto.
16623 * tracer.c (rest_of_handle_tracer): Ditto.
16624 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16625 * postreload.c (rest_of_handle_postreload): Ditto.
16626 * tree-tailcall.c (execute_tail_recursion): Ditto.
16627 (execute_tail_calls): Ditto.
16628 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16629 * tree.h (init_function_for_compilation): Ditto.
16630 * ipa-cp.c (ipcp_driver): Ditto.
16631 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16632 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16633 * final.c (compute_alignments): Ditto.
16634 (rest_of_handle_final): Ditto.
16635 (rest_of_handle_shorten_branches): Ditto.
16636 (rest_of_clean_state): Ditto.
16637 * omp-low.c (execute_expand_omp): Ditto.
16638 (execute_lower_omp): Ditto.
16639 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16640 * ipa-reference.c (static_execute): Ditto.
16641 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16642 * reorg.c (rest_of_handle_delay_slots): Ditto.
16643 (rest_of_handle_machine_reorg): Ditto.
16644 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16645 * flow.c (recompute_reg_usage): Ditto.
16646 (rest_of_handle_remove_death_notes): Ditto.
16647 (rest_of_handle_life): Ditto.
16648 (rest_of_handle_flow2): Ditto.
16649 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16650 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16651 (do_ssa_store_ccp): Ditto.
16652 (execute_fold_all_builtins): Ditto.
16653 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16654 * modulo-sched.c (rest_of_handle_sms): Ditto.
16655 * ipa-pure-const.c (static_execute): Ditto.
16656 * cse.c (rest_of_handle_cse): Ditto.
16657 (rest_of_handle_cse2): Ditto.
16658 * web.c (rest_of_handle_web): Ditto.
16659 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16660 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16661 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16662 * tree-nrv.c (tree_nrv): Ditto.
16663 (execute_return_slot_opt): Ditto.
16664 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16665 (create_structure_vars): Ditto.
16666 * loop-init.c (rtl_loop_init): Ditto.
16667 (rtl_loop_done): Ditto.
16668 (rtl_move_loop_invariants): Ditto.
16669 (rtl_unswitch): Ditto.
16670 (rtl_unroll_and_peel_loops): Ditto.
16671 (rtl_doloop): Ditto.
16672 * gimple-low.c (lower_function_body): Ditto.
16673 (mark_used_blocks): Ditto.
16674 * tree-ssa-sink.c (execute_sink_code): Ditto.
16675 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16676 (cgraph_early_inlining): Ditto.
16677 * global.c (rest_of_handle_global_alloc): Ditto.
16678 * jump.c (cleanup_barriers): Ditto.
16679 (purge_line_number_notes): Ditto.
16680 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16681 (rest_of_handle_if_after_reload): Ditto.
16682 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16683 (tree_ssa_loop_im): Ditto.
16684 (tree_ssa_loop_unswitch): Ditto.
16685 (tree_vectorize): Ditto.
16686 (tree_linear_transform): Ditto.
16687 (tree_ssa_loop_ivcanon): Ditto.
16688 (tree_ssa_empty_loop): Ditto.
16689 (tree_ssa_loop_bounds): Ditto.
16690 (tree_complete_unroll): Ditto.
16691 (tree_ssa_loop_prefetch): Ditto.
16692 (tree_ssa_loop_ivopts): Ditto.
16693 (tree_ssa_loop_done): Ditto.
16694 * predict.c (tree_estimate_probability): Ditto.
16695 * recog.c (split_all_insns_noflow): Ditto.
16696 (rest_of_handle_peephole2): Ditto.
16697 (rest_of_handle_split_all_insns): Ditto.
16698 * tree-eh.c (lower_eh_constructs): Ditto.
16699 * regmove.c (rest_of_handle_regmove): Ditto.
16700 (rest_of_handle_stack_adjustments): Ditto.
16701 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16702 * function.c (instantiate_virtual_regs): Ditto.
16703 (init_function_for_compilation): Ditto.
16704 (rest_of_handle_check_leaf_regs): Ditto.
16705 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16706 (rest_of_handle_gcse): Ditto.
16707 * ipa-type-escape.c (type_escape_execute): Ditto.
16708 * alias.c (rest_of_handle_cfg): Ditto.
16709 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16710 * profile.c (rest_of_handle_branch_prob): Ditto.
16711 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16712 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16713 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16714 * tree-dfa.c (find_referenced_vars): Ditto.
16715 * except.c (set_nothrow_function_flags): Ditto.
16716 (convert_to_eh_region_ranges): Ditto.
16717 (rest_of_handle_eh): Ditto.
16718 * emit-rtl.c (unshare_all_rtl): Ditto.
16719 (remove_unnecessary_notes): Ditto.
16720 * except.h (set_nothrow_function_flags): Ditto.
16721 (convert_to_eh_region_ranges): Ditto.
16722 * cfgexpand.c (tree_expand_cfg): Ditto.
16723 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16724 * tree-ssa-pre.c (do_pre): Ditto.
16725 (execute_fre): Ditto.
16726 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16727 (rest_of_handle_jump2): Ditto.
16728 * tree-sra.c (tree_sra): Ditto.
16729 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16730 (execute_mudflap_function_decls): Ditto.
16731 * tree-ssa-copy.c (do_copy_prop): Ditto.
16732 (do_store_copy_prop): Ditto.
16733 * ipa-prop.h (ipcp_driver): Ditto.
16734 * cfglayout.c (insn_locators_initialize): Ditto.
16735 * tree-ssa-forwprop.c
16736 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16737 * cfglayout.h (insn_locators_initialize): Ditto.
16738 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16739 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16740 (execute_late_warn_uninitialized): Ditto.
16741 * rtl.h (cleanup_barriers): Ditto.
16742 (split_all_insns_noflow): Ditto.
16743 (purge_line_number_notes): Ditto.
16744 (unshare_all_rtl): Ditto.
16745 (remove_unnecessary_notes): Ditto.
16746 (recompute_reg_usage): Ditto.
16747 (variable_tracking_main): Ditto.
16748 * integrate.c (emit_initial_value_sets): Ditto.
16749 * integrate.h (emit_initial_value_sets): Ditto.
16750 * tree-optimize.c (execute_free_datastructures): Ditto
16751 (execute_free_cfg_annotations): Ditto.
16752 (execute_fixup_cfg): Ditto.
16753 (execute_cleanup_cfg_pre_ipa): Ditto.
16754 (execute_cleanup_cfg_post_optimizing): Ditto.
16755 (execute_init_datastructures): Ditto.
16756 * tree-object-size.c (compute_object_sizes): Ditto.
16757 * combine.c (rest_of_handle_combine): Ditto.
16758 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16759 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16760 (rest_of_handle_reorder_blocks): Ditto.
16761 (rest_of_handle_partition_blocks): Ditto.
16762 * var-tracking.c (variable_tracking_main): Ditto.
16763 * tree-profile.c (tree_profiling): Ditto.
16764 * tree-vect-generic.c (expand_vector_operations): Ditto.
16765 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16766 * sched-rgn.c (rest_of_handle_sched): Ditto.
16767 (rest_of_handle_sched2): Ditto.
16768 * basic-block.h (free_bb_insn): Ditto.
16769 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16770 * tree-cfg.c (execute_build_cfg): Ditto.
16771 (remove_useless_stmts): Ditto.
16772 (split_critical_edges): Ditto.
16773 (execute_warn_function_return): Ditto.
16774 (execute_warn_function_noreturn): Ditto.
16775 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16776 * cfgrtl.c (free_bb_for_insn): Ditto.
16777 * passes.c (execute_one_pass): Run additional
16778 todos returned by execute function.
16779 * tree-pass.h (struct tree_opt_pass): Make execute
16782 2006-03-02 Richard Guenther <rguenther@suse.de>
16784 * tree-ssa-alias.c (find_used_portions): Consider taking
16785 the address as making the variable not write-only.
16787 2006-03-02 Nick Clifton <nickc@redhat.com>
16789 * config.gcc (default_use_cxa_atexit): Extend the description of
16790 this configure variable. Set its default value to "yes" for
16791 Linux, NetBSD and ELF targets on the assumption that they will
16792 use C libraries with the __cxa_atexit function.
16794 2006-03-02 Ben Elliston <bje@au.ibm.com>
16796 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16797 parameter as unused to suppress a build warning.
16799 2006-03-02 Ben Elliston <bje@au.ibm.com>
16801 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16804 2006-03-01 Roger Sayle <roger@eyesopen.com>
16807 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16808 declared name, the weak reference name, and the typeof name.
16809 (__gthrw): Avoid expanding the declared name suffix.
16810 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16812 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16814 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16816 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16817 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16818 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16819 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16820 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16821 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16822 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16823 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16824 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16825 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16826 (DW_END_default, DW_END_big, DW_END_little): New.
16827 (DW_END_lo_user, DW_END_hi_user): Define.
16828 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16829 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16830 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16833 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16835 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16837 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16839 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16841 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16843 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16844 to 'symbol_mem_tag'.
16846 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16849 2006-03-01 Roger Sayle <roger@eyesopen.com>
16851 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16853 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16856 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16857 MACHO_DYNAMIC_NO_PIC_P.
16858 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16860 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16863 * config/darwin-protos.h (darwin_asm_output_anchor):
16865 * config/darwin-sections.def (cstring_section):
16866 Add SECTION_MERGE to the flags.
16867 (literal4_section): Likewise.
16868 (literal8_section): Likewise.
16869 (objc_selector_refs_section): Likewise.
16870 (objc_cls_refs_section): Likewise.
16871 * config/darwin.c (darwin_asm_output_anchor): New
16873 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16875 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16877 Fix PR tree-optimization/26443
16878 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16879 to todo and PROP_tmt_usage to properties_destroyed.
16880 * tree-ssa-ccp.c (pass_ccp): Ditto.
16881 (pass_store_ccp): Ditto.
16882 * tree-ssa-dom.c (pass_dominator): Ditto.
16884 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16886 * tree-ssa-operands.c: Cleanup whitespace.
16887 (get_asm_expr_operands): Move before first invocation.
16888 (get_indirect_ref_operands): Likewise.
16889 (get_tmr_operands): Likewise.
16890 (get_call_expr_operands): Likewise.
16891 (append_def): Likewise.
16892 (append_use): Likewise.
16893 (append_v_may_def): Likewise.
16894 (append_v_must_def): Likewise.
16895 (add_call_clobber_ops): Likewise.
16896 (add_call_read_ops): Likewise.
16897 (add_stmt_operand): Likewise.
16898 (add_virtual_operand): Likewise.
16899 (build_ssa_operands): Likewise.
16901 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16903 PR middle-end/26022
16905 PR middle-end/24437
16906 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16907 with a call expr to ...
16908 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16910 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16912 * tree-vrp.c (extract_range_from_assert): Remove special
16913 handling for types with super-types.
16915 2006-03-01 Ben Elliston <bje@au.ibm.com>
16917 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16918 and powerpc64-*-linux* configurations.
16919 * config/t-dfprules: New file.
16921 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16922 Compile dfp-bit.c from the source directory using -DWIDTH and
16923 $DFP_CFLAGS to control the compilation of that file, rather than
16924 generating width-specific versions in the build directory.
16925 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16926 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16928 2006-02-28 Zack Weinberg <zackw@panix.com>
16930 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16933 2006-02-28 Eric Christopher <echristo@apple.com>
16935 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16936 Set up IN_LIBGCC definition of TARGET_64BIT.
16937 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16939 2006-02-28 Roger Sayle <roger@eyesopen.com>
16941 PR middle-end/14752
16942 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16943 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16944 cases via the construction of "expr != 0".
16946 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16948 * alias.c (alias_invariant, alias_invariant_size): Remove.
16949 (record_base_value): Remove.
16950 (memrefs_conflict_p): Don't look at alias_invariant.
16951 (end_alias_analysis): Don't free it.
16952 * alias.h (record_base_value): Remove prototype.
16954 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16955 Adam Nemet <anemet@caviumnetworks.com>
16957 * rtl.h (truncated_to_mode): Declare it.
16958 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16959 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16960 (RTL_HOOKS_INITIALIZER): Include it.
16961 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16962 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16963 reg_truncated_to_mode.
16964 * rtlanal.c (truncated_to_mode): Define it.
16965 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16967 2006-02-28 Jeff Law <law@redhat.com>
16969 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16970 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16971 the range allowed by TYPE_PRECISION.
16973 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16975 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16977 PR tree-optimization/26419
16978 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16981 2006-02-27 Zack Weinberg <zackw@panix.com>
16983 * doc/md.texi: Fix typo in previous change.
16985 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16989 2006-02-27 Zack Weinberg <zackw@panix.com>
16991 * rtl.def (define_constraint, define_register_constraint)
16992 (define_memory_constraint, define_address_constraint): New MD forms.
16993 * gensupport.c (process_rtx): Put define_constraint etc on the
16995 * genpreds.c (process_define_predicate): Adjust comment. Validate
16996 the name, and call validate_exp to validate the expression.
16997 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16998 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16999 all callers changed.
17000 (validate_exp, needs_variable, struct constraint_data)
17001 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17002 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17003 (const_dbl_constraints, constraint_max_namelen)
17004 (have_register_constraints, have_memory_constraints)
17005 (have_address_constraints, have_address_constraints)
17006 (have_extra_constraints, have_const_int_constraints)
17007 (have_const_dbl_constraints, mangle, add_constraint)
17008 (process_define_constraint, process_define_register_constraint)
17009 (write_enum_constraint_num, write_lookup_constraint)
17010 (write_insn_constraint_len, write_regclass_for_constraint)
17011 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17012 (write_insn_extra_memory_constraint)
17013 (write_insn_extra_address_constraint)
17014 (write_satisfies_constraint_fns): New.
17015 (write_tm_preds_h): If we have new-style constraint definitions,
17016 prototype the functions generated from them, and define the
17017 old constraint interface (still used by generic code) in terms of
17019 (write_insn_preds_c): If we have new-style constraint definitions,
17020 generate all relevant functions from those definitions.
17021 (main): Handle define_constraint etc.
17022 * genoutput.c (struct constraint_data, indep_constraints)
17023 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17024 (mdep_constraint_len): New data structures and functions, defined
17025 #ifdef USE_MD_CONSTRAINTS.
17026 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17027 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17028 use new logic to validate operand constraints against constraint
17030 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17032 * defaults.h: If none of the old-style constraint macros are
17033 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17034 old-style macros; and poison REG_CLASS_FROM_LETTER,
17035 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17037 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17038 * doc/md.texi: Document new constraint-definition mechanism and the
17039 C interface it provides. Remove references to old mechanism
17040 elsewhere in the document.
17041 (Machine Constraints): Use pathnames relative to gcc directory,
17042 i.e. config/ARCH/FILE. Change i386 section to refer to
17043 config/i386/predicates.md; update that section to match docstrings.
17044 * doc/tm.texi: Move all documentation of the old constraint-
17045 definition macros to their own section, clearly mark as obsolete.
17047 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17048 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17050 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17051 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17052 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17053 constraint strings.
17054 (splits and peepholes): Use satisfies_constraint_*.
17055 * config/i386/i386.c (memory_address_length)
17056 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17058 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17060 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17061 scalar operation to be put back into the loop.
17063 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17066 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17067 (extract_cie_info): Handle S flag in augmentation string.
17068 (execute_cfa_program): If context->signal_frame, execute also
17069 fs->pc == context->ra instructions.
17070 (uw_frame_state_for): If context->signal_frame, don't subtract one
17071 from context->ra to find FDE.
17072 (uw_update_context_1): Set context->signal_frame to
17074 (_Unwind_GetIPInfo): New function.
17075 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17076 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17078 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17079 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17080 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17081 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17082 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17083 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17084 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17085 x86_64_fallback_frame_state): Set fs->signal_frame.
17086 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17087 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17088 (frob_update_context): Likewise. Workaround missing S flag in
17089 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17090 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17091 Remove the psw_addr + 1 hack.
17093 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17095 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17096 with aggregates here.
17097 (find_func_aliases): Remove code for &<aggregate> from here.
17099 2006-02-26 Roger Sayle <roger@eyesopen.com>
17101 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17102 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17103 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17104 as (X & C) ne/eq 0.
17106 2006-02-26 Roger Sayle <roger@eyesopen.com>
17108 PR middle-end/19983
17109 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17111 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17113 * opts.c (decode_options): Do not handle flag_strength_reduce.
17114 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17115 and OPT_fstrength_reduce.
17116 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17117 flag_prefetch_loop_arrays for being nonzero.
17118 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17120 (fprefetch-loop-arrays-rtl): Removed.
17121 (flag_prefetch_loop_arrays): Do not specify the value.
17123 * doc/passes.texi: Update documentation of loop optimizer
17125 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17126 -frerun-loop-opt): Remove.
17128 2006-02-26 Richard Guenther <rguenther@suse.de>
17130 PR tree-optimization/26421
17131 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17132 in function calls that are ADDR_EXPRs as using the whole structure.
17134 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17136 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17137 * tree-pass.h (pass_loop_optimize): Remove.
17138 * passes.c (pass_loop_optimize): Never run it.
17139 * toplev.c (backend_init): Don't call init_loop.
17140 * opts.c (flag_loop_optimize_set): Remove.
17141 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17142 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17143 the old RTL loop optimizer when profiling enabled.
17144 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17145 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17146 pre-headers for the sake of the old RTL loop optimizer.
17147 * Makefile.in: Remove all references to loop.o.
17149 * doc/invoke.texi: Remove all references to -floop-optimize
17150 and -frerun-loop-opt.
17152 2006-02-26 Zack Weinberg <zackw@panix.com>
17154 * doc/md.texi (Machine Constraints): Refer to all files with paths
17155 relative to gcc directory (i.e. config/CPU/file). Add missing
17156 @table @code ... @end table to M32C subsection.
17158 2006-02-26 Roger Sayle <roger@eyesopen.com>
17160 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17162 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17164 2006-02-26 Roger Sayle <roger@eyesopen.com>
17165 James A. Morrison <phython@gcc.gnu.org>
17167 PR middle-end/21137
17168 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17169 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17170 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17171 signedness of the shift operation.
17173 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17175 PR tree-optimization/26359
17176 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17178 2006-02-25 Roger Sayle <roger@eyesopen.com>
17180 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17181 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17182 as X == 0, and some symmetry related transformations.
17183 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17185 2006-02-25 Roger Sayle <roger@eyesopen.com>
17187 PR middle-end/23673
17188 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17189 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17190 symmetry related transformations. Fold (X^C1) == C2 as
17193 2006-02-25 Juergen Weigert <jw@suse.de>
17194 Richard Guenther <rguenther@suse.de>
17196 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17198 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17200 * combine.c (gen_lowpart_or_truncate): Call
17201 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17203 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17205 * doc/invoke.texi: Move -fopenmp description to "Options for
17207 Remove reference to -lgomp.
17209 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17211 * doc/install.texi: Require GNU tar version 1.14.
17213 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17215 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17216 * doc/invoke.texi (C++ Dialect Options): Document
17217 -fno-use-cxa-get-exception-ptr.
17218 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17219 * configure: Regenerate.
17220 * c.opt (fuse-cxa-get-exception-ptr): New.
17221 * c-opts.c (c_common_handle_option): Handle
17222 OPT_fuse_cxa_get_exception_ptr.
17223 * c-common.c (flag_use_cxa_atexit): Update documentation.
17224 (flag_use_cxa_get_exception_ptr): New.
17225 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17226 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17228 (C_COMMON_OVERRIDE_OPTIONS): New.
17230 2006-02-24 Roger Sayle <roger@eyesopen.com>
17232 PR middle-end/24952
17233 * combine.c (try_combine): Explicitly check whether GET_CODE is
17234 a SET or a CLOBBER, instead on checking that it isn't a USE.
17236 2006-02-24 Roger Sayle <roger@eyesopen.com>
17238 * fold-const.c (fold_comparison): New subroutine of fold_binary
17239 containing transformations common to both the equality and
17240 ordering relational operators, factored out of fold_binary.
17241 (fold_binary): Separate out the equality operators (EQ_EXPR
17242 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17243 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17244 transformations common to both.
17245 (fold_div_compare): Fix latent bugs in the previously unreachable
17246 LT_EXPR and GE_EXPR cases.
17248 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17250 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17251 decl libname for clog to __clog on AIX.
17253 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17255 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17258 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17259 output traceback table for thunks. Localise rs6000_stack_info call.
17261 2006-02-23 Roger Sayle <roger@eyesopen.com>
17262 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17264 * gthr-posix.h (__gthrw): Fix typo in comment.
17266 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17268 * doc/cpp.texi (Character sets): Document that we do support
17269 input files to be in any character set.
17271 2006-02-23 Jeff Law <law@redhat.com>
17273 * tree.h (PHI_ARG_NONZERO): Remove.
17274 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17275 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17276 node to the new node.
17278 PR tree-optimization/26425
17279 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17280 min/max, then assume its varying.
17282 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17284 PR rtl-optimization/26316
17285 * rtlanal.c (enum may_trap_p_flags): New.
17286 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17287 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17288 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17289 (may_trap_after_code_motion_p): New function.
17290 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17291 (find_invariant_insn): Use may_trap_after_code_motion_p.
17292 * rtl.h (may_trap_after_code_motion_p): Declare.
17294 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17296 * emit-rtl.c (immed_double_const): Cleanup.
17298 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17300 Fix PR tree-optimization/26376
17301 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17304 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17306 PR middle-end/26412
17307 * gimplify.c (omp_add_variable): Guard variable size decl test with
17308 DECL_SIZE (decl) check.
17310 2006-02-23 Richard Guenther <rguenther@suse.de>
17312 PR middle-end/26439
17313 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17314 like aggregate types.
17316 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17318 * configure.ac: Add --with{,out}-long-double-128 configure option.
17319 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17320 * configure: Rebuilt.
17321 * config.in: Rebuilt.
17322 * doc/install.texi (Options specification): Document
17323 --with-long-double-128.
17325 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17326 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17327 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17328 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17330 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17332 * config/s390/s390.c (override_options): Handle
17333 TARGET_DEFAULT_LONG_DOUBLE_128.
17335 * config/alpha/alpha.c (override_options): Handle
17336 TARGET_DEFAULT_LONG_DOUBLE_128.
17338 * config/sparc/sparc.c (sparc_override_options): Handle
17339 TARGET_DEFAULT_LONG_DOUBLE_128.
17341 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17343 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17344 (real-install-headers-tar, real-install-headers-cpio)
17345 (real-install-headers-cp): New targets.
