1 2006-12-12 Ira Rosen <irar@il.ibm.com>
3 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
5 * tree-vect-transform.c (vect_permute_store_chain): Create
6 interleave_high or interleave_low according to the endianess.
8 2006-12-12 Richard Guenther <rguenther@suse.de>
11 * fold-const.c (fold_read_from_constant_string): Only fold read
12 from constant string if the result type is integer.
14 2006-12-12 Olivier Hainque <hainque@adacore.com>
16 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
18 2006-12-12 Olivier Hainque <hainque@adacore.com>
20 * config/vxlib.c: Extract tls related routines into ...
21 * config/vxlib-tls.c: New file.
22 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
24 2006-12-12 Sa Liu <saliu@de.ibm.com>
25 Ben Elliston <bje@au.ibm.com>
27 * config/spu/spu.opt (mfixed-range): New option.
28 * config/spu/spu.h (spu_fixed_range_string): Declare.
29 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
30 (fix_range): New function.
31 * doc/invoke.texi (SPU Options): Document -mfixed-range.
32 * testsuite/gcc.target/spu/fixed-range.c: New.
33 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
35 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
39 * cgraphunit.c (cgraph_optimize): Remove call to
40 process_pending_assemble_externals.
42 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
44 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
46 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
47 (ia64_hpux_add_extern_decl): Removed.
48 (ia64_hpux_file_end): Likewise.
49 (extern_func_list): Likewise.
50 (extern_func_head): Likewise.
52 * output.h (assemble_external): Update comments.
53 (default_elf_asm_output_external): New.
54 (maybe_assemble_visibility): New.
56 * toplev.c (compile_file): Update comment.
58 * varasm.c (assemble_external): Always put it on
59 pending_assemble_externals.
60 (maybe_assemble_visibility): Make it extern and return int.
61 (default_elf_asm_output_external): New.
63 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
65 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
66 can't handle the pointer arithmetic.
68 2006-12-11 Diego Novillo <dnovillo@redhat.com>
70 * doc/tree-ssa.texi: Update documentation for virtual operands
71 and the use of push_stmt_changes/pop_stmt_changes.
72 * doc/invoke.texi: Remove documentation for params
74 Update documentation on max-aliased-vops.
76 * tree-into-ssa.c: Cleanup comments, variables and
77 spacing in various functions.
78 (regs_to_rename): Declare.
79 (mem_syms_to_rename): Declare.
80 (dump_update_ssa): Declare.
81 (debug_update_ssa): Declare.
82 (dump_names_replaced_by): Declare.
83 (debug_names_replaced_by): Declare.
84 (dump_def_blocks): Declare.
85 (debug_def_blocks): Declare.
86 (dump_defs_stack): Declare.
87 (debug_defs_stack): Declare.
88 (dump_currdefs): Declare.
89 (debug_currdefs): Declare.
90 (mark_def_sites): Do not handle virtual operands.
91 (compute_idf): Rename from find_idf. Update users.
92 (register_new_def): Make local. Convert second argument
94 Use BLOCK_DEFS_STACK directly.
95 If pushing a non-register, also push the underlying
97 (rewrite_stmt): Do not handle virtual operands.
98 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
99 dump_currdefs and dump_tree_ssa_stats.
100 (dump_tree_ssa_stats): Also dump REPL_TBL.
101 (replace_use): Remove. Update all users to call SET_USE
103 (rewrite_blocks): Move code to free memory to
105 (mark_def_site_blocks): Move initialization code to
107 (init_ssa_renamer): New.
108 (fini_ssa_renamer): New.
109 (rewrite_into_ssa): Call them.
110 (prepare_block_for_update): Process SSA_OP_ALL_USES first
111 and SSA_OP_ALL_DEFS later. Do not process virtual
113 (dump_update_ssa): Call dump_decl_set.
114 (init_update_ssa): Initialize regs_to_rename and
116 Call init_ssa_renamer.
117 (delete_update_ssa): Call fini_ssa_renamer.
118 Free blocks_with_phis_to_rewrite.
119 (mark_sym_for_renaming): If the variable has
120 sub-variables, also mark them.
121 If the variable belongs to a partition, also mark it.
122 (mark_set_for_renaming): Call mark_sym_for_renaming on
123 every symbol in the set.
124 (switch_virtuals_to_full_rewrite): Call
125 mark_set_for_renaming.
126 (update_ssa): Separate syms_to_rename into regs_to_rename
127 and mem_syms_to_rename.
129 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
130 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
131 (debug_generic_stmt): Likewise.
132 (debug_tree_chain): Likewise.
134 (dump_generic_node): Check for TDF_MEMSYMS.
135 Handle MEMORY_PARTITION_TAG.
136 If the statement references memory and TDF_MEMSYMS is
137 given, call dump_symbols.
138 Indicate default names with (D).
139 (dump_vops): Update for new virtual operator format.
141 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
142 tree_contains_struct.
143 (tree_code_size): Handle MEMORY_PARTITION_TAG.
144 (tree_node_structure): Likewise.
145 (needs_to_live_in_memory): Handle SSA names.
146 * tree.h (MTAG_P): Likewise.
147 (struct tree_memory_partition_tag): Declare.
148 (MPT_SYMBOLS): Define.
149 (union tree_node): Add field 'mpt'.
150 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
151 * tree.def (MEMORY_PARTITION_TAG): Define.
153 * tree-pass.h (TDF_MEMSYMS): Define.
155 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
157 * tree-ssa-alias.c: Include pointer-set.h
158 (struct alias_map_d): Remove fields total_alias_vops,
159 grouped_p and may_aliases. Update all users.
160 (struct mp_info_def): Declare.
161 (mp_info_t): New type.
162 (get_smt_for): Rename from get_tmt_for. Update all
164 (add_may_alias): Add argument ALREADY_ADDED. If given,
165 use it to avoid adding duplicate entries to alias sets.
166 (replace_may_alias): Remove. Update all users.
167 (total_alias_vops_cmp): Remove. Update all users.
168 (group_aliases_into): Remove. Update all users.
169 (tree_pointer_compare): Remove. Update all users.
170 (compact_name_tags): Remove. Update all users.
171 (group_aliases): Remove. Update all users.
172 (mark_non_addressable): Move from tree-flow-inline.h.
173 Remove the symbol from the partition holding it, if
176 (debug_mp_info): New.
178 (create_partition_for): New.
179 (rewrite_alias_set_for): New.
180 (compute_memory_partitions): New.
181 (compute_may_aliases): Call it.
182 (init_alias_info): If computing aliases for the first
183 time, mark every memory symbol for renaming.
184 (have_common_aliases_p): New.
185 (compute_flow_insensitive_aliasing): Call it.
186 (setup_pointers_and_addressables): Do not cache
188 For register promoted symbols, mark their former
189 partition for renaming.
190 (maybe_create_global_var): Only create .GLOBAL_VAR if
191 there are no call-clobbered variables and a mix of pure
192 and non-pure functions were found.
193 (may_alias_p): Tidy comments.
194 (create_tag_raw): Remove unused variable new_type.
195 (dump_alias_info): call dump_memory_partitions.
196 (dump_points_to_info_for): Call dump_decl_set.
197 (may_be_aliased): Tidy comments and formatting.
199 * timevar.def (TV_MEMORY_PARTITIONING): Define.
200 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
201 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
203 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
204 * tree-vect-transform.c (vect_transform_loop): Call
205 mark_set_for_renaming with vect_memsyms_to_rename.
206 * tree-flow-inline.h (zero_imm_uses_p): New.
207 (memory_partition): New.
208 (set_memory_partition): New.
209 (factoring_name_p): New.
210 (symbol_mem_tag): New. Update every function that used
211 to access the annotation directly.
212 (set_symbol_mem_tag): Likewise.
214 * tree-ssa-copy.c (may_propagate_copy): Allow copies
215 between a partition and a symbol as long as the symbol
216 belongs to the partition.
217 (merge_alias_info): Ignore merge requests when memory
218 partitions are involved.
220 * tree-ssa.c (verify_ssa_name): Check that default
221 definitions have empty defining statements.
222 (verify_use): Remove argument IS_VIRTUAL.
223 Don't call verify_ssa_name.
224 (verify_phi_args): Call verify_ssa_name.
225 (verify_flow_insensitive_alias_info): Handle MPTs.
226 (verify_flow_sensitive_alias_info): Likewise.
227 (verify_name_tags): Likewise.
228 (verify_call_clobbering): Likewise.
229 (verify_ssa): Check for VOPs only after aliasing
230 information is available.
231 Check virtuals and real operands separately.
232 Call verify_ssa_name on every operand.
233 (stmt_references_memory_p): Move to tree-ssa-operands.c.
234 (walk_use_def_chains_1): Guard against NULL PHI
237 * tree-ssa-operands.c (stmt_references_memory_p): Move from
240 (dump_memory_partitions): New.
241 (debug_memory_partitions): New.
243 * tree-flow.h (struct var_ann_d): Add field mpt.
244 (struct stmt_ann_d): Add bitfield references_memory.
245 * Makefile.in (tree-ssa-structalias.o): Include
247 (tree-ssa-alias.o): Likewise.
248 * tree-ssa-structalias.c: (update_alias_info): Use
249 STORED_SYMS to determine which variables are being
250 written to by the store operation.
251 * tree-ssa-structalias.h (struct alias_info)
252 <total_alias_vops>: Remove. Update all users.
253 <written_vars>: Change to a pointer set. Update all
255 <dereferenced_ptrs_store>: Likewise.
256 <dereferenced_ptrs_load>: Likewise.
257 (NUM_REFERENCES): Remove. Update all users.
258 (NUM_REFERENCES_CLEAR): Remove. Update all users.
259 (NUM_REFERENCES_INC): Remove. Update all users.
260 (NUM_REFERENCES_SET): Remove. Update all users.
262 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
264 (PARAM_MAX_ALIASED_VOPS): Set to 10.
265 * tree-ssanames.c (make_ssa_name): Initialize
266 SSA_NAME_IS_DEFAULT_DEF to 0.
268 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
270 * tree-ssa-dse.c (aggregate_vardecl_d): New.
271 (dse_global_data): Add aggregate_vardecl field.
272 (dse_possible_dead_store_p): New.
273 Add prev_defvar variable.
274 Allow immediate uses and previous immediate uses to differ
275 if they are setting different parts of the whole.
276 (get_aggregate_vardecl): New.
277 (dse_record_partial_aggregate_store): New.
278 (dse_whole_aggregate_clobbered_p): New.
279 (dse_partial_kill_p): New.
280 (dse_optimize_stmt): Abstract code checking a possible dead store
281 into new function dse_possible_dead_store_p().
282 Call dse_maybe_record_aggregate_store().
283 When checking whether a STMT and its USE_STMT refer to the
284 same memory address, check also for partial kills that clobber
286 Move some variable definitions to the block where they are used.
287 (aggregate_vardecl_hash): New.
288 (aggregate_vardecl_eq): New.
289 (aggregate_vardecl_free): New.
290 (aggregate_whole_store_p): New.
291 (tree_ssa_dse): Initialize and free aggregate_vardecl.
292 Mark which aggregate stores we care about.
294 2006-12-11 Andrew Macleod <amacleod@redhat.com>
296 * tree-ssa-operands.h (struct vuse_element_d): Declare.
297 (vuse_element_t): Declare.
298 (struct vuse_vec_d): Declare.
299 (vuse_vec_p): Declare.
300 (VUSE_VECT_NUM_ELEM): Define.
301 (VUSE_VECT_ELEMENT_NC): Define.
302 (VUSE_ELEMENT_PTR_NC): Define.
303 (VUSE_ELEMENT_VAR_NC): Define.
304 (VUSE_VECT_ELEMENT): Define.
305 (VUSE_ELEMENT_PTR): Define.
306 (VUSE_ELEMENT_VAR): Define.
307 (struct maydef_optype_d) <use_var>: Remove.
310 (struct vuse_optype_d) <kill_var>: Remove.
313 (struct mustdef_optype_d) <kill_var>: Remove.
316 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
317 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
320 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
321 (MAYDEF_OP): Add argument. Use VUSE_OP.
322 (MAYDEF_NUM): Define.
323 (MAYDEF_VECT): Define.
324 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
325 (MUSTDEF_KILL): Use VUSE_OP.
326 (MUSTDEF_NUM): Define.
327 (MUSTDEF_VECT): Define.
328 (realloc_maydef): Declare.
329 (realloc_vuse): Declare.
330 (struct ssa_operand_iterator_d) <vuse_index>: Add.
332 (LOADED_SYMS): Define.
333 (STORED_SYMS): Define.
334 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
335 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
337 * tree-pretty-print.c: Likewise.
338 * tree-ssa-dse.c: Likewise.
339 * tree-flow-inline.h: Likewise.
340 (op_iter_next_mustdef): New.
341 * tree-ssa-operands.c: Likewise.
342 (ALLOC_OPTYPE): Remove.
348 (alloc_mustdef): New.
349 (realloc_maydef): New.
352 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
354 * tree-ssa-operands.c: Remove build_v_must_defs.
355 (init_ssa_operands): Delete build_v_must_defs.
356 (finalize_ssa_v_must_def_ops): Remove.
357 (finalize_ssa_v_must_defs): Remove.
358 (finalize_ssa_stmt_operands): Do not call
359 finalize_ssa_v_must_defs.
360 (start_ssa_stmt_operands): Do not check build_v_must_defs.
361 (append_v_must_def): Delete.
362 (copy_virtual_operands): Do not copy V_MUST_DEFs.
363 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
364 comment. Remove opf_kill_def.
365 (build_ssa_operands): Remove references to v_must_defs.
366 (copy_virtual_operands): Same.
367 (copy_virtual_operands): Same.
368 (fini_ssa_operands): Same.
369 (free_ssa_operands): Same.
370 (add_mustdef_op): Remove.
371 Remove mustdef_optype_p.
372 (alloc_mustdef): Remove.
373 Remove references to V_MUST_DEFs in comment at top of file.
374 (get_expr_operands): Remove opf_kill_def.
375 (opf_kill_def): Remove.
376 (add_virtual_operand): Remove opf_kill_def.
377 (get_indirect_ref_operands): Same.
378 (get_tmr_operands): Same.
380 * tree-vectorizer.c (rename_variables_in_bb): Remove
383 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
385 (check_loop_closed_ssa_stmt): Same.
387 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
389 (verify_ssa): Remove V_MUST_DEFs traces.
390 (verify_ssa): Remove SSA_OP_ALL_KILLS.
392 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
394 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
395 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
397 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
399 (MUSTDEF_OPS): Remove.
400 (SSA_OP_VMUSTDEF): Remove.
401 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
402 (struct mustdef_optype_d): Remove.
403 Remove mustdef_optype_p.
404 (struct stmt_operands_d): Remove mustdef_ops.
405 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
406 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
407 (MUSTDEF_RESULT_PTR): Remove.
408 (MUSTDEF_RESULT): Remove.
409 (MUSTDEF_KILL_PTR): Remove.
410 (MUSTDEF_KILL): Remove.
411 (MUSTDEF_NUM): Remove.
412 (MUSTDEF_VECT): Remove.
413 (SSA_OP_VIRTUAL_KILLS): Remove.
414 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
415 (SSA_OP_VMUSTKILL): Remove.
416 (SSA_OP_ALL_KILLS): Remove.
417 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
419 * tree-flow-inline.h (op_iter_init_def): Remove
420 SSA_OP_VIRTUAL_KILLS.
421 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
423 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
424 SSA_OP_VIRTUAL_KILLS.
426 * tree-ssa-loop-im.c (determine_max_movement): Remove
427 SSA_OP_VIRTUAL_KILLS.
428 (gather_mem_refs_stmt): Same.
429 (gather_mem_refs_stmt): Same.
431 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
432 (perform_tree_ssa_dce): Remove call to
433 mark_really_necessary_kill_operand_phis.
435 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
437 (op_iter_next_use): Do not check mustkills.
438 (op_iter_next_def): Do not check mustdefs.
439 (op_iter_next_tree): Do not check mustkills or mustdefs.
440 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
441 (op_iter_next_maymustdef): Do not check mustkills.
442 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
443 (op_iter_init_mustdef): Remove.
445 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
448 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
450 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
451 (visit_assignment): Same.
453 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
455 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
457 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
459 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
460 Remove kill_p variable.
462 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
463 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
464 (collect_dfa_stats_r): Do not set num_v_must_defs.
465 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
468 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
471 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
472 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
474 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
477 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
479 PR rtl-optimization/30113
480 * loop-iv.c (implies_p): Require the mode of the operands to be
483 2006-12-11 Diego Novillo <dnovillo@redhat.com>
485 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
486 Rename from create_ssa_artficial_load_stmt. Update all users.
487 * tree-into-ssa.c (register_new_def): Make static.
488 * tree.c (is_global_var): Handle SSA_NAMEs.
489 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
490 that used to call gimple_default_def.
491 * tree-ssa-operands.c (push_stmt_changes): New.
492 (pop_stmt_changes): New. Update every pass that modifies
493 statements to bracket modifications with
494 push_stmt_changes/pop_stmt_changes.
495 (discard_stmt_changes): New.
496 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
497 'tree *' instead of 'tree'. Update all users.
498 * tree-flow-inline.h (zero_imm_uses_p): New.
499 (symbol_mem_tag): New. Update every function that used
500 to access the annotation directly.
501 (set_symbol_mem_tag): Likewise.
502 * tree-dfa.c (dump_variable): Always show the escape mask.
503 (mark_symbols_for_renaming): Rename from
504 mark_new_vars_to_rename. Update all users.
505 Only mark to rename naked symbols in real and virtual
508 2006-12-11 Andreas Schwab <schwab@suse.de>
510 * varasm.c (elf_record_gcc_switches): Cast second argument of
511 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
513 2006-12-11 Diego Novillo <dnovillo@redhat.com>
515 * tree-scalar-evolution.c (scev_const_prop):
516 * tree-phinodes.c (remove_phi_node): Add argument
517 RELEASE_LHS_P. If given, release the SSA name on the LHS of
520 * tree-ssa-dce.c: Remove forward declarations for static
521 functions. Re-arrange functions bodies as needed.
522 (find_obviously_necessary_stmts): Never mark PHI nodes as
525 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
527 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
529 2006-12-11 Jan Hubicka <jh@suse.cz>
531 * value-prof.c (tree_stringops_transform): New.
532 (tree_value_profile_transformations): Require count to be non-zero;
533 call stringop transform; reset stmt BSI after BB changed.
534 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
535 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
536 (tree_stringops_values_to_profile): New.
537 (tree_values_to_profile): Call tree_stringops_values_to_profile.
538 * tree.h (build_string_literal): Tidy prototype.
539 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
541 * builtins.c (validate_arglist, builtin_memset_read_str,
542 get_pointer_alignment): Export.
544 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
548 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
550 * config/i386/i386.opt: New target option -mx87regparm.
552 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
553 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
554 (X87_REGPARM_MAX): Define.
556 * config/i386/i386.c (override_options): Error out for
557 -mx87regparm but no 80387 support.
558 (ix86_attribute_table): Add x87regparm.
559 (ix86_handle_cconv_attribute): Update comments for x87regparm.
560 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
561 (ix86_function_x87regparm): New function.
562 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
564 (init_cumulative_args): Initialize x87_nregs and float_in_x87
566 (function_arg_advance): Process x87_nregs and x87_regno when
567 floating point argument is to be passed in 80387 register.
568 (function_arg): Pass XFmode arguments in 80387 registers for local
569 functions. Pass SFmode and DFmode arguments to local functions
570 in 80387 registers when flag_unsafe_math_optimizations is set.
572 * reg-stack.c (convert_regs_entry): Disable NaN load for
573 stack registers that are used for argument passing.
575 * doc/extend.texi: Document x87regparm function attribute.
576 * doc/invoke.texi: Document -mx87regparm.
578 2006-12-11 Jan Hubicka <jh@suse.cz>
580 Move all varpool routines out of cgraph/cgraphunit to varpool.c
581 * cgraph.c: Update comments.
582 (cgraph_varpool_hash,
583 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
584 cgraph_varpool_node_name, cgraph_varpool_node,
585 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
586 cgraph_variable_initializer_availability): Move to
587 varpool.c and drop cgraph_ prefixes.
588 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
589 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
590 move to varpool.c; drop cgraph_ prefix; make static.
591 (dump_cgraph_varpool_node): Move to varpool.c under name
593 (dump_varpool, hash_varpool_node, eq_varpool_node,
594 decide_is_variable_needed): Move to varpool.c
595 (decl_assembler_name_equal): Move to tree.c.
596 (availability_names): Rename to ...
597 (cgraph_availability_names): ... this one.
598 (dump_cgraph_node): Update.
599 * cgraph.h: Reorder declarations now in varpool.c
600 (cgraph_vailablity_names): Declare.
601 (struct cgraph_varpool_node): Rename to ...
602 (struct varpool_node): ... this one.
603 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
604 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
605 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
606 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
607 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
608 cgraph_variable_initializer_availability): Rename to ...
609 (varpool_first_unanalyzed_node, varpool_nodes_queue,
610 varpool_first_unanalyzed_node, varpool_node,
611 varpool_node_for_asm, varpool_mark_needed_node,
612 varpool_finalize_decl, varpool_enqueue_needed_node,
613 varpool_assemble_pending_decls, variable_initializer_availability):
615 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
616 * tree.h (decl_assembler_name_equal): Declare.
617 * omp-low.c (lower_omp_critical): Update.
618 * ipa-reference (analyze_variable, static_execute): Likewise.
619 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
620 * cgraphunit.c: Update comments.
621 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
622 varpool_assembled_nodes_queue.
623 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
624 varpool_analyze_pending_decls.
625 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
626 varpool_remove_unreferenced_decls.
627 (record_reference): Update.
628 (cgraph_create_edges): Update.
629 (record_referneces_in_initializer): New function.
630 (cgraph_varpool_assemble_decl): Move to varpool.c under name
631 varpool_assemble_decl; make global.
632 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
633 varpool_assemble_pending_decls.
634 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
635 struct cgraph_order_sort, cgraph_output_in_order,
636 cgraph_function_and_variable_invisibility, cgraph_optimize,
637 cgraph_increase_alignment): Update.
638 * dwarf2out.c (decls_for_scope): Likewise.
639 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
640 * except.c (output_ttype): Likewise.
641 * varasm.c (mark_decl_referenced): Likewise.
642 (find_decl_and_mark_referenced, assemble_alias): update.
643 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
644 * passes.c (rest_of_decl_compilation): Update.
646 2006-12-11 Ira Rosen <irar@il.ibm.com>
648 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
650 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
651 (vect_setup_realignment): Likewise.
653 2006-12-11 Sa Liu <saliu@de.ibm.com>
654 Ben Elliston <bje@au.ibm.com>
656 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
657 (ENDFILE_SPEC): Likewise.
658 * config/spu/spu.opt (mstdmain): New option.
659 * config/spu/crti.asm: Remove.
660 * config/spu/crtn.asm: Likewise.
661 * config/spu/crt0.c: Likewise.
662 * config/spu/crtend.c: Likewise.
663 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
665 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
666 * doc/invoke.texi (SPU Options): Document -mstdmain.
668 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
670 * doc/loop.texi: Document number_of_latch_executions and
671 number_of_cond_exit_executions.
672 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
673 chrec_is_positive, number_of_iterations_for_all_loops,
674 scev_const_prop): Use number_of_latch_executions.
675 (set_nb_iterations_in_loop): Do not increase the value of the
676 number of iterations.
677 (number_of_iterations_in_loop): Renamed to ...
678 (number_of_latch_executions): ... this.
679 (number_of_exit_cond_executions): New function.
680 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
682 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
683 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
684 number_of_latch_executions.
685 * tree-data-ref.c (get_number_of_iters_for_loop): Use
686 number_of_exit_cond_executions.
687 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
688 * cfgloop.h (struct loop): Improve description of the nb_iterations
691 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
693 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
694 (tree_pointer_compare): Remove.
696 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
698 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
699 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
700 * tree-loop-linear.c (linear_transform_loops): Ditto.
701 * tree-ssa-loop-im.c (determine_lsm): Ditto.
702 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
703 free_numbers_of_iterations_estimates): Ditto.
704 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
705 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
706 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
707 * modulo-sched.c (sms_schedule): Ditto.
708 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
709 tree_unroll_loops_completely): Ditto.
710 * predict.c (predict_loops): Ditto.
711 * tree-if-conv.c (main_tree_if_conversion): Ditto.
712 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
713 decide_unrolling_and_peeling): Ditto.
714 * cfgloopmanip.c (unloop): Use delete_loop.
715 (place_new_loop): Access larray vector instead of parray.
716 (create_preheaders, force_single_succ_latches,
717 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
718 * loop-doloop.c (doloop_optimize_loops): Ditto.
719 * loop-invariant.c (move_loop_invariants): Ditto.
720 * tree-cfg.c (replace_uses_by): Ditto.
721 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
722 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
724 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
726 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
727 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
728 get_loop and get_chrec_loop.
729 (number_of_iterations_for_all_loops): Use number_of_loops.
730 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
731 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
732 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
734 * tree-chrec.c (evolution_function_is_invariant_rec_p,
735 chrec_convert_1): Use get_loop and get_chrec_loop.
736 * loop-init.c (loop_optimizer_init): Use number_of_loops.
737 (loop_optimizer_init): Use FOR_EACH_LOOP.
738 * tree-vectorizer.c (vect_loops_num): Removed.
739 (vectorize_loops): Store number of loops locally. Use
740 FOR_EACH_LOOP and get_loop.
741 * tree-vectorizer.h (vect_loops_num): Removed.
742 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
743 (find_data_references_in_loop): Do not set parallel_p.
744 * tree-data-ref.h: Do not declare VEC(loop_p).
745 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
746 verify_loop_structure): Use FOR_EACH_LOOP.
747 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
748 (initialize_loops_parallel_p): Removed.
749 (flow_loops_find): Push the loops into a vector.
750 (delete_loop): New function.
751 (cancel_loop): Use delete_loop.
752 * cfgloop.h: Declare VEC(loop_p).
753 (struct loop): Remove parallel_p field.
754 (struct loops): Replace num and parray field by larray vector.
755 Remove shared_headers field.
756 (delete_loop): Declare.
757 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
759 * doc/loop.tex: Document new accessor functions.
761 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
763 * common.opt (-ftree-lrs): Remove live range splitting option.
764 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
765 * opts.c (decode_options): Remove flag_tree_live_range_split.
766 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
767 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
768 * tree-outof-ssa.c: Remove header files which aren't needed.
769 (SSANORM_*): Remove flags.
770 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
771 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
772 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
773 (assign_vars): Use Basevar instead of root_var structure.
774 (replace_def_variable): Dont do anything if def is replaceable.
775 (remove_ssa_form): Integrate functional changes.
776 (rewrite_out_of_ssa): Remove live-range_split option.
777 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
778 (coalesce_cost): Calculate the cost of a coalesce.
779 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
780 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
781 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
782 (pop_best_coalesce): Remove the best coalesce from the list.
783 (coalesce_pair_map_hash): Calculate coalesce pair hash.
784 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
785 (create_coalesce_list): Create a coalesce list object.
786 (delete_coalesce_list): Free a coalesce list object.
787 (find_coalesce_pair): Find matching pair in the coalesce list.
788 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
789 (add_coalesce): Add a coalesce to the coalesce list.
790 (compare_pairs): Comparision function to determine pair sorted order.
791 (num_coalesce_pairs): Number of coalesced pairs.
792 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
793 Coalesce pair iterator functions.
794 (sort_coalesce_list): Sort coalesce pairs in order of expense.
795 (dump_coalesce_list): Show coalesce list.
796 (ssa_conflicts_new): Create an SSA conflict graph.
797 (ssa_conflicts_delete): Delete an SSA conflict graph.
798 (ssa_conflicts_test_p): Test for conflicts.
799 (ssa_conflicts_add_one): Add a single conflict.
800 (ssa_conflicts_add): Add a conflict pair.
801 (ssa_conflicts_merge): Merge conflicts.
802 (struct live_track_d): Struct for tracking live partitions.
803 (new_live_track): Create new live_track object.
804 (delete_live_track): Delete a live_track object.
805 (live_track_remove_partition): Remove a partition from the live list.
806 (live_track_add_partition): Add a partition from the live list.
807 (live_track_clear_var): Take VAR from the live list.
808 (live_track_live_p): Is var live?
809 (live_track_process_use): Make var come alive.
810 (live_track_process_def): Make var go dead, add conflicts.
811 (live_track_init): Initialize to a live on exit set.
812 (live_track_clear_base_vars): Clear live partitions.
813 (build_ssa_conflict_graph): Build a conflict graph.
814 (print_exprs): Common debug output routine.
815 (abnormal_corrupt): Output info about a failed coalesce across an
817 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
818 (create_outofssa_var_map): Create a var map and coalesce list.
819 (attempt_coalesce): Coalesce a pair.
820 (coalesce_partitions): Coalesce all pairs in a coalesce list.
821 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
822 * tree-ssa-live.c: Remove header files which aren't needed.
823 (var_map_base_init): New. Initialize a basevar list.
824 (var_map_base_fini): New. Finish a basevar list.
825 (init_var_map): Initialize new fields.
826 (delete_var_map): Free new fields.
827 (var_union): Use renamed fields.
828 (compact_var_map): Remove.
829 (partition_to_view_init): Use renamed fields, change order of an if.
830 (partition_view_fini): Use renamed fields.
831 (partition_view_normal): Create basevar list if requested.
832 (partition_view_bitmap): Create a view based on a bitmap of partitions.
833 (change_partition_var): Use renamed fields.
834 (create_ssa_var_map): Remove.
835 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
836 root_var_init): Remove.
837 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
838 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
839 compare_pairs, num_coalesce_pairs, first_partition_pair,
840 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
841 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
842 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
843 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
844 (dump_var_map): Use renamed fields.
845 * tree-ssa-live.h (struct _var_map): Modify fields.
846 (partition_to_var, version_to_var, var_to_partition): Use renamed
848 (basevar_index): New. Index of the base variable of a partition.
849 (num_basevars): New. Number of unique base variables in partition map.
850 (register_ssa_partition): Use renamed fields.
851 (struct tree_partition_associator_d): Remove.
852 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
853 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
854 root_var, root_var_first_partition, root_var_next_partition,
855 root_var_dump, root_var_delete, root_var_remove_partition,
856 root_var_find, root_var_compact, root_var_decompact): Remove.
857 (struct partition_pair, struct coalesce_list_d): Moved to
859 * tree-ssa-ter.c: Remove header files which aren't needed.
861 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
863 * cse.c: (struct cse_basic_block_data): Remove LAST field.
864 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
866 (cse_visited_basic_blocks): New static bitmap.
867 (cse_end_of_basic_block, cse_basic_block): Remove.
868 (cse_find_path, cse_dump_path, cse_prescan_path,
869 cse_extended_basic_block): New static functions.
870 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
871 basic block boundaries. Don't record jump equivalences here.
872 Update the CFG after doing in-place replacement of the SET_SRC.
873 (cse_main): Rewrite. Look for extended basic block headers
874 and call cse_extended_basic_block on them until all paths that
875 start at this header are exhausted.
876 (rest_of_handle_cse): Verify that the CFG is incrementally updated
877 and correct after cse_main.
878 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
879 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
880 (pass_cse): Add TODO_verify_flow.
881 (pass_cse2): Likewise.
883 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
885 * reload1.c (choose_reload_regs): Don't set byte offset when
886 resolving subregs of hard regs.
888 2006-12-09 Zack Weinberg <zackw@panix.com>
890 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
891 suitable for the language, if set_yydebug is true.
892 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
893 YYDEBUG or declare yydebug.
894 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
896 2006-12-09 Jan Hubicka <jh@suse.cz>
898 * cgraph.c: Update copyright.
900 (cgraph_update_pending_function): Remove prototype.
901 * cgraphunit.c: Update copyright; update overall comment.
902 (cgraph_assemble_pending_functions): Make local.
904 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
906 * haifa-sched.c (schedule_block): Remove excessive sanity check.
908 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
910 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
912 (cpat_const_p, gen_cpat_const): Add.
913 * config/spu/spu.c (immediate_class): New enum.
914 (cpat_info, classify_immediate): New.
915 (print_operand): Use S, D, T instead of F, G, H. Use
916 classify_immediate. Handle cpat cases.
917 (spu_split_immediate): Renamed from spu_split_address. Split all
918 immediates that can be split.
919 (immediate_load_p): Use classify_immediate.
920 (spu_legitimate_constant_p): Accept everything except some cases of
922 (spu_expand_move): Use spu_split_immedate.
923 (fsmbi_const_p): Use classify_immediate.
925 (gen_cpat_const: New.
926 * config/spu/constraints.md (j,k,l): New constraints for cpat
928 * config/spu/spu.md (unnamed splitter): Change address splitter to
929 handle all immediates.
930 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
932 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
935 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
938 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
939 patterns. Correct length of high:DI instruction sequence.
941 2006-12-08 Mike Stump <mrs@apple.com>
943 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
944 libgcc with -mmacosx-version-min=10.4.
945 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
946 G4 for 10.5+ unless doing kernel builds.
948 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
951 * reg-stack.c (convert_regs_entry): Mark current argument passing
954 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
955 of float arguments in x87 registers.
957 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
959 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
961 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
963 * recog.c (mode_dependent_address_p): Identify pre-increment,
964 pre-decrement, post-increment and post-decrement addressing as always
965 being mode-dependent.
966 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
967 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
968 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
969 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
970 PRE_INC and POST_INC checks.
971 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
972 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
973 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
974 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
975 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
976 PRE_INC, POST_DEC and POST_INC cases.
977 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
978 Delete POST_INC and PRE_DEC cases.
979 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
981 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
982 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
984 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
985 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
986 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
987 PRE_INC and PRE_DEC cases.
988 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
989 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
990 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
991 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
992 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
993 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
994 auto-increment cases.
995 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
996 auto-increment cases.
997 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
999 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1001 * Makefile.in: Add new file tree-ssa-ter.c.
1002 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1003 free_temp_expr_table, add_value_to_version_list,
1004 add_value_to_partition_list, remove_value_from_partition_list,
1005 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1006 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1007 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1008 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1010 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1011 (struct value_expr_d): Remove.
1012 (struct temp_expr_table_d): Rename fields, add explicit vector of
1013 replaceable expressions instead of sharing. Change value_expr_p's to
1014 bitmap. Delete free_list.
1015 (new_temp_expr_table): Rename fields, count number of ssa_names in
1017 (free_temp_expr_table): Rename field, free new fields.
1018 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1019 add_info_to_list, remove_value_from_list): Delete.
1020 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1021 (make_dependent_on_partition): New. Set bit in version list, allocating
1022 a bitmap if need be.
1023 (add_to_partition_kill_list): New. Set bit in the partition list,
1024 allocating a bitmap if need be.
1025 (remove_from_partition_kill_list): New. Remove a bit from the
1026 partition list, free the bitmap if it is empty.
1027 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1028 on partitions with only one member.
1029 (is_replaceable_p): New. Split out replaceability check from
1031 (process_replaceable): New. Code split from check_replaceable.
1032 (check_replaceable): Removed.
1033 (finished_with_expr): Renamed from finish_expr.
1034 (kill_expr): Use renamed fields and less parameters.
1035 (kill_virtual_exprs): Less parameters.
1036 (mark_replaceable): Use renamed fields.
1037 (find_replaceable_in_bb): Use renamed fields, cleanup.
1038 (find_replaceable_exprs): Use renamed routines, cleanup.
1039 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1040 (debug_ter): New. Debug routine to dump state.
1042 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1044 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1045 anything involving the GOT.
1046 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1047 (trapping_loads_p): Look inside the pattern of an insn to find the
1049 * config/bfin/bfin.md (attr "type"): Add movcc.
1050 (insn_reservation "alu"): Likewise.
1051 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1053 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1055 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1056 (spu_resolve_overloaded_builtin): Check for non scalar instead
1057 of vector type and check the function call argument type also for
1059 Call build_function_call instead of spu_build_overload_builtin.
1061 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1063 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1064 to the calls of hwint_to_const_double.
1066 2006-12-07 Nick Clifton <nickc@redhat.com>
1068 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1069 elf_record_gcc_switches.
1071 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1073 * expr.c (string_constant): Account for non-zero lower bound arrays.
1075 2006-12-07 Richard Guenther <rguenther@suse.de>
1077 * builtins.c (expand_builtin_pow): Adjust predicates for
1078 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1081 2006-12-07 Jan Hubicka <jh@suse.cz>
1083 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1086 2006-12-07 Jan Hubicka <jh@suse.cz>
1088 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1089 use fold_constant_to_binary; tolerate wrong type constants.
1090 (value_intersect_p): Do just two tests.
1092 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1094 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1095 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1096 lshifthi3): Use it, and fix the order of alternatives.
1098 2006-12-07 Nick Clifton <nickc@redhat.com>
1100 * common.opt (record-gcc-switches): New command line switch.
1101 * target.h (print_switch_type): New enum.
1102 (print_switch_fn_type): New typedef for a function pointer.
1103 (struct gcc_target): Add record_gcc_switches and
1104 record_gcc_switches_section fields.
1105 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1107 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1109 * toplev.c (print_single_switch): Simplify by providing a
1110 pointer to function that will format and output the switch
1112 (print_switch_values): Likewise.
1113 (print_to_asm_out_file): New function.
1114 (print_to_stderr): New function.
1115 (init_asm_output): If flag_record_gcc_switches is set then if
1116 the target supports recording the switches then emit them into
1117 the assembler output file, otherwise tell the user that the
1118 switch is not supported.
1119 * varasm.c (eld_record_gcc_switches): New function. Example
1120 handler for the record_gcc_switches target hook.
1121 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1123 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1124 * doc/invoke.texi (-frecord-gcc-switches): Document.
1126 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1129 * sched-rgn.c (add_block1): Use correct initializer.
1131 2006-12-07 Richard Guenther <rguenther@suse.de>
1133 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1134 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1136 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1139 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1140 not GIMPLE_MODIFY_STMT.
1142 2006-12-06 Jan Hubicka <jh@suse.cz>
1144 * tree-vrp.c (operand_less_p): New.
1145 (compare_values, value_inside_range): Rewrite in terms of
1148 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1150 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1152 (length_immediate): Do not depend on cld type attribute.
1153 (length_address): Ditto.
1156 (cld): Remove insn pattern.
1157 (strmov_singleop): Do not use DIRFLAG_REG.
1158 (*strmovdi_rex_1): Ditto.
1159 (*strmovsi_1): Ditto.
1160 (*strmovsi_rex_1): Ditto.
1161 (*strmovhi_1): Ditto.
1162 (*strmovhi_rex_1): Ditto.
1163 (*strmovqi_1): Ditto.
1164 (*strmovqi_rex_1): Ditto.
1166 (*rep_movdi_rex64): Ditto.
1167 (*rep_movsi): Ditto.
1168 (*rep_movsi_rex64): Ditto.
1169 (*rep_movqi): Ditto.
1170 (*rep_movqi_rex64): Ditto.
1171 (strset_singleop): Ditto.
1172 (*strsetdi_rex_1): Ditto.
1173 (*strsetsi_1): Ditto.
1174 (*strsetsi_rex_1): Ditto.
1175 (*strsethi_1): Ditto.
1176 (*strsethi_rex_1): Ditto.
1177 (*strsetqi_1): Ditto.
1178 (*strsetqi_rex_1): Ditto.
1180 (*rep_stosdi_rex64): Ditto.
1181 (*rep_stossi): Ditto.
1182 (*rep_stossi_rex64): Ditto.
1183 (*rep_stosqi): Ditto.
1184 (*rep_stosqi_rex64): Ditto.
1185 (cmpstrnsi): Do not generate cld insn.
1186 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1187 (*cmpstrnqi_nz_1): Ditto.
1188 (*cmpstrnqi_nz_rex_1): Ditto.
1189 (cmpstrnqi_1): Ditto.
1190 (*cmpstrnqi_1): Ditto.
1191 (*cmpstrnqi_rex_1): Ditto.
1192 (strlenqi_1): Ditto.
1193 (*strlenqi_1): Ditto.
1194 (*strlenqi_rex_1): Ditto.
1196 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1197 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1198 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1200 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1201 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1203 (k6_alux_only_load): Ditto.
1204 (k6_alux_only_store): Ditto.
1206 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1207 Do not emit cld instruction.
1208 (ix86_expand_setmem): Ditto.
1209 (ix86_expand_strlen): Do not emit cld instruction.
1211 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1213 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1216 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1218 * gdbinit.in: Set complaints to 0.
1220 2006-12-06 Jan Hubicka <jh@suse.cz>
1222 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1223 ALONE_MEM_STAT_DECL): New macros.
1224 * bitmap.h: Include statistics.h
1225 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1226 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1227 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1228 * bitmap.c: Include hashtab.h
1229 (bitmap_descriptor): New.
1230 (bitmap_hash): New static variable
1231 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1232 New static functions.
1233 (bitmap_register): New.
1234 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1235 bitmap_obstack_release): Do accounting.
1236 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1238 (bitmap_gc_alloc_stat): Likewise.
1239 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1240 (print_statistics, dump_bitmap_statistics): New functions.
1241 * toplev.c (finalize): Dump bitmap statistics.
1243 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1245 * reload1.c (delete_output_reload): Count occurrences in
1246 CALL_INSN_FUNCTION_USAGE.
1247 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1248 crashing at the end of the list.
1250 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1252 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1253 Optimize to avoid marking more SMT's as used when they aren't.
1255 2006-12-05 Eric Christopher <echristo@apple.com>
1257 * config/i386/i386.c (x86_output_aligned_bss): Move out
1258 of COMMON_ASM_OP ifdef.
1260 2006-12-05 Eric Christopher <echristo@apple.com>
1262 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1263 (STARTFILE_SPEC): Use.
1264 (DARWIN_DYLIB1_SPEC): New.
1265 (DARWIN_CRT1_SPEC): New.
1266 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1268 * config/i386/darwin.h: Ditto.
1269 * config/rs6000/darwin.h: Ditto.
1271 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1273 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1274 * tree-complex.c (pass_lower_complex): Ditto.
1275 * tree-ssa-ccp.c (pass_ccp): Ditto.
1276 (pass_store_ccp): Ditto.
1277 * tree-ssa-dom.c (pass_dominator): Ditto.
1278 (pass_phi_only_cprop): Ditto.
1279 * tree-sra.c (pass_sra): Ditto.
1280 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1281 * tree-flow.h (updating_used_alone): Remove.
1282 (updating_used_alone): Ditto.
1283 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1284 (lhs_may_store_to): Remove function.
1285 (recalculate_used_alone): Ditto.
1286 (compute_may_aliases): Remove used_alone calculation.
1287 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1288 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1289 * tree-pass.h (PROP_smt_usage): Remove.
1290 * passes.c (execute_todo): Remove used alone recalculation.
1291 (execute_one_pass): Ditto.
1292 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1295 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1297 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1299 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1301 PR tree-optimization/14784
1302 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1304 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1306 Merge from gimple-tuples-branch.
1308 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1310 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1312 (s390_gimplify_va_arg): Same.
1313 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1314 * config/sh/sh.c (sh_va_start): Same.
1315 (sh_gimplify_va_arg_expr): Same.
1316 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1317 (xtensa_gimplify_va_arg_expr): Same.
1318 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1319 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1320 * config/mips/mips.c (mips_va_start): Same.
1321 (mips_gimplify_va_arg_expr): Same.
1323 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1325 * Merge from mainline at revision 119445.
1327 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1329 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1331 (spu_gimplify_va_arg_expr): Same.
1333 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1335 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1336 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1337 (xstormy16_expand_builtin_va_arg): Same.
1339 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1341 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1342 to GIMPLE_MODIFY_STMT.
1344 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1346 * config/alpha/alpha.c (va_list_skip_additions): Change all
1347 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1348 (alpha_va_start): Same.
1349 (alpha_gimplify_va_arg_1): Same.
1350 (alpha_gimplify_va_arg): Same.
1352 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1354 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1356 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1358 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1359 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1361 * tree-complex.c: Same.
1362 * tree-pretty-print.c: Same.
1366 * fold-const.c: Same.
1367 * tree-ssa-dom.c: Same.
1368 * tree-ssa-propagate.c: Same.
1369 * tree-ssa-alias.c: Same.
1370 * gimple-low.c: Same.
1371 * dwarf2out.c: Same.
1372 * c-pretty-print.c: Same.
1374 * tree-inline.c: Same.
1375 * tree-outof-ssa.c: Same.
1376 * tree-ssa-structalias.c: Same.
1377 * tree-ssa-reassoc.c: Same.
1380 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1382 * tree.c (build2_stat): Fix comment.
1384 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1386 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1387 TREE_OPERAND when appropriate.
1389 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1391 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1392 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1393 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1394 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1395 not handle GIMPLE_MODIFY_STMT in the switch statement.
1396 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1397 (java_gimplify_new_array_init): Same.
1399 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1401 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1402 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1403 * fold-const.c (fold_binary): Allow gimple statements.
1405 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1406 Rename from gfc_conv_descriptor_data_set.
1407 Call gfc_add_modify instead of gfc_add_modify_expr.
1408 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1409 Rename from gfc_conv_descriptor_data_set.
1410 (gfc_conv_descriptor_data_set): New macro.
1411 (gfc_conv_descriptor_data_set_tuples): New macros.
1412 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1413 gfc_conv_descriptor_data_set_tuples.
1414 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1415 Generate GIMPLE_MODIFY_STMT when appropriate.
1416 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1417 (gfc_add_modify_expr): New macro.
1418 (gfc_add_modify_stmt): New macro.
1419 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1421 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1423 * Merge from mainline at revision 118200.
1425 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1427 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1430 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1432 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1434 Also, add __extension__ to GCC versions.
1435 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1436 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1439 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1441 * tree-complex.c (expand_complex_libcall): Adjust for
1443 (expand_complex_comparison): Same.
1444 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1445 GIMPLE_STMT_P statements.
1446 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1448 (tree_mod_pow2_value_transform): Same.
1449 (tree_mod_subtract_transform): Same.
1450 * tree.c (build2_stat): Check for gimplified function in cfun.
1451 * tree.h (DECL_GIMPLIFIED): Delete.
1452 (struct tree_function_decl): Remove gimplified_flag.
1453 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1454 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1455 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1456 (cxx_omp_clause_copy_ctor): Same.
1457 (cxx_omp_clause_assign_op): Same.
1458 * c-pretty-print.c (pp_c_conditional_expression): Same.
1459 (pp_c_expression): Same.
1460 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1461 * function.h (struct function): Add gimplified field.
1462 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1464 (find_phi_replacement_condition): Same.
1465 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1466 (gimplify_modify_expr_to_memset): Same.
1467 (gimplify_init_ctor_eval_range): Same.
1468 (gimplify_modify_expr_complex_part): Same.
1469 (tree_to_gimple_tuple): Same.
1470 (gimplify_modify_expr): Same.
1471 (gimple_push_cleanup): Same.
1472 (gimplify_omp_for): Same.
1473 (gimplify_omp_atomic_pipeline): Same.
1474 (gimplify_omp_atomic_mutex): Same.
1475 (gimplify_expr): Same.
1476 (gimplify_one_sizepos): Same.
1477 (gimplify_function_tree): Same.
1478 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1479 (vect_recog_widen_sum_pattern): Same.
1480 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1481 (vect_create_epilog_for_reduction): Same.
1482 (vectorizable_reduction): Same.
1484 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1486 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1487 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1488 (ifc_temp_var): Same.
1489 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1490 for gimple statements.
1491 (vect_analyze_operations): Same.
1492 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1493 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1494 * lambda-code.c (can_put_in_inner_loop): Same.
1495 (can_put_after_inner_loop): Same.
1496 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1497 (vect_create_data_ref_ptr): Same.
1498 (vect_init_vector): Same.
1499 (vect_get_vec_def_for_operand): Same.
1500 (vect_create_epilog_for_reduction): Same.
1501 (vectorizable_reduction): Same.
1502 (vectorizable_assignment): Same.
1503 (vectorizable_operation): Same.
1504 (vectorizable_load): Same.
1505 (vectorizable_condition): Same.
1506 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1507 (rs6000_gimplify_va_arg): Same.
1509 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1511 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1512 GIMPLE_STMT_OPERAND.
1513 (simplify_abs_using_ranges): Same.
1514 * tree-complex.c (expand_complex_operations_1): Use
1515 PROTECTED_TREE_OPERAND.
1516 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1518 (get_val_for): Use GIMPLE_STMT_OPERAND.
1519 * tree-tailcall.c (adjust_accumulator_values): Same.
1520 (adjust_return_value): Same.
1521 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1522 case. Remove special case for tcc_gimple_stmt.
1523 * tree.h (CAN_HAVE_LOCATION_P): New.
1524 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1526 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1527 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1528 * tree-nrv.c (execute_return_slot_opt): Same.
1529 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1530 * tree-vn.c (set_value_handle): Same.
1531 (get_value_handle): Same.
1532 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1533 * tree-vectorizer.c (find_loop_location): Same.
1534 * c-typeck.c (c_process_expr_stmt): Same.
1535 (c_finish_stmt_expr): Same.
1536 * gimplify.c (should_carry_locus_p): Same.
1537 (tree_to_gimple_tuple): Delete definition and use of unecessary
1538 variable save_tree_block.
1539 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1540 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1541 (realify_fake_stores): Same.
1542 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1544 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1545 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1546 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1547 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1548 (c_parser_statement_after_labels): Same.
1549 (c_parser_paren_condition): Same.
1550 (c_parser_for_statement): Same.
1551 (c_parser_omp_for_loop): Same.
1552 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1553 (linearize_expr_tree): Same.
1554 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1555 * function.c (instantiate_expr): Same.
1557 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1559 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1560 (set_expr_location): Same.
1562 (set_expr_locus): Same.
1563 (expr_filename): Same.
1564 (expr_lineno): Same.
1565 (tree_block): Use GIMPLE_STMT_BLOCK.
1566 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1567 * tree.h (struct gimple_stmt): Remove prev and next.
1568 (GIMPLE_STMT_OPERAND_CHECK): New.
1569 (TREE_TO_GIMPLE_STMT): Delete.
1570 (GIMPLE_STMT_TO_TREE): Delete.
1571 (GIMPLE_STMT_OPERAND): Use union, not cast.
1572 (GIMPLE_STMT_LOCUS): New.
1573 (GIMPLE_STMT_BLOCK): New.
1574 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1576 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1578 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1580 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1582 * tree-tailcall.c (adjust_return_value): Same.
1583 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1584 (copy_node_stat): Change common.base to base.
1585 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1586 Remove GIMPLE_STATEMENT_LIST case.
1587 * tree.h (struct gimple_stmt): Make operands of type tree.
1588 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1589 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1590 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1591 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1592 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1593 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1594 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1595 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1596 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1597 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1598 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1599 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1600 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1601 Change common.base to base.
1602 (GIMPLE_STATEMENT_LIST*): Remove.
1603 (union tree_node): Add base. Remove gimple_statement_list.
1604 Remove pointer from gstmt.
1605 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1606 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1607 * tree-vn.c (vn_compute): Change common.base to base.
1608 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1609 * tree-flow-inline.h (var_ann): Same.
1610 (function_ann): Same.
1612 (mark_non_addressable): Same.
1613 * gimplify.c (tree_to_gimple_tuple): Same.
1614 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1615 * tree-dfa.c (create_var_ann): Change common.base to base.
1616 (create_function_ann): Same.
1617 (create_stmt_ann): Same.
1618 (create_tree_ann): Same.
1619 (collect_dfa_stats_r): Same.
1620 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1621 * tree-ssa-dce.c (NECESSARY): Same.
1622 * tree-ssa.c (delete_tree_ssa): Same.
1623 * tree-optimize.c (execute_free_cfg_annotations): Same.
1624 * tree-flow.h: Same.
1626 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1628 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1629 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1631 * tree.h (struct gimple_stmt): Add prev and next fields.
1632 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1633 (GIMPLE_STATEMENT_LIST_HEAD): New.
1634 (GIMPLE_STATEMENT_LIST_TAIL): New.
1635 (struct gimple_statement_list): New.
1636 (union tree_node): Add gimple_stmt_list and gstmt.
1637 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1638 * tree.def: Add GIMPLE_STATEMENT_LIST.
1640 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1642 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1643 * tree-vrp.c (build_assert_expr_for): Change uses of
1644 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1645 (find_assert_locations): Same.
1646 (remove_range_assertions): Same.
1647 (stmt_interesting_for_vrp): Same.
1648 (vrp_visit_assignment): Same.
1649 (vrp_visit_stmt): Same.
1650 (simplify_cond_using_ranges): Same.
1651 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1653 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1654 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1656 (determine_invariantness_stmt): Same.
1657 (schedule_sm): Same.
1658 (gather_mem_refs_stmt): Same.
1659 * tree-complex.c (init_dont_simulate_again): Same.
1660 (complex_visit_stmt): Same.
1661 (set_component_ssa_name): Same.
1662 (expand_complex_move): Same.
1663 (expand_complex_div_wide): Same.
1664 (expand_complex_comparison): Same.
1665 (expand_complex_operations_1): Same.
1666 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1667 (chain_of_csts_start): Same.
1668 (infer_loop_bounds_from_undefined): Same.
1669 * tree-pretty-print.c (dump_generic_node): Same.
1671 (op_symbol_1): Same.
1672 * tree-ssa-loop-manip.c (create_iv): Same.
1673 * value-prof.c (tree_divmod_fixed_value): Same.
1674 (tree_divmod_fixed_value_transform): Same.
1675 (tree_mod_pow2): Same.
1676 (tree_mod_pow2_value_transform): Same.
1677 (tree_mod_subtract): Same.
1678 (tree_mod_subtract_transform): Same.
1679 (tree_divmod_values_to_profile): Same.
1680 * tree-tailcall.c (process_assignment): Same.
1681 (find_tail_calls): Same.
1682 (adjust_accumulator_values): Same.
1683 (adjust_return_value): Same.
1684 (eliminate_tail_call): Same.
1685 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1686 (make_node_stat): Same.
1687 (copy_node_stat): Handle gimple tuples.
1688 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1689 (tree_node_structure): Handle tcc_gimple_stmt.
1690 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1692 (build2_gimple_stat): New.
1693 (expr_location): New.
1694 (set_expr_location): New.
1695 (expr_has_location): New.
1697 (set_expr_locus): New.
1698 (expr_filename): New.
1700 (walk_tree): Handle tcc_gimple_stmt.
1702 (protected_tree_operand): New.
1703 (protected_tree_type): New.
1704 (tree_code_kind): Add gimple statements.
1705 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1706 (IS_GIMPLE_STMT_CODE_CLASS): New.
1707 (struct tree_base): New.
1708 (struct tree_common): Shrink.
1709 (struct gimple_stmt): New.
1710 (struct gimple_expr): New.
1711 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1712 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1713 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1714 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1715 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1716 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1717 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1718 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1719 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1720 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1721 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1722 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1723 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1724 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1725 Adjust for new `common' layout.
1726 (struct tree_function_decl): Add gimplified_flag.
1727 (DECL_GIMPLIFIED): NEW.
1728 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1729 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1730 EXPR_HAS_LOCATION): Call corresponding function.
1731 (GIMPLE_STMT_CHECK): New.
1732 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1733 (TREE_BLOCK): Call tree_block.
1734 (GIMPLE_STMT_P): New.
1735 (GIMPLE_TUPLE_P): New.
1736 (TREE_TO_GIMPLE_STMT): New.
1737 (GIMPLE_STMT_TO_TREE): New.
1738 (GIMPLE_STMT_OPERAND): New.
1739 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1740 (PROTECTED_TREE_OPERAND): New.
1741 (PROTECTED_TREE_TYPE): New.
1742 (build2_gimple_stat): Protoize.
1743 (build2_gimple): New.
1744 (expr_location): Protoize.
1745 (set_expr_location): Protoize.
1746 (expr_has_location): Protoize.
1747 (expr_locus): Protoize.
1748 (set_expr_locus): Protoize.
1749 (expr_filename): Protoize.
1750 (expr_lineno): Protoize.
1751 (tree_block): Protoize.
1752 (protected_tree_operand): Protoize.
1753 (protected_tree_type): Protoize.
1754 (enum tree_node_kind): Add gimple_stmt_kind.
1755 * c-decl.c (union lang_tree_node): Tuples do not have a
1757 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1758 GIMPLE_MODIFY_STMT and adjust accordingly.
1759 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1760 (interpret_condition_phi): Same.
1761 (pointer_used_p): Same.
1762 (analyze_scalar_evolution_1): Same.
1763 (scev_const_prop): Same.
1764 (interpret_rhs_modify_stmt): Rename from
1765 interpret_rhs_modify_expr.
1766 * builtins.c (std_expand_builtin_va_start): Change uses of
1767 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1768 (std_gimplify_va_arg_expr): Same.
1769 (expand_builtin_va_copy): Same.
1770 (integer_valued_real_p): Same.
1771 * fold-const.c (maybe_lvalue_p): Same.
1773 (tree_expr_nonnegative_p): Same.
1774 (tree_expr_nonzero_p): Same.
1775 * omp-low.c (extract_omp_for_data): Same.
1776 (lower_rec_input_clauses): Same.
1777 (lower_reduction_clauses): Same.
1778 (lower_copyprivate_clauses): Same.
1779 (lower_send_clauses): Same.
1780 (lower_send_shared_vars): Same.
1781 (expand_parallel_call): Same.
1782 (expand_omp_parallel): Same.
1783 (expand_omp_for_generic): Same.
1784 (expand_omp_for_static_nochunk): Same.
1785 (expand_omp_for_static_chunk): Same.
1786 (expand_omp_sections): Same.
1787 (lower_omp_single_copy): Same.
1788 (lower_omp_parallel): Same.
1789 * tree-ssa-dse.c (memory_address_same): Same.
1790 (dse_optimize_stmt): Same.
1791 * ipa-reference.c (scan_for_static_refs): Same.
1792 * tree-gimple.c (is_gimple_reg_rhs): Same.
1793 (get_call_expr_in): Same.
1794 (recalculate_side_effects): Same.
1795 * cgraphunit.c (cgraph_create_edges): Same.
1796 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1797 * tree-ssa-ccp.c (get_default_value): Same.
1798 (likely_value): Same.
1799 (visit_assignment): Same.
1800 (ccp_visit_stmt): Same.
1801 (get_maxval_strlen): Same.
1802 (ccp_fold_builtin): Same.
1803 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1804 (find_givs_in_stmt): Same.
1805 (find_interesting_uses_op): Same.
1806 (find_interesting_uses_stmt): Same.
1807 (rewrite_use_nonlinear_expr): Same.
1808 * ipa-pure-const.c (scan_function): Same.
1809 * tree-stdarg.c (va_list_counter_bump): Same.
1810 (check_all_va_list_escapes): Same.
1811 (execute_optimize_stdarg): Same.
1812 * tree-ssa-math-opts.c (compute_merit): Same.
1813 (insert_reciprocals): Same.
1814 (execute_cse_reciprocals): Same.
1815 * tree-ssa-dom.c (initialize_hash_element): Same.
1816 (simple_iv_increment_p): Same.
1817 (record_equivalences_from_stmt): Same.
1818 (optimize_stmt): Same.
1819 (remove_stmt_or_phi): Same.
1820 (get_rhs_or_phi_arg): Same.
1821 (get_lhs_or_phi_result): Same.
1822 (propagate_rhs_into_lhs): Same.
1823 * tree-nrv.c (tree_nrv): Same.
1824 (execute_return_slot_opt): Same.
1825 * tree-ssa-propagate.c (get_rhs): Same.
1827 (stmt_makes_single_load): Same.
1828 (stmt_makes_single_store): Same.
1829 (replace_vuses_in): Same.
1830 (fold_predicate_in): Same.
1831 (substitute_and_fold): Same.
1832 * tree-ssa-alias.c (compute_call_clobbered): Same.
1833 (recalculate_used_alone): Same.
1834 (count_uses_and_derefs): Same.
1835 (is_escape_site): Same.
1836 (find_used_portions): Same.
1837 * gimple-low.c (lower_stmt): Same.
1838 (block_may_fallthru): Same.
1839 (lower_return_expr): Same.
1840 * tree-ssa-sink.c (is_hidden_global_store): Same.
1841 (statement_sink_location): Same.
1842 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1843 * expr.c (safe_from_p): Same.
1844 (expand_expr_real): Same.
1845 (expand_expr_real_1): Same.
1846 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1847 * predict.c (expr_expected_value): Same.
1848 (strip_builtin_expect): Same.
1849 (apply_return_prediction): Same.
1850 (tree_bb_level_predictions): Same.
1851 (tree_estimate_probability): Same.
1852 * tree-vn.c (vn_compute): Same.
1853 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1854 (remove_stmt_from_eh_region_fn): Same.
1855 (do_return_redirection): Same.
1856 (honor_protect_cleanup_actions): Same.
1857 (lower_try_finally_switch): Same.
1858 (lower_eh_constructs_1): Same.
1859 (tree_could_throw_p): Same.
1860 (verify_eh_throw_stmt_node): Same.
1861 * function.c (gimplify_parameters): Same.
1862 * tree-vectorizer.c (vect_is_simple_use): Same.
1863 (vect_is_simple_reduction): Same.
1864 * ipa-type-escape.c (scan_for_refs): Same.
1865 * tree-if-conv.c (tree_if_conversion): Same.
1866 (tree_if_convert_stmt): Same.
1867 (if_convertible_gimplify_modify_stmt_p): Rename from
1868 if_convertible_modify_expr_p.
1869 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1870 (ifc_temp_var): Same.
1871 (replace_phi_with_cond_modify_stmt): Rename from
1872 replace_phi_with_cond_modify_expr.
1873 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1874 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1875 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1877 * tree-flow-inline.h (var_ann): Same.
1878 (function_ann): Same.
1880 (mark_non_addressable): Same.
1881 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1882 * gimplify.c (tree_to_gimple_tuple): New.
1883 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1884 (gimplify_return_expr): Same.
1885 (gimplify_decl_expr): Same.
1886 (gimplify_self_mod_expr): Same.
1887 (gimplify_cond_expr): Same.
1888 (gimplify_init_constructor): Same.
1889 (gimplify_modify_expr): Same.
1890 (gimplify_expr): Same.
1891 (gimplify_function_tree): Same.
1892 (force_gimple_operand): Same.
1893 * tree-ssa-phiopt.c (conditional_replacement): Same.
1894 (minmax_replacement): Same.
1895 (abs_replacement): Same.
1896 * tree-dfa.c (create_var_ann): Same.
1897 (create_function_ann): Same.
1898 (create_stmt_ann): Same.
1899 (create_tree_ann): Same.
1900 (collect_dfa_stats_r): Same.
1901 * tree-ssa-pre.c (find_or_generate_expression): Same.
1902 (create_expression_by_pieces): Same.
1903 (try_look_through_load): Same.
1904 (insert_fake_stores): Same.
1905 (realify_fake_stores): Same.
1906 (compute_avail): Same.
1909 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1910 Adjust for GIMPLE_MODIFY_STMT.
1911 (NECESSARY): Adjust for new `common' layout.
1912 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1914 * tree-sra.c (sra_walk_modify_stmt): Rename from
1915 sra_walk_modify_expr.
1916 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1917 (generate_copy_inout): Same.
1918 (generate_element_copy): Same.
1919 (generate_element_zero): Same.
1920 (scalarize_copy): Same.
1921 * tree-mudflap.c (mf_decl_cache_locals): Same.
1922 (mf_build_check_statement_for): Same.
1923 (mf_xform_derefs): Same.
1924 * ipa-prop.c (ipa_method_modify_stmt): Same.
1925 * print-tree.c (print_node): Handle gimple tuples.
1926 Add case for tcc_gimple_stmt.
1927 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1929 (copy_prop_visit_assignment): Same.
1930 (copy_prop_visit_stmt): Same.
1931 (init_copy_prop): Same.
1932 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1933 (forward_propagate_into_cond_1): Same.
1934 (find_equivalent_equality_comparison): Same.
1935 (tidy_after_forward_propagate_addr): Same.
1936 (forward_propagate_addr_expr_1): Same.
1937 (simplify_not_neg_expr): Same.
1938 (simplify_switch_expr): Same.
1939 * tree-ssa-dce.c (find_pdom): Same.
1940 (mark_stmt_if_obviously_necessary): Same.
1941 (NECESSARY): Adjust for new `common' layout.
1942 * tree-flow.h: Same.
1943 * tree-vect-patterns.c (widened_name_p): Adjust for
1945 (vect_recog_dot_prod_pattern): Same.
1946 (vect_recog_widen_sum_pattern): Same.
1947 (vect_pattern_recog_1): Same.
1948 * tree-nested.c (init_tmp_var): Same.
1949 (save_tmp_var): Same.
1951 (convert_call_expr): Same.
1952 (finalize_nesting_tree_1): Same.
1953 * tree-ssa.c (verify_ssa): Same.
1954 (delete_tree_ssa): Same.
1955 * lambda-code.c (lbv_to_gcc_expression): Same.
1956 (lle_to_gcc_expression): Same.
1957 (lambda_loopnest_to_gcc_loopnest): Same.
1958 (can_put_in_inner_loop): Same.
1959 (can_convert_to_perfect_nest): Same.
1960 (perfect_nestify): Same.
1961 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1962 * tree-inline.c (copy_body_r): Same.
1963 (setup_one_parameter): Same.
1964 (initialize_inlined_parameters): Same.
1965 (estimate_num_insns_1): Same.
1966 (expand_call_inline): Same.
1967 (gimple_expand_calls_inline): Same.
1968 (copy_tree_r): Same.
1969 * tree-optimize.c (execute_free_cfg_annotations): Same.
1970 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1971 (vect_align_data_ref): Same.
1972 (vect_create_data_ref_ptr): Same.
1973 (vect_init_vector): Same.
1974 (vect_create_epilog_for_reduction): Same.
1975 (vectorizable_reduction): Same.
1976 (vectorizable_assignment): Same.
1977 (vectorizable_operation): Same.
1978 (vectorizable_store): Same.
1979 (vectorizable_load): Same.
1980 (vectorizable_live_operation): Same.
1981 (vectorizable_condition): Same.
1982 (vect_generate_tmps_on_preheader): Same.
1983 (vect_create_cond_for_align_checks): Same.
1984 * tree-object-size.c (collect_object_sizes_for): Same.
1985 (check_for_plus_in_loops_1): Same.
1986 (check_for_plus_in_loops): Same.
1987 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1988 (replace_use_variable): Same.
1989 (check_replaceable): Same.
1990 (rewrite_trees): Same.
1991 (identical_copies_p): Same.
1992 (insert_backedge_copies): Same.
1993 * tree-profile.c (tree_gen_edge_profiler): Same.
1994 * tree-vect-generic.c (expand_vector_operations_1): Same.
1995 * tree-ssa-structalias.c (update_alias_info): Same.
1996 (find_func_aliases): Same.
1997 * tree-cfg.c (factor_computed_gotos): Same.
1999 (make_goto_expr_edges): Same.
2000 (tree_merge_blocks): Same.
2001 (remove_useless_stmts_cond): Same.
2002 (remove_useless_stmts_1): Same.
2003 (tree_find_edge_insert_loc): Same.
2004 (verify_expr): Same.
2005 (gimplify_val): Same.
2006 (verify_gimple_tuples_1): New.
2007 (verify_gimple_tuples): New.
2008 (verify_stmts): Call verify_gimple_tuples.
2009 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2010 (get_unary_op): Same.
2011 (linearize_expr): Same.
2012 (get_single_immediate_use): Same.
2013 (negate_value): Same.
2014 (should_break_up_subtract): Same.
2015 (break_up_subtract): Same.
2016 (repropagate_negates): Same.
2017 (break_up_subtract_bb): Same.
2018 (reassociate_bb): Same.
2019 * config/i386/i386.c (ix86_va_start): Same.
2020 (ix86_gimplify_va_arg): Same.
2021 * stmt.c (expand_expr_stmt): Same.
2022 (warn_if_unused_value): Same.
2023 (expand_return): Same.
2024 * tree-ssanames.c (make_ssa_name): Same.
2025 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2026 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2027 (add_virtual_operand): Same.
2028 (get_expr_operands): Same.
2029 (parse_ssa_operands): Same.
2030 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2032 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2034 * config.host: Remove extra blank line.
2036 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2038 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2039 target is also an x86 variant.
2041 2006-12-05 Richard Guenther <rguenther@suse.de>
2043 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2044 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2045 (ix86_builtin_vectorized_function): New function to vectorize
2048 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2050 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2051 ia64_override_options.
2053 2006-12-04 Jan Hubicka <jh@suse.cz>
2055 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2058 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2060 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2061 * config/bfin/bfin.c: Include "timevar.h".
2062 (bfin_flag_schedule_insns2, splitting_for_sched,
2063 bfin_flag_var_tracking): New variables.
2064 (print_operand): Handle '%!'.
2065 (override_options): Disable normal sched2 pass, instead set
2066 bfin_flag_schedule_insns2 for reorg to handle it.
2067 (output_file_start): Likewise for var-tracking.
2068 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2069 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2071 (bfin_reorg): Do second scheduling pass here, and call
2072 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2073 of examining insns directly. If bfin_flag_var_tracking, call
2074 var-tracking pass when done with everything else.
2075 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2076 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2077 (movsi_insn32): New pattern, with two new splits to create it
2078 before the final scheduling pass.
2079 (neghi2): Not a dsp32 insn, rather alu0.
2080 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2081 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2082 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2083 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2084 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2085 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2086 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2087 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2088 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2089 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2090 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2091 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2092 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2093 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2094 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2095 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2096 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2097 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2098 variants instead of ';'.
2099 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2100 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2101 (align8, align16, align24): Now named patterns; also using '%!'.
2104 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2106 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2107 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2109 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2111 * config/spu/spu-protos.c (spu_split_address): Add.
2112 * config/spu/spu.c (spu_split_address): Add.
2113 (print_operand): Handle HIGH.
2114 (spu_legitimate_address): Don't test for aligned CONST.
2115 (spu_expand_mov): Don't split addresses here.
2116 * config/spu/constraints.md (A): Don't test legitimate_const.
2117 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2118 (ceq_di): Use correct predicates.
2120 2006-12-04 Eric Christopher <echristo@apple.com>
2122 * config/darwin.h: Update copyright notice.
2123 * config/i386/darwin.h: Ditto.
2125 2006-12-04 Jan Hubicka <jh@suse.cz>
2127 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2128 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2130 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2132 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2134 * tree-ssa-structalias.c (set_used_smts): Export.
2135 (find_what_p_points_to): Don't call set_used_smts here.
2136 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2138 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2140 * tree-ssa-alias.c (compute_may_aliases):
2141 Compute flow sensitive before flow insensitive.
2142 (compute_flow_sensitive_aliasing): Don't try to add
2143 a symbol memory tag to itself.
2145 * alias.h (alias_set_subset_of): New prototype.
2147 * alias.c (alias_set_subset_of): New function.
2149 * tree-ssa-structalias.c: Update comments.
2150 (struct variable_info): Add finished_solution.
2151 (new_varinfo): Set finished solution to NULL.
2152 (var_escaped_vars): Remove.
2153 (escaped_vars_tree): Remove.
2154 (escaped_vars_id): Remove.
2155 (nonlocal_vars_id): Remove.
2156 (constraint_expr_type): Add INCLUDES.
2157 (graph_size): Removed.
2158 (dump_constraint): Support INCLUDES.
2159 (build_constraint_graph): Ditto.