17347 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17349 * tree.h (variable_section): Delete.
17350 * varasm.c (variable_section): Delete.
17352 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17354 * install.texi: Add notes on install.texi2html.
17355 (Building in parallel): Do not use footnotes.
17357 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17360 * doc/install.texi (Configuration): Document --disable-libgomp.
17362 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17364 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17366 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17368 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17369 (vec_extractv2df_0_sse): New.
17371 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17373 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17374 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17375 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17376 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17377 to the result of the expression.
17378 (def_cfa_1): Adjust.
17379 (frame_pointer_cfa_offset): Rename to...
17380 (frame_pointer_fb_offset): ... this. Adjust all uses.
17381 (convert_cfa_to_loc_list): Rename to...
17382 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17383 Pass it on to build_cfa_loc.
17384 (compute_frame_pointer_to_cfa_displacement): Rename to...
17385 (compute_frame_pointer_to_fb_displacement): ... this. New
17386 offset parameter. Use it in computation.
17387 (gen_subprogram_die): Compute cfa_fb_offset with the new
17388 macro, and use it to compute the fb loc list and the
17391 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17393 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17394 replaced with register_operand.
17395 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17396 non-DREG is expensive.
17397 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17398 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17401 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17403 * doc/install.texi2html: Use set -e.
17405 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17407 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17408 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17409 * doc/invoke.texi (-fshared-data): Delete.
17410 * common.opt (fshared-data): Delete.
17411 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17412 (assemble_static_space): Remove #if 0 code.
17413 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17414 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17415 * config/cris/cris.h: Remove FIXME.
17417 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17419 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17422 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17424 PR middle-end/26379
17425 * combine.c (simplify_shift_const_1): Disable nested shifts
17426 optimization for vector shifts.
17428 2006-02-20 Roger Sayle <roger@eyesopen.com>
17430 PR tree-optimization/26361
17431 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17432 of unsigned integer types.
17434 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17436 * tree-chrec.c (eq_evolutions_p): New.
17437 * tree-chrec.h (eq_evolutions_p): Declared.
17438 * tree-data-ref.c: Fix formatting.
17439 (datadep_stats, dependence_stats): New.
17441 (print_direction_vector): New.
17442 (dump_data_dependence_relation): Use print_direction_vector.
17443 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17444 (compute_subscript_distance): Static.
17445 (initialize_data_dependence_relation): Static. Get the number
17446 of loops surrounding the references from the callers, and initialize
17447 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17448 base_object_differ_p analyzers.
17449 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17450 compute_overlap_steps_for_affine_1_2,
17451 analyze_subscript_affine_affine): Count the classified dependences.
17452 Print a message when a test failed.
17453 (can_use_analyze_subscript_affine_affine): New.
17454 (analyze_siv_subscript): Compute the data dependences on symbolic
17455 scevs that verify can_use_analyze_subscript_affine_affine.
17456 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17457 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17458 Handle symbolic scevs.
17459 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17461 (subscript_dependence_tester): Moved...
17462 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17463 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17464 DDR_SIZE_VECT instead of getting it in parameter.
17465 (subscript_dependence_tester): ... here. Take as a parameter
17466 loop_nest_depth. Call build_classic_dist_vector and
17467 build_classic_dir_vector.
17468 (compute_affine_dependence): Update subscript_dependence_tester
17469 parameters. Update datadep_stats counters. Call
17470 compute_subscript_distance.
17471 (compute_self_dependence): Save the dist and dir vectors. Call
17472 compute_subscript_distance.
17473 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17474 (compute_all_dependences): Reorder parameters as they were before
17475 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17476 compute_subscript_distance. Update the use of
17477 compute_affine_dependence and initialize_data_dependence_relation.
17478 (find_data_references_in_loop): Handle COMPONENT_REF.
17479 (compute_data_dependences_for_loop): Initialize dependence_stats.
17480 Don't call build_classic_dist_vector and build_classic_dir_vector.
17481 Update the parameters of initialize_data_dependence_relation and
17482 compute_all_dependences. Print the statistics from datadep_stats.
17483 (analyze_all_data_dependences): Static. Not used until the pass for
17484 checking the data dependences is contributed.
17485 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17486 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17487 (initialize_data_dependence_relation, compute_affine_dependence,
17488 analyze_all_data_dependences, compute_subscript_distance): Removed.
17489 (print_direction_vector): New.
17490 * lambda.h (gcd): ... here.
17491 (lambda_vector_gcd): Moved here from gcd_vector.
17492 * lambda-code.c (gcd, gcd_vector): Removed.
17493 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17494 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17496 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17498 * ipa-type-escape.c: Tidy some comments and white space.
17499 * tree-ssa-operands.c: Likewise.
17501 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17504 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17505 (dump_decl_name): Do not walk the decl tree chains.
17506 * tree-pass.h (TDF_CHAIN): Remove.
17508 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17510 * Makefile.in (C): Remove
17512 (.PHONY): Remove C and PROTO
17514 2006-02-20 Roger Sayle <roger@eyesopen.com>
17516 PR middle-end/26236
17517 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17518 deprecated CHAR_TYPE tree code.
17520 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17522 * configure.ac (target_list): Add install-info, dvi, html.
17523 * configure: Regenerate.
17525 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17526 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17527 treelang/Make-lang.in: Do not use double-colon rules.
17529 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17531 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17532 (TMT_USED_ALONE): New macro.
17533 * tree-pass.h (PROP_tmt_usage): New property.
17534 (TODO_update_tmt_usage): New todo.
17535 * tree-ssa-alias.c (updating_used_alone): New variable.
17536 (recalculate_used_alone): New function.
17537 (compute_may_aliases): Set updating_used_alone, call
17538 recalculate_used_alone.
17539 * tree-sra.c (pass_sra): Note that this pass destroys
17540 PROP_tmt_usage, and add TODO_update_tmt_usage.
17541 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17542 * tree-flow.h (updating_used_alone): Prototype.
17543 (recalculate_used_alone): Ditto.
17544 * passes.c (execute_todo): Add code to set updating_used_alone,
17545 and call recalculate.
17546 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17547 for clobber if used alone, and add assert to verify used_alone
17550 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17552 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17553 for non tls symbols added.
17554 (legitimize_address): Do nothing for PLUS expressions if one of the
17555 addends is a tls symbol reference.
17557 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17561 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17563 * Makefile.in (BOOTSTRAPPING): New.
17564 (quickstrap): New definition if BOOTSTRAPPING=yes.
17566 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17567 * configure.ac: Substitute all_selected_languages with the languages
17568 that were configured. For all the other variables except
17569 lang_specs_files, include all the languages in the tree.
17570 * configure: Regenerate.
17572 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17573 if there is one. Run the commands to run fixincludes in the same
17576 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17577 * doc/install.texi: Document exact conventions for searching target tools.
17578 Document --with-build-time-tools. Document toplevel bootstrap. Document
17579 something more about building an Ada cross-compiler. Don't list GNU Make
17580 requirements which affect all platforms.
17582 2006-02-19 Roger Sayle <roger@eyesopen.com>
17584 PR middle-end/19543
17585 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17586 only equivalent if the have both the same mode and precision.
17588 2006-02-20 Ben Elliston <bje@au.ibm.com>
17590 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17592 2006-02-19 Roger Sayle <roger@eyesopen.com>
17593 Steven Bosscher <stevenb.gcc@gmail.com>
17595 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17596 constant pool references to identify stack mode constants.
17597 * rtlanal.c (constant_pool_constant_p): New predicate to check
17598 whether operand is a floating point constant in the pool.
17599 * rtl.h (constant_pool_constant_p): Prototype here.
17600 * loop.c (scan_loop): Avoid hoisting constants from the constant
17601 pool on STACK_REGS targets.
17602 (load_mems): Likewise.
17603 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17604 loads into x87 registers expensive in terms of register pressure.
17606 2006-02-19 Roger Sayle <roger@eyesopen.com>
17608 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17609 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17611 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17613 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17614 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17616 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17618 * doc/invoke.texi: Document -fipa-pta.
17619 * common.opt: Add ipa-pta option.
17620 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17621 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17622 (do_ds_constraint): Ditto.
17623 (get_constraint_for): Only add to referenced_vars if
17624 referenced_vars exists.
17625 (insert_into_field_list): Rewrite to do this unsorted.
17626 (insert_into_field_list_sorted): Rename old insert_into_field_list
17628 (create_function_info_for): Use insert_into_field_list_sorted.
17629 (create_variable_info_for): Rewrite so it uses unsorted version,
17630 since the field list is sorted.
17631 (intra_create_variable_infos): Only add to referenced_vars if
17632 referenced_vars exists.
17633 (ipa_pta_execute): Init heapvars, and delete when done.
17634 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17636 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17638 * doc/install.texi: Add missing `@samp'.
17640 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17642 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17645 2006-02-18 Mark Wielaard <mark@klomp.org>
17647 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17648 who added new 4.1 features, bug fixes and integration support.
17650 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17653 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17654 MEM for ABI_V4 pic.
17656 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17658 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17659 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17660 (copy_insn_1): Likewise. Don't copy each field individually.
17662 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17664 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17665 * rtl.c (rtx_size): Rename variable to...
17666 (rtx_code_size): ...this.
17667 (rtx_size): New function.
17668 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17669 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17671 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17672 * rtl.h (rtx_code_size): New variable.
17673 (rtx_size): Change from a variable to a function.
17674 (RTX_SIZE): Rename to...
17675 (RTX_CODE_SIZE): ...this.
17678 PR tree-optimization/17106
17679 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17680 (Anchored Addresses): New section.
17681 * doc/invoke.texi (-fsection-anchors): Document.
17682 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17683 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17684 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17685 * hooks.c (hook_bool_mode_rtx_false): New function.
17686 * hooks.h (hook_bool_mode_rtx_false): Declare.
17687 * gengtype.c (create_optional_field): New function.
17688 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17689 SYMBOL_REF_IN_BLOCK_P is true.
17690 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17691 (min_anchor_offset, max_anchor_offset): Likewise.
17692 (use_anchors_for_symbol_p): New hook.
17693 * toplev.c (compile_file): Call output_object_blocks.
17694 (target_supports_section_anchors_p): New function.
17695 (process_options): Check that -fsection-anchors is only used on
17696 targets that support it and when -funit-at-a-time is in effect.
17697 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17698 if the decl doesn't have one.
17699 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17700 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17701 of force_const_mem through use_anchored_address.
17702 (expand_expr_constant): New function.
17703 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17704 calling expand_expr for INDIRECT_REF.
17705 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17706 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17707 * expr.h (use_anchored_address): Declare.
17708 * loop-unroll.c: Don't declare rtx vectors here.
17709 * explow.c: Include output.h.
17710 (validize_mem): Call use_anchored_address.
17711 (use_anchored_address): New function.
17712 * common.opt (-fsection-anchors): New switch.
17713 * varasm.c (object_block_htab, anchor_labelno): New variables.
17714 (hash_section, object_block_entry_eq, object_block_entry_hash)
17715 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17716 (use_blocks_for_decl_p, change_symbol_section): New functions.
17717 (get_variable_section): New function, split out from assemble_variable.
17718 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17719 use_blocks_for_decl_p say so. Use change_symbol_section if the
17720 symbol has already been created.
17721 (assemble_variable_contents): New function, split out from...
17722 (assemble_variable): ...here. Don't output any code for
17723 block symbols; just pass them to place_block_symbol.
17724 Use get_variable_section and assemble_variable_contents.
17725 (get_constant_alignment, get_constant_section, get_constant_size): New
17726 functions, split from output_constant_def_contents.
17727 (build_constant_desc): Create a block symbol if use_object_blocks_p
17728 says so. Or into SYMBOL_REF_FLAGS.
17729 (assemble_constant_contents): New function, split from...
17730 (output_constant_def_contents): ...here. Don't output any code
17731 for block symbols; just pass them to place_section_symbol.
17732 Use get_constant_section and get_constant_alignment.
17733 (force_const_mem): Create a block symbol if use_object_blocks_p and
17734 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17735 (output_constant_pool_1): Add an explicit alignment argument.
17736 Don't switch sections here.
17737 (output_constant_pool): Adjust call to output_constant_pool_1.
17738 Switch sections here instead. Don't output anything for block symbols;
17739 just pass them to place_block_symbol.
17740 (init_varasm_once): Initialize object_block_htab.
17741 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17742 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17743 (place_block_symbol, get_section_anchor, output_object_block)
17744 (output_object_block_htab, output_object_blocks): New functions.
17745 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17746 (TARGET_ASM_OUT): Include it.
17747 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17748 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17749 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17750 (TARGET_INITIALIZER): Include them.
17751 * rtl.c (rtl_check_failed_block_symbol): New function.
17752 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17753 (block_symbol, object_block): New structures.
17754 (rtx_def): Add a block_symbol field to the union.
17755 (BLOCK_SYMBOL_CHECK): New macro.
17756 (rtl_check_failed_block_symbol): Declare.
17757 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17758 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17759 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17760 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17761 * output.h (output_section_symbols): Declare.
17762 (object_block): Name structure.
17763 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17764 (default_use_anchors_for_symbol_p): Declare.
17765 * Makefile.in (RTL_BASE_H): Add vec.h.
17766 (explow.o): Depend on output.h.
17767 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17768 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17769 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17770 (rs6000_use_blocks_for_constant_p): New function.
17772 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17774 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17776 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17779 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17782 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17784 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17788 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17790 PR middle-end/26334
17791 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17792 instead of DECL_REGISTER.
17794 2006-02-18 Olivier Hainque <hainque@adacore.com>
17797 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17799 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17802 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17803 * opth-gen.awk: Handle Var and InverseMask together.
17804 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17805 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17806 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17807 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17809 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17810 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17811 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17812 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17813 LINUX_DYNAMIC_LINKER): Define.
17814 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17815 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17817 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17818 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17819 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17820 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17821 (TARGET_C99_FUNCTIONS): Don't define.
17822 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17823 GLIBC_DYNAMIC_LINKER.
17824 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17825 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17826 GLIBC_DYNAMIC_LINKER64): Define.
17827 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17828 LINUX_DYNAMIC_LINKER64.
17829 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17830 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17831 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17833 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17835 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17836 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17837 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17839 and LINUX_DYNAMIC_LINKER32.
17840 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17842 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17844 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17846 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17847 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17848 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17849 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17850 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17851 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17852 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17853 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17854 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17855 LINUX_DYNAMIC_LINKER): Define.
17856 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17857 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17858 GLIBC_DYNAMIC_LINKER64): Define.
17859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17860 LINUX_DYNAMIC_LINKER64.
17861 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17862 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17863 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17864 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17865 LINUX_DYNAMIC_LINKER): Define.
17866 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17867 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17868 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17869 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17870 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17871 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17872 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17873 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17874 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17875 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17876 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17877 * doc/invoke.texi (-muclibc): Remove caveat about supported
17880 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17882 * doc/cpp.texi (__TIMESTAMP__): Document.
17884 2006-02-17 Roger Sayle <roger@eyesopen.com>
17886 PR middle-end/25600
17887 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17888 C is one less than the width of X (and related transformations).
17889 * simplify-rtx.c (simplify_unary_operation_1): Transform
17890 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17891 depending on STORE_FLAG_VALUE, were C is one less then the
17894 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17896 Fix PR tree-optimization/26341
17897 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17898 about NAME_MEMORY_TAG's.
17900 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17903 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17904 with hardware float support, and software float support. Add fcpy
17905 alternative to hardware patterns. Add alternatives to copy between
17906 general and floating-point registers to the 32-bit pattern.
17907 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17908 secondary reload to load a QI or HI mode constant into a floating
17910 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17911 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17913 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17916 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17918 (load_macho_picbase_di): Likewise.
17920 2006-02-16 Jeff Law <law@redhat.com>
17922 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17923 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17924 (ssa_name_nonzero_p): Likewise.
17925 (get_value_range): Return NULL if VRP is not running.
17926 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17927 VRP routines do not discover a range.
17928 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17929 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17930 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17931 (tree_expr_nonnegative_p): Similarly.
17932 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17933 (restore_nonzero_vars_to_original_value): Remove.
17934 (unsafe_associative_fp_binop): Remove.
17935 (tree_ssa_dominator_optimize): Remove initialization and
17936 finalization of nonzero_vars and nonzero_vars_stack.
17937 (dom_opt_initialize_block): No longer push marker on
17938 nonzero_vars_stack.
17939 (dom_opt_finalize_block): No longer call
17940 restore_nonzero_vars_to_original_value.
17941 (record_equivalences_from_phis): No longer look for
17942 nonzero PHI arguments.
17943 (cprop_into_successor_phis): No longer propagate nonzero
17944 property into PHI arguments. Lose unused argument. Caller
17946 (record_equivalences_from_stmt): No longer record nonzero
17947 values for SSA_NAMEs.
17948 (lookup_avail_expr): No longer use nonzero_vars.
17950 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17951 for sizetype when sizetype is unsigned.
17953 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17955 PR rtl-optimization/25603
17956 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17957 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17958 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17959 with new meaning of SETS.
17961 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17966 * config/linux.opt: New file.
17967 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17968 LINUX_DYNAMIC_LINKER): Define.
17969 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17970 * config.gcc (*-*-linux*): Define extra_options.
17971 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17972 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17973 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17974 GLIBC_DYNAMIC_LINKER.
17975 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17976 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17977 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17978 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17979 * doc/invoke.texi (GNU/Linux Options): New section.
17981 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17983 * config/sparc/sparc.md (setjmp): Rewrite.
17984 (setjmp_32): Delete.
17985 (setjmp_64): Likewise.
17987 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17989 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17992 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17994 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17997 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17999 PR rtl-optimization/26296
18000 * Makefile.in (loop-invariant.c): Add except.h dependency.
18001 * loop-invariant.c: Include except.h.
18002 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18004 2005-02-16 Paul Brook <paul@codesourcery.com>
18006 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18009 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18011 PR rtl-optimization/25636
18012 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18013 when deciding whether an insn is an initializing insn.
18015 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18017 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18018 (tree_code_size): Ditto.
18019 * tree.h (struct tree_memory_tag): Remove parent_var.
18020 (struct tree_struct_field_tag): New.
18023 (union tree_node): Add sft member.
18024 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18026 (create_sft): Add size and offset argument, set SFT_OFFSET and
18028 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18029 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18030 * tree-flow-inline.h (get_subvar_at): Update for
18031 SFT_OFFSET/SFT_SIZE.
18032 (var_can_have_subvars): Ditto.
18033 (overlap_subvar): Ditto.
18034 * print-tree.c (print_node): Print out interesting things for
18036 * tree-flow.h (struct subvar): Remove offset and size members.
18037 * tree-ssa-operands.c (get_expr_operands): Update for
18038 get_indirect_ref_operands changes.
18039 (get_indirect_ref_operands): Call add_virtual_operand instead of
18040 add_stmt_operand. Only recurse on base var if requested.
18041 (access_can_touch_variable): New function.
18042 (add_stmt_operand): Split virtual operand handling into ...
18043 (add_virtual_operand): Here. Add offset, size, and for_clobber
18044 arguments. Prune alias sets.
18045 (add_call_clobber_ops): Call add_virtual_operand.
18047 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18049 PR middle-end/26300
18050 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18052 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18053 than TREE_CODE as index into omp_clause_num_ops array.
18055 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18057 PR rtl-optimization/26184
18058 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18060 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18061 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18062 must_precede, must_follow and tobe_scheduled.
18065 * opts.c (common_handle_option): Free new_option pointer.
18066 * df-core.c (df_analyze): Free postorder pointer.
18068 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18070 * Makefile.in: Fix the examples about the use of stamps
18072 2006-02-15 Michael Matz <matz@suse.de>
18074 PR middle-end/22275
18076 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18077 influenced by maximum_field_alignment or DECL_PACKED.
18078 (update_alignment_for_field): Ditto.
18079 (place_field): Ditto.
18080 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18083 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18085 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18086 (debug_flow_info): Pass it.
18087 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18088 * bb-reorder.c (reorder_basic_blocks): Likewise.
18089 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18090 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18091 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18092 * gcse.c (gcse_main, bypass_jumps): Likewise.
18093 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18094 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18095 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18096 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18097 * rtl.h (dump_flow_info): Adjust prototype.
18098 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18099 * var-tracking.c (variable_tracking_main): Likewise.
18100 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18101 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18104 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18106 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18109 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18111 PR tree-optimization/26209
18112 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18113 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18115 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18117 2006-02-14 Roger Sayle <roger@eyesopen.com>
18119 PR middle-end/23670
18120 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18121 (X,Y) and the corresponding symmetry related transformations.
18122 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18123 (X,Y) and its symmetry related transformations.
18125 2006-02-14 Roger Sayle <roger@eyesopen.com>
18127 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18130 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18132 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18134 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18137 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18138 support COMDAT group.
18139 * configure: Regenerate.
18141 2006-02-14 Roger Sayle <roger@eyesopen.com>
18143 PR middle-end/26279
18144 PR middle-end/26280
18145 PR middle-end/26283
18146 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18148 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18150 Fix PR tree-optimization/26260
18152 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18154 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18155 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18156 * tree-ssa-structalias.c (create_variable_info_for): Use
18157 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18159 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18161 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18163 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18164 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18165 of the ending condition.
18166 * tree-ssa-loop-manip.c: Include params.h.
18167 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18168 tree_unroll_loop): New functions.
18169 * tree-pass.h (pass_loop_prefetch): Declare.
18170 * loop.c (rest_of_handle_loop_optimize): Test for
18171 -fprefetch-loop-arrays-rtl.
18172 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18173 * timevar.def (TV_TREE_PREFETCH): New timevar.
18174 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18175 pass_loop_prefetch): New.
18176 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18177 (cleanup_tree_cfg_loop): Call scev_reset.
18178 * common.opt (fprefetch-loop-arrays-rtl): Add.
18179 * tree-ssa-loop-prefetch.c: New file.
18180 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18181 (new_temp_expr_table): Initialize expr_vars.
18182 (free_temp_expr_table): Cleanup expr_vars.
18183 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18184 expressions from being merged into one.
18185 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18186 (struct tree_niter_desc): Add control, bound and cmp fields.
18187 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18189 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18190 (tree-cfgcleanup.o): Add SCEV_H dependency.
18191 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18192 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18194 2006-02-14 Richard Guenther <rguenther@suse.de>
18196 PR tree-optimization/26258
18197 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18198 in PHI argument processing.
18200 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18202 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18203 new expression in the requested machine mode.
18205 2006-02-13 Roger Sayle <roger@eyesopen.com>
18207 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18208 directly, instead let do_compare_rtx_and_jump handle this for us.
18209 * expr.c (expand_expr_real_1): Likewise.
18210 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18211 before do_jump_by_parts_greater.
18212 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18213 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18215 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18217 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18219 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18221 PR rtl-optimization/26235
18222 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18223 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18226 2006-02-13 Jeff Law <law@redhat.com>
18228 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18231 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18233 PR middle-end/26092
18234 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18235 twice if decl is a builtin. When trying again, call get_callee_fndecl
18236 first to verify it is still a builtin.
18238 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18240 * dwarf2out.c (base_type_die): Don't add AT_name here.
18241 (subrange_type_die): Don't add AT_name here.
18242 (modified_type_die): Rearrange code flow. Do add AT_name here.
18244 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18246 PR rtl-optimization/26247
18247 PR rtl-optimization/26248
18248 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18250 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18252 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18253 * config/fixtfdi.c: Likewise.
18254 * config/fixunstfdi.c: Likewise.
18255 * config/floatditf.c: Likewise.
18257 2006-02-13 Roger Sayle <roger@eyesopen.com>
18259 PR middle-end/24427
18260 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18261 into (X,C2) if C1 is a subset of the bits of C2. Transform
18262 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18264 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18266 2006-02-13 Josh Conner <jconner@apple.com>
18269 * varasm.c (function_section): Check for section name before
18270 calling select_section on targets that define
18271 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18272 unlikely_text_section instead of hot_function_section if
18273 first_function_block_is_cold.
18275 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18277 PR middle-end/25335
18278 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18280 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18282 PR rtl-optimization/26222
18283 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18284 after tree->rtl expansion.
18285 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18286 before passing it to emit_move_insn.
18288 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18290 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18292 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18293 Clarify documentation.
18294 * c-common.h (warn_write_strings): Remove.
18295 * c-common.c (warn_write_strings): Likewise.
18296 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18299 2006-02-12 Roger Sayle <roger@eyesopen.com>
18301 PR middle-end/25724
18302 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18303 (do_jump_parts_zero_rtx): New function renamed from
18304 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18305 (do_jump_parts_equality_rtx): New function split out from
18306 do_jump_parts_equality. Old implementation renamed as above.
18307 Call do_jump_parts_zero_rtx if either operand is zero.
18308 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18309 do all of the heavy lifting.
18310 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18311 calling either do_jump_by_parts_greater_rtx or
18312 do_jump_by_parts_equality_rtx.
18313 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18314 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18315 moved to do_compare_rtx_and_jump, call it directly.
18316 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18317 mode argument. Call do_compare_rtx_and_jump.
18318 (emit_case_nodes): Update calls to do_jump_if_equal.
18320 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18322 PR rtl-optimization/26225
18323 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18325 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18327 PR rtl-optimization/26232
18328 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18330 2006-02-11 Jason Merrill <jason@redhat.com>
18333 * tree-inline.c (declare_return_variable): Just don't use the
18334 modify target if it's a gimple complex reg and the return slot
18337 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18339 * doc/contrib.texi: Update my entry.
18341 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18343 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18345 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18347 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18350 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18352 * doc/invoke.texi (-floop-optimize2): Removed.
18353 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18354 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18355 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18356 * common.opt (floop-optimize2): Removed.
18357 (fmove-loop-invariants): Enabled by default.
18359 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18361 * tree-if-conv.c (combine_blocks): Free the result of
18362 get_loop_exit_edges.
18364 2006-02-10 Jeff Law <law@redhat.com>
18366 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18368 PR tree-optimization/26213
18369 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18370 loop trying to follow SSA_NAME_VALUE chains.
18372 2006-02-10 Richard Guenther <rguenther@suse.de>
18374 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18375 deal with structures that end in implicitly variable sized arrays.
18377 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18379 PR rtl-optimization/24762
18380 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18383 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18385 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18386 (struct ivopts_data): Add regs_used field.
18387 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18388 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18389 instead of loop_data->regs_used;
18390 (free_loop_data): Do not free aux fields for loops.
18391 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18392 and tree_ssa_iv_optimize_finalize.
18394 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18396 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18398 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18401 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18402 computing the effective result type.
18404 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18406 PR inline-asm/16194
18407 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18408 (tree_overlaps_hard_reg_set): Declare.
18409 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18410 type and signature to match function type expected by walk_tree.
18411 (tree_overlaps_hard_reg_set): New function.
18412 (decl_conflicts_with_clobbers_p): Rename to:
18413 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18414 Use tree_overlaps_hard_reg_set. Changed caller.
18415 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18416 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18417 * cris.c (cris_md_asm_clobbers): Likewise.
18419 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18421 * reload1.c (emit_input_reload_insns): Delete code that tries to
18422 inherit using find_equiv_reg.
18424 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18426 * c-common.h (flag_const_strings): Don't declare.
18427 * c-common.c (flag_const_strings): Remove.
18428 * c.opt (fconst_strings): Remove.
18429 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18430 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18431 (c_common_init_options): Don't set flag_const_strings.
18432 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18434 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18436 * arm.md (tlobits_cbranch): New pattern.
18437 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18438 testing a single bit.
18440 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18443 * tree-ssa-pre.c (create_component_ref_by_pieces):
18444 Handle RETURN_DECL like VAR_DECL.
18446 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18448 PR middle-end/26134
18449 * fold-const.c (fold_indirect_ref_1): Fold
18450 "*(foo *)&complexfoo" to "__real__ complexfoo"
18451 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18453 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18455 * tree-flow-inline.h (var_can_have_subvars):
18456 Volatile variables should not have subvariables.
18458 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18461 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18462 multiplying unsigned values.
18465 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18467 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18469 2006-02-08 Jason Merrill <jason@redhat.com>
18472 * tree.def: Elaborate on difference from MODIFY_EXPR.
18473 * doc/c-tree.texi (INIT_EXPR): Likewise.
18474 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18475 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18476 (gimplify_target_expr): Likewise.
18477 (gimplify_cond_expr): Remove target handling.
18478 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18479 (gimplify_expr): Clobber it here.
18480 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18481 Do return slot optimization if we have an INIT_EXPR.
18484 * tree-inline.c (declare_return_variable): Also clear
18485 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18488 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18490 PR middle-end/22439
18491 * gimplify.c (gimplify_one_sizepos): Fix typo.
18493 2006-02-08 Jeff Law <law@redhat.com>
18495 PR tree-optimization/21417
18496 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18497 across a backedge if the control statement at the end of the
18498 block is data dependent on other statements in the same block.
18499 (record_temporary_equivalences_from_stmts): Remove over-conservative
18500 test for threading across backedges.
18502 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18503 control statement, handle all three special cases in the same
18504 manner as they all have the same desired solution. No longer
18505 special case edge flag updating when the post dominator is
18508 2006-02-08 Roger Sayle <roger@eyesopen.com>
18510 * tree.def (CHAR_TYPE): Remove.
18511 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18512 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18513 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18514 (gen_string_type_die): Delete unreachable function.
18516 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18517 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18518 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18519 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18520 * builtins.c (type_to_class): Likewise.
18521 * fold-const.c (fold_convert, build_range_check,
18522 merge_ranges): Likewise.
18523 * expr.c (count_type_elements): Likewise.
18524 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18525 * stor-layout.c (layout_type): Likewise.
18526 * ipa-type-escape.c (type_to_consider): Likewise.
18527 * gimplify.c (omp_firstprivatize_type_sizes,
18528 gimplify_type_sizes): Likewise.
18529 * explow.c (promote_mode): Likewise.
18530 * tree-sra.c (is_sra_scalar_type): Likewise.
18531 * varasm.c (output_constant): Likewise.
18532 * tree-inline.c (remap_type_1): Likewise.
18533 * convert.c (convert_to_pointer, convert_to_real,
18534 convert_to_integer, convert_to_complex): Likewise.
18536 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18538 * df-scan.c (df_def_record_1): A set destination may
18539 be a parallel regardless of mode.
18541 2006-02-08 Roger Sayle <roger@eyesopen.com>
18544 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18545 * config/mips/_tilib.c: Remove.
18546 * config/fixtfdi.c: New libgcc source file.
18547 * config/fixunstfdi.c: New source file.
18548 * config/floatditf.c: New source file.
18549 * config/floatunditf.c: New souce file.
18550 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18551 files above instead of config/mips/_tilib.c.
18552 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18554 2006-02-08 Jeff Law <law@redhat.com>
18556 PR tree-optimization/26169
18557 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18560 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18562 * df.h (DF_REG_SIZE): Return the length of the initialized
18565 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18567 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18568 __muldf3): Return a correctly signed zero.
18570 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18572 * passes.c (register_one_dump_file): Accept the current properties
18573 instead of pass number. Adjust call to dump_register. Remove
18575 (register_dump_files): Now a wrapper around...
18576 (register_dump_files_1): ... this one. Do not modify the pass
18578 (next_pass_1): Cosmetic fix.
18579 (execute_todo): Keep second parameter only. Use curr_properties
18580 instead of fetching it from the pass structure. Check and set
18582 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18583 instead of fetching it from the pass structure. Fix calls to
18584 execute_todo. Update curr_properties and initialize .vcg RTL dump
18585 after running the pass. Reset last_verified.
18586 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18588 (FIRST_AUTO_NUMBERED_DUMP): New.
18589 (dump_register): Remove "num" parameter, assign it within the
18591 (get_dump_file_name): Modify template for dumps.
18592 * tree-dump.h (dump_register): Adjust prototype.
18593 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18594 (PROP_trees): Add PROP_gimple_lomp.
18595 (TODO_set_props): New.
18596 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18597 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18598 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18600 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18602 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18603 (sparc64-*-linux*): Likewise.
18604 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18605 * config/sparc/t-linux: New file.
18606 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18607 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18608 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18609 -m32 -mlong-double-128.
18611 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18612 * config/alpha/t-linux: New file.
18613 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18615 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18616 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18617 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18618 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18619 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18620 (CPP_ARCH32_SPEC): Remove.
18622 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18624 PR tree-optimization/26145
18625 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18628 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18631 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18632 >= 240000 when generating code for SOM runtime.
18633 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18634 to $$dyncall when generating code for SOM runtime..
18636 2006-02-07 Dirk Mueller <dmueller@suse.com>
18639 * doc/invoke.texi (-Wsequence-point): Update documentation
18640 that -Wsequence-point is implemented for C++ as well.
18642 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18644 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18645 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18646 (LIB_SPEC): Likewise.
18647 * doc/invoke.texi (SPARC options): Document -pthread.
18649 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18651 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18654 2006-02-07 Roger Sayle <roger@eyesopen.com>
18656 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18657 Correct comment describing BOOLEAN_TYPE.
18659 2006-02-07 Dirk Mueller <dmueller@suse.com>
18661 * c.opt: C++ frontend supports -Wdiv-by-zero.
18662 * c-opts.c (c_common_handle_option): Remove dead case.
18664 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18666 * configure.ac (TLS assembler check): Do not enable TLS by
18667 default on SPARC/Solaris before version 10.
18668 * configure: Regenerate.
18670 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18672 * doc/invoke.texi (xl-compat): Document conversion and support
18675 2006-02-07 Jeff Law <law@redhat.com>
18677 * tree-vrp.c (find_conditional_asserts): Update comments.
18678 (simplify_stmt_for_jump_threading): New.
18679 (identify_jump_threads, finalize_jump_threads): New.
18680 (vrp_finalize): Call identify_jump_threads.
18681 (execute_vrp): Call finalize_jump_threads.
18682 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18683 (vrp_element, vrp_data, vrp_element_p): Remove.
18684 (vrp_hash_elt, vrp_variables_stack): Remove.
18685 (vrp_hash, vrp_eq, record_range): Remove.
18686 (simplify_cond_and_lookup_avail_expr): Remove.
18687 (extract_range_from_cond): Remove.
18688 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18689 (simplify_stmt_for_jump_threading): New.
18690 (dom_thread_across_edge): New wrapper.
18691 (tree_ssa_dominator_optimize): No longer initialize or
18692 finalize any of the VRP datastructures. Remove iteration
18693 step and simplify as a result of removal of iteration step.
18694 (pass_dominator): Perform a cfg cleanup after DOM.
18695 (dom_opt_finalize_block): Use the new common routines
18696 for threading jumps. Simplify stack management slightly.
18697 No longer need to unwind VRP state.
18698 (record_equivalences_from_incoming_edge): No longer record
18700 (eliminate_redundant_computations): No longer call
18701 simplify_cond_and_lookup_avail_expr.
18702 * tree-flow.h (potentially_threadable_block): Prototype.
18703 (thread_across_edge): Likewise.
18704 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18705 (tree-ssa-threadedge.o): Add dependencies.
18706 * tree-ssa-threadedge.c: New file.
18707 * passes.c (init_optimization_passes): Merge PHIs before
18708 calling VRP. Run VRP again late in the SSA optimization pipeline.
18710 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18712 * df-core.c (df_set_blocks): Do not dereference function pointers.
18713 (df_finish1): Likewise.
18714 (df_hybrid_search_forward): Likewise.
18715 (df_hybrid_search_backward): Likewise.
18716 (df_iterative_dataflow): Likewise.
18717 (df_analyze_problem): Likewise.
18718 (df_compact_blocks): Likewise.
18719 (df_dump): Likewise.
18720 * df-scan.c (df_rescan_blocks): Likewise.
18721 (df_record_entry_block_defs): Likewise.
18723 * genconditions.c (write_conditions): Guard the definition of
18724 'insn_conditions' with the check on GCC version.
18725 (write_writer): Guard the traversal 'insn_conditions' with
18726 the check on GCC version.
18728 2006-02-07 Richard Guenther <rguenther@suse.de>
18732 2006-01-30 Richard Guenther <rguenther@suse.de>
18734 * gimplify.c (gimplify_target_expr): Handle easy cases
18735 without creating a temporary.
18737 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18739 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18740 use of float in probability computations. Use edge probabilities
18741 in place of statically computed probabilities.
18742 (min_spec_prob): New static variable.
18743 (schedule_insns): Initialize it.
18744 (GET_SRC_PROB): Removed.
18745 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18747 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18750 * config/ia64/unwind-ia64.c: Revert last change.
18751 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18752 (INCOMING_FRAME_SP_OFFSET): Define.
18754 2006-02-06 Roger Sayle <roger@eyesopen.com>
18756 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18758 2006-02-07 Ben Elliston <bje@au.ibm.com>
18760 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18761 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18762 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18763 (ix86_return_in_memory): Handle TDmode.
18764 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18765 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18767 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18769 * reorg.c (dbr_schedule): Use dump_file instead of file.
18771 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18774 * config/ia64/predicates.md (extr_len_operand): New predicate.
18775 * config/ia64/ia64.md (extv): Tighten constraints.
18777 (*tbit_and_2): Ditto.
18778 (*tbit_and_3): Ditto.
18779 (*tbit_or_2): Ditto.
18780 (*tbit_or_3): Ditto.
18781 (*bit_zero): Ditto.
18784 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18787 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18789 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18791 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18792 loop_optimizer_init and loop_optimizer_finalize
18793 * tree-ssa-sink.c (execute_sink_code): Ditto.
18794 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18795 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18796 tree_ssa_loop_done): Ditto.
18797 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18798 * sched-ebb.c: Include output.h.
18799 (schedule_ebbs): Do not use dump argument.
18800 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18801 * loop.c (loop_dump_stream): Removed.
18802 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18804 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18805 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18806 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18807 loop_iterations, strength_reduce, record_biv, record_giv,
18808 final_giv_value, check_final_value, check_ext_dependent_givs,
18809 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18810 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18811 dump_file instead of loop_dump_stream.
18812 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18813 argument dump_file.
18814 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18816 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18817 * haifa-sched.c: Include output.h
18818 (schedule_insns, sched_init): Do not use dump argument.
18819 * mode-switching.c (optimize_mode_switching): Ditto.
18820 * modulo-sched.c (stats_file): Removed.
18821 (print_node_sched_params): Do not call argument dump_file.
18822 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18823 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18825 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18827 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18828 rtl_loop_init, rtl_loop_done): Ditto.
18829 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18830 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18832 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18833 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18834 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18835 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18836 * emit-rtl.c (renumber_insns): Ditto.
18837 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18838 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18839 * regclass.c (regclass): Ditto.
18840 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18841 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18842 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18843 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18845 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18846 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18848 * gcse.c (gcse_file, debug_stderr): Removed.
18849 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18850 rest_of_handle_gcse): Do not use dump argument.
18851 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18852 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18853 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18854 compute_code_hoist_vbeinout, compute_code_hoist_data,
18855 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18856 compute_store_table, build_store_vectors, insert_insn_start_bb,
18857 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18858 store_motion): Use dump_file instead of gcse_file.
18859 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18860 * profile.c (profile_dump_file): Removed.
18861 (branch_prob): Use dump_file instead of profile_dump_file.
18862 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18864 * tree-ssa-copy.c (dump_copy_of): Ditto.
18865 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18866 dump file to life_analysis.
18867 * bt-load.c (branch_target_load_optimize): Ditto.
18868 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18870 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18871 regclass, dbr_schedule): Declaration changed.
18872 * sched-int.h (sched_init): Declaration changed.
18873 * tree-profile.c (tree_profile_dump_file): Removed.
18874 (tree_profile_hooks): Removed profile_dump_file hook.
18875 * rtl-profile (rtl_profile_dump_file): Removed.
18876 (rtl_profile_hooks): emoved profile_dump_file hook.
18877 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18879 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18880 * tree-cfg.c (build_tree_cfg): Ditto.
18881 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18882 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18883 Declaration changed.
18884 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18885 life_analysis and schedule_insns.
18886 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18888 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18890 * config/mips/mips.c (mips_reorg): Ditto.
18891 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18894 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18896 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18897 (s390_mangle_fundamental_type): New.
18898 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18901 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18902 (alpha_mangle_fundamental_type): New.
18903 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18906 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18908 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18910 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18911 (sparc_mangle_fundamental_type): New.
18913 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18915 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18916 (s390x-*-linux*): Likewise.
18917 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18918 * config/s390/t-linux: New file.
18920 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18922 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18923 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18925 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18927 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18928 (ANTIC_SAFE_LOADS): New macro.
18929 (find_or_generate_expression): Add prototype.
18930 (set_contains_value): Allow null set for sake of not always having
18931 to allocate ANTIC_SAFE_LOADS.
18932 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18933 Allow COMPONENT_REF too.
18934 (valid_in_set): Allow COMPONENT_REF.
18935 Check ANTIC_SAFE_LOADS too.
18936 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18937 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18939 (can_PRE_operation): Add COMPONENT_REF.
18940 (create_component_ref_by_pieces): New function.
18941 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18942 (insert_aux): Move AGGREGATE_TYPE_P check here.
18943 (compute_avail): Set bb local stmt uids.
18944 (pass_pre): Use TODO_update_ssa_only_virtuals.
18946 2006-02-06 Ben Elliston <bje@au.ibm.com>
18948 * configure.ac: Unconditionally disable decimal float by default.
18949 * configure: Regenerate.
18951 2006-02-06 Ben Elliston <bje@au.ibm.com>
18953 * read-rtl.c (read_name): Terminate reading on EOF.
18955 2006-02-06 Ben Elliston <bje@au.ibm.com>
18957 * dfp.c (decimal_real_arithmetic): Change second argument type
18958 from int to enum tree_code. Do not always return true, but now
18959 return result of any call to decimal_do helper functions.
18960 * dfp.h (decimal_real_arithmetic): Update prototype.
18962 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18964 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18966 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18969 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18972 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18974 * tree-vrp.c (cfg_loops): Removed.
18975 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18976 Use current_loops instead of cfg_loops. Pass flags to
18977 loop_optimizer_init.
18978 * cfgloopmanip.c (fix_loop_structure): Update only available
18980 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18981 loop_optimizer_init.
18982 * modulo-sched.c (build_loops_structure): Removed.
18983 (sms_schedule): Use loop_optimizer_init.
18984 * loop-init.c (loop_optimizer_init): Use flags to determine
18985 which properties of loops to prepare.
18986 (rtl_loop_init): Pass flags to loop_optimizer_init.
18987 * tree-ssa-sink.c (execute_sink_code): Ditto.
18988 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18989 * tree-ssa-pre.c (init_pre): Ditto.
18990 * cfgloop.h (LOOPS_NORMAL): New.
18991 (loop_optimizer_init): Declaration changed.
18993 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18995 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18996 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18998 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19000 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19002 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19003 * pa/t-pa64: Delete quadlib.c rule.
19004 * pa/x-ada: Revert last change.
19005 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19007 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19009 PR rtl-optimization/26087
19010 * rtlanal.c (canonicalize_condition): Do not cross basic block
19013 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19016 * config/ia64/ia64.c: Include debug.h.
19017 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19018 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19019 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19020 (process_epilogue, process_set, process_for_unwind_directive):
19021 Output unwind info only if requested. Add CFA info if requested.
19022 Add new arguments as needed. Adjust callers.
19023 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19025 (DWARF2_FRAME_INFO): Define to zero.
19026 * config/ia64/unwind-ia64.c: Remove code that compensated for
19027 the CFA offset error fixed above.
19028 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19029 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19030 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19031 -funwind-tables and -fexceptions to enable frame info.
19032 (dwarf2out_frame_init): Define initial CFA even if
19033 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19034 DWARF2_UNWIND_INFO is nonzero, not just defined.
19035 (dwarf2out_frame_finish): Output non-EH call frame info only
19036 if DWARF2_FRAME_INFO is nonzero.
19037 (convert_cfa_to_loc_list,
19038 compute_frame_pointer_to_cfa_displacement): Define even if
19039 unwind info is not supported.
19040 (gen_subprogram_die): Use the above unconditionally. Remove
19041 legacy alternate code.
19042 * toplev.c (compile_file): Compile in call to
19043 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19044 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19046 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19047 Jakub Jelinek <jakub@redhat.com>
19049 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19050 IBM extended float format long double as "g" on powerpc*-linux.
19052 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19055 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19056 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19058 2006-02-03 Jason Merrill <jason@redhat.com>
19061 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19063 PR middle-end/25977
19064 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19065 on the return slot if it's an NRV.
19067 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19069 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19070 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19071 rewrite_use): Do not handle USE_OUTER.