2160 (collapse_nodes): Add merge_solutions argument.
2161 Don't merge attributes.
2162 (process_unification_queue): Just use collapse_nodes.
2163 (perform_var_substitution): Update call to collapse_nodes.
2164 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2165 (process_constraint): Fix non-field sensitive handling
2167 (get_constraint_for): Use INCLUDES.
2168 (make_constraint_from_anything): Renamed from
2169 make_constraint_from_escaped.
2170 (make_constraint_to_escaped): Removed.
2171 (find_global_initializers): Removed.
2172 (create_variable_info_for): Do not make constraints to escaped
2174 (dump_solution_for_var): Don't print out the equivalent points-to
2175 sets, just use the name of the variable it shares it with.
2176 (intra_create_variable_infos): Use INCLUDES.
2177 Change nonlocal variable sets to anything sets.
2178 (init_base_vars): Remove escaped_vars and nonlocal_var
2180 (find_escape_constraints): Removed.
2181 (delete_points_to_sets): Remove dead code.
2182 (used_smt_calculated): New variable.
2183 (set_used_smts): New function.
2184 (merge_smts_into): New function.
2185 (find_what_p_points_to): Modify to use SMTs.
2186 (create_nonlocal_var): Remove.
2188 * tree-ssa-operands.c (access_can_touch_variable): Remove
2189 reference to nonlocal_all.
2191 * tree-ssa.c (verify_name_tags): Remove.
2193 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2195 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2196 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2198 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2200 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2201 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2202 (add_livein_if_notdef): Delete.
2203 (loe_visit_block): New. Propogate live on entry info for a block into
2204 each predecessor. If it changes, make sure it is visited again.
2205 (live_worklist): Visit every block and update the live on entry info
2206 for preds. Iterate over any that changed.
2207 (set_var_live_on_entry): Populate the live on entry blocks with bits
2208 based on the immediate uses of a var.
2209 (calculate_live_on_entry): Remove.
2210 (calculate_live_on_exit): Calculate live on exit based on the newly
2211 oriented live on entry bits.
2212 (calculate_live_ranges): Build live on entry and exit vectors.
2213 (dump_live_info): Use new orientation of live on entry bitmaps.
2214 (verify_live_on_entry): New. Split out verification code from old
2215 calculate_live_on_entry routine.
2216 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2217 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2218 basic_block instead of for a partition.
2219 (live_merge_and_clear): Add asserts.
2220 (make_live_on_entry): Set partition bit in basic block vector.
2222 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2225 * omp-low.c (expand_omp_for_static_nochunk,
2226 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2230 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2231 parallels if region->exit or region->inner->exit is NULL.
2232 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2234 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2235 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2236 or region->exit is NULL.
2237 (expand_omp_sections): Handle NULL region->cond or region->exit.
2240 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2242 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2243 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2245 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2247 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2248 TYPE_MAX_VALUE for scalar types here but...
2249 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2250 is attached an error mark, and the return value of the callback
2251 if it is not NULL_TREE.
2253 2006-12-04 Ben Elliston <bje@au.ibm.com>
2255 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2257 2006-12-03 Eric Christopher <echristo@apple.com>
2260 * config/t-slibgcc-darwin: Pass -install_name.
2261 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2262 libtool. Only pass through options that the linker recognizes.
2263 (LINK_SPEC): Update comment. Translate options.
2264 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2265 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2267 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2269 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2271 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2274 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2275 operands[1] in insn constraint. Correct type attribute to sselog1.
2277 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2280 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2282 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2283 processor detection.
2285 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2286 -march=native if there is no -mtune=*.
2288 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2291 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2293 * doc/install.texi: Update recommended MPFR version. Remove
2294 obsolete reference to cumulative patch.
2296 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2299 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2301 2006-11-30 Jan Hubicka <jh@suse.cz>
2302 Uros Bizjak <ubizjak@gmail.com>
2304 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2305 32bit memcpy/memset decriptors.
2306 (decide_alg): With -minline-all-stringops and sizes that are best
2307 to be copied via libcall still work hard enough to pick non-libcall
2310 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2312 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2314 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2315 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2316 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2317 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2318 config/spu/spu-c.c, config/spu/spu-modes.def,
2319 config/spu/spu.c, config/spu/spu.md,
2320 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2321 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2322 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2323 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2324 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2325 spelling conventions.
2327 * config/i386/i386.c: Fix a comment typo.
2329 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2331 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2332 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2333 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2334 better optimization.
2335 (floatv4siv4sf2): New.
2336 (fix_truncv4sfv4si2): New.
2337 (floatunsv4siv4sf2): New.
2338 (fixuns_truncv4sfv4si2): New.
2346 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2347 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2348 spu_resolve_overloaded_builtin instead of static inline functions.
2350 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2352 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2353 type instead of the size of its mode to compute the highest and
2354 lowest possible values. Still check the size of the mode before
2355 flipping the signedness of the comparison.
2357 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2359 * config/spu/predicates.md (spu_mov_operand): Add.
2360 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2361 (print_operand_address, print_operand): Handle addresses containing AND.
2362 (spu_split_load, spu_split_store): Use updated movti pattern.
2363 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2364 stores in mov patterns for correct operation of reload.
2365 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2367 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2370 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2372 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2374 * common.opt (ftree-combine-temps): Remove.
2375 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2376 (coalesce_ssa_name): Don't check for combine-temps.
2377 (coalesce_vars): Remove.
2378 (check_replaceable): Use num_imm_uses.
2379 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2380 check for combine-temps.
2381 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2382 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2383 to register_ssa_partition calls.
2384 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2385 (init_var_map, delete_var_map): remove refernces to ref_count.
2386 (create_ssa_var_map): Never calculate a ref count.
2387 (type_var_init): Remove.
2388 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2389 (SSA_VAR_MAP_REF_COUNT): Delete.
2390 (create_ssa_var_map): Change Prototype to have no parameters.
2391 (version_ref_count): Delete.
2392 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2394 (type_var_num, type_var, type_var_first_partition,
2395 type_var_next_partition, type_var_dump, type_var_delete,
2396 type_var_remove_partition, type_var_find, type_var_compact,
2397 type_var_decompact): Remove.
2399 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2401 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2404 2006-12-01 Richard Guenther <rguenther@suse.de>
2407 * dwarf2out.c (struct pubname_struct): Make name const.
2408 (add_pubtype): Do not xstrdup identifiers.
2410 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2412 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2413 multiword accesses are in range.
2415 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2417 PR tree-optimization/29921
2418 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2419 (set_lattice_value): Use canonicalize_float_value.
2421 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2423 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2424 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2425 (spu_cpu_cpp_builtins): Remove.
2426 (spu_override_options): Don't set warn_main.
2427 (spu_force_reg): Move from spu-c.c.
2428 (spu_check_builtin_parm): Likewise.
2429 (expand_builtin_args): Likewise.
2430 (spu_expand_builtin_1): Likewise.
2431 (spu_expand_builtin): Likewise.
2432 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2433 warn_main and targetm.resolve_overloaded_builtin.
2434 * config/spu/spu-c.c (spu_builtin_range): Remove.
2435 (spu_check_builtin_parm): Remove.
2436 (expand_builtin_args): Remove.
2437 (spu_expand_builtin_1): Remove.
2438 (spu_expand_builtin): Remove.
2439 (spu_cpu_cpp_builtins): Moved from spu.c
2440 (spu_force_reg): Remove.
2442 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2443 David Edelsohn <edelsohn@gnu.org>
2446 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2447 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2448 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2449 HARD_REGNO_NREGS_WITH_PADDING): Define.
2450 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2451 HARD_REGNO_NREGS_WITH_PADDING): Define.
2452 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2453 Use new macros to detect modes with holes; do not look at integer
2455 (subreg_offset_representable_p): Check for and disallow cases
2456 where the modes use different numbers of bits from registers.
2457 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2458 constant for soft-float.
2459 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2461 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2462 in E500 double case.
2463 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2464 (movtf_softfloat): New.
2466 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2468 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2469 simplify_gen_subreg.
2471 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2473 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2474 (COALESCE_HASH_FN): New. Define hash function.
2475 (partition_pair_map_hash): New. Hash value for a partition pair.
2476 (partition_pair_map_eq): New. Equality for hash pairs.
2477 (create_coalesce_list): Create hash table.
2478 (delete_coalesce_list): Free hash table.
2479 (find_partition_pair): Find/create pairs in hash table.
2480 (compare_pairs): Sort pairs in ascending order now.
2481 (num_coalesce_pairs): New. Number of pairs in hash table.
2482 (struct partition_pair_iterator): Iterator struct for pair table.
2483 (first_partition_pair): Iterator function for first pair.
2484 (end_partition_pair_p): Iterator function for end of iteration.
2485 (next_partition_pair): Iterator function for next pair.
2486 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2487 (sort_coalesce_list): Sort pairs from hash table into an array.
2488 (pop_best_coalesce): Take pairs from the array.
2489 (dump_coalesce_list): Update to use hash table or sorted array.
2490 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2491 (struct coalesce_list_d): Add hash table related fields.
2493 2006-11-30 Jan Hubicka <jh@suse.cz>
2496 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2497 memmove/bcopy->memcpy conversion.
2499 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2501 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2502 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2503 Default is the largest alignment supported for 32-bit ELF and
2504 representable on a 32-bit host.
2506 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2508 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2510 2006-11-30 Jan Hubicka <jh@suse.cz>
2512 * tree-ssa-operands.h (struct ssa_operands): New.
2513 * tree-flow-inline.h (gimple_ssa_operands): New function.
2514 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2515 * Makefile.in: Remove gt-tree-ssa-operands.h
2516 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2517 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2518 operand_memory, operand_memory_index, ops_active): Remove statics.
2519 (ALLOC_OPTYPE): Update.
2520 (operand_build_sort_virtual): Update.
2521 (ssa_operands_active): Update.
2522 (init_ssa_operands): Update.
2523 (fini_ssa_operands): Update.
2524 (ssa_operand_alloc): Update.
2525 (INITIALIZE_USE): Update.
2526 (finalize_ssa_use_ops): Update.
2527 (finalize_ssa_v_may_def_ops): Update.
2528 (finalize_ssa_vuse_ops): Update.
2529 (finalize_ssa_v_must_def_ops): Update.
2531 2006-11-30 Richard Guenther <rguenther@suse.de>
2533 * tree-vectorizer.h (vectorizable_function): Export.
2534 * tree-vect-transform.c (vectorizable_function): Likewise.
2535 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2536 type_in to scalar type in recognition of squaring.
2537 Make sure the target can vectorize sqrt in recognition
2538 of sqrt, set type_in to vector type in this case.
2540 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2542 * config/i386/i386.md (R10_REG): New constant.
2543 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2544 (ix86_emit_restore_regs_using_mov): Ditto.
2545 (ix86_expand_call): Ditto.
2546 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2548 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2550 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2551 * alias.c (canon_true_dependence): Update comment.
2553 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2555 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2556 at the end of a diagnostics message.
2558 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2559 until after asserting that it was allocated in the right pool.
2561 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2562 successor edge information as well. Make output of live regs
2563 on exit consistent with live regs on entry.
2565 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2568 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2569 insn patterns for TARGET_80387.
2570 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2571 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2572 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2573 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2574 Generate truncxf<mode>2 insn patterns for strict SSE math.
2576 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2578 * config/i386/i386.md (movsf_1): Enable pattern for standard
2579 80387 constants before reload when optimizing for size.
2580 (*movdf_nointeger, *movdf_integer): Ditto.
2581 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2582 80387 constants before reload when not optimizing for size.
2584 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2585 extension of XFmode input operands.
2587 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2589 * config/spu/crt0.c (__dso_handle): Define.
2591 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2593 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2594 when clearing the used flags.
2596 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2598 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2600 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2603 * config/spu/spu.md (extend_compare<mode>): New pattern.
2604 (extend_compare): Change to expand and use the above pattern.
2606 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2608 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2610 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2611 (DFP_INIT_ROUNDMODE): Define.
2612 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2613 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2615 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2617 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2618 Update documentation.
2619 (associate_line_notes_with_blocks): Kill.
2620 (extend_bb): Remove basic block argument, put void instead.
2621 Remove line number handling for each bb.
2622 (save_line_notes): Kill.
2623 (restore_line_notes): Kill.
2624 (sched_init): Remove line_note_head initialization.
2625 Change extend_bb call.
2626 (sched_finish): Remove free of line_note_head.
2627 (add_block): Change extend_bb call.
2628 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2629 rm_line_notes and restore_line_notes calls.
2630 (schedule_ebbs): Remove rm_redundant_line_notes.
2631 * sched-int.h (struct haifa_insn_data): Remove line_note.
2632 (save_line_notes): Remove declaration.
2633 (restore_line_notes): Remove declaration.
2634 * modulo-sched.c (loop_canon_p): Update debug info printing
2635 by using insn locators instead of line note.
2636 (sms_schedule): Update debug info printing, by using insn
2637 locators instead of line note.
2638 * sched-rgn.c (debug_dependencies): Remove handling of case
2639 n>0 (line number), since it's a dead code.
2640 (schedule_region): Remove save_line_notes and
2641 restore_line_notes calls.
2643 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2645 * config/rs6000/predicates.md (gpc_reg_operand): Check
2646 invalid_e500_subreg.
2647 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2648 SImode subregs of SPE vectors.
2649 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2650 * jump.c (true_regnum): Require subregs to satisfy
2651 subreg_offset_representable_p.
2653 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2654 Steven Bosscher <stevenb.gcc@gmail.com>
2656 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2657 since it no longer exists.
2659 2006-11-29 Duncan Sands <baldrick@free.fr>
2661 PR tree-optimization/23744
2662 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2664 2006-11-29 Duncan Sands <baldrick@free.fr>
2666 PR tree-optimization/23744
2667 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2669 2006-11-29 Duncan Sands <baldrick@free.fr>
2671 PR tree-optimization/23744
2672 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2674 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2676 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2678 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2680 * sh.opt (minline-ic_invalidate): New option.
2681 (musermode): Adjust comment.
2682 * sh.c (sh_initialize_trampoline): Emit library call unless
2683 is set; if it is set, don't emit library call if we can use icbi
2685 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2686 icbi for TARGET_SH4_300.
2687 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2688 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2689 -musermode documentation.
2691 2006-11-29 Jim Tison <jtison@us.ibm.com>
2693 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2694 __gthread_recursive_mutex_init): Define.
2696 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2698 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2699 STRICT_ALIGNMENT and the type is more aligned than the saved
2700 registers, copy via a temporary.
2702 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2705 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2708 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2710 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2712 2006-11-28 Jan Hubicka <jh@suse.cz>
2714 Privatize SSA variables into gimple_df.
2715 * tree-flow-inline.h
2716 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2717 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2718 gimple_nonlocal_all): New accessors.
2719 (first_referenced_var): Update.
2720 (mark_stmt_modified): Update.
2721 (is_call_clobbered): Update.
2722 (mark_call_clobbered): Update.
2723 (clear_call_clobbered): Update.
2724 (mark_non_addressable): Update.
2725 * tree-vrp.c (get_value_range): Update.
2726 * tree-into-ssa.c (in_ssa_p): Kill.
2727 (get_default_def_for): Update.
2728 (rewrite_into_ssa): Update.
2729 * tree-complex.c (init_parameter_lattice_values): Update.
2730 (update_complex_assignment): Update.
2731 (update_parameter_components): Update.
2732 (expand_complex_libcall): Update.
2733 (expand_complex_operations_1): Update.
2734 * tree-tailcall.c (arg_needs_copy_p): Update.
2735 (add_virtual_phis): Update.
2736 (tree_optimize_tail_calls_1): Update.
2737 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2738 * tree-ssa-copyrename.c
2739 (copy_rename_partition_coalesce): Update.
2740 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2741 * tree-ssa-propagate.c (set_rhs): Update.
2742 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2743 addressable_vars, global_var):Kill.
2744 (set_initial_properties): Update.
2745 (init_alias_info): Update.
2746 (finalize_ref_all_pointers): Update.
2747 (setup_pointers_and_addressables): Update.
2748 (maybe_create_global_var): Update.
2749 (create_global_var): Update.
2750 (dump_points_to_info): Update.
2751 * function.h (struct gimple_df): Forward declare.
2752 (struct function): Add GIMPLE_DF field.
2753 * gimplify.c (force_gimple_operand): Update.
2754 * tree-dfa.c (referenced_vars, default_defs): KIll.
2755 (make_rename_temp): Update.
2756 (dump_variable): Update.
2757 (referenced_var_lookup): Update.
2758 (referenced_var_check_and_insert): Update.
2759 (default_def): Rename to ...
2760 (gimple_default_def): ... this one; accept cfun argument.
2761 (set_default_def): Update.
2762 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2763 (cleanup_control_flow): Update.
2764 * tree-ssa-pre.c (compute_avail): Update
2765 * tree-ssa-live.c (calculate_live_on_entry): Update.
2766 * tree-ssa.c (verify_use): Update.
2767 (verify_call_clobbering): Update.
2768 (verify_call_clobbering): Update.
2769 (init_tree_ssa): Update.
2770 (delete_tree_ssa): Update.
2771 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2772 (rewrite_out_of_ssa): Update.
2773 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2774 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2776 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2777 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2778 addressable_vars, aliases_computed_p): Kill.
2779 (default_def): Rename to...
2780 (gimple_default_def): ... this one.
2781 (defaule_def_fn): Kill.
2782 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2783 * tree-ssa-structalias.c (nonlocal_all): Kill.
2784 (get_constraint_exp_from_ssa_var): Update.
2785 (create_nonlocal_var): Update.
2786 (get_constraint_for): Update.
2787 (update_alias_info): Update.
2788 (find_global_initializers): Update.
2789 (intra_create_variable_infos): Update.
2790 (intra_create_variable_infos):
2791 (find_what_p_points_to): Update.
2792 (init_alias_heapvars): Update.
2793 * tree-cfg.c (remove_bb): Update.
2794 (gimplify_val): Update.
2795 * tree-ssa-reassoc.c (get_rank): Update.
2796 (init_reassoc): Update.
2797 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2798 (ssa_names, free_ssanames): Kill.
2799 (init_ssanames): Update.
2800 (make_ssa_name): Update.
2801 (release_ssa_name): Update.
2802 (release_defs): Update.
2803 (replace_ssa_name_symbol): Update.
2804 * tree-ssa-operands.c (access_can_touch_variable): Update.
2805 (add_virtual_operand): Update.
2806 (add_call_clobber_ops): Update.
2807 (add_call_read_ops): Update.
2808 (get_call_expr_operands): Update.
2809 (get_asm_expr_operands): Update.
2811 2006-11-28 Jan Hubicka <jh@suse.cz>
2813 * builtins.c: Include tree-flow.h.
2814 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2815 assignment; convert memmove to memcpy for sizes greater than 1 where
2816 alignment of operands prohibit the partial overlap.
2818 2006-11-28 Jan Hubicka <jh@suse.cz>
2820 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2821 * cgraph.c (dump_cgraph_node): Dump stack usage.
2822 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2823 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2824 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2825 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2826 (cgraph_check_inline_limits): Limit stack growth.
2827 * cfgexpand.c: Include tree-inline.h.
2828 (account_stack_vars): New function.
2829 (expand_one_var): New param to just account the stack; return estimated
2831 (expand_used_vars_for_block): Update call of expand_one_var.
2832 (account_used_vars_for_block): New function.
2833 (estimated_stack_frame_size): Likewise.
2834 (init_vars_expansion, fini_vars_expansion): Break out from..
2835 (expand_used_vars): ... here.
2836 * tree-inline.h (estimated_stack_frame_size): Declare.
2837 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2839 2006-11-28 Richard Guenther <rguenther@suse.de>
2841 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2842 unsigned long for printing OBJECT_SIZE.
2844 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2846 * alias.c (init_alias_analysis): Remove simplification loop
2847 after propagating pointers.
2849 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2851 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2854 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2856 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2858 2006-11-27 Roger Sayle <roger@eyesopen.com>
2859 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2861 * c-common.c (constant_fits_type_p): Delete.
2862 (unsigned_conversion_warning): Delete.
2863 (conversion_warning): Integrate Wconversion warning from
2864 unsigned_conversion_warning.
2865 (convert_and_check): Integrate Woverflow warning from
2866 unsigned_conversion_warning. Reorganize and simplify to avoid
2867 dependence upon the middle-end setting TREE_OVERFLOW on integral
2868 conversions, by using int_fits_type_p directly.
2870 2006-11-27 Tobias Burnus <burnus@net-b.de>
2872 * doc/invoke.texi: Fixed typo.
2874 2006-11-27 Michael Matz <matz@suse.de>
2875 Andreas Krebbel <krebbel1@de.ibm.com>
2878 * config/s390/predicates.md (larl_operand): Check addend of larl
2879 operand to be in range of -/+2GB.
2880 * config/s390/s390.c (legitimize_pic_address): Likewise.
2881 Changed type of variable even to HOST_WIDE_INT.
2883 2006-11-27 Jan Hubicka <jh@suse.cz>
2885 * expr.c (emit_block_move_via_libcall): Export.
2886 (clear_storage_via_libcall): Rename to ...
2887 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2888 (clear_storage): Update to set_storage_via_libcall.
2889 * expr.h (emit_block_move_via_libcall): Declare
2890 * config/i386/i386.h (stringop_alg): New enum.
2891 (MAX_STRINGOP_ALGS): New constant.
2892 (stringop_algs): New struct.
2893 (processor_costs): Add memcpy/memset descriptors.
2894 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2895 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2896 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2898 * config/i386/i386.opt (minline-stringops-dynamically,
2899 mstringop-strategy): New
2901 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2902 (ix86_expand-clrmem): Rename to ...
2903 (ix86_expand_setmem): ... this one; update prototype.
2904 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2905 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2906 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2907 nocona_cost, core2_cost, generic_cost, generic64_cost,
2908 generic32_cost): Add memcpy/memset descriptors.
2909 (x86_rep_movl_optimal): Remove.
2910 (stringop_alg): New static variable.
2911 (ix86_expand_aligntest): Handle predictions.
2912 (override_options): Add strgop_alg handling.
2913 (predict_jump): New function.
2914 (scale_counter): New function.
2915 (expand_set_or_movmem_via_loop): New function.
2916 (expand_movmem_via_rep_mov): New function.
2917 (expand_setmem_via_rep_stots): New function.
2918 (emit_strmov): New function.
2919 (expand_movmem_epilogue): New function.
2920 (expand_setmem_epilogue_via_loop): New function.
2921 (expand_setmem_epilogue): New function.
2922 (expand_movmem_prologue): New function.
2923 (expand_setmem_prologue): New function.
2924 (decide_alg): New function.
2925 (decide_alignment): New function.
2926 (ix86_exand_movmem): Rewrite.
2927 (promote_duplicated_reg): New function.
2928 (ix86_expand_clrmem): Rename to ...
2929 (ix86_expand_setmem): ... this one. Rewrite.
2931 * invoke.texi (minline-stringops-dynamically): New command line option.
2932 (mstringop-strategy): Likewise.
2934 2006-11-27 Jan Hubicka <jh@suse.cz>
2936 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2937 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2938 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2939 * insn-notes.def (FUNCTION_END): Remove.
2940 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2941 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2943 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2944 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2945 * cfglayout.c (duplicate_insn_chain): Don't worry about
2948 2006-11-27 Richard Guenther <rguenther@suse.de>
2949 Zdenek Dvorak <dvorakz@suse.cz>
2951 * target.h (struct gcc_target): Add builtin_vectorized_function
2953 * target-def.h (TARGET_VECTORIZE): Likewise.
2954 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2955 Document new target hook.
2956 * targhooks.h (default_builtin_vectorized_function): Declare.
2957 * targhooks.c (default_builtin_vectorized_function): Define.
2958 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2959 (vectorizable_call): Declare.
2960 * tree-vect-analyze.c (vect_analyze_operations): Call
2962 * tree-vect-transform.c (vectorizable_function): New static function.
2963 (build_vectorized_function_call): Likewise.
2964 (vectorizable_call): New function.
2965 (vect_transform_stmt): Handle vectorizable calls.
2967 2006-11-27 Richard Guenther <rguenther@suse.de>
2970 * builtins.c (expand_builtin_pow): Optimize non integer valued
2971 constant exponents using sqrt or cbrt if possible. Always fall back
2972 to expanding via optabs.
2974 2006-11-27 Ira Rosen <irar@il.ibm.com>
2976 PR tree-optimization/22372
2977 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2978 the type of the base address.
2979 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2980 it in the data-ref pointer creation.
2981 (vect_init_vector): Add an argument, type of the init vector. Use it in
2983 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2984 (get_initial_def_for_reduction): Likewise.
2985 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2987 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2988 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2989 correct type in stmt creation.
2990 (vect_setup_realignment): Use the correct type in stmt creation.
2991 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2993 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2994 of MODIFY_EXPR to void_type_node.
2995 (vectorizable_condition): Change type of MODIFY_EXPR to
2997 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3000 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3003 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3004 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3005 standard 80387 constants, raise the cost to prevent
3006 compress_float_constant() to generate load from memory.
3008 * config/i386/i386.md: Add new splitter pattern to split
3009 float_extended load of constant from constant pool into
3012 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3014 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3015 section to general section. Remove documentation for
3016 --with-mpfr-dir and --with-gmp-dir, add documentation for
3017 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3020 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3022 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3024 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3026 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3028 PR tree-optimization/29122
3029 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3030 for the new version. Assign NULL to DECL_RTL of the new version.
3032 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3034 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3036 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3038 * cse.c (cse_altered): Remove.
3039 (record_jump_equiv): Make true/false argument a bool instead
3041 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3042 where appropriate. Emit a new jump before the existing one
3043 instead of after so that delete_insn_and_edges removes the
3044 dead edges properly. Check any_condjump_p before calling
3046 (cse_basic_block): Check any_condjump_p before calling
3048 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3050 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3052 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3053 -ffixed-line-length-* options.
3055 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3057 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3058 (fprem1xf4): Rename to fprem1xf4_i387.
3060 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3061 Rename patterns to fmod<mode>3. Use general_operand operand
3062 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3063 patterns for SSE math.
3064 (remaindersf3, remainderdf3): Ditto.
3066 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3068 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3069 inside start_sequence / end_sequence pair.
3071 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3073 * jump.c (mark_all_labels): Work in cfglayout mode.
3074 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3075 when in cfglayout mode, because there are no dead jumptables
3077 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3079 (commit_edge_insertions): Do not allow insertion of instructions
3080 with control flow insns when in cfglayout mode.
3082 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3084 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3086 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3087 unswitch_loop): Ditto.
3088 * tree-loop-linear.c (linear_transform_loops): Ditto.
3089 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3090 tree_ssa_lim): Ditto.
3091 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3092 free_numbers_of_iterations_estimates): Ditto.
3093 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3094 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3095 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3096 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3097 place_new_loop, duplicate_loop, duplicate_subloops,
3098 update_single_exit_for_duplicated_loops, copy_loops_to,
3099 duplicate_loop_to_header_edge, create_preheaders,
3100 force_single_succ_latches, loop_version, fix_loop_structure):
3102 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3103 tree_unroll_loop): Ditto.
3104 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3105 * tree-scalar-evolution.c (select_loops_exit_conditions,
3106 scev_initialize, scev_analysis): Ditto.
3107 * tree-scalar-evolution.h (scev_initialize): Ditto.
3108 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3109 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3110 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3111 * modulo-sched.c (sms_schedule): Ditto.
3112 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3113 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3114 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3115 * ifcvt.c (if_convert): Ditto.
3116 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3117 canonicalize_loop_induction_variables,
3118 canonicalize_induction_variables,
3119 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3120 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3121 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3122 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3123 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3124 tree_ssa_loop_done): Ditto.
3125 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3126 estimate_bb_frequencies): Ditto.
3127 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3128 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3129 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3130 decide_unrolling_and_peeling, peel_loop_completely,
3131 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3132 peel_loop_simple, unroll_loop_stupid): Ditto.
3133 * loop-doloop.c (doloop_optimize_loops): Ditto.
3134 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3135 * loop-invariant.c (move_loop_invariants): Ditto.
3136 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3137 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3138 tree_ssa_prefetch_arrays): Ditto.
3139 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3141 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3142 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3143 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3144 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3145 verify_loop_structure): Ditto.
3146 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3147 canonicalize_induction_variables, tree_unroll_loops_completely,
3148 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3149 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3150 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3151 tree_unroll_loop, linear_transform_loops): Declaration changed.
3152 * basic-block.h: Remove declaration of struct loops.
3153 * cfghooks.h (struct cfg_hooks): Change type of
3154 cfg_hook_duplicate_loop_to_header_edge.
3155 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3156 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3157 vect_transform_loop): Declaration changed.
3158 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3159 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3160 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3161 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3162 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3163 loopify, loop_version, remove_path, unswitch_loops,
3164 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3165 Declaration changed.
3167 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3169 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3170 (X87MODEF): New mode macro.
3171 (ssemodefsuffix): New mode attribute.
3172 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3173 (sqrt_extend<mode>xf2_i387): New insn pattern.
3174 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3175 insn and truncate result back to original mode using
3176 UNSPEC_TRUNC_NOOP truncation.
3177 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3178 ssemodefsuffix mode attribute.
3179 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3180 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3181 (*sqrtextenddfxf2_i387): Remove insn patterns.
3183 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3184 truncation patterns.
3186 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3188 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3191 * c-tree.h (c_maybe_initialize_eh): New prototype.
3192 * c-decl.c (finish_decl): Move EH initialization...
3193 (c_maybe_initialize_eh): ... here. New function.
3194 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3195 if not #pragma omp atomic.
3198 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3199 or UNION_TYPE inner types.
3201 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3204 * ipa-pure-const.c (check_tree): If the original tree
3205 is volatile return early and say the function is not pure
3206 nor const. Remove the volatile check for writes.
3207 (analyze_function): Print out the result of the local
3210 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3212 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3214 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3215 * config/rs6000/rs6000.c (rs6000_override_options): Use
3216 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3219 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3221 * config/s390.c (s390_emit_compare_and_swap): New function.
3222 (s390_expand_cs_hqi, s390_expand_atomic): Call
3223 s390_emit_compare_and_swap.
3225 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3227 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3229 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3233 * c-common.c (conversion_warning): New.
3234 (convert_and_check): Call conversion_warning unless there is an
3236 * doc/invoke.texi (-Wconversion): Update description.
3238 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3240 * tree-ssa-alias.c (tree_pointer_compare): New function.
3241 (compact_name_tags): New function.
3242 (group_aliases): Call compact_name_tags.
3244 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3246 * real.h (real_isinteger): Declare.
3247 * real.c (real_isinteger): Define.
3248 * builtins.c (integer_valued_real_p): Use it.
3250 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3253 * c.opt (Wtraditional-conversion): New.
3254 (Wconversion): Update description.
3255 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3256 type conversions different from what would happen in the absence
3257 of prototype are now handled by Wtraditional-conversion.
3258 * doc/invoke.texi (Wtraditional-conversion): New.
3259 (Wconversion): Update description.
3260 * doc/trouble.texi (Wconversion): Replace Wconversion by
3261 Wtraditional-conversion.
3263 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3265 * predict.c (tree_estimate_probability): Check to make
3266 sure current_loops is non null before calling flow_loops_dump.
3268 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3270 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3272 2006-11-23 David Ung <davidu@mips.com>
3274 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3276 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3277 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3278 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3279 high part of FP register when in 64-bit FP register mode. Similarly
3280 use gen_mfhc1 to load high part of FP register.
3281 (override_options): Allow -mgp32 and -mfp64 combination if
3282 ISA_HAS_MXHC1 (currently for O32 only).
3283 (mips_cannot_change_mode_class): If floating-point registers are
3284 bigger than word size. disallow conversion of float register from a
3285 large integer mode to a float mode smaller than the float register
3287 (mips_class_max_nregs): Handle float registers case seperately.
3288 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3290 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3291 (movdf_hardfloat_32bit): Similarly.
3292 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3293 support a full 64-bit fpu.
3294 (mthc1): New pattern to generate MTHC1 instruction.
3295 (mfhc1): New pattern to generate MFHC1 instruction.
3296 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3297 option for the MIPS32R2 and mention its use under O32 ABI.
3299 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3301 * var-tracking.c (emit_note_insn_var_location): Take care not to
3302 cause verify_flow_info failures.
3304 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3306 * tree-ssa-structalias.c: Remove edge weights in favor of just
3307 processing them as complex constraints.
3308 (struct constraint_graph): Remove weighted succs and preds. Rename
3309 nonweighted succs and preds.
3310 (constraint_edge): Removed.
3311 (constraint_edge_t): Ditto.
3312 (constraint_edge_pool): Ditto.
3313 (new_constraint_edge): Ditto.
3314 (constraint_edge_equal): Ditto.
3315 (constraint_edge_less): Ditto.
3316 (constraint_edge_vec_find): Ditto.
3317 (erase_self_graph_edge): Ditto.
3318 (add_graph_edge): Removed.
3319 (get_graph_weights): Ditto.
3320 (allocate_graph_weights): Ditto.
3321 (valid_weighted_graph_edge): Ditto
3322 (bitmap_other_than_zero_bit_set): Ditto.
3323 (int_add_graph_edge): Renamed to add_graph_edge.
3324 (clear_edges_for_node): Remove support for weighted edges.
3325 (merge_graph_nodes): Ditto.
3326 (valid_graph_edge): Ditto.
3327 (build_constraint_graph): Ditto.
3329 (collapse_nodes): Ditto.
3330 (process_unification_queue): Ditto.
3331 (topo_visit): Ditto.
3332 (do_ds_constraint): Ditto.
3333 (perform_var_subsitution): Ditto.
3334 (solve_graph): Ditto.
3335 (init_alias_vars): Ditto.
3336 (delete_points_to_sets): Ditto.
3337 (do_complex_constraint): Support offsetted copies here.
3339 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3341 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3343 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3345 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3348 2006-11-23 Ben Elliston <bje@au.ibm.com>
3350 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3352 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3354 PR tree-optimization/29921
3355 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3356 signed and unsigned zero equal.
3358 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3360 * config/rs6000/rs6000.c (get_store_dest): New.
3361 (adjacent_mem_locations): Use get_store_dest() to get
3362 the rtl of the store destination.
3364 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3366 * config/rs6000/spe.md (SPE64): New mode macro.
3367 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3369 (mov_si<mode>_e500_subreg0_2): New.
3370 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3372 (mov_si<mode>_e500_subreg4_2): New.
3373 * config/rs6000/predicates.md (input_operand): Do not allow
3374 invalid E500 subregs.
3375 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3377 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3378 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3379 involving vector modes if TARGET_SPE.
3381 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3384 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3385 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3387 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3389 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3390 mem_i_address_operand): New predicates.
3391 * config/bfin/bfin.c (bfin_issue_rate): New function.
3392 (TARGET_SCHED_ISSUE_RATE): New macro.
3393 * config/bfin/bfin.md (addrtype): New attribute.
3394 (slot0, slot1, slot2, store, pregs): New cpu_units.
3395 (core): Now a define_reservation.
3396 (alu): Remove some insn types from this reservation.
3397 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3399 (dummy reservation): Don't trigger for mcld insns.
3400 (absence_sets): Two new absence sets to enforce slot ordering.
3401 (popsi_insn): Set addrtype.
3403 2006-11-22 Ira Rosen <irar@il.ibm.com>
3405 * doc/c-tree.texi: Document new tree codes.
3406 * doc/md.texi: Document new optabs.
3407 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3409 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3410 * optabs.h (optab_index): Add new.
3411 (vec_extract_even_optab, vec_extract_odd_optab,
3412 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3413 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3414 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3416 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3417 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3418 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3419 along with macros for their access.
3420 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3422 * tree-vect-analyze.c (toplev.h): Include.
3423 (vect_determine_vectorization_factor): Fix indentation.
3424 (vect_insert_into_interleaving_chain,
3425 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3426 (vect_analyze_data_ref_dependence): Add argument for interleaving
3427 check. Check for interleaving if it's true.
3428 (vect_check_dependences): New function.
3429 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3430 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3431 (vect_update_misalignment_for_peel): Update for interleaving.
3432 (vect_verify_datarefs_alignment): Check only first data-ref for
3434 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3435 only first data-ref for interleaving.
3436 (vect_analyze_data_ref_access): Check interleaving, update
3438 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3439 with different parameters.
3440 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3441 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3442 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3443 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3444 Update step in case of interleaving.
3445 (vect_strided_store_supported, vect_permute_store_chain): New
3447 (vectorizable_store): Handle strided stores.
3448 (vect_strided_load_supported, vect_permute_load_chain,
3449 vect_transform_strided_load): New functions.
3450 (vectorizable_load): Handle strided loads.
3451 (vect_transform_stmt): Add argument. Handle strided stores. Check
3452 that vectorized stmt exists for patterns.
3453 (vect_gen_niters_for_prolog_loop): Update calculation for
3455 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3456 whole chain vectorization.
3457 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3458 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3459 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3460 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3461 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3463 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3465 * cse.c (enum taken): Remove PATH_AROUND.
3466 (addr_affects_sp_p, invalidate_skipped_set,
3467 invalidate_skipped_block): Remove.
3468 (cse_end_of_basic_block): Remove skip_blocks and related code.
3469 (cse_main): Don't test for flag_cse_skip_blocks.
3470 Update cse_end_of_basic_block call.
3471 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3472 code to lengthen the path if a jump was simplified.
3474 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3476 PR rtl-optimization/29924
3477 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3478 (unroll_loop_runtime_iterations): Assert that the argument passed to
3479 split_edge_and_insert is not NULL.
3480 * loop-doloop.c (add_test): Ditto.
3482 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3484 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3486 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3487 * cfgloopmanip.c (update_single_exits_after_duplication,
3488 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3489 * tree-scalar-evolution.c (get_loop_exit_condition,
3490 get_exit_conditions_rec, loop_closed_phi_def,
3491 number_of_iterations_in_loop, scev_const_prop): Ditto.
3492 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3493 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3495 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3497 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3498 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3499 slpeel_make_loop_iterate_ntimes,
3500 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3501 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3503 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3504 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3505 vect_analyze_loop_form): Ditto.
3506 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3507 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3508 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3509 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3510 vect_transform_loop): Ditto.
3511 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3512 (single_exit, set_single_exit): New functions.
3513 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3514 (single_exit, set_single_exit): Declare.
3515 * doc/loop.texi: Undocument single_exit field. Document single_exit
3518 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3520 PR tree-optimization/29902
3521 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3522 any involved ssa name appears in abnormal phi node.
3524 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3526 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3527 (xtensa_const_ok_for_letter_p): Delete.
3528 (xtensa_extra_constraint): Delete.
3529 (override_options): Delete xtensa_char_to_class initialization.
3530 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3531 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3532 (EXTRA_CONSTRAINT): Delete.
3533 * config/xtensa/xtensa.md: Include constraints.md.
3534 (call_internal): Combine alternatives.
3535 (call_value_internal): Likewise, and remove invalid constraints.
3536 * config/xtensa/constraints.md: New file.
3537 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3538 (xtensa_extra_constraint): Delete.
3539 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3542 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3544 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3545 of conversion that doesn't fit.
3547 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3548 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3549 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3551 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3553 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3555 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3557 2006-11-21 Richard Guenther <rguenther@suse.de>
3559 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3560 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3561 vect_recog_pow_pattern.
3562 (vect_recog_pow_pattern): New function.
3564 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3566 * config/bfin/bfin.opt (mstack-check-l1): New.
3567 * doc/invoke.texi (Blackfin Options): Document it.
3568 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3569 stack bounds in L1 memory if the new option is enabled.
3570 (override_options): Don't allow combinations of -fstack-limit and
3572 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3575 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3577 (bfin_register_move_cost): Bump costs if trying to move plain
3578 integer values through accumulators.
3580 2006-11-21 Ben Elliston <bje@au.ibm.com>
3582 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3584 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3585 Russell Olsen <Russell_Olsen@playstation.sony.com>
3586 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3587 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3588 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3589 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3590 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3592 * config.gcc: Add target for SPU.
3593 * config/spu/constraints.md: New file.
3594 * config/spu/crt0.c: New file.
3595 * config/spu/crtend.c: New file.
3596 * config/spu/crti.asm: New file.
3597 * config/spu/crtn.asm: New file.
3598 * config/spu/float_unsdidf.c: New file.
3599 * config/spu/float_unssidf.c: New file.
3600 * config/spu/predicates.md: New file.
3601 * config/spu/spu-builtins.def: New file.
3602 * config/spu/spu-builtins.h: New file.
3603 * config/spu/spu-builtins.md: New file.
3604 * config/spu/spu-c.c: New file.
3605 * config/spu/spu-elf.h: New file.
3606 * config/spu/spu-modes.def: New file.
3607 * config/spu/spu-protos.h: New file.
3608 * config/spu/spu.c: New file.
3609 * config/spu/spu.h: New file.
3610 * config/spu/spu.md: New file.
3611 * config/spu/spu.opt: New file.
3612 * config/spu/spu_internals.h: New file.
3613 * config/spu/spu_intrinsics.h: New file.
3614 * config/spu/spu_mfcio.h: New file.
3615 * config/spu/t-spu-elf: New file.
3616 * config/spu/vec_types.h: New file.
3617 * config/spu/vmx2spu.h: New file.
3618 * doc/contrib.texi: Document SPU contributor.
3619 * doc/extend.texi: Document SPU extensions.
3620 * doc/invoke.texi: Document SPU options.
3621 * doc/md.texi: Document SPU constraints.
3623 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3625 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3627 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3629 (flow_loop_dump): Do not dump loop level.
3630 (flow_loops_find): Do not call flow_loops_level_compute.
3631 * cfgloop.h (struct loop): Remove level field.
3633 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3635 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3636 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3637 Use vector of edges instead of array.
3638 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3639 estimate_numbers_of_iterations_loop): Ditto.
3640 * predict.c (predict_loops): Ditto.
3641 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3642 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3644 * basic-block.h: Declare heap allocation for edge vectors.
3645 * tree-outof-ssa.c: Ditto.
3646 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3647 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3649 2006-11-20 Zack Weinberg <zackw@panix.com>
3651 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3652 Add another out parameter, "skip".
3653 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3654 is tagged "skip", do not mark its type used.
3656 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3659 * tree-sra.c (single_scalar_field_in_record_p): New function.
3660 (decide_block_copy): Use it.
3662 2006-11-20 David Daney <ddaney@avtrex.com>
3664 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3665 PC to point to following instruction.
3667 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3671 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3673 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3675 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3677 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3678 Add sh/superh.h to tm_file.
3680 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3681 Mark Mitchell <mark@codesourcery.com>
3683 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3685 (cpp_relocated): New function.
3686 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3688 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3689 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3690 replace configured prefix with gcc_exec_prefix.
3692 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3694 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3695 bfin_legitimate_constant_p.
3696 * config/bfin/bfin.md (movsi expander): Check return value of
3698 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3699 (expand_move): Adjust prototype.
3700 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3701 invalid constants specially.
3702 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3704 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3706 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3707 sibcall_value_symbol): Allow these patterns if
3708 TARGET_LEAF_ID_SHARED_LIBRARY.
3709 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3710 (override_options): Turn on id shared library flags if -msep-data,
3711 but disallow the combination of these options on the command line.
3712 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3713 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3714 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3715 -mid-shared-library.
3716 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3717 * doc/invoke.texi (Blackfin Options): Document new switches.
3719 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3720 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3722 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3723 inflate costs for addresses with an out-of-bounds address.
3725 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3728 * fwprop.c (loops): Remove.
3729 (forward_propagate_into): Use current_loops instead of
3731 (fwprop_init): Call loop_optimizer_init instead of
3733 (fwprop_done): Call loop_optimizer_finalize instead of
3735 (fwprop): Use current_loops instead of loops.
3737 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3740 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3742 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3745 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3746 larger than BITS_PER_WORD.
3748 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3752 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3753 to MAX_FIXED_MODE_SIZE.
3755 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3757 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3758 (fold_builtin_fmin_fmax): New.
3759 (fold_builtin_1): Use it.
3761 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3763 2006-11-18 Richard Guenther <rguenther@suse.de>
3765 * config/i386/i386.c (ix86_builtins): New array for ix86
3766 builtin function decls.
3767 (def_builtin): New function.
3768 (def_builtin_const): Likewise.
3769 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3771 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3773 * doc/invoke.texi (core2): Add item.
3775 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3777 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3778 (TARGET_CPU_DEFAULT_generic): Change value.
3779 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3780 (processor_type): Add new constant PROCESSOR_CORE2.
3782 * config/i386/i386.md (cpu): Add core2.
3784 * config/i386/i386.c (core2_cost): New initialized variable.
3785 (m_CORE2): New macro.
3786 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3787 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3788 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3789 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3790 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3791 x86_accumulate_outgoing_args, x86_prologue_using_move,
3792 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3793 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3794 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3795 x86_pad_returns): Add m_CORE2.
3796 (override_options): Add entries for Core2.
3797 (ix86_issue_rate): Add case for Core2.
3799 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3801 * doc/invoke.texi: Fix mno-isel typo.
3803 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3805 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3806 easy vector constant loads.
3808 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3810 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3811 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3812 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3813 * config/rs6000/sync.md (lwsync): Emit plain sync if
3816 2006-11-17 DJ Delorie <dj@redhat.com>
3818 * reload1.c (reloads_unique_chain): New.
3819 (reloads_conflict): Call it.
3821 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3823 * config/xtensa/predicates.md (addsubx_operand): New.
3824 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3825 (xtensa_emit_bit_branch): New.
3826 (xtensa_emit_movcc): New.
3827 * config/xtensa/xtensa.md (any_minmax): New code macro.
3828 (minmax): New code attribute.
3829 (any_cond, any_scc, any_scc_sf): New code macros.
3830 (*addx2, *addx4, *addx8): Delete.
3832 (*subx2, *subx4, *subx8): Delete.
3834 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3835 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3836 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3837 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3838 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3839 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3840 (movsfcc_internal0, movsfcc_internal1): Likewise.
3841 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3842 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3843 (xtensa_emit_bit_branch): New.
3844 (xtensa_emit_movcc): New.
3845 (function_arg_boundary): Add missing prototype.
3847 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3849 * config/xtensa/xtensa.md (tstsi): Delete
3851 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3853 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3855 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3857 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3859 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3861 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3863 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3865 * tree-vrp.c (execute_vrp): Do not update current_loops.
3866 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3867 * doc/loop.texi: Remove documentation for cancelled functions.
3868 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3869 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3871 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3872 (remove_path): Ensure that in delete_basic_blocks, the loops
3873 are still allocated.
3874 (add_loop): Work on valid loop structures.
3875 (loopify): Modify call of add_loop.
3876 (mfb_update_loops): Removed.
3877 (create_preheader): Do not update loops explicitly.
3878 (force_single_succ_latches, loop_version): Do not use
3879 loop_split_edge_with.
3880 (loop_split_edge_with): Removed.
3881 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3882 Do not use bsi_insert_on_edge_immediate_loop.
3883 (split_loop_exit_edge, tree_unroll_loop): Do not use
3884 loop_split_edge_with.
3885 (bsi_insert_on_edge_immediate_loop): Removed.
3886 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3887 use loop_split_edge_with.
3888 * cfghooks.c: Include cfgloop.h.
3889 (verify_flow_info): Verify that loop_father is filled iff current_loops
3891 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3892 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3894 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3896 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3897 loop_split_edge_with.
3898 (sms_schedule): Use current_loops.
3899 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3900 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3902 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3903 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3904 * ifcvt.c (if_convert): Ditto.
3905 * predict.c (predict_loops): Do not clear current_loops.
3906 (tree_estimate_probability): Use current_loops.
3907 (propagate_freq): Receive head of the region to propagate instead of
3909 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3910 (estimate_loops): New function. Handle case current_loops == NULL.
3911 (estimate_bb_frequencies): Do not allocate tovisit. Use
3913 * tree-ssa-loop.c (current_loops): Removed.
3914 (tree_loop_optimizer_init): Do not return loops.
3915 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3916 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3917 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3918 Do not update loops explicitly.
3919 * function.h (struct function): Add x_current_loops field.
3920 (current_loops): New macro.
3921 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3922 * loop-unroll.c (split_edge_and_insert): New function.
3923 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3924 use loop_split_edge_with.
3925 * loop-doloop.c (add_test, doloop_modify): Ditto.
3926 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3927 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3928 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3929 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3931 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3932 (flow_loops_free): Do not free dfs_order and rc_order.
3933 (flow_loops_find): Do not set dfs_order and rc_order in loops
3934 structure. Do not call loops and flow info verification.
3935 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3936 already belongs to some loop.
3937 * cfgloop.h (struct loops): Remove struct cfg.
3938 (current_loops, loop_split_edge_with): Declaration removed.
3939 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3940 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3941 Declaration removed.
3942 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3943 * basic-block.h (split_edge_and_insert): Declare.
3944 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3946 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3948 PR tree-optimization/29801
3949 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3950 (get_default_value): Use get_symbol_constant_value.
3951 (set_lattice_value): ICE when the value of the constant is
3953 (visit_assignment): Ignore VDEFs of read-only variables.
3955 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3957 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3959 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3960 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3962 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3964 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3965 select subvars of var.
3967 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3970 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3971 optimize if DEF doesn't have integral type.
3973 2006-11-16 Mike Stump <mrs@apple.com>
3975 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3976 pre-darwin9 system, unless the user asks for it directly.
3977 (PREFERRED_DEBUGGING_TYPE): Likewise.
3978 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3979 * config.gcc: Add suppport for darwin9.h.
3980 * config/darwin9.h: Add.
3981 * doc/install.texi (Specific): Clarify darwin documentation.
3983 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3985 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3986 optimizing for size.
3988 2006-11-16 Mike Stump <mrs@apple.com>
3990 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3992 2006-11-16 Dirk Mueller <dmueller@suse.de>
3994 * tree-vrp.c (get_value_range): Use XCNEW instead
3996 (insert_range_assertions): Use XCNEWVEC instead
3997 of XNEWVEC and memset.
3998 (vrp_initialize): Same.
3999 (vrp_finalize): Same.
4000 * tree-ssa-ccp.c (ccp_initialize): Same.
4001 * predict.c (tree_bb_level_predictions): Same.
4002 * calls.c (expand_call): Same.
4003 * tree-ssa-copy.c (init_copy_prop): Same.
4004 (fini_copy_prop): Same.
4005 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4006 of GGC_NEW and memset.
4008 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4011 * gimplify.c (gimplify_expr): Only force a load for references to
4012 non-BLKmode volatile values.
4013 * doc/implement-c.texi (Qualifiers implementation): Document the
4014 interpretation of what a volatile access is.
4015 * doc/extend.texi (C++ Extensions): Rework same documentation.
4017 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4019 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4022 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4024 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4026 (arm_neg_abssi2): Renamed from neg_abssi2.
4027 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4029 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4031 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4032 number of arguments passed to local functions in SSE registers is 3.
4034 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4035 number of arguments passed in SSE registers to 3.
4037 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4040 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4042 (get_last_bb_insn): ... new global function.
4043 (basic_block.h): Declare it.
4044 * haifa-sched.c (create_recovery_block): Use it.
4046 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4049 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4051 2006-11-15 Paul Brook <paul@codesourcery.com>
4053 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4054 _Unwind_GetTextRelBase): Move from here ...
4055 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4056 _Unwind_GetTextRelBase): ... To here.
4058 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4060 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4061 addresses we generate for testing are aligned.
4063 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4066 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4067 to what is the const decl is a place holder for.
4069 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4071 * config/i386/i386.opt: New target option -mx87regparm.
4073 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4074 and float_in_x87 variables. mmx_words, sse_words: Remove.
4075 (X87_REGPARM_MAX): Define.
4077 * config/i386/i386.c (override_options): Error out for
4078 -mx87regparm but no 80387 support.
4079 (ix86_attribute_table): Add x87regparm.
4080 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4081 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4082 (ix86_function_x87regparm): New function.
4083 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4085 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4087 (function_arg_advance): Process x87_nregs and x87_regno when
4088 floating point argument is to be passed in 80387 register.
4089 (function_arg): Pass XFmode arguments in 80387 registers for local
4090 functions. Pass SFmode and DFmode arguments to local functions
4091 in 80387 registers when flag_unsafe_math_optimizations is set.
4093 * reg-stack.c (convert_regs_entry): Disable NaN load for
4094 stack registers that are used for argument passing.
4096 * doc/extend.texi: Document x87regparm function attribute.
4097 * doc/invoke.texi: Document -mx87regparm.
4099 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4101 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4102 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4103 arg MODE; all callers changed. Use it to determine validity per
4104 machine mode instead of using Pmode for all memory references.
4105 (get_address_cost): Likewise add and use new arg MEM_MODE.
4107 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4108 J"orn Rennecke <joern.rennecke@st.com>
4110 * combine.c (likely_spilled_retval_1): Fix masking operation.
4111 (likely_spilled_retval_p): Use proper pattern for call to
4112 likely_spilled_retval_1.
4114 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4116 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4118 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4119 that tests for CONSTANT_POOL_ADDRESS_P.
4121 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4123 PR tree-optimization/29581
4124 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4125 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4126 type is different between Y and USE, create a temporary
4127 variable, initialize it at the beginning of the body bb
4128 and use it as replacement instead of Y.
4130 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4133 * gimplify.c (fold_indirect_ref_rhs): Use
4134 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4136 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4138 * expmed.c (emit_store_flag_1): New function.
4139 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4141 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4142 Use do_compare_rtx_and_jump.
4143 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4144 * arm.md (cstoresi4): New define_expand.
4145 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4146 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4147 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4149 2006-11-14 Caroline Tice <ctice@apple.com>
4151 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4152 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4154 (pubname_table): Redefine as a vector.
4155 (pubtype_table): New static global variable, defined as a vector.
4156 (pubname_table_allocated): Remove static global variable.
4157 (pubname_table_in_use): Remove static global variable.
4158 (PUBNAME_TABLE_INCREMENT): Remove constant.
4159 (size_of_pubnames): Add parameter to deal with either pubnames or
4160 pubtypes, and change code to deal with table being a vector.
4161 (add_pubname): Change to deal with table being a vector.
4162 (add_pubtype): New function.
4163 (output_pubnames): Add parameter to deal with either pubnames or
4164 pubtypes, and change code to deal with table being a vector.
4165 (gen_array_type_die): Add call to add_pubtype.
4166 (gen_enumeration_type_die): Add call to add_pubtype.
4167 (gen_struct_or_union_type_die): Add call to add_pubtype.
4168 (gen_subroutine_type_die): Add call to add_pubtype.
4169 (gen_typedef_die): Add call to add_pubtype.
4170 (dwarf2out_init): Add code to initialize pubname_table and
4171 pubtype_table vectors; also initialize debug_pubtypes_section.
4172 (prune_unused_types): Change to deal with pubnames being a vector.
4173 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4174 pubnames table to call to output_pubnames; Add code to output pubtypes
4175 table if DEBUG_PUBTYPES_SECTION is defined.
4176 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4178 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4180 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4182 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4183 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4184 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4185 movv2si_internal): Support moves between core registers.
4187 2006-11-14 Eric Christopher <echristo@apple.com>
4189 * configure: Regenerate with autoconf 2.59.
4191 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4193 Fix PR tree-optimization/27755
4195 * tree-ssa-pre.c: Update comments.
4196 (bb_bitmap_sets): Add pa_in and deferred member.
4197 (BB_DEFERRED): New macro.
4198 (maximal_set): New variable.
4199 (pre_stats): Add pa_insert member.
4200 (bitmap_set_and): Short circuit orig == dest.
4201 (bitmap_set_subtract_values): New function.
4202 (bitmap_set_contains_expr): Ditto.
4203 (translate_vuses_through_block): Add phiblock argument.
4204 (dependent_clean): New function.
4205 (compute_antic_aux): Update for maximal_set changes.
4206 (compute_partial_antic_aux): New function.
4207 (compute_antic): Handle partial anticipation.
4208 (do_partial_partial_insertion): New function.
4209 (insert_aux): Handle partial anticipation.
4210 (add_to_sets): Add to maximal set.
4211 (compute_avail): Ditto.
4212 (init_pre): Initialize maximal_set.
4213 (execute_pre): Do partial anticipation if -O3+.
4215 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4217 PR rtl-optimization/29798
4219 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4220 TARGET_INSN before any other check.
4221 (fwprop_init): Always calculate dominators.
4222 (fwprop_done): Always free them.
4224 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4226 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4229 2006-11-13 DJ Delorie <dj@redhat.com>
4231 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4232 temporary for intermediates.
4234 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4236 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4237 (sh_optimize_target_register_callee_saved): #if 0 the code
4238 using NOTE_INSN_LOOP_{BEG,END}.
4240 2006-11-13 Roger Sayle <roger@eyesopen.com>
4242 * fold-const.c (optimize_bit_field_compare): Recursively call
4243 fold when simplifying non-constant comparisons between bit-fields.
4245 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4247 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4249 * configure: Rebuilt.
4251 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4253 * config/rs6000/cell.md: New file.
4254 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4256 (ppccell_cost): New cost matrix.
4257 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4258 (rs6000_override_options): Set rs6000_always_hint to false
4259 for cell. Also align functions/lables/loops to 8byte
4260 for the Cell. Use PROCESSOR_CELL.
4261 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4262 using_mtcr_multiple.
4263 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4264 on the Cell, return 0.
4265 (rs6000_adjust_cost): Add Cell cost adjustments.
4266 (is_microcoded_insn): Return true for Cell microcoded
4268 (is_nonpipeline_insn): New function.
4269 (rs6000_issue_rate): Add PROCESSOR_CELL.
4270 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4272 (rs6000_use_sched_lookahead_guard): New function.
4273 (rs6000_sched_reorder): Reorder the ready list, if the second
4274 to last ready insn is a nonepipeline insn on the Cell.
4275 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4276 (ASM_CPU_SPEC): Add Cell.
4277 * config/rs6000/rs6000.md (cpu): Add Cell.
4278 (cell_micro): New Attr.
4281 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4283 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4285 * configure: Rebuilt.
4287 2006-11-13 Richard Guenther <rguenther@suse.de>
4289 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4291 (ix86_expand_lfloorceil): Likewise.
4292 (ix86_expand_rint): Likewise.
4293 (ix86_expand_floorceildf_32): Likewise.
4294 (ix86_expand_floorceil): Likewise.
4295 (ix86_expand_rounddf_32): Likewise.
4296 (ix86_expand_truncdf_32): Likewise.
4297 (ix86_expand_round): Likewise.
4299 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4300 Mark Mitchell <mark@codesourcery.com>
4302 * gcc.c: Organize search path variables into $prefix relative,
4303 and well-known native. Add comments.
4304 (add_sysrooted_prefix): Add comment.
4305 (process_command): If !gcc_exec_prefix add $prefix based paths.
4306 If *cross_compile == '0', add native well-known paths.
4307 Assert tooldir_base_prefix is always relative.
4308 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4309 use this value for 'install:' path.
4310 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4312 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4314 * config/i386/i386.c: Fix a typo in comment.
4316 2006-11-13 Michael Matz <matz@suse.de>
4318 * genemit.c (gen_expand): Allocate enough memory.
4320 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4322 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4323 __GXX_TYPEINFO_EQUALITY_INLINE but not
4324 __GXX_MERGED_TYPEINFO_NAMES.
4325 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4326 __GXX_MERGED_TYPEINFO_NAMES.
4327 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4328 __GXX_TYPEINFO_EQUALITY_INLINE.
4330 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4331 Zdenek Dvorak <dvorakz@suse.cz>
4333 PR tree-optimization/29680
4334 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4337 2006-11-12 Jason Merrill <jason@redhat.com>
4338 Andrew Pinski <pinskia@physics.uc.edu>
4341 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4343 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4345 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4346 * tree.c (build_vector): Handle non-_CST elements.
4348 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4350 * genemit.c (gen_insn): Call gen_exp with a non-null used
4351 when handling multiple insns.
4352 (gen_expand): Likewise.
4353 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4354 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4355 (movsi_const_16bit+1): Copy operands[1].
4356 (call_pcrel): Copy the call_site pattern.
4357 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4359 2006-11-12 Roger Sayle <roger@eyesopen.com>
4361 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4362 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4363 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4364 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4366 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4368 Fix PR tree-optimization/29587
4369 * tree-ssa-structalias.c (process_constraint): Don't
4370 mark address taken due only to escaped vars constraint.
4372 2006-11-12 Michael Matz <matz@suse.de>
4373 Roger Sayle <roger@eyesopen.com>
4375 PR rtl-optimization/29797
4376 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4377 BITS_BIG_ENDIAN targets.
4379 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4381 * builtins.c (fold_builtin_cosh): New.
4382 (fold_builtin_1): Use it.
4383 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4384 trunc to the list of "odd" functions. Also add llrint, lrint,
4385 rint and nearbyint when flag_rounding_math is false.
4387 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4389 * tree-flow.h (name_mappings_registered_p): Declare.
4390 * tree-into-ssa.c (name_mappings_registered_p): New function.
4391 * tree-cfg.c (tree_can_merge_blocks_p): Check
4392 name_mappings_registered_p instead of need_ssa_update_p.
4394 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4396 * tree-ssa-loop.c (tree_vectorize): Return the result of
4398 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4399 if anything changed.
4400 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4401 * tree-flow.h (vectorize_loops): Declaration changed.
4403 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4405 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4407 (issue_prefetch_ref): Move assignment to write_p out of loop.
4408 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4409 SIMULTANEOUS_PREFETCHES into account.
4410 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4411 * lambda-code.c (lcm): Renamed to ...
4412 (least_common_multiple): ... and exported.
4413 * tree-flow.h (least_common_multiple): Declare.
4415 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4417 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4418 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4419 ud-chains. Handle AND_EXPR.
4420 (record_estimate): Record whether the estimate is realistic
4421 and whether it is derived from a loop exit.
4422 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4423 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4425 (compute_estimated_nb_iterations): Take only realistic bounds into
4426 account. Set estimate_state. Use double_ints.
4427 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4428 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4429 that do not have to be always executed.
4430 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4431 to determine whether to call infer_loop_bounds_from_undefined
4432 and compute_estimated_nb_iterations.
4433 (n_of_executions_at_most): Use double_ints.
4434 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4435 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4436 * double-int.c (double_int_to_tree): Improve comment.
4437 (double_int_fits_to_tree_p): New function.
4438 * double-int.h (double_int_fits_to_tree_p): Declare.
4439 * tree-data-ref.c: Include langhooks.h.
4440 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4441 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4442 (analyze_array): Do not pass estimate_only argument to
4443 analyze_array_indexes.
4444 (get_number_of_iters_for_loop): Build tree from the stored double_int
4446 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4447 (find_data_references_in_loop): Use find_data_references_in_stmt.
4448 * tree-data-ref.h (struct data_ref_loc_d): New.
4449 (get_references_in_stmt): Declare.
4450 (estimate_iters_using_array): Declaration removed.
4451 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4452 double_int. Improve comments. Add is_exit and realistic
4454 (struct loop): Changed type of estimated_nb_iterations to double_int.
4455 Added estimate_state field.
4456 (record_estimate): Declaration removed.
4458 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4460 * params.c (set_param_value): Initialize the "set" field.
4461 * params.h (struct param_info): Add "set" field.
4462 (PARAM_SET_P): New macro.
4463 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4464 L1_CACHE_LINE_SIZE): New macros.
4465 * toplev.c (DEFPARAM): Initialize the "set" field.
4466 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4467 SIMULTANEOUS_PREFETCHES): Removed.
4468 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4469 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4470 * config/sparc/sparc.c: Include params.h.
4471 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4472 L1_CACHE_LINE_SIZE parameters.
4473 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4475 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4477 * config/i386/i386.c: Include params.h.
4478 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4479 (override_options): Set SIMULTANEOUS_PREFETCHES and
4480 L1_CACHE_LINE_SIZE parameters.
4481 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4482 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4483 L1_CACHE_LINE_SIZE parameters.
4484 * config/ia64/ia64.c (ia64_optimization_options): Set
4485 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4486 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4488 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4489 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4490 * doc/invoke.texi: Document new params.
4492 2006-11-12 Roger Sayle <roger@eyesopen.com>
4494 PR tree-optimization/13827
4495 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4498 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4500 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4501 update_single_exit_for_duplicated_loops): New functions.
4502 (duplicate_loop_to_header_edge): Use
4503 update_single_exit_for_duplicated_loops.
4504 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4505 functions only with ENABLE_CHECKING.
4507 2006-11-12 Andreas Schwab <schwab@suse.de>
4509 * except.c (sjlj_emit_function_enter): Remove unused variable.
4511 2006-11-11 Roger Sayle <roger@eyesopen.com>
4513 * fold-const.c (int_binop_types_match_p): New function.
4514 (size_binop): Relax constraint that both arguments must both have
4515 exactly the same sizetype type. Instead use int_binop_types_match_p.
4516 (size_diffop): Likewise.
4518 (make_range): Use build_int_cst instead of fold_convert.
4519 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4520 integer constants of the correct type.
4521 (fold_div_compare): Likewise.
4522 (fold_single_bit_test): Likewise.
4523 (fold_binary): Likewise.
4524 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4525 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4527 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4530 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4531 non null value if the struct memory access is in the 0th
4534 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4537 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4538 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4541 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4542 instead of builtin_define for bfin and BFIN.
4544 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4546 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4549 2006-11-11 Jan Hubicka <jh@suse.cz>
4551 * extend.texi (__builtin_expect): We no longer require second argument
4553 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4554 * builtins.c (expand_builtin_expect): Simplify.
4555 (expand_builtin_expect_jump): Kill.
4556 * final.c (final_scan_insn): Do not skip the removed notes.
4557 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4558 EXPECTED_VALUE): Remove.
4559 * dojump.c (do_jump): Do not care about __builtin_expect.
4560 * predict.c (expected_value_to_br_prob): Kill.
4561 * function.c (expand_function_end): Do not expand
4562 NOTE_INSN_REPEATED_LINE_NUMBER.
4563 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4564 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4565 * cfgexpand.c (add_reg_br_prob_note): Export.
4566 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4567 expected_value_to_br_prob.
4568 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4569 * rtl.h (add_reg_br_prob_note): Declare.
4571 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4573 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4575 2006-11-11 Jan Hubicka <jh@suse.cz>
4577 * predict.c (predict_loops): Kill RTL variant.
4579 2006-11-11 Jan Hubicka <jh@suse.cz>
4581 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4582 * modulo-sched.c (find_line_note): Remove.
4583 (loop_canon_p): Do not worry about line number notes.
4584 (sms_schedule): Likewise.
4585 * cse.c (cse_main): Likewise.
4586 * regmove.c (fixup_match_1): Likewise
4587 * function.c (emit_return_info_block): Likewise.
4588 (expand_function_end): Likewise.
4589 (thread_prologue_an_epilogue_insns): Likewise.
4590 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4592 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4593 emit_note_copy_after): Kill.
4594 (emit_note_copy): Do not worry about line numbers.
4595 * jump.c (purge_line_number_notes): Kill.
4596 (pass_purge_lineno_notes): Kill.
4597 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4599 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4600 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4601 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4602 * tree-pass.h (pass_purge_lineno_notes): Kill.
4603 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4604 rm_redundant_line_notes.
4605 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4606 rm_redundant_line_notes.
4607 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4608 * haifa-sched.c: Update comment about handling notes.
4609 (unlink_line_notes): Kill.
4610 (rm_line_notes): Kill.
4611 (save_line_notes): Simplify.
4612 (rm_redundant_line_notes): Kill.
4614 2006-11-11 Richard Guenther <rguenther@suse.de>
4616 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4617 Remove unused tree codes.
4618 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4619 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4620 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4621 * tree.c (stabilize_reference): Likewise.
4622 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4623 fold_unary): Likewise.
4624 * tree-gimple.c (is_gimple_cast): Likewise.
4625 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4626 * expr.c (expand_expr_real_1): Likewise.
4627 * tree-eh.c (tree_could_trap_p): Likewise.
4628 * gimplify.c (gimplify_expr): Likewise.
4629 * tree-inline.c (estimate_num_insns_1): Likewise.
4630 * tree-cfg.c (verify_expr): Likewise.
4632 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4634 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4635 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4636 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4638 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4641 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4642 constraints accept neither registers or memories.
4644 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4646 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4647 (NO_PROFILE_COUNTERS): Define as 1.
4649 2006-11-10 Roger Sayle <roger@eyesopen.com>
4651 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4652 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4654 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4656 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4658 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4660 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4661 (fold_builtin_hypot): Likewise.
4662 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4664 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4666 2006-11-10 Roger Sayle <roger@eyesopen.com>
4668 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4669 when attempting to build INTEGER_CSTs of non-integral types.
4670 * expmed.c (make_tree): Use the correct type, i.e. the inner
4671 type, when constructing the individual elements of a CONST_VECTOR.
4673 2006-11-10 Jan Hubicka <jh@suse.cz>
4675 * cse.c (cse_process_notes): Copy the propagated value.
4676 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4678 * gcse.c (try_replace_reg): Copy the replacement.
4679 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4680 (assign_386_stack_local): Always return copied memory expression
4681 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4684 2006-11-10 Jan Hubicka <jh@suse.cz>
4686 * final.c (final): Walk from first instruction.
4687 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4689 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4692 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4694 (umulv8hi3_highpart): Ditto.
4695 (vec_widen_smult_hi_v8hi): New expander.
4696 (vec_widen_smult_lo_v8hi): Ditto.
4698 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4701 * builtins.c (do_mpfr_arg3): New.
4702 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4704 2006-11-09 Eric Christopher <echristo@apple.com>
4709 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4710 * config.gcc (powerpc64-*-darwin*): New target.
4711 * config.host: Ditto.
4712 * config/rs6000/darwin64.h: New file.
4713 * config/rs6000/x-darwin64: Ditto.
4714 * config/rs6000/host-ppc64-darwin.c: Ditto.
4716 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4718 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4719 routines for integer division.
4721 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4723 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4725 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4728 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4730 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4732 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4733 simplify_subreg with BLKmode outer mode.
4735 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4737 * doc/invoke.texi: Minor formatting fixes in option lists.
4739 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4741 PR tree-optimization/29738
4742 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4743 (ccp_lattice_t): Remove UNKNOWN_VAL.
4744 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4745 Do not handle UNKNOWN_VAL.
4746 (get_default_value): Set initial value of virtual operands to
4748 (get_value): Always use get_default_value on uninitialized
4750 (set_value_varying, surely_varying_stmt_p): New functions.
4751 (set_lattice_value): Do not pass argument to get_value.
4752 Do not handle UNKNOWN_VAL.
4753 (likely_value): Follow the semantics described in the comment.
4754 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4755 phi nodes DONT_SIMULATE_AGAIN.
4756 (ccp_fold): Do not pass argument to get_value.
4757 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4760 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4762 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4763 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4765 2006-11-08 Roger Sayle <roger@eyesopen.com>
4767 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4768 test for inclusion rather than as a test for exclusion.
4769 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4770 the condition after calling fold_binary.
4771 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4772 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4773 * builtins.c (fold_builtin_isascii): Likewise.
4774 (fold_builtin_isdigit): Likewise.
4776 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4778 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4779 * configure: Regenerate.
4781 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4783 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4784 enum argument instead of bool.
4785 (vect_analyze_operations): Call vectorizable_type_promotion.
4786 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4787 stmt_vec_info_type value.
4788 (supportable_widening_operation, vectorizable_type_promotion): New
4789 function declarations.
4790 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4791 (vectorizable_type_promotion): New function.