19072 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19073 add_iv_outer_candidates, may_replace_final_value,
19074 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19075 (find_interesting_uses_op): Functionality of
19076 find_interesting_uses_outer_or_nonlin moved here.
19077 (find_interesting_uses_outside): Use find_interesting_uses_op.
19079 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19082 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19084 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19085 Ulrich Weigand <uweigand@de.ibm.com>
19088 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19089 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19090 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19091 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19093 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19094 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19095 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19096 Define secondary reloads for TFmode moves.
19097 (constant_modes): Add TFmode.
19098 (NR_C_MODES): Set to 8.
19099 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19101 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19102 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19103 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19104 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19105 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19106 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19107 (FPR mode macro): Add TFmode.
19108 (DSF mode macro): New.
19109 (<de>, <dee> mode attributes): Removed.
19110 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19111 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19112 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19113 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19114 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19115 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19116 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19117 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19118 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19119 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19120 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19121 "*negabs<mode>2", "sqrt<mode>2"):
19122 Changed <de> to <xde>. R constraint replaced by <Rf>.
19123 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19125 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19126 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19127 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19129 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19130 "extenddftf2", "extendsftf2"): New expanders.
19131 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19132 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19133 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19134 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19136 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19137 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19138 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19139 __floatditf): Add a GCC_4.1.0 symbol version tag.
19140 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19143 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19146 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19147 Use targetm.binds_local_p instead of TREE_PUBLIC.
19149 2006-02-02 Roger Sayle <roger@eyesopen.com>
19151 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19152 on INTEGER_TYPEs to indicate that it denotes a character type.
19153 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19154 signed_char_type_node, unsigned_char_type_node and char_type_node.
19155 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19156 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19157 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19159 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19160 Daniel Berlin <dberlin@dberlin.org>
19162 * tree-tailcall.c (arg_needs_copy_p): New function.
19163 (eliminate_tail_call): Use arg_needs_copy_p.
19164 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19165 (add_virtual_phis): New function.
19167 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19169 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19170 #ignore instead of #scratch for %g7 .register directive.
19172 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19174 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19177 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19179 * flow.c (calculate_global_regs_live): Assert that there aren't any
19182 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19184 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19185 what its name says.
19186 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19187 bsi_after_labels iterator.
19188 * tree-if-conv.c (find_phi_replacement_condition,
19189 replace_phi_with_cond_modify_expr): Likewise.
19190 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19191 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19193 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19195 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19197 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19200 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19201 array after growing it.
19203 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19205 PR middle-end/24901
19206 * fold-const.c (fold_checksum_tree): Change type of buf.
19208 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19210 * reload.c (push_secondary_reload): Initialize t_icode.
19212 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19214 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19215 -msoft-float -mlong-double-128 only issue a warning, but don't
19216 swich to DFmode long double.
19218 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19220 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19221 has a constant equivalent, iterate over equivalents for arg0,
19222 calling simplify_relational_operation and if there's a result
19223 cheaper than X, apply fold_rtx and return the result.
19225 2006-02-01 Jan Hubicka <jh@suse.cz>
19227 * opts.c (no_unit_at_a_time_default): New global variable.
19228 (decode_options): Use it.
19229 * opts.h (no_unit_at_a_time_default): Declare.
19231 2006-02-01 Paul Brook <paul@codesourcery.com>
19233 * function.c (assign_parm_setup_reg): Use function argument promotion
19235 * expr.c (expand_expr_real_1): Use function argument promotion rules
19238 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19240 * gcc.c (process_command): Change j to 'unsigned int'.
19242 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19244 PR middle-end/26001
19245 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19246 Use the corrected index for the character
19247 out of the string constant.
19249 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19251 * mode-switching.c (optimize_mode_switching): Fix size
19252 allocated for bb_info[n_entities].
19254 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19256 * gcc.c (main): Correct type that is allocated for
19257 explicit_link_files.
19259 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19261 * config/s390/s390.c (init_alignment_context): Set
19262 ALIAS_SET_MEMORY_BARRIER on the MEM.
19263 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19265 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19267 PR middle-end/25933
19268 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19270 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19273 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19275 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19276 * regrename.c: Ditto.
19277 * tree-ssa-loop-im.c: Ditto.
19278 * tree-dump.c: Ditto.
19279 * tree-complex.c: Ditto.
19280 * genrecog.c: Ditto.
19281 * tree-ssa-threadupdate.c: Ditto.
19283 * java/class.c: Ditto.
19284 * java/jcf-parse.c: Ditto.
19285 * java/resource.c: Ditto.
19286 * java/except.c: Ditto.
19287 * java/jvspec.c: Ditto.
19288 * java/jcf-write.c: Ditto.
19289 * java/jcf-path.c: Ditto.
19290 * java/gjavah.c: Ditto.
19291 * java/zextract.c: Ditto.
19292 * java/jcf-io.c: Ditto.
19293 * java/jcf.h: Ditto.
19294 * java/buffer.c: Ditto.
19295 * java/lang.c: Ditto.
19296 * java/parse-scan.y: Ditto.
19297 * java/lex.c: Ditto.
19298 * java/lex.h: Ditto.
19299 * cfgloopmanip.c: Ditto.
19300 * postreload-gcse.c: Ditto.
19301 * tree-ssa-loop-manip.c: Ditto.
19302 * postreload.c: Ditto.
19303 * tree-ssa-loop-ch.c: Ditto.
19306 * cppspec.c: Ditto.
19307 * diagnostic.c: Ditto.
19309 * genoutput.c: Ditto.
19311 * cfghooks.c: Ditto.
19312 * cfgloopanal.c: Ditto.
19313 * objc/objc-act.c: Ditto.
19315 * genextract.c: Ditto.
19316 * genautomata.c: Ditto.
19317 * pretty-print.c: Ditto.
19318 * genemit.c: Ditto.
19319 * cgraphunit.c: Ditto.
19321 * df-scan.c: Ditto.
19322 * haifa-sched.c: Ditto.
19323 * dominance.c: Ditto.
19325 * tree-ssa-loop-ivopts.c: Ditto.
19326 * df-core.c: Ditto.
19327 * mode-switching.c: Ditto.
19328 * modulo-sched.c: Ditto.
19330 * ipa-pure-const.c: Ditto.
19332 * fix-header.c: Ditto.
19334 * tree-stdarg.c: Ditto.
19335 * ipa-utils.c: Ditto.
19336 * loop-init.c: Ditto.
19337 * ipa-inline.c: Ditto.
19338 * cfganal.c: Ditto.
19340 * alloc-pool.c: Ditto.
19341 * dwarf2out.c: Ditto.
19343 * genattrtab.c: Ditto.
19344 * tree-ssa-loop-ivcanon.c: Ditto.
19345 * predict.c: Ditto.
19346 * timevar.c: Ditto.
19348 * fortran/gfortranspec.c: Ditto.
19349 * regmove.c: Ditto.
19350 * local-alloc.c: Ditto.
19351 * langhooks.c: Ditto.
19352 * function.c: Ditto.
19353 * tree-vectorizer.c: Ditto.
19355 * ipa-type-escape.c: Ditto.
19357 * tree-if-conv.c: Ditto.
19358 * profile.c: Ditto.
19360 * tree-data-ref.c: Ditto.
19361 * loop-unroll.c: Ditto.
19362 * treelang/treetree.c: Ditto.
19364 * bt-load.c: Ditto.
19365 * ggc-common.c: Ditto.
19367 * coverage.c: Ditto.
19369 * tree-cfgcleanup.c: Ditto.
19370 * tree-ssa-pre.c: Ditto.
19371 * cfgcleanup.c: Ditto.
19372 * loop-invariant.c: Ditto.
19373 * loop-iv.c: Ditto.
19374 * ipa-prop.c: Ditto.
19375 * print-tree.c: Ditto.
19376 * conflict.c: Ditto.
19377 * ggc-page.c: Ditto.
19378 * sched-deps.c: Ditto.
19379 * regclass.c: Ditto.
19380 * tree-object-size.c: Ditto.
19381 * combine.c: Ditto.
19382 * bb-reorder.c: Ditto.
19383 * resource.c: Ditto.
19384 * var-tracking.c: Ditto.
19385 * cfgloop.c: Ditto.
19386 * df-problems.c: Ditto.
19387 * reg-stack.c: Ditto.
19389 * gccspec.c: Ditto.
19390 * sched-rgn.c: Ditto.
19391 * tree-ssa-structalias.c: Ditto.
19392 * tree-ssa-reassoc.c: Ditto.
19393 * config/darwin-c.c: Ditto.
19394 * config/darwin.c: Ditto.
19395 * config/arm/arm.c: Ditto.
19397 * collect2.c: Ditto.
19398 * reload1.c: Ditto.
19400 2006-01-31 Nicolas Pitre <nico@cam.org>
19402 * arm.md (smaxsi3): Make aware of smax_m1.
19405 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19407 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19409 2006-01-31 Richard Guenther <rguenther@suse.de>
19411 * doc/invoke.texi (-msselibm): Document.
19412 * target.h (expand_library_builtin): New target hook.
19413 * builtins.c (expand_builtin): Use expand_library_builtin.
19414 (default_expand_library_builtin): New function.
19415 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19416 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19417 (link_gcc_math_spec): Declare.
19418 (static_specs): Add link_gcc_math_spec.
19419 * expr.h (default_expand_library_builtin): Declare.
19420 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19421 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19422 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19423 * config/i386/i386.opt (msselibm): New target option.
19424 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19425 (ix86_init_sse_abi_builtins): New function.
19426 (ix86_expand_library_builtin): Likewise.
19427 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19428 (override_options): Handle error conditions wrt -msselibm.
19429 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19430 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19431 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19434 2006-01-31 Richard Guenther <rguenther@suse.de>
19435 Paolo Bonzini <bonzini@gnu.org>
19437 * doc/install.texi (--disable-libgcc-math): Document.
19439 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19441 * expr.h (expand_normal): new inline function.
19442 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19443 * dojump.c: use it.
19444 * dwarf2out.c: use it.
19447 * expmed.c: use it.
19448 * except.c: use it.
19449 * config/sparc/sparc.c: use it.
19450 * config/i386/i386.c: use it.
19451 * config/rs6000/rs6000.c: use it.
19452 * config/arm/arm.c: use it.
19453 * config/mips/mips.c: use it.
19454 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19456 2006-01-30 Roger Sayle <roger@eyesopen.com>
19458 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19459 argv to the appropriate type.
19461 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19463 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19466 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19469 * config/s390/s390.c (struct machine_function): New flag
19470 decomposed_literal_pool_addresses_ok_p.
19471 (s390_reorg): Set it before final stage of literal pool transforms.
19472 (s390_decompose_address): Only accept displacements of the form
19473 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19475 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19477 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19478 the comparison routine return.
19480 2006-01-30 Michael Matz <matz@suse.de>
19482 * global.c (find_reg): Only evict for global regs.
19483 Take n_refs into account and dump more info.
19485 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19488 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19489 (pragma_trap, pragma_nosave_low_regs): Likewise.
19490 (current_function_anonymous_args): Likewise.
19491 (sh_deferred_function_attributes): New variable.
19492 (sh_deferred_function_attributes_tail): Likewise.
19493 (print_operand): For '@', look up trap_exit attribute.
19494 (calc_live_regs): Look up trapa_handler attribute. For trapa
19495 handlers, save/restore fpscr, but don't do any other
19496 interrupt-specific saves.
19497 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19498 Fix check for partially saved registers to check for SHmedia.
19499 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19500 (sh_output_function_epilogue): Don't clear any of the removed
19502 (sh_insert_attributes): Don't check pragma_interrupt.
19503 Insert deferred attributes. Check that interrupt attribute is
19504 present for other attributes that require its presence.
19505 (sh_attribute_table): Add new attributes trapa_handler and
19507 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19508 Don't check for pragma_interrupt. Don't store argument.
19509 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19510 (sh_deferred_function_attributes): Declare.
19511 (sh_deferred_function_attributes_tail): Likewise.
19512 * sh.md (sp_switch_1): Add operand. Change generator caller.
19513 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19514 (*return_i): Don't use when trap_exit attribute is in effect.
19515 (*return_trapa): New insn pattern.
19516 * sh-c.c: New file.
19517 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19518 setting c_target_objs and cxx_target_objs.
19519 * t-sh: Add rule for sh-c.o.
19521 2006-01-30 Richard Guenther <rguenther@suse.de>
19524 * gimplify.c (gimplify_target_expr): Handle easy cases
19525 without creating a temporary.
19527 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19529 * vec.h (safe_grow): Remove duplicated line.
19531 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19534 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19535 (expand_omp): ... here.
19536 (expand_omp_parallel): Only remove barriers for combined
19537 parallel+workshare constructs.
19539 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19543 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19544 * tree.c (build_qualified_type): Chain the new type to the original
19545 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19546 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19547 (build_pointer_type_for_mode): Only return unqualified types.
19548 (build_reference_type_for_mode): Likewise.
19550 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19552 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19553 * Makefile.in (CXX_COMPAT_WARN): Define.
19554 * configure: Regenerate.
19556 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19559 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19562 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19564 * toplev.c: Fix thinko.
19566 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19567 Marcin Dalecki <martin@dalecki.de>
19569 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19570 (push_srcloc): Use XNEW.
19571 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19573 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19575 * df-core.c (df_set_blocks): Deleted all variable.
19577 2006-01-28 Ian Lance Taylor <ian@airs.com>
19579 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19580 cgraph_output_pending_asms.
19582 2006-01-28 Zack Weinberg <zackw@panix.com>
19584 * c.opt: Add -W(no-)overlength-strings.
19585 * doc/invoke.texi: Document it.
19586 * c-opts.c (c_common_handle_option): -pedantic implies
19587 -Woverlength-strings, if not explicitly disabled already.
19588 (c_common_post_options): -Woverlength-strings defaults to off, and
19589 is always off for C++.
19590 * c-common.c (fix_string_type): Issue warning about strings longer
19591 than is portable only if warn_overlength_strings. Rearrange code
19592 a little for clarity.
19593 * configure.in: Check for -Wno-overlength-strings as well before
19594 enabling -pedantic in stage 1.
19595 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19596 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19598 * genconditions.c (write_header, write_one_condition)
19599 (write_conditions, write_writer): Consolidate very long strings
19600 that were broken up to fit in C89 portable limit. Don't use
19601 printf when fputs will do.
19603 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19605 * combine.c (simplify_comparison <AND>): Check
19606 TRULY_NOOP_TRUNCATION before start using a subreg.
19608 * config/mips/mips.md (*branch_zero<mode>,
19609 *branch_zero<mode>_inverted, *branch_equality<mode>,
19610 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19611 Remove mode check from comparisons.
19613 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19615 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19617 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19619 * expmed.c (const_mult_add_overflow_p): Remove.
19620 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19622 * recog.c (validate_replace_rtx_subexp): Remove.
19623 * recog.h: Remove the prototype for
19624 validate_replace_rtx_subexp.
19626 * integrate.h: Remove the prototype for
19627 copy_decl_for_inlining.
19628 * rtl.h: Remove the prototype for mark_constant_function.
19629 * tree-vectorizer.h: Remove the prototype for
19630 vect_strip_conversion.
19632 * modulo-sched.c (create_partial_schedule,
19633 free_partial_schedule, reset_partial_schedule): Make them
19636 * hooks.c (hook_bool_rtx_int_false): Remove.
19637 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19639 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19641 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19642 and -mlong-double-128 are incompatible.
19643 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19644 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19645 (TARGET_LIBGCC2_CFLAGS): Define.
19646 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19647 (TARGET_LIBGCC2_CFLAGS): Same.
19648 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19650 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19653 * c-typeck.c (build_binary_op): Perform implicit casts of
19654 operands before shortening them.
19656 * cfgloopmanip.c (split_loop_bb): Remove.
19657 * cfgloop.h: Remove the prototype for split_loop_bb.
19659 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19660 * cfgloop.h: Remove the prototype for
19661 flow_loop_outside_edge_p.
19663 * emit-rtl.c (init_virtual_regs): Make it static.
19664 * function.h: Remove the prototype for init_virtual_regs.
19666 * recog.c (peephole2_optimize): Make it static.
19667 * recog.h: Remove the prototype for peephole2_optimize.
19669 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19671 * df-scan.c (df_record_entry_block_defs): Check if
19672 INCOMING_RETURN_ADDR_RTX is defined.
19674 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19675 Kenneth Zadeck <zadeck@naturalbridge.com>
19677 PR rtl-optimization/24762
19678 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19679 * targhooks.c (hook_void_bitmap): New hook prototype.
19680 * targhoohs.h (hook_void_bitmap): Ditto.
19681 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19682 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19683 * target.h (live_on_entry): New function pointer.
19684 * df-scan.c (df_all_hard_regs): Removed.
19685 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19686 (df_scan_free_internal): Added df->entry_block_defs.
19687 (df_scan_alloc): Ditto.
19688 (df_scan_dump): Ditto.
19689 (df_uses_record): Plumbed flag field properly thru calls.
19690 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19691 This part fixes PR24762.
19692 (df_bb_refs_record): Added code to make the frame and arg
19693 pointers live in EH blocks.
19694 (df_refs_record): Added call to df_record_entry_block_defs.
19695 (df_record_entry_block_defs): New function.
19696 * df-core.c: Added comments to describe new artifical defs.
19697 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19698 (entry_block_defs): New field in struct df.
19699 (df_all_hard_regs): Deleted.
19700 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19701 * df-problems.c (df_ru_bb_local_compute_process_def):
19702 Added code to handle artifical defs in the entry to a function.
19703 (df_ru_bb_local_compute): Ditto.
19704 (df_rd_bb_local_compute_process_def): Ditto.
19705 (df_rd_bb_local_compute): Ditto.
19706 (df_lr_bb_local_compute): Ditto.
19707 (df_ur_bb_local_compute): Ditto.
19708 (df_urec_bb_local_compute): Ditto.
19709 (df_chain_create_bb): Ditto.
19710 (df_ur_local_finalize): Removed entry.
19711 (df_urec_init): Ditto.
19712 (df_urec_local_finalize): Ditto.
19713 (df_ri_bb_compute): Added detection of last use of pseudos.
19714 * Makefile.in (df-scan.o): Updated dependencies.
19715 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19716 * config/mips/mips.c (mips_set_live_on_entry): Added.
19717 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19719 * dce.c (marked_insn_p): Added code to handle artifical defs.
19721 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19723 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19725 (_mm_cvtsi128_si64): Likewise.
19726 (_mm_cvtsd_si64): Likewise.
19727 (_mm_cvttsd_si64): Likewise.
19728 (_mm_cvtsi64_sd): Likewise.
19729 (_mm_cvtsi64_si128): Likewise.
19730 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19731 (_mm_cvtsi64_m64): Likewise.
19732 (_m_to_int64): Likewise.
19733 (_mm_cvtm64_si64): Likewise.
19734 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19735 (_mm_cvttss_si64): Likewise.
19736 (_mm_cvtsi64_ss): Likewise.
19737 (_mm_cvtss_f32): Likewise.
19739 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19741 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19742 for pragma redefine_extname.
19744 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19747 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19748 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19749 -mno-minimal-toc to previous content.
19750 (bispecs): Remove goal.
19751 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19752 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19753 compatibility aliases on powerpc-*-*gnu*.
19754 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19755 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19756 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19757 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19758 (ldblspecs): New goal.
19759 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19760 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19762 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19763 L_sf_to_tf or L_df_to_tf is defined.
19765 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19766 Alan Modra <amodra@bigpond.net.au>
19769 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19770 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19771 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19772 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19773 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19774 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19775 (rs6000_override_options): Initialize rs6000_ieeequad.
19776 Initialize TFmode format to ibm_extended_format if not
19778 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19780 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19781 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19782 (function_arg_advance): IBM long double passed in two FPRs, not
19784 (function_arg): IBM long double passed in FPRs.
19785 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19786 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19787 Only multireg GPR aligned.
19788 (rs6000_init_libfuncs): Enable IBM long double functions if not
19790 (rs6000_generate_compare): Use IBM long double compare if not
19792 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19793 (TARGET_IEEEQUAD): Define.
19794 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19795 not TARGET_IEEEQUAD.
19796 * config/rs6000/rs6000.md: Enable TFmode patterns if
19798 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19799 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19800 and -mlong-double-128 are incompatible.
19801 * doc/invoke.texi (-mabi): Collect options together. Add
19802 ibmlongdouble and ieeelongdouble.
19804 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19806 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19808 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19809 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19810 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19811 * rtl.h (rtunion_def): Remove rt_ptr.
19813 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19814 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19815 * config/i386/winnt.c (i386_pe_mark_dllexport)
19816 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19818 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19820 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19822 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19826 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19827 pthread_key_delete. From John David Anglin. gthrw-ify
19828 pthread_getunique_np only if it it's not a macro. Delete
19830 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19831 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19832 __gthread_objc_condition_signal, __gthread_key_delete): Add
19833 "__attribute__ ((__unused__))" to unused arguments.
19834 (__gthread_recursive_mutex_init_function): Add missing return.
19835 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19836 gthr-posix95.h: Use macro-based approach for name redirection
19837 on targets missing weakref.
19839 2006-01-26 Zack Weinberg <zackw@panix.com>
19841 * genconditions.c (write_header): In generated code, #ifdef out
19842 all includes and fake declarations, except includes of bconfig.h
19843 and system.h, unless GCC_VERSION >= 3001. Do not include
19844 gensupport.h in any case.
19845 (write_conditions): Generate a definition of struct c_test. Add
19846 a comment to the generated #endif.
19847 (write_one_condition): Escape backslashes in string too.
19848 (write_writer): Generated code must escape backslashes and quote
19849 marks (but not newlines) in the strings it writes.
19850 * Makefile.in (build/gencondmd.o): Update dependencies.
19852 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19855 * Makefile.in (insn-automata.o): Add header file dependencies.
19856 * genautomata.c: Add includes.
19858 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19861 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19863 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19865 * configure.ac: Expect target tools paths to be passed from the toplevel
19866 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19868 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19870 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19873 * c.opt (Wpointer-sign): Init to -1.
19874 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19875 OPT_pedantic, to 0 otherwise.
19876 * doc/invoke.texi: Update.
19878 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19880 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19881 constants provided by 80387 instructions in the destination mode.
19883 2006-01-26 Richard Guenther <rguenther@suse.de>
19884 Andrew Pinski <pinskia@physics.uc.edu>
19887 partial PR tree-opt/17064
19888 * tree-ssa-structalias.c (intra_create_variable_infos):
19889 Create heap variables for incoming parameters if
19890 flag_argument_noalias > 1.
19891 (find_what_p_points_to): Look through default defs of
19894 2006-01-26 Jeff Law <law@redhat.com>
19897 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19898 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19899 within the VR_RANGE, use the VR_RANGE as the result, not the
19901 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19902 bounds for the type.
19904 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19906 * tree-ssa-alias.c (maybe_create_global_var): Change
19907 subvar walking to an assertion that we don't have subvar'd variables.
19909 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19912 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19913 Use a new variable, inner. PARM_DECLs are always non-weak.
19915 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19917 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19918 --disable-checking.
19920 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19922 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19924 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19926 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19927 (smax_insn, smin_insn, smax_0, smin_0): New.
19929 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19932 * config/cris/cris.c (cris_order_for_addsi3): New function.
19933 * config/cris/cris-protos.h: Prototype it.
19934 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19935 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19936 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19937 (split for "op.S1 [rx=rx+i],ry (swapped)")
19938 (split for "op(s|u).S1 [rx=rx+i],ry")
19939 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19940 Apply cris_order_for_addsi3 when generating addsi3 insns.
19942 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19944 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19945 (TREE_BLOCK): Add call to EXPR_CHECK.
19947 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19950 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19951 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19952 (dump_omp_clauses): ... here.
19953 (dump_generic_node): Handle OMP_CLAUSE.
19954 * tree.c (omp_clause_num_ops): New.
19955 (omp_clause_code_name): New.
19956 (tree_code_size): Handle OMP_CLAUSE.
19957 (tree_size): Likewise.
19958 (make_node): Document handling of OMP_CLAUSE.
19959 (tree_node_structure): Handle OMP_CLAUSE.
19960 (omp_clause_check_failed): New.
19961 (omp_clause_range_check_failed): New.
19962 (omp_clause_operand_check_failed): New.
19963 (build_omp_clause): New.
19964 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19965 * tree.h (enum omp_clause_code): Declare.
19966 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19967 (OMP_CLAUSE_RANGE_CHECK): Define.
19968 (OMP_CLAUSE_ELT_CHECK): Define.
19969 (omp_clause_check_failed): Declare.
19970 (omp_clause_operand_check_failed): Declare.
19971 (omp_clause_range_check_failed): Declare.
19972 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19973 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19974 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19975 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19976 (OMP_CLAUSE_IF_EXPR): Likewise.
19977 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19978 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19979 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19980 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19981 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19982 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19983 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19984 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19985 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19986 (OMP_CLAUSE_CODE): Define.
19987 (OMP_CLAUSE_SET_CODE): Define.
19988 (OMP_CLAUSE_CODE): Define.
19989 (OMP_CLAUSE_OPERAND): Define.
19990 (struct tree_omp_clause): Declare.
19991 (union tree_node): Add field 'omp_clause'.
19992 * treestruct.def (TS_OMP_CLAUSE): Define.
19993 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19994 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19995 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19996 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19997 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19998 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19999 (OMP_CLAUSE): Define.
20000 * print-tree.c (print_node): Handle OMP_CLAUSE.
20001 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20002 * c-typeck.c: Likewise.
20003 * gimplify.c: Likewise.
20004 * c-omp.c: Likewise.
20005 * tree-nested.c: Likewise.
20006 * tree-inline.c: Likewise.
20007 * c-parser.c: Likewise.
20008 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20011 2006-01-25 Roger Sayle <roger@eyesopen.com>
20013 PR rtl-optimization/25703
20014 * combine.c (try_combine): Handle zero_extract and strict_low_part
20015 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20017 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20019 * global.c: Fix comment typos.
20021 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20024 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20025 Use output_addr_const instead of assemble_name.
20027 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20029 * Makefile.in (sched-vis.o): Update dependencies.
20030 * haifa-sched.c (sched_finish): Clear current_sched_info.
20031 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20032 (dump_flow_info): Call it.
20033 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20035 * basic-block.h (dump_bb_info): Declare.
20036 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20037 option, and apply options only for dump files whose TDF_RTL,
20038 TDF_TREE, or TDF_IPA bits match.
20039 * rtl.h: Declare new functions exported from sched-vis.c.
20040 * sched-vis.c: Enable also if scheduling is not used.
20041 (print_value): Print the mode of registers if not inside scheduling.
20042 (print_insn): Make it work outside the scheduler. Beautify the output
20044 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20046 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20048 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20049 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20050 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20051 depending on the value of CONSTANT_POOL_ADDRESS_P.
20052 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20054 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20055 rather than SYMBOL_REF_DECL.
20056 (rtx_constant_pool): Remove const_rtx_sym_htab.
20057 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20058 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20059 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20060 Remove handling of const_rtx_sym_htab.
20061 (find_pool_constant): Delete.
20062 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20063 rather than find_pool_constant.
20064 (get_pool_constant_for_function): Delete.
20065 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20066 find_pool_constant.
20067 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20068 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20069 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20070 (SYMBOL_REF_CONSTANT): New macro.
20071 (get_pool_constant_for_function): Delete.
20072 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20073 rather than SYMBOL_REF_DECL.
20074 (i386_pe_mark_dllimport): Likewise.
20075 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20076 rather than SYMBOL_REF_DECL.
20077 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20078 (machopic_indirect_call_target): Likewise.
20080 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20082 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20084 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20086 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20088 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20090 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20092 2006-01-24 David Daney <ddaney@avtrex.com>
20095 * configure.ac (enable_tls): New enable option.
20096 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20097 * configure: Regenerate.
20098 * doc/install.texi (--enable-tls): Document new option.
20099 (--disable-tls): Ditto.
20101 2006-01-24 Richard Henderson <rth@redehat.com>
20103 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20104 * alias.c (true_dependence): Respect it.
20105 (canon_true_dependence, write_dependence_p): Likewise.
20106 * builtins.c (get_builtin_sync_mem): Set it.
20108 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20110 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20113 2006-01-24 DJ Delorie <dj@redhat.com>
20115 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20116 for storing constants in single-bit bitfields.
20118 2006-01-25 Ben Elliston <bje@au.ibm.com>
20120 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20122 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20125 * tree-ssa-pre.c (phi_translate): Return NULL
20126 for AGGREGATE_TYPE's.
20128 2006-01-24 Zack Weinberg <zackw@panix.com>
20130 * genautomata.c (process_state_for_insn_equiv_partition):
20131 Use xcalloc for insn_arcs_array.
20132 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20133 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20135 2006-01-24 Richard Henderson <rth@redhat.com>
20137 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20138 update all callers.
20140 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20142 PR rtl-optimization/25890
20143 PR rtl-optimization/25905
20144 * combine.c (expand_compound_operation, expand_field_assignment):
20145 Fail if the bitfield's final position is out of bounds.
20147 2006-01-24 Ian Lance Taylor <ian@airs.com>
20149 PR middle-end/25930
20150 * cgraphunit.c (cgraph_output_in_order): Don't clear
20151 cgraph_asm_nodes until after asm strings have been output.
20153 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20155 * fix-header.c (read_scan_file): Add new parameter imultilib when
20156 calling register_include_chains.
20158 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20160 * omp-low.c: Update documentation.
20162 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20163 Daniel Berlin <dberlin@dberlin.org>
20167 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20168 return from the function.
20170 2006-01-22 Zack Weinberg <zackw@panix.com>
20172 * rtl.def (match_code): Add second argument.
20173 * genpreds.c (write_extract_subexp): New function.
20174 (write_match_code): Add path argument. Use write_extract_subexp.
20175 (write_predicate_expr): Pass path to write_match_code.
20176 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20177 not perform a mode test.
20178 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20179 a subexpression does not constrain the top-level code set.
20180 * read-rtl.c (read_rtx_variadic): New function.
20181 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20182 * doc/md.texi: Document new notation.
20183 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20184 (cmpsi_operand): ... here, using new notation.
20186 2006-01-22 Zack Weinberg <zackw@panix.com>
20188 * varray.c: Remove GENERATOR_FILE #ifdefs.
20190 2006-01-22 Zack Weinberg <zackw@panix.com>
20192 * genautomata.c (output_reserved_units_table): Emit nothing if
20193 description->query_units_num is zero. Remove extra blank line.
20194 (output_cpu_unit_reservation_p): Short circuit
20195 if description->query_units_num is zero.
20197 2006-01-22 Zack Weinberg <zackw@panix.com>
20199 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20200 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20201 nor any of the random handful of variables that used to be necessary
20202 when this program was linked with rtlanal.o. Prune set of forward
20203 function declarations.
20204 (struct attr_desc): Remove static_p field.
20205 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20206 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20207 (attr_string): Do not read the character one past the length of
20209 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20210 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20211 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20212 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20213 (make_automaton_attrs): New.
20214 (main): Do not call into genautomata. Call local gen_bypass
20215 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20216 Remove special case for insn_alts.
20217 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20218 varray.h (leftover from previous change). Prune set of forward
20219 function declarations. Remove state_alts fields from all
20220 structures. Remove state_alts_table from struct automaton.
20221 Make everything except main static. Do not maintain num_dfa_decls.
20222 Do not maintain state_alts fields of various structures.
20223 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20224 (add_arc): Remove state_alts argument. All callers updated.
20225 (output_reserved_units_table): Emit #ifdef here...
20226 (output_tables): ...not here. Don't generate state_alts tables.
20227 (expand_automata): Don't generate attributes.
20228 (write_automata): Don't generate state_alts functions.
20229 (main): New function.
20230 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20231 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20232 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20233 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20234 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20235 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20236 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20237 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20239 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20240 * genattrtab.h: Delete file.
20241 * Makefile.in (OBJS-common): Add insn-automata.o.
20242 (insn-automata.o): New rule.
20243 (simple_generated_c): Add insn-automata.c.
20244 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20245 (genprogmd): Add automata.
20246 (build/genattrtab): Needs no extra objects nor libraries.
20247 (build/genautomata): Needs build/vec.o and -lm.
20249 2006-01-22 Zack Weinberg <zackw@panix.com>
20251 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20252 (output_dfa_max_issue_rate, locked_states_num): Delete.
20253 (struct automaton): Add locked_states field.
20254 (output_dead_lock_vect): Save number of locked states in
20255 automaton->locked_states. If it is zero, don't print anything.
20256 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20257 (output_internal_dead_lock_func): Only test the dead_lock_vect
20258 for automata that have locked states.
20259 (output_statistics): Always print the number of locked states for
20260 each automaton. Calculate total number of locked states here.
20261 (write_automata): Don't call output_dfa_max_issue_rate.
20262 * genattrtab.c: Define length_unit_log as a const variable.
20263 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20264 max_insn_queue_index const.
20265 * final.c (length_unit_log): Declare const.
20266 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20268 2006-01-22 Zack Weinberg <zackw@panix.com>
20270 * genautomata.c: Include vec.h, not varray.h.
20271 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20272 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20273 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20274 VEC_* macros operating on appropriately typed vectors, or to
20275 malloced arrays when the size is known in advance. Const-ify
20276 many char* variables and function arguments. No functional changes.
20277 * Makefile.in (build/varray.o): Delete rule.
20278 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20279 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20281 2006-01-22 Zack Weinberg <zackw@panix.com>
20283 * gensupport.c: Define get_insn_name and record_insn_name here.
20284 (read_md_rtx): Call record_insn_name as appropriate.
20285 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20286 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20287 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20289 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20290 (BUILD_VARRAY): Delete.
20291 (genprognormal): Rename genprogmd. Fold in all programs from
20292 genprognoprint; also attrtab.
20293 (build/genattrtab): Just mention genautomata.o and varray.o.
20294 Reorganize a bit, add comments to make the categories clearer.
20296 2006-01-22 Zack Weinberg <zackw@panix.com>
20298 * genconditions.c (condition_table, add_condition): Delete.
20299 (write_conditions): Don't emit n_insn_conditions nor
20300 insn_elision_unavailable. Issue the gcc version #ifdef here,
20301 inside the table, with no #else clause ...
20302 (write_header): ...not here.
20303 (write_writer): New function.
20304 (main): Don't initialize condition_table. Use add_c_test.
20306 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20307 files on the command line.
20308 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20309 Return -1 if there is no entry in the table, don't abort.
20310 (add_c_test, traverse_c_tests): New functions.
20311 * gensupport.h (insn_elision_unavailable, insn_conditions)
20312 (n_insn_conditions): Delete declarations.
20313 (add_c_test, traverse_c_tests): Declare.
20314 * read-rtl.c: Include gensupport.h.
20315 (read_conditions): New function.
20316 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20317 (read_rtx_1): If we get EOF when we were looking for an initial
20318 open paren, return 0. Call read_conditions when appropriate.
20319 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20320 dummy-conditions.o. Eliminate references to insn-conditions.o,
20321 or change them to build/gencondmd.o, as appropriate. Remove
20322 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20323 from $(simple_generated_c). For all files remaining in those
20324 two lists, add insn-conditions.md to the generator command line.
20325 Give insn-constants.h/s-constants their own rules. Add rules
20326 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20327 (build/read-rtl.o): Depend on gensupport.h.
20328 (genprognormal): Include preds.
20329 (genprogearly): Rename genprognoprint; only difference is now that
20330 they don't link with $(BUILD_PRINT).
20331 * dummy-conditions.c: Delete.
20333 2006-01-22 Zack Weinberg <zackw@panix.com>
20335 * genextract.c: Don't include insn-config.h. Do include vec.h.
20336 Declare vectors of int, char, and locstr.
20337 (locstr): New typedef.
20338 (struct extraction): Make all array fields into bare pointers.
20339 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20340 (insn_code_number): Delete.
20341 (accum_extract): New struct.
20342 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20343 (gen_insn): Take insn_code_number as an argument. Use an
20344 accum_extract structure instead of loading data directly into
20345 a struct extraction, and having to know how big it might get.
20346 (walk_rtx): Operate entirely on an accum_extract structure.
20347 (print_path): Avoid unnecessary use of printf.
20348 (print_header): New function, split out of main. Distinguish
20349 more carefully between an unrecognizable insn and an insn that
20350 has the code number of a define_expand.
20351 (main): Pass insn_code_number to gen_insn. Call print_header
20352 only after parsing. Avoid unnecessary use of printf.
20353 * Makefile.in (build/vec.o): New rule.
20354 (build/genextract): Depend on build/vec.o.
20355 (build/genextract.o): Don't depend on insn-config.h.
20357 2006-01-22 Zack Weinberg <zackw@panix.com>
20359 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20360 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20361 practical. Eliminate per-generator-program link rules.
20363 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20365 PR middle-end/24437
20366 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20367 with a call expr to ...
20368 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20370 2006-01-23 Richard Guenther <rguenther@suse.de>
20372 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20373 before make_edge with conditional EDGE_TRUE_VALUE.
20375 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20376 Jan Hubicka <jh@suse.cz>
20377 Richard Guenther <rguenther@suse.de>
20379 PR rtl-optimization/25654
20380 * cfgexpand.c (aggregate_contains_union_type): New function.
20381 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20382 for structure variables that contain a union type.
20384 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20386 * gengtype.c (new_structure): Return the structure.
20387 (create_option): Add an extra "next" argument.
20388 (create_field): New function.
20389 (adjust_field_rtx_def): Use create_option and create_field.
20390 Remove a now-unnecessary call to find_structure.
20391 (adjust_field_tree_def): Likewise.
20392 (note_yacc_type): Remove an unnecessary call to find_structure.
20393 * gengtype.h (new_structure): Return the structure.
20394 (create_option): Add an extra argument.
20395 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20396 (option): Adjust calls to create_option.
20398 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20400 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20402 2006-01-22 Paul Brook <paul@codesourcery.com>
20403 Peter Barada <peter@the-baradas.com>
20405 * config/m68k/m68k.md: Add Coldfire FPU support.
20406 Define FP mode macro and associated attributes.
20407 Use it for float mode patterns.
20408 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20409 (LIBCALL_VALUE): Use m68k_libcall_value.
20410 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20411 (m68k_function_value): Ditto.
20412 (emit_move_sequence): Ditto.
20413 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20414 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20415 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20416 (MULTILIB_EXCEPTIONS): Ditto.
20417 * config/m68k/m68k.opt: Add mcfv4e.
20418 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20419 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20420 (m68k_output_function_prologue): Save ColdFire FPU registers.
20421 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20422 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20423 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20424 ColdFire FPU registers.
20425 (m68k_libcall_value, m68k_function_value): New functions.
20426 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20427 (LIBCALL_VALUE): Use m68k_libcall_value.
20428 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20429 (MASK_COLDFIRE): Add MASK_CFV4E.
20430 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20431 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20432 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20433 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20434 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20435 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20436 * doc/invoke.tex: Document -mcfv4e on m68k.
20438 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20440 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20443 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20446 * c-opts.c (c_common_handle_option): Don't include
20447 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20448 * doc/invoke.texi (C++ Dialect Options): Document that
20449 -Wnon-virtual-dtor is no longer included in -Wall.
20451 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20453 * gcov.c (print_version), gcov-dump.c (print_version),
20454 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20457 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20459 * df-scan.c (problem_SCAN): Added NULL reset function.
20460 (df_scan_reset_blocks): Added code to call reset block function
20461 (df_bb_refs_delete) Fixed comment.
20462 (df_insn_refs_delete): Made tolerant of deleting non existent info
20463 for dataflow problems that need to be reset.
20464 * df-core.c (df_set_blocks): Ditto.
20465 * df.h (struct df_problem): Added reset_fun.
20466 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20467 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20468 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20469 functions to clear out all references to def-use or use-def chains.
20471 2006-01-21 Ben Elliston <bje@au.ibm.com>
20473 * varasm.c (assemble_real): Initialise data array.
20475 2006-01-20 Paul Brook <paul@codesourcery.com>
20477 Merge from csl-arm-branch.
20478 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20479 * config/arm/arm.md (movdi): Force operands[1] to a register
20480 if we have a non-register source.
20481 (*arm_movdi, *movdf_soft_insn): Require that one of the
20482 operands be a register.
20483 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20484 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20486 2006-01-20 DJ Delorie <dj@redhat.com>
20488 * varasm.c (initializer_constant_valid_p): Allow pointers
20489 initialized from integer constants of lesser precision.
20490 (output_constant): Allow non-int-sized pointer modes to be
20491 initialized from integer constants.
20493 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20496 * cppdefault.h (struct default_include): Add multilib flag.
20497 * cppdefault.c (cpp_include_defaults): Set it.
20498 * c.opt (-imultilib): New option.
20499 * c-opts.c (imultilib): New.
20500 (c_common_handle_option): Handle -imultilib.
20501 (c_common_post_options): Likewise.
20502 * c-incpath.c (add_standard_paths, register_include_chains):
20504 * c-incpath.h (register_include_chains): Add extra parameter.
20505 * gcc.c (do_spec_1): Generate -imultilib option.
20506 (The Specs Language): Update %I description.
20507 (process_command): Update copyright notice.
20508 * doc/cppopts.texi (-imultilib): Document.
20509 * doc/invoke.texi (-imultilib): Include in option summary.
20510 (%I): Update specs documentation.
20512 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20514 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20516 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20518 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20521 2006-01-20 Richard Guenther <rguenther@suse.de>
20522 Steven Bosscher <stevenb.gcc@gmail.com>
20524 PR rtl-optimization/24626
20525 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20526 EDGE_TRUE_VALUE if in RTL mode.
20529 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20530 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20532 2006-01-20 Dirk Mueller <dmueller@suse.com>
20535 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20536 instead of a special NOP marker.
20537 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20538 NOP marker handling.
20539 * c-common.h (empty_body_warning): Add forward declaration.
20540 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20541 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20543 2006-01-20 Paul Brook <paul@codesourcery.com>
20545 * Makefile.in (lang_checks): Keep going if mkdir fails.
20547 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20549 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20550 be able to clean out basic block when not necessary.
20551 (df_scan_free): Fixed to properly delete information if df is
20552 unused before calling df_finish.
20553 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20554 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20556 (df_bb_refs_delete): New function.
20557 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20558 * df-core.c (df_set_blocks): Added code to properly clean out
20559 unused blocks if they are not part of the blocks to consider.
20560 Added additional null check.
20561 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20562 be able to clean out basic block when not necessary
20563 * df.h (df_free_bb_function): Ditto.
20564 (df_bb_refs_delete): New function.
20565 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20566 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20567 basic block parameter to be able to clean out basic block when not
20569 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20570 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20571 Fixed to properly delete information if df is unused before
20574 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20576 PR rtl-optimization/25799
20577 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20578 Corrected confluence operator to remove bits from op2 before oring
20579 with op1 rather than removing bits from op1.
20580 (df_ru_transfer_function): Corrected test on wrong bitmap which
20581 caused infinite loop. Both of these problems were introduced in
20582 the dataflow rewrite.
20584 2006-01-19 DJ Delorie <dj@redhat.com>
20586 * reload1.c (find_reload_regs): Note the details of reload
20587 failures in the dump file.
20588 (spill_failure): Likewise.
20590 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20592 * loop-iv.c: Include df.h and hashtab.h.
20593 (enum iv_grd_result): New enum.
20594 (DF_REF_IV, DF_REF_IV_SET): New macros.
20595 (struct biv_entry): New.
20596 (df, bivs): New global variables.
20597 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20598 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20600 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20601 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20602 analyzed_for_bivness_p, record_biv): New functions.
20603 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20604 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20605 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20607 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20609 (iv_number_of_iterations): Use new interface to iv analysis.
20610 * loop-unroll.c: Do not include varray.h.
20611 (analyze_iv_to_split_insn): Use new interface to iv
20613 * loop-unswitch.c (may_unswitch_on): Ditto.
20614 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20616 (df_bb_modify): Realloc tables to the new index.
20617 (df_find_use): New function.
20618 * df.h (df_find_use): Declare.
20619 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20621 * cfgloop.h (struct rtx_iv): Remove analysed field.
20622 (iv_get_reaching_def): Removed.
20623 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20624 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20625 (loop-iv.o): Add df.h and hashtab.h dependency.
20626 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20628 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20631 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20633 (__floatundisf, __floatundidf): Likewise.
20634 * libgcc2.h (IS_IBM_EXTENDED): Define.
20636 2006-01-19 DJ Delorie <dj@redhat.com>
20638 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20640 2006-01-19 Paul Brook <paul@codesourcery.com>
20642 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20643 as nothrow when unwinding tables are disabled.
20645 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20648 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20649 of bit-field" when in system header.