4792 (vect_transform_stmt): Call vectorizable_type_promotion.
4793 * tree-vect-analyze.c (supportable_widening_operation): New function.
4794 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4796 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4799 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4800 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4801 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4803 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4804 * expr.c (expand_expr_real_1): Likewise.
4805 * optabs.c (optab_for_tree_code): Likewise.
4806 (init_optabs): Initialize new optabs.
4807 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4808 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4809 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4810 vec_unpacku_lo_optab): Initialize new optabs.
4811 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4812 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4813 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4815 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4816 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4817 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4818 (vec_unpacku_lo_optab): New optabs.
4819 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4820 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4821 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4822 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4823 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4824 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4826 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4827 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4828 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4829 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4830 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4831 implement the unsigned unpacking patterns.
4832 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4833 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4834 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4835 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4836 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4837 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4838 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4839 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4840 multiplication patterns.
4842 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4843 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4844 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4845 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4846 (rs6000_builtin_mul_widen_odd): New.
4847 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4848 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4849 * tree-vectorizer.h (enum vect_relevant): New enum type.
4850 (_stmt_vec_info): Field relevant chaned from bool to enum
4852 (STMT_VINFO_RELEVANT_P): Updated.
4853 (STMT_VINFO_RELEVANT): New.
4854 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4855 instead of STMT_VINFO_RELEVANT_P.
4856 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4857 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4858 and boolean variable with enum vect_relevant.
4859 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4860 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4861 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4863 2006-11-08 Richard Henderson <rth@redhat.com>
4865 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4866 vec_widen_umult_lo_v8hi): New.
4867 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4868 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4870 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4871 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4872 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4873 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4874 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4875 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4876 vec_unpacks_lo_v4si): New.
4878 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4880 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4881 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4882 (vect_analyze_operations): Call vectorizable_type_demotion.
4883 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4884 stmt_vec_info_type value.
4885 (vectorizable_type_demotion): New function declaration.
4886 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4889 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4890 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4892 * tree-iniline.c (estimate_num_insns_1): Likewise.
4893 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4894 * optabs.c (optab_for_tree_code): Likewise.
4896 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4897 compared against the predicate of the result is not 'mode' (the input
4898 to the function) but a mode with half the size of 'mode'.
4899 (init_optab): Initialize new optabs.
4900 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4902 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4904 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4905 (vec_pack_usat_optab): Initialize new optabs.
4906 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4907 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4909 2006-11-08 Richard Henderson <rth@redehat.com>
4911 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4912 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4913 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4914 (vec_interleave_highv4si, vec_interleave_lowv4si):
4915 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4917 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4919 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4921 (vect_transform_stmt): Removed redundant code.
4923 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4925 * tree-vect-transform.c (vectorizable_operation): Support multiple
4928 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4930 * tree-vect-transform.c (vect_align_data_ref): Removed.
4931 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4932 Updated function documentation. Return the increment stmt in ptr_incr.
4933 (bump_vector_ptr): New function.
4934 (vect_get_vec_def_for_stmt_copy): New function.
4935 (vect_finish_stmt_generation): Create a stmt_info to newly created
4937 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4939 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4940 VF is greater than the number of elements that can fit in one vector
4942 (vectorizable_operation, vectorizable_condition): Likewise.
4943 (vectorizable_store, vectorizable_load): Support the case that the VF
4944 is greater than the number of elements that can fit in one vector word.
4945 (vect_transform_loop): Don't fail in case of multiple data-types.
4946 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4947 in case of multiple data-types; the smallest type determines the VF.
4948 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4949 if they are of different sizes.
4950 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4951 number of elements rather than number of bytes.
4952 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4953 (vect_can_advance_ivs_p): Fix a dump printout
4955 2006-11-07 Eric Christopher <echristo@apple.com>
4957 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4958 (__bswapsi2): Ditto.
4959 * libgcc2.h: Remove transformation of bswap routines.
4960 * config/i386/i386.md (bswapsi2): New.
4963 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4965 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4966 (handle_gnu_inline_attribute): New function.
4967 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4968 (merge_decls, start_decl, start_function): Likewise.
4969 * doc/extend.texi: Document gnu_inline attribute.
4971 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4974 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4975 _fixunstfdi, and _floatditf
4977 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4979 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4981 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4982 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4983 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4984 which start in an odd register.
4986 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4988 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4990 2006-11-07 Josh Conner <jconner@apple.com>
4992 * doc/invoke.texi (fstrict-aliasing): Move implementation
4994 * doc/tree-ssa.texi (Alias analysis): ...here.
4996 2006-11-07 Richard Guenther <rguenther@suse.de>
4998 PR tree-optimization/29610
4999 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5000 of tree_purge_dead_eh_edges as it may free dominators.
5002 * g++.dg/other/pr29610.C: New testcase.
5004 2006-11-07 David Ung <davidu@mips.com>
5006 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5007 costs when optimizing for size.
5008 (override_options): Use mips_rtx_cost_optimize_size table for cost
5011 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5013 * gcc.c (process_command): Treat -b as normal switch if its argument
5016 2006-11-07 David Ung <davidu@mips.com>
5018 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5021 2006-11-06 Eric Christopher <echristo@apple.com>
5023 * config.gcc: Add x86_64-darwin host support.
5024 * config.host: Ditto.
5025 * config/i386/darwin64.h: New file.
5026 * config/i386/t-darwin64: Ditto.
5028 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5030 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5031 and output-exists-not.
5033 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5036 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5037 checking for overflow.
5039 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5041 * configure.ac: Fixed typo in case statement: :: changed to ;;
5043 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5045 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5046 count_leading_zeros, and count_trailing_zeros.
5047 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5048 (TARGET_FOLD_BUILTIN): Define.
5049 (TARGET_EXPAND_BUILTIN): Define.
5050 (xtensa_init_builtins): New.
5051 (xtensa_fold_builtin): New.
5052 (xtensa_expand_builtin): New.
5053 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5054 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5055 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5056 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5057 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5058 (any_extend): New code macro.
5059 (u, su): New code attributes.
5060 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5061 (nsau): Remove; replaced by clzsi2.
5062 (ffssi2): Use clzsi2.
5063 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5064 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5065 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5066 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5067 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5069 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5071 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5073 * config/arm/t-strongarm-elf: Likewise.
5074 * config/arm/t-pe: Likewise.
5075 * config/arm/t-arm-elf: Likewise.
5076 * config/arm/t-xscale-elf: Likewise.
5077 * config/arm/t-arm-coff: Likewise.
5078 * config/arm/t-xscale-coff: Likewise.
5079 * config/arm/t-wince-pe: Likewise.
5081 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5083 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5086 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5089 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5092 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5095 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5096 as a valid 80387 constant.
5097 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5098 * config/i386/i386.md (unnamed splitter): Split the load of
5099 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5102 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5104 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5105 from the soft-frame, argument and virtual registers.
5107 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5109 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5110 patterns for standard 80387 constants.
5112 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5113 Steven Bosscher <steven@gcc.gnu.org>
5115 * fwprop.c: New file.
5116 * Makefile.in: Add fwprop.o.
5117 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5118 * passes.c (init_optimization_passes): Schedule forward propagation.
5119 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5121 * timevar.def (TV_FWPROP): New.
5122 * common.opt (-fforward-propagate): New.
5123 * opts.c (decode_options): Enable forward propagation at -O2.
5124 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5125 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5126 canon_for_address, table_size): Remove.
5127 (new_basic_block, insert, remove_from_table): Remove references to
5129 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5130 simplification loop more straightforward by not calling fold_rtx
5132 (equiv_constant): Move here a small part of fold_rtx_subreg,
5133 do not call fold_rtx. Call avoid_constant_pool_reference
5135 * recog.h (canonicalize_change_group): New.
5137 * doc/invoke.texi (Optimization Options): Document fwprop.
5138 * doc/passes.texi (RTL passes): Document fwprop.
5140 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5142 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5143 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5144 (grokdeclarator): Likewise.
5146 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5148 * tree-dump.c (dump_enable_all): Rename local variable
5149 ir_type to avoid name conflicts.
5150 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5151 instead of using ir_type().
5152 * profile.c (tree_register_profile_hooks): Likewise.
5153 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5154 * basic-block.h (struct edge_def): Likewise.
5155 * config/arm/arm.c (legitimize_pic_address): Likewise.
5156 * coretypes.h (ir_type): New enum of all intermediate languages
5158 * cfghooks.c (ir_type): Rename to...
5159 (current_ir_type): ...this. Distinguish between cfgrtl and
5160 cfglayout mode when the current IR is RTL. Return enum ir_type.
5161 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5163 2006-11-03 Paul Brook <paul@codesourcery.com>
5165 * config/arm/arm.c (arm_file_start): New function.
5166 (TARGET_ASM_FILE_START): Define.
5167 (arm_default_cpu): New variable.
5168 (arm_override_options): Set arm_default_cpu.
5170 2006-11-03 David Ung <davidu@mips.com>
5172 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5173 PROCESSOR_24KC and PROCESSOR_24KF.
5174 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5175 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5176 (mips_rtx_cost_data): Add costs for the 24kc.
5177 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5178 * config/mips/24k.md: Remove references to 24k and replace with
5179 uses of 24kc/24kf in the appropriate reservations.
5180 * doc/invoke.texi (MIPS Options): Updated.
5182 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5184 * config/sh/crt1.asm: Fix #ifdef indent.
5186 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5187 Merged from STMicroelectronics sources:
5188 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5189 * config/sh/crt1.asm (vbr_600): Add missing #if.
5190 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5191 * sh.opt (mfused-madd): New option.
5192 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5193 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5194 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5195 Remove pointless handler at VBR+0.
5196 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5197 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5198 fr7. Make sure the timer handler is called with the correct FPU
5199 precision setting, according to the ABI.
5200 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5201 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5202 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5203 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5204 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5205 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5206 zero as second operand.
5207 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5208 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5209 Fixed some bugs related to negative values, in particular -0
5210 and overflow at -0x80000000.
5211 * config/sh/divcost-analysis: Added sh4-300 figures.
5212 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5213 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5214 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5215 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5216 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5217 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5219 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5221 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5222 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5223 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5224 mac_mem, mem_mac, dfp_mul, fp_cmp.
5225 (insn_class, dfp_comp, any_fp_comp): Update.
5226 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5227 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5228 (muldf3_i): Likewise.
5229 (movsi_i): Split rI08 alternative into two separate alternatives.
5231 (movsi_ie, movsi_i_lowpart): Likewise.
5232 (movqi_i): Split ri alternative into two separate alternatives.
5234 * sh1.md (sh1_load_store, sh1_fp): Update.
5235 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5236 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5237 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5238 (sh4a_fp_double_arith): Likewise.
5239 * sh4-300.md: New file.
5240 * sh.c (sh_handle_option): Handle m4-300* options.
5241 (sh_adjust_cost): Fix latency of auto-increments.
5242 Handle SH4-300 differently than other SH4s. Check for new insn types.
5243 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5244 been set by an option.
5245 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5246 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5247 (mbranch-cost=): Likewise.
5248 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5250 * sh.md (mulsf3): Remove special expansion code.
5251 (mulsf3_ie): Now a define_insn_and_split.
5252 (macsf3): Allow for TARGET_SH4.
5254 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5255 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5256 (expand_cbranchdi4): Likewise.
5257 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5258 CONST_DOUBLE if the outer code is COMPARE.
5259 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5260 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5261 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5262 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5263 Remove redundant fp_{zero,one}_operand checks.
5264 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5265 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5266 (expand_cbranchdi4): Likewise.
5267 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5268 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5270 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5272 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5275 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5277 * doc/invoke.texi: Fix mfp-trap-mode typo.
5279 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5281 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5282 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5283 file_end_indicate_exec_stack.
5284 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5286 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5287 for a non-executable stack.
5288 * crti.asm: Likewise.
5289 * crtn.asm: Likewise.
5290 * libunwind.S: Likewise.
5292 2006-11-02 Ben Elliston <bje@au.ibm.com>
5294 * tree-ssa.c (warn_uninit): Use expand_location variables for
5295 locus and declaration locus.
5297 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5300 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5301 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5302 cmp{eq,gt,gtu}{si,di}_media.
5303 (*cmpne0si_media): Remove.
5304 (*movsicc_umin): Adjust gen_cmp*_media call.
5305 (unordered): Change the mode of unordered and operands[1] to
5307 (seq): Adjust gen_cmp*_media calls. Make the mode of
5308 a temporary result of compare SImode if needed. If the mode
5309 of operands[0] is DImode, extend the temporary result to DImode.
5310 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5311 (sunorderd): Change the mode of match_operand and unorderd to
5313 (cmpeq{sf,df}_media): Remove.
5314 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5315 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5316 and compare operation to SImode.
5318 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5320 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5322 (sparc64-sun-solaris2*): Likewise.
5324 2006-11-02 Paul Brook <paul@codesourcery.com>
5326 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5327 from priority argument. Use different section for non-default
5329 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5331 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5334 * except.c (switch_to_exception_section): Do not cache the section
5335 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5336 and flag_function_sections is set.
5338 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5341 * builtins.c (do_mpfr_sincos): New.
5342 (fold_builtin_1): Use it to fold builtin sincos.
5344 2006-11-01 Roger Sayle <roger@eyesopen.com>
5346 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5347 it into -D_REENTRANT.
5349 2006-11-01 Roger Sayle <roger@eyesopen.com>
5351 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5352 whether the assembler supports taking the difference of symbols in
5353 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5354 * configure: Regenerate.
5355 * config.in: Regenerate.
5356 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5357 the assembler doesn't support taking the difference of symbols in
5358 different sections, i.e. we're using the native solaris assembler.
5360 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5361 Peter Bergner <bergner@vnet.ibm.com>
5363 * doc/invoke.texi: Add cpu_type power6x
5364 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5365 * config.gcc: Add cpu_type power6x.
5366 * configure.ac: Add test for mf{t,f}gpr instructions.
5367 (HAVE_AS_MFPGPR): New.
5368 * config.in: Regenerate.
5369 * configure: Regenerate.
5370 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5371 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5372 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5373 and mftgpr attributes.
5374 (define_attr "cpu"): Add power6.
5375 Change instruction sequences to use new attributes.
5376 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5377 (fix_truncdfsi2_mfpgpr): New.
5378 (floatsidf_ppc64_mfpgpr): New.
5379 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5380 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5381 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5382 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5383 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5384 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5385 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5386 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5387 cntlz,exts and var_delayed_compare.
5388 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5389 _ARCH_PWR6X, if features enabled.
5390 * config/rs6000/rs6000.opt (mmfpgpr): New.
5391 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5392 (cached_can_issue_more): New variable.
5393 (processor_costs): Add power6_cost.
5394 (rs6000_sched_init): New function.
5395 (is_dispatch_slot_restricted): Deleted.
5396 (set_to_load_agen): New function.
5397 (is_load_insn,is_store_insn): New functions.
5398 (adjacent_mem_locations): New function.
5399 (insn_must_be_first_in_group): New function.
5400 (insn_must_be_last_in_group): New function.
5401 (rs6000_sched_reorder): New function.
5402 (rs6000_sched_reorder2): New function.
5403 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5404 TARGET_SCHED_REORDER2): Define.
5405 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5406 Add power6x. Add MASK_MFPGPR for power6x.
5407 (POWERPC_MASKS): Add MASK_MFPGPR.
5408 (rs6000_override_options): Set rs6000_always_hint to false
5409 for power6. Set rs6000_align_branch_targets. Replace
5410 rs6000_sched_groups check with rs6000_align_branch_targets.
5411 Use PROCESSOR_POWER6.
5412 (last_scheduled_insn): New variable.
5413 (load_store_pendulum): New variable.
5414 (rs6000_variable_issue): Set last_scheduled_insn and
5415 cached_can_issue_more.
5416 (rs6000_adjust_cost): Add power6 cost adjustments.
5417 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5418 with insn_must_be_first_in_group. Add power6 priority adjustments.
5419 (rs6000_issue_rate): Add CPU_POWER6.
5420 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5421 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5422 (TARGET_MFPGPR): New.
5423 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5424 (ASM_CPU_SPEC): Add power6x.
5425 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5427 * config/rs6000/power6.md: New file.
5429 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5431 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5432 HOST_WIDE_INT_PRINT to print high and low parts. Use
5433 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5434 printing a hexadecimal number prefix it with 0x.
5436 2006-11-01 Chris Johns <chris@contemporary.net.au>
5439 * Makefile.in (install-driver): Use exeext when installing
5440 $target-gcc-$version.
5442 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5444 * c-common.c (flag_cpp0x): New.
5445 * c-common.h (flag_cpp0x): New.
5446 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5447 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5448 * c-opts.c (set_std_cxx0x): New.
5449 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5450 * c.opt (std=c++0x): Document.
5451 (std=gnu++0x): Ditto.
5452 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5453 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5455 2006-11-01 Richard Guenther <rguenther@suse.de>
5457 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5459 (ix86_expand_floorceildf_32): Likewise.
5460 (ix86_expand_floorceil): Likewise.
5461 (ix86_expand_trunc): Likewise.
5463 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5465 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5468 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5470 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5472 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5474 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5476 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5477 * configure.ac (use_cxa_atexit): As a special case, don't test
5478 for libc definition of __cxa_atexit on mingw32
5479 * configure: Regenerate.
5480 * config.gcc (i[34567]86-pc-mingw32): Default to
5481 enable__cxa_atexit=yes.
5483 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5485 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5487 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5490 * c-decl.c (start_struct): Don't create self-containing
5492 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5494 * config/rs6000/rs6000-protos.h
5495 (darwin_rs6000_special_round_type_align): New.
5496 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5497 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5499 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5501 * toplev.c (compile_file): Call final_write_globals
5502 even if there have been errors.
5504 2006-10-31 Eric Christopher <echristo@apple.com>
5505 Falk Hueffner <falk@debian.org>
5507 * doc/extend.texi (__builtin_bswap32): Document.
5508 (__builtin_bswap64): Ditto.
5509 * doc/libgcc.texi (bswapsi2): Document.
5511 * doc/rtl.texi (bswap): Document.
5512 * optabs.c (expand_unop): Don't widen a bswap.
5513 (init_optabs): Init bswap. Set libfuncs explicitly
5514 for bswapsi2 and bswapdi2.
5515 * optabs.h (OTI_bswap): New.
5516 (bswap_optab): Ditto.
5517 * genopinit.c (optabs): Handle bswap_optab.
5518 * tree.h (tree_index): Add TI_UINT32_TYPE and
5520 (uint32_type_node): New.
5521 (uint64_type_node): Ditto.
5522 * tree.c (build_common_tree_nodes_2): Initialize
5523 uint32_type_node and uint64_type_node.
5524 * builtins.c (expand_builtin_bswap): New.
5525 (expand_builtin): Call.
5526 (fold_builtin_bswap): New.
5527 (fold_builtin_1): Call.
5528 * fold-const.c (tree_expr_nonnegative_p): Return true
5530 * builtin-types.def (BT_UINT32): New.
5532 (BT_FN_UINT32_UINT32): Ditto.
5533 (BT_FN_UINT64_UINT64): Ditto.
5534 * builtins.def (BUILT_IN_BSWAP32): New.
5535 (BUILT_IN_BSWAP64): Ditto.
5536 * rtl.def (BSWAP): New.
5537 * genattrtab.c (check_attr_value): New.
5538 * libgcc2.c (__bswapSI2): New.
5539 (__bswapDI2): Ditto.
5540 * libgcc2.h (__bswapSI2): Declare.
5541 (__bswapDI2): Ditto.
5542 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5543 * simplify-rtx.c (simplify_const_unary_operation): Return
5545 * libgcc-std.ver (__bwapsi2): Add.
5546 (__bswapdi2): Ditto.
5547 * reload1.c (eliminate_regs_1): Add bswap.
5548 (elimination_effects): Ditto.
5549 * config/i386/i386.h (x86_bswap): New.
5550 (TARGET_BSWAP): Use.
5551 * config/i386/i386.c (x86_bswap): Set.
5553 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5555 * coverage.c (coverage_checksum_string): Update comment.
5556 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5557 of get_file_function_name.
5558 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5559 of get_file_function_name_long.
5560 * tree.c (get_file_function_name): Rename from
5561 get_file_function_name_long; improve comment; handle 'I' and 'D'
5562 specially when the target has ctor/dtor support; remove special
5564 (get_file_function_name): Remove.
5565 * tree.h (get_file_function_name): Rename from
5566 get_file_function_name_long.
5567 (get_file_function_name): Remove prototype.
5569 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5571 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5572 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5574 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5575 Call dsymutil when compiling and linking one or more source files
5578 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5581 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5583 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5585 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5586 inline static functions in c99 mode.
5589 * doc/extend.texi (Inline): Update.
5590 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5591 * c-decl.c (current_extern_inline): Delete.
5592 (pop_scope): Adjust test for an undefined nested function.
5593 Add warning about undeclared inline function.
5594 (diagnose_mismatched_decls): Update comments. Disallow overriding
5595 of inline functions in a translation unit in C99. Allow inline
5596 declarations in C99 at any time.
5597 (merge_decls): Boolize variables. Handle C99 'extern inline'
5599 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5600 C99 inline semantics.
5601 (start_function): Don't clear current_extern_inline. Don't set
5603 (c_push_function_context): Don't push current_extern_inline.
5604 (c_pop_function_context): Don't restore current_extern_inline.
5607 * c-typeck.c (build_external_ref): Warn about static variables
5608 used in extern inline functions.
5609 * c-decl.c (start_decl): Warn about static variables declared
5610 in extern inline functions.
5612 2006-10-31 Roger Sayle <roger@eyesopen.com>
5615 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5616 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5617 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5618 or y is an even integer.
5620 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5623 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5624 * gthr-posix95.h (__gthread_active_p): Likewise.
5626 2006-10-31 Richard Guenther <rguenther@suse.de>
5628 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5629 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5630 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5631 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5632 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5633 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5634 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5635 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5638 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5640 * opts.c (decode_options): Disable CSE skip blocks.
5642 2006-10-30 Dirk Mueller <dmueller@suse.de>
5644 * c-common.h (strict_aliasing_warning): Fix whitespace.
5645 * c-decl (start_function): Move code for main decl warning ..
5646 * c-common.c (check_main_parameter_types): .. here.
5647 * c-common.h (check_main_parameter_types): Declare.
5649 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5652 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5654 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5656 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5657 be a PARALLEL containing sets. Return false when out_pat is not
5660 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5662 * config/mips/mips.md (mul<mode>3): Split into...
5663 (mulsi3, muldi3): ...these separate patterns.
5665 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5667 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5668 but with each set of options separated by spaces.
5670 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5672 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5673 dwarf_reg_size_table has been initialized.
5675 2006-10-30 Roger Sayle <roger@eyesopen.com>
5677 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5678 * ddg.c (print_ddg_edge): Likewise.
5679 * dwarf2out.c (prune_unused_types_walk): Likewise.
5680 * ifcvt.c (noce_try_cmove_arith): Likewise.
5681 * langhooks.c (add_builtin_function): Likewise.
5682 * reg-stack.c (subst_stack_regs_pat): Likewise.
5683 * tree.c (expanded_location): Likewise.
5684 * tree-dump.c (dequeue_and_dump): Likewise.
5686 2006-10-30 David Daney <ddaney@avtrex.com>
5688 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5690 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5692 PR tree-optimization/29637
5693 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5694 of the innertype is the innertype itself.
5696 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5698 * dwarf2out.c (file_name_acquire): Correct typo.
5700 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5702 * tree.h (tree_value_handle): Remove struct value_set declaration.
5703 Change value_set to bitmap_set.
5704 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5705 * tree-vn.c (get_value_handle): Made inline and moved to
5707 * tree-flow-inline.h: (has_stmt_ann): New function.
5708 * tree-ssa-pre.c (expressions): New variable.
5709 (next_expression_id): Ditto.
5710 (alloc_expression_id): New function.
5711 (struct value_set): Remove.
5712 (get_expression_id): New function.
5713 (get_or_alloc_expression_id): Ditto.
5714 (expression_for_id): Ditto.
5715 (clear_expression_ids): Ditto.
5716 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5717 (bb_value_sets): Renamed to bb_bitmap_sets.
5718 All value sets replaced with bitmap_sets.
5720 (BB_VISITED): New macro.
5721 (postorder): New variable.
5722 (add_to_value): Removed.
5723 (value_exists_in_set_bitmap): Ditto.
5724 (value_insert_into_set_bitmap): Ditto.
5727 (set_remove): Ditto.
5728 (set_contains_value): Ditto.
5729 (insert_into_set): Ditto.
5731 (find_leader): Ditto.
5732 (bitmap_set_subtract_from_value_set): Ditto.
5733 (value_insert_into_set): Ditto.
5734 (print_value_set): Ditto.
5735 (debug_value_set): Ditto.
5736 (constant_expr_p): New function.
5737 (bitmap_remove_from_set): Ditto.
5738 (bitmap_insert_into_set): Ditto.
5739 (bitmap_set_free): Ditto.
5740 (vh_compare): Ditto.
5741 (sorted_array_from_bitmap_set): Ditto.
5742 (bitmap_set_subtract): Ditto.
5743 (bitmap_set_equal): Ditto.
5744 (debug_bitmap_set): Ditto.
5745 (find_leader_in_sets): Ditto.
5746 (bitmap_set_replace_value): Modify for bitmapped sets.
5747 (phi_translate): Ditto.
5748 (phi_translate_set): Ditto.
5749 (bitmap_find_leader): Ditto.
5750 (valid_in_sets): Ditto.
5751 (union_contains_value): Ditto.
5753 (compute_antic_aux): Ditto. Mark changed blocks.
5754 (compute_antic): Ditto. Iterate in postorder and only over
5756 (compute_rvuse_and_antic_safe): Reuse postorder.
5757 (create_component_ref_by_pieces): Modify for bitmapped sets.
5758 (find_or_generate_expression): Ditto.
5759 (create_expression_by_pieces): Ditto.
5760 (insert_into_preds_of_block): Ditto.
5761 (changed_blocks): New variable.
5762 (do_regular_insertion): Broken out from insert_aux.
5763 (insert_aux): Modified for bitmapped sets.
5764 (find_existing_value_expr): New function.
5765 (create_value_expr_from): Use it.
5766 (insert_extra_phis): Removed.
5767 (print_bitmap_set): Renamed from bitmap_print_value_set.
5768 (compute_avail): Handle RETURN_EXPR.
5769 (init_pre): Modify for bitmapped sets.
5770 * tree-flow.h (has_stmt_ann): New function.
5772 2006-10-29 Roger Sayle <roger@eyesopen.com>
5774 * builtins.c (fold_builtin_floor): Check for the availability of
5775 the C99 trunc function before transforming floor into trunc.
5777 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5779 * builtins.c (fold_builtin_hypot): Rearrange recursive
5780 transformation before others, and also do ABS_EXPR. When
5781 necessary, check flag_unsafe_math_optimizations. When necessary,
5784 2006-10-29 Roger Sayle <roger@eyesopen.com>
5786 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5787 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5788 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5789 Fold -X eq/ne -Y as X eq/ne Y.
5791 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5793 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5794 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5795 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5796 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5797 Use an inclusive test for "mult" rather than "mul".
5798 (rotr<mode>3): Depend on ISA_HAS_ROR.
5799 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5801 (GENERATE_MULT3_DI): Delete.
5802 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5803 (ISA_HAS_MUL3): New macro.
5804 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5805 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5806 (ISA_HAS_CLZ_CLO): Likewise.
5807 (ISA_HAS_DCLZ_DCLO): Delete.
5808 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5809 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5810 the VR4120 and VR4130.
5811 (ISA_HAS_MACCHI): Use consistent formatting.
5812 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5813 (ISA_HAS_ROR): ...this new macro.
5814 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5815 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5816 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5818 2006-10-29 Roger Sayle <roger@eyesopen.com>
5820 PR tree-optimization/15458
5821 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5824 2006-10-29 Richard Guenther <rguenther@suse.de>
5826 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5827 (ix86_expand_truncdf_32): Likewise.
5828 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5829 trunc inline for SSE math and -fno-trapping-math and if not
5830 optimizing for size.
5831 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5832 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5833 for expanding btrunc inline for SSE math.
5835 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5837 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5838 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5839 i[34567]86-*-solaris2.1[0-9]*.
5840 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5841 Define conditionally depending on TARGET_64BIT_DEFAULT.
5842 (SPEC_32, SPEC_64): Define.
5843 (LINK_SPEC): Use them.
5844 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5846 2006-10-29 Richard Guenther <rguenther@suse.de>
5848 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5849 (ix86_expand_rounddf_32): Likewise.
5850 * config/i386/i386.c (ix86_expand_round): New function expanding
5851 round inline for SSE math and -fno-trapping-math and if not
5852 optimizing for size.
5853 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5854 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5855 round via ix86_expand_round.
5857 2006-10-29 Richard Guenther <rguenther@suse.de>
5859 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5860 (ix86_expand_floorceildf_32): Likewise.
5861 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5862 static helper function.
5863 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5865 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5866 * config/i386/i386.md (floordf2): Adjust to enable floor
5867 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5868 -fno-trapping-math is enabled and if not optimizing for size.
5869 (floorsf2, ceildf2, ceilsf2): Likewise.
5870 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5871 (sse2_maskcmpdf3): Likewise.
5873 2006-10-29 Richard Guenther <rguenther@suse.de>
5875 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5876 rint in case -fno-trapping-math is enabled.
5877 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5878 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5879 (ix86_expand_sse_fabs): Likewise.
5880 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5881 * config/i386/i386.md (rintdf2): Enable for SSE math if
5882 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5883 (rintsf2): Likewise.
5885 2006-10-29 Richard Guenther <rguenther@suse.de>
5887 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5888 to conversion optabs.
5889 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5890 as conversion optab.
5891 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5892 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5893 (lfloor_optab, lceil_optab): Adjust defines.
5894 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5895 lfloor and lceil optabs now being conversion optabs.
5896 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5897 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5898 New static helper function.
5899 (ix86_expand_lfloorceil): New function to expand lfloor and
5901 * config/i386/i386.md (lfloor<mode>2): Split into ...
5902 (lfloorxf<mode>2): ... x87 variant
5903 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5904 using ix86_expand_lfloorceil.
5905 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5907 * doc/md.texi (lfloorMN, lceilMN): Document.
5909 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5911 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5912 -mno-shared assembler option on mips targets.
5913 * configure, config.in: Regenerate.
5914 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5915 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5916 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5918 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5920 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5921 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5923 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5925 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5926 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5929 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5932 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5933 (fold_builtin_pow): Evaluate constant arguments at compile-time
5935 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5936 (do_mpfr_ckconv): New helper function.
5937 (do_mpfr_arg1): Use do_mpfr_ckconv.
5938 (do_mpfr_arg2): New.
5940 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5943 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5944 (-fdump-rtl-sched): Rename to ..
5945 (-fdump-rtl-sched1): here. Also fix file extension number.
5947 2006-10-28 Richard Guenther <rguenther@suse.de>
5949 * fold-const.c (maybe_canonicalize_comparison): Fix code
5952 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5954 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5955 (NON_QI_REG_P): Use IN_RANGE.
5956 (REX_INT_REGNO_P): Use IN_RANGE.
5957 (FP_REGNO_P): Use IN_RANGE.
5958 (SSE_REGNO_P): Use IN_RANGE.
5959 (REX_SSE_REGNO_P): Use IN_RANGE.
5960 (MMX_REGNO_P): Use IN_RANGE.
5961 (STACK_REGNO_P): New macro.
5962 (STACK_REG_P): Use STACK_REGNO_P.
5963 (NON_STACK_REG_P): Use STACK_REGNO_P.
5964 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5965 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5966 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5967 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5968 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5970 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5972 * except.h (output_function_exception_table): Add 'const char*' param.
5973 * except.c (switch_to_exception_section): Add 'const char*' param.
5974 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5975 and flag_function_sections is set, use a function-specific section.
5976 (output_function_exception_table): Add 'const char*' param.
5977 Adjust call to switch_to_exception_section.
5978 * final.c (rest_of_handle_final): Adjust calls to
5979 output_function_exception_table.
5980 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5981 * config.in: Regenerate.
5982 * configure: Likewise.
5984 2006-10-28 Richard Guenther <rguenther@suse.de>
5987 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5988 for maybe_canonicalize_comparison.
5989 (maybe_canonicalize_comparison): New function for canonicalizing
5991 (fold_comparison): Call it to canonicalize comparisons with
5994 2006-10-28 Richard Guenther <rguenther@suse.de>
5997 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5998 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5999 (expand_builtin): Adjust likewise.
6000 * genopinit.c (optabs[]): Add lround optab.
6001 * optabs.c (init_optabs): Initialize lround_optab.
6002 * optabs.h (enum convert_optab_index): Add COI_lround.
6003 (lround_optab): Define.
6004 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6005 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6007 (ix86_expand_lround): New function.
6008 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6010 * doc/md.texi (lroundMN2): Document.
6012 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6015 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6016 argument to HOST_WIDE_INT. Update function prototype.
6017 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6018 "size" argument to HOST_WIDE_INT. Update function prototype.
6020 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6022 * config/i386/i386.c (output_387_ffreep): Create output from a
6023 template string for !HAVE_AS_IX86_FFREEP.
6025 2006-10-27 Eric Christopher <echristo@apple.com>
6027 * config/darwin.c: Fix formatting and grammar.
6029 2006-10-27 Jan Hubicka <jh@suse.cz>
6031 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6032 to be thrown away soon when IGNORE is set.
6033 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6034 indicating when return value shall not be computed.
6035 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6037 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6039 * config/i386/i386.h (TARGET_GEODE):
6040 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6041 (TARGET_CPU_DEFAULT_geode): New macro.
6042 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6043 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6044 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6045 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6046 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6048 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6049 (processor_type): Add PROCESSOR_GEODE.
6051 * config/i386/i386.md: Include geode.md.
6054 * config/i386/i386.c (geode_cost): New initialized global
6056 (m_GEODE, m_K6_GEODE): New macros.
6057 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6058 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6059 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6060 x86_schedule): Use m_K6_GEODE instead of m_K6.
6061 (x86_movx, x86_cmove): Set up m_GEODE.
6062 (x86_integer_DFmode_moves): Clear m_GEODE.
6063 (processor_target_table): Add entry for geode.
6064 (processor_alias_table): Ditto.
6066 * config/i386/geode.md: New file.
6068 * doc/invoke.texi: Add entry about geode processor.
6070 2006-10-27 Mike Stump <mrs@apple.com>
6072 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6073 __DYNAMIC__ from here back to ...
6074 * config/darwin.h (CPP_SPEC): ... here.
6076 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6077 Nathan Sidwell <nathan@codesourcery.com>
6079 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6080 when choosing the minimum heapsize.
6082 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6084 * gcc/unwind-dw2.h: Move cfa-related variables into
6085 struct frame_state_reg_info to ensure that the CFA is properly
6086 handled when executing DW_CFA_{remember,restore}_state.
6087 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6088 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6089 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6090 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6091 gcc/config/rs6000/linux-unwind.h,
6092 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6093 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6094 Modify to use new cfa_* fields.
6096 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6098 * config/s390/s390.c (s390_init_frame_layout): Check positive
6101 2006-10-26 Ben Elliston <bje@au.ibm.com>
6103 * gimplify.c (get_name): Remove extraneous break.
6104 (gimplify_omp_for): Initialise ret with GS_OK.
6106 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6108 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6109 Add unix98.o to link line.
6111 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6114 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6115 Calculate compile-time constants using MPFR.
6116 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6117 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6119 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6121 * config/xtensa/lib2funcs.S: Use C-style comments.
6123 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6125 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6126 (file_table_relative_p): Likewise.
6127 (dwarf2out_finish): Likewise.
6128 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6130 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6132 * tree-ssa-structalias.c (intra_create_variable_infos):
6133 Don't recreate nonlocal_all if it already exists.
6135 2006-10-25 Richard Guenther <rguenther@suse.de>
6138 * optabs.h (enum optab_index): Remove OTI_lrint.
6139 (enum convert_optab_index): Add COI_lrint.
6140 (lrint_optab): Adjust.
6141 (expand_sfix_optab): Declare.
6142 * optabs.c (expand_sfix_optab): New function.
6143 (init_optabs): Init lrint_optab as conversion optab.
6144 * genopinit.c (lrint_optab): Change to a conversion optab.
6145 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6146 expansion via conversion optab.
6147 * config/i386/i386.md (*fistdi2_1): Remove
6148 flag_unsafe_math_optimizations guard.
6149 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6150 fist<mode>2_with_temp): Likewise.
6151 (lrint<mode>2): Split into...
6152 (lrintxf<mode>2): ... x87 part
6153 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6154 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6155 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6156 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6157 * doc/md.texi (lrintMN2): Document.
6159 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6162 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6163 Use inc and dec instructions for TARGET_USE_INCDEC.
6164 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6165 ("sync_double_compare_and_swap<mode>"): Likewise.
6166 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6167 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6168 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6169 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6170 ("sync_old_add<mode>"): Likewise.
6171 ("sync_lock_test_and_set<mode>"): Likewise.
6172 ("sync_lock_test_and_set<mode>"): Likewise.
6173 ("sync_add<mode>"): Likewise.
6174 ("sync_sub<mode>"): Likewise.
6175 ("sync_ior<mode>"): Likewise.
6176 ("sync_and<mode>"): Likewise.
6177 ("sync_xor<mode>"): Likewise.
6179 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6181 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6182 (remainder_optab): Define corresponding macro.
6183 (drem_optab): Remove.
6184 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6185 drem_optab initialization.
6186 * genopinit.c (optabs): Implement remainder_optab using
6187 remainder?f3 patterns. Remove drem_optab.
6188 * builtins.c (expand_builtin_mathfn_2): Handle
6189 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6190 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6191 expand_builtin_mathfn_2.
6193 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6194 depend on flag_unsafe_math_optimizations.
6196 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6197 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6198 Do not depend on flag_unsafe_math_optimizations. Use
6199 truncxf?f expander instead of truncxf?f_i387_noop.
6201 ("fpremxf4", "fprem1xf4"): Do not depend on
6202 flag_unsafe_math_optimizations.
6203 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6204 flag_unsafe_math_optimizations. Use truncxf?f expander
6205 instead of truncxf?f_i387_noop.
6207 * doc/md.texi (fmod, remainder): Document standard named pattern.
6209 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6210 David Daney <ddaney@avtrex.com>
6213 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6215 2006-10-25 Ben Elliston <bje@au.ibm.com>
6217 * doc/extend.texi (Variable Attributes): Typo fix.
6219 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6221 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6222 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6223 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6224 (FRAME_POINTER_REGNUM): Update register number to 21.
6225 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6226 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6228 * config/i386/i386.c (regclass_map): Add fpcr entry.
6229 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6231 (print_reg): Assert REGNO (x) != FPCR_REG.
6233 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6234 (DIRFLAG_REG): Renumber.
6235 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6236 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6237 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6238 hardcoded SSE register numbers.
6240 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6241 hardcoded MMX register numbers.
6243 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6246 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6247 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6249 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6250 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6251 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6252 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6254 2006-10-24 Richard Guenther <rguenther@suse.de>
6257 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6258 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6259 for deciding optimizations in consistency with fold-const.c
6260 (fold_builtin_unordered_cmp): Likewise.
6262 2006-10-24 Richard Guenther <rguenther@suse.de>
6264 * builtins.c (fold_builtin_floor): Fold floor (x) where
6265 x is nonnegative to trunc (x).
6266 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6267 nonnegative to FIX_TRUNC_EXPR.
6269 2006-10-24 Richard Guenther <rguenther@suse.de>
6271 PR tree-optimization/29567
6272 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6273 for TRUTH_NOT_EXPR. Clarify comments.
6275 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6278 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6279 at compile-time using MPFR. Change parameter VALUE to FUNC,
6281 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6282 for overflow and underflow at all times and avoid folding in
6285 2006-10-24 Ben Elliston <bje@au.ibm.com>
6287 * reload1.c: Formatting fixes.
6289 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6291 PR tree-optimization/14784
6292 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6293 * tree-ssa-structalias.c (get_constraint_for,
6294 intra_create_variable_infos): Set is_heapvar.
6295 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6296 non-heapvar pointer variables specially.
6298 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6301 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6302 fold_builtin_tan): Fold all constant arguments. Take a "type"
6303 argument as necessary.
6304 (do_mpfr_arg1): New.
6305 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6307 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6309 * config/xtensa/lib1funcs.asm: Use C-style comments.
6311 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6313 * tree.c (local_define_builtin): Replace calls to
6314 lang_hooks.builtin_function with add_builtin_function.
6315 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6317 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6319 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6320 common code to add_builtin_function.
6321 * langhooks.c (add_builtin_function): New function.
6322 (lhd_builtin_function): New function.
6323 * langhooks.h (struct lang_hooks): Change the signature of
6325 (add_builtin_function): New function.
6326 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6327 calls to lang_hooks.builtin_function with add_builtin_function.
6328 * c-common.c (decl_builtin_1): Replace calls to
6329 lang_hooks.builtin_function with add_builtin_function.
6330 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6331 lang_hooks.builtin_function with add_builtin_function.
6332 * config/frv/frv.c (def_builtin): Replace calls to
6333 lang_hooks.builtin_function with add_builtin_function.
6334 * config/s390/s390.c (s390_init_builtins): Replace calls to
6335 lang_hooks.builtin_function with add_builtin_function.
6336 * config/sparc/sparc.c (def_builtin): Replace calls to
6337 lang_hooks.builtin_function with add_builtin_function.
6338 * config/i386/i386.c (def_builtin): Replace calls to
6339 lang_hooks.builtin_function with add_builtin_function.
6340 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6341 lang_hooks.builtin_function with add_builtin_function.
6342 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6343 lang_hooks.builtin_function with add_builtin_function.
6344 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6345 Replace calls to lang_hooks.builtin_function with
6346 add_builtin_function.
6347 * config/iq2000/iq2000.c (def_builtin):
6348 Replace calls to lang_hooks.builtin_function with
6349 add_builtin_function.
6350 * config/ia64/ia64.c (def_builtin): Replace calls to
6351 lang_hooks.builtin_function with add_builtin_function.
6352 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6353 lang_hooks.builtin_function with add_builtin_function.
6354 (altivec_init_builtins): Replace calls to
6355 lang_hooks.builtin_function with add_builtin_function.
6356 * config/arm/arm.c (def_mbuiltin): Replace calls to
6357 lang_hooks.builtin_function with add_builtin_function.
6358 (arm_init_tls_builtins): Replace calls to
6359 lang_hooks.builtin_function with add_builtin_function.
6360 * config/mips/mips.c (mips_init_builtins): Replace calls to
6361 lang_hooks.builtin_function with add_builtin_function.
6362 * config/bfin/bfin.c (def_builtin): Replace calls to
6363 lang_hooks.builtin_function with add_builtin_function.
6364 * langhooks-def.h (lhd_builtin_function): New function.
6365 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6367 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6369 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6370 BUILT_IN_STRNCAT_CHK.
6372 2006-10-23 Jan Hubicka <jh@suse.cz>
6374 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6375 don't do conversion from memmove to memcpy here.
6376 (expand_builtin_bcopy, expand_builtin): Update call of
6377 expand_builtin_memmove.
6378 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6380 2006-10-23 Paul Brook <paul@codesourcery.com>
6382 * stor-layout.c (start_record_layout): maximum_field_alignment
6383 overrides STRUCTURE_SIZE_BOUNDARY.
6385 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6387 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6388 nonlocal function symbols if flag_pic.
6390 2006-10-23 Richard Guenther <rguenther@suse.de>
6394 * builtins.c (fold_binary): Remove checks for flag_wrapv
6395 and flag_trapv where negate_expr_p covers these cases.
6397 2006-10-23 Richard Guenther <rguenther@suse.de>
6400 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6401 of two on the absolute value.
6402 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6403 and negating -C does not overflow.
6405 2006-10-23 Richard Guenther <rguenther@suse.de>
6408 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6409 only if not flag_rounding_math.
6411 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6412 Kaz Kojima <kkojima@gcc.gnu.org>
6415 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6416 SImode memory reference for the source of a movua.
6417 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6418 (movua): Use an unspec instead of sign_extract. Expect the source
6419 to have mode BLKmode.
6420 (extv, insv): Use a BLKmode rather than SImode memory reference
6421 for the source of a movua.
6423 2006-10-22 Jeff Law <law@redhat.com>
6424 Richard Guenther <rguenther@suse.de>
6426 PR tree-optimization/15911
6427 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6428 (register_edge_assert_for_1): Likewise.
6429 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6430 (find_conditional_asserts): Adjust for new function signature.
6431 (find_assert_locations): Likewise.
6433 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6435 * config/i386/tmmintrin.h: Remove the duplicated content.
6437 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6439 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6440 (x86_64-*-*): Likewise.
6442 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6443 (override_options): Check SSSE3.
6444 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6445 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6446 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6447 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6448 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6449 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6450 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6451 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6452 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6453 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6454 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6455 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6456 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6457 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6458 IX86_BUILTIN_PABSD128.
6459 (bdesc_2arg): Add SSSE3.
6460 (bdesc_1arg): Likewise.
6461 (ix86_init_mmx_sse_builtins): Support SSSE3.
6462 (ix86_expand_builtin): Likewise.
6463 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6465 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6466 (UNSPEC_PSIGN): Likewise.
6467 (UNSPEC_PALIGNR): Likewise.
6468 Include mmx.md before sse.md.
6470 * config/i386/i386.opt: Add -mssse3.
6472 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6473 (ssse3_phaddwv4hi3): Likewise.
6474 (ssse3_phadddv4si3): Likewise.
6475 (ssse3_phadddv2si3): Likewise.
6476 (ssse3_phaddswv8hi3): Likewise.
6477 (ssse3_phaddswv4hi3): Likewise.
6478 (ssse3_phsubwv8hi3): Likewise.
6479 (ssse3_phsubwv4hi3): Likewise.
6480 (ssse3_phsubdv4si3): Likewise.
6481 (ssse3_phsubdv2si3): Likewise.
6482 (ssse3_phsubswv8hi3): Likewise.
6483 (ssse3_phsubswv4hi3): Likewise.
6484 (ssse3_pmaddubswv8hi3): Likewise.
6485 (ssse3_pmaddubswv4hi3): Likewise.
6486 (ssse3_pmulhrswv8hi3): Likewise.
6487 (ssse3_pmulhrswv4hi3): Likewise.
6488 (ssse3_pshufbv16qi3): Likewise.
6489 (ssse3_pshufbv8qi3): Likewise.
6490 (ssse3_psign<mode>3): Likewise.
6491 (ssse3_psign<mode>3): Likewise.
6492 (ssse3_palignrti): Likewise.
6493 (ssse3_palignrdi): Likewise.
6494 (abs<mode>2): Likewise.
6495 (abs<mode>2): Likewise.
6497 * config/i386/tmmintrin.h: New file.
6499 * doc/extend.texi: Document SSSE3 built-in functions.
6501 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6503 2006-10-22 Ira Rosen <irar@il.ibm.com>
6505 * tree-vect-transform.c (vectorizable_load): Use the type of the
6506 return value of the mask_for_load builtin to create realign_load
6509 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6511 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6514 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6516 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6517 (UNSPEC_LDDQU): This.
6518 * config/i386/sse.md (sse3_lddqu): Updated.
6520 2006-10-21 Richard Guenther <rguenther@suse.de>
6522 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6523 (expand_builtin): Use it to expand lrint instead of
6524 expand_builtin_mathfn.
6526 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6529 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6530 flag_unsafe_math_optimizations is set.
6532 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6535 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6536 patterns to use memory input operand in x87->mem->XMM
6537 reload sequences. Skip transformation for TARGET_K8.
6539 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6541 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6542 force operand1 to register if both operands are memory operands.
6543 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6544 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6545 if both operands are memory operands.
6546 (truncdfsf2): Do not force operand1 to register if both operands
6547 are memory operands.
6549 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6551 * Makefile.in (LIBS): Add $(GMPLIBS).
6552 * doc/install.texi: Update GMP and MPFR requirements.
6553 * doc/sourcebuild.texi (need_gmp): Delete.
6555 2006-10-21 Richard Guenther <rguenther@suse.de>
6557 PR tree-optimization/3511
6558 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6559 got new invariant arguments during PHI translation.
6561 2006-10-21 Richard Guenther <rguenther@suse.de>
6564 * fold-const.c (fold_comparison): Fold signed comparisons
6565 of the form X +- C1 CMP Y +- C2.
6567 2006-10-21 Richard Guenther <rguenther@suse.de>
6570 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6571 if flag_unsafe_math_optimizations is specified. We have
6572 flag_finite_math_only for that.
6573 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6574 or flag_unsafe_math_optimizations.
6576 2006-10-21 Richard Guenther <rguenther@suse.de>
6578 * builtins.c (fold_builtin_classify): Fix typo.
6580 2006-10-21 Richard Guenther <rguenther@suse.de>
6583 * simplify-rtx.c (simplify_const_relational_operation):
6584 Do not constant-fold ORDERED and UNORDERED for
6585 flag_unsafe_math_optimizations but only we do not need to
6586 honor NaNs for the given mode.
6588 2006-10-21 Richard Guenther <rguenther@suse.de>
6591 * config/i386/i386.c (classify_argument): Remove redundant
6592 walking of the BINFOs.
6593 (contains_128bit_aligned_vector_p): Likewise.
6595 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6597 * BASE-VER: Set to 4.3.0.
6599 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6601 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6602 (tree_decl_with_vis): Remove artificial_pta_var flag.
6603 * tree-flow.h (referenced_var_check_and_insert): Expose.
6604 (nonlocal_all): New prototype.
6605 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6606 (nonlocal_all): Make global.
6607 (nonlocal_lookup): Remove.
6608 (nonlocal_insert): Ditto.
6609 (create_nonlocal_var): Do not call nonlocal_insert.
6610 (get_nonlocal_id_for_type): Remove.
6611 (find_global_initializers): Mark new vars we find for renaming.
6612 (intra_create_variable_infos): Only create one nonlocal.
6613 (expand_nonlocal_solutions): Remove.
6614 (compute_points_to_sets): Don't call it.
6615 (ipa_pta_execute): Ditto.
6616 (init_alias_heapvars): Don't create nonlocal_for_type.
6617 (delete_alias_heapvars): Don't remove it.
6618 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6621 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6623 * doc/install.texi (Downloading GCC): Clarify mention of
6624 Fortran in the "full distribution" description.
6626 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6628 Fix PR tree-optimization/28778
6629 Fix PR tree-optimization/29156
6630 Fix PR tree-optimization/29415
6631 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6632 (tree_decl_with_vis): Add artificial_pta_var flag.
6633 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6634 pushed into callers.
6635 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6636 (nonlocal_all): Ditto.
6637 (struct variable_info): Add directly_dereferenced member.
6638 (var_escaped_vars): New variable.
6639 (escaped_vars_tree): Ditto.
6640 (escaped_vars_id): Ditto.
6641 (nonlocal_vars_id): Ditto.
6642 (new_var_info): Set directly_dereferenced.
6643 (graph_size): New variable
6644 (build_constraint_graph): Use graph_size.
6645 (solve_graph): Don't process constraints that cannot change the
6646 solution, don't try to propagate an empty solution to our
6648 (process_constraint): Set directly_dereferenced.
6649 (could_have_pointers): New function.
6650 (get_constraint_for_component_ref): Don't process STRING_CST.
6651 (nonlocal_lookup): New function.
6652 (nonlocal_insert): Ditto.
6653 (create_nonlocal_var): Ditto.
6654 (get_nonlocal_id_for_type): Ditto.
6655 (get_constraint_for): Allow results vector to be empty in the case
6656 of string constants.
6657 Handle results of calls properly.
6658 (update_alias_info): Update alias info stats on number and type of
6660 (find_func_aliases): Use could_have_pointers.
6661 (make_constraint_from_escaped): Renamed from
6662 make_constraint_to_anything, and changed to make constraints from
6664 (make_constraint_to_escaped): New function.
6665 (find_global_initializers): Ditto.
6666 (create_variable_info_for): Make constraint from escaped to any
6667 global variable, and from any global variable to the set of
6669 (intra_create_variable_infos): Deal with escaped instead of
6670 pointing to anything.
6671 (set_uids_in_ptset): Do type pruning on directly dereferenced
6673 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6674 (init_base_vars): Fix comment, and initialize escaped_vars.
6675 (need_to_solve): Removed.
6676 (find_escape_constraints): New function.
6677 (expand_nonlocal_solutions): Ditto.
6678 (compute_points_to_sets): Call find_escape_constraints and
6679 expand_nonlocal_solutions.
6680 (delete_points_to_sets): Don't fall off the end of the graph.
6681 (init_alias_heapvars): Initialize nonlocal_for_type and
6683 (delete_alias_heapvars): Free nonlocal_for_type and null out
6686 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6688 * fold-const.c (add_double): Rename to add_double_with_sign.
6689 Add 'unsigned_p' parameter and take it into account for the overflow.
6690 (mul_double): Rename to mul_double_with_sign.
6691 Add 'unsigned_p' parameter and take it into account for the overflow.
6692 (fold_div_compare): Call add_double_with_sign instead of add_double
6693 and mul_double_with_sign instead of mul_double, passing them the
6694 unsignedness of the type.
6695 * tree.h (add_double): Macroize.
6696 (add_double_with_sign): New prototype.
6697 (mul_double): Macroize.
6698 (mul_double_with_sign): New prototype.
6700 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6702 * config/score/crti.asm: New file.
6703 * config/score/crtn.asm: New file.
6704 * config/score/elf.h: New file.
6705 * config/score/mac.md: New file.
6706 * config/score/misc.md: New file.
6707 * config/score/mul-div.S: New file.
6708 * config/score/predicates.md: New file.
6709 * config/score/score7.md: New file.
6710 * config/score/score.c: New file.
6711 * config/score/score-conv.h: New file.
6712 * config/score/score.h: New file.
6713 * config/score/score.md: New file.
6714 * config/score/score-mdaux.c: New file.
6715 * config/score/score-mdaux.h: New file.
6716 * config/score/score-modes.def: New file.
6717 * config/score/score.opt: New file.
6718 * config/score/score-protos.h: New file.
6719 * config/score/score-version.h: New file.
6720 * config/score/t-score-elf: New file.
6721 * config.gcc: Add score*-*-* configurations(Update before).
6722 * doc/invoke.texi (Score Options): New section.
6723 * doc/md.texi (Score family): New section to document constraints.
6725 2006-10-19 Nick Clifton <nickc@redhat.com>
6727 * config/arm/arm.c: Fix spelling typo.
6729 2006-10-18 Tom Tromey <tromey@redhat.com>
6731 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6733 2006-10-18 Jan Hubicka <jh@suse.cz>
6736 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6739 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6741 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6742 TSI_SAME_STMT, since that's the desired entity.
6744 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6746 * config/s390/contraints.md: New file.
6747 * config/s390/s390-protos.h (s390_mem_constraint,
6748 s390_O_constraint_str, s390_N_constraint_str,
6749 s390_float_const_zero_p): Function prototypes added.
6750 * config/s390/s390.c (s390_extra_constraint_str,
6751 s390_const_double_ok_for_constraint_p,
6752 s390_const_ok_for_constraint_p): Functions removed.
6753 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6754 s390_float_const_zero_p): New functions.
6755 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6756 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6757 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6758 Macro definitions removed.
6759 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6760 s390_extra_constraint_str): Functions removed.
6762 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6763 Richard Sandiford <richard@codesourcery.com>
6766 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6767 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6769 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6771 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6772 (DWARF2_FRAME_REG_OUT): Likewise.
6773 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6774 (DWARF2_FRAME_REG_OUT): Likewise.
6776 2006-10-17 Paul Brook <paul@codesourcery.com>
6778 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6780 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6782 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6783 Standardize on "GNU Fortran" as the official name of the Fortran
6786 2006-10-16 Mike Stump <mrs@apple.com>
6788 * doc/invoke.texi (Darwin Options): Document -mkernel.
6789 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6791 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6792 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6793 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6794 (OS_MISSING_ALTIVEC): Add.
6795 * config/i386/i386.c (override_options): Add
6796 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6797 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6798 -mkernel, -static or -mdynamic-no-pic is given.
6799 (C_COMMON_OVERRIDE_OPTIONS): Add.
6800 * config/darwin.opt (fapple-kext): Add.
6802 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6803 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6805 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6806 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6807 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6808 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6809 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6810 (flag_mkernel): Add.
6811 (flag_apple_kext): Add.
6812 (TARGET_KEXTABI): Add.
6813 * config/darwin.c (darwin_handle_kext_attribute): Add.
6814 (DARWIN_VTABLE_P): Add.
6815 (darwin_binds_local_p): Add partial support for rebinding vtables
6817 (darwin_kextabi_p): Add.
6818 (darwin_override_options): Add.
6819 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6820 (darwin_kextabi_p): Add.
6821 (darwin_override_options): Add.
6822 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6823 __DYNAMIC__ and __STATIC__ here.
6825 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6827 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6828 Added mention of "make pdf" target, and Texinfo requirements for
6831 2006-10-16 DJ Delorie <dj@redhat.com>
6833 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6834 into the GOT in case we need a subreg of the address.
6836 2006-10-16 Richard Guenther <rguenther@suse.de>
6839 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6840 SSE builtin documentation. Document SSE2 builtins.
6842 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6844 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6845 symbol in the output file for non-shared links when -nostdlib or
6846 -nodefaultlibs isn't specified.
6848 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6849 posix thread support.
6851 2006-10-15 Jan Hubicka <jh@suse.cz>
6854 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6855 declared always_inline even when not inlining.
6857 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6858 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6859 Andrew Pinski <pinskia@gmail.com>
6862 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6864 2006-10-15 Jan Hubicka <jh@suse.cz>
6865 Richard Guenther <rguenther@suse.de>
6868 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6869 process_function_and_variable_attributes on all variables, including
6870 those discovered during cgraph construction phase.
6872 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6874 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6876 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6878 * config/i386/athlon.md (athlon_fist): Add fisttp.
6880 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6881 Ian Lance Taylor <ian@airs.com>
6884 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6885 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6888 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6890 * config/score/score.c, config/score/score.h: Fix comment
6893 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6896 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6899 2006-10-13 Eric Christopher <echristo@apple.com>
6901 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6903 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6906 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6907 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6908 alignment supported by 32-bit ELF.
6910 2006-10-13 Eric Christopher <echristo@apple.com>
6912 * config/darwin.c (darwin_emit_unwind_label): Strip
6913 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6915 2006-10-13 Richard Guenther <rguenther@suse.de>
6917 PR tree-optimization/29446
6918 * tree-vrp.c (fix_equivalence_set): Remove.
6919 (extract_range_from_assert): Do not call fix_equivalence_set.
6920 (debug_value_range): Print a newline.
6921 (compare_name_with_value): For equivalence sets with
6922 inconsistent value ranges conservatively bail out.
6923 (compare_names): Likewise.
6925 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6927 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6928 and MPFR for gfortran.
6930 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6932 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6933 alignment supported by 32-bit ELF.
6935 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6939 * c-typeck.c (digest_init): Always allow initializing vectors
6940 that have static storage duration with compound literals.
6941 * tree.c (build_type_attribute_qual_variant): New, based on
6942 build_type_attribute_variant.
6943 (build_type_attribute_variant): Rewrite using the former.
6944 (make_vector_type): Use build_type_attribute_qual_variant to build
6945 type variants. Use type_hash_canon on the others.
6947 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6948 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6950 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6952 2006-10-12 Jan Hubicka <jh@suse.cz>
6955 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6956 current_function_decl is set but current_function_scope is not.
6958 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6960 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6961 emit_insn to emit eh_return_internal instruction.
6962 (eh_return_internal): Explicitly set pc.
6964 2006-10-11 Richard Guenther <rguenther@suse.de>
6966 PR tree-optimization/28230
6967 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6968 to the correct place.
6970 2006-10-11 Richard Guenther <rguenther@suse.de>
6973 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6976 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6978 * configure.ac: Added pdf to "Make-hooks"
6979 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6980 targets and *.pdf file patterns in cleanup targets.
6981 * configure: Regenerated.
6983 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6985 * config/avr/predicates.md: New file.
6986 * config/avr/avr.md: Include it.
6987 (REG_SP): New constant.
6988 (peepholes): Use predicates.
6989 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6990 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6991 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6993 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6995 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6998 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7001 * builtins.c (var_decl_component_p): New function.
7002 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7003 single entry optimization to variables and components thereof.
7005 2006-10-10 Richard Guenther <rguenther@suse.de>
7007 PR rtl-optimization/29323
7008 * except.c (set_nothrow_function_flags): For functions
7009 that do not bind local bail out early.
7011 2006-10-10 Ben Elliston <bje@au.ibm.com>
7013 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7016 2006-10-09 Richard Henderson <rth@redhat.com>
7018 Revert emutls patch.
7020 2006-10-09 Richard Guenther <rguenther@suse.de>
7023 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7026 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7029 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7030 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7031 * configure: Regenerate.
7032 * config.in: Regenerate.
7034 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7036 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7038 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7040 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7041 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7042 Remove stray newline.
7044 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7046 * config/mips/mips.c (mips_classify_symbol): Do not return
7047 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7048 (mips_in_small_data_p): Tweak comments.
7050 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7052 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7054 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7056 * gimplify.c, sched-int.h: Fix comment typos.
7058 * sched-int.h: Fix comment typos.
7060 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7062 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7064 * sched-ebb.c (begin_schedule_ready): Use them.
7065 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7066 add_to_speculative_block, create_check_block_twin, speculate_insn,
7067 fix_jump_move, move_block_after_check): Ditto.
7068 * sched-rgn.c (new_ready): Ditto.
7070 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7072 PR rtl-optimization/29128
7073 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7074 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7075 allow interblock movement of speculation checks.
7077 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7080 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7081 casted to integer type.
7082 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7083 if they are significantly more expensive than [reg + index] ones.
7085 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7087 PR tree-optimization/29330
7088 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7089 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7090 on newly allocated ddrs.
7091 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7092 to VEC (loop_p, heap) pointer.
7093 (compute_data_dependences_for_loop): Adjust caller.
7094 (free_dependence_relations): Free DDR_LOOP_NEST.
7096 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7097 free DEPENDENCE_RELATIONS and DATAREFS.
7100 * builtins.c (expand_builtin_sync_operation,
7101 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7102 Use convert_to_mode to handle promoted arguments.
7104 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7106 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7108 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7110 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7112 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7114 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7115 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7116 Use <modeconstraint> instead of "r" as operand 1 constraint.
7118 2006-10-06 Olivier Hainque <hainque@adacore.com>
7120 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7121 Don't recurse on the pointed-to type.
7122 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7123 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7124 types with components of variable size.
7126 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7128 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7130 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7132 PR tree-optimization/29290
7133 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7137 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7138 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7141 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7142 the number of vector elements fill the rest with zeros.
7144 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7146 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7147 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7150 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7152 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7153 unnamed pattern into subsi3. Use correct constraints/predicates.
7154 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7155 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7157 2006-10-05 Ira Rosen <irar@il.ibm.com>
7159 * doc/loop.texi: Add data references analysis description.
7161 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7163 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7165 2006-10-04 Richard Henderson <rth@redhat.com>
7166 Jakub Jelinek <jakub@redhat.com>
7168 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7169 * builtin-types.def (BT_WORD): Make unsigned.
7170 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7171 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7172 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7173 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7174 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7175 * cgraph.c (decide_is_variable_needed): Look at force_output.
7176 Recurse for emulated tls.
7177 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7178 checks redundant with decide_is_variable_needed.
7179 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7180 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7182 * expr.c (emutls_var_address): New.
7183 (expand_expr_real_1): Expand emulated tls.
7184 (expand_expr_addr_expr_1): Likewise.
7185 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7186 * output.h (emutls_finish): Declare.
7187 * toplev.c (compile_file): Call it.
7188 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7189 address before wrapping in CONST.
7190 * varasm.c (emutls_htab, emutls_object_type): New.
7191 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7192 (get_emutls_object_name, get_emutls_object_type): New.
7193 (get_emutls_init_templ_addr, emutls_decl): New.
7194 (emutls_common_1, emutls_finish): New.
7195 (assemble_variable): When emulating tls, swap decls; generate
7196 constructor for the emutls objects.
7197 (do_assemble_alias): When emulating tls, swap decl and target name.
7198 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7200 * emutls.c: New file.
7201 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7202 tls_object for real tls.
7204 2006-10-04 Zack Weinberg <zackw@panix.com>
7206 Fix bug in constraint-check generator, reported by Rask Ingemann
7208 * genpreds.c (add_constraint): Don't remove anything from the
7210 (write_tm_constrs_h): Detect whether "op" argument is used, and
7211 mark it ARG_UNUSED if it isn't.
7212 (write_insn_const_int_ok_for_constraint): Skip the part of the
7213 expression that would test whether "op" (which is not available
7214 here) is a CONST_INT.
7216 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7219 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7221 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7223 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7224 current Leopard versions.
7225 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7227 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7229 * doc/install.texi: Fix typos.
7231 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7233 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7234 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7235 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7237 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7239 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7240 arg to be struct mach_header_64* instead.
7242 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7245 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7246 side effects after the outer expression's post side effects.
7248 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7250 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7251 comments to reflect actual behavior and relationship between
7252 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7254 * doc/c-tree.texi (Working with declarations): Fix documentation
7255 of FIELD_DECL likewise.
7257 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7260 * doc/extend.texi: Add used variable attribute description.
7262 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7265 * c.opt (Woverride-init): New.
7266 * c-opts.c (c_common_post_options): Default warn_override_init to
7268 * c-typeck.c (add_pending_init, output_init_element): Warn for
7269 overriding initializers without side effects.
7270 * doc/invoke.texi (-Woverride-init): Document.
7273 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7275 PR rtl-optimization/28096
7276 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7277 assignment has already been used as a destination earlier in the block.
7279 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7281 * builtins.c (expand_builtin_setjmp): Delete.
7282 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7283 <BUILT_IN_SETJMP_SETUP>: New case.
7284 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7285 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7286 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7287 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7288 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7289 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7290 (lower_function_body): Initialize it to false. If it is set to true
7291 at the end of the processing, emit the setjmp dispatcher.
7292 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7293 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7294 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7295 on the rhs of the assignment.
7296 (lower_builtin_setjmp): New function.
7297 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7298 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7299 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7300 to detect calls that can go to non-local labels. Use specific
7301 helper to create the abnormal edges associated with them.
7302 <MODIFY_EXPR>: Likewise.
7303 (make_abnormal_goto_edges): New function extracted from...
7304 (make_goto_expr_edges): ...here. Call it for computed gotos.
7305 (simple_goto_p): Minor tweak.
7306 (tree_can_make_abnormal_goto): New predicate.
7307 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7308 (tree_purge_dead_abnormal_call_edges): New function.
7309 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7310 (tree_purge_dead_abnormal_call_edges): Likewise.
7311 (make_abnormal_goto_edges): Likewise.
7312 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7313 Purge all dead abnormal edges if the call was in the last statement.
7314 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7315 (execute_fixup_cfg): If there are non-local labels in the function,
7316 scan the basic blocks and split them at calls that can go to non-local
7317 labels or add missing abnormal call edges. Write down the CFG in the
7319 (pass_fixup_cfg): Remove TODO_dump_func flag.
7320 * unwind-sjlj.c: Poison setjmp.
7321 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7322 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7323 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7324 (DONT_USE_BUILTIN_SETJMP): Document it.
7326 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7329 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7330 to 1 when __ppc64__ is defined.
7331 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7333 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7335 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7337 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7338 * config/ia64/unwind-hpux.c: Delete.
7340 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7342 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7343 on the element before gimplifying it, instead of punting if it is of
7346 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7348 * doc/loop.texi: New file.
7349 * doc/gccint.texi: Reference loop.texi.
7350 * Makefile.in (loop.texi): Add.
7352 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7354 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7356 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7357 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7359 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7361 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7363 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7365 * doc/install.texi: Document required versions of GMP and MPFR.
7367 2006-09-27 Paul Brook <paul@codesourcery.com>
7370 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7372 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7374 * reload1.c (alter_reg): Require the alignment of the stack slot to
7375 be at least reg_max_ref_width bytes.
7376 (scan_paradoxical_subregs): Record the largest width in
7379 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7383 * tree-nested.c (struct nesting_info): Added static_chain_added.
7384 (convert_call_expr): Set static_chain_added when adding static
7385 chain. Handle OMP_PARALLEL and OMP_SECTION.
7387 2006-09-25 Matthias Klose <doko@debian.org>
7389 * doc/invoke.texi: Add missing full stop.
7391 2006-09-25 Richard Henderson <rth@redhat.com>
7393 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7394 before cgraph_function_flags_ready.
7396 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7397 Adam Nemet <anemet@caviumnetworks.com>
7399 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7400 determine_common_wider_type): New functions.
7401 (get_computation_aff): Use them to simplify arithmetic between
7402 UBASE and CBASE if they are shortened from the same type.
7404 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7407 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7408 -2147483647 - 1 instead of 0x80000000.
7410 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7412 * flags.h (HONOR_NANS): Fix typo in comment.
7414 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7416 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7418 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7422 * tree.c (merge_attributes, attribute_list_contained): If both
7423 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7425 * c-typeck.c (comptypes_internal): Don't consider aggregates
7426 in different TUs as compatible if there one set of attributes is
7427 not a subset of the other type's attributes.
7428 (composite_type): Try harder not to create a new aggregate type.
7430 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7432 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7433 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7434 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7435 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7436 than replicating condition above.
7437 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7439 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7440 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7441 the linker by default.
7443 2006-09-22 Mike Stump <mrs@apple.com>
7445 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7448 2006-09-22 Richard Guenther <rguenther@suse.de>
7451 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7452 sort of stack variables stable.
7454 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7457 * explow.c (force_reg): Set REG_POINTER flag according to
7460 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7462 PR tree-optimization/28888
7463 * tree-if-conv.c (combine_blocks): Rewritten.
7464 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7465 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7467 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7469 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7472 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7474 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7476 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7478 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7480 2006-09-21 Roger Sayle <roger@eyesopen.com>
7483 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7484 dw_fde_current_label, to be the start of the function, i.e. the same
7485 value as dw_fde_begin.
7487 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7489 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7490 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7491 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7492 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7493 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7494 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7495 (abs<mode>2, neg<mode>2): Likewise.
7496 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7497 (*mips_abs_ps): New define_insn.
7499 2006-09-20 Josh Conner <jconner@apple.com>
7502 * calls.c (expand_call): Allow reuse of structure return stack
7505 2006-09-20 Paul Brook <paul@codesourcery.com>
7507 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7510 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7512 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7513 clean up terminology.
7515 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7518 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7519 with tablejumps in them.
7521 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7524 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7525 wrap it into TARGET_EXPR.
7527 2006-09-20 Eric Christopher <echristo@apple.com>
7529 * config/i386/i386.c (x86_fisttp): Remove.
7530 * config/i386/i386.h (x86_fisttp): Ditto.
7531 (TARGET_FISTTP): Ditto.
7533 2006-09-19 Eric Christopher <echristo@apple.com>
7535 * doc/tm.texi (OBJC_JBLEN): Describe.
7536 * config/i386/darwin.h (OBJC_JBLEN): Define.
7537 * config/rs6000/darwin.h: Ditto.
7539 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7541 PR rtl-optimization/21299
7542 * reload1.c (reload): Purge invalid ASMs in the final pass.
7544 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7547 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7548 pointers as legitimate constants.
7550 2006-09-19 Paul Brook <paul@codesourcery.com>
7553 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7555 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7557 PR tree-optimization/28887
7558 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7559 component parts from the reference.
7560 (gather_memory_references_ref): Record the reference without the
7561 nonaddressable component parts.
7563 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7566 * c-opts.c (c_common_handle_option): Ignore the -std options
7567 if the input language is assembly.
7569 2006-09-17 Ira Rosen <irar@il.ibm.com>
7572 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7574 (ptr_ptr_may_alias_p): Likewise.
7575 (record_record_differ_p): New function.
7576 (base_object_differ_p): Call record_record_differ_p.
7578 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7581 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7582 away for the expr argument.
7584 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7587 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7588 before using it for dumping after vectorizing loops.
7590 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7591 Jack Howarth <howarth@bromo.med.uc.edu>
7594 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7595 skip on error_mark_node.
7596 (rs6000_darwin64_record_arg_recurse): Likewise.
7598 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7600 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7601 * doc/rtl.texi: Remove related documentation.
7603 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7605 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7608 2006-09-15 Jim Wilson <wilson@specifix.com>
7610 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7611 Handle symbol offsets same as they are handled in ia64_expand_move
7614 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7616 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7617 Add forgotten parameter to the fprintf call.
7619 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7621 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7623 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7625 * doc/contrib.texi: Add my entry.
7627 2006-09-15 Nick Clifton <nickc@redhat.com>
7629 * doc/md.texi (Processor pipeline description): Fix typo in
7630 example of how to use the absence_set directive and reword the
7631 description to make it slightly easier to read.
7633 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7635 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7636 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7637 expanding the number of iterations.
7638 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7640 * cfgrtl.c (emit_insn_at_entry): New function.
7641 * rtl.h (emit_insn_at_entry): Declare it.
7642 * integrate.c (emit_initial_value_sets): Use it.
7644 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7646 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7648 (struct loop_work and related VEC declarations): Delete.
7649 (bfin_dump_loops): Print out new member bad.
7650 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7651 (bfin_scan_loop): Don't recurse.
7652 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7653 loops. No longer need to update outer loops if the current one is
7654 found bad. Move some validitiy checks to bfin_discover_loop.
7655 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7656 but changed not to check for nesting. Also changed to use the new bad
7658 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7659 time. Use bitmap based test to discover loop nesting.
7661 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7663 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7666 2006-09-14 Richard Guenther <rguenther@suse.de>
7667 Kazu Hirata <kazu@codesourcery.com>
7669 PR middle-end/28884.
7670 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7671 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7672 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7673 with TARGET_FUNCTION_VALUE.
7675 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7678 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7680 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7682 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7685 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7688 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7691 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7693 * basic_block.h (bb_has_eh_pred): Fix comment.
7695 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7697 * flow.c (calculate_global_regs_live): Invalidate eh registers
7698 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7699 (propagate_block): Handle eh registers as if they were set at basic
7701 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7703 * global.c (global_conflicts): Make eh registers to conflict with
7704 pseudos live at basic block begin.
7705 * basic_block.h (bb_has_eh_pred): New function.
7707 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7709 PR rtl-optimization/28982
7710 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7711 index of a PRE_MODIFY or POST_MODIFY address.
7712 * reload1.c (inc_for_reload): Use find_replacement on the original
7713 base and index registers.
7715 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7717 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7718 for -Os. Update __m128 alignment requirement.
7720 2006-09-13 Jan Hubicka <jh@suse.cz>
7722 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7724 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7726 PR rtl-optimization/28243
7727 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7728 the insn to which the note was originally attached.
7730 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7731 Roger Sayle <roger@eyesopen.com>
7733 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7734 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7735 on platforms that don't use dwarf for debug info.
7737 2006-09-12 Jason Merrill <jason@redhat.com>
7740 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7741 hard_frame_pointer_rtx after using it to update the frame pointer.
7743 2006-09-12 Roger Sayle <roger@eyesopen.com>
7745 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7746 (TARGET_ASM_CLOSE_PAREN): Likewise.
7747 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7748 (TARGET_ASM_CLOSE_PAREN): Likewise.
7750 2006-09-12 Roger Sayle <roger@eyesopen.com>
7753 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7754 frame information for frames larger than 512 Kbytes on Tru64 when
7755 using the native assembler.
7757 2006-09-12 Roger Sayle <roger@eyesopen.com>
7761 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7762 and symbols. Instead use the implementation from cse.c's hash_rtx.
7764 2006-09-12 Jan Hubicka <jh@suse.cz>
7766 PR rtl-optimization/28071
7767 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7768 (vect_transform_loop): Likewise.
7769 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7770 (new_loop_vec_info): Likewise.
7771 (destroy_loop_vec_info): Likewise.
7772 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7773 (create_stmt_ann): Likewise.
7774 (create_tree_ann): Rename to ...
7775 (create_tree_common_ann): ... this one; allocate only the common part
7777 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7778 (get_value_handle): Likewise.
7779 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7780 get_tree_common_ann.
7781 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7782 (vinfo_for_stmt): Use stmt annotations.
7783 * tree-flow.h (tree_ann_common_t): New type.
7784 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7785 (tree_ann, get_tree_ann, create_tree_ann): New.
7786 * tree-flow-inline.h (get_function_ann): Do more type checking.
7787 (stmt_ann): Likewise.
7788 (tree_ann): Rename to ...
7789 (tree_common_ann): ... this one; return ony common_ann
7790 (get_tree_ann): Rename to ...
7791 (tree_common_ann): This one; return only common_ann.
7792 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7795 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7797 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7798 with_cpu by default.
7800 * dwarf2out.c (dwarf_file_data): New.
7801 (enum dw_val_class): Add dw_val_class_file.
7802 (struct dw_val_struct): Add val_file.
7803 (file_table): Change to a hash table.
7804 (file_table_emitted): Delete.
7805 (file_table_last_lookup_index): Delete.
7806 (emitcount): Delete.
7807 (last_emitted_file): New.
7808 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7809 (init_file_table): Delete.
7810 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7811 (AT_addr): Add comment.
7815 (print_die): Handle dw_val_class_file.
7816 (print_dwarf_line_table): Update for new file table structure.
7817 (attr_checksum): Do checksum a filename.
7818 (same_dw_val_p, same_attr_p): Do compare a filename.
7819 (size_of_die): Handle dw_val_class_file.
7820 (value_format): Likewise.
7821 (output_die): Likewise. Also, call maybe_emit_file here.
7822 (struct file_info): Constify filenames. Make file_idx a pointer
7823 to a struct dwarf_file_data.
7824 (struct dir_info): Constify directory names. Remove 'used' field.
7825 (struct file_name_acquire_data): New.
7826 (file_name_acquire): New.
7827 (output_file_names): Modify to handle new file data structures.
7828 (add_src_coords_attributes): Use add_AT_file.
7829 (add_call_src_coords_attributes): Likewise.
7830 (dwarf2out_imported_module_or_decl): Likewise.
7831 (gen_subprogram_die): Modify for new file data structures.
7832 (gen_variable_die): Likewise.
7833 (file_table_eq): New.
7834 (file_table_hash): New.
7835 (file_table_last_lookup): New.
7836 (lookup_filename): Rewrite to handle new file data structures.
7837 (maybe_emit_file): Rewrite to handle new file data structures.
7838 (dwarf2out_source_line): Always call lookup_filename and
7840 (dwarf2out_init): Create file_table here.
7841 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7842 (file_table_relative_p): New.
7843 (dwarf2out_finish): Change detection of relative filenames
7844 to work with new file data structures. Move output_line_info call
7845 after debug_info output.
7847 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7852 * config/i386/i386.c (override_options): Always default to 16
7853 byte stack boundary.
7855 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7858 * var-tracking.c (dump_dataflow_set): Start dumping at
7860 (clobber_variable_part): Kill only the variable part in
7861 registers holding it, leaving other variables alone.
7863 2006-09-11 Josh Triplett <josh@freedesktop.org>
7865 * doc/extend.texi (Other Builtins): Actually use the macro
7866 argument in the documentation example for
7867 __builtin_types_compatible_p.
7869 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7871 PR rtl-optimization/28726
7872 * sched-deps.c (sched_analyze_reg): New function extracted from...
7873 (sched_analyze_1): ...here. Call it to analyze references to
7874 registers. Treat again writes to a stack register as writing to the
7876 (sched_analyze_2): ...and here. Call it to analyze references to
7877 registers. Treat again reads of a stack register as reading the
7880 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7881 David Edelsohn <edelsohn@gnu.org>
7884 * config/rs6000/spe.md (frob_df_di): Remove %H.
7885 (frob_di_df): Remove %H. Change evmergelo to mr.
7886 (frob_di_df_2): Remove %H. Change evldd to two loads.
7888 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7890 * doc/cpp.texi: Fix names of charset options.
7892 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7895 * config/i386/i386.c (override_options): Use 128-bit
7896 stack boundary always for 64bits.
7898 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7900 PR rtl-optimization/28636
7901 * combine.c (force_to_mode): Test for side-effects before
7902 substituting by zero.
7903 (simplify_shift_const): Likewise for zero or other constants.
7905 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7908 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7911 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7914 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7915 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7916 returned by mode_for_size, rather than the mode of src itself,
7917 to choose between 32-bit and 64-bit patterns.
7918 (mips_mem_fits_mode_p): New function.
7919 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7920 that the size of the source matches the size of the destination.
7921 (mov_<store>l, mov_<store>r): Likewise.
7923 2006-09-10 Eric Christopher <echristo@apple.com>
7925 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7928 2006-09-09 Eric Christopher <echristo@apple.com>
7931 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7934 2006-09-09 Roger Sayle <roger@eyesopen.com>
7935 Nicolas Setton <setton@adacore.com>
7937 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7939 2006-09-10 Andreas Schwab <schwab@suse.de>
7941 * config/m68k/m68k.md (bungt_rev): New pattern.
7943 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7944 Dale Johannesen <dalej@apple.com>
7947 * regclass.c (struct reg_pref): Update documentation.
7948 (regclass): Set prefclass to NO_REGS if memory is the best option.
7949 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7951 2006-09-08 Eric Christopher <echristo@apple.com>
7953 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7954 * config/t-slibgcc-darwin: Support x86_64 multilib.
7955 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7956 Return 1 for x86_64-darwin.
7957 * config/i386/t-darwin: Add m64 multilib.
7958 (LIB2_SIDITI_CONV_FUNCS): Use.
7959 (LIB2FUNCS_EXTRA): Ditto.
7960 * config/i386/darwin.h: Support x86_64.
7961 * config/i386/i386.c (override_options): Turn on flag_pic
7962 for x86_64-darwin. Disable flag_omit_pointer.
7963 (get_pc_thunk_name): Assert !TARGET_64BIT.
7964 (legitimate_address_p): Disable machopic addressing for
7966 (legitimize_pic_address): Ditto.
7967 (ix86_expand_move): Ditto.
7968 (ix86_expand_call): Ditto.
7969 (machopic_output_stub): Ditto.
7970 * config/darwin.c (machopic_select_section): Support literal16.
7971 (machopic_select_rtx_section): Ditto.
7972 * config/darwin-sections.def: Ditto.
7973 * config/darwin-64.c: New.
7975 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7978 * c-tree.h (struct c_arg_info): Add pending_sizes.
7979 * c-parser.c (c_parser_parms_declarator,
7980 c_parser_parms_list_declarator): Initialize pending_sizes.
7981 * c-decl.c (get_parm_info): Initialize pending_sizes.
7982 (get_parm_info): Set pending_sizes.
7983 (grokdeclarator): Call put_pending_sizes for parameters for
7984 function definition only.
7986 2006-09-07 Jason Merrill <jason@redhat.com>
7989 * varasm.c (output_constant): Only strip actual no-op conversions.
7992 * config/i386/i386.c (override_options): Use 128-bit
7993 stack boundary if -msse.
7995 2006-09-07 Eric Christopher <echristo@apple.com>
7997 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7999 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8002 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8004 * dwarf2out.c: Remove strange characters from comment above
8005 dwarf2out_frame_debug_expr.
8007 2006-09-07 Eric Christopher <echristo@apple.com>
8009 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8010 * config/darwin.h: ... to here.
8012 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8014 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8016 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8017 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8019 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8020 TARGET_PARTIAL_FLAG_REG_STALL.
8021 (*ashldi3_cconly_rex64): Likewise.
8022 (*ashlsi3_cmp): Likewise.
8023 (*ashlsi3_cconly): Likewise.
8024 (*ashlsi3_cmp_zext): Likewise.
8025 (*ashlhi3_cmp): Likewise.
8026 (*ashlhi3_cconly): Likewise.
8027 (*ashlqi3_cmp): Likewise.
8028 (*ashlqi3_cconly): Likewise.
8029 (*ashrdi3_cmp_rex64): Likewise.
8030 (*ashrdi3_cconly_rex64): Likewise.
8031 (*ashrsi3_cmp): Likewise.
8032 (*ashrsi3_cconly): Likewise.
8033 (*ashrsi3_cmp_zext): Likewise.
8034 (*ashrhi3_cmp): Likewise.
8035 (*ashrhi3_cconly): Likewise.
8036 (*ashrqi3_cmp): Likewise.
8037 (*ashrqi3_cconly): Likewise.
8038 (*lshrdi3_cmp_rex64): Likewise.
8039 (*lshrdi3_cconly_rex64): Likewise.
8040 (*lshrsi3_cmp): Likewise.
8041 (*lshrsi3_cconly): Likewise.
8042 (*lshrsi3_cmp_zext): Likewise.
8043 (*lshrhi3_cmp): Likewise.
8044 (*lshrhi3_cconly): Likewise.
8045 (*lshrqi2_cmp): Likewise.
8046 (*lshrqi2_cconly): Likewise.
8048 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8051 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8052 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8053 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8054 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8055 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8056 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8057 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8058 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8059 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8060 implement only CC setting effects of shift instructions.
8062 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8064 * doc/contrib.texi: Add myself.
8066 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8069 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8070 was set by the user.
8072 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8075 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8076 (divsi_inv_m1): Use them.
8077 (UNSPEC_DIV_INV_TABLE): New constant.
8079 2006-09-06 James E Wilson <wilson@specifix.com>
8082 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8083 then call count_or_remove_death_notes.
8085 2006-09-06 Jason Merrill <jason@redhat.com>
8088 * tree-inline.c (copy_result_decl_to_var): New fn.
8089 (declare_return_variable): Use it. Call declare_inline_vars here.
8090 (expand_call_inline): Not here.
8092 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8094 * doc/contrib.texi: Update my entry.
8096 2006-09-06 Nick Clifton <nickc@redhat.com>
8098 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8100 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8103 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8104 (canonicalize_induction_variables): Likewise.
8105 (tree_unroll_loops_completely): Likewise.
8106 (tree_ssa_prefetch_arrays): Likewise.
8107 (remove_empty_loops): Likewise.
8108 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8109 TODO_cleanup_cfg instead of directly calling
8110 cleanup_tree_cfg_loop.
8111 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8113 (tree_unroll_loops_completely): Likewise.
8114 (remove_empty_loops): Likewise.
8115 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8116 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8117 of tree_ssa_unswitch_loops.
8118 (tree_ssa_loop_ivcanon): Use the return value of
8119 canonicalize_induction_variables.
8120 (tree_ssa_empty_loop): Use the return value of
8122 (tree_complete_unroll): Use the return value of
8123 tree_unroll_loops_completely.
8124 (tree_ssa_loop_prefetch): Use the return value of
8125 tree_ssa_prefetch_arrays.
8126 * passes.c (execute_todo): Before Cleanup CFG, set
8127 updating_used_alone and after cleanup CFG, call
8128 recalculate_used_alone.
8130 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8133 * tree-vect-transform.c (vectorizable_condition): Move the check
8134 for the type after the check for simple condition.
8136 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8137 Kaz Kojima <kkojima@gcc.gnu.org>
8140 * mode-switching.c (optimize_mode_switching): Make the destination
8141 block of an abnormal edge have no anticipatable mode. Don't
8142 insert mode switching code at the end of the source block of
8145 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8147 PR rtl-optimization/26847
8148 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8149 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8150 (simplify_plus_minus): Count n_constants while filling ops. Replace
8151 qsort with insertion sort. Before going through the array to simplify
8152 pairs, sort it. Delay early exit until after the first sort, exiting
8153 only if no swaps occurred. Simplify pairs in reversed order, without
8154 special-casing the first iteration. Pack ops after simplifying pairs.
8156 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8158 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8159 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8160 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8161 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8163 2006-09-05 Richard Guenther <rguenther@suse.de>
8165 PR tree-optimization/28900
8166 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8167 compound conditional before creating COND_EXPR condition.
8169 2006-09-05 Richard Guenther <rguenther@suse.de>
8171 PR tree-optimization/28905
8172 * tree-vrp.c (fix_equivalence_set): Manually implement
8173 !value_ranges_intersect_p to also handle symbolic ranges.
8175 2006-09-05 Richard Guenther <rguenther@suse.de>
8178 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8181 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8183 PR rtl-optimization/27616
8184 * cse.c (table_size): New static variable.
8185 (new_basic_block): Initialize it to 0.
8186 (remove_from_table): Decrement it.
8187 (insert): Increment it.
8188 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8189 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8190 fold_rtx_mem_1 if under the cap.
8191 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8192 the lookup of the equivalent expression and test for equality of the
8193 first operand of the equivalent expression before in turn looking up
8194 an equivalent constant for the second operand.
8196 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8199 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8200 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8201 pointer, instead of assuming it is possible to derive the
8202 correct args size from a call insn.
8204 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8207 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8208 (fold_builtin_mempcpy): Rename to...
8209 (fold_builtin_memory_op): ... this. Optimize one element copy
8211 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8213 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8214 (expand_builtin_memcpy, expand_builtin_mempcpy,
8215 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8216 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8217 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8218 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8220 2006-09-01 DJ Delorie <dj@redhat.com>
8222 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8223 (stzx_16): Likewise.
8224 ("stzx_24_<mode>"): Likewise.
8225 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8226 ("cmp<mode>_op"): New.
8227 (cmp<mode>): Change to expander; just save operands.
8229 (b<code>): Change to expander, emit compare here.
8230 (s<code>_op): Change to use split and expander.
8231 (s<code>_24_op): Likewise.
8232 (s<code>_<mode>): New.
8233 (s<code>_<mode>_24): New.
8234 (movqicc_<code>_<mode): New.
8235 (movhicc_<code>_<mode>): New.
8238 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8239 (m32c_pend_compare): New.
8240 (m32c_unpend_compare): New.
8241 (m32c_expand_scc): New.
8242 (m32c_expand_movcc): Emit the compare also.
8243 * config/m32c/predicates.md (mra_nopp_operand): New.
8245 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8246 Richard Guenther <rguenther@suse.de>
8247 Adam Nemet <anemet@caviumnetworks.com>
8250 * builtins.c (get_pointer_alignment): Handle more forms
8251 of base addresses that can be used to derive more precise
8252 information about alignment.
8254 2006-09-01 Jason Merrill <jason@redhat.com>
8257 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8260 * gimplify.c (voidify_wrapper_expr): Handle null type.
8262 2006-09-01 Josh Conner <jconner@apple.com>
8265 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8266 (execute_return_slot_opt): Use it.
8268 2006-08-31 Josh Conner <jconner@apple.com>
8271 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8272 returning aggregates.
8274 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8276 PR tree-optimization/28839
8277 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8278 blocks in that phi arguments appear.
8280 2006-08-31 Roger Sayle <roger@eyesopen.com>
8283 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8284 NULL, otherwise use an advance_loc4 to adjust relative to the
8286 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8287 (dwarf2out_switch_text_section): Reset the current label to avoid
8288 using advance_loc4 over section boundaries.
8290 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8293 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8294 r12 + SYMBOLIC_CONST.
8296 2006-08-30 Richard Guenther <rguenther@suse.de>
8298 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8300 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8302 PR rtl-optimization/27735
8303 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8304 Add new argument to keep track of whether an irreducible region
8305 was affected. All callers changed.
8306 (fix_irreducible_loops): Removed.
8307 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8308 flags were invalidated.
8310 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8312 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8313 instead of SF operands.
8314 (*fop_df_comm_sse): Likewise.
8315 (*fop_df_comm_i387): Likewise.
8316 (*fop_df_1_mixed): Likewise.
8317 (*fop_df_1_sse): Likewise.
8319 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8320 J"orn Rennecke <joern.rennecke@st.com>
8322 PR tree-optimization/17506
8323 * tree-ssa.c (warn_uninit): If warning about a location outside of
8324 the current function, note where the variable was declared.
8326 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8328 PR tree-optimization/28411
8329 * double-int.c (double_int_div): Use double_int_divmod.
8330 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8331 double_int_mod, double_int_smod, double_int_umod): New functions.
8332 * double-int.h (double_int_divmod, double_int_sdivmod,
8333 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8335 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8337 (get_computation_aff, get_computation_cost_at): Handle double_int
8338 return type of constant_multiple_of.
8340 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8343 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8344 an implicit conversion.
8346 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8348 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8350 2006-08-27 Roger Sayle <roger@eyesopen.com>
8352 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8355 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8357 * config/i386/crtfastmath.c: Fix a comment typo.
8359 2006-08-26 Roger Sayle <roger@eyesopen.com>
8361 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8362 temporary visit flags on CASE_LABEL_EXPRs.
8363 * c-common.c (match_case_to_enum): Add function comment. Avoid
8364 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8365 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8366 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8367 a constant, only warn if that constant value isn't handled.
8369 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8372 * input.h (restore_input_file_stack): Declare.
8373 (INPUT_FILE_STACK_BITS): Define.
8374 * toplev.c (fs_p, input_file_stack_history,
8375 input_file_stack_restored, restore_input_file_stack): New.
8376 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8377 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8378 (pop_srcloc): Don't free old state of stack.
8380 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8383 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8384 (PowerPC Type Attributes): New.
8386 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8388 * config/xtensa/xtensa.c (function_arg_boundary): New.
8389 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8391 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8392 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8394 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8397 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8400 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8402 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8403 (verify_local_live_at_start): Likewise.
8405 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8408 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8409 omp_add_variable): Treat sizes as variable whenever not
8412 2006-08-26 Richard Guenther <rguenther@suse.de>
8415 * fold-const.c (fold_binary): Fold temporary to correct
8416 type before constructing new comparison.
8418 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8421 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8422 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8424 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8427 * c-decl.c (start_function): Don't try to process prototype
8428 information from old declaration that isn't a function.
8430 2006-08-25 Jan Hubicka <jh@suse.cz>
8433 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8435 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8438 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8441 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8443 PR tree-optimization/16876
8444 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8445 exit if PARM doesn't match VALUE.
8447 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8449 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8450 literal_prefix directive.
8451 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8452 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8453 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8455 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8458 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8459 predicate to general_operand. Add 0->y and I->r alternatives.
8461 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8463 * doc/tm.texi: Fix a typo.
8464 * predict.c: Fix comment typos.
8466 2006-08-25 Nick Clifton <nickc@redhat.com>
8468 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8469 assertions of "cpu" and "machine".
8471 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8474 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8475 the access through a base which has an alias set of 0 cannot
8478 2006-08-24 Bill Wendling <wendling@apple.com>
8480 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8482 2006-08-24 Jan Hubicka <jh@suse.cz>
8484 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8486 2006-08-24 Jan Hubicka <jh@suse.cz>
8489 * cgraph.c: Fix comments.
8490 (cgraph_varpool_mark_needed_node): Mark only variables not already
8492 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8493 (cgraph_varpool_assembled_nodes_queue): New static variable.
8494 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8495 (cgraph_varpool_output_debug_info): New function.
8496 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8497 * Makefile.in: Add gt-cgraphunit.h
8499 2006-08-24 Jan Hubicka <jh@suse.cz>
8501 * predict.c (probability_reliable_p): New predicate.
8502 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8503 (predict_loops): Do not predict loop exit with less than 2%
8505 * basic-block.h (edge_probability_reliable_p,
8506 br_prob_note_reliable_p): Declare.
8507 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8508 prediction when static predictor is not reliable.
8509 * rs6000.c (output_cbranch): Likewise.
8511 2006-08-23 Stuart Hastings <stuart@apple.com>
8514 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8515 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8517 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8520 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8521 complex values, nor for generic vector values.
8523 2006-08-22 Richard Guenther <rguenther@suse.de>
8526 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8527 parameter. Convert arguments to arithmetic expression to the
8529 (analyze_scalar_evolution_1): Adjust caller.
8531 2006-08-22 Jan Hubicka <jh@suse.cz>
8533 Patch by Paolo Bonzini
8534 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8537 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8539 PR tree-optimization/28003
8540 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8541 before grouping aliases.
8543 2006-08-22 Roger Sayle <roger@eyesopen.com>
8545 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8546 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8548 2006-08-21 Jason Merrill <jason@redhat.com>
8551 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8552 wrapper. Loop to handle nested wrappers.
8553 (gimplify_bind_expr): Remove temp parameter.
8554 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8555 and STATEMENT_LIST on the rhs.
8556 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8557 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8558 (gimplify_target_expr): Remove special BIND_EXPR handling.
8560 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8562 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8565 2006-08-21 Olivier Hainque <hainque@adacore.com>
8567 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8568 Arrange for the temporary captures of components overlapping the lhs
8569 to happen before the lhs is possibly cleared.
8571 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8573 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8574 necessary places to pass the correct "number of registers" values
8577 2006-08-20 Jan Hubicka <jh@suse.cz>
8579 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8580 (create_name_tags): Instead of quadratic checking use hashtable.
8581 * bitmap.h: Include hashtab.h.
8582 (bitmap_hash): Declare.
8583 * bitmap.c (bitmap_hash): New function.
8585 2006-08-20 Jan Hubicka <jh@suse.cz>
8587 PR rtl-optimization/28071
8588 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8590 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8591 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8592 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8593 cgraph_decide_inlining_incrementally): Update use of
8594 cgraph_check_inline_limits.
8595 * cgraph.c (edge_hash, edge_eq): New function.
8596 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8597 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8598 cgraph_remove_node): Maintain call site hash.
8599 * cgraph.h (struct cgraph_node): Add call_site_hash.
8600 (cgraph_set_call_stmt): New function.
8602 2006-08-20 Jan Hubicka <jh@suse.cz>
8604 PR rtl-optimization/28071
8605 * reload1.c (reg_has_output_reload): Turn into regset.
8606 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8607 choose_reload_regs, emit_reload_insns): Update to new
8608 reg_has_output_reload.
8610 2006-08-20 Jan Hubicka <jh@suse.cz>
8613 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8614 function body sizes.
8615 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8617 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8620 * tree.c (handle_dll_attribute): Return early if not a
8621 var or function decl.
8623 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8626 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8627 alignment of SPE vector types.
8629 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8631 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8633 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8636 * cgraph.h (struct cgraph_node): Remove externally_visible
8638 * cgraphunit.c (process_function_and_variable_attributes): Set
8639 local.externally_visible rather than externally_visible.
8642 * c-common.c (handle_externally_visible_attribute): First look
8643 at TREE_CODE and only if it is function or var decl, check for
8644 non-public objects. Don't warn for DECL_EXTERNAL.
8645 * cgraphunit.c (process_function_and_variable_attributes): Warn
8646 if externally_visible attribute is used on non-public object.
8648 2006-08-17 Jan Hubicka <jh@suse.cz>
8650 PR tree-optimization/27865
8651 * reload1.c (forget_marked_reloads): New function.
8652 (forget_old_reloads_1): When data are passed, just mark the registers
8654 (reload_as_needed): Use the new mechanizm.
8656 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8659 * reload.h (reg_equiv_alt_mem_list): New declaration.
8660 * reload1.c (reg_equiv_alt_mem_list): New definition.
8661 (reload): Initialize it and release it.
8662 (delete_output_reload): Use it.
8663 * reload.c (push_reg_equiv_alt_mem): New function.
8664 (find_reloads_toplev): Call it.
8665 (find_reloads_address, find_reloads_address_1): Likewise.
8666 (find_reloads_subreg_address): Likewise.
8668 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8670 PR rtl-optimization/28489
8671 * sched-ebb.c (begin_schedule_ready): Create basic block
8673 (advance_target_bb): Skip empty blocks.
8674 * haifa-sched.c (bb_note): Make global.
8675 * sched-int.h (bb_note): Add prototype.
8677 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8679 PR tree-optimization/27865
8680 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8682 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8683 fold_used_pointer, pointer_used_p): New functions.
8684 (analyze_scalar_evolution_1): Use fold_used_pointer.
8685 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8686 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8689 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8692 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8693 or the INTEGER_CST. Fail on a CALL_EXPR.
8694 (fold_offsetof): Pass new argument to fold_offsetof_1.
8695 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8696 operand into an INDIRECT_REF.
8697 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8699 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8701 PR gcov/profile/26570
8702 * value-prof.c (static_values): Removed.
8703 (tree_find_values_to_profile): Do not set static_values.
8704 (find_values_to_profile): Do not free static_values.
8705 * profile.c (instrument_values): Do not free the values.
8706 (branch_prob): Free the values.
8708 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8710 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8712 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8715 * c-typeck.c (build_component_ref): Combine qualifiers of
8716 structure or union and field.
8718 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8720 PR rtl-optimization/28071
8721 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8722 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8723 * tree-into-ssa.c (struct dom_dfsnum): New.
8724 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8726 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8727 compute_global_livein.
8728 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8729 in phi nodes in the correct blocks.
8731 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8733 PR tree-optimization/28364
8734 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8736 (fold_affine_expr): New function.
8737 (may_eliminate_iv): Use fold_affine_expr.
8739 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8742 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8745 2006-08-16 Mike Stump <mrs@apple.com>
8747 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8748 * doc/cppopts.texi (-MD): Likewise.
8750 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8753 * c-common.c (handle_weak_attribute): Ignore and warn if
8754 not a FUNCTION_ or VAR_DECL.
8756 2006-07-15 Mike Stump <mrs@apple.com>
8759 * c-parser.c (c_parser_typeof_specifier): Don't use
8760 c_finish_expr_stmt, open code desired semantics instead.
8762 2006-08-15 Nick Clifton <nickc@redhat.com>
8764 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8765 fragment to tmake_file only if threads are enabled.
8766 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8767 * config/i386/t-gthr-win32: New file. ... here.
8769 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8772 * c-parser.c (c_parser_compound_statement_nostart): Reset
8773 parser->error after each statement.
8775 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8778 * omp-low.c (lower_omp_parallel): Convert t to
8779 receiver_decl's type.
8780 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8781 source before comparison.
8784 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8785 to itype in assignment to oldival2.
8787 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8791 * c-typeck.c (build_compound_expr): If the second expression
8792 is an error mark, then just return an error mark instead of
8793 creating a COMPOUND_EXPR.
8795 2006-07-14 Mike Stump <mrs@apple.com>
8797 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8799 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8801 * c-decl.c, var-tracking.c: Fix comment typos.
8803 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8805 PR rtl-optimization/28634
8806 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8807 for floating-point modes unless flag_unsafe_math_optimizations.
8809 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8810 Andrew Pinski <pinskia@physics.uc.edu>
8813 * tree.c (build_array_type): Unify array types with
8814 unspecified index_type.
8815 * c-decl.c (grokdeclarator): Make sure we do not modify a
8816 unified incomplete array type.
8817 * c-typeck.c (store_init_value): Create distinct type before
8818 filling in the index type in an initializer from a compound
8821 * c-decl.c (grokdeclarator): Remove code where we copy the
8824 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8826 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8827 into account for TODO_dump_cgraph.
8828 (TODO_update_ssa_no_phi): Likewise.
8829 (TODO_update_ssa_full_phi): Likewise.
8830 (TODO_update_ssa_only_virtuals): Likewise.
8831 (TODO_remove_unused_locals): Likewise.
8832 (TODO_set_props): Likewise.
8833 (TODO_update_stmt_usage): Likewise.
8835 2006-08-13 Dirk Mueller <dmueller@suse.de>
8837 * c-common.c (strict_aliasing_warning): Fix formatting.
8839 2006-08-13 Matthias Klose <doko@debian.org>
8841 * doc/invoke.texi: Fix spelling errors.
8843 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8845 PR rtl-optimization/23454
8846 * reorg.c (relax_delay_slots): Update comment.
8848 2006-08-11 Richard Guenther <rguenther@suse.de>
8851 * simplify-rtx.c (simplify_const_relational_operation):
8852 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8855 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8857 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8858 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8860 2006-08-10 Paul Brook <paul@codesourcery.com>
8862 * final.c (final_scan_insn): Clear current_insn_predicate before
8863 outputting inline asm.
8865 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8867 PR tree-optimization/26197
8868 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8869 get_ref_base_and_extent and overlap_subvar to add only relevant
8870 subvars as may-aliases.
8871 (add_may_alias_for_new_tag): New function, factored out of
8873 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8874 with additional argument.
8875 * tree-flow.h (new_type_alias): Takes additional argument.
8877 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8879 * gcov.c (no_data_file): New flag.
8880 (read_count_file): Set it if data file not present. Assume counts
8882 (output_lines): Don't name the data file, if there wasn't one.
8884 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8886 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8887 (rs6000_generate_compare): Tweak comments.
8888 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8890 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8892 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8893 (var_debug_decl): New function.
8894 (var_reg_set): Follow debug decl link. Add location even if
8895 reg is already known to hold some other variable.
8896 (var_mem_set): Follow debug decl link.
8897 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8898 decl link. Delete other known locations of the variable part
8900 (var_reg_delete, var_mem_delete): Delete other known locations
8901 of the variable part if requested.
8902 (same_variable_part_p): New function.
8903 (add_stores): Select MO_COPY when appropriate.
8904 (vt_initialize): Handle it.
8905 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8906 known locations for MO_SET and MO_CLOBBER.
8907 (find_variable_location_part): New function.
8908 (set_variable_part, delete_variable_part): Use it.
8909 (clobber_variable_part): New function.
8910 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8913 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8915 PR tree-optimization/26969
8916 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8917 with an empty list of PHIs.
8919 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8923 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8926 2006-08-06 Andreas Schwab <schwab@suse.de>
8928 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8929 string. Whitespace and comment fixup.
8931 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8934 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8938 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8941 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8943 2006-08-04 Jan Hubicka <jh@suse.cz>
8947 * reload.c (push_reload): Patch out the mismatching instruction;
8949 (find_reload): Bail out if the instruction was patched out.
8951 2006-08-04 Jan Hubicka <jh@suse.cz>
8953 PR tree-optimization/24888
8954 * tree-inline.c (expand_call_inline): Do not re-record variables.
8955 (declare_inline_vars): Add variable to unexpanded_var_list.
8957 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8958 Roger Sayle <roger@eyesopen.com>
8960 PR rtl-optimization/26244
8961 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8962 inner_const are negative or greater than or equal to the bitsize of
8963 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8964 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8965 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8966 CONST0_RTX (mode) when the new shift count is greater than or equal to
8967 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8970 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8972 * tree-cfg.c: Fix a comment typo.
8974 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8977 * varasm.c (output_constant): Give the front end another chance to
8978 expand constants, after stripping NOPs.
8980 2006-08-03 Jan Hubicka <jh@suse.cz>
8982 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8985 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8987 PR tree-optimization/27770
8988 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8989 declaration removed (moved to tree-flow.h).
8990 (vect_can_force_dr_alignment_p): Likewise.
8991 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8992 (moved from tree-vectorizer.h).
8993 (vect_can_force_dr_alignment_p): Likewise.
8994 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8995 from outside the vectorizer - in particular from cgraph stage.
8996 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8997 the alignment of global arrays when -fsection-anchors is enabled.
8998 * cgraphunit.c (cgraph_increase_alignment): New function.
8999 (cgraph_optimize): Call cgraph_increase_alignment.
9001 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9004 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9005 not reload a SPE symbol_ref into a lo_sum address.
9007 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9010 * dwarf2out.c (prune_unused_types_prune): Move call to
9011 prune_unused_types_update_strings to cover the parent DIE also.
9013 2006-08-02 Jan Hubicka <jh@suse.cz>
9015 PR gcov/profile/28480
9016 * tree-cfg.c (change_bb_for_stmt): New function.
9017 (tree_merge_blocks, tree_split_blocks): Use it.
9019 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9025 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9026 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9027 (cgraph_optimize): Likewise.
9029 2006-08-01 Stuart Hastings <stuart@apple.com>
9031 * rtl.h (UINTVAL) New.
9032 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9033 * testsuite/gcc.dg/20060801-1.c: New.
9035 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9038 * c-typeck.c (build_external_type): Mark used enum types.
9039 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9041 (gen_subprogram_die): Whitespace fix.
9043 2006-08-01 Jan Hubicka <jh@suse.cz>
9045 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9046 bitmap when not needed.
9047 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9050 2006-08-01 Dirk Mueller <dmueller@suse.de>
9052 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9054 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9056 * Makefile.in: Revert part of previous patch:
9057 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9060 2006-07-30 Eric Christopher <echristo@apple.com>
9063 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9064 (PowerPC Variable Attributes): New section.
9066 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9068 PR target/28126 (partial fix)
9069 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9071 2006-07-28 Jan Hubicka <jh@suse.cz>
9073 PR rtl-optimization/28071
9074 * cfgrtl.c (rtl_delete_block): Free regsets.
9075 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9077 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9079 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9080 and variables used in dependencies.
9082 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9084 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9085 %fs for -mcmodel=kernel.
9086 (stack_tls_protect_test_di): Likewise.
9088 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9090 * Makefile.in: Use mkinstalldirs.
9092 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9095 * opts-common.c (prune_options): Skip joined switches.
9097 2006-07-27 Jan Hubicka <jh@suse.cz>
9099 PR rtl-optimization/28071
9100 * cselib.c (cselib_process_insn): Don't remove useless values too
9101 often for very large hashtables.
9103 2006-07-27 Jan Hubicka <jh@suse.cz>
9105 PR rtl-optimization/28071
9106 * global.c (greg_obstack): New obstack.
9107 (allocate_bb_info): Use it.
9108 (free_bb_info): Likewise.
9109 (modify_reg_pav): Likewise.
9111 2006-07-27 Roger Sayle <roger@eyesopen.com>
9113 * builtins.c (fold_fixed_mathfn): When long and long long are the
9114 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9115 functions to their lceil*, lfloor*, lround* and lrint* forms.
9117 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9120 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9122 (rev_branch_insn): Likewise.
9124 2006-07-27 Jan Hubicka <jh@suse.cz>
9126 PR rtl-optimization/28071
9127 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9128 (reg_set_in_bb, max_reg_computed): New static variables.
9129 (regmove_optimize): Free the new array.
9130 (fixup_match_1): Update call of reg_is_remote_constant_p.
9132 2006-07-26 Jan Hubicka <jh@suse.cz>
9134 PR tree-optimization/27882
9135 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9137 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9139 (cgraph_analyze_compilation_unit): Likewise.
9140 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9141 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9142 (cgraph_early_inlinine): Make order garbage collected.
9143 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9145 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9147 * dbxout.c (output_types_sort): Add a comment.
9148 (output_used_types): Free the VEC.
9150 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9152 * function.c (reorder_fix_fragments): Delete.
9153 (reorder_blocks): Don't call it.
9154 (reorder_blocks_1): Put all subblocks under the origin block.
9156 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9158 PR rtl-optimization/27907
9159 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9162 2006-07-25 Roger Sayle <roger@eyesopen.com>
9165 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9166 bar(x) check that bar's result type can represent all the values of T.
9168 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9170 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9172 2006-07-25 Nick Clifton <nickc@redhat.com>
9174 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9175 size_lookup[] array.
9176 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9177 (ggc_pch_count_object): Likewise.
9178 (ggc_pch_alloc_object): Likewise.
9179 (ggc_pch_write_object): Likewise.
9180 (init_ggc): Do not attempt to initialize entries in the
9181 size_lookup[] array for objects whose size is greater than than
9182 the length of the array.
9184 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9186 * dbxout.c (output_used_types_helper): Push queued types
9188 (output_types_sort): New.
9189 (output_used_types): Collect used types on a VEC and sort them
9192 2006-07-24 Richard Guenther <rguenther@suse.de>
9195 * cgraph.c (cgraph_remove_node): Do not check if dumps
9197 * cgraphunit.c (cgraph_optimize): Likewise.
9199 2006-07-24 Jan Hubicka <jh@suse.cz>
9201 PR rtl-optimization/28071
9202 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9203 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9204 splitting before first stmt.
9206 2006-07-24 Jan Hubicka <jh@suse.cz>
9208 PR rtl-optimization/28071
9209 * ipa-inline.c (update_caller_keys): Remove edges that
9210 are no longer inline candidates.
9212 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9215 * dbxout.c (output_used_types_helper, output_used_types): New.
9216 (dbxout_symbol): Call output_used_types.
9218 2006-07-23 Jan Hubicka <jh@suse.cz>
9222 * cgraph.c (cgraph_varpool_nodes): Export.
9223 (decide_is_variable_needed): Ignored "used" attribute in
9224 unit-at-a-time mode.
9225 * cgraph.h (cgraph_varpool_nodes): Declare.
9226 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9227 unit-at-a-time mode.
9229 2006-07-23 Roger Sayle <roger@eyesopen.com>
9232 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9233 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9234 the __gthrw form of thr_keycreate.
9235 (__gthread_key_delete): Silence the unused argument warning.
9237 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9240 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9241 Cache the last found '\0' marker to avoid quadratic behavior.
9243 2006-07-23 Jan Hubicka <jh@suse.cz>
9245 * i386.md (subsi_3_zext): Fix output template.
9247 2006-07-21 Mike Stump <mrs@apple.com>
9249 * doc/invoke.texi (C++ Dialect Options): Note that
9250 -fvisibility-inlines-hidden doesn't affect explicitly
9251 instantiationed inline methods.
9253 2006-07-20 Roger Sayle <roger@eyesopen.com>
9255 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9256 if the target assembler is GNU binutils' gas.
9257 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9258 whether to pass GNU gas or native as command line options.
9260 2006-07-20 Jason Merrill <jason@redhat.com>
9262 * tree.c (remove_attribute): New fn.
9263 * tree.h: Declare it.
9265 2006-07-20 Paul Brook <paul@codesourcery.com>
9268 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9269 they are invalidated by this instruction.
9271 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9274 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9276 2006-07-20 Eric Christopher <echristo@apple.com>
9279 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9281 2006-07-19 Eric Christopher <echristo@apple.com>
9283 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9284 Rewrite dependencies for libgcc_s.1.dylib.
9286 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9288 * except.c (duplicate_eh_regions_1): Clear next_peer.
9290 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9292 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9293 -mlongcall does not guarantee all calls will be long.
9294 * doc/extend.texi (long_call/short_call): Document that longcall
9295 does not guarantee a long call will be used.
9296 (longcall/shortcall): Likewise.
9298 2006-07-18 Roger Sayle <roger@eyesopen.com>
9301 * expmed.c (expand_shift): Additionally check that the shift_cost
9302 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9303 before implementing a LSHIFT_EXPR as a sequence of additions.
9304 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9305 middle-end that DImode shifts need to be synthesized by expand.
9307 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9310 * tree-ssa-operands.c (access_can_touch_variable): Update
9312 Return true if ALIAS is .GLOBAL_VAR.
9314 2006-07-18 David Daney <ddaney@avtrex.com>
9316 * gcc.c (display_help): Fix typo in help text.
9318 2006-07-18 Olivier Hainque <hainque@adacore.com>
9320 * tree.h (categorize_ctor_elements): Adjust prototype and add
9321 descriptive comment, both in accordance with the interface change
9323 * varasm.c (constructor_static_from_elts_p): New function.
9324 Whether a constructor node is a valid static constant initializer
9325 if all its elements are.
9326 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9327 * output.h: Declare it.
9328 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9329 is a valid constant initializer instead of computing the number of
9330 non-constant elements. Use constructor_static_from_elts_p for this
9331 purpose. Replace the head comment with an indication that this is a
9332 helper for categorize_ctor_elements.
9333 (categorize_ctor_elements): Same interface change as for the _1
9334 helper. Former head comment from this helper moved here, adjusted to
9335 account for the interface changes.
9336 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9337 (all_zeros_p): Likewise.
9338 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9339 static versions of the constructor from the categorize_ctor_elements
9340 return value instead of the formerly computed number of non-constant
9343 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9345 * configure: Regenerate.
9346 * Makefile.in (build_libsubdir): New configure substitution
9347 (build_libobjdir): New variable.
9348 (BUILD_LIBIBERTY): Use it.
9350 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9353 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9355 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9358 * c-common.c (handle_weakref_attribute): Ignore attribute in
9359 the same conditions the alias attribute is ignored.
9361 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9363 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9364 (dbxout_begin_prologue): Increment scope_labelno.
9366 2006-07-17 Richard Henderson <rth@redhat.com>
9369 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9372 2006-07-17 Roger Sayle <roger@eyesopen.com>
9373 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9375 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9376 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9377 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9378 functions such as sbrk, write, etc.. Add function prototypes.
9379 Convert function declarations from K&R to ISO C. Cast pointers
9380 to "long" and "unsigned long" instead of "int" and "unsigned int".
9381 Convert tokens following #endif into comments.
9383 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9385 * invoke.texi: Remove mention of f77; Reformat table for
9386 inline parameter options correctly; mention that -malign-double
9387 is default on x86-64 targets.
9389 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9391 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9392 (convert_affine_scev, chrec_convert_aggressive): Use
9393 avoid_arithmetics_in_type_p. Do not check for the subtypes
9396 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9399 * optabs.c (expand_doubleword_shift): Wrap the call to
9400 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9402 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9405 * optabs.c (expand_binop): Pass next_methods rather than methods
9406 to expand_doubleword_shift.
9408 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9411 * tree.h (dump_addr): Declare.
9412 * print-tree.c (dump_addr): New function.
9413 (print_node_brief, print_node): Use it.
9414 * print-rtl.c (print_rtx): Likewise.
9415 * common.opt (-fdump-noaddr): New option.
9416 * doc/invoke.texi (-fdump-noaddr): Document.
9417 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9418 (ve_info_hash): Likewise.
9420 2006-07-13 Andrew Haley <aph@redhat.com>
9422 PR tree-optimization/19505
9423 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9424 edge leaving this block, make sure that the destination of this
9425 block has only one predecessor.
9427 2006-07-17 Richard Guenther <rguenther@suse.de>
9429 PR tree-optimization/28238
9430 * tree-inline.c (copy_bb): Check if we produced valid
9431 gimple copying and substituting a stmt. If not, gimplify
9434 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9436 * optabs.c (maybe_encapsulate_block): New function extracted from...
9437 (emit_libcall_block): ...here. Invoke it on the block of insns to
9438 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9439 (emit_no_conflict_block): Likewise.
9441 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9443 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9445 2006-07-15 Roger Sayle <roger@eyesopen.com>
9447 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9448 a new NOP_EXPR case of the switch statement.
9450 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9453 * stor-layout.c (place_field): Take the bit field with
9454 an excessive size into account in the ms-bitfiled case.
9457 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9458 the previous bit field.
9460 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9463 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9465 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9467 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9468 signal frames correctly even when the signal was installed with
9471 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9473 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9474 (dbxout_function_end): Use local label LFBB. Remove hook
9476 (dbxout_source_line): Use local label LFBB.
9477 (dbxout_block): Likewise.
9478 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9479 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9480 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9481 and DBX_OUTPUT_NFUN.
9483 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9485 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9487 2006-07-13 Jan Hubicka <jh@suse.cz>
9489 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9491 * output.h (align_variable): Declare.
9492 * varasm.c (align_variable): Export.
9493 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9494 when basic block changed.
9496 2006-07-13 Nick Clifton <nickc@redhat.com>
9498 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9499 walking the LOG_LINKS chain.
9501 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9503 * doc/invoke.texi (C++ Dialect Options): Explain difference
9504 between -fvisibility-inlines-hidden and setting hidden
9505 visibility explicitly.
9507 2006-07-12 Eric Christopher <echristo@apple.com>
9509 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9510 (stmp-lipo): Depend on libgcc.a.
9512 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9514 * tree.c: Fix a comment typo.
9516 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9518 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9520 (umulhisi3_r): Likewise.
9522 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9525 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9526 x < 19, vs wchar_t support.
9528 2006-07-12 Nick Clifton <nickc@redhat.com>
9530 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9531 instead of -isa=sh4.
9533 2006-07-12 Mike Stump <mrs@apple.com>
9535 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9537 2006-07-10 Eric Christopher <echristo@apple.com>
9539 * config/t-slibgcc-darwin: Rewrite.
9541 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9544 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9547 2006-07-08 Matthias Klose <doko@debian.org>
9549 * doc/sourcebuild.texi: Fix typo.
9551 2006-07-07 Mike Stump <mrs@apple.com>
9553 * toplev.c (process_options): Don't give -ffunction-sections may
9554 affect debugging warning for Mach-O.
9556 2006-07-07 James E Wilson <wilson@specifix.com>
9558 * config/mips/mips.md (cpu): Add sb1a.
9559 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9560 addition to sb1. Adjust comments to clarify SB-1A differences from
9562 (ir_sb1a_load): New. Modify bypasses to use it.
9563 (ir_sb1a_simple_alu): Likewise.
9564 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9565 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9566 (mips_issue_rate): Add PROCESSOR_SB1A.
9567 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9568 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9569 (TARGET_SB1): Add PROCESSOR_SB1A check.
9570 (TUNE_SB1): Likewise.
9572 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9573 * config/mips/mips.c (mips_store_data_bypass_p): New.
9574 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9575 store_data_bypass_p.
9577 2006-07-08 Paul Brook <paul@codesourcery.com>
9580 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9582 2006-07-07 Richard Guenther <rguenther@suse.de>
9585 * tree.h (build_one_cst): Declare.
9586 * tree.c (build_one_cst): New function.
9587 * tree-ssa-math-opts.c (get_constant_one): Remove.
9588 (insert_reciprocals): Use build_one_cst.
9589 * fold-const.c (fold_plusminus_mult): Likewise.
9591 2006-07-07 Roger Sayle <roger@eyesopen.com>
9593 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9594 * cfgloopanal.c (dump_graph): Likewise.
9595 * dojump.c (discard_pending_stack_adjust): Likewise.
9596 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9598 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9599 * function.c (finalize_block_changes): Likewise.
9600 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9601 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9602 * rtl.c (dump_rtx_statistics): Likewise.
9603 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9605 * varray.c (dump_varray_statistics): Likewise.
9606 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9607 decode_decimal64, encode_decimal128, decode_decimal128,
9608 decimal_real_to_decimal): Likewise.
9610 2006-07-07 Richard Guenther <rguenther@suse.de>
9612 PR tree-optimization/28187
9613 * tree-vrp.c (vrp_operand_equal_p): New function.
9614 (vrp_bitmap_equal_p): Likewise.
9615 (update_value_range): Use them to compare old and new
9618 2006-07-06 Roger Sayle <roger@eyesopen.com>
9620 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9621 a default case to switch statement to silence compiler warnings.
9623 2006-07-06 Roger Sayle <roger@eyesopen.com>
9626 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9627 the configured assembler supports the x87's ffreep mnemonic.
9628 * configure: Regenerate.
9629 * config.in: Regenerate.
9631 * config/i386/i386.c (output_387_ffreep): New function.
9632 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9633 (output_387_reg_move): Likewise.
9635 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9637 Port to hosts whose 'sort' and 'tail' implementations
9638 treat operands with leading '+' as file names, as POSIX
9639 has required since 2001. However, make sure the code still
9640 works on pre-POSIX hosts.
9641 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9642 which says you should use "tail -c +N" rather than "tail +Nc".
9643 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9645 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9647 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9650 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9653 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9654 PRE_{INC,DEC} of TFmode.
9656 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9657 Alan Modra <amodra@bigpond.net.au>
9660 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9663 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9666 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9667 Remove duplicate gtu.
9669 2006-07-05 Jason Merrill <jason@redhat.com>
9673 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9674 * c-common.c (handle_packed_attribute): So don't copy it here.
9675 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9677 2006-07-05 Mike Stump <mrs@apple.com>
9679 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9681 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9684 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9686 2006-07-05 Richard Guenther <rguenther@suse.de>
9689 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9690 TARGET_SSE2 targets if using SSE math.
9691 (*absdf2_1): Likewise.
9693 2006-07-05 Richard Guenther <rguenther@suse.de>
9695 PR tree-optimization/28162
9696 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9697 make sure to convert the operands to the correct type.
9699 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9701 PR tree-optimization/28218
9703 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9704 to calculate and free the dominator information.
9706 2006-07-04 Peter O'Gorman <peter@pogma.com>
9708 * mklibgcc.in: chmod 644 before ranlib during install.
9710 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9711 J"orn Rennecke <joern.rennecke@st.com>
9713 * configure.ac (.eh_frame data check): Use diff -b.
9715 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9718 * Makefile.in (BUILD_RTL): Add build/vec.o.
9719 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9720 (build/genextract): Delete.
9721 (build/genautomata): Likewise.
9723 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9726 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9727 128-bit IBM long doubles for ABI_V4.
9729 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9731 * tree.c (range_in_array_bounds_p): New predicate.
9732 * tree.h (range_in_array_bounds_p): Declare it.
9733 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9734 return a less conservative answer.
9735 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9736 and flag 'is_group'.
9737 (IS_ELEMENT_FOR_GROUP): New macro.
9738 (FOR_EACH_ACTUAL_CHILD): Likewise.
9739 (next_child_for_group): New helper function.
9740 (can_completely_scalarize_p): Take into account groups.
9741 (sra_hash_tree): Handle RANGE_EXPR.
9742 (sra_elt_eq): Likewise.
9743 (lookup_element): Be prepared for handling groups.
9744 (is_valid_const_index): Delete.
9745 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9746 instead of is_valid_const_index.
9747 <ARRAY_RANGE_REF>: New case.
9748 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9749 is_valid_const_index.
9750 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9751 (scan_dump): Dump info for groups too.
9752 (decide_instantiation_1): Likewise.
9753 (decide_block_copy): Assert that the element is not a group.
9754 Propagate decision to groups.
9755 (generate_one_element_ref): Handle RANGE_EXPR.
9756 (mark_no_warning): Iterate over actual childs.
9757 (generate_copy_inout): Likewise.
9758 (generate_element_copy): Likewise.
9759 (generate_element_zero): Likewise.
9760 (generate_element_init_1): Likewise.
9761 (dump_sra_elt_name): Handle RANGE_EXPR.
9763 2006-07-03 Roger Sayle <roger@eyesopen.com>
9765 PR tree-optimization/26251
9766 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9767 (thread_block): When optimizing for size refuse to thread jumps
9768 that would require duplication of blocks other than redirection
9771 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9773 * configure.ac: Fix thinko in previous check-in.
9774 * configure: Regenerate.
9776 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9779 * configure.ac (for lang...): Simplify nesting of conditionals.
9780 Test subdir_requires for non-enabled languages. Move processing
9781 of lang_opt_files and lang_tree_fiels below that test.
9782 * configure: Regenerate.
9783 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9785 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9787 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9789 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9791 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9794 2006-06-29 Jason Merrill <jason@redhat.com>
9801 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9802 * c-common.c (c_determine_visibility): Handle it here.
9803 * c-decl.c (finish_decl): Call c_determine_visibility for
9805 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9807 * varasm.c (default_assemble_visibility): Likewise.
9808 * c-common.c (handle_visibility_attribute): Complain about trying
9809 to give visibility to an already defined class, or trying to change
9810 declared visibility. Always attach the attribute.
9815 * attribs.c (decl_attributes): Ignore type-in-place attributes
9816 once the type has been defined.
9818 2006-06-29 Roger Sayle <roger@eyesopen.com>
9821 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9822 to indicate the cpplib has issued an error message for us.
9824 2006-06-29 Asher Langton <langton2@llnl.gov>
9827 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9828 insert a label at the end of an function under Mach-O.
9830 2006-06-29 Eric Christopher <echristo@apple.com>
9831 Evan Cheng <evan.cheng@apple.com>
9833 * predicates.md (vector_all_ones_operand): New.
9834 (nonimmediate_or_sse_const_operand): Ditto.
9835 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9836 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9837 (standard_sse_mode_p): Ditto.
9838 (standard_sse_constant_p): Add case for -1 vector.
9839 (ix86_expand_vector_move): Try to use.
9840 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9841 Call standard_sse_constant_opcode.
9842 (*movv4sf_internal): Ditto.
9843 (*movv2df_internal): Ditto.
9845 2006-06-29 Roger Sayle <roger@eyesopen.com>
9847 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9848 of XEXP to extract the operands of a MATCH_CODE rtx.
9850 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9852 * tree.c (tree_size): Do not waste tail padding in
9853 struct tree_string and make the size be the same as
9854 build_string will generate.
9856 2006-06-28 Jason Merrill <jason@redhat.com>
9859 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9860 may_aliases already in the tag's annotations to the bitmap.
9862 2006-06-28 Roger Sayle <roger@eyesopen.com>
9864 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9866 2006-06-28 Roger Sayle <roger@eyesopen.com>
9868 * genpreds.c (generate_switch_p): New function.
9869 (add_mode_tests): Push the new mode test down inside an AND expr
9870 if this allows the switch-suitable MATCH_CODE to be near the root.
9871 (write_match_code_switch): New function to write a MATCH_CODE as
9873 (write_predicate_stmts): New function to write a predicate RTX
9874 expression as a sequence of statements.
9875 (write_one_predicate_function): Use write_predicate_stmts.
9876 (write_tm_constrs_h): Likewise.
9878 2006-06-26 Fred Fish <fnf@specifix.com>
9880 * config/mips/t-sb1: New file.
9881 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9884 2006-06-26 DJ Delorie <dj@redhat.com>
9886 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9888 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9889 Jayant Sonar <jayants@kpitcummins.com>
9890 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9892 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9893 (subsi3, subsi3_1, subsi3_2): New.
9894 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9895 * config/m32c/mov.md (SI mov peephole): New.
9896 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9897 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9899 2006-06-26 Olivier Hainque <hainque@adacore.com>
9901 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9902 a CALL_EXPR target function declaration.
9904 2006-06-26 Richard Guenther <rguenther@suse.de>
9906 * tree.c (build_string): Do not waste tail padding in
9909 2006-06-26 Richard Guenther <rguenther@suse.de>
9911 * ggc-page.c (init_ggc): Add missing element to size_lookup
9915 2006-06-23 Richard Guenther <rguenther@suse.de>
9917 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9918 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9919 alignment requests instead. Add verification code.
9920 Add struct tree_function_decl and struct tree_binfo size to
9921 extra_order_size_table. Add missing element to size_lookup
9924 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9927 * fold-const.c (const_binop): Be prepared for self returning zero.
9928 Simplify code handling complex values.
9930 2006-06-24 Olivier Hainque <hainque@adacore.com>
9932 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9933 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9936 2006-06-24 Olivier Hainque <hainque@adacore.com>
9938 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9939 ARRAY_REF, so have the callback called for the low bound expression.
9941 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9943 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9944 * c-typeck.c (c_common_type): Disallow operations on decimal float
9945 types and other float types.
9946 * convert.c (convert_to_real): Don't ignore conversions involving
9947 decimal float types.
9949 2006-06-23 Olivier Hainque <hainque@adacore.com>
9951 * tree.c (max_int_size_in_bytes): New function, inspired from
9952 code in function.c:assign_temp.
9953 * tree.h (max_int_size_in_bytes): Declare.
9954 * function.c (assign_temp): Use it.
9955 * gimplify.c (create_tmp_var): Relax the assertions on the type
9956 properties, not mandating constant size any more.
9957 (force_constant_size): New static function.
9958 (gimple_add_tmp_var): Use it, forcing variable size to a
9959 constant upper bound if it is not constant on entry.
9961 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9964 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9965 for initialization and setting of one_only flag to ...
9966 (i386_pe_encode_section_info): ...here.
9967 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9968 Recheck that the symbol has not been defined.
9970 2006-06-23 Richard Guenther <rguenther@suse.de>
9972 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9973 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9974 alignment requests instead. Add verification code.
9975 Add struct tree_function_decl and struct tree_binfo size to
9976 extra_order_size_table. Add missing element to size_lookup
9979 2006-06-22 Roger Sayle <roger@eyesopen.com>
9980 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9983 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9984 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9986 2006-06-23 Ben Elliston <bje@au.ibm.com>
9988 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9989 negate dn -- manipulate it directly.
9991 2006-06-22 Roger Sayle <roger@eyesopen.com>
9992 Steven Bosscher <stevenb.gcc@gmail.com>
9995 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9996 generated by gen_move_insn to add REG_LABEL notes if necessary.
9998 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10000 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10001 (leaf_entry): Remove use of MIN_ESA.
10003 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10005 PR rtl-optimization/28121
10006 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10009 2006-06-21 DJ Delorie <dj@redhat.com>
10011 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10013 (mulhisi3_r): Likewise.
10015 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10017 PR middle-end/28034
10018 * coverage.c (coverage_counter_alloc): Leave the index type
10020 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10023 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10025 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10026 section from the "Options for Code Generation Conventions".
10028 2006-06-21 Richard Henderson <rth@redhat.com>
10032 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10034 (global_symbolic_operand): Allow weak symbols, even if local_p.
10036 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10038 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10039 (find_interesting_uses_address): Punt if above function returns true.
10041 2006-06-21 Richard Guenther <rguenther@suse.de>
10043 * configure: Regenerated.
10045 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10047 * config/mips/mips.c (function_arg): Where one part of a
10048 complex argument is in registers and the other part in the stack,
10049 return a REG not a PARALLEL.
10051 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10053 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10054 when cross-compiling. Do not substitute libstdcxx_incdir.
10055 * configure: Regenerated.
10057 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10059 * varasm.c (mergeable_string_section): Check for embedded NULs and
10060 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10061 rather than TREE_STRING_LENGTH bytes.
10063 2006-06-21 Richard Guenther <rguenther@suse.de>
10065 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10066 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10069 2006-06-21 Richrad Guenther <rguenther@suse.de>
10071 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10072 Limit iteration over the dominators.
10074 2006-06-20 Roger Sayle <roger@eyesopen.com>
10076 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10077 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10079 2006-06-20 Richard Guenther <rguenther@suse.de>
10080 Michael Matz <matz@suse.de>
10082 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10084 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10085 * et-forest.h (et_free_pools): Prototype new function.
10086 * et-forest.c (et_free_tree_force): Free parent occurrence.
10087 (et_free_pools): New function.
10088 * dominance.c (free_dominance_info): Free et-forest alloc
10091 2006-06-20 Roger Sayle <roger@eyesopen.com>
10093 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10094 integer modes, attempt to directly construct an integer constant.
10096 * fold-const.c (native_encode_vector): Determine the size of each
10097 element from the vector type instead of the first vector element.
10099 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10100 if all of its elements/components are constant.
10101 (build_constructor_from_list): Likewise.
10103 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10105 PR tree-optimization/27331
10106 * tree-data-ref.c (free_data_ref): New function.
10107 (create_data_ref): Fail if the data reference has unknown access
10109 (free_data_refs): Use free_data_ref.
10111 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10113 PR middle-end/28075
10114 * tree-inline.c (setup_one_parameter): Strip useless
10115 type conversion before adding it to the IR.
10116 (declare_return_variable): Likewise.
10118 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10121 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10123 2006-06-19 Mike Stump <mrs@apple.com>
10125 * tree.c (variably_modified_type_p): VM arguments don't make the
10128 2006-06-19 Richard Guenther <rguenther@suse.de>
10130 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10131 type conversions after folding.
10133 2006-06-19 Richard Guenther <rguenther@suse.de>
10135 * ggc-page.c (extra_order_size_tab): Add entries with
10136 size of struct function and basic_block.
10137 (size_lookup): Extend to cover sizes up to 511.
10138 (ggc_alloc_stat): Adjust user.
10139 (ggc_pch_count_object): Likewise.
10140 (ggc_pch_alloc_object): Likewise.
10141 (ggc_pch_write_object): Likewise.
10143 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10145 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10146 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10149 2006-06-19 Denis Chertykov <denisc@overta.ru>
10151 * config/avr/libgcc.S : Correct my wrong previous commit.
10153 2006-06-19 Roger Sayle <roger@eyesopen.com>
10156 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10157 have stripped a SUBREG from the shift count, so we may need to
10158 convert_to_mode back to the type's mode before calling make_tree.
10159 Use new_amount instead of amount to avoid expanding a tree twice.
10161 2006-06-19 Richard Guenther <rguenther@suse.de>
10163 PR middle-end/28045
10164 * fold-const.c (operand_equal_p): Check if the argument types
10165 have the same precision before stripping NOPs.
10167 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10169 Fix PR tree-optimization/27341
10170 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10172 * tree-complex.c (pass_lower_complex): Update SMT usage.
10174 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10176 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10177 Add a new alternative to the constraint strings. Add move of
10178 operand 1 to 3 to the splitter definition.
10179 ("doloop_si_long"): Second contraint alternative removed.
10181 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10183 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10184 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10186 (AVR_HAVE_MOVW) Define.
10187 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10188 (ASM_SPEC): Add avr25.
10189 (LINK_SPEC): Add avr25.
10190 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10191 (base_arch_s): Add new member 'have_movw_lpmx'.
10192 (avr_arch_types): Init 'have_movw_lpmx'.
10193 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10194 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10195 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10196 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10197 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10199 (avr_file_start): Do not output '.arh' derective.
10200 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10201 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10202 * config/avr/avr.md (mcu_enhanced): Delete.
10203 (mcu_have_movw): Define.
10204 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10205 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10206 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10207 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10208 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10209 attiny861 and at86rf401 devices.
10211 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10213 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10216 2006-06-17 Karl Berry <karl@gnu.org>
10218 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10219 doc/gccint.texi, doc/install.texi (@dircategory): Use
10220 "Software development" instead of "Programming", following
10221 the Free Software Directory.
10223 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10225 * config/i386/i386.c (legitimate_tls_address)
10226 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10227 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10228 (*tls_dynamic_gnu2_combine_64): Likewise.
10230 2006-06-16 Richard Guenther <rguenther@suse.de>
10232 PR middle-end/27116
10233 * fold-const.c (negate_expr_p): Do not introduce undefined
10234 overflow in negating INTEGER_CSTs.
10235 (fold_negate_expr): Rename from negate_expr. Revert last
10236 change for folding BIT_NOT_EXPR. Change semantics to
10237 return NULL_TREE for non-simplified negations. Do not
10238 strip type conversions and unify type handling.
10239 (negate_expr): New function, wrap around fold_negate_expr
10240 but ensure building a tree always. Strip type conversions
10241 here, fold to result type.
10242 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10244 2006-06-16 Roger Sayle <roger@eyesopen.com>
10246 PR middle-end/27802
10247 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10248 that (would) return their results in stack registers.
10250 2006-06-16 Michael Matz <matz@suse.de>
10251 Richard Guenther <rguenther@suse.de>
10253 * fold-const.c (fold_truthop): Only return new tree node if
10254 we canonicalized something.
10256 2006-06-16 Richard Guenther <rguenther@suse.de>
10258 * function.h (enum function_frequency): Move declaration
10259 out of struct function.
10260 (struct function): Move bool fields and the enum to the bitfield
10261 section. Reorder elements to avoid padding. Remove unused
10262 fields left over from the RTL inliner removal.
10263 * function.c (free_after_compilation): Do not zero removed fields.
10264 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10265 (ipa-type-escape.o): Likewise.
10267 2006-06-16 Richard Guenther <rguenther@suse.de>
10269 * cgraph.h (struct cgraph_local_info): Turn bool elements
10271 (struct cgraph_node): Likewise.
10272 (struct cgraph_varpool_node): Likewise.
10274 2006-06-15 Richard Guenther <rguenther@suse.de>
10276 * fold-const.c (fold_truth_not_expr): Rename from
10277 invert_truthvalue. Give it fold_* semantics to avoid
10278 generating garbage.
10279 (invert_truthvalue): New function. Wrapper around
10280 fold_truth_not_expr.
10281 (optimize_minmax_comparison): Avoid creating garbage.
10282 (fold_unary): Use fold_truth_not_expr for folding
10284 (fold_ternary): Replace uses of invert_truthvalue with
10285 fold_truth_not_expr where applicable.
10286 * tree.h (fold_truth_not_expr): Prototype.
10288 2006-06-16 Richard Guenther <rguenther@suse.de>
10290 PR tree-optimization/27781
10291 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10292 * ipa-pure-const.c (target.h): Include.
10293 (analyze_function): Do not analyze functions that do not
10296 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10298 PR middle-end/27793
10299 * tree-dfa.c (referenced_vars_dup_list): Remove.
10300 (find_referenced_vars): Remove assert.
10301 (referenced_var_check_and_insert): Replace dup list with assert.
10302 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10303 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10305 2006-06-15 Richard Guenther <rguenther@suse.de>
10307 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10308 extra unused identifiers if not dumping.
10309 (create_variable_info_for): Likewise.
10311 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10313 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10314 (derive_constant_upper_bound): Derive more precise upper bound in
10315 common cases. Return type changed to double_int.
10316 (record_estimate): Reflect the changed return type of
10317 derive_constant_upper_bound.
10318 * double-int.c (double_int_zext, double_int_sext): Fix.
10320 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10322 * configure.ac (CFLAGS): Get them from the toplevel or from the
10323 configure invocation.
10324 * configure: Regenerate.
10325 * Makefile.in (CFLAGS): Substitute value provided by configure.
10327 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10330 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10331 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10332 rather than calling add_stmt on it.
10333 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10335 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10337 PR middle-end/27959
10338 * reload1.c (reload): Remove registers returned by update_eliminables
10339 from used_spill_regs.
10341 2006-06-13 DJ Delorie <dj@redhat.com>
10343 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10345 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10347 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10348 html__strip_dir, html__mkdir_p. Enhance install-html target.
10349 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10350 * configure: Regenerate.
10352 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10354 * fold-const.c (fold_cond_expr_with_comparison): Check for
10355 Objective-C++ as language in deciding COND_EXPR transformation.
10357 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10360 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10361 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10362 * config/sh/lib1funcs.h (SL, SL1): Define.
10363 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10364 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10365 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10366 (OBJS_Os_4_200): New variable.
10367 ($(T)libgcc-Os-4-200.a): Use it.
10368 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10369 when dividing 1 and/or by 0.
10371 2006-06-13 Roger Sayle <roger@eyesopen.com>
10373 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10374 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10375 * configure: Regenerate.
10377 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10379 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10380 for real instruction.
10382 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10384 PR middle-end/26807
10385 * haifa-sched.c (check_cfg): Handle special case.
10387 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10390 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10391 Add debug_info parameter. Chain the vars to the BLOCK instead
10392 of the BIND_EXPR if debug info are requested for them.
10393 (pop_gimplify_context): Adjust for above change.
10394 (gimple_add_tmp_var): Likewise.
10395 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10396 Add bool parameter.
10397 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10398 (convert_local_reference): Likewise.
10399 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10400 (finalize_nesting_tree_1): Request that debug info be emitted
10401 for debug_var_chain.
10403 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10405 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10406 for PR target/27863.
10408 2006-06-13 Richard Guenther <rguenther@suse.de>
10410 PR middle-end/27536
10411 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10413 2006-06-13 Richard Guenther <rguenther@suse.de>
10415 PR tree-optimization/27830
10416 * tree-inline.c (copy_body_r): For copying the operand
10417 of an ADDR_EXPR make sure to fold &* afterwards.
10419 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10421 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10422 lvalues in the fb_none case with side-effects.
10424 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10426 * tree-flow.h: Remove the prototype for
10427 compute_phi_arg_on_exit.