20651 2006-01-19 DJ Delorie <dj@redhat.com>
20653 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20654 the 16 bit shift limit of the m16c.
20656 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20659 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20660 * config/i386/i386.c (output_set_got): Output the label if we have one
20661 for the TARGET_DEEP_BRANCH_PREDICTION case.
20663 2006-01-19 Jan Hubicka <jh@suse.cz>
20664 H.J. Lu <hongjiu.lu@intel.com>
20665 Evandro Menezes <evandro.menezes@amd.com>
20667 * invoke.texi (generic): Document
20669 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20670 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20671 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20672 (x86_use_incdec, x86_pad_returns): New variables
20673 (TARGET_CPU_DEFAULT_generic): New constant
20674 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20675 (enum processor_type): Add generic32 and generic64.
20676 * i386.md (cpu attribute): Add generic32/generic64
20677 (movhi splitter): Behave sanely when both partial_reg_dependency and
20678 partial_reg_stall are set.
20679 (K8 splitters): Enable for generic as well.
20680 * predicates.md (incdec_operand): Use TARGET_INCDEC
20681 (aligned_operand): Avoid memory mismatch stalls.
20682 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20683 * ppro.md: Enable for generic32
20684 * i386.c (generic64_cost, generic32_cost): New.
20685 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20686 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20687 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20688 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20689 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20690 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20691 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20692 x86_accumulate_outgoing_args, x86_prologue_using_move,
20693 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20694 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20695 Enable for generic.
20696 (x86_use_incdec, x86_pad_returns): New.
20697 (override_options): Add generic32 and generic64, translate "generic"
20698 to generic32/generic64 and "i686" to "generic32", refuse
20699 "generic32"/"generic64" as arch target.
20700 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20701 (ix86_reorg): Honor PAD_RETURNS.
20703 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20705 * tree-pretty-print.c (dump_generic_node): Handle
20706 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20707 * cgraph.c (cgraph_expand_queue): Rename from
20708 cgraph_analyze_queue. Update all users.
20709 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20710 cgraph_expand_queue.
20711 (cgraph_expand_all_functions): Likewise.
20712 (cgraph_finalize_pending_functions): Remove. Update callers.
20714 * tree.h (OMP_DIRECTIVE_P): Define.
20715 (OMP_PARALLEL_FN): Define.
20716 (OMP_PARALLEL_DATA_ARG): Define.
20717 (OMP_SECTIONS_SECTIONS): Define.
20718 * tree-pass.h (pass_expand_omp): Declare.
20719 * omp-low.c (struct omp_region): Declare.
20720 (struct omp_context): Remove fields 'parallel_type',
20721 'parallel_start_ix' and 'parallel_start_additional_args'.
20723 (struct omp_for_data): Rename from struct expand_omp_for_data.
20724 (omp_regions): New static variable.
20725 (root_omp_region): New static variable.
20726 (find_omp_clause): Make static.
20727 (is_in_combined_parallel_ctx): Remove.
20728 (is_combined_parallel): New.
20729 (extract_omp_for_data): Move earlier in the file.
20730 (workshare_safe_to_combine_p): New.
20731 (get_ws_args_for): New.
20732 (determine_parallel_type): Move earlier in the file.
20733 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20735 (omp_copy_decl): Likewise.
20736 (create_omp_child_function): Likewise.
20737 (lookup_omp_region): New.
20738 (dump_omp_region): New.
20739 (debug_omp_region): New.
20740 (debug_all_omp_regions): New.
20741 (new_omp_region): New.
20742 (scan_omp_parallel): If parallel_nesting_level > 1, the
20743 directive is nested within another parallel directive.
20744 Set OMP_PARALLEL_FN.
20745 (scan_omp_for): Do not try to handle combined parallel+for
20747 Remove FIXME comment.
20748 (scan_omp_nested): Remove.
20749 (scan_omp_1): Do not call scan_omp_nested when
20750 parallel_nesting_level is > 1.
20751 Do not change the DECL_CONTEXT of local variables found.
20752 (lookup_decl_in_outer_ctx): New.
20753 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20754 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20755 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20756 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20757 If CTX is nested, lookup VAR in the outer context when
20758 building copy assignment.
20759 (lower_send_clauses): Rename from expand_send_clauses.
20760 If CTX is nested, lookup VAR in the outer context when
20761 building copy assignments.
20762 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20763 If CTX is nested, lookup VAR in the outer context when
20764 building copy assignments.
20765 (expand_parallel_call): Rename from build_parallel_call.
20766 Handle combined parallel+workshare cases.
20767 Re-implement to emit code into the CFG.
20769 (expand_omp_parallel): Re-implement to emit code into the CFG.
20770 Call move_sese_region_to_fn to outline the sub-graph
20771 containing the parallel region.
20772 (expand_omp_for_1): Remove.
20773 (expand_omp_for_generic): Re-implement to emit code into the
20775 (expand_omp_for_static_nochunk): Likewise.
20776 (expand_omp_for_static_chunk): Likewise.
20777 (expand_omp_for): Likewise.
20778 (expand_omp_sections): Likewise.
20779 (remove_exit_barriers): New.
20780 (expand_omp_synch): New.
20782 (build_omp_regions_1): New.
20783 (build_omp_regions): New.
20784 (execute_expand_omp): New.
20785 (gate_expand_omp): New.
20786 (pass_expand_omp): Define.
20787 (lower_omp_sections): Rename from expand_omp_sections.
20788 Set OMP_SECTIONS_SECTIONS.
20789 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20790 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20791 (lower_omp_single): Rename from expand_omp_simple.
20792 (lower_omp_master): Rename from expand_omp_master.
20793 (lower_omp_ordered): Rename from expand_omp_ordered.
20794 (lower_omp_critical): Rename from expand_omp_critical.
20795 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20796 (lower_omp_for): Re-implement.
20797 (lower_omp_parallel): Re-implement.
20798 (lower_regimplify): Rename from expand_regimplify.
20799 (lower_omp_1): Rename from expand_omp_1.
20800 If there are syntax errors in the program, replace every
20801 OpenMP directive with NOP.
20802 Call lower_omp_* instead of expand_omp_*.
20803 (lower_omp): Rename from expand_omp.
20805 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20806 * tree-gimple.h (enum omp_parallel_type): Remove.
20807 (gimple_boolify): Declare extern.
20808 (find_omp_clause, determine_parallel_type): Remove.
20810 * gimple-low.c (lower_omp_directive): New.
20811 (lower_stmt): Call it.
20812 (record_vars_into): Move from ...
20813 (record_vars): ... here.
20814 Call record_vars_into with current_function_decl.
20816 * gimplify.c (struct gimplify_ctx): Remove fields
20817 combined_pre_p and combined_ctxp. Update users.
20818 (get_formal_tmp_var): Add documentation.
20819 (gimple_boolify): Make extern.
20820 (gimplify_expr_in_ctx): Remove. Update callers.
20821 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20822 will always be a BIND_EXPR.
20823 (gimplify_expr): Handle OMP_RETURN_EXPR.
20824 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20825 (OMP_PARALLEL): Add 3 operands.
20826 (OMP_SECTIONS): Add 1 operand.
20827 (OMP_RETURN_EXPR): Define.
20829 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20830 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20831 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20832 creating a circular free list.
20833 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20835 * tree-flow.h (move_sese_region_to_fn): Declare.
20836 (record_vars_into): Declare.
20837 * tree-cfg.c (make_omp_sections_edges): New.
20838 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20839 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20840 OMP_SECTIONS and OMP_SECTION.
20841 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20842 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20843 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20844 (gather_blocks_in_sese_region): New.
20845 (struct move_stmt_d): Declare.
20846 (move_stmt_r): New.
20847 (move_block_to_fn): New.
20848 (move_sese_region_to_fn): New.
20850 * passes.c (init_optimization_passes): Schedule
20851 pass_expand_omp after pass_init_datastructures.
20853 * tree-ssa-operands.c (get_expr_operands): Handle
20854 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20855 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20857 2006-01-19 Jeff Law <law@redhat.com>
20859 * tree-vrp.c (extract_range_from_assert): Refine the result range
20860 if the variable referenced by the ASSERT_EXPR has a range and
20861 either the tentative result range or the previous range is a
20864 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20866 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20868 2006-01-19 Jan Hubicka <jh@suse.cz>
20870 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20872 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20874 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20875 (expand_compound_operation, expand_field_assignment): Fail if the
20876 bit lengths of an extract operation are out of range.
20877 (make_extraction): Compute wanted_inner_mode based on the position
20878 and length of the extraction. Make it extraction_mode for non-constant
20879 positions, and do not modify offset in that case. When generating a
20880 new MEM, use a mode that can hold the extraction while keeping correct
20881 alignment. Remove code that supported MEMs wrapped by USEs.
20882 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20884 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20886 * config/s390/s390.md ("Y", "y"): New mode attribute.
20887 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20888 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20889 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20890 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20891 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20892 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20893 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20894 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20895 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20896 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20897 "addsi3", "subsi3"): Insn patterns removed.
20898 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20899 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20900 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20901 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20902 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20903 "*sub<mode>3_cconly2"): New insn patterns.
20904 ("addsi3", "subsi3"): New expanders.
20906 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20908 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20909 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20910 existing STMT_VINFO_VECTYPE if available.
20911 (vect_mark_relevant): Add special handling for stmts that are
20912 marked as STMT_VINFO_IN_PATTERN_P.
20913 (vect_analyze_loop): Call vect_pattern_recog.
20914 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20915 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20917 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20918 (vect_recog_func_ptr): New function-pointer type.
20919 * tree-vect-patterns.c: New file.
20920 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20921 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20922 (vect_pattern_recog_1): New functions.
20923 (vect_pattern_recog_funcs): New array of function pointers.
20925 * tree-vectorizer.h (ternary_op): New enum value.
20926 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20927 declaration. Revised documentation. Removed redundant dump prints.
20928 Removed redundant argument. Added support for reduction patterns.
20929 (vectorizable_reduction): Added support for reduction patterns.
20930 (vect_transform_stmt): Added support for patterns.
20932 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20933 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20934 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20935 (expand_widen_pattern_expr): New function.
20936 (init_optabs): Initialize new optabs udot_prod_optab,
20938 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20939 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20940 (expand_widen_pattern_expr): New function declaration.
20941 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20943 * tree-inline.c (estimate_num_insns_1): Added cases for new
20944 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20945 * tree-pretty-print.c (dump_generic_node): Likewise.
20946 (op_prio): Likewise.
20947 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20948 * tree-ssa-operands.c (get_expr_operands): Added case for
20950 * tree-vect-patterns.c (widened_name_p): New function.
20951 (vect_recog_dot_prod_pattern): Added function implementation.
20952 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20953 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20954 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20955 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20957 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20958 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20959 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20960 (init_optabs): Initialize new optabs widen_ssum_optab,
20962 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20963 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20964 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20965 use instead of type of def.
20966 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20967 function implementation.
20968 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20969 widen_ssumv8hi): New.
20971 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20974 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20977 * c-decl.c (add_flexible_array_elts_to_size): New function.
20978 (finish_decl): Use it.
20980 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20982 * diagnostic.h: Include options.h.
20983 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20984 dependancies for diagnostic.h.
20985 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20987 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20989 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20990 (ssa_ro_call_cache_valid): Ditto.
20991 * tree-ssa-alias.c (sort_tags_by_id): New function.
20992 (init_transitive_clobber_worklist): Ditto.
20993 (add_to_worklist): Ditto.
20994 (mark_aliases_call_clobbered): Ditto.
20995 (compute_tag_properties): Ditto.
20996 (set_initial_properties): Ditto.
20997 (compute_call_clobbered): Ditto.
20998 (compute_may_aliases): Call compute_call_clobbered and grouping.
20999 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21000 (compute_flow_insensitive_aliasing): Grouping now happens in our
21002 (setup_pointers_and_addressables): Remove clobbering related code.
21003 (add_may_alias): Ditto.
21004 (replace_may_alias): Ditto.
21005 (get_nmt_for): Ditto.
21006 (create_global_var):
21007 (is_escape_site): Return an escape_type enumeration.
21008 * tree-flow-inline.h (is_call_clobbered): Global var does not
21009 imply call clobbered.
21010 (mark_call_clobbered): Take a reason for marking this. Remove
21011 marking of globalness, and cache invalidation.
21012 (clear_call_clobbered): Remove cache invalidation code.
21013 * tree-dfa.c (dump_variable): If details is on, dump the reason
21015 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21017 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21018 (struct var_ann_d): Ditto.
21019 (enum escape_type): New.
21020 (mark_call_clobbered): Adjust prototype.
21021 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21022 are never call clobbered.
21023 Record reasons for escaping.
21024 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21025 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21026 (ssa_ro_call_cache_valid): Ditto.
21027 (clobbered_v_may_defs): Ditto.
21028 (clobbered_vuses): Ditto.
21029 (ro_call_vuses): Ditto.
21030 (clobber_stats): New.
21031 (init_ssa_operands): Zero out clobber stats.
21032 (fini_ssa_operands): Print out clobber stats.
21033 (get_call_expr_operands): Pass callee fndecl to
21034 add_call_read_ops).
21035 (add_call_clobber_ops): Remove use of cache.
21036 Add use of PURE_CONST information.
21037 (add_call_read_ops): Remove use of cache.
21038 Add use of static not_read information.
21040 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21042 Introduce TLS descriptors for i386 and x86_64.
21043 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21044 (TARGET_ANY_GNU_TLS): New macro.
21045 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21046 (struct machine_function): Add tls_descriptor_call_expanded_p.
21047 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21048 (ix86_current_function_calls_tls_descriptor): Likewise.
21049 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21050 (override_options): Introduce gnu2 tls dialect.
21051 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21053 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21055 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21056 (ix86_init_machine_status): Initialize new field.
21057 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21058 (ix86_tls_module_base): New.
21059 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21060 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21061 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21062 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21063 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21064 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21065 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21066 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21067 * config/i386/predicates.md (tls_modbase_operand): New.
21068 (tp_or_register_operand): New.
21070 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21072 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21073 (look_for_address_of): Ditto.
21074 (ipa_init): Walk the function decls.
21075 (static_execute): Don't set readonly on FUNCTION_DECL's.
21077 2006-01-18 Roger Sayle <roger@eyesopen.com>
21079 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21080 for shifts where the source and destination registers are different.
21082 2006-01-18 Paul Brook <paul@codesourcery.com>
21084 Merge from csl-arm-branch.
21085 2005-03-14 Julian Brown <julian@codesourcery.com>
21086 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21087 (aeabi_llsl): Likewise.
21088 (ashrdi3): Likewise.
21089 (aeabi_lasr): Likewise.
21090 (lshrdi3): Likewise.
21091 (aeabi_llsr): Likewise.
21092 2005-03-10 Julian Brown <julian@codesourcery.com>
21093 * config.gcc: Disable shared libgcc for SymbianOS.
21094 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21096 2006-01-18 DJ Delorie <dj@redhat.com>
21098 * c-pragma.c (handle_pragma_diagnostic): New.
21099 (init_pragma): Register it.
21100 * doc/extend.texi: Document it.
21102 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21103 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21104 (diagnostic_context): Add classify_diagnostic[].
21105 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21106 as errors if they're overridden to DK_WARNING.
21107 (diagnostic_initialize): Initialize classify_diagnostic[].
21108 (diagnostic_set_kind_override): New.
21109 (diagnostic_report_diagnostic): Check for kind changes.
21110 * opts.c (common_handle_option): Take lang_mask. Update callers.
21111 Handle OPT_Werror_.
21112 * common.opt (Werror=): New.
21113 * doc/invoke.texi: Document -Werror=*
21115 2006-01-18 Jeff Law <law@redhat.com>
21117 * tree-vrp.c (test_for_singularity): Correct test for new
21118 min limit. Use operand_equal_p rather than pointer equality
21119 for testing if new min/max values are equal.
21121 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21122 using range information until after propagation and folding.
21124 2006-01-18 Richard Henderson <rth@redhat.com>
21125 Aldy Hernandez <aldyh@redhat.com>
21126 Jakub Jelinek <jakub@redhat.com>
21127 Diego Novillo <dnovillo@redhat.com>
21129 * omp-low.c: New file.
21130 * c-omp.c: New file.
21132 2006-01-18 Richard Henderson <rth@redhat.com>
21133 Jakub Jelinek <jakub@redhat.com>
21134 Diego Novillo <dnovillo@redhat.com>
21136 * doc/invoke.texi: Document -fopenmp.
21137 * tree-dump.h (debug_function): Declare.
21138 * hooks.c (hook_bool_tree_bool_false): New function.
21139 (hook_tree_tree_null): Remove.
21140 (hook_tree_tree_tree_null): New.
21141 * hooks.h: Update to match.
21142 * tree-pretty-print.c (debug_tree_chain): New.
21143 (print_generic_expr): Handle TDF_CHAIN.
21144 (dump_generic_node): Handle BLOCK.
21145 Do not abort with incomplete SWITCH_EXPRs.
21146 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21147 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21148 print space after directive name.
21149 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21150 Handle OMP_MASTER and OMP_ORDERED.
21151 Handle printing of OMP_BODY just in one place, goto
21152 dump_omp_body in the rest of OMP_* nodes that have
21154 Don't handle clause nodes here. Update omp statements to
21155 use dump_omp_clauses.
21156 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21157 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21158 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21159 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21160 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21161 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21162 Adjust output for GOMP_PARALLEL.
21163 (dump_omp_clauses): New.
21164 (print_declaration): Dump DECL_VALUE_EXPR.
21165 (op_symbol_1): Split out of op_symbol.
21166 (dumping_stmts): Remove. Update all users.
21167 * cgraph.c (cgraph_analyze_queue): New.
21168 (cgraph_add_new_function): New.
21169 * cgraph.h (cgraph_analyze_queue): Declare.
21170 (cgraph_add_new_function): Declare.
21171 (cgraph_lower_function): Remove.
21172 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21173 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21174 and TYPE_P nodes in its default clause.
21175 (empty_body_p): New.
21176 (tree_range_check_failed): New.
21177 (build5_stat): New.
21178 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21179 OMP_CLAUSE_REDUCTION_MERGE,
21180 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21181 OMP_CLAUSE_PRIVATE_DEBUG,
21182 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21183 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21184 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21185 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21186 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21187 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21188 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21189 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21190 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21191 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21192 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21193 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21194 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21195 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21196 (TREE_RANGE_CHECK): New.
21197 (empty_body_p): Declare.
21198 (enum omp_clause_default_kind): New.
21199 (build_string_literal): Declare.
21200 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21201 (build5_stat, build5): Declare.
21202 * tree-pass.h (TDF_CHAIN): Define.
21203 * tree-pass.h (PROP_gimple_lomp): Define.
21204 (pass_lower_omp): Declare.
21205 * diagnostic.h (debug_tree_chain): Declare.
21206 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21208 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21209 * builtins.c (build_string_literal): Make extern.
21210 * gcc.c (include_spec_function): New.
21211 (static_spec_functions): Add it.
21212 (main): Move load of libgomp.spec ...
21213 (LINK_COMMAND_SPEC): ... here.
21214 (link_gomp_spec): New.
21215 (static_specs): Include it.
21216 (LINK_COMMAND_SPEC): Add link_gomp.
21217 (GOMP_SELF_SPECS): New.
21218 (driver_self_specs): Include it.
21219 (switch_matches): Don't mark inline.
21220 (main): Load libgomp.spec.
21221 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21222 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21223 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21224 * tree-gimple.h (enum omp_parallel): Declare.
21225 (determine_parallel_type): Declare.
21226 (omp_firstprivatize_variable): Declare.
21227 (omp_reduction_init): Declare.
21228 (diagnose_omp_structured_block_errors): Declare.
21229 (struct walk_stmt_info): Add want_return_expr.
21230 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21231 (find_omp_clause): Declare.
21232 (insert_field_into_struct): Declare.
21233 (struct walk_stmt_info): Move from tree-nested.c
21234 (walk_stmts): Declare.
21235 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21237 * cgraphunit.c (cgraph_lower_function): Make static.
21238 (cgraph_finalize_pending_functions): New.
21239 (cgraph_finalize_function): Call it.
21240 (cgraph_finalize_compilation_unit): Likewise.
21241 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21242 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21243 (BT_FN_UINT_UINT): New.
21244 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21245 DEF_FUNCTION_TYPE_VAR_4): Document.
21246 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21247 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21248 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21249 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21250 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21251 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21252 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21253 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21254 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21255 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21256 into separate files.
21257 (DEF_GOMP_BUILTIN): New.
21258 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21259 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21260 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21261 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21262 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21263 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21264 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21265 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21266 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21267 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21268 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21269 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21270 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21271 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21272 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21273 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21274 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21275 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21276 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21277 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21278 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21279 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21280 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21281 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21282 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21283 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21284 * sync-builtins.def: New file, moved from builtins.def.
21285 * omp-builtins.def: New file, moved from builtins.def.
21286 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21287 * gimple-low.c (lower_function_body): Clear data.
21288 (lower_stmt): Do not handle COMPOUND_EXPR.
21289 Remove call to print_node_brief.
21290 * c-tree.h (c_finish_omp_clauses): New prototype.
21291 (C_DECL_THREADPRIVATE_P): Define.
21292 (lookup_name_no_remap, c_omp_remap_private): Remove
21293 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21294 (check_for_loop_decls): Update decl.
21295 (lookup_name_no_remap, c_omp_remap_private): Declare.
21296 (build_indirect_ref, build_modify_expr, pushdecl,
21297 pushdecl_top_level): Move to c-common.h.
21298 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21299 before the switch, but just in the 2 places that need it.
21300 * c-decl.c (diagnose_mismatched_decls): Do not check for
21301 mismatched thread-local attributes when OLDDECL is marked
21302 threadprivate and NEWDECL has no thread-local attributes.
21303 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21304 (c_gimple_diagnostics_recursively): Rename from
21305 c_warn_unused_result_recursively. Invoke
21306 diagnose_omp_structured_block_errors.
21307 (check_for_loop_decls): Return a singular decl found.
21308 * langhooks.c (lhd_omp_predetermined_sharing): Return
21309 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21310 (lhd_omp_firstprivatize_type_sizes): New.
21311 (lhd_omp_assignment): New.
21312 (lhd_omp_predetermined_sharing): New.
21313 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21314 (struct lang_hooks_for_types): Add
21315 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21316 omp_predetermined_sharing, omp_disregard_value_expr,
21317 omp_private_debug_clause, omp_clause_default_ctor,
21318 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21319 (c_finish_omp_clauses): New.