10428 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10429 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10432 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10434 * builtins.c (expand_builtin_return_addr): Only use
10435 frame_pointer_rtx when count == 0 and we are expanding
10436 __builtin_return_address.
10438 2006-06-12 Fred Fish <fnf@specifix.com>
10440 * config/mips/mips.c (mips_file_start): Create special section
10441 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10443 2006-06-11 Eric Christopher <echristo@apple.com>
10445 PR middle-end/27948
10446 * stor-layout.c (place_field): Remove check for
10447 remaining_in_alignment when aligning at the end of a run.
10449 2006-06-11 Eric Christopher <echristo@apple.com>
10452 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10455 2006-06-11 Roger Sayle <roger@eyesopen.com>
10458 Revert incorrect fix for PR target/27158
10459 2006-05-08 Roger Sayle <roger@eyesopen.com>
10460 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10461 of a reg_equiv_constant if the result is a legitimate constant.
10463 2006-06-11 Roger Sayle <roger@eyesopen.com>
10466 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10467 extract a CONST_VECTOR element and interpret it as an integer.
10468 (vspltis_constant): Use const_vector_elt_as_int instead of the
10469 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10470 * config/rs6000/predicates.md (easy_vector_const): Consider
10471 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10473 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10475 PR middle-end/27942
10476 * stor-layout.c (update_alignment_for_field): Don't add extra
10477 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10480 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10482 * config/mips/t-rtems: Add EL/EB multilib variants.
10484 2006-06-09 Mike Stump <mrs@apple.com>
10486 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10488 2006-06-09 David Daney <ddaney@avtrex.com>
10490 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10492 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10494 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10496 2006-06-09 Richard Guenther <rguenther@suse.de>
10498 PR tree-optimization/26998
10499 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10500 of signed types, only TYPE_MIN_VALUE is special, but for both,
10501 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10502 in this case, as is -fwrapv.
10504 2006-06-08 Mike Stump <mrs@apple.com>
10507 * config/darwin.c (darwin_asm_output_anchor): Disable
10508 -fsection-anchors on darwin for now.
10509 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10510 * rs6000/rs6000.c (optimization_options): Likewise.
10512 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10515 * config/i386/i386.c (classify_argument): Skip fields with invalid
10518 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10520 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10521 (cse_insn): Likewise for the stack_pointer_rtx.
10523 2006-06-08 Roger Sayle <roger@eyesopen.com>
10525 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10526 conditions from floating point comparisons.
10528 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10530 PR middle-end/27733
10531 * expmed.c (struct alg_hash_entry): Fix type of field T
10532 to match synth_mult argument.
10533 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10535 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10538 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10541 2006-06-08 Richard Guenther <rguenther@suse.de>
10543 PR middle-end/27116
10544 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10545 only, if overflow is defined and not trapping.
10546 (negate_expr): Likewise.
10548 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10550 PR tree-optimization/27872
10551 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10552 flag on the new exit edge of the unrolled loop.
10554 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10556 PR rtl-optimization/26449
10557 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10559 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10561 PR middle-end/27793
10562 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10563 referenced_variables with matching DECL_UID's.
10564 (find_referenced_vars): Make sure duplicate list is empty to start.
10565 (referenced_var_p): Remove.
10566 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10567 Check if var is in the list, and add if needed. Update the duplicate
10568 list if a different var is in the list with the same DECL_UID.
10569 (add_referenced_var): Call routine to check and insert.
10570 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10571 * tree-flow.h (referenced_vars_dup_list): External declaration.
10573 2006-06-07 Fred Fish <fnf@specifix.com>
10575 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10578 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10581 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10582 the imaginary and real parts of a clobbered register.
10583 Emit insn to set the imaginary part.
10585 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10587 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10588 in lieu of unwind-dw2-fde.c.
10590 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10592 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10594 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10597 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10598 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10599 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10600 V4SImode temporaries and operations instead.
10602 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10604 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10607 2006-06-06 Mike Stump <mrs@apple.com>
10609 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10610 installing during build.
10612 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10614 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10616 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10617 * config/ia64/ia64.c (params.h): New header.
10618 (ia64_optimization_options): New function to adjust parameters.
10619 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10620 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10621 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10623 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10625 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10627 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10630 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10632 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10633 Victor Kaplansky <victork@il.ibm.com>
10635 PR tree-optimization/26360
10636 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10639 2006-06-04 Roger Sayle <roger@eyesopen.com>
10640 Andrew Pinski <pinskia@physics.uc.edu>
10642 PR middle-end/27382
10643 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10644 for LABEL_DECL before calling DECL_WEAK.
10647 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10648 LABEL_DECL and PARM_DECL.
10650 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10654 * c-decl.c (grokdeclarator): Disallow variably modified types at
10655 file scope. Avoid marking shared array type of constant size as
10658 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10661 * c-common.c (fold_offsetof_1): Handle static members.
10663 2006-06-04 Eric Christopher <echristo@apple.com>
10665 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10666 (debug_rli): Output value for remaining_in_alignment.
10667 (update_alignment_for_field): Unconditionalize
10668 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10669 extra alignment code.
10670 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10671 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10672 * tree.h (record_layout_info_s): Remove prev_packed.
10673 * doc/extend.texi (ms_struct): Add documentation of format.
10675 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10677 * tree.h: Declare folding_initializer.
10678 * builtins.c (fold_builtin_constant_p): Give definite answer
10679 if folding inside an initializer.
10680 * fold-const.c: Define folding_initializer.
10681 (START_FOLD_INIT): Save and then set folding_initializer.
10682 (END_FOLD_INIT): Restore folding_initializer.
10684 2006-06-04 Richard Guenther <rguenther@suse.de>
10686 PR tree-optimization/27039
10687 * fold-const.c (fold_comparison): Handle pointer comparison
10688 again for all comparison codes. Compare offsets in signed
10690 (fold_binary): Move code from here.
10692 2006-06-03 Roger Sayle <roger@eyesopen.com>
10695 * config/i386/i386.c (construct_container): Split static issued_error
10696 flag into issued_sse_arg_error, issued_sse_ret_error and
10697 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10698 requires the use of x87 registers and the user explicitly
10699 specified the -mno-80387 command line option.
10701 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10703 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10704 HAVE_DECL_SIGALTSTACK.
10706 (segv_handler): Use MC_FLD.
10707 * configure.ac: Check for a sigaltstack declaration.
10708 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10709 * configure: Regenerate.
10710 * config.in: Regenerate.
10712 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10715 * Makefile.in (stmp-fixinc): Fix typo.
10717 2006-06-02 Roger Sayle <roger@eyesopen.com>
10719 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10720 are type correct. Clean-up.
10721 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10722 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10724 2006-06-01 DJ Delorie <dj@redhat.com>
10726 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10727 shift, as we've disabled the "switch" insn that needs it.
10729 2006-06-01 Per Bothner <bothner@bothner.com>
10731 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10732 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10733 * c-ppoutput.c (cb_define): Don't increment line 0.
10735 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10737 * doc/invoke.texi: Add cpu_type power6.
10738 * config.gcc: Add cpu_type power6.
10739 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10740 to power5+ with Altivec.
10741 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10742 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10744 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10746 * config/avr/avr.h (SET_ASM_OP): Define.
10748 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10750 * config/bfin/bfin.c: Fix comment typos.
10752 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10755 * doc/install.texi: Document --enable-bootstrap and
10756 --disable-bootstrap.
10758 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10760 * doc/install.texi: Document that InfoZIP can replace jar.
10762 2006-05-31 Roger Sayle <roger@eyesopen.com>
10764 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10765 isn't available, directly generate the simpler x87 patterns without
10766 the (use (const_int 0)).
10767 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10768 implementation isn't available.
10769 (*negdf2_1): Likewise.
10770 (*negxf2_1): XF mode negation is always done using the x87.
10771 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10773 2006-05-31 Roger Sayle <roger@eyesopen.com>
10775 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10776 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10778 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10780 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10782 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10783 * config/bfin/bfin.c (basic-block.h): Include.
10784 (struct machine_function): New.
10785 (bfin_init_machine_status): New.
10786 (override_options): Initialize init_machine_status.
10787 (bfin_hardware_loop): New.
10788 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10789 (DEF_VEC_P (loop_info)): New.
10790 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10791 (struct loop_info): New.
10792 (loop_info): New typedef.
10793 (struct loop_work): New.
10794 (loop_work): New typedef.
10795 (DEF_VEC_O (loop_work)): New.
10796 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10797 (bfin_dump_loops): New.
10798 (bfin_bb_in_loop): New.
10799 (bfin_scan_loop): New.
10800 (bfin_optimize_loop): New.
10801 (bfin_reorg_loops): New.
10802 (bfin_reorg): Use bfin_reorg_loops.
10803 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10805 (I_REGNO_P): Simplify.
10806 (DP_REGNO_P, DPREG_P): New macros.
10807 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10808 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10809 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10810 Add LT_REGS, LC_REGS, LB_REGS.
10811 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10813 (REGNO_REG_CLASS): Deal with loop registers.
10814 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10816 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10817 New constants for loop registers.
10818 (UNSPEC_LSETUP_END): New.
10819 (seq_insns): New define_attr. Set it for appropriate insns.
10820 (movsi_insn): Add alternatives for move from/to
10821 loop count registers.
10822 (doloop_end): New define_expand.
10823 (loop_end): New define_insn.
10824 (define_split for bad doloop_end): New.
10825 (lsetup_with_autoinit): New define_insn.
10826 (lsetup_without_autoinit): New define_insn.
10827 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10828 * config/bfin/predicates.md (lc_register_operand): New.
10829 (lt_register_operand): New.
10830 (lb_register_operand): New.
10831 (nondp_register_operand): New.
10832 (nondp_reg_or_memory_operand): New.
10833 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10835 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10837 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10838 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10840 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10842 * Makefile.in (CATALOGS): Add po/ prefix.
10843 * configure: Regenerated.
10845 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10848 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10849 a shift operand before calling shift_op. Avoid redundant call of
10852 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10853 DJ Delorie <dj@redhat.com>
10855 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10856 we're inserting is a singlt-bit constant.
10858 2006-05-30 Roger Sayle <roger@eyesopen.com>
10860 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10861 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10863 2006-05-30 Roger Sayle <roger@eyesopen.com>
10865 PR tree-optimization/23452
10866 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10867 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10868 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10869 complex values and with -ffast-math for FP complex values.
10871 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10873 * c-common.h: Remove the prototype for yyparse.
10874 * rtl.h: Remove the prototype for init_loop.
10876 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10878 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10881 2006-05-30 Roger Sayle <roger@eyesopen.com>
10883 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10885 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10886 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10888 2006-05-30 Dirk Mueller <dmueller@suse.de>
10891 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10892 for CONSTANT_CLASS_P expresisons.
10894 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10897 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10899 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10901 PR tree-optimization/27779
10902 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10903 initial_condition instead of CHREC_LEFT.
10905 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10907 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10908 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10909 Make prototypes ISO C90.
10911 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10912 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10914 * see.c (see_analyze_one_def): Correct check.
10915 (see_get_extension_data): Check if extension is parallel.
10916 (see_get_extension_reg): Likewise.
10918 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10921 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10922 into register for (code == GTU).
10924 2006-05-29 Roger Sayle <roger@eyesopen.com>
10926 PR tree-optimization/24964
10927 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10928 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10929 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10930 abs(x)*abs(x) as x*x for scalar floating point modes.
10932 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10934 PR middle-end/27745
10935 * lambda-code.c (perfect_nestify): Don't copy statements
10936 in the inner loop: move them to the inner loop header.
10938 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10941 * c-tree.texi: Document OpenMP directives and clauses.
10943 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10945 * varasm.c (globalize_decl): Fix indentation.
10947 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10950 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10951 pass_fre, pass_store_ccp, pass_copy_prop,
10952 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10953 pass_return_slot, pass_object_size, pass_lim,
10954 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10955 pass_loop_prefetch and pass_stdarg.
10957 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10959 * config/bfin/bfin.opt (mfdpic): New option.
10960 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10961 (EXTRA_MULTILIB_PARTS): Likewise.
10962 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10963 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10965 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10966 (CRT_CALL_STATIC_FUNCTION): New.
10967 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10969 (CRT_CALL_STATIC_FUNCTION): New.
10970 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10972 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10973 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10974 (initialize_trampoline): Changed to handle FD-PIC code generation.
10975 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10976 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10977 (override_options): Disallow -mid-shared-library -mfdpic combination.
10978 Can't do unaligned ops if FD-PIC.
10979 Turn off flag_pic if trying to generate non-id-shared-library
10980 non-fdpic code, since it's not supported.
10981 (bfin_assemble_integer): New function.
10982 (TARGET_ASM_INTEGER): Define.
10983 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10985 * config/bfin/crtn.s: Restore them.
10986 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10988 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10989 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10990 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10991 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10992 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10994 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10995 FDPIC_REGS and FDPIC_FPTR_REGS.
10996 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10997 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10998 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10999 (load_funcdescsi): New pattern.
11000 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11001 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11002 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11004 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11006 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11009 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11011 * tree-flow.h: Remove the prototype for add_type_alias.
11012 * tree-ssa-alias.c (add_type_alias): Remove.
11014 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11016 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11017 config/fr30/fr30.md, config/i386/i386-interix.h,
11018 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11019 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11020 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11021 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11022 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11023 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11024 Follow spelling conventions.
11025 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11026 Follow spelling conventions.
11028 2006-05-27 Richard Guenther <rguenther@suse.de>
11030 PR middle-end/27773
11031 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11032 to produce a constant of value 1 of generic type.
11034 2006-05-27 Dirk Mueller <dmueller@suse.de>
11036 * cgraphunit.c (decide_is_function_needed): Fix wrong
11039 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11041 PR rtl-optimization/27661
11042 * reload.c (find_reloads): When reloading a VOIDmode constant
11043 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11044 use Pmode as mode of the reload register.
11046 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11048 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11049 is enabled at -O and above.
11051 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11054 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11057 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11060 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11061 for anonymous variables explicitly declared by front ends.
11063 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11065 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11066 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11067 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11068 ref-all pointers, run a finalization pass for them.
11069 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11070 (finalize_ref_all_pointers): New function.
11071 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11072 regular pointer type to a ref-all pointer type.
11073 (get_tmt_for): Return the special memory tag for ref-all pointers.
11075 2006-05-25 Richard Guenther <rguenther@suse.de>
11077 PR middle-end/27743
11078 * fold-const.c (fold_binary): Do not look at the stripped
11079 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11081 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11083 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11084 for LT and GT if the computed range is effectively empty.
11086 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11089 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11090 mips_quad_format formats instead of ieee_single_format,
11091 ieee_double_format and ieee_quad_format formats, respectively.
11093 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11095 PR tree-optimization/27639
11096 PR tree-optimization/26719
11097 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11098 call to scev_probably_wraps_p.
11099 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11100 used_in_pointer_arithmetic_p, convert_step): Removed.
11101 (nowrap_type_p): New function.
11102 (scev_probably_wraps_p): Rewritten.
11103 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11104 chrec_convert if chrec_convert_aggressive might have been used.
11105 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11106 scev_direction): New functions.
11107 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11108 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11109 instead of convert_step.
11110 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11111 (convert_step): Declaration removed.
11112 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11114 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11116 * df-core.c: Added to header comments.
11117 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11118 df_ur_bb_info, df_urec_bb_info): Added comments.
11119 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11120 urec, ri problems): Fixed header comments.
11121 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11122 code from df_rd_transfer_function.
11124 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11126 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11127 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11128 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11130 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11132 * expr.c (undefined_operand_subword_p): New.
11133 (emit_move_multi_word): Do not generate move from undefined bits
11134 of a paradoxical subreg.
11136 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11138 PR rtl-optimization/27736
11139 * combine.c (replaced_rhs_value): New variable.
11140 (combine_instructions): Set it.
11141 (distribute_notes): When distributing a note in replaced_rhs_insn,
11142 check whether the value was used in replaced_rhs_value.
11144 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11147 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11148 add_referenced_var instead of add_referenced_tmp_var.
11149 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11150 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11151 add_referenced_var.
11152 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11153 tree_optimize_tail_calls_1): Use add_referenced_var.
11154 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11155 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11156 Use add_referenced_var.
11157 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11158 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11159 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11160 Use add_referenced_var.
11161 * tree-dfa.c (struct walk_state): Remove.
11162 (find_referenced_vars): Remove walk state and vars_found hash table.
11163 (make_rename_temp): Use add_referenced_var.
11164 (find_vars_r): Pass less parameters to add_referenced_var.
11165 (referenced_var_p): New. Is var in referenced_var hash table.
11166 (referenced_var_insert): Assert var isn't already in hash table.
11167 (add_referenced_var): Don't need walk_state parameter. Add var if it
11168 isn't already in the hash table.
11169 (add_referenced_tmp_var): Remove.
11170 (find_new_referenced_vars_1): Use add_referenced_var.
11171 * tree-ssa-pre.c (create_expression_by_pieces,
11172 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11173 Use add_referenced_var.
11174 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11175 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11176 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11177 add_referenced_var.
11178 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11179 vect_create_data_ref_ptr, vect_create_destination_var,
11180 vect_init_vector, vect_build_loop_niters,
11181 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11182 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11183 Use add_referenced_var.
11184 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11185 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11186 (add_referenced_var): Add prototype.
11187 * tree-ssa-structalias.c (get_constraint_for,
11188 intra_create_variable_infos): Use add_referenced_var.
11190 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11192 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11193 big-endian paradoxical subregs.
11194 * var-tracking.c (struct micro_operation_def): Document that,
11195 for modify micro operations, insn is the subsequent instruction.
11196 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11197 (var_reg_set, var_mem_set): ... new functions.
11198 (add_stores): Record subsequent insn.
11199 (compute_bb_dataflow): Use new functions for MO_USE.
11200 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11201 notes after the insn, and modify notes before the insn known
11202 to be the subsequent one.
11203 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11205 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11208 * config/i386/i386.c (ix86_expand_builtin): Use
11209 gen_sse3_monitor64 for TARGET_64BIT.
11211 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11213 PR rtl-optimization/26375
11214 PR rtl-optimization/26855
11215 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11217 (df_ru_bb_local_compute): Reversed statements and removed bogus
11218 comment explaining why they should be in wrong order.
11219 (df_ru_dump, df_rd_dump): Enhanced debug info.
11220 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11222 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11223 reaching uses and fixed space problem.
11225 2006-05-23 Jan Hubicka <jh@suse.cz>
11227 * cgraphunit.c (decide_is_function_needed): Also nested functions
11228 and functions declared inline can be optimized out at -O0.
11230 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11232 * doc/install.texi (Configuration): Remove reference to CrossGCC
11233 FAQ which was gone.
11236 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11239 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11240 ix86_compare_emitted is non-NULL.
11242 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11245 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11248 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11250 PR rtl-optimization/25514
11251 * combine.c (replaced_rhs_insn): New variable.
11252 (combine_instructions): Set replaced_rhs_insn when trying to replace
11253 a SET_SRC with a REG_EQUAL note.
11254 (distribute_notes): Use replaced_rhs_insn when determining the live
11255 range of a REG_DEAD register.
11257 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11258 Anatoly Sokolov <aesok@post.ru>
11260 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11261 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11262 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11263 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11264 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11265 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11266 at90usb647, at90usb1286 and at90usb1287 devices.
11267 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11268 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11270 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11272 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11274 2006-05-22 Richard Guenther <rguenther@suse.de>
11277 2006-01-31 Richard Guenther <rguenther@suse.de>
11278 Paolo Bonzini <bonzini@gnu.org>
11280 * doc/install.texi (--disable-libgcc-math): Document.
11282 2006-05-22 Richard Guenther <rguenther@suse.de>
11285 2006-01-31 Richard Guenther <rguenther@suse.de>
11287 * doc/invoke.texi (-msselibm): Document.
11288 * target.h (expand_library_builtin): New target hook.
11289 * builtins.c (expand_builtin): Use expand_library_builtin.
11290 (default_expand_library_builtin): New function.
11291 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11292 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11293 (link_gcc_math_spec): Declare.
11294 (static_specs): Add link_gcc_math_spec.
11295 * expr.h (default_expand_library_builtin): Declare.
11296 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11297 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11298 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11299 * config/i386/i386.opt (msselibm): New target option.
11300 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11301 (ix86_init_sse_abi_builtins): New function.
11302 (ix86_expand_library_builtin): Likewise.
11303 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11304 (override_options): Handle error conditions wrt -msselibm.
11305 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11306 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11307 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11310 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11313 * c-common.c (self_promoting_args_p): Skip erroneous args.
11316 * c-decl.c (finish_struct): Skip erroneous fields.
11318 2006-05-22 Nick Clifton <nickc@redhat.com>
11320 * config/cris/cris.opt (march): Remove VarExists attribute.
11321 (max-stackframe=): Likewise.
11323 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11325 * doc/rtl.texi: Fix a typo.
11326 * see.c: Fix comment typos.
11328 * tree-ssa-structalias.h (alias_info): Remove num_references.
11330 2006-05-21 Mike Stump <mrs@apple.com>
11332 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11334 (darwin_pragma_options): Use BAD instead.
11335 (darwin_pragma_unused): Likewise.
11336 (darwin_pragma_ms_struct): Likewise.
11338 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11340 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11342 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11344 PR rtl-optimization/27671
11345 * simplify-rtx.c (simplify_relational_operation_1): Fix
11346 simplifications of (eq/ne (xor x y) y) and
11347 (eq/ne (xor x y) x).
11349 PR tree-optimization/26622.
11350 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11353 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11355 * tree-cfg.c: Prune whitespace.
11356 (debug_tree_cfg): Point to correct header containing the
11359 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11361 PR middle-end/25776
11362 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11364 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11366 PR middle-end/25776
11367 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11368 or sorry count is non zero.
11370 2006-05-20 Andreas Schwab <schwab@suse.de>
11372 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11374 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11375 Kenneth Zadeck <zadeck@naturalbridge.com>
11377 PR rtl-optimization/26855
11379 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11381 (df_scan_alloc): Added code to properly handle multiword hard
11382 registers and add all_blocks parameter.
11383 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11384 code to properly handle multiword hard registers.
11385 (df_rescan_blocks): Added code to remove deleted blocks from
11387 (df_ref_create_structure, df_ref_record): Added code to properly
11389 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11390 and set DF_REF_PARTIAL.
11391 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11392 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11393 (df_scan_add_problem): Added flags parameter.
11394 (df_ref_create_structure): Changed switching structure.
11395 (df_bb_refs_record): Fixed case where duplicate artificial refs
11396 were created. Changed location of flags.
11397 (df_record_entry_block_defs): Added code to make stack pointer
11398 live in entry block. Refined cases where frame pointer is needed.
11399 Changed location of flags.
11400 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11401 (df_set_state): Removed function.
11402 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11403 df_insn_create_insn_record, df_insn_refs_delete,
11404 df_ref_create_structure): Formatting changes.
11405 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11406 df_delete_basic_block): New function.
11407 (df_init): Changed location of flags.
11408 (df_add_problem): Added flags parameter and the way flags are
11410 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11411 debug_df_chain): Improved debugging output.
11412 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11413 (df_refs_chain_dump): Removed df parameter.
11414 (df_iterative_dataflow): Added consistency check.
11415 (df_prune_to_subcfg): Made public.
11416 (df_analyze_problem): Added blocks_to_init parameter and made
11418 (df_ref_record, df_bb_refs_record, df_mark_reg,
11419 df_record_exit_block_uses): Whitespace changes.
11420 (df_dump): Whitespace changes.
11421 * df.h: Some reordering to remove forward references.
11422 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11423 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11424 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11425 (dataflow.flags): New field.
11426 (df.flag): Deleted field.
11427 (df_alloc_function): Added additional bitmap parameter.
11428 (df_dependent_problem_function): New type.
11429 (df_problem.changeable_flags): New field.
11430 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11431 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11432 (df_mw_hardreg): New struct.
11433 (DF_INSN_UID_MWS): New macro.
11434 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11436 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11437 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11438 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11439 (df_set_state): Removed function.
11440 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11441 * df-problems.c (df_chain_dump): Removed df parameter.
11442 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11443 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11445 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11446 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11447 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11448 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11449 DF_REF_MUST_CLOBBER cases.
11450 (df_ru_bb_local_compute_process_def,
11451 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11452 df_lr_bb_local_compute, df_ur_bb_local_compute,
11453 df_chain_create_bb): Made subreg aware.
11454 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11455 df_lr_bb_local_compute, df_lr_bb_local_compute,
11456 df_chain_create_bb): Cleanup to use proper macros.
11457 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11458 code to fixup bitvectors.
11459 (df_ri_alloc): Cleared lifetime.
11460 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11461 df_create_unused_note): New function.
11462 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11463 REG_DEAD and REG_UNUSED notes as well as register information.
11464 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11465 df_chains_dump): Fixed crash if problem was never run.
11466 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11467 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11468 df_ri_add_problem): Processes flags in uniform manner.
11469 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11470 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11471 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11472 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11473 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11474 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11475 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11476 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11477 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11478 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11479 * see.c (see_initialize_data): Ditto.
11480 * final.c (rest_of_clean_state) Added regstack_completed.
11481 * rtl.h (regstack_completed): Ditto.
11482 * reg-stack.c (regstack_completed): Ditto.
11484 2006-05-19 Mike Stump <mrs@apple.com>
11486 * c-tree.h (default_conversion): Remove.
11487 * c-common.h (default_conversion): Add.
11489 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11491 * tree-vrp.c (valid_value_p): New function.
11492 (adjust_range_with_scev): Fail if the value of bound is not
11495 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11497 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11498 (mips_fallback_frame_state): Use syscall numbers to determine
11499 the appropriate li instruction for the current ABI. Only use
11500 __NR_sigreturn for o32.
11502 2006-05-19 Nicolas Setton <setton@adacore.com>
11504 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11505 * langhooks.c (lhd_dwarf_name): New function.
11506 * langhooks-def.h (lhd_dwarf_name): Declare.
11507 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11508 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11510 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11512 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11514 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11515 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11516 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11517 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11518 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11519 determine the size of Wtype, etc.
11520 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11521 (swfloatfuncs): New variable.
11522 (dwfloatfuncs): Likewise.
11523 (lib2funcs): Remove floating-point conversion functions from
11524 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11525 the set of conversion routines needed. Allow entries to specify
11526 an object name, filename and word size. Update users accordingly.
11527 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11528 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11532 2006-02-08 Roger Sayle <roger@eyesopen.com>
11535 * config/fixtfdi.c: New libgcc source file.
11536 * config/fixunstfdi.c: New source file.
11537 * config/floatditf.c: New source file.
11538 * config/floatunditf.c: New souce file.
11539 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11540 files above instead of config/mips/_tilib.c.
11541 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11543 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11545 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11546 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11548 2006-05-18 Mike Stump <mrs@apple.com>
11550 Fix up vla, vm and [*] sematics.
11556 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11557 (c_vla_unspec_p): Add.
11558 (c_vla_type_p): Add.
11559 * c-decl.c (struct c_scope): Add had_vla_unspec.
11560 (build_array_declarator): Add support for [*].
11561 (grokdeclarator): Likewise.
11562 (grokparms): Likewise.
11563 (get_parm_info): Likewise.
11564 * c-objc-common.c (c_vla_unspec_p): Likewise.
11565 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11566 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11567 typeof when argument is a variably modified type not inside sizeof or alignof.
11568 (c_parser_direct_declarator_inner): Propagate errors.
11569 (c_parser_sizeof_expression): Add support for [*].
11570 (c_parser_parms_declarator): Initialize had_vla_unspec.
11571 (c_parser_parms_list_declarator): Likewise.
11572 * c-typeck.c (c_vla_type_p): Add.
11573 (composite_type): Add support for vla compositing.
11574 (comptypes_internal): Add support for vla compatibility.
11575 (c_expr_sizeof_expr): Evaluate vla arguments.
11576 * tree.c (variably_modified_type_p): Update comment for [*].
11578 2006-05-18 Michael Matz <matz@suse.de>
11581 * config.host: Make assignments to host_xmake_file cumulative.
11582 * config.host (*-darwin*): Test $host, not $target.
11584 2006-05-12 Stuart Hastings <stuart@apple.com>
11586 * config/i386/i386.opt (-mstackrealign): New flag.
11587 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11588 (ix86_handle_cconv_attribute): Emit error when
11589 force_align_arg_pointer attribute collides with too many regparms.
11590 (ix86_function_regparm): Limit regparms when used with
11591 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11592 Support stack-realigning prologue in non-main functions. Emit
11593 warning for nested functions under -mstackrealign, emit error for
11594 nested functions with force_align_arg_pointer attribute.
11595 * doc/extend.texi (force_align_arg_pointer): Document it.
11596 * doc/invoke.texi (-mstackrealign): Document it.
11598 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11600 PR rtl-optimization/27477
11601 * combine.c (try_combine): Don't split a parallel consisting
11602 of two sets into two individual sets if both sets reference
11605 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11607 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11608 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11610 * doc/options.texi (VarExists): Updated.
11612 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11614 * unwind-dw2.c: Add declarations for uw_update_context and
11615 uw_frame_state_for.
11616 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11617 detected, advance frame state and context once to skip over stub.
11619 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11621 PR middle-end/20256
11622 PR middle-end/26435
11623 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11624 Call rewrite_into_loop_closed_ssa only when something changed.
11625 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11626 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11627 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11628 Test for perfect_nest_p here. Fix formating.
11629 (replace_uses_equiv_to_x_with_y): Fix formating.
11630 (stmt_uses_op): Removed.
11631 (can_convert_to_perfect_nest): Removed loopivs parameter.
11632 Complete the test by checking the scalar dependences.
11633 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11636 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11639 From Dan Kegel <dank@kegel.com>:
11640 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11642 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11644 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11645 if the element type is variably modified without recursing.
11647 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11649 PR middle-end/27332
11650 * tree-loop-linear.c (try_interchange_loops): Test for
11651 no data dependences.
11653 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11655 PR tree-optimization/27548
11656 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11657 range of ssa names that appear on abnormal edges.
11658 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11659 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11661 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11663 PR middle-end/27620
11664 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11666 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11668 PR middle-end/27415
11669 * tree.h (OMP_PARALLEL_COMBINED): Define.
11670 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11671 (new_omp_context): Add is_combined_parallel argument.
11672 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11673 new_omp_context caller.
11674 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11675 Adjust gimplify_scan_omp_clauses callers.
11676 (omp_is_private): Issue errors if iteration variable is firstprivate
11677 or reduction in the current context.
11678 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11679 on combined parallel workshare constructs.
11681 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11683 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11684 (gcc-options.o): New rule.
11686 * optc-gen.awk: Protect variables for gcc-options.o with
11687 #ifdef GCC_DRIVER/#endif.
11689 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11691 Fix PR tree-optimization/27373
11692 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11693 (forward_propagate_addr_expr): Update call.
11695 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11697 * doc/options.texi: Move the Negative option.
11699 2006-05-16 Richard Guenther <rguenther@suse.de>
11701 PR tree-optimization/22303
11702 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11704 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11705 ccp_fold did not simplify the statement.
11707 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11710 * Makefile.in (GCC_OBJS): New.
11711 (OBJS-common): Add opts-common.o.
11712 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11713 (cpp$(exeext)): Likewise.
11714 (gcc.o): Also depend on opts.h.
11715 (opts-common.o): New.
11717 * common.opt (gcoff): Add Negative(gdwarf-2).
11718 (gdwarf-2): Add Negative(gstabs).
11719 (gstabs): Add Negative(gstabs+).
11720 (gstabs+): Add Negative(gvms).
11721 (gvms): Add Negative(gxcoff).
11722 (gxcoff): Add Negative(gxcoff+).
11723 (gxcoff+): Add Negative(gcoff).
11724 * config/i386/i386.opt (m32): Add Negative(m64).
11725 (m64): Add Negative(m32).
11727 * doc/options.texi: Document the Negative option.
11729 * gcc.c: Include "opts.h".
11730 (main): Call prune_options after expandargv.
11732 * optc-gen.awk: Generate common declarations for all flag
11733 variables in options.c. Output the neg_index field.
11735 * opts.c (find_opt): Moved to ...
11736 * opts-common.c: Here. New file.
11738 * opts.h (cl_option): Add a neg_index field.
11740 (prune_options): Likewise.
11742 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11744 PR middle-end/27573
11745 * omp-low.c (expand_omp_parallel): Don't assert
11746 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11747 instead search for it.
11750 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11753 2006-05-16 Andreas Schwab <schwab@suse.de>
11755 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11758 2006-05-15 Roger Sayle <roger@eyesopen.com>
11761 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11762 integer constants other than zero are only legitimate on TARGET_64BIT.
11763 <CONST_VECTOR> Only zero vectors are legitimate.
11764 (ix86_cannot_force_const_mem): Integral and vector constants can
11765 always be put in the constant pool.
11767 2006-05-16 DJ Delorie <dj@redhat.com>
11769 * crtstuff.c (__dso_handle): Set section from
11770 TARGET_LBIGCC_SDATA_SECTION if defined.
11771 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11772 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11774 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11777 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11780 2006-05-16 Ben Elliston <bje@au.ibm.com>
11782 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11784 2006-05-15 Per Bothner <per@bothner.com>
11786 * tree.c: (last_annotated_node): Use source_locus typedef.
11787 This permits bootstrapping with --enable-mapped-location.
11789 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11791 PR tree-optimization/26830
11792 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11793 (info_for_ssa_name, current_info_for_ssa_name_age,
11794 blocks_to_update): New variables.
11795 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11796 (clear_ssa_name_info, initialize_flags_in_bb,
11797 mark_block_for_update): New functions.
11798 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11799 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11800 prepare_def_site_for): Use mark_block_for_update.
11801 (mark_def_interesting): Assert that the processed block is marked in
11802 blocks_to_update. Do not take blocks argument.
11803 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11805 (rewrite_update_init_block, rewrite_update_stmt): Only process
11806 blocks with statements to rewrite.
11807 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11808 (update_ssa): Initialize and free blocks_to_update. Do not
11809 clear flags on statements. Do not use blocks bitmap.
11810 * tree.h (SSA_NAME_AUX): Removed.
11811 (struct tree_ssa_name): Removed aux field.
11812 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11814 2006-05-15 Richard Guenther <rguenther@suse.de>
11816 PR tree-optimization/27603
11817 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11818 Do computations in original type.
11820 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11822 * see.c: Code style changes such as redundant paranthesis,
11823 redundant intialization of local variables etc.
11824 (see_main): Declared now as static.
11825 * doc/invoke.texi: Update that -fsee is not enabled by
11828 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11830 * omp-low.c (check_omp_nesting_restrictions): New function.
11831 (scan_omp_1): Call it.
11833 PR middle-end/27416
11834 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11835 construct, return *VAR.
11837 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11839 PR rtl-optimization/27406
11840 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11843 2006-05-14 Roger Sayle <roger@eyesopen.com>
11845 PR rtl-optimization/27538
11846 * combine.c (expand_compound_operation): Call gen_lowpart
11847 before calling simplify_shift_const.
11849 2006-05-14 Roger Sayle <roger@eyesopen.com>
11851 PR rtl-optimization/22563
11852 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11853 a fixed width bitfield, always force the intermediates into psuedos.
11855 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11858 * mkconfig.sh: Use operator = instead of == for test.
11860 2006-05-13 Nick Clifton <nickc@redhat.com>
11862 * dwarf2out.c (dbx_reg_number): Check return value from
11863 LEAF_REG_REMAP and only use it if it is valid.
11864 (multiple_reg_loc_descriptor): Likewise.
11866 2006-05-13 Richard Guenther <rguenther@suse.de>
11868 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11871 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11873 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11874 information attached to non-INSNs such as NOTEs.
11875 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11877 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11879 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11881 * config/s390/s390.md: Adjust comment describing On constraint.
11883 2006-05-11 Jan Hubicka <jh@suse.cz>
11885 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11886 to be output at -O0.
11888 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11890 PR middle-end/27384
11891 * fold-const.c (size_binop): Move sanity check for arguments to
11892 the beginning of the function.
11894 PR middle-end/27488
11895 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11898 2006-05-11 Richard Guenther <rguenther@suse.de>
11900 PR middle-end/27529
11901 * fold-const.c (fold_unary): Handle intermediate conversion
11902 to a pointer type like intermediate conversion to an integer
11903 type in folding of (T1)(T2)var to var.
11904 Match the code to the comment in the final conversion for
11905 (T1)(T2)var to (T1)var regarding to type precision. Rather
11906 than disallow T1 being of pointer type, assert that both T1
11907 and var are of pointer type or not. Make sure not to fall
11908 over the frontends lazyness wrt array to pointer decay though.
11910 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11912 * arm.c (arm_struct_value_rtx): Delete.
11913 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11914 (arm_init_cumulative_args): Always initialize nregs to zero.
11916 2006-05-10 Richard Guenther <rguenther@suse.de>
11918 PR tree-optimization/27532
11919 * tree-object-size.c (plus_expr_object_size): Fix typo.
11921 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11924 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11925 ashrdi_const, ashrdi3): Use a scratch register.
11927 2006-05-10 Richard Guenther <rguenther@suse.de>
11929 PR tree-optimization/27302
11930 * fold-const.c (operand_equal_p): For two comparisons,
11931 try comparison of one comparison code swapped if that yields
11934 2006-05-10 Ben Elliston <bje@au.ibm.com>
11936 * tree-pretty-print.c (pretty_print_string): No need to handle
11937 '\0' as a special character.
11939 * tree.h: Include "hashtab.h".
11940 (iterative_hash_expr): Use hashval_t in its prototype.
11941 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11943 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11946 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11947 (hppa*64*-*-hpux11*): Ditto.
11948 (hppa[12]*-*-hpux11*): Ditto.
11950 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11953 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11955 2006-05-09 Michael Matz <matz@suse.de>
11957 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11958 host_extra_gcc_objs and host_xmake_file.
11959 (<*-*-linux*>): Don't overwrite host_xmake_file.
11960 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11961 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11962 (host_detect_local_cpu): Declare.
11963 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11964 * config/i386/i386.c (override_options): Handle -mtune=native
11966 * config/i386/x-i386: New file.
11967 * config/i386/driver-i386.c: New file.
11968 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11971 2006-05-09 Dirk Mueller <dmueller@suse.de>
11972 Richard Guenther <rguenther@suse.de>
11974 PR middle-end/27498
11975 * fold-const.c (fold_read_from_constant_string): Relax check
11976 for matching types to matching modes.
11978 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11980 PR rtl-optimization/27335
11981 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11984 2006-05-08 Chao-ying Fu <fu@mips.com>
11985 Richard Sandiford <richard@codesourcery.com>
11987 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11988 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11989 * config/mips/mips.md (UNSPEC_SCC): New constant.
11990 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11991 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11992 (mips_emit_compare): Use it.
11993 (mips_expand_vcondv2sf): New function.
11995 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11997 Fix PR tree-optimization/27093
11998 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11999 renaming when they become not-used_alone.
12001 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12003 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12004 relocation and relocation stubs.
12006 2006-05-08 Eric Christopher <echristo@apple.com>
12008 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12011 2006-05-08 Jan Hubicka <jh@suse.cz>
12013 PR middle-end/24561
12014 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12015 unused static functions are needed.
12017 2006-05-08 Roger Sayle <roger@eyesopen.com>
12020 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12021 of a reg_equiv_constant if the result is a legitimate constant.
12023 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12026 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12027 standard 80387 constants, raise the cost to prevent
12028 compress_float_constant() to generate load from memory.
12030 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12032 * config/arm/constraints.md (c): Fix a typo.
12034 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12037 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12040 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12042 (_mm_mwait): Likewise.
12044 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12046 (sse3_monitor): Make it 32bit only.
12047 (sse3_monitor64): New. 64bit monitor.
12049 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12052 * config/i386/i386.c (classify_argument): Skip fields with invalid
12055 2006-05-07 Richard Guenther <rguenther@suse.de>
12057 PR tree-optimization/27409
12058 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12059 Do not try to find zero-sized subvars.
12061 2006-05-07 Richard Guenther <rguenther@suse.de>
12063 PR tree-optimization/27136
12064 * tree-ssa-loop-niter.c (get_val_for): Correct function
12065 comment, assert requirements.
12066 (loop_niter_by_eval): Stop processing if the iterated
12067 value did not simplify.
12069 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12071 * opts.c (flag_see): remove its setting at -O3.
12073 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12075 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12076 * arm/constraints.md: New file.
12077 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12078 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12079 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12080 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12081 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12082 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12083 * arm.md: Include constraints.md.
12084 (thumb_movsi_insn): Use satisfies_constraint_J.
12085 (movhi, movqi): Use satisfies_constraint_I.
12087 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12089 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12090 for atmeg a645 device.
12092 2006-05-06 Richard Guenther <rguenther@suse.de>
12094 PR tree-optimization/27151
12095 * tree-vect-transform.c (vectorizable_condition): Punt on
12096 values that have a different type than the condition.
12098 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12101 * c-parser.c (c_parser_cast_expression): Only insert casts into
12102 hash table if pointer.
12103 * function.c (used_types_insert_helper): Rename from
12105 (used_types_insert): Call used_types_insert_helper.
12106 * function.h (used_types_insert): Accept only one argument.
12108 2006-05-05 David Edelsohn <edesohn@gnu.org>
12110 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12111 scratch with output modifier.
12113 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12116 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12117 with output modifier.
12119 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12122 * config/mips/mips.c (mips_symbolic_address_p): Return true
12123 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12124 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12126 2006-05-04 Richard Guenther <rguenther@suse.de>
12128 PR tree-optimization/14287
12129 PR tree-optimization/14844
12130 PR tree-optimization/19792
12131 PR tree-optimization/21608
12132 PR tree-optimization/27090
12133 * tree-ssa-pre.c (try_combine_conversion): New function.
12134 (compute_avail): After constructing the value-handle
12135 expression, use try_combine_conversion to combine NOP_EXPRs
12136 with previous value-handle expressions and use the result if it
12139 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12141 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12143 2006-05-04 Jan Hubicka <jh@suse.cz>
12145 PR middle-end/25962
12146 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12148 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12150 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12151 that this only matches CONST_INTs. All users changed to VOIDmode
12154 * config/bfin/bfin.c: Include "optabs.h".
12155 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12157 (enum bfin_builtins): Add a number of fractional and vector builtins.
12158 (bfin_init_builtins): Likewise.
12159 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12160 (safe_vector_operand, bfin_expand_binop_builtin,
12161 bfin_expand_unop_builtin): New functions.
12162 (bfin_expand_builtin): Handle the new builtins.
12163 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12166 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12169 * Makefile.in (OBJS-common): Add see.o.
12170 (see.o): Add dependencies.
12171 * common.opt (fsee): New flag for the see optimization was added.
12172 * opts.c (flag_see): Initialized.
12173 * passes.c (init_optimization_passes, pass_see): New pass.
12174 * rtl.h (see_main): Declaration as extern.
12175 * timevar.def (TV_SEE): New.
12176 * tree-pass.h (pass_see): Declaration as extern.
12177 * invoke.texi (-fsee): Document.
12178 * recog.c (validate_simplify_insn): New function.
12179 * recog.h (validate_simplify_insn): Declaration as extern.
12180 * df-problems.c (df_chain_dump): Check for NULL.
12182 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12183 Daniel Berlin <dberlin@dberlin.org>
12185 * cfgrtl.c (insert_insn_bb_end_new): New function.
12186 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12188 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12190 * df.h (struct web_entry): Moved from web.c.
12191 (union_defs): Declaration as extern.
12192 (unionfind_root): Likewise.
12193 (unionfind_union): Likewise.
12194 * web.c (struct web_entry): Moved to df.h.
12195 (unionfind_root): Remove static declaration.
12196 (unionfind_union): Likewise.
12197 (union_defs): Likewise and generalize to use callback function.
12198 (web_main): Update arguments for union_defs function call.
12200 2006-05-04 Richard Guenther <rguenther@suse.de>
12202 PR tree-optimization/26447
12203 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12204 produce SSA_NAME copies before the store stmt to avoid
12205 breaking exception handling.
12207 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12209 PR middle-end/27388
12210 * gimplify.c (omp_is_private): If var is shared in some outer context,
12211 return false instead of true. Stop searching on parallel context
12214 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12217 * coverage.c: Use get_gcov_unsigned_t() instead of
12218 unsigned_type_node all over.
12220 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12222 PR tree-optimization/27381
12223 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12224 maintain the same immediate_use links.
12225 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12226 node rather than segfaulting.
12228 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12231 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12232 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12233 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12235 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12237 Fix PR tree-optimization/26626
12238 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12240 * tree-ssa-operands.c (access_can_touch_variable): Allow
12241 typecasting through union pointers.
12243 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12246 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12247 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12248 to find if var will be a global variable even in the nested context.
12249 (omp_copy_decl): Only check for global variable at the end, it might
12250 be overridden in outer contexts.
12251 (scan_sharing_clauses): For global variables don't create a field.
12252 (lower_rec_input_clauses): Do nothing for global shared variables.
12253 Emit a barrier at the end of ILIST if there were any decls in both
12254 firstprivate and lastprivate clauses.
12255 (lower_send_clauses): Do nothing for global variables except for
12258 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12260 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12261 of the correct signedness is returned.
12263 2006-05-02 Jeff Law <law@redhat.com>
12265 PR tree-optimization/27364
12266 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12267 multiply expressions.
12269 2006-05-02 Tom Tromey <tromey@redhat.com>
12271 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12273 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12276 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12277 -mthumb -fPIC are used.
12279 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12280 Joshua Kinard <kumba@gentoo.org>
12283 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12284 with 64-bit pointers.
12286 2006-05-02 Paul Brook <paul@codesourcery.com>
12288 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12290 (create_fix_barrier): Check that a suitable barrier location is
12292 (arm_reorg): Include ftmp->address in allowable range of addresses.
12294 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12297 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12300 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12302 PR middle-end/27337
12303 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12304 around RESULT_DECL for result passed by reference.
12305 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12306 * omp-low.c (use_pointer_for_field): Don't look at
12307 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12308 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12309 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12310 time or var for passing by reference for
12311 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12312 TREE_ADDRESSABLE variables when passing by reference.
12314 * omp-low.c (dump_omp_region): Fix output formatting.
12316 PR middle-end/27328
12317 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12318 (expand_omp_parallel): Likewise.
12319 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12321 PR middle-end/27325
12322 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12323 on statement list containing also constructors and destructors.
12324 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12326 PR middle-end/27310
12327 * except.c (duplicate_eh_regions): Fix clearing of
12328 cfun->eh->region_array entries.
12330 2006-05-01 DJ Delorie <dj@redhat.com>
12332 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12334 (gcc_cv_objdump): Likewise.
12335 * configure: Regenerated.
12337 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12340 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12341 templates for case 3 and 4.
12343 2006-05-01 DJ Delorie <dj@redhat.com>
12345 * vec.c: Include bconfig.h when appropriate.
12346 * Makefile.in (build/vec.o): Adjust dependencies.
12347 * mkconfig.sh: Make sure config.h isn't used for build machine
12350 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12352 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12354 (mark_phi_for_rewrite): New function.
12355 (insert_phi_nodes_for, mark_use_interesting): Call
12356 mark_phi_for_rewrite.
12357 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12358 (update_ssa): Initialize and free phis_to_rewrite.
12360 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12362 PR rtl-optimization/27291
12363 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12364 folded to a constant.
12366 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12368 PR tree-optimization/27283
12369 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12370 not whole # of iteration descriptions.
12371 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12372 uses abnormal ssa name.
12373 (niter_for_single_dom_exit): Ditto.
12374 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12375 return just the number of iterations.
12377 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12379 PR tree-optimization/27144
12380 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12381 (record_estimate): Only record constant upper bound.
12382 (infer_loop_bounds_from_undefined): Call
12383 compute_estimated_nb_iterations just once.
12384 (proved_non_wrapping_p): Renamed to ...
12385 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12386 (convert_step_widening, scev_probably_wraps_p): Call
12387 n_of_executions_at_most instead of proved_non_wrapping_p.
12388 (substitute_in_loop_info): Do not replace values in bounds.
12389 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12392 2006-05-01 Richard Henderson <rth@redhat.com>
12395 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12396 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12399 2006-05-01 Roger Sayle <roger@eyesopen.com>
12401 * c-typeck.c (parser_build_binary_op): Don't call the function
12402 unsigned_conversion_warning to spot operand/result type overflow.
12403 (build_binary_op): Instead, call convert_and_check instead of
12404 convert to report the problem when the operands are promoted.
12405 * c-common.c (unsigned_conversion_warning): Make static.
12406 * c-common.h (unsigned_conversion_warning): Delete prototype.
12408 2006-05-01 Richard Guenther <rguenther@suse.de>
12410 PR tree-optimization/26726
12411 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12413 (find_interesting_uses_address): ... we work around here
12414 by folding INDIRECT_REFs in the substituted base.
12416 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12418 * omp-low.c (dump_omp_region): Add newlines.
12420 2006-04-30 Roger Sayle <roger@eyesopen.com>
12422 * common.opt (Woverflow): New command line option.
12423 * c-common.c (constant_expression_warning): Check warn_overflow.
12424 (overflow_waring): Pass OPT_Woverflow to warning.
12425 (unsigned_conversion_warning): Likewise.
12426 (convert_and_check): Likewise.
12427 * doc/invoke.texi: Document new command line option.
12429 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12431 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12432 TARGET_NO_FP_IN_TOC for section anchors.
12433 (optimization_options): Enable section anchors for all
12434 non-"Objective" languages.
12436 2006-04-28 Eric Christopher <echristo@apple.com>
12438 * config/darwin-c.c (darwin_ms_struct): Move this
12439 (darwin_set_default_type_attributes): and this...
12440 * config/darwin.c: ... here.
12441 * config/darwin.h (darwin_ms_struct): Declare.
12443 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12445 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12447 2006-04-28 Roger Sayle <roger@eyesopen.com>
12450 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12451 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12452 an unsigned HOST_WIDE_INT.
12453 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12455 (really_start_incremental_init): No need to call convert because
12456 bitsize_zero_node is already of type bitsizetype.
12457 (push_init_level): Extract the value of constructor_index as an
12458 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12459 (process_init_element): Likewise.
12461 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12463 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12464 value before passing to make_relative_prefix.
12466 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12468 PR middle-end/27260
12469 * builtins.c (expand_builtin_memset): Expand val in original mode.
12471 2006-04-27 Eric Christopher <echristo@apple.com>
12473 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12474 with #ifndef/#endif.
12475 * config/darwin-c.c (darwin_ms_struct): New.
12476 (darwin_pragma_ms_struct): Ditto.
12477 (darwin_set_default_type_attributes): Ditto.
12478 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12479 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12480 Register ms_struct pragma.
12481 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12482 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12483 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12484 darwin_set_default_type_attributes if TARGET_MACHO.
12486 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12488 PR tree-optimization/26854
12489 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12490 * doc/tree-ssa.texi: Update immuse iterator documentation.
12491 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12492 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12493 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12494 first_safe_imm_use, next_safe_imm_use): Remove.
12495 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12496 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12497 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12498 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12499 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12500 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12501 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12502 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12503 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12504 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12505 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12506 (perfect_nestify): Use new iterator.
12507 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12509 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12510 (next_imm_name): New field in struct immediate_use_iterator_d.
12511 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12512 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12513 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12514 * tree-cfg.c (replace_uses_by): Use new iterator.
12515 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12516 * tree-ssa-operands.c (correct_use_link): Remove.
12517 (finalize_ssa_use_ops): No longer call correct_use_link.
12519 2006-04-27 Stuart Hastings <stuart@apple.com>
12521 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12522 * config/t-darwin (crt3.o): Use it.
12523 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12524 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12525 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12526 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12527 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12530 2006-04-27 Roger Sayle <roger@eyesopen.com>
12532 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12533 size, force the intermediate into a new pseudo rather instead of
12534 performing both a bitwise AND and a bitwise IOR in memory.
12536 2006-04-27 Richard Guenther <rguenther@suse.de>
12538 PR rtl-optimization/26685
12539 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12540 this one "max-flow-memory-locations".
12542 2006-04-27 Richard Guenther <rguenther@suse.de>
12544 PR tree-optimization/25148
12545 * tree-vrp.c (compare_values): Remove code dealing with
12546 comparisons against type min/max value. Honour overflow
12547 and negative constants in code dealing with comparisons
12548 of plus and minus expressions.
12549 (value_inside_range): Use fold_binary with LE_EXPR and
12550 GE_EXPR rather than compare_values.
12552 2006-04-27 Dirk Mueller <dmueller@suse.de>
12554 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12557 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12559 * basic-block.h (safe_insert_insn_on_edge): Removed.
12560 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12562 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12563 Paolo Bonzini <bonzini@gnu.org>
12565 PR middle-end/27282
12566 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12567 (simplify_and_const_int): Same.
12569 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12571 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12573 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12576 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12577 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12578 cgraph_global_info_ready.
12580 PR middle-end/26913
12581 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12584 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12585 either decl or init is error_mark_node.
12587 PR middle-end/25989
12588 * tree-flow.h (struct omp_region): Add sched_kind.
12589 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12590 instead of extracting omp for data.
12591 (expand_omp_for): Save extracted sched_kind.
12593 2006-04-25 Roger Sayle <roger@eyesopen.com>
12595 * expmed.c (store_bit_field): Also check whether the bitsize is
12596 valid for the machine's "insv" instruction before moving the
12597 target into a pseudo for use with the insv.
12598 * config/i386/predicates.md (const8_operand): New predicate.
12599 * config/i386/i386.md (extv, extzv, insv): Use the new
12600 const8_operand predicate where appropriate.
12602 2006-04-25 DJ Delorie <dj@redhat.com>
12604 * doc/install.texi (Specific): Clarify that this is not a list of
12605 supported hosts or targets.
12607 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12609 PR rtl-optimization/26725
12610 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12611 block's BB_DIRTY flag.
12613 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12615 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12618 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12619 to print an integer.
12621 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12623 * varasm.c (align_variable): New function.
12624 (get_block_for_decl): Apply align_variable to DECL before
12625 calculating section information.
12626 (assemble_variable): Split out alignment computation.
12628 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12630 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12633 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12635 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12636 MODE_PARTIAL_INT mode.
12637 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12638 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12640 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12641 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12643 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12645 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12647 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12648 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12649 MACFLAG_IH): Likewise.
12650 (movstricthi_1): Renamed from "*movstricthi".
12651 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12652 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12653 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12654 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12655 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12656 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12657 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12658 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12659 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12660 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12661 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12662 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12663 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12664 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12665 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12667 * doc/rtl.texi (ss_ashift): Improve wording.
12669 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12671 * dwarf2out.c (verify_marks_clear): New.
12672 (prune_unused_types): Call verify_marks_clear initially, not
12675 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12677 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12678 * doc/rtl.texi: Document them.
12679 * simplify-rtx.c (simplify_unary_operation,
12680 simplify_binary_operation_1): Don't abort when we see them.
12682 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12685 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12686 * configure.ac: Completely disregard languages that are not
12688 * configure: Regenerated.
12690 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12691 Richard Guenther <rguenther@suse.de>
12693 PR tree-optimization/27236
12694 * tree-inline.c (copy_body_r): Make sure to copy
12695 TREE_THIS_VOLATILE flag.
12697 2006-04-24 Richard Guenther <rguenther@suse.de>
12699 PR middle-end/26869
12700 * tree-complex.c (update_parameter_components): Don't handle
12701 unused parameters which have no default def.
12703 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12704 Richard Guenther <rguenther@suse.de>
12706 PR tree-optimization/27218
12707 * tree-inline.c (expand_call_inline): Strip useless type
12708 conversions for the return slot address.
12710 2006-04-24 Richard Guenther <rguenther@suse.de>
12712 * cfgloop.h (struct loops): Remove unused field array. Reorder
12714 (LOOP_PREFETCH): Remove.
12716 2006-04-24 Richard Guenther <rguenther@suse.de>
12718 PR tree-optimization/22525
12719 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12720 variable, adjust types of generated expressions.
12722 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12724 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12725 (tree-vect-patterns.o): Likewise.
12726 (jump.o): Likewise.
12727 (cselib.o): Likewise.
12728 (loop-doloop.o): Likewise.
12729 (regclass.o): Likewise.
12730 (reload1.o): Likewise.
12731 (explow.o): Replace target.h with $(TARGET_H).
12732 (ipa-prop.o): Likewise.
12733 (ipa-cp.o): Likewise.
12734 (ipa-inline.o): Likewise.
12735 (reorg.o): Likewise.
12736 (reg-stack.o): Likewise.
12738 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12740 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12742 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12744 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12746 * configure.ac: Completely disregard languages that are not
12748 * configure: Regenerated.
12751 * c-common.h (c_build_bitfield_integer_type): Declare.
12752 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12753 * c-common.c (c_build_bitfield_integer_type): ... here.
12755 2006-04-23 Roger Sayle <roger@eyesopen.com>
12758 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12759 a SImode SUBREG of a floating point register after no_new_pseudos.
12761 2006-04-23 Roger Sayle <roger@eyesopen.com>
12763 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12764 identify potentially eliminable registers to additionally catch
12765 VIRTUAL_INCOMING_ARGS_REGNUM.
12766 (addsi3): Update the conditions on when to use addsi_small_int.
12768 2006-04-23 Roger Sayle <roger@eyesopen.com>
12771 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12772 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12773 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12775 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12777 * fold-const.c (range_predecessor): Use operand_equal_p
12778 as the predicate for equality.
12779 (range_successor): Likewise.
12781 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12784 * config/soft-fp/op-common.h: Fix a typo.
12786 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12788 PR libmudflap/26864
12789 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12790 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12792 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12794 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12796 * doc/tm.texi: Fix a typo.
12798 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12800 * dwarf2out.c (struct die_struct): Document that die_sib makes
12801 a circular linked list.
12802 (FOR_EACH_CHILD): New.
12803 (reverse_die_lists): Delete.
12804 (reverse_all_dies): Delete.
12805 (add_dwarf_attr): Correct documentation.
12806 (remove_child_with_prev): New.
12807 (remove_child_TAG): Update for change to die_struct, use
12808 remove_child_with_prev.
12809 (add_child_die): Update for change to die_struct.
12810 (splice_child_die): Use remove_child_with_prev and add_child_die.
12811 (print_die): Use FOR_EACH_CHILD.
12812 (die_checksum): Likewise.
12813 (assign_symbol_names): Likewise.
12814 (output_location_lists): Likewise.
12815 (build_abbrev_table): Likewise.
12816 (calc_die_sizes): Likewise.
12817 (mark_dies): Likewise.
12818 (unmark_dies): Likewise.
12819 (unmark_all_dies): Likewise.
12820 (output_die): Likewise.
12821 (prune_unused_types_mark): Likewise.
12822 (prune_unused_types_walk): Likewise.
12823 (same_die_p): Update for change to die_struct.
12824 (break_out_includes): Likewise.
12825 (prune_unused_types_prune): Likewise.
12826 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12827 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12828 it's already clear.
12829 (dwarf2out_finish): Don't call reverse_all_dies.
12831 2006-04-21 Eric Christopher <echristo@apple.com>
12833 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12834 in comments and function names.
12836 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12839 * c-typeck.c (digest_init): Robustify.
12841 * c-typeck.c (pop_init_level): Simplify.
12843 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12845 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12847 2006-04-21 Paul Brook <paul@codesourcery.com>
12849 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12850 hardware floating point.
12852 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12854 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12857 2006-04-21 Nick Clifton <nickc@redhat.com>
12859 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12862 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12865 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12866 C++ lang type in traceback table for Objective-C++.
12868 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12870 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12872 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12874 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12877 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12878 were errors. Remove check for erroneous objects.
12880 2006-04-20 Jeff Law <law@redhat.com>
12882 PR tree-optimization/26854
12883 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12884 checking for zero or one use.
12885 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12886 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12887 * tree-ssa-reassoc.c (negate_value): Similarly.
12888 (reassociate_bb): Similarly.
12890 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12893 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12894 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12895 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12897 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12899 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12900 fp regs if the last fp arg doesn't fit in regs.
12902 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12905 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12906 that the last insn has the REG_INC note.
12908 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12909 Nathan Sidwell <nathan@codesourcery.com>
12912 * stor-layout.c (update_alignment_for_field): Do not align
12914 (place_union_field): Place union field at the start of the union.
12915 (place_field): Move ERROR_MARK check later, and use the current
12916 allocation position to maintain monotonicity.
12918 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12920 * dominance.c: Include timevar.h.
12921 (calculate_dominance_info): Use TV_DOMINANCE.
12922 * timevar.def (TV_DOMINANCE): New timevar.
12923 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12925 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12927 PR rtl-optimization/14261
12928 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12929 move would be an INSV insn.
12930 (noce_process_if_block): Don't optimize if the destination is a
12931 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12933 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12935 * config/s390/s390.md: Add comments with the instructions emitted
12936 by an insn pattern if macros are used.
12938 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12940 PR rtl-optimization/26026
12941 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12942 is a known power of two shifted left a variable amount.
12944 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12946 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12947 to hash table twice when the debug_str section has SECTION_MERGE.
12949 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12951 * config/soft-fp: New directory. From glibc.
12952 * config/soft-fp/t-softfp: New.
12953 * config/soft-fp/README: New.
12954 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12955 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12956 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12957 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12958 * config.gcc: Use rs6000/t-fprules-fpbit or
12959 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12961 * config/rs6000/sfp-machine.h: New. Based on glibc.
12962 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12964 * config/rs6000/t-fprules: Remove fp-bit rules.
12965 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12966 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12967 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12968 (softfp_wrap_start, softfp_wrap_end): New.
12970 2006-04-18 DJ Delorie <dj@redhat.com>
12972 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12974 2006-04-18 Devang Patel <dpatel@apple.com>
12976 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12978 2006-04-18 Nick Clifton <nickc@redhat.com>
12980 * config/sh/t-symbian: Add rule to build sh-c.o
12981 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12982 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12983 (sh_symbian_encode_section_info): Likewise.
12985 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12987 * builtins.c (expand_builtin_strcmp): Cover label definition of
12988 do_libcall with HAVE_cmpstrnsi.
12990 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12992 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12994 * function.h (temp_slot_p): New.
12995 (function): Change the type of x_used_temp_slots to
12996 VEC(temp_slot_p,gc) *.
12998 2006-04-18 Nick Clifton <nickc@redhat.com>
13000 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13001 flag_strength_reduce.
13003 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13005 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13009 Partial revert of revision 112637
13010 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13011 Dale Johannesen <dalej@apple.com>
13014 * regclass.c (struct reg_pref): Update documentation.
13015 (regclass): Set prefclass to NO_REGS if memory is the best option.
13016 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13018 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13020 PR tree-optimization/26821
13021 * tree-ssa-math-opts.c (get_constant_one): New.
13022 (insert_reciprocals): Use it.
13024 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13026 * dwarf2out.c (free_AT): Delete.
13027 (remove_AT): Update string ref counts.
13028 (remove_child_TAG): Don't call free_die.
13029 (free_die): Delete.
13030 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13031 or DW_TAG_GNU_EINCL.
13032 (prune_unused_types_walk_attribs): Reset string refcounts.
13033 (prune_unused_types_update_strings): New.
13034 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13035 call free_die. Do call prune_unused_types_update_strings.
13036 (prune_unused_types): Empty debug_str_hash.
13038 2006-04-17 Roger Sayle <roger@eyesopen.com>
13040 * expr.c (expand_assignment): Optimize away no-op moves where the
13041 source and destination are equal and have no side-effects.
13043 2006-04-17 Richard Guenther <rguenther@suse.de>
13046 * reload.c (push_reload): Guard calls to get_secondary_mem
13047 for memory subregs.
13049 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13051 * alias.c (reg_base_value, old_reg_base_value): Change the
13052 type to VEC(rtx,gc) *.
13053 (REG_BASE_VALUE, find_base_value, record_set,
13054 init_alias_analysis): Use VEC instead of VARRAY.
13056 * alias.c (alias_sets): Change the type to
13057 VEC(alias_set_entry,gc) *.
13058 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13059 VEC instead of VARRAY.
13060 (last_alias_set): Remove.
13062 * cgraph.h (cgraph_edge_p): New.
13063 Update the prototype of cgraph_function_versioning.
13064 * cgraphunit.c (cgraph_copy_node_for_versioning,
13065 cgraph_function_versioning): Use VEC instead of VARRAY.
13066 * ipa-cp.c (ipcp_insert_stage): Likewise.
13068 2006-04-16 Roger Sayle <roger@eyesopen.com>
13071 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13072 "A op B" or "A op C", we may need to convert A to the type of B and C.
13074 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13076 * target.h (struct gcc_target): Add mode_rep_extended.
13077 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13078 (init_num_sign_bit_copies_in_rep): Initialize it using
13080 (truncate_to_mode): Use it.
13081 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13082 * targhooks.h (default_mode_rep_extended): Declare it.
13083 * targhooks.c (default_mode_rep_extended): Define it.
13084 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13085 default_mode_rep_extended.
13086 (TARGET_INITIALIZER): Include it.
13087 * doc/tm.texi (Misc): Document it.
13088 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13089 (mips_truncated_to_mode): New function.
13091 2006-04-16 Roger Sayle <roger@eyesopen.com>
13093 PR middle-end/25474
13094 * expr.c (compress_float_constant): Copy the narrow constant into
13095 a new pseudo before extending it to its final width.
13097 2006-04-16 Roger Sayle <roger@eyesopen.com>
13098 Andrew Pinski <pinskia@gcc.gnu.org>
13099 Dale Johannesen <dalej@apple.com>
13102 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13103 special case code to implement V8HImode and V16QImode with SSE2.
13105 2006-04-15 Roger Sayle <roger@eyesopen.com>
13107 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13108 trees are constructed with a suitable tree type.
13110 2006-04-15 Roger Sayle <roger@eyesopen.com>
13112 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13113 (integer_onep): Likewise.
13114 (integer_all_onesp): Likewise.
13115 (integer_pow2p): Likewise.
13116 (integer_nonzerop): Likewise.
13117 (real_zerop): Likewise.
13118 (real_onep): Likewise.
13119 (real_twop): Likewise.
13120 (real_minus_onep): Likewise.
13121 (int_size_in_bytes): Likewise.
13122 (host_integerp): Likewise.
13124 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13126 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13127 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13128 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13130 * tree-ssa-structalias.h (alias_info): Remove num_references.
13132 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13134 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13135 (output_bvb patterns): Likewise.
13136 * pa.c (output_bb): Use 'bb' insn for long branch case.
13137 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13138 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13139 1. Correct length operand for alternatives 1 and 2.
13140 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13141 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13143 2006-04-14 Roger Sayle <roger@eyesopen.com>
13145 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13146 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13147 were accidentally reverted by r112959.
13149 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13151 PR middle-end/26823
13152 * except.h (eh_region_outermost): New prototype.
13153 * except.c (eh_region_outermost): New function.
13154 * tree-cfg.c (find_outermost_region_in_block): Use it.
13156 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13158 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13160 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13161 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13162 (init_reload, reload): Use VEC instead of VARRAY.
13163 * reload.h: Update the prototype for
13164 reg_equiv_memory_loc_varray.
13166 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13167 Eric Botcazou <ebotcazou@libertysurf.fr>
13169 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13170 register save area.
13172 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13174 PR middle-end/27134
13175 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13176 to expand fallback builtin function call.
13178 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13180 PR middle-end/27095
13181 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13182 and emit libcall here in case the builtin fails.
13183 (expand_builtin_strcmp): Always emit the libcall here on failure.
13185 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13187 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13188 * flow.c (reg_n_info): Change the type to
13189 VEC(reg_info_p,heap) *.
13190 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13192 * regs.h (reg_info_p): New.
13193 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13194 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13195 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13198 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13200 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13202 * params.h (MAX_SCHED_READY_INSNS): New macro.
13203 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13204 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13205 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13206 the ready list for 1 cycle during the first scheduling pass.
13207 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13209 2006-04-13 Richard Henderson <rth@redhat.com>
13212 * gimple-low.c (lower_omp_directive): Remove dead code.
13213 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13214 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13215 * omp-low.c (struct omp_region): Move to tree-flow.h.
13216 (root_omp_region): Export.
13217 (omp_regions, lookup_omp_region): Remove.
13218 (determine_parallel_type): Update for struct omp_region changes.
13219 (dump_omp_region): Dump regions with block numbers.
13220 (new_omp_region): Take type and block instead of stmt; malloc
13222 (free_omp_region_1, free_omp_regions): New.
13223 (expand_parallel_call): Take entry_stmt as argument; update for
13224 changes to omp_region.
13225 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13226 (remove_exit_barriers): New.
13227 (expand_omp_parallel): Update for struct omp_region changes.
13228 (expand_omp_synch): Likewise.
13229 (expand_omp): Likewise.
13230 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13231 (expand_omp_for_static_chunk): Likewise.
13232 (expand_omp_for): Likewise.
13233 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13234 (expand_omp_sections): Similarly, with GOMP_sections_end.
13235 (expand_omp_single): New.
13236 (build_omp_regions_1): Update for OMP_CONTINUE.
13237 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13238 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13239 OMP_SECTIONS_SECTIONS.
13240 (lower_omp_single_simple): Don't emit barrier here.
13241 (lower_omp_single_copy): Likewise.
13242 (lower_omp_single): Fix bindings, and lower to straightline now.
13243 (lower_omp_master, lower_omp_ordered): Likewise.
13244 (lower_omp_critical): Likewise.
13245 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13246 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13247 omp edges, free it afterward.
13248 (make_omp_sections_edges): Remove.
13249 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13250 (move_stmt_r): Handle OMP_CONTINUE.
13251 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13252 statement pointers to basic blocks. Add type member.
13253 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13254 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13255 * tree-inline.c (estimate_num_insns_1): Likewise.
13256 * tree-pretty-print.c (dump_generic_node): Likewise.
13257 * tree-ssa-operands.c (get_expr_operands): Likewise.
13258 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13259 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13260 (OMP_CONTINUE): New.
13261 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13262 (OMP_SECTIONS_SECTIONS): Remove.
13263 (OMP_SECTION_LAST): New.
13264 (OMP_RETURN_NOWAIT): New.
13266 2006-04-13 Roger Sayle <roger@eyesopen.com>
13268 * fold-const.c (native_encode_vector, native_interpret_real):
13269 Correct obvious mistakes in the previous check-in.
13271 2006-04-13 Roger Sayle <roger@eyesopen.com>
13273 * fold-const.c (native_encode_expr): New function to encode
13274 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13275 or VECTOR_CST into a specified buffer.
13276 (native_encode_int): New function.
13277 (native_encode_real): New function.
13278 (native_encode_complex): New function.
13279 (native_encode_vector): New function.
13280 (native_interpret_expr): Inverse of native_encode_expr to convert
13281 a target representation into an INTEGER_CST, REAL_CST etc...
13282 (native_interpret_int): New function.
13283 (native_interpret_real): New function.
13284 (native_interpret_complex): New function.
13285 (native_interpret_vector): New function.
13286 (fold_view_convert_expr): New function to constant fold/evaluate
13287 a VIEW_CONVERT_EXPR of a suitable constant expression.
13288 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13289 Change call of build1 to fold_build1 when constructing a
13292 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13293 Ulrich Weigand <uweigand@de.ibm.com>
13296 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13299 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13302 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13303 optimize to lo_sum for DFmode if !TARGET_FPRS.
13305 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13307 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13308 delete_alias_info, compute_flow_sensitive_aliasing,
13309 group_aliases): Use VEC instead of VARRAY.