21320 (c_finish_bc_stmt): Diagnose break within omp for.
21321 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21322 (build_unary_op): Return error_mark after reporting
21324 (build_modify_expr): Likewise.
21325 * gimplify.c: Include optabs.h and pointer-set.h.
21326 (enum gimplify_omp_var_data): Declare.
21327 (struct gimplify_omp_ctx): Declare.
21328 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21330 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21331 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21332 (splay_tree_compare_decl_uid): New.
21333 (new_omp_context): New.
21334 (delete_omp_context): New.
21335 (gimple_add_tmp_var): Call omp_add_variable.
21336 (gimplify_bind_expr): Likewise.
21337 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21338 true, disregard DECL_VALUE_EXPR on the decl if any.
21339 (gimplify_expr_in_ctx): New.
21340 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21341 omp_add_variable, omp_notice_variable, omp_is_private
21342 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21343 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21344 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21345 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21346 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21347 gimplify_omp_atomic): New.
21348 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21349 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21350 OMP_CRITICAL and OMP_ATOMIC.
21351 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21352 * c-pragma.h (enum pragma_kind): Add
21353 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21354 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21355 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21356 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21357 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21358 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21359 PRAGMA_OMP_THREADPRIVATE.
21360 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21361 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21362 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21363 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21364 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21365 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21366 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21367 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21368 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21369 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21370 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21371 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21372 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21374 (struct nesting_info): Add field_map,
21375 suppress_expansion, debug_var_chain.
21376 (create_nesting_tree): Initialize them.
21377 (lookup_field_for_decl): Use field_map.
21378 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21379 (convert_local_omp_clauses): New.
21380 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21381 (walk_body): Split out of walk_function.
21382 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21383 (convert_nonlocal_reference): Handle omp statements.
21384 (convert_local_reference): Likewise.
21385 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21386 (unnest_nesting_tree): New.
21387 (lower_nested_functions): Call it.
21388 (insert_field_into_struct): Make extern.
21389 (struct walk_stmt_info): Move to tree-gimple.h.
21390 (walk_stmts): Make extern.
21391 * omp-builtins.def: New file.
21392 * tree-iterator.c (expr_only): Clarify comment.
21393 * c-common.h (pushdecl_top_level, pushdecl,
21394 build_modify_expr, build_indirect_ref,
21395 c_finish_omp_master, c_finish_omp_critical,
21396 c_finish_omp_ordered, c_finish_omp_barrier,
21397 c_finish_omp_atomic, c_finish_omp_flush,
21398 c_finish_omp_for, c_split_parallel_clauses,
21399 omp_clause_default_kind, c_omp_sharing_predetermined,
21400 c_omp_remap_decl): Declare.
21401 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21402 (OBJS-common): Add omp-low.o.
21403 (c-omp.o, omp-low.o): Add.
21404 (gimplify.o): Add dependency on $(OPTABS_H).
21405 (GTFILES): Add omp-low.c.
21406 (gt-stringpool.h): Add.
21407 * tree-cfg.c (set_bb_for_stmt): Do not update the
21408 block-to-labels map if we are currently expanding to RTL.
21409 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21411 Handle IDENTIFIER_NODE.
21412 (tree_verify_flow_info): Do not ICE when emitting error
21413 messages about invalid labels.
21414 (dump_function_to_file): Reset CFUN before emitting the body
21416 (debug_function): New.
21417 * passes.c (init_optimization_passes): Schedule
21419 * langhooks-def.h (lhd_omp_predetermined_sharing,
21420 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21422 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21423 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21424 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21425 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21426 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21427 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21428 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21429 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21430 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21431 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21432 (LANG_HOOK_DECLS): Use them.
21434 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21435 Richard Henderson <rth@redhat.com>
21436 Jakub Jelinek <jakub@redhat.com>
21437 Diego Novillo <dnovillo@redhat.com>
21439 * c-parser.c (pragma_omp_clause): Define.
21440 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21441 (c_parser_compound_statement): Likewise.
21442 (c_parser_statement): Likewise.
21443 (c_parser_pragma): Handle omp pragmas.
21444 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21445 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21446 (c_parser_omp_clause_name, check_no_duplicate_clause,
21447 c_parser_omp_variable_list,
21448 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21449 c_parser_omp_clause_copyprivate,
21450 c_parser_omp_clause_default,
21451 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21452 c_parser_omp_clause_lastprivate,
21453 c_parser_omp_clause_nowait,
21454 c_parser_omp_clause_num_threads,
21455 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21456 c_parser_omp_clause_reduction,
21457 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21458 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21459 c_parser_omp_atomic, c_parser_omp_barrier,
21460 c_parser_omp_critical, c_parser_omp_flush,
21461 c_parser_omp_for_loop, c_parser_omp_for,
21462 c_parser_omp_master, c_parser_omp_ordered,
21463 c_parser_omp_sections_scope, c_parser_omp_sections,
21464 c_parser_omp_parallel, c_parser_omp_single,
21465 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21466 * c-pragma.c (init_pragma): Do omp pragma registration here.
21467 * c.opt (fopenmp): New flag.
21469 2006-01-18 Eric Christopher <echristo@apple.com>
21471 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21472 * config/darwin.h (GOMP_SELF_SPECS): Define.
21474 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21476 * rtl.h: Remove the prototype for reg_alloc.
21478 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21481 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21482 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21483 sjlj and dwarf2 exception handling.
21484 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21485 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21486 * pa/pa.c (function_value): Treat complex and vector types as
21488 (function_arg): Likewise. Only pass scalar floats in the floating
21489 point argument registers.
21490 * pa/t-slibgcc-dwarf-ver: New file.
21491 * pa/t-slibgcc-sjlj-ver: New file.
21492 * pa/t-slibgcc-elf-ver: Delete file.
21494 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21496 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21497 unlikely_test_section_p test.
21499 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21501 * mode-switching.c (optimize_mode_switching): Make it static.
21502 * basic-block.h: Remove the prototype for
21503 optimize_mode_switching.
21505 * modulo-sched.c (sms_schedule): Make it static.
21506 * rtl.h: Remove the prototype for sms_schedule.
21508 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21509 * rtl.h: Remove the prototype for gcse_after_reload_main.
21511 * reg-stack.c (reg_to_stack): Make it static.
21512 * rtl.h: Remove the prototype for reg_to_stack.
21514 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21516 * rtl.h: Remove the prototypes for regrename_optimize and
21517 copyprop_hardreg_forward.
21519 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21521 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21522 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21523 Test against the appropriate null constant for the mode.
21524 If 'fixup_overlap' is true, swap the operands if they overlap.
21525 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21526 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21527 alpha_split_tmode_pair and adjust for above change.
21528 * config/alpha/alpha.md (movtf_internal): Adjust call to
21529 alpha_split_tfmode_pair and rely on it to swap the operands.
21530 (movti_internal): New insn and post-reload splitter.
21531 (movti): New expander.
21533 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21535 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21538 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21540 * rtlanal.c (global_reg_mentioned_p_1,
21541 global_reg_mentioned_p): Remove.
21542 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21544 * flow.c (initialize_uninitialized_subregs): Make it static.
21545 * rtl.h: Remove the prototype for
21546 initialize_uninitialized_subregs.
21548 * function.c (instantiate_virtual_regs): Make it static.
21549 * function.h: Remove the prototype for
21550 instantiate_virtual_regs.
21552 * regmove.c (regmove_optimize, combine_stack_adjustments):
21554 * rtl.h: Remove the prototypes for regmove_optimize and
21555 combine_stack_adjustments.
21557 2006-01-17 Roger Sayle <roger@eyesopen.com>
21559 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21560 (size_cost): Encode costs in bytes so that a reg-reg addition is
21561 equivalent to COSTS_N_INSNS(1).
21562 (override_options): Use the size_cost.branch_cost as the default
21563 ix86_branch_cost when optimizing for size.
21565 2006-01-18 Ben Elliston <bje@au.ibm.com>
21567 * Makefile.in (D32PBIT_FUNCS): New.
21568 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21569 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21570 D64PBIT_FUNCS and D128PBIT_FUNCS.
21571 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21572 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21574 (decnumber_dep): Define.
21575 * doc/libgcc.texi (Decimal float library routines): New node.
21576 * config/dfp-bit.h, config/dfp-bit.c: New files.
21578 2006-01-18 Ben Elliston <bje@au.ibm.com>
21580 * expr.c (emit_move_change_mode): Always adjust addresses, not
21581 just during reload. Copy replacements only during reload.
21582 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21583 emit_move_via_integer.
21585 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21587 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21588 instead of $(srcdir) and ${srcdir}.
21590 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21593 PR middle-end/11135
21594 * arm.h (struct machine_function): Add pic_reg.
21595 * arm.c (arm_pic_register): Make unsigned.
21596 (arm_override_options): Only set arm_pic_register if
21597 TARGET_SINGLE_PIC_BASE.
21598 (use_return_insn): Only test for a pic register if it is fixed.
21599 (arm_compute_save_reg0_reg12_mask): Likewise.
21600 (thumb_compute_save_reg_mask): Likewise.
21601 (legitimate_pic_operand): Factor out some known invariants.
21602 (legitimize_pic_address): If we don't have a fixed pic register,
21603 then set up a pseudo in the function entry sequence. Handle the
21604 pic base being in a pseudo.
21605 (arm_load_pic_register): Handle the pic register being in a pseudo.
21606 (arm_expand_prologue): Only set up the pic register if it is fixed.
21607 (thumb_expand_prologue): Likewise.
21608 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21609 (pic_load_addr_based_insn): Likewise.
21610 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21613 2006-01-18 Ben Elliston <bje@au.ibm.com>
21615 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21616 decimal float modes for all floating point registers.
21618 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21619 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21621 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21624 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21625 even when the pointer is not NULL.
21627 2006-01-16 Ian Lance Taylor <ian@airs.com>
21629 * common.opt (ftoplevel-reorder): New option.
21630 * cgraph.c (cgraph_asm_nodes): New global variable.
21631 (cgraph_asm_last_node): New static variable.
21632 (cgraph_order): New global variable.
21633 (cgraph_create_node): Set new order field.
21634 (cgraph_varpool_node): Likewise.
21635 (decide_is_variable_needed): Return true if not
21636 flag_toplevel_reorder.
21637 (cgraph_add_asm_node): New function.
21638 * cgraph.h (struct cgraph_node): Add order field.
21639 (struct cgraph_varpool_node): Add order field.
21640 (struct cgraph_asm_node): Define.
21641 (cgraph_asm_nodes, cgraph_order): Declare.
21642 (cgraph_add_asm_node): Declare.
21643 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21645 (cgraph_varpool_assemble_pending_decls): Call it.
21646 (cgraph_output_pending_asms): New static function.
21647 (cgraph_finalize_compilation_unit): Call it.
21648 (struct cgraph_order_sort): Define.
21649 (cgraph_output_in_order): New static function.
21650 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21651 !flag_toplevel_reorder case.
21652 * c-parser.c: Include "cgraph.h".
21653 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21655 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21656 than -fno-unit-at-a-time.
21657 * doc/invoke.texi (Option Summary): Mention
21658 -fno-toplevel-reorder.
21659 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21660 -funit-at-a-time documentation.
21662 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21663 Kazu Hirata <kazu@codesourcery.com>
21665 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21667 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21669 * Makefile.in (FUNCTION_H): New. Use it instead of
21670 function.h throughout the file.
21671 * function.h: Include tree.h.
21673 2006-01-17 Ben Elliston <bje@au.ibm.com>
21675 * recog.c: Separate some functions with whitespace.
21677 2006-01-16 Richard Henderson <rth@redhat.com>
21679 Merge from gomp branch:
21680 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21681 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21682 and rename from struct inline_data. Rename callee* to dst*;
21683 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21684 transform_new_cfg, transform_return_to_modify, and
21685 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21687 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21688 (copy_decl_for_dup): Remove.
21689 * tree-inline.c (struct inline_data): Move to header.
21690 (insert_decl_map): Export.
21691 (remap_decl): Update for member name changes. Use copy_decl hook.
21692 Allow for replacement to be a non-decl. Remove dead code.
21693 (remap_type_1): Check for existing mapping.
21694 (remap_type): Export.
21695 (remap_decls): Update for member name changes.
21696 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21697 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21698 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21699 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21700 (tree_function_versioning, build_duplicate_type): Likewise.
21701 (copy_body_r): Likewise. Export.
21702 (copy_decl_for_dup): Split into ...
21703 (copy_decl_for_dup_finish, copy_decl_to_var,
21704 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21705 (replace_ref_tree, inlining_p): Remove.
21707 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21709 * ifcvt.c (if_convert): Make it static.
21710 * rtl.h: Remove the prototype for if_convert.
21712 * local-alloc.c (local_alloc): Make it static.
21713 * rtl.h: Remove the prototype for local_alloc.
21715 * loop.c (loop_optimize): Make it static.
21716 * cfgloop.h: Remove the prototype for loop_optimize.
21719 2006-01-16 DJ Delorie <dj@redhat.com>
21721 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21724 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21726 * pa.md: Disparage copies between general and floating-point registers
21727 in 32-bit move patterns.
21729 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21732 * Makefile.in (check-%): Depend on site.exp instead of
21733 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21736 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21738 * global.c (global_alloc): Make it static.
21739 * rtl.h: Remove the prototype for global_alloc.
21741 2006-01-16 Richard Guenther <rguenther@suse.de>
21743 * tree-ssa-alias.c (struct used_part): Add write_only field.
21744 (get_or_create_used_part_for): Initialize it to true.
21745 (create_overlap_variables_for): Don't create structure variables
21746 for structures that only are written to.
21747 (find_used_portions): Handle MODIFY_EXPR to track whether a
21748 structure is only written to.
21750 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21752 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21754 * basic-block.h: Remove the prototype for
21755 partition_hot_cold_basic_blocks.
21757 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21759 * cppspec.c (lang_specific_spec_functions): Remove.
21760 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21761 * gcc.h (lang_specific_spec_functions): Remove.
21762 * gccspec.c (lang_specific_spec_functions): Remove.
21764 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21766 * combine.c (record_value_for_reg): Invalidate registers
21768 (record_dead_and_set_regs_1): Likewise, by passing them to
21769 record_value_for_reg.
21770 (record_dead_and_set_regs): Invalidate stores made by a
21771 call. We do not combine across a call, but we still
21772 relied on equivalences.
21774 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21776 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21777 vrp_int_const_binop returning non-constant nodes.
21779 2006-01-16 Paul Brook <paul@codesourcery.com>
21781 * config/m68k/m68k.c (output_move_const_into_data_reg):
21782 Output correct mnemonic for mvz and mvs.
21784 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21786 * rtl-factoring.c: Add sequence abstraction algorithm.
21787 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21788 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21790 (block_has_preserve_label): New function.
21791 * common.opt: Register new pass.
21792 * Makefile.in: Ditto.
21794 * timevar.def: Ditto.
21795 * tree-pass.h: Ditto.
21796 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21797 * rtl.h (make_jump_insn_raw): Add forward decl.
21798 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21800 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21801 Roger Sayle <roger@eyesopen.com>
21803 * fold-const.c (fold_minmax): New static function.
21804 (fold_binary) <MIN_EXPR>: Call it.
21805 <MAX_EXPR>: Likewise.
21806 * stor-layout.c (place_field): Use DECL_SIZE consistently
21807 in the computation of the new record size.
21809 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21811 * cse.c (cse_condition_code_reg): Make it static.
21812 * rtl.h: Remove the prototype for cse_condition_code_reg.
21814 * combine.c (combine_instructions): Make it static.
21815 * rtl.h: Remove the prototype for combine_instructions.
21817 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21820 * tree.c (get_file_function_name_long): Concatenate the first global
21821 object name with a string derived from the input filename of the object
21824 2006-01-16 Ben Elliston <bje@au.ibm.com>
21826 * config/i386/winnt-stubs.c: Update FSF address.
21827 * config/xtensa/ieee754-df.S: Ditto.
21828 * config/xtensa/ieee754-sf.S: Ditto.
21830 2006-01-14 Ian Lance Taylor <ian@airs.com>
21832 * ifcvt.c (noce_init_if_info): New static function, broken out of
21833 noce_process_if_block.
21834 (noce_process_if_block): Call noce_init_if_info.
21835 (check_cond_move_block): New static function.
21836 (cond_move_process_if_block): New static function.
21837 (process_if_block): Call cond_move_process_if_block.
21839 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21841 * cselib.c (hash_table): Rename to cselib_hash_table.
21842 (cselib_clear_table, discard_useless_values,
21843 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21844 cselib_init, cselib_finish): Adjust uses of hash_table.
21846 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21848 PR tree-optimization/25485
21849 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21850 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21851 is known to be false and true, respectively.
21853 2006-01-14 Richard Guenther <rguenther@suse.de>
21855 PR tree-optimization/22548
21856 PR tree-optimization/22555
21857 PR tree-optimization/22501
21858 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21859 * params.def (salias-max-array-elements): New parameter.
21860 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21861 * doc/invoke.texi (salias-max-array-elements): Document.
21862 * tree-flow-inline.h (var_can_have_subvars): We also handle
21864 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21866 * tree-ssa-structalias.c (params.h): Include.
21867 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21868 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21869 (get_constraint_for): For ADDR_EXPR operating on something
21870 containing an ARRAY_REF, add all subvars to the solution.
21871 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21872 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21873 for creating MUST_DEFs.
21874 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21876 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21878 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21880 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21881 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21882 number_of_iterations_le): New functions.
21883 (number_of_iterations_special): Removed.
21884 (number_of_iterations_exit): Do not use number_of_iterations_special.
21885 * tree.c (unsigned_type_for): Always return integer type.
21887 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21888 Richard Guenther <rguenther@suse.de>
21890 PR rtl-optimization/24257
21891 * gcse.c (find_moveable_store): Only consider a store movable
21892 when the SET_SRC of the insn can be assigned to a register.
21894 2006-01-14 Ian Lance Taylor <ian@airs.com>
21896 * tree.c (tree_not_class_check_failed): New function.
21897 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21898 (tree_not_class_check_failed): Declare.
21900 2006-01-13 Ian Lance Taylor <ian@airs.com>
21902 * reload1.c (do_output_reload): Add assertion rejecting a
21905 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21907 * combine.c (struct reg_stat): Add new fields truncation_label and
21909 (record_value_for_reg): Reset truncated_to_mode.
21910 (record_truncated_value): New function.
21911 (check_promoted_subreg): Call it. Rename to check_conversions.
21912 (combine_instructions): Rename check_promoted_subreg to
21914 (reg_truncated_to_mode): New function.
21915 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21916 (gen_lowpart_or_truncate): New function.
21917 (force_to_mode): Use it instead of gen_lowpart.
21919 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21921 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21922 VAR is a tag, not its type tag.
21924 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21926 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21927 alternatives to match style of other entries.
21928 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21930 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21932 PR tree-optimization/25771
21933 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21936 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21939 * tree-inline.c (declare_return_variable): If the return variable
21940 was marked as a non gimple complex, set the return slot variable
21941 to be a non gimple comple variable.
21943 2006-01-13 Richard Guenther <rguenther@suse.de>
21945 * builtins.c (expand_builtin_sincos): New function.
21946 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21948 (expand_builtin): Expand sincos using expand_builtin_sincos.
21950 2006-01-12 DJ Delorie <dj@redhat.com>
21952 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21953 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21954 so that constant shifts can be split.
21955 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21956 (m32c_valid_pointer_mode): Make static.
21957 (shift_gen_func_for): New.
21958 (m32c_prepare_shift): Use it. Split large const shifts into
21960 * config/m32c/predicates.md (shiftcount_operand): Allow more
21962 (longshiftcount_operand): New.
21963 * doc/md.texi (Machine Constraints): Document In6.
21965 2006-01-13 Ben Elliston <bje@au.ibm.com>
21967 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21968 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21971 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21973 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21974 to try to avoid clobbering pieces of structures when we know
21975 something about the whole structure.
21976 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21978 2006-01-13 Ben Elliston <bje@au.ibm.com>
21980 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21981 return in memory, as this is no limitation is no longer present.
21983 2006-01-12 DJ Delorie <dj@redhat.com>
21985 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21986 mova with fb, and for fb+0 -> An.
21988 * config/m32c/mov.md (peephole2): Fix enabling logic.
21990 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21991 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21992 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21993 FINI_ARRAY_SECTION_ASM_OP): Define.
21995 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21997 (m32c_legitimize_reload_address): New logic to reload FB to An.
21998 (m32c_output_reg_push): Add newline.
21999 (m32c_output_reg_pop): Likewise.
22001 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22003 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22005 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22007 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22009 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22011 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22014 2006-01-11 Ben Elliston <bje@au.ibm.com>
22016 * rtlanal.c (find_reg_note): Assert insn is not null.
22018 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22020 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22023 2006-01-11 Jeff Law <law@redhat.com>
22025 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22027 (mark_threaded_blocks, register_jump_thread): New functions.
22028 (thread_through_all_blocks): Remove unwanted argument. No
22029 longer rely on e->aux to communicate thread target info.
22030 Call mark_threaded_blocks. Release the threaded_blocks
22031 bitmap and threaded_edges vector when complete.
22032 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22033 (threaded_blocks): Remove.
22034 (tree_ssa_dominator_optimize): Remove initialization and
22035 finalization of threaded_blocks. Simplify call to
22036 thread_through_all_blocks.
22037 (thread_across_edge): Call register_jump_thread rather than
22038 storing thread information into e->aux.
22039 (free_all_edge_infos): Simplify now that e->aux is no longer
22040 used to communicate with thread_through_all_blocks.
22041 * tree-flow.h (thread_through_all_blocks): Update prototype.
22042 (register_jump_thread): Prototype.
22044 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22046 * df-core.c (df_compact_blocks, df_bb_replace): Use
22047 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22049 2006-01-11 Richard Guenther <rguenther@suse.de>
22051 PR tree-optimization/25734
22052 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22053 stop propagation after successful propagation to the LHS.
22055 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22057 * basic-block.h (control_flow_graph): Change the type of
22058 x_basic_block_info to VEC(basic_block,gc) *.
22059 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22061 (SET_BASIC_BLOCK): New.
22062 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22063 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22064 * cfgbuild.c (find_basic_blocks): Likewise.
22065 * cfglayout.c (fixup_reorder_chain): Likewise.
22066 * cfgrtl.c (create_basic_block_structure,
22067 rtl_create_basic_block): Likewise.