13310 * tree-ssa-structalias.c (update_alias_info): Likewise.
13311 * tree-ssa-structalias.h (alias_info): Change the type of
13312 processed_ptrs to VEC(tree,heap) *.
13314 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13317 * config/sh/lib1funcs.h: New file, broken out of:
13318 * config/sh/lib1funcs.asm.
13319 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13321 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13322 * config/sh/lib1funcs-Os-4-200.asm: New file.
13323 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13324 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13325 (EXTRA_MULTILIB_PARTS): Include it.
13326 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13327 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13328 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13329 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13332 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13334 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13335 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13336 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13338 * tree-ssa-live.h: Include vecprim.h.
13339 (tree_partition_associator_d): Change the type of
13340 first_partition to VEC(int,heap) *.
13341 (tpa_first_partition): Use VEC instead of VARRAY.
13343 * Makefile.in (GTFILES): Move functions.h after tree.h.
13344 * function.c (reset_block_changes, record_block_change,
13345 check_block_change, free_block_changes): Use VEC instead of
13347 * function.h (function): Change the type of
13348 ib_boundaries_block to VEC(tree,gc) *.
13349 * tree-inline.c (copy_cfg_body): Initialize
13350 ib_boundaries_block to NULL instead of (varray_type) 0.
13352 2006-04-12 Roger Sayle <roger@eyesopen.com>
13354 * expr.c (emit_group_store): Correct operand order in call to
13355 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13356 a SUBREG_BYTE of zero.
13358 2006-04-12 Richard Guenther <rguenther@suse.de>
13360 * profile.c (compute_branch_probabilities): Remove code
13361 encapsulated in !ir_type (), which are remanents of the
13362 removed RTL profiling code.
13363 * rtl-profile.c: Remove.
13365 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13367 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13368 magic NULL_RTX comment.
13369 (function_arg): Store entire fp arg to mem if any part should go
13371 (rs6000_arg_partial_bytes): Adjust for above change.
13373 2006-04-11 Roger Sayle <roger@eyesopen.com>
13375 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13376 if it hasn't been initialized by dwarf2out_init.
13378 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13380 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13381 symbolic constants in branch patterns.
13383 2006-04-11 Roger Sayle <roger@eyesopen.com>
13385 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13387 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13389 PR rtl-optimization/27073
13390 * gcse.c (try_replace_reg): Revert last change. Continue to search
13391 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13394 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13396 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13397 aggregate types other than record and union types.
13398 (function_arg): Likewise.
13399 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13401 (function_value): In 64-bit mode, return objects that require it
13404 2006-04-11 Roger Sayle <roger@eyesopen.com>
13406 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13408 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13410 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13412 2006-04-03 Jeff Law <law@redhat.com>
13415 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13416 alias information too.
13418 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13420 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13422 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13425 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13426 (premark_used_types_helper): New.
13427 (premark_used_types): New.
13428 (gen_subprogram_die): Call premark_used_types.
13429 (prune_unused_types_walk): Do not prune perennial dies.
13430 * function.c (used_types_insert): New.
13431 * function.h (struct function): Add used_types_hash field.
13432 (used_types_insert): Add prototype.
13433 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13434 * c-parser.c (c_parser_cast_expression): Save casted types in used
13437 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13440 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13441 rs6000_explicit_options.float_gprs.
13443 2006-04-10 Roger Sayle <roger@eyesopen.com>
13445 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13446 from ix86_expand_vector_init_low_nonzero. Take an additional
13447 one_var argument indicating which element is non-zero. Support
13448 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13449 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13450 with one_var instead of ix86_expand_vector_init_low_nonzero.
13452 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13454 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13455 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13456 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13457 build/genextract.o): Depend on vecprim.h.
13458 * cfglayout.c, df-problems.c, function.c, genextract.c,
13459 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13460 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13464 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13466 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13467 Declare VECs of this type.
13468 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13469 (remove_children): Delete.
13470 (add_dwarf_attr): Use VEC routines.
13471 (add_AT_flag): Update for changes to add_dwarf_attr.
13472 (add_AT_int): Likewise.
13473 (add_AT_unsigned): Likewise.
13474 (add_AT_long_long): Likewise.
13475 (add_AT_vec): Likewise.
13476 (add_AT_string): Likewise.
13477 (add_AT_die_ref): Likewise.
13478 (add_AT_fde_ref): Likewise.
13479 (add_AT_loc): Likewise.
13480 (add_AT_loc_list): Likewise.
13481 (add_AT_addr): Likewise.
13482 (add_AT_lbl_id): Likewise.
13483 (add_AT_lineptr): Likewise.
13484 (add_AT_macptr): Likewise.
13485 (add_AT_offset): Likewise.
13486 (add_AT_range_list): Likewise.
13487 (get_AT): Use VEC_iterate.
13488 (remove_AT): Use VEC_ordered_remove.
13489 (free_die): Fold remove_children into here; have it use VEC_iterate.
13490 (print_die): Use VEC_iterate on attrs.
13491 (reverse_die_lists): Don't reverse attr lists.
13492 (die_checksum): Use VEC_iterate on attrs.
13493 (same_die_p): Likewise.
13494 (output_location_lists): Likewise.
13495 (build_abbrev_table): Likewise.
13496 (size_of_die): Likewise.
13497 (unmark_all_dies): Likewise.
13498 (output_abbrev_section): Likewise.
13499 (output_die): Likewise.
13500 (prune_unused_types_walk_attribs): Likewise.
13502 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13504 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13506 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13509 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13511 2006-04-09 Roger Sayle <roger@eyesopen.com>
13513 * expr.c (store_constructor): Don't bother clearing target if
13514 we're about to assign a vector to it using vec_init_optab.
13516 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13518 * tree-ssa-alias.c (lhs_may_store_to): New function.
13519 (recalculate_used_alone): Handle LHS of calls.
13521 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13525 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13526 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13527 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13528 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13529 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13530 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13531 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13532 stubs. Add ".align 8" directives before all ".dword" directives.
13533 (GTHREAD_USE_WEAK): Revise comment.
13534 (TARGET_ATTRIBUTE_WEAK): Define.
13535 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13536 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13537 * stublib.c: New file.
13542 * pa.md (cbranch patterns): Revise arguments used in calls to
13543 output_cbranch, output_bb and output_bvd. Add long branch length
13545 (fbranch patterns): Handle long branches.
13546 (jump): Revise length check. Revise arguments for output_lbranch call.
13547 Add long branch length attributes.
13548 (decrement_and_branch_until_zero): Add long branch length attributes.
13549 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13550 Likewise. Revise arguments for output_parallel_addb and
13551 output_parallel_movb calls.
13552 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13553 output_parallel_movb and output_parallel_addb): Update prototypes.
13554 * pa.c (output_cbranch): Revise arguments. Correct handling of
13555 nullification in long branches.
13556 (output_lbranch): Add new argument to control extraction of delay
13558 (output_bb): Handle long branches.
13559 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13560 output_parallel_addb): Likewise.
13562 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13564 PR rtl-optimization/27073
13565 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13568 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13570 * tree.h (tree_memory_tag): Add old_used_alone.
13571 (SMT_OLD_USED_ALONE): New macro.
13572 * tree-ssa-alias.c (recalculate_used_alone): Stop
13573 marking things for renaming unnecessarily.
13575 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13577 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13578 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13579 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13580 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13581 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13582 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13583 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13584 spelling convensions.
13585 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13586 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13587 typos. Follow spelling conventions.
13589 2006-04-07 DJ Delorie <dj@redhat.com>
13591 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13592 passed on the stack.
13593 (m32c_init_cumulative_args): When a function returns a structure,
13594 always pass the pointer to that return area on the stack.
13595 (m32c_function_arg_advance): Don't increment the parameter number
13596 if we're processing the returned structure pointer.
13597 (pushm_info): Reverse order of registers.
13599 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13601 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13602 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13603 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13604 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13605 build_int_cst_type.
13606 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13607 chrec_fold_multiply): Same.
13608 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13609 force_expr_to_var_cost): Same.
13610 * tree-mudflap.c (mf_xform_derefs_1): Same.
13611 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13613 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13615 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13616 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13619 2006-04-07 Jan Hubicka <jh@suse.cz>
13621 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13623 2006-04-07 Richard Guenther <rguenther@suse.de>
13625 PR tree-optimization/26135
13626 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13627 loads for store copy-prop.
13628 (copy_prop_visit_stmt): Likewise.
13630 2006-04-05 Robert Millan <robertmh@gnu.org>
13632 * config/i386/linux.h: Add a comment to mark macros that are
13633 being overriden in config/k*bsd-gnu.h.
13634 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13636 * config/knetbsd-gnu.h: Ditto.
13638 2006-04-06 Jan Hubicka <jh@suse.cz>
13642 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13645 2006-04-06 Mike Stump <mrs@apple.com>
13647 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13648 for HAVE_nonlocal_goto to be consistent.
13649 (expand_builtin_nonlocal_goto): Likewise.
13650 (expand_builtin_strcmp): Use #ifdef instead of #if
13651 for HAVE_cmpstrnsi to be consistent.
13653 2006-04-05 DJ Delorie <dj@redhat.com>
13655 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13658 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13660 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13661 got-relative addressing for anything but SImode.
13663 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13664 even if the calling function doesn't modify them.
13666 2006-04-05 Richard Guenther <rguenther@suse.de>
13668 PR tree-optimization/26919
13669 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13670 to cgraph_estimate_size_after_inlining.
13672 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13674 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13676 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13678 PR tree-optimization/26996
13679 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13680 VECTOR_TYPE variables.
13682 2006-04-05 Richard Guenther <rguenther@suse.de>
13684 PR tree-optimization/26763
13685 * fold-const.c (fold_comparison): Move folding of
13686 PTR + CST CMP PTR + CST ...
13687 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13689 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13691 * doc/install.texi (Prerequisites): Refine some wording on
13692 bootstrapping and ksh.
13693 Move the version numbers of DejaGnu here from the testing section
13694 and fix casing of names.
13695 Fix markup and clarify wording for autogen requirements.
13696 Refer to GCJ instead of just java.
13697 Refer to SVN instead of CVS.
13698 Describe diffutils as useful instead of necessary.
13699 (Downloading the source): Refer to SVN instead of CVS.
13700 Adjust a link to our web site accordingly.
13701 (Configuration): Fix casing of Bison.
13702 (Building): Refer to SVN instead of CVS.
13703 Fix a sentence on the use of Bison and remove duplicate (and
13704 incorrect) version number of Bison requirement.
13705 Remove one redundant list of packages needed for building.
13706 (Specific): Avoid reference to CVS.
13708 2006-04-04 Eric Christopher <echristo@apple.com>
13710 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13711 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13712 (rs6000_handle_struct_attribute): New.
13713 (rs6000_ms_bitfield_layout_p): Ditto.
13715 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13717 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13718 NULL for dso parameter to atexit_common.
13720 2006-04-04 Eric Christopher <echristo@apple.com>
13722 * config/i386/i386.c (machopic_output_stub): Output \t
13723 between instructions and operands.
13725 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13727 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13728 satisfies_constraint_[IL] to explicit tests on value.
13730 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13732 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13733 set_nb_iterations_in_loop): Use build_int_cst instead of
13734 build_int_cst_type.
13735 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13736 build_int_cst instead of convert.
13738 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13740 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13741 new value 2 for incoming.
13742 * function.c (expand_function_start): Call struct_value_rtx
13743 with incoming as 2.
13744 * config/sparc/sparc.md: Comment updated_return.
13745 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13746 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13747 struct return if sparc_std_struct_return and incoming is 2.
13748 (print_operand): Do not adjust return if
13749 sparc_std_struct_return.
13751 2006-04-04 Roger Sayle <roger@eyesopen.com>
13753 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13754 convert in the middle-end.
13755 * expr.c (store_expr, store_constructor, get_inner_reference,
13756 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13758 * tree.c (build_range_type): Likewise.
13760 2006-04-04 Tom Tromey <tromey@redhat.com>
13762 * doc/install.texi (Prerequisites): Mention jar.
13764 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13766 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13769 2006-04-04 Matthias Klose <doko@debian.org>
13771 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13775 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13778 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13780 * doc/extend.texi (Function Attributes): Rewrite visibility
13781 attribute documentation.
13782 * doc/invoke.texi (C++ Dialect Options): Rewrite
13783 -fvisibility-inlines-hidden documentation to describe something
13784 entirely different, although in practise compatible.
13785 (Code Gen Options): Warn about system headers in -fvisibility=
13788 * doc/extend.texi (Other Builtins): Document that
13789 __builtin_nan is a compile-time constant only when its argument
13792 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13794 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13795 trying to remove TRUNCATE check if all bits outside the new mode
13796 are identical to the sign bit.
13798 2006-04-03 Jeff Law <law@redhat.com>
13800 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13801 and operand scanning in some common cases.
13803 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13804 Dale Johannesen <dalej@apple.com>
13807 * regclass.c (struct reg_pref): Update documentation.
13808 (regclass): Set prefclass to NO_REGS if memory is the best option.
13809 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13810 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13811 into account. For non-registers, equate an empty preferred
13812 reload class to a `!' in the constraint; move the if clause to
13813 do so after those that reject the insn.
13814 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13816 (find_dummy_reload): Likewise.
13817 * doc/tm.texi (Register Classes): Document what it means
13818 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13819 * config/i386/i386.c (ix86_preferred_reload_class): Force
13820 using SSE registers (and return NO_REGS for floating-point
13821 constants) if math is done with SSE.
13822 (ix86_preferred_output_reload_class): New.
13823 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13824 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13825 * config/i386/i386.md: Remove # register preferences.
13827 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13830 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13831 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13832 the type of nb_iter.
13833 (instantiate_parameters_1): Convert the operands before calling
13834 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13835 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13837 2006-04-02 Roger Sayle <roger@eyesopen.com>
13839 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13840 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13841 instead of convert.
13842 * dojump.c (do_jump): Likewise.
13843 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13844 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13845 gimplify_boolean_expr): Likewise.
13846 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13847 * varasm.c (array_size_for_constructor): Likewise.
13848 * tree-object-size.c (compute_object_offset): Likewise.
13850 2006-04-02 Roger Sayle <roger@eyesopen.com>
13852 PR middle-end/26977
13853 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13854 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13856 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13858 PR tree-optimization/26939
13859 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13861 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13863 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13864 at_stmt. Convert the type of operands before calling
13865 build_polynomial_chrec.
13866 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13867 add_to_evolution_1.
13868 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13869 (instantiate_parameters_1): Convert the type of operands before calling
13870 build_polynomial_chrec.
13871 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13872 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13873 reset_evolution_in_loop): Insert asserts to check the types of the
13875 (chrec_type): Moved...
13876 (eq_evolutions_p): Use operand_equal_p.
13877 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13878 the types of the operands.
13879 (chrec_type): ...here.
13880 * tree-data-ref.c (create_data_ref): Convert the operands before
13881 calling chrec_replace_initial_condition.
13882 (same_access_functions, analyze_subscript_affine_affine,
13883 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13884 (compute_subscript_distance, analyze_ziv_subscript,
13885 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13886 analyze_miv_subscript): Convert the operands before calling
13887 chrec_fold_minus or chrec_fold_plus.
13889 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13891 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13892 the dependence_relations vector.
13893 (compute_data_dependences_for_loop): Adjust call to
13894 compute_all_dependences.
13896 2006-04-01 Roger Sayle <roger@eyesopen.com>
13897 Richard Henderson <rth@redhat.com>
13899 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13900 gimple_boolify on the condition before calling gimplify_expr.
13902 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13904 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13905 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13906 the frame size. Update to use the new macros.
13907 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13908 * config/xtensa/ieee754-df.S: Likewise.
13910 2006-03-31 Richard Henderson <rth@redhat.com>
13912 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13913 (make_edges): ... here. Control fallthru creation with a local
13914 variable. Do not play with fake edges.
13915 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13916 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13919 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13921 * dwarf2.h (DW64_CIE_ID): Define.
13922 * dwarf2out.c (DWARF_CIE_ID): Define.
13923 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13924 length header. Use DWARF_CIE_ID.
13925 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13926 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13928 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13930 * config/sh/linux-atomic.asm: New file.
13931 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13933 2006-03-31 DJ Delorie <dj@redhat.com>
13935 * config/m32c/cond.md: Set condition flags properly throughout.
13936 * config/m32c/minmax.md: Likewise.
13937 * config/m32c/prologue.md: Likewise.
13938 * config/m32c/bitops.md: Likewise.
13939 * config/m32c/muldiv.md: Likewise.
13940 * config/m32c/mov.md: Likewise.
13941 * config/m32c/addsub.md: Likewise.
13942 * config/m32c/m32c.md: Likewise.
13943 * config/m32c/jump.md: Likewise.
13944 * config/m32c/shift.md: Likewise.
13946 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13947 conditionally output the pattern for this.
13948 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13949 (m32c_compare_redundant): New.
13950 (m32c_output_compare): New.
13951 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13953 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13954 dest, not src. Allow other 4-byte modes.
13956 2006-03-30 Denis Chertykov <denisc@overta.ru>
13958 * doc/md.texi: Refer to avr/constraints.md instead of
13961 2006-03-30 Roger Sayle <roger@eyesopen.com>
13963 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13964 signed vs. unsigned comparison failures on some hosts.
13966 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13969 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13970 change to FLOAT_REGS.
13972 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13973 (rs6000_override_options): Use it.
13974 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13975 only for -mabi=spe/no-spe and -mabi=altivec.
13977 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13979 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13982 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13984 * Makefile.in: Rename docdir to gcc_docdir.
13986 2006-03-30 Roger Sayle <roger@eyesopen.com>
13989 * expr.c (emit_group_store): Optimize group stores into a pseudo
13990 register by using a paradoxical subreg to initialize the destination
13991 if the first or last member of the group specifies a "low part".
13993 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13996 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13997 * target.h (struct gcc_target.speculate_insn): Change type of the
13998 second parameter to 'int'.
13999 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14000 the second operand of the DEPS_LIST.
14001 (copy_DEPS_LIST_list): Update reference to the second operand of the
14003 * rtl.h (alloc_DEPS_LIST): Update signature.
14004 * sched-int.h (ds_t): Change typedef to 'int'.
14005 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14007 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14009 * haifa-sched.c (try_ready): Change condition to restore
14010 non-speculative pattern of the instruction.
14011 (process_insn_depend_be_in_spec): Code to keep probability of the
14012 speculative dependence non-decreasing.
14014 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14016 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14017 (single_move_for_movmem): ... this. Also change all uses.
14018 (bfin_expand_strmov): Renamed to...
14019 (bfin_expand_movmem): ... this. Also change all uses.
14020 * config/bfin/bfin.md (movstrsi): Renamed to...
14021 (movstrsi): ...this.
14023 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14025 PR tree-optimization/26830
14027 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14028 (copy_prop_visit_stmt): Remove write-only variable ann.
14029 (init_copy_prop): Check variable loop depth here. Do not simulate
14030 memory-tag and virtual operand PHIs except for store copy prop.
14032 2006-03-30 Richard Guenther <rguenther@suse.de>
14034 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14035 variants with double arguments.
14037 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14039 * genpreds.c (write_tm_constrs_h): Delete variable p.
14040 * genconditions.c (write_header): Add tm-constrs.h to included
14042 * genpeep.c (main): Add toplev.h to included headers.
14043 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14044 (build/genpeep.o): Add toplev.h dependency.
14045 * config/rs6000/constraints.md: Add "W" constraint.
14047 2006-03-29 Roger Sayle <roger@eyesopen.com>
14049 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14050 sizes by correctly testing whether the size fits a host integer.
14051 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14052 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14053 SImode range for the default sizetype and bitsizetype.
14055 2006-03-29 Roger Sayle <roger@eyesopen.com>
14057 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14058 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14059 quickly if the argument is already of the correct type.
14060 Call fold_build1 instead of build1. Tidy up blank lines.
14062 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14064 * genemit.c (main): Add tm-constrs.h to included headers.
14065 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14066 * genpeep.c (main): Add tm-constrs.h to included headers.
14067 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14068 (write_tm_constrs_h): this and write complete file.
14069 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14070 (write_insn_preds_c): Add tm-constrs.h to included headers.
14071 (gen_constrs): New variable.
14072 (parse_option): Parse "-c".
14073 (main): Invoke write_tm_constrs_h.
14074 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14075 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14076 (object_out_file): Add tm-constrs.h dependency.
14077 (insn-emit.o): Same.
14078 (insn-output.o): Same.
14079 (insn-peep.o): Same.
14080 (insn-preds.o): Same.
14081 (insn-recog.o): Same.
14082 (tm-constsr.h): New target.
14083 (s-constrs-h): New target.
14085 * config/rs6000/constraints.md: New file.
14086 * config/rs6000/rs6000.c: Include tm-constrs.h.
14087 (num_insn_constant_wide): Convert to satisfies_constraint.
14088 (rs6000_rtx_costs): Convert to satisfies_constraint.
14089 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14090 (CONST_OK_FOR_LETTER_P): Delete.
14091 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14092 (EXTRA_CONSTRAINT): Delete.
14093 (EXTRA_MEMORY_CONSTRAINT): Delete.
14094 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14095 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14096 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14097 satisfies_constraint.
14099 * config/i386/i386.c: Include tm-constrs.h.
14101 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14103 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14104 * tree-data-ref.c (find_data_references_in_loop,
14105 compute_data_dependences_for_loop): Use pointers to VEC.
14106 (analyze_all_data_dependences): Adjust calls.
14107 * tree-data-ref.h (find_data_references_in_loop,
14108 compute_data_dependences_for_loop): Adjust declarations.
14109 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14110 compute_data_dependences_for_loop.
14112 2006-03-29 Paul Brook <paul@codesourcery.com>
14114 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14115 (movdf_vfp): Ditto.
14117 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14119 PR tree-optimization/26859
14120 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14122 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14123 for the step after fold_convert.
14125 2006-03-29 Paul Brook <paul@codesourcery.com>
14127 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14128 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14130 2006-03-29 Paul Brook <paul@codesourcery.com>
14132 PR middle-end/23623
14133 * targhooks.c (default_narrow_bitfield): New fuction.
14134 * targhooks.h (default_narrow_bitfield): add prototype.
14135 * target.h (gcc_target): Add narrow_volatile_bitfield.
14136 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14137 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14138 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14139 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14141 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14143 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14145 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14146 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14147 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14148 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14149 (s390_function_arg_float): Allow SDmode and DDmode values to be
14150 passed in floating point registers.
14151 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14152 check with SCALAR_FLOAT_MODE_P.
14153 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14155 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14157 PR tree-optimization/25985
14158 * tree-ssa-loop-niter.c (number_of_iterations_le,
14159 number_of_iterations_ne): Make comments more precise.
14160 (number_of_iterations_cond): Add only_exit argument. Use the
14161 fact that signed variables do not overflow only when only_exit
14163 (loop_only_exit_p): New.
14164 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14165 number_of_iterations_cond.
14167 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14169 PR tree-optimization/26643
14170 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14173 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14175 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14176 (divsi3_i4_int): Likewise.
14178 2006-03-28 Roger Sayle <roger@eyesopen.com>
14180 * expr.c (emit_group_store): Only create a new pseudo reg if the
14181 quantity it needs to hold isn't already a suitable pseudo.
14183 2006-03-28 Jeff Law <law@redhat.com>
14185 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14186 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14188 2006-03-28 Roger Sayle <roger@eyesopen.com>
14190 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14191 the equivalent ~X & Y, and the symmetry related transformations.
14192 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14193 ~X & Y, and symmetry related transforms.
14195 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14197 Revert my 2006-03-27 patches.
14199 2006-03-28 Roger Sayle <roger@eyesopen.com>
14201 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14202 ~(T1)X, when T1 and T2 are integer types of the same precision
14203 and (T2)X isn't an extension.
14205 2006-03-28 Jeff Law <law@redhat.com>
14207 PR tree-optimization/26796
14208 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14209 need EH edge cleanups rather than purging them immediately.
14210 (eliminate_degenerate_phis): Handle queued EH cleanups.
14212 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14214 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14217 2006-03-27 Roger Sayle <roger@eyesopen.com>
14219 PR middle-end/22524
14220 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14221 cast BIT_NOT_EXPR operand to the correct type.
14223 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14225 * tree-loop-linear.c: Don't include varray.h.
14226 (gather_interchange_stats, try_interchange_loops,
14227 linear_transform_loops): Use VEC instead of VARRAY.
14228 * lambda-mat.c: Don't include varray.h.
14229 * tree-chrec.c: Same.
14230 * lambda-trans.c: Same.
14231 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14232 VEC instead of VARRAY.
14233 * tree-vectorizer.h: Idem.
14234 * tree-data-ref.c (dump_data_references,
14235 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14236 initialize_data_dependence_relation, finalize_ddr_dependent,
14237 compute_all_dependences, find_data_references_in_loop,
14238 compute_data_dependences_for_loop, analyze_all_data_dependences,
14239 free_dependence_relation, free_dependence_relations,
14240 free_data_refs): Idem.
14241 * tree-data-ref.h (data_reference_p, subscript_p): New.
14242 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14243 VEC instead of VARRAY.
14244 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14245 (find_data_references_in_loop, compute_data_dependences_for_loop,
14246 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14247 dump_data_dependence_relations, free_dependence_relations,
14248 free_data_refs): Adjust declaration.
14249 (lambda_transform_legal_p): Move declaration here...
14250 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14251 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14252 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14253 vect_analyze_data_refs): Use VEC instead of VARRAY.
14254 * lambda.h (lambda_transform_legal_p): ...from here.
14255 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14256 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14257 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14258 tree-chrec.o): Don't depend on VARRAY_H.
14260 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14262 * rtl.def (Copyright): Update date.
14263 (DEPS_LIST): Change type of the second operand to 'int'.
14264 * target.h (Copyright): Update date.
14265 (struct gcc_target.speculate_insn): Change type of the second parameter
14267 * lists.c (Copyright): Update date.
14268 (alloc_DEPS_LIST): Change signature. Update reference to the second
14269 operand of the DEPS_LIST.
14270 (copy_DEPS_LIST_list): Update reference to the second operand of the
14272 * rtl.h (Copyright): Update date.
14273 (alloc_DEPS_LIST): Update signature.
14274 * sched-int.h (Copyright): Update date.
14275 (ds_t): Change typedef to 'int'.
14276 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14278 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14280 * haifa-sched.c (Copyright): Update date.
14281 (try_ready): Change condition to restore non-speculative pattern
14282 of the instruction.
14283 (process_insn_depend_be_in_spec): Code to keep probability of the
14284 speculative dependence non-decreasing.
14286 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14288 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14289 shut up the compiler.
14291 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14293 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14294 to use lib prefix for target.
14295 ($(T)libic_invalidate_array_4-200.a): Likewise.
14296 ($(T)libic_invalidate_array_4a.a): Likewise.
14298 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14299 J"orn Rennecke <joern.rennecke@st.com>
14301 * superh.opt: New file.
14302 * sh.c (boardtype, osruntime): Remove.
14303 * superh.h (SUBTARGET_OPTIONS): Remove.
14304 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14306 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14307 arguments with ^ and/or [].
14309 * config.gcc (sh-*-*): Add quoting to account for quirk of
14311 Replace == with = in enable_incomplete_targets test.
14313 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14314 with MASK_LITTLE_ENDIAN.
14316 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14317 * config/sh/sh.opt: Added to some comments.
14318 * config/sh/superh.h: Removed some chaff.
14320 * config/sh/sh.opt: Add m4-[1234]00* options.
14321 * config/sh/sh.c (sh_handle_option): Likewise.
14322 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14323 (ic_invalidate_array_4-100.o): New rule.
14324 ($(T)libic_invalidate_array_4-100.a): Likewise.
14325 (ic_invalidate_array_4-200.o): Likewise.
14326 ($(T)libic_invalidate_array_4-200.a): Likewise.
14327 (ic_invalidate_array_4a.o): Likewise.
14328 ($(T)libic_invalidate_array_4a.a): Likewise.
14329 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14330 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14332 * config/sh/crt1.asm: Merged in profiling code.
14333 * config/sh/superh.h (STARTFILE_SPEC): Override.
14334 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14335 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14336 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14338 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14339 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14340 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14342 * sh.opt (mpretend-cmove): New option.
14343 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14344 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14345 (movsicc): Add TARGET_PRETEND_CMOVE code.
14347 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14349 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14350 s390_class_max_nregs): New function prototypes.
14351 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14352 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14353 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14354 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14356 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14358 * dwarf2out.c (add_location_or_const_value_attribute): Call
14359 tree_add_const_value_attribute if nothing else works.
14360 (reference_to_unused): New.
14361 (rtl_for_decl_init): Use reference_to_unused to decide whether
14362 to output an initializer.
14364 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14367 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14368 peephole removing spe frob_di_df_2.
14370 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14372 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14373 (subscript_dependence_tester_1): Declared.
14374 (print_dir_vectors, print_dist_vectors): New.
14375 (debug_data_dependence_relation): New.
14376 (dump_data_dependence_relation): Print more details.
14377 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14378 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14379 (save_dist_v, save_dir_v, add_outer_distances,
14380 build_classic_dist_vector_1): New.
14381 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14382 Don't test for lambda_vector_lexico_pos.
14383 (same_access_functions, add_multivariate_self_dist,
14384 add_other_self_distances, dir_from_dist): New.
14385 (build_classic_dir_vector): Replace implementation almost identical to
14386 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14388 (subscript_dependence_tester_1): New.
14389 (subscript_dependence_tester): Handle the lexicographically negative
14390 distance vectors by recomputing the dependence relation.
14391 (compute_affine_dependence): Remove parameter loop_nest_depth.
14392 (compute_self_dependence): Don't call compute_subscript_distance.
14393 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14394 Add a parameter for the loop_nest.
14395 (find_loop_nest_1, find_loop_nest): New.
14396 (compute_data_dependences_for_loop): Compute the loop nest, and give
14397 up if the nest is not well formed.
14398 * tree-data-ref.h (loop_p): New.
14399 (struct data_dependence_relation): Replace size_vect field with
14400 loop_nest, a vec of loops.
14401 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14402 (DDR_LOOP_NEST): New.
14403 (print_dir_vectors, print_dist_vectors,
14404 debug_data_dependence_relation): Declared.
14405 (index_in_loop_nest): New.
14406 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14407 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14410 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14412 * simplify-rtx.c (simplify_relational_operation): Call
14413 simplify_relational_operation_1 even if mode is VOIDmode.
14415 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14417 PR tree-optimization/26804
14418 * tree.h (DECL_CALL_CLOBBERED): New macro.
14419 (tree_decl_common): Add call_clobbered_flag.
14420 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14421 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14422 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14423 (mark_non_addressable): Ditto.
14424 * tree-ssa.c (verify_call_clobbered): New function.
14425 (verify_alias_info): Use it.
14426 * tree-pass.h (pass_reset_cc_flags): New prototype.
14427 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14428 (reset_cc_flags): New function.
14429 * passes.c (init_optimization_passes): Call reset_cc_flags after
14430 initializing referenced_vars.
14432 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14433 Roger Sayle <roger@eyesopen.com>
14435 PR middle-end/26717
14436 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14437 to 1.0 for non-real operands. Implement A / A optimization for
14440 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14442 * config/i386/i386.c (size_cost): Correct the comment for
14443 cost of storing fp registers.
14444 (i386_cost): Likewise.
14445 (i486_cost): Likewise.
14446 (pentium_cost): Likewise.
14447 (pentiumpro_cost): Likewise.
14448 (k6_cost): Likewise.
14449 (athlon_cost): Likewise.
14450 (k8_cost): Likewise.
14451 (pentium4_cost): Likewise.
14452 (nocona_cost): Likewise.
14453 (generic64_cost): Likewise.
14454 (generic32_cost): Likewise.
14456 2006-03-24 Denis Chertykov <denisc@overta.ru>
14458 * config/avr/avr-protos.h (extra_constraint): Delete.
14459 (extra_constraint_Q): New declaration.
14460 * config/avr/constraints.md: New file.
14461 * config/avr/avr.md: Include it.
14462 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14463 (TMP_REGNO, ZERO_REGNO): Likewise.
14464 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14465 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14466 (extra_constraint): Delete.
14467 (extra_constraint_Q): Test for memory constraint 'Q'.
14468 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14469 (REG_CLASS_FROM_LETTER): Delete.
14470 (CONST_OK_FOR_LETTER_P): Delete.
14471 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14472 (EXTRA_CONSTRAINT): Delete.
14473 (TMP_REGNO): Delete.
14474 (ZERO_REGNO): Delete.
14476 2006-03-24 Jeff Law <law@redhat.com>
14478 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14479 directly. Call mark_new_vars_to_rename slightly earlier.
14481 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14483 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14484 (is_cxx): Likewise.
14485 (gen_compile_unit_die): Use new language types for Objective-C and
14487 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14488 DW_LANG_C_plus_plus.
14491 * config/t-darwin (crt3.o): Work around bug 26840.
14492 * config/darwin-crt3.c: Rewrite.
14493 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14495 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14497 * doc/invoke.texi: Document -femit-class-debug-always
14498 * common.opt: Add -femit-class-debug-always.
14500 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14502 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14503 index and base register.
14504 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14505 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14506 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14507 REGNO_OK_FOR_INDEX_P.
14508 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14510 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14511 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14512 REG_OK_FOR_BASE_P): Definitions removed.
14514 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14516 PR middle-end/26611
14517 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14518 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14519 set yet or weren't marked as local yet.
14521 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14523 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14526 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14528 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14529 (rs6000_legitimate_small_data_p): Delete.
14530 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14531 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14532 and make static. Add forward declaration. Update uses.
14533 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14534 of offsettable_memref_p.
14535 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14536 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14538 2006-03-24 Jeff Law <law@redhat.com>
14540 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14541 around bug in immediate-use iterator.
14543 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14546 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14547 or __LITTLE_ENDIAN__.
14549 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14551 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14552 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14553 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14554 * config/sh/sh.opt (mdiv=): Amend description.
14555 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14556 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14557 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14558 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14559 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14560 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14561 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14562 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14563 TARGET_DIVIDE_CALL_FP.
14565 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14567 * haifa-sched.c (choose_ready): Fix type of the local variable.
14568 Move local variables. Add comment.
14569 (check_reg_live): Change signature. Make callable from debugger.
14570 * sched-int.h (check_reg_live): Update signature.
14571 * sched-ebb.c (check_reg_live): Update parameters.
14572 * sched-rgn.c (check_reg_live): Ditto.
14573 (region_head_or_leaf_p): Check pointer before dereferencing.
14574 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14575 before reload on optimization levels below 1.
14577 2006-03-23 Richard Henderson <rth@redhat.com>
14579 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14583 * config/alpha/predicates.md (local_symbolic_operand): Reject
14586 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14589 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14590 expressions which have overflowed constants.
14592 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14594 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14596 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14598 * cfgloopmanip.c (create_loop_notes): Removed.
14599 * final.c (final_scan_insn): Do not handle loop notes.
14600 * jump.c (squeeze_notes): Ditto.
14601 * cfglayout.c (skip_insns_after_block,
14602 duplicate_insn_chain): Ditto.
14603 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14605 * cfgloop.h (create_loop_notes): Declaration removed.
14607 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14609 * varasm.c (output_constant_pool): Restore fnname and fndecl
14611 (assemble_start_function): Adjust call accordingly.
14612 (assemble_end_function): Likewise.
14614 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14617 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14620 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14622 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14625 * system.h (ICE_EXIT_CODE): New macro.
14626 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14627 (diagnostic_action_after_output): Likewise.
14628 * gcc.c (fatal_ice): New function.
14629 (execute): Use it instead of fatal.
14630 (fancy_abort): Likewise.
14631 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14633 2006-03-22 Jeff Law <law@redhat.com>
14635 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14636 iv_analyze_result returning false.
14638 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14640 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14642 2006-03-22 Richard Henderson <rth@redhat.com>
14644 PR middle-end/26084
14645 * except.c (duplicate_eh_regions_0): New.
14646 (duplicate_eh_region_1): Duplicate the children of the node as
14647 well as the node itself. Link them up properly.
14648 (duplicate_eh_region_2): Merge into ...
14649 (duplicate_eh_regions): ... here. Take copy_region argument, and
14650 copy only a sub-tree if asked. Simplify copying and fixup.
14651 (eh_region_outer_p): New.
14652 * except.h (duplicate_eh_regions): Update decl.
14653 (eh_region_outer_p): Declare.
14654 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14655 (lower_omp_master): Likewise.
14656 (lower_omp_ordered): Likewise.
14657 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14658 (move_stmt_r): Use it to remap labels. Handle recursion vs
14659 remap_decls_p properly.
14660 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14661 (find_outermost_region_in_block): New.
14662 (new_label_mapper): New.
14663 (move_sese_region_to_fn): Copy eh information to the new function
14665 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14667 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14670 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14672 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14673 into shared libraries.
14675 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14677 * doc/md.texi: Refer to i386/constraints.md instead of
14678 i386/predicates.md.
14679 * config/i386/constraints.md: New file, extracted from...
14680 * config/i386/predicates.md: ...here.
14681 * config/i386/i386.md: Include constraints.md.
14683 2006-03-21 Jason Merrill <jason@redhat.com>
14685 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14687 PR middle-end/20297
14688 * expr.c (init_block_move_fn): Force default visibility.
14689 (init_block_clear_fn): Likewise.
14690 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14691 * targhooks.c (default_external_stack_protect_fail): Likewise.
14693 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14695 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14696 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14697 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14698 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14699 (loadgp): Use mips_current_loadgp_style.
14700 (loadgp_noshared): New pattern.
14701 (sibcall_internal): Use MIPS_CALL.
14702 (sibcall_value_internal): Likewise.
14703 (sibcall_value_multiple_internal): Likewise.
14704 (call_internal): Likewise.
14705 (call_value_internal): Likewise.
14706 (call_value_multiple_internal): Likewise.
14707 (call_split): Use MIPS_CALL and add an 'S' constraint.
14708 (call_value_split): Likewise.
14709 (call_value_multiple_split): Likewise.
14710 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14711 (-mshared): New option.
14712 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14713 (mips_current_loadgp_style): Declare.
14714 * config/mips/mips.c (mips_classify_symbol): Avoid using
14715 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14716 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14717 TARGET_ABSOLUTE_ABICALLS.
14718 (override_options): Adjust comments. Improve the warning that is
14719 issued when -mabicalls and -G are used together.
14720 (mips_file_start): Remove comment.
14721 (mips_current_loadgp_style): New function.
14722 (mips_gnu_local_gp): New variable.
14723 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14725 (mips_output_function_prologue): Use mips_current_laodgp_style.
14726 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14727 the cprestore instruction.
14728 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14729 live for TARGET_ABSOLUTE_ABICALLS.
14730 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14731 (ASM_SPEC): Pass down -mshared and -mno-shared.
14732 (MIPS_CALL): New macro.
14733 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14735 * doc/invoke.texi (-mabicalls): Update documentation.
14736 (-mshared): Document.
14738 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14740 * config/ia64/unwind-hpux.c: New file.
14741 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14743 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14746 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14748 2006-03-21 Jeff Law <law@redhat.com>
14750 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14751 type conversions of a VR_VARYING source to a wider type.
14753 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14755 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14756 tm_file on Solaris 10 and later.
14757 (sparc64-*-solaris2*): Likewise.
14758 (sparc-*-solaris2*): Likewise.
14759 * config/sol26.h: Rename to config/sol2-6.h.
14760 * config/sol2-10.h: New file.
14762 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14765 * tree-ssa-pre.c (create_component_ref_by_pieces):
14768 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14771 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14772 return it immediately.
14774 2006-03-21 Michael Matz <matz@suse.de>
14776 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14778 (remove_arc, add_arc): Update num_out_arcs member.
14779 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14781 (cache_presence): New function.
14782 (compare_states_for_equiv): New function.
14783 (state_is_differed): Don't take number of outargs, adjust callers.
14784 Use new invariant for speeding up.
14785 (init_equiv_class): Create initial classes based on sorted
14787 (partition_equiv_class): Don't track out_arcs_num.
14788 (evaluate_equiv_classes): Call cache_presence on all states and
14791 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14793 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14794 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14795 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14796 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14798 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14799 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14800 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14801 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14802 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14804 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14805 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14806 (REGNO_REG_CLASS): ARGP is in PREGS.
14807 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14809 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14810 to deal with those addresses.
14811 * addresses.h: New file.
14812 * caller-save.c: Include "addresses.h".
14813 (init_caller_save): Use new base_reg_class function.
14814 * rtl-factoring.c: Include "addresses.h".
14815 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14816 * recog.c: Include "addresses.h".
14817 (preprocess_constraints): Use new base_reg_class function.
14818 * regrename.c: Include "addresses.h".
14819 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14820 functions. Keep track of a new var INDEX_CODE to compute valid
14822 (replace_oldest_value_addr): Likewise.
14823 (replace_oldest_value_mem): Use base_reg_class.
14824 * reload.c: Include "addresses.h".
14825 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14826 (find_reloads): Use new base_reg_class function.
14827 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14828 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14829 all callers and prototype changed.
14830 * reload1.c: Include "addresses.h".
14831 (maybe_fix_stack_asms): Use base_reg_class.
14832 * regclass.c: Include "addresses.h".
14833 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14834 (init_reg_autoinc): Use new base_reg_class function.
14835 (record_reg_classes): Likewise.
14836 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14837 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14838 Use new args to compute necessary class.
14840 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14841 regrename.o, rtl-factoring.o): Update dependencies.
14842 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14843 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14844 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14845 REG_OK_FOR_INDEX_P): Delete documentation.
14847 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14849 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14850 from V7 to V9 for Solaris 7 and above.
14852 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14854 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14855 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14856 argument pointers may not alias any other storage.
14857 * common.opt: Define option -fargument-noalias-anything.
14858 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14859 alias semantics is specified by flag_argument_noalias > 2.
14861 2006-03-20 Jeff Law <law@redhat.com>
14863 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14864 (pass_phi_only_cprop): Declare.
14865 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14866 with phi_only_cprop
14867 * tree-ssa-dom.c (degenerate_phi_result): New function.
14868 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14869 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14870 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14871 (eliminate_degenerate_phis): Likewise.
14872 (pass_phi_only_cprop): New pass descriptor.
14873 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14874 support code. Callers updated.
14875 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14876 (store_copy_prop): Likewise.
14877 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14879 2006-03-20 Jason Merrill <jason@redhat.com>
14882 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14883 (push_visibility, pop_visibility): Likewise.
14884 * c-pragma.h: Declare them.
14886 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14888 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14890 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14891 parameter and use get_ebb_head_tail.
14892 (sh_md_init_global): Adjust uses of find_regmode_weight.
14894 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14896 * function.h (struct function) <x_tail_recursion_reentry>:
14897 Rename to x_stack_check_probe_note.
14898 (tail_recursion_reentry): Rename to stack_check_probe_note.
14899 * function.c: Replace tail_recursion_reentry with
14900 stack_check_probe_note everywhere.
14901 (expand_function_start): Only emit a note for
14902 stack_check_probe_note with -fstack-protect.
14903 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14905 * emit-rtl.c (remove_unnecessary_notes): Remove.
14906 (pass_remove_unnecessary_notes): Remove.
14907 * rtl.h (remove_unnecessary_notes): Remove prototype.
14908 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14909 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14910 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14912 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14915 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14916 (valid_in_set): Handle ARRAY_REF.
14917 Change "if min_variant or VH" to asserts.
14918 (create_component_ref_by_pieces): Handle ARRAY_REF.
14919 (create_expression_by_pieces): Likewise.
14920 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14922 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14924 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14925 is operand of switch, not str[0].
14927 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14929 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14930 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14932 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14934 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14935 end of insn_extra_address_constraint declaration.
14937 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14939 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14940 (no-sum-in-toc): Same.
14941 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14943 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14944 NO_FP_IN_TOC for -fPIC instead of mask.
14946 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14947 (BOOT_LDFLAGS): Delete.
14949 * config/rs6000/t-aix52: Same.
14951 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14952 (stmsi[345678]_power): New.
14954 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14956 * config/ia64/ia64.opt: Add empty line to end of file.
14958 2006-03-17 Richard Guenther <rguenther@suse.de>
14960 PR middle-end/26721
14961 * builtins.c (get_pointer_alignment): For component style references
14962 adjust alignment to the component type alignment. Make sure
14963 to adjust alignment for component access of constants.
14965 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14967 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14968 unconditional jump.
14970 2006-03-17 Paul Brook <paul@codesourcery.com>
14972 * doc/install.texi: Docuemnt --with-mode.
14973 * config.gcc: Add --with-mode for arm*-*-*.
14974 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14976 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14978 * sh.c (max_labelno_before_reorg): New variable.
14979 (sh_reorg): Initialize it.
14980 (find_barrier): Check max_labelno_before_reorg before using
14981 label_to_alignment. Take length of explicit alignment insns
14982 into account. When seeing a UNSPECV_CONST_END, return it.
14984 * sh.c (fixup_mova): Set mode of affected label to QImode.
14985 (untangle_mova): New function.
14986 (find_barrier): Use it. Check mode of label before decrementing
14988 (sh_reorg): Likewise.
14989 Set mode of all insns back to VOIDmode.
14991 * sh.c (MOVA_LABELREF): New macro.
14992 (mova_p, fixup_mova, sh_reorg): Use it.
14993 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14994 ADDR_DIFF_VEC matches mova.
14996 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14998 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14999 with ATTRIBUTE_UNUSED.
15001 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15003 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15004 pointer, instead of assuming it is possible to derive the
15005 correct args size from a call insn.
15007 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15009 * rtl.h (CONST_INT_P): Define.
15010 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15011 instead of GET_CODE(x) == CONST_INT.
15012 (vax_rtx_costs): Likewise.
15013 (vax_output_int_move): Likewise.
15014 (vax_output_int_add): Likewise.
15015 (legitimate_constant_address_p): Likewise.
15016 (index_term_p): Likewise.
15017 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15018 * config/vax/vax.md (and<mode>3): Likewise.
15019 (ashrsi3): Likewise.
15021 (movstricthi): Likewise.
15022 (movstrictqi): Likewise.
15023 (rotrsi3): Likewise.
15024 (five unnamed insns): Likewise.
15026 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15028 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15029 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15030 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15031 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15032 Pass to ASM_OUTPUT_DWARF_OFFSET.
15033 * dwarf2out.c (debug_frame_section): New.
15034 (output_call_frame_info): Use debug_frame_section. Pass it to
15035 dw2_asm_output_offset.
15036 (output_die): Pass appropriate section to dw2_asm_output_offset.
15037 (output_compilation_unit_header): Likewise.
15038 (output_pubnames): Likewise.
15039 (output_aranges): Likewise.
15040 (enum dw_val_class): Break dw_val_class_lbl_offset into
15041 dw_val_class_lineptr and dw_val_class_macptr.
15042 (add_AT_lbl_offset): Delete.
15043 (add_AT_lineptr): New.
15044 (add_AT_macptr): New.
15045 (AT_lbl): Expect a lineptr or macptr.
15046 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15047 (attr_checksum): Likewise.
15048 (same_dw_val_p): Likewise.
15049 (size_of_die): Likewise.
15050 (value_format): Likewise.
15051 (output_die): Likewise.
15052 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15054 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15055 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15056 * config/darwin-protos.h (darwin_file_start): New.
15057 (darwin_asm_output_dwarf_offset): New.
15058 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15059 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15061 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15062 if not EH section; simplify.
15063 (darwin_file_start): New.
15064 (darwin_asm_output_dwarf_offset): New.
15065 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15067 (DEBUG_INFO_SECTION): Likewise.
15068 (DEBUG_ABBREV_SECTION): Likewise.
15069 (DEBUG_ARANGES_SECTION): Likewise.
15070 (DEBUG_MACINFO_SECTION): Likewise.
15071 (DEBUG_LINE_SECTION): Likewise.
15072 (DEBUG_LOC_SECTION): Likewise.
15073 (DEBUG_PUBNAMES_SECTION): Likewise.
15074 (DEBUG_STR_SECTION): Likewise.
15075 (DEBUG_RANGES_SECTION): Likewise.
15076 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15077 (ASM_OUTPUT_DWARF_OFFSET): New.
15079 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15081 * config.gcc (tm_defines): Always add to previous value rather
15084 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15086 * config/mips/predicates.md (splittable_const_int_operand): New,
15087 split from move_operand.
15088 (splittable_symbolic_operand): New.
15089 (move_operand): Add commentary. Use splittable_const_int_operand.
15090 Inline mips_atomic_symbolic_constant_p.
15091 * config/mips/mips.md: Add combine splitters for handling moves
15092 of splittable_const_int_operands and splittable_symbolic_operands.
15093 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15094 (mips_split_symbol): Declare.
15095 (mips_move_integer): Declare.
15096 * config/mips/mips.c (mips_split_p): Make global.
15097 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15098 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15099 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15100 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15101 (mips_offset_within_object_p): Handle block symbols.
15102 (mips_atomic_symbolic_constant_p): Delete.
15103 (mips_cannot_force_const_mem): Return false for constants that
15104 mips_legitimize_move can handle.
15105 (mips_use_blocks_for_constant_p): New function.
15106 (mips_split_symbol): Make global.
15107 (mips_move_integer): Likewise. Add a temporary register argument.
15108 (mips_legitimize_const_move): Use splittable_const_int_operand and
15109 splittable_symbolic_operand.
15110 (mips_use_anchors_for_symbol_p): New function.
15111 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15112 (mips_split_p): Declare.
15114 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15116 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15117 (mips*-*-linux*): Likewise.
15119 2006-03-16 Roger Sayle <roger@eyesopen.com>
15120 Daniel Speyer <dspeyer@wam.umd.edu>
15122 PR middle-end/18259
15123 * tree-dump.c (dump_real): New function.
15124 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15125 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15126 (tree-dump.o): Add $(REAL_H) to the dependencies.
15128 2006-03-16 Roger Sayle <roger@eyesopen.com>
15130 PR middle-end/21781
15131 * real.c (real_from_string): If the mantissa is zero, don't bother
15132 parsing the exponent as the result should always be zero.
15134 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15136 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15138 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15140 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15141 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15142 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15143 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15144 ia64_sched_finish_global): New static functions to implement
15145 hooks from gcc_target.sched.
15146 (spec_check_no, max_uid, pending_data_specs): New static variables.
15147 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15148 ia64_spec_check_src_p): New static functions.
15149 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15150 (TARGET_SCHED_ADJUST_COST): Removed.
15151 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15152 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15153 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15154 TARGET_SCHED_GEN_CHECK,
15155 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15156 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15157 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15158 Fixed to handle speculation checks.
15159 (rtx_needs_barrier): Fixed to handle speculative loads and
15161 (ia64_variable_issue): Added code to count speculative loads and their
15163 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15165 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15167 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15169 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15170 (ia64_reorg): Reset stops_p to NULL after it is freed.
15171 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15172 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15173 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15175 (data_speculative, control_speculative, check_load): New attributes.
15176 (mov<mode>_advanced, mov<mode>_speculative,
15177 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15178 zero_extend<mode>di2_speculative,
15179 zero_extend<mode>di2_speculative_advanced): New patterns for
15180 data and control speculative loads.
15181 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15183 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15184 New pattern for data and control speculation checks.
15185 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15186 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15187 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15188 Auxiliary definitions for the patterns.
15189 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15190 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15192 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15194 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15195 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15196 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15197 New resource constraints.
15198 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15200 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15201 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15202 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15203 msched-in-control-spec, msched-ldc, msched-control-ldc,
15204 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15205 msched-prefer-non-control-spec-insns,
15206 msched-count-spec-in-critical-path): New flags to tune speculative
15208 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15209 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15210 msched-in-control-spec, msched-ldc, msched-control-ldc,
15211 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15212 msched-prefer-non-control-spec-insns,
15213 msched-count-spec-in-critical-path): Document new flags.
15215 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15217 * target.h (struct spec_info_def): New opaque declaration.
15218 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15219 speculate_insn, needs_block_p, gen_check,
15220 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15221 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15222 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15223 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15224 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15225 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15227 (TARGET_SCHED): Use new macros.
15228 * rtl.h (copy_DEPS_LIST_list): New prototype.
15229 * sched-int.h (struct sched_info): Change signature of new_ready field,
15230 adjust all initializations. New fields: add_remove_insn,
15231 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15232 region_head_or_leaf_p.
15233 (struct spec_info_def): New structure declaration.
15234 (spec_info_t): New typedef.
15235 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15236 recovery_block, orig_pat.
15237 (glat_start, glat_end): New variables declaraions.
15238 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15240 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15241 DETACH_LIFE_INFO, USE_GLAT.
15242 (enum SPEC_SCHED_FLAGS): New enumeration.
15243 (NOTE_NOTE_BB_P): New macro.
15244 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15245 attach_life_info, debug_spec_status, check_reg_live): New functions.
15246 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15247 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15249 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15250 * ddg.c (get_block_head_tail): Adjust all uses.
15251 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15252 (sms_sched_info): Initialize new fields.
15253 (contributes_to_priority): Removed.
15254 * haifa-sched.c (params.h): New include.
15255 (get_block_head_tail): Adjust all uses.
15256 (ISSUE_POINTS): New macro.
15257 (glat_start, glat_end): New global variables.
15258 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15259 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15260 old_last_basic_block, before_recovery, current_sched_info_var,
15261 rgn_n_insns, luid): New static variables.
15262 (insn_cost1): New function. Move logic from insn_cost to here.
15263 (find_insn_reg_weight1): New function. Move logic from
15264 find_insn_reg_weight to here.
15265 (reemit_notes, move_insn, max_issue): Change signature.
15266 (move_insn1): Removed.
15267 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15268 extend_bb): New static functions to support extension of scheduler's
15270 (generate_recovery_code, process_insn_depend_be_in_spec,
15271 begin_speculative_block, add_to_speculative_block,
15272 init_before_recovery, create_recovery_block, create_check_block_twin,
15273 fix_recovery_deps): New static functions to support
15274 generation of recovery code.
15275 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15276 restore_bb_notes, move_block_after_check, move_succs): New static
15277 functions to support ebb scheduling.
15278 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15279 functions to support handling of register live information.
15280 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15281 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15282 add_jump_dependencies): New static functions.
15283 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15284 consistancy checking.
15285 (debug_spec_status): New function to call from debugger.
15286 (priority): Added code to handle speculation checks.
15287 (rank_for_schedule): Added code to distinguish speculative instructions.
15288 (schedule_insn): Added code to handle speculation checks.
15289 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15290 Fixed to handle ebbs.
15291 (move_insn): Added code to handle ebb scheduling.
15292 (max_issue): Added code to use ISSUE_POINTS of instructions.
15293 (choose_ready): Added code to choose between speculative and
15294 non-speculative instructions.
15295 (schedule_block): Added code to handle ebb scheduling and scheduling of
15296 speculative instructions.
15297 (sched_init): Initialize new variables.
15298 (sched_finish): Free new variables. Print statistics.
15299 (try_ready): Added code to handle speculative instructions.
15300 * lists.c (copy_DEPS_LIST_list): New function.
15301 * sched-deps.c (extend_dependency_caches): New function. Move logic
15302 from create_dependency_caches to here.
15303 (get_dep_weak, ds_merge): Make global.
15304 * genattr.c (main): Code to output prototype for
15305 dfa_clear_single_insn_cache.
15306 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15307 (output_dfa_clean_insn_cache_func): Code to output
15308 dfa_clear_single_insn_cache function.
15309 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15311 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15313 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15314 New static variables.
15315 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15316 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15318 (ebb_sched_info): Initialize new fields.
15319 (get_block_head_tail): Adjust all uses.
15320 (compute_jump_reg_dependencies): Fixed to use glat_start.
15321 (schedule_ebb): Code to remove unreachable last block.
15322 (schedule_ebbs): Added code to update register live information.
15323 * sched-rgn.c (region_sched_info): Initialize new fields.
15324 (get_block_head_tail): Adjust all uses.
15325 (last_was_jump): Removed. Adjust users.
15326 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15327 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15328 Implement new hooks.
15329 (check_dead_notes1): New static function.
15330 (struct region): New fields: dont_calc_deps, has_real_ebb.
15331 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15332 (BB_TO_BLOCK): Fixed to handle EBBs.
15333 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15334 (ebb_head): New static variable.
15335 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15336 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15338 (compute_dom_prob_ps): New assertion.
15339 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15340 global_live_at_start.
15341 (init_ready_list): New assertions.
15342 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15343 (new_ready): Add support for BEGIN_CONTROL speculation.
15344 (schedule_insns): Fixed code that updates register live information
15346 (schedule_region): Fixed to handle EBBs.
15347 (init_regions): Use extend_regions and check_dead_notes1.
15348 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15349 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15350 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15351 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15352 TARGET_SCHED_GEN_CHECK,
15353 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15354 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15355 * doc/invoke.texi (max-sched-insn-conflict-delay,
15356 sched-spec-prob-cutoff): Document.
15358 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15360 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15361 inter_tick, queue_index.
15362 (struct sched_info): Change signature of init_ready_list field.
15363 Adjust all initializations.
15364 (RESOLVED_DEPS): New access macro.
15365 (ready_add): Remove prototype.
15366 (try_ready): Add prototype.
15367 * sched-rgn.c (init_ready_list): Use try_ready.
15368 (schedule_region): Initialize
15369 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15370 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15371 (init_ready_list): Use try_ready.
15372 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15373 * lists.c (remove_list_elem): Remove `static'.
15374 (remove_free_INSN_LIST_elem): New function.
15375 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15376 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15377 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15379 (readyp): New variable.
15380 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15381 change_queue_index, resolve_dep): New static functions.
15382 (try_ready): New function. Adjust callers in sched-rgn.c and
15383 sched-ebb.c to use it instead of ready_add.
15384 (clock_var): Move at the begining of file.
15385 (rank_for_schedule): Fix typo.
15386 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15387 (ready_lastpos): Enforce assertion.
15388 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15389 update all callers.
15390 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15391 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15392 (queue_to_ready): Use free_INSN_LIST_list.
15393 (early_queue_to_ready): Fix typo.
15394 (schedule_block): Init readyp. Move init_ready_list call after the
15395 initialization of clock_var. Fix error in rejecting insn by
15396 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15397 that previously corrected INSN_TICKs. Add code for handling
15399 (set_priorities): Fix typo.
15400 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15401 Clarify comment and code that keeps current_sched_info->next_tail
15404 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15406 * sched-rgn.c (extend_rgns): New static function.
15407 (find_rgns): Use it.
15408 (gather_region_statistics, print_region_statistics): New static
15410 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15411 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15413 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15414 Andrey Belevantsev <abel@ispras.ru>
15416 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15417 * lists.c (unused_deps_list): New variable.
15418 (free_list): Add assertions to verify the proper distinguishing
15419 between INSN_LISTs and DEPS_LISTs.
15420 (find_list_elem, remove_list_elem, remove_list_node): New static
15422 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15423 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15424 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15425 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15427 (free_INSN_LIST_node): Likewise.
15428 * modulo-sched.c (current_sched_info): Initialize flags field.
15429 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15430 * rtl.def (DEPS_LIST): Define.
15431 * rtl.h: Declare new functions from lists.c.
15432 * sched-deps.c (spec_dependency_cache): New static variable.
15433 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15434 (add_dependence): Change return type to void. Move the logic to ...
15435 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15436 (delete_all_dependences): Add comment about forward_dependency_cache.
15437 Handle spec_dependency_cache. Handle DEPS_LISTs.
15438 (fixup_sched_groups): Clarify the change of priority of output
15439 and anti dependencies.
15440 (sched_analyze_2): Adjust add_dependence calls to create data
15441 speculative dependence.
15442 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15443 Adjust all callers. Handle DEPS_LISTS.
15444 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15445 presence of speculation.
15446 (init_dependency_caches, free_dependency_caches):
15447 Handle spec_dependency_cache.
15448 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15449 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15450 New static functions.
15451 (add_or_update_back_dep, add_or_update_back_forw_dep,
15452 add_back_forw_dep, delete_back_forw_dep): New functions.
15453 * sched-int.h (ds_t, dw_t): New typedefs.
15454 (struct sched_info): Add new field flags.
15455 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15456 Prototype new sched-deps.c functions.
15457 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15458 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15459 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15460 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15461 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15462 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15464 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15466 * sched-rgn.c (current_sched_info): Initialize flags field.
15467 (schedule_insns): Initialize current_sched_info before the sched_init
15469 * sched-ebb.c (current_sched_info): Initialize flags field.
15470 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15471 Call add_or_update_back_dep instead of add_dependence.
15472 Create control speculative dependencies.
15473 (schedule_insns): Initialize current_sched_info before the sched_init
15476 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15478 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15480 (sh_fallback_frame_state): Likewise.
15482 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15484 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15485 Do switch on default_use_cxa_atexit.
15486 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15487 * config/darwin-crt3.o: New.
15488 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15489 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15490 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15492 * config/rs6000/t-darwin: Move crt2.o building to here.
15493 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15494 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15497 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15499 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15500 from '! xxx' to '!xxx' for coding-style conformance.
15501 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15502 (EXTRA_CONSTRAINT): Likewise.
15503 * config/vax/vax.md (four unnamed insns): Likewise.
15505 2006-03-15 Paul Brook <paul@codesourcery.com>
15507 * config/arm/arm.c (minipool_pad): New.
15508 (add_minipool_forward_ref): Include pool alignment padding in address
15510 (push_minipool_fix): Set minipool_pad.
15511 (minipool_pad): Ditto.
15513 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15515 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15516 instead of GET_CODE() == MEM and REG_P() instead of
15518 (print_operand_address): Likewise.
15519 (vax_address_cost): Likewise.
15520 (vax_rtx_costs): Likewise.
15521 (vax_notice_update_cc): Likewise.
15522 (vax_output_int_add): Likewise.
15523 (INDEX_REGISTER_P): Likewise.
15524 (BASE_REGISTER_P): Likewise.
15525 (nonindexed_address_p): Likewise.
15526 (vax_mode_dependent_address_p): Likewise.
15527 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15528 (PRINT_OPERAND): Likewise.
15529 * config/vax/vax.md (ashlsi3): Likewise.
15530 (ashlsi3): Likewise.
15531 (some more unnamed insns): Likewise.
15533 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15535 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15536 iterator-style macro.
15537 (mark_control_dependent_edges_necessary): Update the use of
15538 EXECUTE_IF_CONTROL_DEPENDENT.
15540 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15542 * config/sh/predicates.md (cache_address_operand): Special.
15543 (ua_address_operand): Likewise.
15545 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15547 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15549 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15551 2006-03-15 Andreas Schwab <schwab@suse.de>
15553 * gensupport.c (identify_predicable_attribute): Don't free p_false
15554 when it is still in use.
15556 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15558 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15559 the default setting here.
15561 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15563 * tree-pass.h (pass_cfg): Remove.
15564 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15565 * passes.c (pass_cfg): Don't run it.
15567 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15569 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15570 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15572 (stack_regs_mentioned): Update the uses of
15573 stack_regs_mentioned_data. Don't access the array beyond its
15575 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15576 Don't include gt-reg-stack.h.
15578 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15579 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15581 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15583 PR middle-end/26684
15584 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15587 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15589 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15591 2006-03-14 Richard Guenther <rguenther@suse.de>
15593 PR tree-optimization/26672
15594 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15597 2006-03-14 Richard Guenther <rguenther@suse.de>
15599 PR tree-optimization/26667
15600 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15601 node for the callees. Always allow inlining if it will shrink
15604 2006-03-14 Richard Guenther <rguenther@suse.de>
15606 PR middle-end/26659
15607 * builtins.c (get_pointer_alignment): Prefer alignment
15608 information from decls over that from types.
15610 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15613 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15615 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15617 * config/rs6000/rs6000.opt (mdlmzb): New option.
15618 (msched-prolog, msched-epilog): Use Var not Mask.
15619 * doc/invoke.texi (-mdlmzb): Document.
15620 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15622 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15623 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15625 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15627 PR rtl-optimization/25739
15628 * bt-load.c (augment_live_range): Free tos pointer.
15630 * gensupport.c (identify_predicable_attribute): Free
15632 * gcov.c (create_file_names): Free name pointer.
15634 2006-03-13 Roger Sayle <roger@eyesopen.com>
15636 PR middle-end/26557
15637 * stmt.c (emit_case_nodes): Handle the case where the index is a
15638 CONST_INT, where the comparison mode is specified by the index type.
15640 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15642 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15645 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15647 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15648 (*branch_fp_inverted): Likewise.
15650 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15652 PR middle-end/25989
15653 * omp-low.c (expand_omp_for_generic): Mark istart0
15654 and iend0 as addressable.
15656 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15658 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15660 2006-03-13 Jeff Law <law@redhat.com>
15662 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15663 virtual operands are interesting.
15664 (vrp_visit_stmt): Corresponding changes.
15666 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15668 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15670 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15671 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15672 * config/bfin/crti.S: Use it instead of __PIC__.
15673 * config/bfin/crtn.S: Likewise.
15675 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15676 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15678 Lose 'G' modifier for call operand.
15679 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15680 recognize 'G' modifier.
15682 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15684 PR middle-end/18859
15685 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15686 * stmt.c (expand_case): Likewise.
15688 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15690 PR rtl-optimization/26254
15691 * loop-invariant.c (seq_insns_valid_p): New function.
15692 (move_invariant_reg): Only emit new code if it is valid.
15694 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15696 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15698 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15699 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15700 (commit_one_edge_insertion): Do not look for loop notes.
15702 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15704 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15705 flag_test_coverage out of loop.
15707 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15709 * final.c (shorten_branches): Remove outdated comment, and turn
15710 the if branch that guards it to continue.
15712 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15714 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15715 * cfgloop.h (struct loop): Remove unused fields.
15717 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15719 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15720 (-dL, -fdump-rtl-loop2): Update the dump file names
15722 * doc/invoke.texi: Update dump file names.
15724 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15726 * predict.c (estimate_probability): Remove.
15727 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15728 * basic-block.h (estimate_probability): Remove prototype.
15729 * passes.c (finish_optimization_passes): Dump branch prediction or
15730 profiling heuristics to the .profile tree dump.
15731 (init_optimization_passes): Unqueue pass_branch_prob.
15733 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15735 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15737 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15738 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15740 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15742 * function.h (frame_offset_overflow): Declare.
15743 * function.c (frame_offset_overflow): New function.
15744 (assign_stack_local_1): Call it to detect that the offset overflows.
15745 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15747 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15749 * config/sh/sh.c: Include alloc-pool.h.
15750 (label_ref_list_pool): New alloc pool.
15751 (label_ref_list_t): New type for lists of labels.
15752 (struct pool_node): Make wend a label_ref_list_t.
15753 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15755 (dump_table): Likewise.
15756 (sh_reorg): Set up the alloc pool before using add_constant and
15757 dump_table, and destroy it when finishing.
15759 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15761 * config/mips/mips.c: Remove redundant comment.
15763 2006-03-10 Jason Merrill <jason@redhat.com>
15766 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15767 the target was declared 'register'.
15769 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15771 * genpreds.c (write_insn_constraint_len): Change definition of
15772 insn_constraint_len to return size_t to match the declaration.
15774 2006-03-10 DJ Delorie <dj@redhat.com>
15776 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15778 (m32c_expand_insv): Fix test for an AND mask.
15780 2006-03-10 Richard Guenther <rguenther@suse.de>
15782 PR middle-end/26565
15783 * builtins.c (get_pointer_alignment): Handle component
15784 references for field alignment.
15786 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15788 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15789 when building with libgloss.
15790 (sh*elf): Implement --without-fp option.
15791 (sh64-superh-linux*): Don't multilib.
15793 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15795 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15797 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15799 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15800 Set it when one of the replacement functions returned true.
15801 Return TODO_cleanup_cfg if cfgchanged is true.
15802 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15804 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15806 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15807 instead of gen_lowpart.
15809 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15811 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15813 (mips_output_order_conditional_branch): Declare.
15814 * config/mips/mips.h (MIPS_BRANCH): New macro.
15815 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15816 for the comparison. Use gen_condjump.
15817 (mips_output_conditional_branch): Rework interface to take the
15818 asm templates for a direct branch and the inverse of a direct branch.
15819 (mips_output_order_conditional_branch): New function.
15820 (mips_builtin_branch_and_move): New function.
15821 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15822 branch condition. Use gen_single_cc as the condition for
15823 __builtin_mips_upper_* or __builtin_mips_lower_*.
15824 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15825 Use VOIDmode for the branch condition.
15826 * config/mips/predicates.md (order_operator): New predicate.
15827 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15828 (branch_fp): Rename to...
15829 (*branch_fp): ...this. Remove mode from comparison operator.
15830 Use new mips_output_conditional_branch interface.
15831 (branch_fp_inverted): Rename to...
15832 (*branch_fp_inverted): ...this and update as for *branch_fp.
15833 (*branch_zero<mode>): Rename to...
15834 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15835 Use mips_output_order_conditional_branch. Only accept ordered
15837 (*branch_zero<mode>_inverted): Rename to...
15838 (*branch_order<mode>_inverted): ...this and update as for
15839 *branch_order<mode>.
15840 (*branch_equality<mode>): Accept zero as the second operand to
15841 the equality operator. Use the new mips_output_conditional_branch
15843 (*branch_equality<mode>_inverted): Likewise.
15844 (condjump): New expander.
15845 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15847 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15848 (bc1any2t, bc1any2f): Likewise.
15849 (single_cc): New expander.
15850 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15852 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15854 * doc/md.texi: Update documentation of MIPS constraints.
15855 * config/mips/constraints.md: New file.
15856 * config/mips/mips.md: Include it.
15857 * config/mips/mips.c (mips_char_to_class): Delete.
15858 (override_options): Don't initialize mips_char_to_class.
15859 * config/mips/mips.h (mips_char_to_class): Delete.
15860 (REG_CLASS_FROM_LETTER): Delete.
15861 (CONST_OK_FOR_LETTER_P): Delete.
15862 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15863 (EXTRA_CONSTRAINT_Y): Delete.
15864 (EXTRA_CONSTRAINT_STR): Delete.
15865 (CONSTRAINT_LEN): Delete.
15866 (EXTRA_MEMORY_CONSTRAINT): Delete.
15868 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15870 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15871 original fn's eh regions.
15873 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15875 * fold-const.c (build_range_check): Make sure to use a valid type to
15876 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15879 (range_predecessor): New static function.
15880 (range_successor): Likewise.
15881 (merge_ranges): Use them to compute predecessors and successors of
15884 2006-03-09 Roger Sayle <roger@eyesopen.com>
15886 PR middle-end/26561
15887 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15888 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15890 2006-03-08 DJ Delorie <dj@redhat.com>
15892 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15893 (addpsi3): Expand to include memory operands. Remove
15894 reload-specific splits.
15895 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15896 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15897 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15898 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15899 (shift1_qi, shift1_hi, insv): New.
15900 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15901 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15902 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15904 * config/m32c/m32c-protos.h: Update as needed.
15905 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15906 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15907 Fail for unrecognized R* constraints.
15908 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15909 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15910 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15912 (m32c_init_libfuncs): New.
15913 (m32c_legitimate_address_p): Add debug wrapper.
15914 (m32c_rtx_costs): New.
15915 (m32c_address_cost): New.
15916 (conversions): Add 'B' prefix.
15917 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15918 operands, or word regnames for QI operands. 'B' prints bit
15920 (m32c_expand_setmemhi): New.
15921 (m32c_expand_movmemhi): New.
15922 (m32c_expand_movstr): New.
15923 (m32c_expand_cmpstr): New.
15924 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15925 (m32c_expand_neg_mulpsi3): Handle non-ints.
15926 (m32c_cmp_flg_0): New.
15927 (m32c_expand_movcc): New.
15928 (m32c_expand_insv): New.
15929 (m32c_scc_pattern): New.
15930 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15931 a0/a1 out of SIregs.
15932 (STORE_FLAG_VALUE): New.
15933 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15936 * config/m32c/mov.md: Make constraints more liberal.
15937 (zero_extendqihi2): Optimize r0/r1 case.
15938 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15939 * config/m32c/predicates.md (m32c_any_operand): New.
15940 (m32c_nonimmediate_operand): New.
15941 (m32c_hl_operand): New.
15942 (m32c_r3_operand): New.
15945 (memsym_operand): New.
15946 (memimmed_operand): New.
15947 (a_qi_operand): New.
15948 (m32c_eqne_operator): New.
15949 (m32c_1bit8_operand): New.
15950 (m32c_1bit16_operand): New.
15951 (m32c_1mask8_operand): New.
15952 (m32c_1mask16_operand): New.
15953 * config/m32c/blkmov.md: New file.
15954 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15956 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15958 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15959 unsigned to fix signed/unsigned comparison issue in
15960 DWARF2_FRAME_REG_OUT.
15961 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15962 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15964 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15965 of ptr into the ENABLE_CHECKING section.
15967 2006-03-08 Jeff Law <law@redhat.com>
15969 * tree-vrp.c (infer_value_range): Only count pointer uses
15970 and dereferences if -fdelete-null-pointer-checks is enabled.
15972 * tree-vrp.c (find_assert_locations): Infer value ranges for
15973 single use pointers, but do not create ASSERT_EXPRs for them.
15974 When a non-null range is inferred for a pointer, backwards
15975 propagate that range to other equivalent pointers through the
15978 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15981 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15982 language hook targets.
15983 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15984 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15985 if language hook targets were missing.
15987 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15989 * tree-ssa-opfinalize.h: Removed.
15990 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15992 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15993 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15994 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15995 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15996 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15997 finalize_ssa_v_must_def_ops): New.
15999 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16001 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16002 block as parameter.
16004 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16006 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16008 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16009 addresses with offsets; reorganize.
16011 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16012 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16013 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16015 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16018 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16020 2006-03-08 Ben Elliston <bje@au.ibm.com>
16022 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16024 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16027 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16030 2006-03-07 Richard Guenther <rguenther@suse.de>
16032 PR tree-optimization/26587
16033 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16035 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16037 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16039 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16041 * hooks.c (hook_bool_mode_rtx_true): New function.
16042 * hooks.h (hook_bool_mode_rtx_true): Declare.
16043 * toplev.c (compile_file): Call output_shared_constant_pool.
16044 * varasm.c (shared_constant_pool): New variable.
16045 (assemble_start_function, assemble_end_function): Remove arguments
16046 from call to output_constant_pool.
16047 (create_constant_pool): New function, split out from...
16048 (init_varasm_status): ...here.
16049 (force_const_mem): Choose between the shared and per-function constant
16050 pools. Set current_function_uses_const_pool when reusing old entries
16051 as well as when creating new ones.
16052 (mark_constant): Ignore data argument.
16053 (mark_constants): Remove pool argument.
16054 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16055 to decide whether the function uses a constant pool.
16056 (output_constant_pool_contents): New function, split out from...
16057 (output_constant_pool): ...here.
16058 (output_shared_constant_pool): New function.
16059 (init_varasm_once): Initialize shared_constant_pool.
16060 * output.h (output_constant_pool): Delete.
16061 (output_shared_constant_pool): Declare.
16062 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16063 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16065 2006-03-06 Nick Clifton <nickc@redhat.com>
16067 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16068 flag_strength_reduce.
16070 2006-03-06 Ben Elliston <bje@au.ibm.com>
16072 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16073 x86_64-*-linux* configurations.
16075 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16076 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16078 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16080 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16082 * basic-block.h: Remove the extern for
16083 rediscover_loops_after_threading.
16085 * cfgloop.c (cancel_loop): Make it static.
16086 * cfgloop.h: Remove the prototype for cancel_loop.
16088 * flow.c (recompute_reg_usage): Make it static.
16089 * rtl.h: Remove the prototype for recompute_reg_usage.
16091 * function.c (use_return_register): Make it static.
16092 * function.h: Remove the prototype.
16094 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16096 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16098 * recog.h: Remove the prototype for
16099 validate_change_maybe_volatile.
16101 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16103 * rtlanal.c (replace_reg): Remove.
16104 * rtl.h: Remove the prototype for replace_reg.
16106 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16108 * regclass.c (reg_scan_update): Remove.
16109 (reg_scan_mark_refs): Remove the last argument.
16110 * rtl.h: Remove the prototype for reg_scan_update.
16112 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16114 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16115 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16116 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16117 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16118 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16119 loop-invariant.c, omp-low.c, opts.c, passes.c,
16120 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16121 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16122 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16123 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16124 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16125 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16127 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16129 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16130 * dwarf2out.h: Remove the prototype for
16131 dwarf2out_add_library_unit_info.
16133 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16135 * tree.c (add_var_to_bind_expr): Remove.
16136 * tree.h: Remove the prototype for add_var_to_bind_expr.
16138 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16140 * regclass.c (n_non_fixed_regs): Remove.
16141 (init_reg_sets_1, globalize_reg): Remove all uses of
16143 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16145 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16147 * rtlanal.c (insns_safe_to_move_p): Remove.
16148 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16150 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16152 * expmed.c (expand_mult_add): Remove.
16153 * expr.h: Remove the prototype for expand_mult_add.
16155 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16157 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16158 and REG_SAVED_VAL_EXP constants.
16159 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16160 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16161 Handle regs stored by value.
16162 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16163 (execute_cfa_program): Handle DW_CFA_val_offset,
16164 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16165 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16166 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16167 (uw_install_context_1): Handle target regs stored by value.
16169 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16171 * tree-sra.c (tree_sra): Return todoflags;
16172 (generate_one_element): Set TODO_update_smt_usage if needed.
16173 (pass_sra): Remove TODO_update_smt_usage.
16174 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16176 (tree_ssa_forward_propagate_single_use_vars): Return
16177 TODO_update_smt_usage if we need to update SMT usage.
16178 (pass_forwprop): Remove TODO_update_smt_usage.
16180 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16182 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16183 (correct_use_link): Remove reference to get_stmt_operands.
16184 (update_stmt_operands): Likewise.
16185 (get_modify_expr_operands): New function factored out of
16186 parse_ssa_operands and get_expr_operands.
16187 Try to create V_MUST_DEFs for LHS by default.
16188 (get_expr_operands) <case MODIFY_EXPR>: Call
16189 get_modify_expr_operands.
16190 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16191 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16192 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16193 get_modify_expr_operands.
16195 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16197 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16198 * tree-flow.h: Remove the prototype for
16199 referenced_var_lookup_if_exists.
16201 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16203 PR rtl-optimization/26345
16205 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16207 2006-03-03 Roger Sayle <roger@eyesopen.com>
16209 PR tree-optimization/26524
16210 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16211 fold_convert to create a constant of the appropriate type.
16213 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16215 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16216 SYMBOL_REF_IN_BLOCK_P.
16217 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16218 of SYMBOL_FLAG_IN_BLOCK.
16219 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16220 instead of SYMBOL_REF_IN_BLOCK_P.
16221 * explow.c (use_anchored_address): Likewise.
16222 * rtl.c (rtx_size): Likewise.
16223 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16224 instead of SYMBOL_FLAG_IN_BLOCK.
16225 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16226 SYMBOL_REF_IN_BLOCK_P.
16227 (assemble_variable): Likewise.
16228 (output_constant_def_contents): Likewise.
16229 (output_constant_pool): Likewise.
16230 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16231 instead of SYMBOL_FLAG_IN_BLOCK.
16232 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16233 SYMBOL_REF_IN_BLOCK_P.
16234 (SYMBOL_REF_BLOCK): Likewise.
16235 (SYMBOL_REF_OFFSET): Likewise.
16236 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16237 SYMBOL_REF_IN_BLOCK_P.
16238 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16239 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16240 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16241 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16243 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16245 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16247 2006-03-02 Roger Sayle <roger@eyesopen.com>
16249 * simplify-rtx.c (simplify_unary_operation): When simplifying
16250 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16251 that we perform the right shift in the appropriate mode, and
16252 then extend or truncate the result to requested mode.
16254 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16256 * gengtype.c (main): Handle double_int type.
16257 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16258 * double-int.c: New file.
16259 * double-int.h: New file.
16260 * system.h: Include doubleint.h.
16261 * Makefile.in (SYSTEM_H): Include double-int.h.
16262 (double-int.o): Add.
16264 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16267 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16270 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16272 * tree-vrp.c (remove_range_assertions): Do not update statements
16275 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16277 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16279 * gcse.c (rest_of_handle_gcse): Ditto.
16280 * except.c (gate_handle_eh): Ditto.
16281 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16282 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16284 2006-03-02 Eric Christopher <echristo@apple.com>
16286 * config/i386/i386.c (machopic_output_stub): Add indirection to
16289 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16293 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16295 Sun Niagara specific optimizations.
16296 * config.gcc: Recognize niagara as target.
16297 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16298 (TARGET_CPU_niagara): Define.
16299 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16300 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16301 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16302 (ASM_CPU_SPEC): Likewise.
16303 (PROCESSOR_NIAGARA): New enum entry.
16304 (REGISTER_MOVE_COST): Handle Niagara.
16305 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16306 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16307 (sparc_override_options): Recognize "niagara", set appropriate
16308 default MASK_* values for it, and align functions to 32-bytes
16309 by default just like ULTRASPARC/ULTRASPARC3.
16310 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16311 (sparc64_initialize_trampoline): Likewise.
16312 (sparc_use_sched_lookahead): Use zero for niagara.
16313 (sparc_issue_rate): Use one for niagara.
16314 * config/sparc/niagara.md: New file.
16315 * config/sparc/sparc.md: Include it.
16316 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16317 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16318 when default cpu is niagara.
16319 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16320 (ASM_CPU_SPEC): Likewise.
16321 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16322 when default cpu is niagara.
16323 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16324 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16325 just like v9/ultrasparc/ultrasparc3.
16326 * doc/invoke.texi: Add documentation for "niagara" and improve
16327 existing documentation for ultrasparc variants.
16329 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16331 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16333 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16335 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16336 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16337 and say that only one is needed.
16338 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16339 * target.h (have_switchable_bss_sections): New hook.
16340 * explow.c (use_anchored_address): Check that the symbol is in a block.
16341 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16342 (bss_noswitch_section): New variables.
16343 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16344 (get_noswitch_section): New function.
16345 (get_block_for_section): Allow SECT to be null.
16346 (unlikely_text_section_p): Use SECTION_STYLE.
16347 (bss_initializer_p): New function.
16348 (get_variable_section): Move earlier in file. Take a new argument,
16349 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16350 Return one of the new *_sections in such cases.
16351 (get_block_for_decl): New function, extracting some logic from
16352 use_blocks_for_decl_p.
16353 (change_symbol_section): Remove in favor of...
16354 (change_symbol_block): ...this new function.
16355 (use_blocks_for_decl_p): Remove checks now performed by
16356 get_block_for_decl.
16357 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16358 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16359 (emit_local, emit_bss, emit_common): ...these new functions.
16360 Return true if the alignment was honored.
16361 (emit_tls_common): New function.
16362 (asm_emit_uninitialised): Delete.
16363 (assemble_variable_noswitch): New function, split out from...
16364 (assemble_variable): ...here. Don't make decisions about common
16365 variables here. Globalize all public decls that go into non-common
16366 sections. Check whether SYMBOL_REF_BLOCK is null.
16367 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16368 (output_constant_pool): Likewise.
16369 (init_varasm_once): Initialize the new section variables.
16370 (have_global_bss_p): New function.
16371 (categorize_decl_for_section): Use bss_initializer_p.
16372 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16373 (place_block_symbol): Assert that the symbol must be in a block.
16374 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16375 (TARGET_INITIALIZER): Include it.
16376 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16377 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16378 (SECTION_MACH_DEP): Bump by two.
16379 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16380 (unnamed_section): Mention SECTION_UNNAMED in comment.
16381 (named_section): Likewise SECTION_NAMED.
16382 (noswitch_section_callback): New type.
16383 (noswitch_section): New structure.
16384 (section): Add a noswitch_section alternative.
16385 (SECTION_STYLE): New macro.
16386 (tls_comm_section, comm_section, lcomm_section): Declare.
16387 (bss_noswitch_section, have_global_bss_p): Declare.
16388 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16389 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16391 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16392 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16395 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16397 * tree-vrp.c (execute_vrp): Return value.
16398 * regrename.c (rest_of_handle_regrename): Ditto.
16399 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16400 * tree-complex.c (tree_lower_complex): Ditto.
16401 (tree_lower_complex_O0): Ditto.
16402 * tracer.c (rest_of_handle_tracer): Ditto.
16403 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16404 * postreload.c (rest_of_handle_postreload): Ditto.
16405 * tree-tailcall.c (execute_tail_recursion): Ditto.
16406 (execute_tail_calls): Ditto.
16407 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16408 * tree.h (init_function_for_compilation): Ditto.
16409 * ipa-cp.c (ipcp_driver): Ditto.
16410 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16411 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16412 * final.c (compute_alignments): Ditto.
16413 (rest_of_handle_final): Ditto.
16414 (rest_of_handle_shorten_branches): Ditto.
16415 (rest_of_clean_state): Ditto.
16416 * omp-low.c (execute_expand_omp): Ditto.
16417 (execute_lower_omp): Ditto.
16418 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16419 * ipa-reference.c (static_execute): Ditto.
16420 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16421 * reorg.c (rest_of_handle_delay_slots): Ditto.
16422 (rest_of_handle_machine_reorg): Ditto.
16423 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16424 * flow.c (recompute_reg_usage): Ditto.
16425 (rest_of_handle_remove_death_notes): Ditto.
16426 (rest_of_handle_life): Ditto.
16427 (rest_of_handle_flow2): Ditto.
16428 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16429 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16430 (do_ssa_store_ccp): Ditto.
16431 (execute_fold_all_builtins): Ditto.
16432 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16433 * modulo-sched.c (rest_of_handle_sms): Ditto.
16434 * ipa-pure-const.c (static_execute): Ditto.
16435 * cse.c (rest_of_handle_cse): Ditto.
16436 (rest_of_handle_cse2): Ditto.
16437 * web.c (rest_of_handle_web): Ditto.
16438 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16439 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16440 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16441 * tree-nrv.c (tree_nrv): Ditto.
16442 (execute_return_slot_opt): Ditto.
16443 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16444 (create_structure_vars): Ditto.
16445 * loop-init.c (rtl_loop_init): Ditto.
16446 (rtl_loop_done): Ditto.
16447 (rtl_move_loop_invariants): Ditto.
16448 (rtl_unswitch): Ditto.
16449 (rtl_unroll_and_peel_loops): Ditto.
16450 (rtl_doloop): Ditto.
16451 * gimple-low.c (lower_function_body): Ditto.
16452 (mark_used_blocks): Ditto.
16453 * tree-ssa-sink.c (execute_sink_code): Ditto.
16454 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16455 (cgraph_early_inlining): Ditto.
16456 * global.c (rest_of_handle_global_alloc): Ditto.
16457 * jump.c (cleanup_barriers): Ditto.
16458 (purge_line_number_notes): Ditto.
16459 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16460 (rest_of_handle_if_after_reload): Ditto.
16461 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16462 (tree_ssa_loop_im): Ditto.
16463 (tree_ssa_loop_unswitch): Ditto.
16464 (tree_vectorize): Ditto.
16465 (tree_linear_transform): Ditto.
16466 (tree_ssa_loop_ivcanon): Ditto.
16467 (tree_ssa_empty_loop): Ditto.
16468 (tree_ssa_loop_bounds): Ditto.
16469 (tree_complete_unroll): Ditto.
16470 (tree_ssa_loop_prefetch): Ditto.
16471 (tree_ssa_loop_ivopts): Ditto.
16472 (tree_ssa_loop_done): Ditto.
16473 * predict.c (tree_estimate_probability): Ditto.
16474 * recog.c (split_all_insns_noflow): Ditto.
16475 (rest_of_handle_peephole2): Ditto.
16476 (rest_of_handle_split_all_insns): Ditto.
16477 * tree-eh.c (lower_eh_constructs): Ditto.
16478 * regmove.c (rest_of_handle_regmove): Ditto.
16479 (rest_of_handle_stack_adjustments): Ditto.
16480 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16481 * function.c (instantiate_virtual_regs): Ditto.
16482 (init_function_for_compilation): Ditto.
16483 (rest_of_handle_check_leaf_regs): Ditto.
16484 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16485 (rest_of_handle_gcse): Ditto.
16486 * ipa-type-escape.c (type_escape_execute): Ditto.
16487 * alias.c (rest_of_handle_cfg): Ditto.
16488 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16489 * profile.c (rest_of_handle_branch_prob): Ditto.
16490 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16491 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16492 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16493 * tree-dfa.c (find_referenced_vars): Ditto.
16494 * except.c (set_nothrow_function_flags): Ditto.
16495 (convert_to_eh_region_ranges): Ditto.
16496 (rest_of_handle_eh): Ditto.
16497 * emit-rtl.c (unshare_all_rtl): Ditto.
16498 (remove_unnecessary_notes): Ditto.
16499 * except.h (set_nothrow_function_flags): Ditto.
16500 (convert_to_eh_region_ranges): Ditto.
16501 * cfgexpand.c (tree_expand_cfg): Ditto.
16502 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16503 * tree-ssa-pre.c (do_pre): Ditto.
16504 (execute_fre): Ditto.
16505 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16506 (rest_of_handle_jump2): Ditto.
16507 * tree-sra.c (tree_sra): Ditto.
16508 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16509 (execute_mudflap_function_decls): Ditto.
16510 * tree-ssa-copy.c (do_copy_prop): Ditto.
16511 (do_store_copy_prop): Ditto.
16512 * ipa-prop.h (ipcp_driver): Ditto.
16513 * cfglayout.c (insn_locators_initialize): Ditto.
16514 * tree-ssa-forwprop.c
16515 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16516 * cfglayout.h (insn_locators_initialize): Ditto.
16517 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16518 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16519 (execute_late_warn_uninitialized): Ditto.
16520 * rtl.h (cleanup_barriers): Ditto.
16521 (split_all_insns_noflow): Ditto.
16522 (purge_line_number_notes): Ditto.
16523 (unshare_all_rtl): Ditto.
16524 (remove_unnecessary_notes): Ditto.
16525 (recompute_reg_usage): Ditto.
16526 (variable_tracking_main): Ditto.
16527 * integrate.c (emit_initial_value_sets): Ditto.
16528 * integrate.h (emit_initial_value_sets): Ditto.
16529 * tree-optimize.c (execute_free_datastructures): Ditto
16530 (execute_free_cfg_annotations): Ditto.
16531 (execute_fixup_cfg): Ditto.
16532 (execute_cleanup_cfg_pre_ipa): Ditto.
16533 (execute_cleanup_cfg_post_optimizing): Ditto.
16534 (execute_init_datastructures): Ditto.
16535 * tree-object-size.c (compute_object_sizes): Ditto.
16536 * combine.c (rest_of_handle_combine): Ditto.
16537 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16538 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16539 (rest_of_handle_reorder_blocks): Ditto.
16540 (rest_of_handle_partition_blocks): Ditto.
16541 * var-tracking.c (variable_tracking_main): Ditto.
16542 * tree-profile.c (tree_profiling): Ditto.
16543 * tree-vect-generic.c (expand_vector_operations): Ditto.
16544 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16545 * sched-rgn.c (rest_of_handle_sched): Ditto.
16546 (rest_of_handle_sched2): Ditto.
16547 * basic-block.h (free_bb_insn): Ditto.
16548 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16549 * tree-cfg.c (execute_build_cfg): Ditto.
16550 (remove_useless_stmts): Ditto.
16551 (split_critical_edges): Ditto.
16552 (execute_warn_function_return): Ditto.
16553 (execute_warn_function_noreturn): Ditto.
16554 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16555 * cfgrtl.c (free_bb_for_insn): Ditto.
16556 * passes.c (execute_one_pass): Run additional
16557 todos returned by execute function.
16558 * tree-pass.h (struct tree_opt_pass): Make execute
16561 2006-03-02 Richard Guenther <rguenther@suse.de>
16563 * tree-ssa-alias.c (find_used_portions): Consider taking
16564 the address as making the variable not write-only.
16566 2006-03-02 Nick Clifton <nickc@redhat.com>
16568 * config.gcc (default_use_cxa_atexit): Extend the description of
16569 this configure variable. Set its default value to "yes" for
16570 Linux, NetBSD and ELF targets on the assumption that they will
16571 use C libraries with the __cxa_atexit function.
16573 2006-03-02 Ben Elliston <bje@au.ibm.com>
16575 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16576 parameter as unused to suppress a build warning.
16578 2006-03-02 Ben Elliston <bje@au.ibm.com>
16580 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16583 2006-03-01 Roger Sayle <roger@eyesopen.com>
16586 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16587 declared name, the weak reference name, and the typeof name.
16588 (__gthrw): Avoid expanding the declared name suffix.
16589 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16591 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16593 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16595 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16596 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16597 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16598 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16599 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16600 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16601 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16602 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16603 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16604 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16605 (DW_END_default, DW_END_big, DW_END_little): New.
16606 (DW_END_lo_user, DW_END_hi_user): Define.
16607 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16608 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16609 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16612 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16614 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16616 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16618 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16620 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16622 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16623 to 'symbol_mem_tag'.
16625 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16628 2006-03-01 Roger Sayle <roger@eyesopen.com>
16630 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16632 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16635 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16636 MACHO_DYNAMIC_NO_PIC_P.
16637 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16639 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16642 * config/darwin-protos.h (darwin_asm_output_anchor):
16644 * config/darwin-sections.def (cstring_section):
16645 Add SECTION_MERGE to the flags.
16646 (literal4_section): Likewise.
16647 (literal8_section): Likewise.
16648 (objc_selector_refs_section): Likewise.
16649 (objc_cls_refs_section): Likewise.
16650 * config/darwin.c (darwin_asm_output_anchor): New
16652 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16654 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16656 Fix PR tree-optimization/26443
16657 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16658 to todo and PROP_tmt_usage to properties_destroyed.
16659 * tree-ssa-ccp.c (pass_ccp): Ditto.
16660 (pass_store_ccp): Ditto.
16661 * tree-ssa-dom.c (pass_dominator): Ditto.
16663 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16665 * tree-ssa-operands.c: Cleanup whitespace.
16666 (get_asm_expr_operands): Move before first invocation.
16667 (get_indirect_ref_operands): Likewise.
16668 (get_tmr_operands): Likewise.
16669 (get_call_expr_operands): Likewise.
16670 (append_def): Likewise.
16671 (append_use): Likewise.
16672 (append_v_may_def): Likewise.
16673 (append_v_must_def): Likewise.
16674 (add_call_clobber_ops): Likewise.
16675 (add_call_read_ops): Likewise.
16676 (add_stmt_operand): Likewise.
16677 (add_virtual_operand): Likewise.
16678 (build_ssa_operands): Likewise.
16680 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16682 PR middle-end/26022
16684 PR middle-end/24437
16685 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16686 with a call expr to ...
16687 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16689 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16691 * tree-vrp.c (extract_range_from_assert): Remove special
16692 handling for types with super-types.
16694 2006-03-01 Ben Elliston <bje@au.ibm.com>
16696 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16697 and powerpc64-*-linux* configurations.
16698 * config/t-dfprules: New file.
16700 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16701 Compile dfp-bit.c from the source directory using -DWIDTH and
16702 $DFP_CFLAGS to control the compilation of that file, rather than
16703 generating width-specific versions in the build directory.
16704 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16705 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16707 2006-02-28 Zack Weinberg <zackw@panix.com>
16709 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16712 2006-02-28 Eric Christopher <echristo@apple.com>
16714 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16715 Set up IN_LIBGCC definition of TARGET_64BIT.
16716 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16718 2006-02-28 Roger Sayle <roger@eyesopen.com>
16720 PR middle-end/14752
16721 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16722 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16723 cases via the construction of "expr != 0".
16725 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16727 * alias.c (alias_invariant, alias_invariant_size): Remove.
16728 (record_base_value): Remove.
16729 (memrefs_conflict_p): Don't look at alias_invariant.
16730 (end_alias_analysis): Don't free it.
16731 * alias.h (record_base_value): Remove prototype.
16733 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16734 Adam Nemet <anemet@caviumnetworks.com>
16736 * rtl.h (truncated_to_mode): Declare it.
16737 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16738 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16739 (RTL_HOOKS_INITIALIZER): Include it.
16740 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16741 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16742 reg_truncated_to_mode.
16743 * rtlanal.c (truncated_to_mode): Define it.
16744 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16746 2006-02-28 Jeff Law <law@redhat.com>
16748 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16749 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16750 the range allowed by TYPE_PRECISION.
16752 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16754 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16756 PR tree-optimization/26419
16757 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16760 2006-02-27 Zack Weinberg <zackw@panix.com>
16762 * doc/md.texi: Fix typo in previous change.
16764 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16768 2006-02-27 Zack Weinberg <zackw@panix.com>
16770 * rtl.def (define_constraint, define_register_constraint)
16771 (define_memory_constraint, define_address_constraint): New MD forms.
16772 * gensupport.c (process_rtx): Put define_constraint etc on the
16774 * genpreds.c (process_define_predicate): Adjust comment. Validate
16775 the name, and call validate_exp to validate the expression.
16776 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16777 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16778 all callers changed.
16779 (validate_exp, needs_variable, struct constraint_data)
16780 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16781 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16782 (const_dbl_constraints, constraint_max_namelen)
16783 (have_register_constraints, have_memory_constraints)
16784 (have_address_constraints, have_address_constraints)
16785 (have_extra_constraints, have_const_int_constraints)
16786 (have_const_dbl_constraints, mangle, add_constraint)
16787 (process_define_constraint, process_define_register_constraint)
16788 (write_enum_constraint_num, write_lookup_constraint)
16789 (write_insn_constraint_len, write_regclass_for_constraint)
16790 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16791 (write_insn_extra_memory_constraint)
16792 (write_insn_extra_address_constraint)
16793 (write_satisfies_constraint_fns): New.
16794 (write_tm_preds_h): If we have new-style constraint definitions,
16795 prototype the functions generated from them, and define the
16796 old constraint interface (still used by generic code) in terms of
16798 (write_insn_preds_c): If we have new-style constraint definitions,
16799 generate all relevant functions from those definitions.
16800 (main): Handle define_constraint etc.
16801 * genoutput.c (struct constraint_data, indep_constraints)
16802 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16803 (mdep_constraint_len): New data structures and functions, defined
16804 #ifdef USE_MD_CONSTRAINTS.
16805 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16806 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16807 use new logic to validate operand constraints against constraint
16809 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16811 * defaults.h: If none of the old-style constraint macros are
16812 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16813 old-style macros; and poison REG_CLASS_FROM_LETTER,
16814 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16816 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16817 * doc/md.texi: Document new constraint-definition mechanism and the
16818 C interface it provides. Remove references to old mechanism
16819 elsewhere in the document.
16820 (Machine Constraints): Use pathnames relative to gcc directory,
16821 i.e. config/ARCH/FILE. Change i386 section to refer to
16822 config/i386/predicates.md; update that section to match docstrings.
16823 * doc/tm.texi: Move all documentation of the old constraint-
16824 definition macros to their own section, clearly mark as obsolete.
16826 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16827 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16829 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16830 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16831 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16832 constraint strings.
16833 (splits and peepholes): Use satisfies_constraint_*.
16834 * config/i386/i386.c (memory_address_length)
16835 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16837 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16839 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16840 scalar operation to be put back into the loop.
16842 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16845 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16846 (extract_cie_info): Handle S flag in augmentation string.
16847 (execute_cfa_program): If context->signal_frame, execute also
16848 fs->pc == context->ra instructions.
16849 (uw_frame_state_for): If context->signal_frame, don't subtract one
16850 from context->ra to find FDE.
16851 (uw_update_context_1): Set context->signal_frame to
16853 (_Unwind_GetIPInfo): New function.
16854 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16855 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16857 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16858 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16859 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16860 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16861 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16862 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16863 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16864 x86_64_fallback_frame_state): Set fs->signal_frame.
16865 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16866 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16867 (frob_update_context): Likewise. Workaround missing S flag in
16868 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16869 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16870 Remove the psw_addr + 1 hack.
16872 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16874 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16875 with aggregates here.
16876 (find_func_aliases): Remove code for &<aggregate> from here.
16878 2006-02-26 Roger Sayle <roger@eyesopen.com>
16880 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16881 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16882 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16883 as (X & C) ne/eq 0.
16885 2006-02-26 Roger Sayle <roger@eyesopen.com>
16887 PR middle-end/19983
16888 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16890 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16892 * opts.c (decode_options): Do not handle flag_strength_reduce.
16893 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16894 and OPT_fstrength_reduce.
16895 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16896 flag_prefetch_loop_arrays for being nonzero.
16897 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16899 (fprefetch-loop-arrays-rtl): Removed.
16900 (flag_prefetch_loop_arrays): Do not specify the value.
16902 * doc/passes.texi: Update documentation of loop optimizer
16904 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16905 -frerun-loop-opt): Remove.
16907 2006-02-26 Richard Guenther <rguenther@suse.de>
16909 PR tree-optimization/26421
16910 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16911 in function calls that are ADDR_EXPRs as using the whole structure.
16913 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16915 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16916 * tree-pass.h (pass_loop_optimize): Remove.
16917 * passes.c (pass_loop_optimize): Never run it.
16918 * toplev.c (backend_init): Don't call init_loop.
16919 * opts.c (flag_loop_optimize_set): Remove.
16920 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16921 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16922 the old RTL loop optimizer when profiling enabled.
16923 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16924 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16925 pre-headers for the sake of the old RTL loop optimizer.
16926 * Makefile.in: Remove all references to loop.o.
16928 * doc/invoke.texi: Remove all references to -floop-optimize
16929 and -frerun-loop-opt.
16931 2006-02-26 Zack Weinberg <zackw@panix.com>
16933 * doc/md.texi (Machine Constraints): Refer to all files with paths
16934 relative to gcc directory (i.e. config/CPU/file). Add missing
16935 @table @code ... @end table to M32C subsection.
16937 2006-02-26 Roger Sayle <roger@eyesopen.com>
16939 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16941 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16943 2006-02-26 Roger Sayle <roger@eyesopen.com>
16944 James A. Morrison <phython@gcc.gnu.org>
16946 PR middle-end/21137
16947 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16948 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16949 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16950 signedness of the shift operation.
16952 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16954 PR tree-optimization/26359
16955 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16957 2006-02-25 Roger Sayle <roger@eyesopen.com>
16959 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16960 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16961 as X == 0, and some symmetry related transformations.
16962 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16964 2006-02-25 Roger Sayle <roger@eyesopen.com>
16966 PR middle-end/23673
16967 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16968 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16969 symmetry related transformations. Fold (X^C1) == C2 as
16972 2006-02-25 Juergen Weigert <jw@suse.de>
16973 Richard Guenther <rguenther@suse.de>
16975 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16977 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16979 * combine.c (gen_lowpart_or_truncate): Call
16980 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16982 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16984 * doc/invoke.texi: Move -fopenmp description to "Options for
16986 Remove reference to -lgomp.
16988 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16990 * doc/install.texi: Require GNU tar version 1.14.
16992 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16994 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16995 * doc/invoke.texi (C++ Dialect Options): Document
16996 -fno-use-cxa-get-exception-ptr.
16997 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16998 * configure: Regenerate.
16999 * c.opt (fuse-cxa-get-exception-ptr): New.
17000 * c-opts.c (c_common_handle_option): Handle
17001 OPT_fuse_cxa_get_exception_ptr.
17002 * c-common.c (flag_use_cxa_atexit): Update documentation.
17003 (flag_use_cxa_get_exception_ptr): New.
17004 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17005 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17007 (C_COMMON_OVERRIDE_OPTIONS): New.
17009 2006-02-24 Roger Sayle <roger@eyesopen.com>
17011 PR middle-end/24952
17012 * combine.c (try_combine): Explicitly check whether GET_CODE is
17013 a SET or a CLOBBER, instead on checking that it isn't a USE.
17015 2006-02-24 Roger Sayle <roger@eyesopen.com>
17017 * fold-const.c (fold_comparison): New subroutine of fold_binary
17018 containing transformations common to both the equality and
17019 ordering relational operators, factored out of fold_binary.
17020 (fold_binary): Separate out the equality operators (EQ_EXPR
17021 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17022 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17023 transformations common to both.
17024 (fold_div_compare): Fix latent bugs in the previously unreachable
17025 LT_EXPR and GE_EXPR cases.
17027 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17029 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17030 decl libname for clog to __clog on AIX.
17032 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17034 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17037 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17038 output traceback table for thunks. Localise rs6000_stack_info call.
17040 2006-02-23 Roger Sayle <roger@eyesopen.com>
17041 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17043 * gthr-posix.h (__gthrw): Fix typo in comment.
17045 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17047 * doc/cpp.texi (Character sets): Document that we do support
17048 input files to be in any character set.
17050 2006-02-23 Jeff Law <law@redhat.com>
17052 * tree.h (PHI_ARG_NONZERO): Remove.
17053 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17054 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17055 node to the new node.
17057 PR tree-optimization/26425
17058 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17059 min/max, then assume its varying.
17061 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17063 PR rtl-optimization/26316
17064 * rtlanal.c (enum may_trap_p_flags): New.
17065 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17066 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17067 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17068 (may_trap_after_code_motion_p): New function.
17069 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17070 (find_invariant_insn): Use may_trap_after_code_motion_p.
17071 * rtl.h (may_trap_after_code_motion_p): Declare.
17073 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17075 * emit-rtl.c (immed_double_const): Cleanup.
17077 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17079 Fix PR tree-optimization/26376
17080 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17083 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17085 PR middle-end/26412
17086 * gimplify.c (omp_add_variable): Guard variable size decl test with
17087 DECL_SIZE (decl) check.
17089 2006-02-23 Richard Guenther <rguenther@suse.de>
17091 PR middle-end/26439
17092 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17093 like aggregate types.
17095 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17097 * configure.ac: Add --with{,out}-long-double-128 configure option.
17098 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17099 * configure: Rebuilt.
17100 * config.in: Rebuilt.
17101 * doc/install.texi (Options specification): Document
17102 --with-long-double-128.
17104 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17105 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17106 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17107 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17109 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17111 * config/s390/s390.c (override_options): Handle
17112 TARGET_DEFAULT_LONG_DOUBLE_128.
17114 * config/alpha/alpha.c (override_options): Handle
17115 TARGET_DEFAULT_LONG_DOUBLE_128.
17117 * config/sparc/sparc.c (sparc_override_options): Handle
17118 TARGET_DEFAULT_LONG_DOUBLE_128.
17120 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17122 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17123 (real-install-headers-tar, real-install-headers-cpio)
17124 (real-install-headers-cp): New targets.
17126 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17128 * tree.h (variable_section): Delete.
17129 * varasm.c (variable_section): Delete.
17131 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17133 * install.texi: Add notes on install.texi2html.
17134 (Building in parallel): Do not use footnotes.
17136 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17139 * doc/install.texi (Configuration): Document --disable-libgomp.
17141 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17143 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17145 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17147 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17148 (vec_extractv2df_0_sse): New.
17150 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17152 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17153 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17154 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17155 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17156 to the result of the expression.
17157 (def_cfa_1): Adjust.
17158 (frame_pointer_cfa_offset): Rename to...
17159 (frame_pointer_fb_offset): ... this. Adjust all uses.
17160 (convert_cfa_to_loc_list): Rename to...
17161 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17162 Pass it on to build_cfa_loc.
17163 (compute_frame_pointer_to_cfa_displacement): Rename to...
17164 (compute_frame_pointer_to_fb_displacement): ... this. New
17165 offset parameter. Use it in computation.
17166 (gen_subprogram_die): Compute cfa_fb_offset with the new
17167 macro, and use it to compute the fb loc list and the
17170 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17172 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17173 replaced with register_operand.
17174 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17175 non-DREG is expensive.
17176 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17177 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17180 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17182 * doc/install.texi2html: Use set -e.
17184 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17186 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17187 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17188 * doc/invoke.texi (-fshared-data): Delete.
17189 * common.opt (fshared-data): Delete.
17190 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17191 (assemble_static_space): Remove #if 0 code.
17192 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17193 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17194 * config/cris/cris.h: Remove FIXME.
17196 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17198 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17201 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17203 PR middle-end/26379
17204 * combine.c (simplify_shift_const_1): Disable nested shifts
17205 optimization for vector shifts.
17207 2006-02-20 Roger Sayle <roger@eyesopen.com>
17209 PR tree-optimization/26361
17210 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17211 of unsigned integer types.
17213 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17215 * tree-chrec.c (eq_evolutions_p): New.
17216 * tree-chrec.h (eq_evolutions_p): Declared.
17217 * tree-data-ref.c: Fix formatting.
17218 (datadep_stats, dependence_stats): New.
17220 (print_direction_vector): New.
17221 (dump_data_dependence_relation): Use print_direction_vector.
17222 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17223 (compute_subscript_distance): Static.
17224 (initialize_data_dependence_relation): Static. Get the number
17225 of loops surrounding the references from the callers, and initialize
17226 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17227 base_object_differ_p analyzers.
17228 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17229 compute_overlap_steps_for_affine_1_2,
17230 analyze_subscript_affine_affine): Count the classified dependences.
17231 Print a message when a test failed.
17232 (can_use_analyze_subscript_affine_affine): New.
17233 (analyze_siv_subscript): Compute the data dependences on symbolic
17234 scevs that verify can_use_analyze_subscript_affine_affine.
17235 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17236 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17237 Handle symbolic scevs.
17238 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17240 (subscript_dependence_tester): Moved...
17241 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17242 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17243 DDR_SIZE_VECT instead of getting it in parameter.
17244 (subscript_dependence_tester): ... here. Take as a parameter
17245 loop_nest_depth. Call build_classic_dist_vector and
17246 build_classic_dir_vector.
17247 (compute_affine_dependence): Update subscript_dependence_tester
17248 parameters. Update datadep_stats counters. Call
17249 compute_subscript_distance.
17250 (compute_self_dependence): Save the dist and dir vectors. Call
17251 compute_subscript_distance.
17252 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17253 (compute_all_dependences): Reorder parameters as they were before
17254 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17255 compute_subscript_distance. Update the use of
17256 compute_affine_dependence and initialize_data_dependence_relation.
17257 (find_data_references_in_loop): Handle COMPONENT_REF.
17258 (compute_data_dependences_for_loop): Initialize dependence_stats.
17259 Don't call build_classic_dist_vector and build_classic_dir_vector.
17260 Update the parameters of initialize_data_dependence_relation and
17261 compute_all_dependences. Print the statistics from datadep_stats.
17262 (analyze_all_data_dependences): Static. Not used until the pass for
17263 checking the data dependences is contributed.
17264 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17265 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17266 (initialize_data_dependence_relation, compute_affine_dependence,
17267 analyze_all_data_dependences, compute_subscript_distance): Removed.
17268 (print_direction_vector): New.
17269 * lambda.h (gcd): ... here.
17270 (lambda_vector_gcd): Moved here from gcd_vector.
17271 * lambda-code.c (gcd, gcd_vector): Removed.
17272 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17273 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17275 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17277 * ipa-type-escape.c: Tidy some comments and white space.
17278 * tree-ssa-operands.c: Likewise.
17280 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17283 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17284 (dump_decl_name): Do not walk the decl tree chains.
17285 * tree-pass.h (TDF_CHAIN): Remove.
17287 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17289 * Makefile.in (C): Remove
17291 (.PHONY): Remove C and PROTO
17293 2006-02-20 Roger Sayle <roger@eyesopen.com>
17295 PR middle-end/26236
17296 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17297 deprecated CHAR_TYPE tree code.
17299 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17301 * configure.ac (target_list): Add install-info, dvi, html.
17302 * configure: Regenerate.
17304 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17305 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17306 treelang/Make-lang.in: Do not use double-colon rules.
17308 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17310 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17311 (TMT_USED_ALONE): New macro.
17312 * tree-pass.h (PROP_tmt_usage): New property.
17313 (TODO_update_tmt_usage): New todo.
17314 * tree-ssa-alias.c (updating_used_alone): New variable.
17315 (recalculate_used_alone): New function.
17316 (compute_may_aliases): Set updating_used_alone, call
17317 recalculate_used_alone.
17318 * tree-sra.c (pass_sra): Note that this pass destroys
17319 PROP_tmt_usage, and add TODO_update_tmt_usage.
17320 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17321 * tree-flow.h (updating_used_alone): Prototype.
17322 (recalculate_used_alone): Ditto.
17323 * passes.c (execute_todo): Add code to set updating_used_alone,
17324 and call recalculate.
17325 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17326 for clobber if used alone, and add assert to verify used_alone
17329 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17331 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17332 for non tls symbols added.
17333 (legitimize_address): Do nothing for PLUS expressions if one of the
17334 addends is a tls symbol reference.
17336 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17340 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17342 * Makefile.in (BOOTSTRAPPING): New.
17343 (quickstrap): New definition if BOOTSTRAPPING=yes.
17345 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17346 * configure.ac: Substitute all_selected_languages with the languages
17347 that were configured. For all the other variables except
17348 lang_specs_files, include all the languages in the tree.
17349 * configure: Regenerate.
17351 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17352 if there is one. Run the commands to run fixincludes in the same
17355 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17356 * doc/install.texi: Document exact conventions for searching target tools.
17357 Document --with-build-time-tools. Document toplevel bootstrap. Document
17358 something more about building an Ada cross-compiler. Don't list GNU Make
17359 requirements which affect all platforms.
17361 2006-02-19 Roger Sayle <roger@eyesopen.com>
17363 PR middle-end/19543
17364 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17365 only equivalent if the have both the same mode and precision.
17367 2006-02-20 Ben Elliston <bje@au.ibm.com>
17369 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17371 2006-02-19 Roger Sayle <roger@eyesopen.com>
17372 Steven Bosscher <stevenb.gcc@gmail.com>
17374 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17375 constant pool references to identify stack mode constants.
17376 * rtlanal.c (constant_pool_constant_p): New predicate to check
17377 whether operand is a floating point constant in the pool.
17378 * rtl.h (constant_pool_constant_p): Prototype here.
17379 * loop.c (scan_loop): Avoid hoisting constants from the constant
17380 pool on STACK_REGS targets.
17381 (load_mems): Likewise.
17382 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17383 loads into x87 registers expensive in terms of register pressure.
17385 2006-02-19 Roger Sayle <roger@eyesopen.com>
17387 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17388 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17390 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17392 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17393 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17395 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17397 * doc/invoke.texi: Document -fipa-pta.
17398 * common.opt: Add ipa-pta option.
17399 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17400 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17401 (do_ds_constraint): Ditto.
17402 (get_constraint_for): Only add to referenced_vars if
17403 referenced_vars exists.
17404 (insert_into_field_list): Rewrite to do this unsorted.
17405 (insert_into_field_list_sorted): Rename old insert_into_field_list
17407 (create_function_info_for): Use insert_into_field_list_sorted.
17408 (create_variable_info_for): Rewrite so it uses unsorted version,
17409 since the field list is sorted.
17410 (intra_create_variable_infos): Only add to referenced_vars if
17411 referenced_vars exists.
17412 (ipa_pta_execute): Init heapvars, and delete when done.
17413 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17415 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17417 * doc/install.texi: Add missing `@samp'.
17419 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17421 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17424 2006-02-18 Mark Wielaard <mark@klomp.org>
17426 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17427 who added new 4.1 features, bug fixes and integration support.
17429 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17432 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17433 MEM for ABI_V4 pic.
17435 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17437 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17438 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17439 (copy_insn_1): Likewise. Don't copy each field individually.
17441 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17443 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17444 * rtl.c (rtx_size): Rename variable to...
17445 (rtx_code_size): ...this.
17446 (rtx_size): New function.
17447 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17448 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17450 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17451 * rtl.h (rtx_code_size): New variable.
17452 (rtx_size): Change from a variable to a function.
17453 (RTX_SIZE): Rename to...
17454 (RTX_CODE_SIZE): ...this.
17457 PR tree-optimization/17106
17458 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17459 (Anchored Addresses): New section.
17460 * doc/invoke.texi (-fsection-anchors): Document.
17461 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17462 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17463 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17464 * hooks.c (hook_bool_mode_rtx_false): New function.
17465 * hooks.h (hook_bool_mode_rtx_false): Declare.
17466 * gengtype.c (create_optional_field): New function.
17467 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17468 SYMBOL_REF_IN_BLOCK_P is true.
17469 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17470 (min_anchor_offset, max_anchor_offset): Likewise.
17471 (use_anchors_for_symbol_p): New hook.
17472 * toplev.c (compile_file): Call output_object_blocks.
17473 (target_supports_section_anchors_p): New function.
17474 (process_options): Check that -fsection-anchors is only used on
17475 targets that support it and when -funit-at-a-time is in effect.
17476 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17477 if the decl doesn't have one.
17478 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17479 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17480 of force_const_mem through use_anchored_address.
17481 (expand_expr_constant): New function.
17482 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17483 calling expand_expr for INDIRECT_REF.
17484 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17485 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17486 * expr.h (use_anchored_address): Declare.
17487 * loop-unroll.c: Don't declare rtx vectors here.
17488 * explow.c: Include output.h.
17489 (validize_mem): Call use_anchored_address.
17490 (use_anchored_address): New function.
17491 * common.opt (-fsection-anchors): New switch.
17492 * varasm.c (object_block_htab, anchor_labelno): New variables.
17493 (hash_section, object_block_entry_eq, object_block_entry_hash)
17494 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17495 (use_blocks_for_decl_p, change_symbol_section): New functions.
17496 (get_variable_section): New function, split out from assemble_variable.
17497 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17498 use_blocks_for_decl_p say so. Use change_symbol_section if the
17499 symbol has already been created.
17500 (assemble_variable_contents): New function, split out from...
17501 (assemble_variable): ...here. Don't output any code for
17502 block symbols; just pass them to place_block_symbol.
17503 Use get_variable_section and assemble_variable_contents.
17504 (get_constant_alignment, get_constant_section, get_constant_size): New
17505 functions, split from output_constant_def_contents.
17506 (build_constant_desc): Create a block symbol if use_object_blocks_p
17507 says so. Or into SYMBOL_REF_FLAGS.
17508 (assemble_constant_contents): New function, split from...
17509 (output_constant_def_contents): ...here. Don't output any code
17510 for block symbols; just pass them to place_section_symbol.
17511 Use get_constant_section and get_constant_alignment.
17512 (force_const_mem): Create a block symbol if use_object_blocks_p and
17513 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17514 (output_constant_pool_1): Add an explicit alignment argument.
17515 Don't switch sections here.
17516 (output_constant_pool): Adjust call to output_constant_pool_1.
17517 Switch sections here instead. Don't output anything for block symbols;
17518 just pass them to place_block_symbol.
17519 (init_varasm_once): Initialize object_block_htab.
17520 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17521 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17522 (place_block_symbol, get_section_anchor, output_object_block)
17523 (output_object_block_htab, output_object_blocks): New functions.
17524 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17525 (TARGET_ASM_OUT): Include it.
17526 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17527 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17528 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17529 (TARGET_INITIALIZER): Include them.
17530 * rtl.c (rtl_check_failed_block_symbol): New function.
17531 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17532 (block_symbol, object_block): New structures.
17533 (rtx_def): Add a block_symbol field to the union.
17534 (BLOCK_SYMBOL_CHECK): New macro.
17535 (rtl_check_failed_block_symbol): Declare.
17536 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17537 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17538 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17539 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17540 * output.h (output_section_symbols): Declare.
17541 (object_block): Name structure.
17542 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17543 (default_use_anchors_for_symbol_p): Declare.
17544 * Makefile.in (RTL_BASE_H): Add vec.h.
17545 (explow.o): Depend on output.h.
17546 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17547 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17548 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17549 (rs6000_use_blocks_for_constant_p): New function.
17551 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17553 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17555 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17558 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17561 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17563 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17567 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17569 PR middle-end/26334
17570 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17571 instead of DECL_REGISTER.
17573 2006-02-18 Olivier Hainque <hainque@adacore.com>
17576 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17578 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17581 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17582 * opth-gen.awk: Handle Var and InverseMask together.
17583 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17584 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17585 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17586 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17588 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17589 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17590 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17591 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17592 LINUX_DYNAMIC_LINKER): Define.
17593 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17594 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17596 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17597 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17598 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17600 (TARGET_C99_FUNCTIONS): Don't define.
17601 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17602 GLIBC_DYNAMIC_LINKER.
17603 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17604 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17605 GLIBC_DYNAMIC_LINKER64): Define.
17606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17607 LINUX_DYNAMIC_LINKER64.
17608 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17610 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17612 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17614 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17615 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17616 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17618 and LINUX_DYNAMIC_LINKER32.
17619 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17621 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17622 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17623 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17625 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17626 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17627 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17628 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17629 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17630 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17631 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17632 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17633 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17634 LINUX_DYNAMIC_LINKER): Define.
17635 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17636 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17637 GLIBC_DYNAMIC_LINKER64): Define.
17638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17639 LINUX_DYNAMIC_LINKER64.
17640 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17641 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17642 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17643 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17644 LINUX_DYNAMIC_LINKER): Define.
17645 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17646 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17647 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17648 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17649 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17650 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17651 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17652 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17653 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17654 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17655 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17656 * doc/invoke.texi (-muclibc): Remove caveat about supported
17659 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17661 * doc/cpp.texi (__TIMESTAMP__): Document.
17663 2006-02-17 Roger Sayle <roger@eyesopen.com>
17665 PR middle-end/25600
17666 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17667 C is one less than the width of X (and related transformations).
17668 * simplify-rtx.c (simplify_unary_operation_1): Transform
17669 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17670 depending on STORE_FLAG_VALUE, were C is one less then the
17673 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17675 Fix PR tree-optimization/26341
17676 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17677 about NAME_MEMORY_TAG's.
17679 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17682 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17683 with hardware float support, and software float support. Add fcpy
17684 alternative to hardware patterns. Add alternatives to copy between
17685 general and floating-point registers to the 32-bit pattern.
17686 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17687 secondary reload to load a QI or HI mode constant into a floating
17689 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17690 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17692 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17695 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17697 (load_macho_picbase_di): Likewise.
17699 2006-02-16 Jeff Law <law@redhat.com>
17701 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17702 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17703 (ssa_name_nonzero_p): Likewise.
17704 (get_value_range): Return NULL if VRP is not running.
17705 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17706 VRP routines do not discover a range.
17707 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17708 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17709 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17710 (tree_expr_nonnegative_p): Similarly.
17711 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17712 (restore_nonzero_vars_to_original_value): Remove.
17713 (unsafe_associative_fp_binop): Remove.
17714 (tree_ssa_dominator_optimize): Remove initialization and
17715 finalization of nonzero_vars and nonzero_vars_stack.
17716 (dom_opt_initialize_block): No longer push marker on
17717 nonzero_vars_stack.
17718 (dom_opt_finalize_block): No longer call
17719 restore_nonzero_vars_to_original_value.
17720 (record_equivalences_from_phis): No longer look for
17721 nonzero PHI arguments.
17722 (cprop_into_successor_phis): No longer propagate nonzero
17723 property into PHI arguments. Lose unused argument. Caller
17725 (record_equivalences_from_stmt): No longer record nonzero
17726 values for SSA_NAMEs.
17727 (lookup_avail_expr): No longer use nonzero_vars.
17729 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17730 for sizetype when sizetype is unsigned.
17732 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17734 PR rtl-optimization/25603
17735 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17736 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17737 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17738 with new meaning of SETS.
17740 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17745 * config/linux.opt: New file.
17746 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17747 LINUX_DYNAMIC_LINKER): Define.
17748 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17749 * config.gcc (*-*-linux*): Define extra_options.
17750 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17751 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17752 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17753 GLIBC_DYNAMIC_LINKER.
17754 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17755 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17756 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17757 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17758 * doc/invoke.texi (GNU/Linux Options): New section.
17760 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17762 * config/sparc/sparc.md (setjmp): Rewrite.
17763 (setjmp_32): Delete.
17764 (setjmp_64): Likewise.
17766 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17768 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17771 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17773 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17776 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17778 PR rtl-optimization/26296
17779 * Makefile.in (loop-invariant.c): Add except.h dependency.
17780 * loop-invariant.c: Include except.h.
17781 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17783 2005-02-16 Paul Brook <paul@codesourcery.com>
17785 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17788 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17790 PR rtl-optimization/25636
17791 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17792 when deciding whether an insn is an initializing insn.
17794 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17796 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17797 (tree_code_size): Ditto.
17798 * tree.h (struct tree_memory_tag): Remove parent_var.
17799 (struct tree_struct_field_tag): New.
17802 (union tree_node): Add sft member.
17803 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17805 (create_sft): Add size and offset argument, set SFT_OFFSET and
17807 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17808 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17809 * tree-flow-inline.h (get_subvar_at): Update for
17810 SFT_OFFSET/SFT_SIZE.
17811 (var_can_have_subvars): Ditto.
17812 (overlap_subvar): Ditto.
17813 * print-tree.c (print_node): Print out interesting things for
17815 * tree-flow.h (struct subvar): Remove offset and size members.
17816 * tree-ssa-operands.c (get_expr_operands): Update for
17817 get_indirect_ref_operands changes.
17818 (get_indirect_ref_operands): Call add_virtual_operand instead of
17819 add_stmt_operand. Only recurse on base var if requested.
17820 (access_can_touch_variable): New function.
17821 (add_stmt_operand): Split virtual operand handling into ...
17822 (add_virtual_operand): Here. Add offset, size, and for_clobber
17823 arguments. Prune alias sets.
17824 (add_call_clobber_ops): Call add_virtual_operand.
17826 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17828 PR middle-end/26300
17829 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17831 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17832 than TREE_CODE as index into omp_clause_num_ops array.
17834 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17836 PR rtl-optimization/26184
17837 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17839 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17840 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17841 must_precede, must_follow and tobe_scheduled.
17844 * opts.c (common_handle_option): Free new_option pointer.
17845 * df-core.c (df_analyze): Free postorder pointer.
17847 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17849 * Makefile.in: Fix the examples about the use of stamps
17851 2006-02-15 Michael Matz <matz@suse.de>
17853 PR middle-end/22275
17855 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17856 influenced by maximum_field_alignment or DECL_PACKED.
17857 (update_alignment_for_field): Ditto.
17858 (place_field): Ditto.
17859 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17862 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17864 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17865 (debug_flow_info): Pass it.
17866 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17867 * bb-reorder.c (reorder_basic_blocks): Likewise.
17868 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17869 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17870 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17871 * gcse.c (gcse_main, bypass_jumps): Likewise.
17872 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17873 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17874 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17875 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17876 * rtl.h (dump_flow_info): Adjust prototype.
17877 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17878 * var-tracking.c (variable_tracking_main): Likewise.
17879 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17880 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17883 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17885 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17888 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17890 PR tree-optimization/26209
17891 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17892 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17894 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17896 2006-02-14 Roger Sayle <roger@eyesopen.com>
17898 PR middle-end/23670
17899 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17900 (X,Y) and the corresponding symmetry related transformations.
17901 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17902 (X,Y) and its symmetry related transformations.
17904 2006-02-14 Roger Sayle <roger@eyesopen.com>
17906 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17909 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17911 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17913 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17916 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17917 support COMDAT group.
17918 * configure: Regenerate.
17920 2006-02-14 Roger Sayle <roger@eyesopen.com>
17922 PR middle-end/26279
17923 PR middle-end/26280
17924 PR middle-end/26283
17925 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17927 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17929 Fix PR tree-optimization/26260
17931 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17933 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17934 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17935 * tree-ssa-structalias.c (create_variable_info_for): Use
17936 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17938 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17940 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17942 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17943 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17944 of the ending condition.
17945 * tree-ssa-loop-manip.c: Include params.h.
17946 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17947 tree_unroll_loop): New functions.
17948 * tree-pass.h (pass_loop_prefetch): Declare.
17949 * loop.c (rest_of_handle_loop_optimize): Test for
17950 -fprefetch-loop-arrays-rtl.
17951 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17952 * timevar.def (TV_TREE_PREFETCH): New timevar.
17953 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17954 pass_loop_prefetch): New.
17955 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17956 (cleanup_tree_cfg_loop): Call scev_reset.
17957 * common.opt (fprefetch-loop-arrays-rtl): Add.
17958 * tree-ssa-loop-prefetch.c: New file.
17959 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17960 (new_temp_expr_table): Initialize expr_vars.
17961 (free_temp_expr_table): Cleanup expr_vars.
17962 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17963 expressions from being merged into one.
17964 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17965 (struct tree_niter_desc): Add control, bound and cmp fields.
17966 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17968 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17969 (tree-cfgcleanup.o): Add SCEV_H dependency.
17970 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17971 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17973 2006-02-14 Richard Guenther <rguenther@suse.de>
17975 PR tree-optimization/26258
17976 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17977 in PHI argument processing.
17979 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17981 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17982 new expression in the requested machine mode.
17984 2006-02-13 Roger Sayle <roger@eyesopen.com>
17986 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17987 directly, instead let do_compare_rtx_and_jump handle this for us.
17988 * expr.c (expand_expr_real_1): Likewise.
17989 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17990 before do_jump_by_parts_greater.
17991 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17992 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17994 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17996 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17998 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18000 PR rtl-optimization/26235
18001 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18002 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18005 2006-02-13 Jeff Law <law@redhat.com>
18007 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18010 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18012 PR middle-end/26092
18013 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18014 twice if decl is a builtin. When trying again, call get_callee_fndecl
18015 first to verify it is still a builtin.
18017 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18019 * dwarf2out.c (base_type_die): Don't add AT_name here.
18020 (subrange_type_die): Don't add AT_name here.
18021 (modified_type_die): Rearrange code flow. Do add AT_name here.
18023 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18025 PR rtl-optimization/26247
18026 PR rtl-optimization/26248
18027 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18029 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18031 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18032 * config/fixtfdi.c: Likewise.
18033 * config/fixunstfdi.c: Likewise.
18034 * config/floatditf.c: Likewise.
18036 2006-02-13 Roger Sayle <roger@eyesopen.com>
18038 PR middle-end/24427
18039 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18040 into (X,C2) if C1 is a subset of the bits of C2. Transform
18041 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18043 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18045 2006-02-13 Josh Conner <jconner@apple.com>
18048 * varasm.c (function_section): Check for section name before
18049 calling select_section on targets that define
18050 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18051 unlikely_text_section instead of hot_function_section if
18052 first_function_block_is_cold.
18054 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18056 PR middle-end/25335
18057 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18059 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18061 PR rtl-optimization/26222
18062 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18063 after tree->rtl expansion.
18064 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18065 before passing it to emit_move_insn.
18067 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18069 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18071 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18072 Clarify documentation.
18073 * c-common.h (warn_write_strings): Remove.
18074 * c-common.c (warn_write_strings): Likewise.
18075 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18078 2006-02-12 Roger Sayle <roger@eyesopen.com>
18080 PR middle-end/25724
18081 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18082 (do_jump_parts_zero_rtx): New function renamed from
18083 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18084 (do_jump_parts_equality_rtx): New function split out from
18085 do_jump_parts_equality. Old implementation renamed as above.
18086 Call do_jump_parts_zero_rtx if either operand is zero.
18087 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18088 do all of the heavy lifting.
18089 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18090 calling either do_jump_by_parts_greater_rtx or
18091 do_jump_by_parts_equality_rtx.
18092 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18093 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18094 moved to do_compare_rtx_and_jump, call it directly.
18095 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18096 mode argument. Call do_compare_rtx_and_jump.
18097 (emit_case_nodes): Update calls to do_jump_if_equal.
18099 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18101 PR rtl-optimization/26225
18102 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18104 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18106 PR rtl-optimization/26232
18107 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18109 2006-02-11 Jason Merrill <jason@redhat.com>
18112 * tree-inline.c (declare_return_variable): Just don't use the
18113 modify target if it's a gimple complex reg and the return slot
18116 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18118 * doc/contrib.texi: Update my entry.
18120 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18122 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18124 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18126 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18129 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18131 * doc/invoke.texi (-floop-optimize2): Removed.
18132 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18133 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18134 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18135 * common.opt (floop-optimize2): Removed.
18136 (fmove-loop-invariants): Enabled by default.
18138 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18140 * tree-if-conv.c (combine_blocks): Free the result of
18141 get_loop_exit_edges.
18143 2006-02-10 Jeff Law <law@redhat.com>
18145 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18147 PR tree-optimization/26213
18148 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18149 loop trying to follow SSA_NAME_VALUE chains.
18151 2006-02-10 Richard Guenther <rguenther@suse.de>
18153 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18154 deal with structures that end in implicitly variable sized arrays.
18156 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18158 PR rtl-optimization/24762
18159 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18162 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18164 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18165 (struct ivopts_data): Add regs_used field.
18166 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18167 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18168 instead of loop_data->regs_used;
18169 (free_loop_data): Do not free aux fields for loops.
18170 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18171 and tree_ssa_iv_optimize_finalize.
18173 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18175 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18177 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18180 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18181 computing the effective result type.
18183 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18185 PR inline-asm/16194
18186 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18187 (tree_overlaps_hard_reg_set): Declare.
18188 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18189 type and signature to match function type expected by walk_tree.
18190 (tree_overlaps_hard_reg_set): New function.
18191 (decl_conflicts_with_clobbers_p): Rename to:
18192 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18193 Use tree_overlaps_hard_reg_set. Changed caller.
18194 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18195 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18196 * cris.c (cris_md_asm_clobbers): Likewise.
18198 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18200 * reload1.c (emit_input_reload_insns): Delete code that tries to
18201 inherit using find_equiv_reg.
18203 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18205 * c-common.h (flag_const_strings): Don't declare.
18206 * c-common.c (flag_const_strings): Remove.
18207 * c.opt (fconst_strings): Remove.
18208 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18209 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18210 (c_common_init_options): Don't set flag_const_strings.
18211 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18213 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18215 * arm.md (tlobits_cbranch): New pattern.
18216 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18217 testing a single bit.
18219 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18222 * tree-ssa-pre.c (create_component_ref_by_pieces):
18223 Handle RETURN_DECL like VAR_DECL.
18225 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18227 PR middle-end/26134
18228 * fold-const.c (fold_indirect_ref_1): Fold
18229 "*(foo *)&complexfoo" to "__real__ complexfoo"
18230 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18232 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18234 * tree-flow-inline.h (var_can_have_subvars):
18235 Volatile variables should not have subvariables.
18237 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18240 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18241 multiplying unsigned values.
18244 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18246 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18248 2006-02-08 Jason Merrill <jason@redhat.com>
18251 * tree.def: Elaborate on difference from MODIFY_EXPR.
18252 * doc/c-tree.texi (INIT_EXPR): Likewise.
18253 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18254 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18255 (gimplify_target_expr): Likewise.
18256 (gimplify_cond_expr): Remove target handling.
18257 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18258 (gimplify_expr): Clobber it here.
18259 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18260 Do return slot optimization if we have an INIT_EXPR.
18263 * tree-inline.c (declare_return_variable): Also clear
18264 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18267 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18269 PR middle-end/22439
18270 * gimplify.c (gimplify_one_sizepos): Fix typo.
18272 2006-02-08 Jeff Law <law@redhat.com>
18274 PR tree-optimization/21417
18275 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18276 across a backedge if the control statement at the end of the
18277 block is data dependent on other statements in the same block.
18278 (record_temporary_equivalences_from_stmts): Remove over-conservative
18279 test for threading across backedges.
18281 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18282 control statement, handle all three special cases in the same
18283 manner as they all have the same desired solution. No longer
18284 special case edge flag updating when the post dominator is
18287 2006-02-08 Roger Sayle <roger@eyesopen.com>
18289 * tree.def (CHAR_TYPE): Remove.
18290 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18291 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18292 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18293 (gen_string_type_die): Delete unreachable function.
18295 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18296 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18297 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18298 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18299 * builtins.c (type_to_class): Likewise.
18300 * fold-const.c (fold_convert, build_range_check,
18301 merge_ranges): Likewise.
18302 * expr.c (count_type_elements): Likewise.
18303 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18304 * stor-layout.c (layout_type): Likewise.
18305 * ipa-type-escape.c (type_to_consider): Likewise.
18306 * gimplify.c (omp_firstprivatize_type_sizes,
18307 gimplify_type_sizes): Likewise.
18308 * explow.c (promote_mode): Likewise.
18309 * tree-sra.c (is_sra_scalar_type): Likewise.
18310 * varasm.c (output_constant): Likewise.
18311 * tree-inline.c (remap_type_1): Likewise.
18312 * convert.c (convert_to_pointer, convert_to_real,
18313 convert_to_integer, convert_to_complex): Likewise.
18315 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18317 * df-scan.c (df_def_record_1): A set destination may
18318 be a parallel regardless of mode.
18320 2006-02-08 Roger Sayle <roger@eyesopen.com>
18323 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18324 * config/mips/_tilib.c: Remove.
18325 * config/fixtfdi.c: New libgcc source file.
18326 * config/fixunstfdi.c: New source file.
18327 * config/floatditf.c: New source file.
18328 * config/floatunditf.c: New souce file.
18329 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18330 files above instead of config/mips/_tilib.c.
18331 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18333 2006-02-08 Jeff Law <law@redhat.com>
18335 PR tree-optimization/26169
18336 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18339 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18341 * df.h (DF_REG_SIZE): Return the length of the initialized
18344 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18346 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18347 __muldf3): Return a correctly signed zero.
18349 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18351 * passes.c (register_one_dump_file): Accept the current properties
18352 instead of pass number. Adjust call to dump_register. Remove
18354 (register_dump_files): Now a wrapper around...
18355 (register_dump_files_1): ... this one. Do not modify the pass
18357 (next_pass_1): Cosmetic fix.
18358 (execute_todo): Keep second parameter only. Use curr_properties
18359 instead of fetching it from the pass structure. Check and set
18361 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18362 instead of fetching it from the pass structure. Fix calls to
18363 execute_todo. Update curr_properties and initialize .vcg RTL dump
18364 after running the pass. Reset last_verified.
18365 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18367 (FIRST_AUTO_NUMBERED_DUMP): New.
18368 (dump_register): Remove "num" parameter, assign it within the
18370 (get_dump_file_name): Modify template for dumps.
18371 * tree-dump.h (dump_register): Adjust prototype.
18372 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18373 (PROP_trees): Add PROP_gimple_lomp.
18374 (TODO_set_props): New.
18375 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18376 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18377 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18379 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18381 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18382 (sparc64-*-linux*): Likewise.
18383 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18384 * config/sparc/t-linux: New file.
18385 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18386 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18387 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18388 -m32 -mlong-double-128.
18390 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18391 * config/alpha/t-linux: New file.
18392 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18394 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18395 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18396 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18397 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18398 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18399 (CPP_ARCH32_SPEC): Remove.
18401 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18403 PR tree-optimization/26145
18404 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18407 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18410 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18411 >= 240000 when generating code for SOM runtime.
18412 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18413 to $$dyncall when generating code for SOM runtime..
18415 2006-02-07 Dirk Mueller <dmueller@suse.com>
18418 * doc/invoke.texi (-Wsequence-point): Update documentation
18419 that -Wsequence-point is implemented for C++ as well.
18421 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18423 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18424 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18425 (LIB_SPEC): Likewise.
18426 * doc/invoke.texi (SPARC options): Document -pthread.
18428 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18430 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18433 2006-02-07 Roger Sayle <roger@eyesopen.com>
18435 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18436 Correct comment describing BOOLEAN_TYPE.
18438 2006-02-07 Dirk Mueller <dmueller@suse.com>
18440 * c.opt: C++ frontend supports -Wdiv-by-zero.
18441 * c-opts.c (c_common_handle_option): Remove dead case.
18443 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18445 * configure.ac (TLS assembler check): Do not enable TLS by
18446 default on SPARC/Solaris before version 10.
18447 * configure: Regenerate.
18449 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18451 * doc/invoke.texi (xl-compat): Document conversion and support
18454 2006-02-07 Jeff Law <law@redhat.com>
18456 * tree-vrp.c (find_conditional_asserts): Update comments.
18457 (simplify_stmt_for_jump_threading): New.
18458 (identify_jump_threads, finalize_jump_threads): New.
18459 (vrp_finalize): Call identify_jump_threads.
18460 (execute_vrp): Call finalize_jump_threads.
18461 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18462 (vrp_element, vrp_data, vrp_element_p): Remove.
18463 (vrp_hash_elt, vrp_variables_stack): Remove.
18464 (vrp_hash, vrp_eq, record_range): Remove.
18465 (simplify_cond_and_lookup_avail_expr): Remove.
18466 (extract_range_from_cond): Remove.
18467 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18468 (simplify_stmt_for_jump_threading): New.
18469 (dom_thread_across_edge): New wrapper.
18470 (tree_ssa_dominator_optimize): No longer initialize or
18471 finalize any of the VRP datastructures. Remove iteration
18472 step and simplify as a result of removal of iteration step.
18473 (pass_dominator): Perform a cfg cleanup after DOM.
18474 (dom_opt_finalize_block): Use the new common routines
18475 for threading jumps. Simplify stack management slightly.
18476 No longer need to unwind VRP state.
18477 (record_equivalences_from_incoming_edge): No longer record
18479 (eliminate_redundant_computations): No longer call
18480 simplify_cond_and_lookup_avail_expr.
18481 * tree-flow.h (potentially_threadable_block): Prototype.
18482 (thread_across_edge): Likewise.
18483 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18484 (tree-ssa-threadedge.o): Add dependencies.
18485 * tree-ssa-threadedge.c: New file.
18486 * passes.c (init_optimization_passes): Merge PHIs before
18487 calling VRP. Run VRP again late in the SSA optimization pipeline.
18489 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18491 * df-core.c (df_set_blocks): Do not dereference function pointers.
18492 (df_finish1): Likewise.
18493 (df_hybrid_search_forward): Likewise.
18494 (df_hybrid_search_backward): Likewise.
18495 (df_iterative_dataflow): Likewise.
18496 (df_analyze_problem): Likewise.
18497 (df_compact_blocks): Likewise.
18498 (df_dump): Likewise.
18499 * df-scan.c (df_rescan_blocks): Likewise.
18500 (df_record_entry_block_defs): Likewise.
18502 * genconditions.c (write_conditions): Guard the definition of
18503 'insn_conditions' with the check on GCC version.
18504 (write_writer): Guard the traversal 'insn_conditions' with
18505 the check on GCC version.
18507 2006-02-07 Richard Guenther <rguenther@suse.de>
18511 2006-01-30 Richard Guenther <rguenther@suse.de>
18513 * gimplify.c (gimplify_target_expr): Handle easy cases
18514 without creating a temporary.
18516 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18518 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18519 use of float in probability computations. Use edge probabilities
18520 in place of statically computed probabilities.
18521 (min_spec_prob): New static variable.
18522 (schedule_insns): Initialize it.
18523 (GET_SRC_PROB): Removed.
18524 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18526 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18529 * config/ia64/unwind-ia64.c: Revert last change.
18530 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18531 (INCOMING_FRAME_SP_OFFSET): Define.