22068 * ifcvt.c (find_if_case_1): Likewise.
22069 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22072 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22074 * Makefile.in: Removed rotted odf.c entry.
22076 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22079 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22080 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22081 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22082 output pattern modifier, not %e.
22083 * config/cris/cris.c (cris_op_str): Update comment about pattern
22085 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22086 before falling through into...
22087 <case 'E'>: Redefined from old 'e' case.
22089 2006-01-11 Jan Hubicka <jh@suse.cz>
22092 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22094 2006-01-11 Jan Hubicka <jh@suse.cz>
22096 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22097 * i386.c (x86_decompose_lea): Kill.
22098 (ix86_rtx_costs): Kill.
22100 2006-01-11 Jan Hubicka <jh@suse.cz>
22102 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22103 * cgraph.h (cgraph_node): Add inline_decl.
22104 (cgraph_insert_node_to_hashtable): Declare.
22105 (save_inline_function_body): Declare.
22106 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22108 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22109 (cgraph_function_versioning): Update call of tree_function_versioning.
22110 (save_inline_function_body): New function.
22111 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22112 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22113 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22114 (cgraph_default_inline_p): Likewise.
22115 (cgraph_decide_inlining_incrementally): Likewise.
22116 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22117 (copy_bb): Kill saving; do updating of clones.
22118 (copy_cfg_body): Kill saving.
22119 (initialize_inlined-parameters): Likewise.
22120 (expand_call_inline): Likewise.
22122 (tree_function_versioning): New parameter "update_clones".
22123 (inlining_p): Kill saving.
22124 * tree-inline.h (tree_function_versioning): Update prototype.
22125 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22128 2006-01-11 Ian Lance Taylor <ian@airs.com>
22130 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22131 Allow undoing set of machine mode.
22132 (do_SUBST): Use enums instead of is_int.
22133 (do_SUBST_MODE): New function.
22134 (SUBST_MODE): New macro.
22135 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22136 reg and trying to replace reg_regno_rtx with a new register.
22137 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22138 (simplify_set): Use SUBST_MODE.
22139 (distribute_notes): Remove code that tried to update reg notes
22140 for regno_reg_rtx changes.
22142 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22144 PR tree-optimization/23109
22145 PR tree-optimization/23948
22146 PR tree-optimization/24123
22148 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22149 * tree-cfg.c (single_noncomplex_succ): New.
22150 * tree-flow.h (single_noncomplex_succ): Declare it.
22151 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22152 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22153 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22154 insert_bb, register_division_in, insert_reciprocals,
22155 replace_reciprocal, free_bb): New.
22156 (execute_cse_reciprocals_1): Rewritten.
22157 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22158 Do not commit any edge insertion. Always compute dominators and
22159 create the allocation pool.
22160 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22161 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22162 * targhooks.c (default_min_divistions_for_recip_mul): New.
22163 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22164 * passes.c (init_optimization_passes): Run recip after tree loop
22166 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22168 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22169 Kenneth Zadeck <zadeck@naturalbridge.com>
22171 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22172 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22173 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22174 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22175 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22176 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22177 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22178 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22179 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22180 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22181 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22182 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22183 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22184 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22185 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22186 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22187 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22188 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22189 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22190 DF_SCAN_POST_ALLOC): New macros.
22191 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22192 df_free_bb_function, df_local_compute_function, df_init_function,
22193 df_dataflow_function, df_confluence_function_0,
22194 df_confluence_function_n, df_transfer_function,
22195 df_finalizer_function, df_free_function, df_dump_problem_function,
22196 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22197 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22198 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22199 df_urec_bb_info, ) New types.
22200 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22202 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22203 df_analyze_simple_change_some_blocks,
22204 df_analyze_simple_change_one_block, df_compact_blocks,
22205 df_bb_replace, df_bb_regno_last_use_find,
22206 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22207 df_insn_regno_def_p, df_find_def, df_find_use,
22208 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22209 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22210 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22211 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22212 debug_df_chain, df_get_dependent_problem, df_chain_create,
22213 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22214 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22215 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22216 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22217 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22218 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22219 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22220 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22221 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22222 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22223 df_reorganize_refs, df_set_state, df_hard_reg_init,
22224 df_read_modify_subreg_p) New public functions.
22225 * df-core.c: The core dataflow solver and glue routines for rtl
22227 (df_init, df_add_problem, df_set_blocks, df_finish,
22228 df_hybrid_search_forward, df_hybrid_search_backward,
22229 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22230 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22231 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22232 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22233 df_reg_defined, df_find_use, df_reg_used, df_dump,
22234 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22235 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22236 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22237 debug_df_useno, reset_df_after_reload): New functions.
22238 * df-scan.c: The scanning fuctions, once in df.c, completely
22239 rewritten so that they now fully model the functionality of
22240 register usage at the backend.
22241 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22242 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22243 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22244 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22245 df_get_artificial_defs, df_get_artificial_uses,
22246 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22247 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22248 df_refs_delete, df_reorganize_refs, df_set_state,
22249 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22250 df_def_record_1, df_defs_record, df_uses_record,
22251 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22252 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22253 df_record_exit_block_uses, df_hard_reg_init): New functions.
22255 * df-problems.c: Seven concrete dataflow problems that use the
22256 scanning in df-scan.c and are solved by the engine in df-core.c.
22257 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22258 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22259 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22260 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22261 df_ru_free_bb_info, df_ru_alloc,
22262 df_ru_bb_local_compute_process_def,
22263 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22264 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22265 df_ru_transfer_function, df_ru_free, df_ru_dump,
22266 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22267 df_rd_free_bb_info, df_rd_alloc,
22268 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22269 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22270 df_rd_transfer_function, df_rd_free, df_rd_dump,
22271 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22272 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22273 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22274 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22275 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22276 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22277 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22278 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22279 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22280 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22281 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22282 df_urec_mark_reg_use_for_earlyclobber,
22283 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22284 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22285 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22286 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22287 df_chain_create_bb_process_use, df_chain_create_bb,
22288 df_chain_finalize, df_chain_free, df_chains_dump,
22289 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22290 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22291 df_reg_lifetime): New functions.
22292 * df.c: Deleted file.
22293 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22294 consistent with new df api.
22295 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22296 rest_of_handle_sms): Ditto.
22297 * web.c (unionfind_union, union_defs, entry_register, web_main):
22299 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22300 invariant_expr_equal_p, find_defs, check_dependencies,
22301 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22302 free_inv_motion_data, move_loop_invariants): Ditto.
22303 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22304 Update dependencies.
22305 (odf.c): Added defective entry that was deleted later in day.
22306 * sched-deps.c (sched_analyze_1): Ditto.
22308 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22310 * tree-ssa-operands.c (get_expr_operands): Record addressable
22311 variables directly. Do not call add_stmt_operands for CONST_DECLs
22313 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22314 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22316 2006-01-11 Ben Elliston <bje@au.ibm.com>
22318 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22319 function returns true in the positive case.
22321 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22324 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22325 for SI, DI, SF and DF modes. Add alternatives to copy between
22326 general and floating point registers to the 32-bit patterns.
22327 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22328 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22329 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22330 generating 64-bit code.
22331 * config/pa/pa.c (output_move_double): Handle copies between general
22332 and floating registers.
22334 2006-01-10 Stuart Hastings <stuart@apple.com>
22336 * config/i386/i386.md (set_got): Update.
22337 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22338 (builtin_setjmp_receiver): Mach-O support.
22339 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22340 (GOT_SYMBOL_NAME): Define.
22341 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22342 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22343 * config/i386/i386.c (override_options): Revise for Darwin.
22344 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22345 support. (darwin_x86_file_end): New. (output_set_got): Add label
22346 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22347 * config/i386/i386-protos.h (output_set_got): Likewise.
22348 * config/darwin.c (machopic_legitimize_pic_address): Update
22351 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22353 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22354 when MODE isn't BLKmode.
22356 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22358 PR rtl-optimization/25367
22359 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22361 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22364 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22365 for a negative bound.
22367 2006-01-10 Richard Guenther <rguenther@suse.de>
22369 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22370 Never override with anything constraint.
22372 2006-01-10 Jan Beulich <jbeulich@novell.com>
22374 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22375 256 bits when optimize_size.
22377 2006-01-10 Jan Beulich <jbeulich@novell.com>
22379 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22381 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22382 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22385 2006-01-10 Ben Elliston <bje@au.ibm.com>
22387 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22389 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22390 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22391 (USE_FP_FOR_ARG): Reject decimal float modes.
22392 (function_arg_advance): Likewise.
22393 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22394 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22395 point types in AltiVec vectors.
22396 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22397 (rs6000_libcall_value): Likewise.
22399 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22401 * config/xtensa/ieee754-df.S: New file.
22402 * config/xtensa/ieee754-sf.S: New file.
22403 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22404 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22405 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22407 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22409 * config/sh/predicates.md (binary_float_operator,
22410 binary_logical_operator, commutative_float_operator,
22411 equality_comparison_operator, greater_comparison_operator,
22412 less_comparison_operator, logical_operator,
22413 noncommutative_float_operator, shift_operator,
22414 symbol_ref_operand, unary_float_operator): Remove redundant
22417 2006-01-09 Jeff Law <law@redhat.com>
22419 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22420 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22421 now unused arguments. Callers updated.
22422 (eliminate_redundant_computations): Remove now unused arguments,
22424 (local_fold): Remove, no longer used.
22425 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22427 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22428 (simplify_cond): New function.
22429 (forward_propagate_into_cond): Call simplify_cond.
22431 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22433 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22434 (*vec_extractv2di_1_sse): New.
22436 2006-01-09 Ben Elliston <bje@au.ibm.com>
22438 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22440 2006-01-08 Richard Guenther <rguenther@suse.de>
22442 * tree-ssa-structalias.c (get_constraint_for): Remove
22443 anyoffset argument.
22444 (get_constraint_for_component_ref): Likewise.
22445 (do_deref): Likewise.
22446 (get_constraint_for): Likewise.
22447 (do_structure_copy): Likewise.
22448 (handle_ptr_arith): Likewise.
22449 (find_func_aliases): Likewise. Remove unused need_anyoffset
22452 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22453 Kaz Kojima <kkojima@gcc.gnu.org>
22455 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22456 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22457 (EXTRA_CONSTRAINT_C16): Remove.
22458 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22459 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22460 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22461 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22462 constants of SHmedia. Handle nested constant expressions of
22464 (andcosts): Fix the costs for SHmedia constants.
22465 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22466 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22467 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22468 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22469 (movv4hi_i, movv2si_i): Likewise.
22470 (movsi_const): Adjust the second operand of ior so to match with
22471 the Csu constraint.
22472 (movdi_const, movdi_const_32bit): Likewise.
22473 (movdi_const_16bit+1): Don't sign-extend LOW.
22474 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22476 (*double_shori): Fix the split condition. Use GEN_INT instead
22477 of get_int_mode calls. Mask lower 16-bit of the argument of
22479 (sym2GOTPLT): Remove.
22480 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22482 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22483 instead of EXTRA_CONSTRAINT_C16.
22485 2006-01-07 Ian Lance Taylor <ian@airs.com>
22486 David Edelsohn <edelsohn@gnu.org>
22488 PR rtl-optimization/25662
22489 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22490 for constant operands instead of simplify_gen_binary.
22491 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22492 after trying simplify_binary_operation
22494 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22496 * tree.c (iterative_hash_expr): Hash decls based on UID.
22498 2006-01-06 Eric Christopher <echristo@apple.com>
22500 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22501 (TARGET_UNWIND_EMIT): Fix spelling.
22502 * target.h (gcc_target): Add except_table_label.
22503 * except.c (output_function_exception_table): Use.
22504 * varasm.c (default_emit_except_table_label): New.
22505 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22507 (asm_out): Add here.
22508 * output.h (default_emit_except_table_label): Prototype.
22509 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22510 * config/darwin.c (darwin_emit_except_table_label): Define.
22511 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22513 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22515 PR tree-optimization/18527
22516 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22517 number_of_iterations_special, number_of_iterations_exit):
22518 Move base and step of an iv to a single structure. Add
22519 no_overflow flag, and use it in # of iterations analysis.
22520 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22521 folded_casts argument.
22522 (simple_iv): Pass base and step in a structure. Set no_overflow
22524 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22525 Evaluate expensiveness of computing # of iterations instead of
22526 the final expression.
22527 * tree-scalar-evolution.h (affine_iv): New structure.
22528 (simple_iv): Declaration changed.
22529 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22530 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22531 find_givs_in_stmt): Changed due to simple_iv change.
22533 2006-01-06 Jeff Law <law@redhat.com>
22536 * tree-cfg.c (bsi_replace): Rename final argument from
22537 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22538 change (stmt -> orig_stmt).
22539 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22540 (bsi_remove): Add new argument. Remove EH information
22542 (verify_eh_throw_table_statements): New function.
22543 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22545 * tree-optimize.c (execute_free_cfg_annotations): Verify
22546 the EH throw statement table after removing annotations.
22547 * except.h (verify_eh_throw_table_statements): Prototype.
22548 * tree-flow.h (bsi_remove): Update prototype.
22549 * tree-vrp.c (remove_range_assertions): Add new argument to
22551 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22552 * tree-complex.c (expand_complex_div_wide): Likewise.
22553 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22554 * tree-tailcall.c (eliminate_tailcall): Likewise.
22555 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22556 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22557 * tree-nrv.c (tree_nrv): Likewise.
22558 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22559 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22560 (combine_blocks): Likewise.
22561 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22562 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22563 (cleanup_control_flow): Likewise.
22564 (remove_forwarder_block): Likewise.
22565 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22566 * tree-sra.c (sra_replace): Likewise.
22567 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22568 (forward_propagate_single_use_vars): Likewise.
22569 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22570 * tree-inline.c (expand_call_inline): Likewise.
22571 * tree-vect-transform.c (vect_transform_loop): Likewise.
22572 * tree-outof-ssa.c (rewrite_trees): Likewise.
22573 * tree-cfg.c (make_goto_expr_edges): Likewise.
22574 (cleanup_dead_labels): Likewise.
22575 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22576 (bsi_move_before, bsi_move_after): Likewise.
22577 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22578 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22580 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22583 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22585 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22586 on non gimple variables. Also add checks at the top for decls and
22588 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22590 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22591 and IMAGPART_EXPR for creating MUST_DEFs.
22592 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22593 and NAME_MEMORY_TAG separately from the DECLs.
22595 2006-01-06 Richard Guenther <rguenther@suse.de>
22597 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22598 annotation, if necessary.
22599 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22600 redundant calls to update_stmt.
22601 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22604 2006-01-05 Richard Henderson <rth@redhat.com>
22606 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22608 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22610 * c-typeck.c: Update copyright date.
22612 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22614 * c-typeck.c (build_c_cast): Always warn when casting
22615 from a pointer to an integer of different size, even if
22616 the node was constant.
22618 2006-01-05 Richard Guenther <rguenther@suse.de>
22620 PR tree-optimization/22555
22621 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22622 if one structure field is an array.
22623 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22624 operands even if we found a subvar, but ignore VOPs in this
22626 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22628 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22630 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22632 PR middle-end/24998
22633 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22635 2006-01-05 Richard Guenther <rguenther@suse.de>
22636 Diego Novillo <dnovillo@redhat.com>
22638 * tree-pass.h (TODO_remove_unused_locals): Define.
22639 * gimple-low.c (expand_var_p, remove_useless_vars,
22640 pass_remove_useless_vars): Remove. Update all users.
22641 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22642 (remove_unused_locals): New function.
22643 * tree-flow.h (remove_unused_locals): Declare.
22644 * passes.c (execute_todo): Call remove_unused_locals if
22645 TODO_remove_unused_locals is set.
22646 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22647 * tree-ssa-dce.c (pass_dce): Likewise.
22648 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22650 2006-01-05 Richard Guenther <rguenther@suse.de>
22652 * tree-flow.h (struct fieldoff): Decompose field to
22653 type, size and decl.
22654 * tree-ssa-alias.c (create_sft): Take type as parameter.
22655 (create_overlap_variables_for): Store type, size and decl
22656 in the fieldoff structure.
22657 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22658 of struct fieldoff.
22659 (push_fields_onto_fieldstack): Likewise.
22660 (create_variable_info_for): Likewise. Use offset for the
22661 SFT name if the decl is not available.
22663 2006-01-04 Paul Brook <paul@codesourcery.com>
22665 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22667 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22669 * lambda-code.c (can_put_in_inner_loop): Relax
22671 (can_put_after_inner_loop): New function.
22672 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22673 (perfect_nestify): Change to make copies and modify uses.
22675 2006-01-04 Richard Henderson <rth@redhat.com>
22677 Merge from gomp branch:
22678 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22679 via integer constant.
22680 (pragma_lex): Remove.
22681 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22682 rather than parsing it.
22683 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22684 handle_pragma_extern_prefix): Add %< %> quotes.
22685 (registered_pragmas): New.
22686 (c_register_pragma_1): New.
22687 (c_register_pragma): Use it.
22688 (c_register_pragma_with_expansion): Likewise.
22689 (c_invoke_pragma_handler): New.
22690 (init_pragma): Use cpp_register_deferred_pragma directly for
22692 * c-pragma.h (enum pragma_kind): New.
22693 (pragma_handler): New.
22694 (c_invoke_pragma_handler): Declare.
22695 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22697 * c-common.h (c_common_pch_pragma): Update decl.
22698 * Makefile.in (c-parser.o): Update dependencies.
22699 (GTFILES): Add c-pragma.h.
22700 * c-parser.c (struct c_token): Add pragma_kind.
22701 (struct c_parser): Add in_pragma.
22702 (c_lex_one_token): Always initialize keyword and pragma_kind.
22703 Extract data for CPP_PRAGMA.
22704 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22705 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22706 Don't allow CPP_PRAGMA_EOL if in_pragma.
22707 (c_parser_consume_pragma): New.
22708 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22709 (c_parser_skip_to_end_of_parameter): Likewise.
22710 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22711 (c_parser_skip_to_pragma_eol): New.
22712 (c_parser_external_declaration): Handle CPP_PRAGMA.
22713 (c_parser_compound_statement_nostart): Likewise.
22714 (c_parser_statement_after_labels): Likewise.
22715 (c_parser_pragma): New.
22716 (pragma_lex): Likewise.
22717 (c_parser_pragma_pch_preprocess): New.
22718 (c_parser_new): Merge into ...
22719 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22721 2006-01-04 Jeff Law <law@redhat.com>
22724 * tree-cfg.c (bsi_replace): Remove the original statement
22725 from the EH throw statement table.
22727 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22729 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22730 make the prototype extern "C" and add throw ().
22733 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22734 and pos non-negative and pos + len <= 32.
22735 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22736 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22737 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22740 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22741 as well as sizes not multiple of component size.
22744 * function.c (instantiate_expr): New function.
22745 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22746 walk its DECL_VALUE_EXPR with instantiate_expr.
22748 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22749 DW_OP_deref{,_size} if address isn't going to be added.
22751 2006-01-04 Ben Elliston <bje@au.ibm.com>
22753 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22754 * config/fp-bit.c: Likewise.
22756 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22758 * dominance.c: Add comment about why we use DFS numbering
22761 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22762 Richard Henderson <rth@redhat.com>
22764 Merge from gomp-branch:
22765 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22766 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22768 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22770 PR rtl-optimization/25578
22771 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22772 pass a parameter to simplify_shift_const if changing ASHIFTRT
22775 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22777 * builtins.c (get_builtin_sync_mem): New function.
22778 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22779 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22780 Call get_builtin_sync_mem to generate mem rtx.
22782 2006-01-03 Richard Guenther <rguenther@suse.de>
22785 * stmt.c (add_case_node): Make sure to clear overflow flags
22788 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22790 Merge from gomp-branch.
22791 * config/sparc/sync.md: New file.
22792 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22793 UNSPECV_LDSTUB): New constants.
22794 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22795 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22796 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22799 2006-01-03 Roger Sayle <roger@eyesopen.com>
22801 * combine.c (reg_subword_p): New predicate to test whether the
22802 destination of a set refers to a subword/piece of a register.
22803 (try_combine): Generalize the code to merge the setting of a
22804 pseudo to a constant followed by a set of a subword of that
22805 register to a constant.
22807 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22809 * basic-block.h (control_flow_graph): Change the type of
22810 x_label_to_block_map to VEC(basic_block,gc) *.
22811 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22812 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22814 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22815 VEC(basic_block,heap) *.
22816 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22817 ssa_prop_fini): Adjust the uses of cfg_blocks.
22819 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22821 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22823 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22824 hashing trees instead of a pointer hash.
22825 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22826 compare for MEM_EXPR.
22828 PR rtl-optimization/25130
22829 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22830 when comparing MEMs for GCSE
22832 2006-01-03 Ben Elliston <bje@au.ibm.com>
22834 * targhooks.h (default_decimal_float_supported_p): Declare.
22835 * targhooks.c (default_decimal_float_supported_p): Define.
22836 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22837 `default_decimal_float_supported_p'.
22838 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22840 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22842 * combine.c (apply_distributive_law <SUBREG>): Check
22843 TRULY_NOOP_TRUNCATION.
22845 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22847 * dwarf2out.c (have_switched_text_section): Delete.
22848 (have_multiple_function_sections): New.
22849 (have_location_lists): Make 'bool'.
22850 (add_AT_loc_list): Use 'true' not '1'.
22851 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22852 (output_loc_list): Use have_multiple_function_sections.
22853 (output_ranges): Likewise.
22854 (dwarf2out_begin_function): Set have_multiple_function_sections if
22856 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22857 Check function_section rather than DECL_SECTION_NAME.
22858 (dwarf2out_finish): Use have_multiple_function_sections.
22859 Don't clear have_location_lists.
22861 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22862 Jan Hubicka <jh@suse.cz>
22864 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22865 case of conditional jump jumping to the next instruction.
22866 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22867 cases of conditional jump jumping to the next instruction.
22869 2006-01-02 Jan Hubicka <jh@suse.cz>
22871 * i386.c (*_cost): Add COSTS_N_INSNS.
22872 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22874 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22877 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22879 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22881 * config/arm/arm.c (all_fpus): Fix comment typo.
22882 * config/darwin.c: Likewise.
22883 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22884 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22885 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22887 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22889 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22890 (rs6000_split_compare_and_swapqhi): New.
22891 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22892 (sync_compare_and_swapqhi_internal): New.
22893 * config/rs6000/rs6000-protos.h: Declare.