18533 2006-02-06 Roger Sayle <roger@eyesopen.com>
18535 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18537 2006-02-07 Ben Elliston <bje@au.ibm.com>
18539 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18540 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18541 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18542 (ix86_return_in_memory): Handle TDmode.
18543 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18544 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18546 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18548 * reorg.c (dbr_schedule): Use dump_file instead of file.
18550 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18553 * config/ia64/predicates.md (extr_len_operand): New predicate.
18554 * config/ia64/ia64.md (extv): Tighten constraints.
18556 (*tbit_and_2): Ditto.
18557 (*tbit_and_3): Ditto.
18558 (*tbit_or_2): Ditto.
18559 (*tbit_or_3): Ditto.
18560 (*bit_zero): Ditto.
18563 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18566 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18568 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18570 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18571 loop_optimizer_init and loop_optimizer_finalize
18572 * tree-ssa-sink.c (execute_sink_code): Ditto.
18573 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18574 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18575 tree_ssa_loop_done): Ditto.
18576 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18577 * sched-ebb.c: Include output.h.
18578 (schedule_ebbs): Do not use dump argument.
18579 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18580 * loop.c (loop_dump_stream): Removed.
18581 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18583 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18584 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18585 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18586 loop_iterations, strength_reduce, record_biv, record_giv,
18587 final_giv_value, check_final_value, check_ext_dependent_givs,
18588 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18589 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18590 dump_file instead of loop_dump_stream.
18591 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18592 argument dump_file.
18593 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18595 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18596 * haifa-sched.c: Include output.h
18597 (schedule_insns, sched_init): Do not use dump argument.
18598 * mode-switching.c (optimize_mode_switching): Ditto.
18599 * modulo-sched.c (stats_file): Removed.
18600 (print_node_sched_params): Do not call argument dump_file.
18601 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18602 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18604 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18606 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18607 rtl_loop_init, rtl_loop_done): Ditto.
18608 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18609 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18611 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18612 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18613 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18614 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18615 * emit-rtl.c (renumber_insns): Ditto.
18616 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18617 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18618 * regclass.c (regclass): Ditto.
18619 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18620 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18621 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18622 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18624 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18625 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18627 * gcse.c (gcse_file, debug_stderr): Removed.
18628 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18629 rest_of_handle_gcse): Do not use dump argument.
18630 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18631 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18632 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18633 compute_code_hoist_vbeinout, compute_code_hoist_data,
18634 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18635 compute_store_table, build_store_vectors, insert_insn_start_bb,
18636 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18637 store_motion): Use dump_file instead of gcse_file.
18638 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18639 * profile.c (profile_dump_file): Removed.
18640 (branch_prob): Use dump_file instead of profile_dump_file.
18641 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18643 * tree-ssa-copy.c (dump_copy_of): Ditto.
18644 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18645 dump file to life_analysis.
18646 * bt-load.c (branch_target_load_optimize): Ditto.
18647 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18649 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18650 regclass, dbr_schedule): Declaration changed.
18651 * sched-int.h (sched_init): Declaration changed.
18652 * tree-profile.c (tree_profile_dump_file): Removed.
18653 (tree_profile_hooks): Removed profile_dump_file hook.
18654 * rtl-profile (rtl_profile_dump_file): Removed.
18655 (rtl_profile_hooks): emoved profile_dump_file hook.
18656 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18658 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18659 * tree-cfg.c (build_tree_cfg): Ditto.
18660 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18661 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18662 Declaration changed.
18663 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18664 life_analysis and schedule_insns.
18665 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18667 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18669 * config/mips/mips.c (mips_reorg): Ditto.
18670 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18673 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18675 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18676 (s390_mangle_fundamental_type): New.
18677 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18680 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18681 (alpha_mangle_fundamental_type): New.
18682 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18685 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18687 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18689 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18690 (sparc_mangle_fundamental_type): New.
18692 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18694 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18695 (s390x-*-linux*): Likewise.
18696 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18697 * config/s390/t-linux: New file.
18699 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18701 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18702 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18704 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18706 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18707 (ANTIC_SAFE_LOADS): New macro.
18708 (find_or_generate_expression): Add prototype.
18709 (set_contains_value): Allow null set for sake of not always having
18710 to allocate ANTIC_SAFE_LOADS.
18711 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18712 Allow COMPONENT_REF too.
18713 (valid_in_set): Allow COMPONENT_REF.
18714 Check ANTIC_SAFE_LOADS too.
18715 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18716 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18718 (can_PRE_operation): Add COMPONENT_REF.
18719 (create_component_ref_by_pieces): New function.
18720 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18721 (insert_aux): Move AGGREGATE_TYPE_P check here.
18722 (compute_avail): Set bb local stmt uids.
18723 (pass_pre): Use TODO_update_ssa_only_virtuals.
18725 2006-02-06 Ben Elliston <bje@au.ibm.com>
18727 * configure.ac: Unconditionally disable decimal float by default.
18728 * configure: Regenerate.
18730 2006-02-06 Ben Elliston <bje@au.ibm.com>
18732 * read-rtl.c (read_name): Terminate reading on EOF.
18734 2006-02-06 Ben Elliston <bje@au.ibm.com>
18736 * dfp.c (decimal_real_arithmetic): Change second argument type
18737 from int to enum tree_code. Do not always return true, but now
18738 return result of any call to decimal_do helper functions.
18739 * dfp.h (decimal_real_arithmetic): Update prototype.
18741 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18743 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18745 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18748 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18751 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18753 * tree-vrp.c (cfg_loops): Removed.
18754 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18755 Use current_loops instead of cfg_loops. Pass flags to
18756 loop_optimizer_init.
18757 * cfgloopmanip.c (fix_loop_structure): Update only available
18759 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18760 loop_optimizer_init.
18761 * modulo-sched.c (build_loops_structure): Removed.
18762 (sms_schedule): Use loop_optimizer_init.
18763 * loop-init.c (loop_optimizer_init): Use flags to determine
18764 which properties of loops to prepare.
18765 (rtl_loop_init): Pass flags to loop_optimizer_init.
18766 * tree-ssa-sink.c (execute_sink_code): Ditto.
18767 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18768 * tree-ssa-pre.c (init_pre): Ditto.
18769 * cfgloop.h (LOOPS_NORMAL): New.
18770 (loop_optimizer_init): Declaration changed.
18772 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18774 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18775 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18777 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18779 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18781 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18782 * pa/t-pa64: Delete quadlib.c rule.
18783 * pa/x-ada: Revert last change.
18784 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18786 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18788 PR rtl-optimization/26087
18789 * rtlanal.c (canonicalize_condition): Do not cross basic block
18792 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18795 * config/ia64/ia64.c: Include debug.h.
18796 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18797 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18798 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18799 (process_epilogue, process_set, process_for_unwind_directive):
18800 Output unwind info only if requested. Add CFA info if requested.
18801 Add new arguments as needed. Adjust callers.
18802 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18804 (DWARF2_FRAME_INFO): Define to zero.
18805 * config/ia64/unwind-ia64.c: Remove code that compensated for
18806 the CFA offset error fixed above.
18807 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18808 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18809 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18810 -funwind-tables and -fexceptions to enable frame info.
18811 (dwarf2out_frame_init): Define initial CFA even if
18812 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18813 DWARF2_UNWIND_INFO is nonzero, not just defined.
18814 (dwarf2out_frame_finish): Output non-EH call frame info only
18815 if DWARF2_FRAME_INFO is nonzero.
18816 (convert_cfa_to_loc_list,
18817 compute_frame_pointer_to_cfa_displacement): Define even if
18818 unwind info is not supported.
18819 (gen_subprogram_die): Use the above unconditionally. Remove
18820 legacy alternate code.
18821 * toplev.c (compile_file): Compile in call to
18822 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18823 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18825 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18826 Jakub Jelinek <jakub@redhat.com>
18828 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18829 IBM extended float format long double as "g" on powerpc*-linux.
18831 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18834 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18835 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18837 2006-02-03 Jason Merrill <jason@redhat.com>
18840 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18842 PR middle-end/25977
18843 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18844 on the return slot if it's an NRV.
18846 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18848 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18849 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18850 rewrite_use): Do not handle USE_OUTER.
18851 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18852 add_iv_outer_candidates, may_replace_final_value,
18853 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18854 (find_interesting_uses_op): Functionality of
18855 find_interesting_uses_outer_or_nonlin moved here.
18856 (find_interesting_uses_outside): Use find_interesting_uses_op.
18858 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18861 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18863 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18864 Ulrich Weigand <uweigand@de.ibm.com>
18867 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18868 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18869 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18870 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18872 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18873 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18874 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18875 Define secondary reloads for TFmode moves.
18876 (constant_modes): Add TFmode.
18877 (NR_C_MODES): Set to 8.
18878 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18880 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18881 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18882 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18883 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18884 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18885 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18886 (FPR mode macro): Add TFmode.
18887 (DSF mode macro): New.
18888 (<de>, <dee> mode attributes): Removed.
18889 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18890 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18891 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18892 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18893 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18894 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18895 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18896 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18897 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18898 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18899 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18900 "*negabs<mode>2", "sqrt<mode>2"):
18901 Changed <de> to <xde>. R constraint replaced by <Rf>.
18902 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18904 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18905 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18906 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18908 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18909 "extenddftf2", "extendsftf2"): New expanders.
18910 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18911 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18912 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18913 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18915 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18916 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18917 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18918 __floatditf): Add a GCC_4.1.0 symbol version tag.
18919 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18922 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18925 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18926 Use targetm.binds_local_p instead of TREE_PUBLIC.
18928 2006-02-02 Roger Sayle <roger@eyesopen.com>
18930 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18931 on INTEGER_TYPEs to indicate that it denotes a character type.
18932 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18933 signed_char_type_node, unsigned_char_type_node and char_type_node.
18934 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18935 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18936 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18938 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18939 Daniel Berlin <dberlin@dberlin.org>
18941 * tree-tailcall.c (arg_needs_copy_p): New function.
18942 (eliminate_tail_call): Use arg_needs_copy_p.
18943 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18944 (add_virtual_phis): New function.
18946 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18948 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18949 #ignore instead of #scratch for %g7 .register directive.
18951 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18953 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18956 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18958 * flow.c (calculate_global_regs_live): Assert that there aren't any
18961 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18963 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18964 what its name says.
18965 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18966 bsi_after_labels iterator.
18967 * tree-if-conv.c (find_phi_replacement_condition,
18968 replace_phi_with_cond_modify_expr): Likewise.
18969 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18970 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18972 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18974 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18976 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18979 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18980 array after growing it.
18982 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18984 PR middle-end/24901
18985 * fold-const.c (fold_checksum_tree): Change type of buf.
18987 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18989 * reload.c (push_secondary_reload): Initialize t_icode.
18991 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18993 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18994 -msoft-float -mlong-double-128 only issue a warning, but don't
18995 swich to DFmode long double.
18997 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18999 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19000 has a constant equivalent, iterate over equivalents for arg0,
19001 calling simplify_relational_operation and if there's a result
19002 cheaper than X, apply fold_rtx and return the result.
19004 2006-02-01 Jan Hubicka <jh@suse.cz>
19006 * opts.c (no_unit_at_a_time_default): New global variable.
19007 (decode_options): Use it.
19008 * opts.h (no_unit_at_a_time_default): Declare.
19010 2006-02-01 Paul Brook <paul@codesourcery.com>
19012 * function.c (assign_parm_setup_reg): Use function argument promotion
19014 * expr.c (expand_expr_real_1): Use function argument promotion rules
19017 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19019 * gcc.c (process_command): Change j to 'unsigned int'.
19021 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19023 PR middle-end/26001
19024 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19025 Use the corrected index for the character
19026 out of the string constant.
19028 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19030 * mode-switching.c (optimize_mode_switching): Fix size
19031 allocated for bb_info[n_entities].
19033 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19035 * gcc.c (main): Correct type that is allocated for
19036 explicit_link_files.
19038 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19040 * config/s390/s390.c (init_alignment_context): Set
19041 ALIAS_SET_MEMORY_BARRIER on the MEM.
19042 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19044 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19046 PR middle-end/25933
19047 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19049 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19052 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19054 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19055 * regrename.c: Ditto.
19056 * tree-ssa-loop-im.c: Ditto.
19057 * tree-dump.c: Ditto.
19058 * tree-complex.c: Ditto.
19059 * genrecog.c: Ditto.
19060 * tree-ssa-threadupdate.c: Ditto.
19062 * java/class.c: Ditto.
19063 * java/jcf-parse.c: Ditto.
19064 * java/resource.c: Ditto.
19065 * java/except.c: Ditto.
19066 * java/jvspec.c: Ditto.
19067 * java/jcf-write.c: Ditto.
19068 * java/jcf-path.c: Ditto.
19069 * java/gjavah.c: Ditto.
19070 * java/zextract.c: Ditto.
19071 * java/jcf-io.c: Ditto.
19072 * java/jcf.h: Ditto.
19073 * java/buffer.c: Ditto.
19074 * java/lang.c: Ditto.
19075 * java/parse-scan.y: Ditto.
19076 * java/lex.c: Ditto.
19077 * java/lex.h: Ditto.
19078 * cfgloopmanip.c: Ditto.
19079 * postreload-gcse.c: Ditto.
19080 * tree-ssa-loop-manip.c: Ditto.
19081 * postreload.c: Ditto.
19082 * tree-ssa-loop-ch.c: Ditto.
19085 * cppspec.c: Ditto.
19086 * diagnostic.c: Ditto.
19088 * genoutput.c: Ditto.
19090 * cfghooks.c: Ditto.
19091 * cfgloopanal.c: Ditto.
19092 * objc/objc-act.c: Ditto.
19094 * genextract.c: Ditto.
19095 * genautomata.c: Ditto.
19096 * pretty-print.c: Ditto.
19097 * genemit.c: Ditto.
19098 * cgraphunit.c: Ditto.
19100 * df-scan.c: Ditto.
19101 * haifa-sched.c: Ditto.
19102 * dominance.c: Ditto.
19104 * tree-ssa-loop-ivopts.c: Ditto.
19105 * df-core.c: Ditto.
19106 * mode-switching.c: Ditto.
19107 * modulo-sched.c: Ditto.
19109 * ipa-pure-const.c: Ditto.
19111 * fix-header.c: Ditto.
19113 * tree-stdarg.c: Ditto.
19114 * ipa-utils.c: Ditto.
19115 * loop-init.c: Ditto.
19116 * ipa-inline.c: Ditto.
19117 * cfganal.c: Ditto.
19119 * alloc-pool.c: Ditto.
19120 * dwarf2out.c: Ditto.
19122 * genattrtab.c: Ditto.
19123 * tree-ssa-loop-ivcanon.c: Ditto.
19124 * predict.c: Ditto.
19125 * timevar.c: Ditto.
19127 * fortran/gfortranspec.c: Ditto.
19128 * regmove.c: Ditto.
19129 * local-alloc.c: Ditto.
19130 * langhooks.c: Ditto.
19131 * function.c: Ditto.
19132 * tree-vectorizer.c: Ditto.
19134 * ipa-type-escape.c: Ditto.
19136 * tree-if-conv.c: Ditto.
19137 * profile.c: Ditto.
19139 * tree-data-ref.c: Ditto.
19140 * loop-unroll.c: Ditto.
19141 * treelang/treetree.c: Ditto.
19143 * bt-load.c: Ditto.
19144 * ggc-common.c: Ditto.
19146 * coverage.c: Ditto.
19148 * tree-cfgcleanup.c: Ditto.
19149 * tree-ssa-pre.c: Ditto.
19150 * cfgcleanup.c: Ditto.
19151 * loop-invariant.c: Ditto.
19152 * loop-iv.c: Ditto.
19153 * ipa-prop.c: Ditto.
19154 * print-tree.c: Ditto.
19155 * conflict.c: Ditto.
19156 * ggc-page.c: Ditto.
19157 * sched-deps.c: Ditto.
19158 * regclass.c: Ditto.
19159 * tree-object-size.c: Ditto.
19160 * combine.c: Ditto.
19161 * bb-reorder.c: Ditto.
19162 * resource.c: Ditto.
19163 * var-tracking.c: Ditto.
19164 * cfgloop.c: Ditto.
19165 * df-problems.c: Ditto.
19166 * reg-stack.c: Ditto.
19168 * gccspec.c: Ditto.
19169 * sched-rgn.c: Ditto.
19170 * tree-ssa-structalias.c: Ditto.
19171 * tree-ssa-reassoc.c: Ditto.
19172 * config/darwin-c.c: Ditto.
19173 * config/darwin.c: Ditto.
19174 * config/arm/arm.c: Ditto.
19176 * collect2.c: Ditto.
19177 * reload1.c: Ditto.
19179 2006-01-31 Nicolas Pitre <nico@cam.org>
19181 * arm.md (smaxsi3): Make aware of smax_m1.
19184 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19186 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19188 2006-01-31 Richard Guenther <rguenther@suse.de>
19190 * doc/invoke.texi (-msselibm): Document.
19191 * target.h (expand_library_builtin): New target hook.
19192 * builtins.c (expand_builtin): Use expand_library_builtin.
19193 (default_expand_library_builtin): New function.
19194 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19195 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19196 (link_gcc_math_spec): Declare.
19197 (static_specs): Add link_gcc_math_spec.
19198 * expr.h (default_expand_library_builtin): Declare.
19199 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19200 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19201 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19202 * config/i386/i386.opt (msselibm): New target option.
19203 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19204 (ix86_init_sse_abi_builtins): New function.
19205 (ix86_expand_library_builtin): Likewise.
19206 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19207 (override_options): Handle error conditions wrt -msselibm.
19208 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19209 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19210 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19213 2006-01-31 Richard Guenther <rguenther@suse.de>
19214 Paolo Bonzini <bonzini@gnu.org>
19216 * doc/install.texi (--disable-libgcc-math): Document.
19218 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19220 * expr.h (expand_normal): new inline function.
19221 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19222 * dojump.c: use it.
19223 * dwarf2out.c: use it.
19226 * expmed.c: use it.
19227 * except.c: use it.
19228 * config/sparc/sparc.c: use it.
19229 * config/i386/i386.c: use it.
19230 * config/rs6000/rs6000.c: use it.
19231 * config/arm/arm.c: use it.
19232 * config/mips/mips.c: use it.
19233 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19235 2006-01-30 Roger Sayle <roger@eyesopen.com>
19237 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19238 argv to the appropriate type.
19240 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19242 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19245 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19248 * config/s390/s390.c (struct machine_function): New flag
19249 decomposed_literal_pool_addresses_ok_p.
19250 (s390_reorg): Set it before final stage of literal pool transforms.
19251 (s390_decompose_address): Only accept displacements of the form
19252 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19254 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19256 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19257 the comparison routine return.
19259 2006-01-30 Michael Matz <matz@suse.de>
19261 * global.c (find_reg): Only evict for global regs.
19262 Take n_refs into account and dump more info.
19264 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19267 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19268 (pragma_trap, pragma_nosave_low_regs): Likewise.
19269 (current_function_anonymous_args): Likewise.
19270 (sh_deferred_function_attributes): New variable.
19271 (sh_deferred_function_attributes_tail): Likewise.
19272 (print_operand): For '@', look up trap_exit attribute.
19273 (calc_live_regs): Look up trapa_handler attribute. For trapa
19274 handlers, save/restore fpscr, but don't do any other
19275 interrupt-specific saves.
19276 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19277 Fix check for partially saved registers to check for SHmedia.
19278 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19279 (sh_output_function_epilogue): Don't clear any of the removed
19281 (sh_insert_attributes): Don't check pragma_interrupt.
19282 Insert deferred attributes. Check that interrupt attribute is
19283 present for other attributes that require its presence.
19284 (sh_attribute_table): Add new attributes trapa_handler and
19286 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19287 Don't check for pragma_interrupt. Don't store argument.
19288 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19289 (sh_deferred_function_attributes): Declare.
19290 (sh_deferred_function_attributes_tail): Likewise.
19291 * sh.md (sp_switch_1): Add operand. Change generator caller.
19292 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19293 (*return_i): Don't use when trap_exit attribute is in effect.
19294 (*return_trapa): New insn pattern.
19295 * sh-c.c: New file.
19296 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19297 setting c_target_objs and cxx_target_objs.
19298 * t-sh: Add rule for sh-c.o.
19300 2006-01-30 Richard Guenther <rguenther@suse.de>
19303 * gimplify.c (gimplify_target_expr): Handle easy cases
19304 without creating a temporary.
19306 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19308 * vec.h (safe_grow): Remove duplicated line.
19310 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19313 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19314 (expand_omp): ... here.
19315 (expand_omp_parallel): Only remove barriers for combined
19316 parallel+workshare constructs.
19318 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19322 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19323 * tree.c (build_qualified_type): Chain the new type to the original
19324 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19325 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19326 (build_pointer_type_for_mode): Only return unqualified types.
19327 (build_reference_type_for_mode): Likewise.
19329 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19331 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19332 * Makefile.in (CXX_COMPAT_WARN): Define.
19333 * configure: Regenerate.
19335 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19338 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19341 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19343 * toplev.c: Fix thinko.
19345 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19346 Marcin Dalecki <martin@dalecki.de>
19348 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19349 (push_srcloc): Use XNEW.
19350 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19352 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19354 * df-core.c (df_set_blocks): Deleted all variable.
19356 2006-01-28 Ian Lance Taylor <ian@airs.com>
19358 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19359 cgraph_output_pending_asms.
19361 2006-01-28 Zack Weinberg <zackw@panix.com>
19363 * c.opt: Add -W(no-)overlength-strings.
19364 * doc/invoke.texi: Document it.
19365 * c-opts.c (c_common_handle_option): -pedantic implies
19366 -Woverlength-strings, if not explicitly disabled already.
19367 (c_common_post_options): -Woverlength-strings defaults to off, and
19368 is always off for C++.
19369 * c-common.c (fix_string_type): Issue warning about strings longer
19370 than is portable only if warn_overlength_strings. Rearrange code
19371 a little for clarity.
19372 * configure.in: Check for -Wno-overlength-strings as well before
19373 enabling -pedantic in stage 1.
19374 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19375 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19377 * genconditions.c (write_header, write_one_condition)
19378 (write_conditions, write_writer): Consolidate very long strings
19379 that were broken up to fit in C89 portable limit. Don't use
19380 printf when fputs will do.
19382 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19384 * combine.c (simplify_comparison <AND>): Check
19385 TRULY_NOOP_TRUNCATION before start using a subreg.
19387 * config/mips/mips.md (*branch_zero<mode>,
19388 *branch_zero<mode>_inverted, *branch_equality<mode>,
19389 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19390 Remove mode check from comparisons.
19392 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19394 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19396 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19398 * expmed.c (const_mult_add_overflow_p): Remove.
19399 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19401 * recog.c (validate_replace_rtx_subexp): Remove.
19402 * recog.h: Remove the prototype for
19403 validate_replace_rtx_subexp.
19405 * integrate.h: Remove the prototype for
19406 copy_decl_for_inlining.
19407 * rtl.h: Remove the prototype for mark_constant_function.
19408 * tree-vectorizer.h: Remove the prototype for
19409 vect_strip_conversion.
19411 * modulo-sched.c (create_partial_schedule,
19412 free_partial_schedule, reset_partial_schedule): Make them
19415 * hooks.c (hook_bool_rtx_int_false): Remove.
19416 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19418 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19420 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19421 and -mlong-double-128 are incompatible.
19422 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19423 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19424 (TARGET_LIBGCC2_CFLAGS): Define.
19425 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19426 (TARGET_LIBGCC2_CFLAGS): Same.
19427 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19429 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19432 * c-typeck.c (build_binary_op): Perform implicit casts of
19433 operands before shortening them.
19435 * cfgloopmanip.c (split_loop_bb): Remove.
19436 * cfgloop.h: Remove the prototype for split_loop_bb.
19438 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19439 * cfgloop.h: Remove the prototype for
19440 flow_loop_outside_edge_p.
19442 * emit-rtl.c (init_virtual_regs): Make it static.
19443 * function.h: Remove the prototype for init_virtual_regs.
19445 * recog.c (peephole2_optimize): Make it static.
19446 * recog.h: Remove the prototype for peephole2_optimize.
19448 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19450 * df-scan.c (df_record_entry_block_defs): Check if
19451 INCOMING_RETURN_ADDR_RTX is defined.
19453 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19454 Kenneth Zadeck <zadeck@naturalbridge.com>
19456 PR rtl-optimization/24762
19457 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19458 * targhooks.c (hook_void_bitmap): New hook prototype.
19459 * targhoohs.h (hook_void_bitmap): Ditto.
19460 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19461 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19462 * target.h (live_on_entry): New function pointer.
19463 * df-scan.c (df_all_hard_regs): Removed.
19464 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19465 (df_scan_free_internal): Added df->entry_block_defs.
19466 (df_scan_alloc): Ditto.
19467 (df_scan_dump): Ditto.
19468 (df_uses_record): Plumbed flag field properly thru calls.
19469 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19470 This part fixes PR24762.
19471 (df_bb_refs_record): Added code to make the frame and arg
19472 pointers live in EH blocks.
19473 (df_refs_record): Added call to df_record_entry_block_defs.
19474 (df_record_entry_block_defs): New function.
19475 * df-core.c: Added comments to describe new artifical defs.
19476 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19477 (entry_block_defs): New field in struct df.
19478 (df_all_hard_regs): Deleted.
19479 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19480 * df-problems.c (df_ru_bb_local_compute_process_def):
19481 Added code to handle artifical defs in the entry to a function.
19482 (df_ru_bb_local_compute): Ditto.
19483 (df_rd_bb_local_compute_process_def): Ditto.
19484 (df_rd_bb_local_compute): Ditto.
19485 (df_lr_bb_local_compute): Ditto.
19486 (df_ur_bb_local_compute): Ditto.
19487 (df_urec_bb_local_compute): Ditto.
19488 (df_chain_create_bb): Ditto.
19489 (df_ur_local_finalize): Removed entry.
19490 (df_urec_init): Ditto.
19491 (df_urec_local_finalize): Ditto.
19492 (df_ri_bb_compute): Added detection of last use of pseudos.
19493 * Makefile.in (df-scan.o): Updated dependencies.
19494 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19495 * config/mips/mips.c (mips_set_live_on_entry): Added.
19496 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19498 * dce.c (marked_insn_p): Added code to handle artifical defs.
19500 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19502 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19504 (_mm_cvtsi128_si64): Likewise.
19505 (_mm_cvtsd_si64): Likewise.
19506 (_mm_cvttsd_si64): Likewise.
19507 (_mm_cvtsi64_sd): Likewise.
19508 (_mm_cvtsi64_si128): Likewise.
19509 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19510 (_mm_cvtsi64_m64): Likewise.
19511 (_m_to_int64): Likewise.
19512 (_mm_cvtm64_si64): Likewise.
19513 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19514 (_mm_cvttss_si64): Likewise.
19515 (_mm_cvtsi64_ss): Likewise.
19516 (_mm_cvtss_f32): Likewise.
19518 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19520 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19521 for pragma redefine_extname.
19523 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19526 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19527 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19528 -mno-minimal-toc to previous content.
19529 (bispecs): Remove goal.
19530 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19531 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19532 compatibility aliases on powerpc-*-*gnu*.
19533 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19534 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19535 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19536 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19537 (ldblspecs): New goal.
19538 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19539 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19541 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19542 L_sf_to_tf or L_df_to_tf is defined.
19544 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19545 Alan Modra <amodra@bigpond.net.au>
19548 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19549 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19550 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19551 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19552 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19553 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19554 (rs6000_override_options): Initialize rs6000_ieeequad.
19555 Initialize TFmode format to ibm_extended_format if not
19557 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19559 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19560 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19561 (function_arg_advance): IBM long double passed in two FPRs, not
19563 (function_arg): IBM long double passed in FPRs.
19564 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19565 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19566 Only multireg GPR aligned.
19567 (rs6000_init_libfuncs): Enable IBM long double functions if not
19569 (rs6000_generate_compare): Use IBM long double compare if not
19571 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19572 (TARGET_IEEEQUAD): Define.
19573 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19574 not TARGET_IEEEQUAD.
19575 * config/rs6000/rs6000.md: Enable TFmode patterns if
19577 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19578 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19579 and -mlong-double-128 are incompatible.
19580 * doc/invoke.texi (-mabi): Collect options together. Add
19581 ibmlongdouble and ieeelongdouble.
19583 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19585 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19587 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19588 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19589 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19590 * rtl.h (rtunion_def): Remove rt_ptr.
19592 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19593 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19594 * config/i386/winnt.c (i386_pe_mark_dllexport)
19595 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19597 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19599 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19601 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19605 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19606 pthread_key_delete. From John David Anglin. gthrw-ify
19607 pthread_getunique_np only if it it's not a macro. Delete
19609 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19610 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19611 __gthread_objc_condition_signal, __gthread_key_delete): Add
19612 "__attribute__ ((__unused__))" to unused arguments.
19613 (__gthread_recursive_mutex_init_function): Add missing return.
19614 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19615 gthr-posix95.h: Use macro-based approach for name redirection
19616 on targets missing weakref.
19618 2006-01-26 Zack Weinberg <zackw@panix.com>
19620 * genconditions.c (write_header): In generated code, #ifdef out
19621 all includes and fake declarations, except includes of bconfig.h
19622 and system.h, unless GCC_VERSION >= 3001. Do not include
19623 gensupport.h in any case.
19624 (write_conditions): Generate a definition of struct c_test. Add
19625 a comment to the generated #endif.
19626 (write_one_condition): Escape backslashes in string too.
19627 (write_writer): Generated code must escape backslashes and quote
19628 marks (but not newlines) in the strings it writes.
19629 * Makefile.in (build/gencondmd.o): Update dependencies.
19631 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19634 * Makefile.in (insn-automata.o): Add header file dependencies.
19635 * genautomata.c: Add includes.
19637 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19640 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19642 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19644 * configure.ac: Expect target tools paths to be passed from the toplevel
19645 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19647 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19649 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19652 * c.opt (Wpointer-sign): Init to -1.
19653 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19654 OPT_pedantic, to 0 otherwise.
19655 * doc/invoke.texi: Update.
19657 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19659 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19660 constants provided by 80387 instructions in the destination mode.
19662 2006-01-26 Richard Guenther <rguenther@suse.de>
19663 Andrew Pinski <pinskia@physics.uc.edu>
19666 partial PR tree-opt/17064
19667 * tree-ssa-structalias.c (intra_create_variable_infos):
19668 Create heap variables for incoming parameters if
19669 flag_argument_noalias > 1.
19670 (find_what_p_points_to): Look through default defs of
19673 2006-01-26 Jeff Law <law@redhat.com>
19676 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19677 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19678 within the VR_RANGE, use the VR_RANGE as the result, not the
19680 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19681 bounds for the type.
19683 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19685 * tree-ssa-alias.c (maybe_create_global_var): Change
19686 subvar walking to an assertion that we don't have subvar'd variables.
19688 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19691 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19692 Use a new variable, inner. PARM_DECLs are always non-weak.
19694 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19696 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19697 --disable-checking.
19699 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19701 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19703 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19705 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19706 (smax_insn, smin_insn, smax_0, smin_0): New.
19708 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19711 * config/cris/cris.c (cris_order_for_addsi3): New function.
19712 * config/cris/cris-protos.h: Prototype it.
19713 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19714 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19715 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19716 (split for "op.S1 [rx=rx+i],ry (swapped)")
19717 (split for "op(s|u).S1 [rx=rx+i],ry")
19718 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19719 Apply cris_order_for_addsi3 when generating addsi3 insns.
19721 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19723 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19724 (TREE_BLOCK): Add call to EXPR_CHECK.
19726 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19729 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19730 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19731 (dump_omp_clauses): ... here.
19732 (dump_generic_node): Handle OMP_CLAUSE.
19733 * tree.c (omp_clause_num_ops): New.
19734 (omp_clause_code_name): New.
19735 (tree_code_size): Handle OMP_CLAUSE.
19736 (tree_size): Likewise.
19737 (make_node): Document handling of OMP_CLAUSE.
19738 (tree_node_structure): Handle OMP_CLAUSE.
19739 (omp_clause_check_failed): New.
19740 (omp_clause_range_check_failed): New.
19741 (omp_clause_operand_check_failed): New.
19742 (build_omp_clause): New.
19743 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19744 * tree.h (enum omp_clause_code): Declare.
19745 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19746 (OMP_CLAUSE_RANGE_CHECK): Define.
19747 (OMP_CLAUSE_ELT_CHECK): Define.
19748 (omp_clause_check_failed): Declare.
19749 (omp_clause_operand_check_failed): Declare.
19750 (omp_clause_range_check_failed): Declare.
19751 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19752 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19753 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19754 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19755 (OMP_CLAUSE_IF_EXPR): Likewise.
19756 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19757 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19758 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19759 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19760 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19761 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19762 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19763 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19764 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19765 (OMP_CLAUSE_CODE): Define.
19766 (OMP_CLAUSE_SET_CODE): Define.
19767 (OMP_CLAUSE_CODE): Define.
19768 (OMP_CLAUSE_OPERAND): Define.
19769 (struct tree_omp_clause): Declare.
19770 (union tree_node): Add field 'omp_clause'.
19771 * treestruct.def (TS_OMP_CLAUSE): Define.
19772 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19773 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19774 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19775 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19776 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19777 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19778 (OMP_CLAUSE): Define.
19779 * print-tree.c (print_node): Handle OMP_CLAUSE.
19780 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19781 * c-typeck.c: Likewise.
19782 * gimplify.c: Likewise.
19783 * c-omp.c: Likewise.
19784 * tree-nested.c: Likewise.
19785 * tree-inline.c: Likewise.
19786 * c-parser.c: Likewise.
19787 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19790 2006-01-25 Roger Sayle <roger@eyesopen.com>
19792 PR rtl-optimization/25703
19793 * combine.c (try_combine): Handle zero_extract and strict_low_part
19794 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19796 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19798 * global.c: Fix comment typos.
19800 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19803 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19804 Use output_addr_const instead of assemble_name.
19806 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19808 * Makefile.in (sched-vis.o): Update dependencies.
19809 * haifa-sched.c (sched_finish): Clear current_sched_info.
19810 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19811 (dump_flow_info): Call it.
19812 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19814 * basic-block.h (dump_bb_info): Declare.
19815 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19816 option, and apply options only for dump files whose TDF_RTL,
19817 TDF_TREE, or TDF_IPA bits match.
19818 * rtl.h: Declare new functions exported from sched-vis.c.
19819 * sched-vis.c: Enable also if scheduling is not used.
19820 (print_value): Print the mode of registers if not inside scheduling.
19821 (print_insn): Make it work outside the scheduler. Beautify the output
19823 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19825 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19827 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19828 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19829 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19830 depending on the value of CONSTANT_POOL_ADDRESS_P.
19831 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19833 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19834 rather than SYMBOL_REF_DECL.
19835 (rtx_constant_pool): Remove const_rtx_sym_htab.
19836 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19837 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19838 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19839 Remove handling of const_rtx_sym_htab.
19840 (find_pool_constant): Delete.
19841 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19842 rather than find_pool_constant.
19843 (get_pool_constant_for_function): Delete.
19844 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19845 find_pool_constant.
19846 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19847 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19848 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19849 (SYMBOL_REF_CONSTANT): New macro.
19850 (get_pool_constant_for_function): Delete.
19851 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19852 rather than SYMBOL_REF_DECL.
19853 (i386_pe_mark_dllimport): Likewise.
19854 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19855 rather than SYMBOL_REF_DECL.
19856 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19857 (machopic_indirect_call_target): Likewise.
19859 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19861 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19863 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19865 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19867 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19869 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19871 2006-01-24 David Daney <ddaney@avtrex.com>
19874 * configure.ac (enable_tls): New enable option.
19875 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19876 * configure: Regenerate.
19877 * doc/install.texi (--enable-tls): Document new option.
19878 (--disable-tls): Ditto.
19880 2006-01-24 Richard Henderson <rth@redehat.com>
19882 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19883 * alias.c (true_dependence): Respect it.
19884 (canon_true_dependence, write_dependence_p): Likewise.
19885 * builtins.c (get_builtin_sync_mem): Set it.
19887 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19889 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19892 2006-01-24 DJ Delorie <dj@redhat.com>
19894 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19895 for storing constants in single-bit bitfields.
19897 2006-01-25 Ben Elliston <bje@au.ibm.com>
19899 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19901 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19904 * tree-ssa-pre.c (phi_translate): Return NULL
19905 for AGGREGATE_TYPE's.
19907 2006-01-24 Zack Weinberg <zackw@panix.com>
19909 * genautomata.c (process_state_for_insn_equiv_partition):
19910 Use xcalloc for insn_arcs_array.
19911 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19912 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19914 2006-01-24 Richard Henderson <rth@redhat.com>
19916 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19917 update all callers.
19919 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19921 PR rtl-optimization/25890
19922 PR rtl-optimization/25905
19923 * combine.c (expand_compound_operation, expand_field_assignment):
19924 Fail if the bitfield's final position is out of bounds.
19926 2006-01-24 Ian Lance Taylor <ian@airs.com>
19928 PR middle-end/25930
19929 * cgraphunit.c (cgraph_output_in_order): Don't clear
19930 cgraph_asm_nodes until after asm strings have been output.
19932 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19934 * fix-header.c (read_scan_file): Add new parameter imultilib when
19935 calling register_include_chains.
19937 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19939 * omp-low.c: Update documentation.
19941 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19942 Daniel Berlin <dberlin@dberlin.org>
19946 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19947 return from the function.
19949 2006-01-22 Zack Weinberg <zackw@panix.com>
19951 * rtl.def (match_code): Add second argument.
19952 * genpreds.c (write_extract_subexp): New function.
19953 (write_match_code): Add path argument. Use write_extract_subexp.
19954 (write_predicate_expr): Pass path to write_match_code.
19955 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19956 not perform a mode test.
19957 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19958 a subexpression does not constrain the top-level code set.
19959 * read-rtl.c (read_rtx_variadic): New function.
19960 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19961 * doc/md.texi: Document new notation.
19962 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19963 (cmpsi_operand): ... here, using new notation.
19965 2006-01-22 Zack Weinberg <zackw@panix.com>
19967 * varray.c: Remove GENERATOR_FILE #ifdefs.
19969 2006-01-22 Zack Weinberg <zackw@panix.com>
19971 * genautomata.c (output_reserved_units_table): Emit nothing if
19972 description->query_units_num is zero. Remove extra blank line.
19973 (output_cpu_unit_reservation_p): Short circuit
19974 if description->query_units_num is zero.
19976 2006-01-22 Zack Weinberg <zackw@panix.com>
19978 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19979 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19980 nor any of the random handful of variables that used to be necessary
19981 when this program was linked with rtlanal.o. Prune set of forward
19982 function declarations.
19983 (struct attr_desc): Remove static_p field.
19984 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19985 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19986 (attr_string): Do not read the character one past the length of
19988 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19989 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19990 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19991 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19992 (make_automaton_attrs): New.
19993 (main): Do not call into genautomata. Call local gen_bypass
19994 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19995 Remove special case for insn_alts.
19996 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19997 varray.h (leftover from previous change). Prune set of forward
19998 function declarations. Remove state_alts fields from all
19999 structures. Remove state_alts_table from struct automaton.
20000 Make everything except main static. Do not maintain num_dfa_decls.
20001 Do not maintain state_alts fields of various structures.
20002 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20003 (add_arc): Remove state_alts argument. All callers updated.
20004 (output_reserved_units_table): Emit #ifdef here...
20005 (output_tables): ...not here. Don't generate state_alts tables.
20006 (expand_automata): Don't generate attributes.
20007 (write_automata): Don't generate state_alts functions.
20008 (main): New function.
20009 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20010 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20011 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20012 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20013 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20014 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20015 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20016 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20018 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20019 * genattrtab.h: Delete file.
20020 * Makefile.in (OBJS-common): Add insn-automata.o.
20021 (insn-automata.o): New rule.
20022 (simple_generated_c): Add insn-automata.c.
20023 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20024 (genprogmd): Add automata.
20025 (build/genattrtab): Needs no extra objects nor libraries.
20026 (build/genautomata): Needs build/vec.o and -lm.
20028 2006-01-22 Zack Weinberg <zackw@panix.com>
20030 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20031 (output_dfa_max_issue_rate, locked_states_num): Delete.
20032 (struct automaton): Add locked_states field.
20033 (output_dead_lock_vect): Save number of locked states in
20034 automaton->locked_states. If it is zero, don't print anything.
20035 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20036 (output_internal_dead_lock_func): Only test the dead_lock_vect
20037 for automata that have locked states.
20038 (output_statistics): Always print the number of locked states for
20039 each automaton. Calculate total number of locked states here.
20040 (write_automata): Don't call output_dfa_max_issue_rate.
20041 * genattrtab.c: Define length_unit_log as a const variable.
20042 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20043 max_insn_queue_index const.
20044 * final.c (length_unit_log): Declare const.
20045 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20047 2006-01-22 Zack Weinberg <zackw@panix.com>
20049 * genautomata.c: Include vec.h, not varray.h.
20050 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20051 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20052 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20053 VEC_* macros operating on appropriately typed vectors, or to
20054 malloced arrays when the size is known in advance. Const-ify
20055 many char* variables and function arguments. No functional changes.
20056 * Makefile.in (build/varray.o): Delete rule.
20057 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20058 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20060 2006-01-22 Zack Weinberg <zackw@panix.com>
20062 * gensupport.c: Define get_insn_name and record_insn_name here.
20063 (read_md_rtx): Call record_insn_name as appropriate.
20064 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20065 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20066 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20068 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20069 (BUILD_VARRAY): Delete.
20070 (genprognormal): Rename genprogmd. Fold in all programs from
20071 genprognoprint; also attrtab.
20072 (build/genattrtab): Just mention genautomata.o and varray.o.
20073 Reorganize a bit, add comments to make the categories clearer.
20075 2006-01-22 Zack Weinberg <zackw@panix.com>
20077 * genconditions.c (condition_table, add_condition): Delete.
20078 (write_conditions): Don't emit n_insn_conditions nor
20079 insn_elision_unavailable. Issue the gcc version #ifdef here,
20080 inside the table, with no #else clause ...
20081 (write_header): ...not here.
20082 (write_writer): New function.
20083 (main): Don't initialize condition_table. Use add_c_test.
20085 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20086 files on the command line.
20087 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20088 Return -1 if there is no entry in the table, don't abort.
20089 (add_c_test, traverse_c_tests): New functions.
20090 * gensupport.h (insn_elision_unavailable, insn_conditions)
20091 (n_insn_conditions): Delete declarations.
20092 (add_c_test, traverse_c_tests): Declare.
20093 * read-rtl.c: Include gensupport.h.
20094 (read_conditions): New function.
20095 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20096 (read_rtx_1): If we get EOF when we were looking for an initial
20097 open paren, return 0. Call read_conditions when appropriate.
20098 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20099 dummy-conditions.o. Eliminate references to insn-conditions.o,
20100 or change them to build/gencondmd.o, as appropriate. Remove
20101 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20102 from $(simple_generated_c). For all files remaining in those
20103 two lists, add insn-conditions.md to the generator command line.
20104 Give insn-constants.h/s-constants their own rules. Add rules
20105 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20106 (build/read-rtl.o): Depend on gensupport.h.
20107 (genprognormal): Include preds.
20108 (genprogearly): Rename genprognoprint; only difference is now that
20109 they don't link with $(BUILD_PRINT).
20110 * dummy-conditions.c: Delete.
20112 2006-01-22 Zack Weinberg <zackw@panix.com>
20114 * genextract.c: Don't include insn-config.h. Do include vec.h.
20115 Declare vectors of int, char, and locstr.
20116 (locstr): New typedef.
20117 (struct extraction): Make all array fields into bare pointers.
20118 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20119 (insn_code_number): Delete.
20120 (accum_extract): New struct.
20121 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20122 (gen_insn): Take insn_code_number as an argument. Use an
20123 accum_extract structure instead of loading data directly into
20124 a struct extraction, and having to know how big it might get.
20125 (walk_rtx): Operate entirely on an accum_extract structure.
20126 (print_path): Avoid unnecessary use of printf.
20127 (print_header): New function, split out of main. Distinguish
20128 more carefully between an unrecognizable insn and an insn that
20129 has the code number of a define_expand.
20130 (main): Pass insn_code_number to gen_insn. Call print_header
20131 only after parsing. Avoid unnecessary use of printf.
20132 * Makefile.in (build/vec.o): New rule.
20133 (build/genextract): Depend on build/vec.o.
20134 (build/genextract.o): Don't depend on insn-config.h.
20136 2006-01-22 Zack Weinberg <zackw@panix.com>
20138 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20139 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20140 practical. Eliminate per-generator-program link rules.
20142 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20144 PR middle-end/24437
20145 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20146 with a call expr to ...
20147 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20149 2006-01-23 Richard Guenther <rguenther@suse.de>
20151 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20152 before make_edge with conditional EDGE_TRUE_VALUE.
20154 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20155 Jan Hubicka <jh@suse.cz>
20156 Richard Guenther <rguenther@suse.de>
20158 PR rtl-optimization/25654
20159 * cfgexpand.c (aggregate_contains_union_type): New function.
20160 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20161 for structure variables that contain a union type.
20163 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20165 * gengtype.c (new_structure): Return the structure.
20166 (create_option): Add an extra "next" argument.
20167 (create_field): New function.
20168 (adjust_field_rtx_def): Use create_option and create_field.
20169 Remove a now-unnecessary call to find_structure.
20170 (adjust_field_tree_def): Likewise.
20171 (note_yacc_type): Remove an unnecessary call to find_structure.
20172 * gengtype.h (new_structure): Return the structure.
20173 (create_option): Add an extra argument.
20174 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20175 (option): Adjust calls to create_option.
20177 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20179 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20181 2006-01-22 Paul Brook <paul@codesourcery.com>
20182 Peter Barada <peter@the-baradas.com>
20184 * config/m68k/m68k.md: Add Coldfire FPU support.
20185 Define FP mode macro and associated attributes.
20186 Use it for float mode patterns.
20187 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20188 (LIBCALL_VALUE): Use m68k_libcall_value.
20189 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20190 (m68k_function_value): Ditto.
20191 (emit_move_sequence): Ditto.
20192 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20193 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20194 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20195 (MULTILIB_EXCEPTIONS): Ditto.
20196 * config/m68k/m68k.opt: Add mcfv4e.
20197 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20198 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20199 (m68k_output_function_prologue): Save ColdFire FPU registers.
20200 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20201 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20202 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20203 ColdFire FPU registers.
20204 (m68k_libcall_value, m68k_function_value): New functions.
20205 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20206 (LIBCALL_VALUE): Use m68k_libcall_value.
20207 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20208 (MASK_COLDFIRE): Add MASK_CFV4E.
20209 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20210 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20211 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20212 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20213 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20214 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20215 * doc/invoke.tex: Document -mcfv4e on m68k.
20217 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20219 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20222 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20225 * c-opts.c (c_common_handle_option): Don't include
20226 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20227 * doc/invoke.texi (C++ Dialect Options): Document that
20228 -Wnon-virtual-dtor is no longer included in -Wall.
20230 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20232 * gcov.c (print_version), gcov-dump.c (print_version),
20233 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20236 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20238 * df-scan.c (problem_SCAN): Added NULL reset function.
20239 (df_scan_reset_blocks): Added code to call reset block function
20240 (df_bb_refs_delete) Fixed comment.
20241 (df_insn_refs_delete): Made tolerant of deleting non existent info
20242 for dataflow problems that need to be reset.
20243 * df-core.c (df_set_blocks): Ditto.
20244 * df.h (struct df_problem): Added reset_fun.
20245 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20246 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20247 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20248 functions to clear out all references to def-use or use-def chains.
20250 2006-01-21 Ben Elliston <bje@au.ibm.com>
20252 * varasm.c (assemble_real): Initialise data array.
20254 2006-01-20 Paul Brook <paul@codesourcery.com>
20256 Merge from csl-arm-branch.
20257 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20258 * config/arm/arm.md (movdi): Force operands[1] to a register
20259 if we have a non-register source.
20260 (*arm_movdi, *movdf_soft_insn): Require that one of the
20261 operands be a register.
20262 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20263 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20265 2006-01-20 DJ Delorie <dj@redhat.com>
20267 * varasm.c (initializer_constant_valid_p): Allow pointers
20268 initialized from integer constants of lesser precision.
20269 (output_constant): Allow non-int-sized pointer modes to be
20270 initialized from integer constants.
20272 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20275 * cppdefault.h (struct default_include): Add multilib flag.
20276 * cppdefault.c (cpp_include_defaults): Set it.
20277 * c.opt (-imultilib): New option.
20278 * c-opts.c (imultilib): New.
20279 (c_common_handle_option): Handle -imultilib.
20280 (c_common_post_options): Likewise.
20281 * c-incpath.c (add_standard_paths, register_include_chains):
20283 * c-incpath.h (register_include_chains): Add extra parameter.
20284 * gcc.c (do_spec_1): Generate -imultilib option.
20285 (The Specs Language): Update %I description.
20286 (process_command): Update copyright notice.
20287 * doc/cppopts.texi (-imultilib): Document.
20288 * doc/invoke.texi (-imultilib): Include in option summary.
20289 (%I): Update specs documentation.
20291 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20293 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20295 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20297 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20300 2006-01-20 Richard Guenther <rguenther@suse.de>
20301 Steven Bosscher <stevenb.gcc@gmail.com>
20303 PR rtl-optimization/24626
20304 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20305 EDGE_TRUE_VALUE if in RTL mode.
20308 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20309 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20311 2006-01-20 Dirk Mueller <dmueller@suse.com>
20314 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20315 instead of a special NOP marker.
20316 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20317 NOP marker handling.
20318 * c-common.h (empty_body_warning): Add forward declaration.
20319 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20320 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20322 2006-01-20 Paul Brook <paul@codesourcery.com>
20324 * Makefile.in (lang_checks): Keep going if mkdir fails.
20326 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20328 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20329 be able to clean out basic block when not necessary.
20330 (df_scan_free): Fixed to properly delete information if df is
20331 unused before calling df_finish.
20332 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20333 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20335 (df_bb_refs_delete): New function.
20336 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20337 * df-core.c (df_set_blocks): Added code to properly clean out
20338 unused blocks if they are not part of the blocks to consider.
20339 Added additional null check.
20340 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20341 be able to clean out basic block when not necessary
20342 * df.h (df_free_bb_function): Ditto.
20343 (df_bb_refs_delete): New function.
20344 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20345 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20346 basic block parameter to be able to clean out basic block when not
20348 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20349 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20350 Fixed to properly delete information if df is unused before
20353 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20355 PR rtl-optimization/25799
20356 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20357 Corrected confluence operator to remove bits from op2 before oring
20358 with op1 rather than removing bits from op1.
20359 (df_ru_transfer_function): Corrected test on wrong bitmap which
20360 caused infinite loop. Both of these problems were introduced in
20361 the dataflow rewrite.
20363 2006-01-19 DJ Delorie <dj@redhat.com>
20365 * reload1.c (find_reload_regs): Note the details of reload
20366 failures in the dump file.
20367 (spill_failure): Likewise.
20369 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20371 * loop-iv.c: Include df.h and hashtab.h.
20372 (enum iv_grd_result): New enum.
20373 (DF_REF_IV, DF_REF_IV_SET): New macros.
20374 (struct biv_entry): New.
20375 (df, bivs): New global variables.
20376 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20377 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20379 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20380 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20381 analyzed_for_bivness_p, record_biv): New functions.
20382 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20383 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20384 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20386 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20388 (iv_number_of_iterations): Use new interface to iv analysis.
20389 * loop-unroll.c: Do not include varray.h.
20390 (analyze_iv_to_split_insn): Use new interface to iv
20392 * loop-unswitch.c (may_unswitch_on): Ditto.
20393 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20395 (df_bb_modify): Realloc tables to the new index.
20396 (df_find_use): New function.
20397 * df.h (df_find_use): Declare.
20398 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20400 * cfgloop.h (struct rtx_iv): Remove analysed field.
20401 (iv_get_reaching_def): Removed.
20402 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20403 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20404 (loop-iv.o): Add df.h and hashtab.h dependency.
20405 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20407 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20410 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20412 (__floatundisf, __floatundidf): Likewise.
20413 * libgcc2.h (IS_IBM_EXTENDED): Define.
20415 2006-01-19 DJ Delorie <dj@redhat.com>
20417 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20419 2006-01-19 Paul Brook <paul@codesourcery.com>
20421 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20422 as nothrow when unwinding tables are disabled.
20424 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20427 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20428 of bit-field" when in system header.
20430 2006-01-19 DJ Delorie <dj@redhat.com>
20432 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20433 the 16 bit shift limit of the m16c.
20435 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20438 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20439 * config/i386/i386.c (output_set_got): Output the label if we have one
20440 for the TARGET_DEEP_BRANCH_PREDICTION case.
20442 2006-01-19 Jan Hubicka <jh@suse.cz>
20443 H.J. Lu <hongjiu.lu@intel.com>
20444 Evandro Menezes <evandro.menezes@amd.com>
20446 * invoke.texi (generic): Document
20448 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20449 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20450 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20451 (x86_use_incdec, x86_pad_returns): New variables
20452 (TARGET_CPU_DEFAULT_generic): New constant
20453 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20454 (enum processor_type): Add generic32 and generic64.
20455 * i386.md (cpu attribute): Add generic32/generic64
20456 (movhi splitter): Behave sanely when both partial_reg_dependency and
20457 partial_reg_stall are set.
20458 (K8 splitters): Enable for generic as well.
20459 * predicates.md (incdec_operand): Use TARGET_INCDEC
20460 (aligned_operand): Avoid memory mismatch stalls.
20461 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20462 * ppro.md: Enable for generic32
20463 * i386.c (generic64_cost, generic32_cost): New.
20464 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20465 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20466 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20467 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20468 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20469 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20470 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20471 x86_accumulate_outgoing_args, x86_prologue_using_move,
20472 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20473 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20474 Enable for generic.
20475 (x86_use_incdec, x86_pad_returns): New.
20476 (override_options): Add generic32 and generic64, translate "generic"
20477 to generic32/generic64 and "i686" to "generic32", refuse
20478 "generic32"/"generic64" as arch target.
20479 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20480 (ix86_reorg): Honor PAD_RETURNS.
20482 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20484 * tree-pretty-print.c (dump_generic_node): Handle
20485 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20486 * cgraph.c (cgraph_expand_queue): Rename from
20487 cgraph_analyze_queue. Update all users.
20488 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20489 cgraph_expand_queue.
20490 (cgraph_expand_all_functions): Likewise.
20491 (cgraph_finalize_pending_functions): Remove. Update callers.
20493 * tree.h (OMP_DIRECTIVE_P): Define.
20494 (OMP_PARALLEL_FN): Define.
20495 (OMP_PARALLEL_DATA_ARG): Define.
20496 (OMP_SECTIONS_SECTIONS): Define.
20497 * tree-pass.h (pass_expand_omp): Declare.
20498 * omp-low.c (struct omp_region): Declare.
20499 (struct omp_context): Remove fields 'parallel_type',
20500 'parallel_start_ix' and 'parallel_start_additional_args'.
20502 (struct omp_for_data): Rename from struct expand_omp_for_data.
20503 (omp_regions): New static variable.
20504 (root_omp_region): New static variable.
20505 (find_omp_clause): Make static.
20506 (is_in_combined_parallel_ctx): Remove.
20507 (is_combined_parallel): New.
20508 (extract_omp_for_data): Move earlier in the file.
20509 (workshare_safe_to_combine_p): New.
20510 (get_ws_args_for): New.
20511 (determine_parallel_type): Move earlier in the file.
20512 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20514 (omp_copy_decl): Likewise.
20515 (create_omp_child_function): Likewise.
20516 (lookup_omp_region): New.
20517 (dump_omp_region): New.
20518 (debug_omp_region): New.
20519 (debug_all_omp_regions): New.
20520 (new_omp_region): New.
20521 (scan_omp_parallel): If parallel_nesting_level > 1, the
20522 directive is nested within another parallel directive.
20523 Set OMP_PARALLEL_FN.
20524 (scan_omp_for): Do not try to handle combined parallel+for
20526 Remove FIXME comment.
20527 (scan_omp_nested): Remove.
20528 (scan_omp_1): Do not call scan_omp_nested when
20529 parallel_nesting_level is > 1.
20530 Do not change the DECL_CONTEXT of local variables found.
20531 (lookup_decl_in_outer_ctx): New.
20532 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20533 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20534 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20535 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20536 If CTX is nested, lookup VAR in the outer context when
20537 building copy assignment.
20538 (lower_send_clauses): Rename from expand_send_clauses.
20539 If CTX is nested, lookup VAR in the outer context when
20540 building copy assignments.
20541 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20542 If CTX is nested, lookup VAR in the outer context when
20543 building copy assignments.
20544 (expand_parallel_call): Rename from build_parallel_call.
20545 Handle combined parallel+workshare cases.
20546 Re-implement to emit code into the CFG.
20548 (expand_omp_parallel): Re-implement to emit code into the CFG.
20549 Call move_sese_region_to_fn to outline the sub-graph
20550 containing the parallel region.
20551 (expand_omp_for_1): Remove.
20552 (expand_omp_for_generic): Re-implement to emit code into the
20554 (expand_omp_for_static_nochunk): Likewise.
20555 (expand_omp_for_static_chunk): Likewise.
20556 (expand_omp_for): Likewise.
20557 (expand_omp_sections): Likewise.
20558 (remove_exit_barriers): New.
20559 (expand_omp_synch): New.
20561 (build_omp_regions_1): New.
20562 (build_omp_regions): New.
20563 (execute_expand_omp): New.
20564 (gate_expand_omp): New.
20565 (pass_expand_omp): Define.
20566 (lower_omp_sections): Rename from expand_omp_sections.
20567 Set OMP_SECTIONS_SECTIONS.
20568 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20569 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20570 (lower_omp_single): Rename from expand_omp_simple.
20571 (lower_omp_master): Rename from expand_omp_master.
20572 (lower_omp_ordered): Rename from expand_omp_ordered.
20573 (lower_omp_critical): Rename from expand_omp_critical.
20574 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20575 (lower_omp_for): Re-implement.
20576 (lower_omp_parallel): Re-implement.
20577 (lower_regimplify): Rename from expand_regimplify.
20578 (lower_omp_1): Rename from expand_omp_1.
20579 If there are syntax errors in the program, replace every
20580 OpenMP directive with NOP.
20581 Call lower_omp_* instead of expand_omp_*.
20582 (lower_omp): Rename from expand_omp.
20584 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20585 * tree-gimple.h (enum omp_parallel_type): Remove.
20586 (gimple_boolify): Declare extern.
20587 (find_omp_clause, determine_parallel_type): Remove.
20589 * gimple-low.c (lower_omp_directive): New.
20590 (lower_stmt): Call it.
20591 (record_vars_into): Move from ...
20592 (record_vars): ... here.
20593 Call record_vars_into with current_function_decl.
20595 * gimplify.c (struct gimplify_ctx): Remove fields
20596 combined_pre_p and combined_ctxp. Update users.
20597 (get_formal_tmp_var): Add documentation.
20598 (gimple_boolify): Make extern.
20599 (gimplify_expr_in_ctx): Remove. Update callers.
20600 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20601 will always be a BIND_EXPR.
20602 (gimplify_expr): Handle OMP_RETURN_EXPR.
20603 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20604 (OMP_PARALLEL): Add 3 operands.
20605 (OMP_SECTIONS): Add 1 operand.
20606 (OMP_RETURN_EXPR): Define.
20608 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20609 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20610 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20611 creating a circular free list.
20612 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20614 * tree-flow.h (move_sese_region_to_fn): Declare.
20615 (record_vars_into): Declare.
20616 * tree-cfg.c (make_omp_sections_edges): New.
20617 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20618 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20619 OMP_SECTIONS and OMP_SECTION.
20620 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20621 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20622 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20623 (gather_blocks_in_sese_region): New.
20624 (struct move_stmt_d): Declare.
20625 (move_stmt_r): New.
20626 (move_block_to_fn): New.
20627 (move_sese_region_to_fn): New.
20629 * passes.c (init_optimization_passes): Schedule
20630 pass_expand_omp after pass_init_datastructures.
20632 * tree-ssa-operands.c (get_expr_operands): Handle
20633 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20634 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20636 2006-01-19 Jeff Law <law@redhat.com>
20638 * tree-vrp.c (extract_range_from_assert): Refine the result range
20639 if the variable referenced by the ASSERT_EXPR has a range and
20640 either the tentative result range or the previous range is a
20643 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20645 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20647 2006-01-19 Jan Hubicka <jh@suse.cz>
20649 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20651 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20653 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20654 (expand_compound_operation, expand_field_assignment): Fail if the
20655 bit lengths of an extract operation are out of range.
20656 (make_extraction): Compute wanted_inner_mode based on the position
20657 and length of the extraction. Make it extraction_mode for non-constant
20658 positions, and do not modify offset in that case. When generating a
20659 new MEM, use a mode that can hold the extraction while keeping correct
20660 alignment. Remove code that supported MEMs wrapped by USEs.
20661 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20663 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20665 * config/s390/s390.md ("Y", "y"): New mode attribute.
20666 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20667 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20668 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20669 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20670 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20671 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20672 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20673 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20674 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20675 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20676 "addsi3", "subsi3"): Insn patterns removed.
20677 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20678 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20679 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20680 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20681 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20682 "*sub<mode>3_cconly2"): New insn patterns.
20683 ("addsi3", "subsi3"): New expanders.
20685 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20687 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20688 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20689 existing STMT_VINFO_VECTYPE if available.
20690 (vect_mark_relevant): Add special handling for stmts that are
20691 marked as STMT_VINFO_IN_PATTERN_P.
20692 (vect_analyze_loop): Call vect_pattern_recog.
20693 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20694 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20696 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20697 (vect_recog_func_ptr): New function-pointer type.
20698 * tree-vect-patterns.c: New file.
20699 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20700 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20701 (vect_pattern_recog_1): New functions.
20702 (vect_pattern_recog_funcs): New array of function pointers.
20704 * tree-vectorizer.h (ternary_op): New enum value.
20705 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20706 declaration. Revised documentation. Removed redundant dump prints.
20707 Removed redundant argument. Added support for reduction patterns.
20708 (vectorizable_reduction): Added support for reduction patterns.
20709 (vect_transform_stmt): Added support for patterns.
20711 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20712 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20713 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20714 (expand_widen_pattern_expr): New function.
20715 (init_optabs): Initialize new optabs udot_prod_optab,
20717 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20718 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20719 (expand_widen_pattern_expr): New function declaration.
20720 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20722 * tree-inline.c (estimate_num_insns_1): Added cases for new
20723 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20724 * tree-pretty-print.c (dump_generic_node): Likewise.
20725 (op_prio): Likewise.
20726 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20727 * tree-ssa-operands.c (get_expr_operands): Added case for
20729 * tree-vect-patterns.c (widened_name_p): New function.
20730 (vect_recog_dot_prod_pattern): Added function implementation.
20731 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20732 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20733 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20734 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20736 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20737 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20738 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20739 (init_optabs): Initialize new optabs widen_ssum_optab,
20741 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20742 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20743 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20744 use instead of type of def.
20745 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20746 function implementation.
20747 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20748 widen_ssumv8hi): New.
20750 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20753 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20756 * c-decl.c (add_flexible_array_elts_to_size): New function.
20757 (finish_decl): Use it.
20759 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20761 * diagnostic.h: Include options.h.
20762 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20763 dependancies for diagnostic.h.
20764 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20766 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20768 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20769 (ssa_ro_call_cache_valid): Ditto.
20770 * tree-ssa-alias.c (sort_tags_by_id): New function.
20771 (init_transitive_clobber_worklist): Ditto.
20772 (add_to_worklist): Ditto.
20773 (mark_aliases_call_clobbered): Ditto.
20774 (compute_tag_properties): Ditto.
20775 (set_initial_properties): Ditto.
20776 (compute_call_clobbered): Ditto.
20777 (compute_may_aliases): Call compute_call_clobbered and grouping.
20778 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20779 (compute_flow_insensitive_aliasing): Grouping now happens in our
20781 (setup_pointers_and_addressables): Remove clobbering related code.
20782 (add_may_alias): Ditto.
20783 (replace_may_alias): Ditto.
20784 (get_nmt_for): Ditto.
20785 (create_global_var):
20786 (is_escape_site): Return an escape_type enumeration.
20787 * tree-flow-inline.h (is_call_clobbered): Global var does not
20788 imply call clobbered.
20789 (mark_call_clobbered): Take a reason for marking this. Remove
20790 marking of globalness, and cache invalidation.
20791 (clear_call_clobbered): Remove cache invalidation code.
20792 * tree-dfa.c (dump_variable): If details is on, dump the reason
20794 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20796 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20797 (struct var_ann_d): Ditto.
20798 (enum escape_type): New.
20799 (mark_call_clobbered): Adjust prototype.
20800 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20801 are never call clobbered.
20802 Record reasons for escaping.
20803 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20804 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20805 (ssa_ro_call_cache_valid): Ditto.
20806 (clobbered_v_may_defs): Ditto.
20807 (clobbered_vuses): Ditto.
20808 (ro_call_vuses): Ditto.
20809 (clobber_stats): New.
20810 (init_ssa_operands): Zero out clobber stats.
20811 (fini_ssa_operands): Print out clobber stats.
20812 (get_call_expr_operands): Pass callee fndecl to
20813 add_call_read_ops).
20814 (add_call_clobber_ops): Remove use of cache.
20815 Add use of PURE_CONST information.
20816 (add_call_read_ops): Remove use of cache.
20817 Add use of static not_read information.
20819 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20821 Introduce TLS descriptors for i386 and x86_64.
20822 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20823 (TARGET_ANY_GNU_TLS): New macro.
20824 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20825 (struct machine_function): Add tls_descriptor_call_expanded_p.
20826 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20827 (ix86_current_function_calls_tls_descriptor): Likewise.
20828 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20829 (override_options): Introduce gnu2 tls dialect.
20830 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20832 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20834 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20835 (ix86_init_machine_status): Initialize new field.
20836 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20837 (ix86_tls_module_base): New.
20838 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20839 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20840 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20841 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20842 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20843 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20844 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20845 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20846 * config/i386/predicates.md (tls_modbase_operand): New.
20847 (tp_or_register_operand): New.
20849 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20851 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20852 (look_for_address_of): Ditto.
20853 (ipa_init): Walk the function decls.
20854 (static_execute): Don't set readonly on FUNCTION_DECL's.
20856 2006-01-18 Roger Sayle <roger@eyesopen.com>
20858 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20859 for shifts where the source and destination registers are different.
20861 2006-01-18 Paul Brook <paul@codesourcery.com>
20863 Merge from csl-arm-branch.
20864 2005-03-14 Julian Brown <julian@codesourcery.com>
20865 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20866 (aeabi_llsl): Likewise.
20867 (ashrdi3): Likewise.
20868 (aeabi_lasr): Likewise.
20869 (lshrdi3): Likewise.
20870 (aeabi_llsr): Likewise.
20871 2005-03-10 Julian Brown <julian@codesourcery.com>
20872 * config.gcc: Disable shared libgcc for SymbianOS.
20873 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20875 2006-01-18 DJ Delorie <dj@redhat.com>
20877 * c-pragma.c (handle_pragma_diagnostic): New.
20878 (init_pragma): Register it.
20879 * doc/extend.texi: Document it.
20881 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20882 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20883 (diagnostic_context): Add classify_diagnostic[].
20884 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20885 as errors if they're overridden to DK_WARNING.
20886 (diagnostic_initialize): Initialize classify_diagnostic[].
20887 (diagnostic_set_kind_override): New.
20888 (diagnostic_report_diagnostic): Check for kind changes.
20889 * opts.c (common_handle_option): Take lang_mask. Update callers.
20890 Handle OPT_Werror_.
20891 * common.opt (Werror=): New.
20892 * doc/invoke.texi: Document -Werror=*
20894 2006-01-18 Jeff Law <law@redhat.com>
20896 * tree-vrp.c (test_for_singularity): Correct test for new
20897 min limit. Use operand_equal_p rather than pointer equality
20898 for testing if new min/max values are equal.
20900 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20901 using range information until after propagation and folding.
20903 2006-01-18 Richard Henderson <rth@redhat.com>
20904 Aldy Hernandez <aldyh@redhat.com>
20905 Jakub Jelinek <jakub@redhat.com>
20906 Diego Novillo <dnovillo@redhat.com>
20908 * omp-low.c: New file.
20909 * c-omp.c: New file.
20911 2006-01-18 Richard Henderson <rth@redhat.com>
20912 Jakub Jelinek <jakub@redhat.com>
20913 Diego Novillo <dnovillo@redhat.com>
20915 * doc/invoke.texi: Document -fopenmp.
20916 * tree-dump.h (debug_function): Declare.
20917 * hooks.c (hook_bool_tree_bool_false): New function.
20918 (hook_tree_tree_null): Remove.
20919 (hook_tree_tree_tree_null): New.
20920 * hooks.h: Update to match.
20921 * tree-pretty-print.c (debug_tree_chain): New.
20922 (print_generic_expr): Handle TDF_CHAIN.
20923 (dump_generic_node): Handle BLOCK.
20924 Do not abort with incomplete SWITCH_EXPRs.
20925 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20926 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20927 print space after directive name.
20928 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20929 Handle OMP_MASTER and OMP_ORDERED.
20930 Handle printing of OMP_BODY just in one place, goto
20931 dump_omp_body in the rest of OMP_* nodes that have
20933 Don't handle clause nodes here. Update omp statements to
20934 use dump_omp_clauses.
20935 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20936 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20937 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20938 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20939 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20940 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20941 Adjust output for GOMP_PARALLEL.
20942 (dump_omp_clauses): New.
20943 (print_declaration): Dump DECL_VALUE_EXPR.
20944 (op_symbol_1): Split out of op_symbol.
20945 (dumping_stmts): Remove. Update all users.
20946 * cgraph.c (cgraph_analyze_queue): New.
20947 (cgraph_add_new_function): New.
20948 * cgraph.h (cgraph_analyze_queue): Declare.
20949 (cgraph_add_new_function): Declare.
20950 (cgraph_lower_function): Remove.
20951 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20952 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20953 and TYPE_P nodes in its default clause.
20954 (empty_body_p): New.
20955 (tree_range_check_failed): New.
20956 (build5_stat): New.
20957 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20958 OMP_CLAUSE_REDUCTION_MERGE,
20959 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20960 OMP_CLAUSE_PRIVATE_DEBUG,
20961 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20962 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20963 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20964 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20965 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20966 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20967 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20968 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20969 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20970 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20971 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20972 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20973 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20974 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20975 (TREE_RANGE_CHECK): New.
20976 (empty_body_p): Declare.
20977 (enum omp_clause_default_kind): New.
20978 (build_string_literal): Declare.
20979 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20980 (build5_stat, build5): Declare.
20981 * tree-pass.h (TDF_CHAIN): Define.
20982 * tree-pass.h (PROP_gimple_lomp): Define.
20983 (pass_lower_omp): Declare.
20984 * diagnostic.h (debug_tree_chain): Declare.
20985 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20987 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20988 * builtins.c (build_string_literal): Make extern.
20989 * gcc.c (include_spec_function): New.
20990 (static_spec_functions): Add it.
20991 (main): Move load of libgomp.spec ...
20992 (LINK_COMMAND_SPEC): ... here.
20993 (link_gomp_spec): New.
20994 (static_specs): Include it.
20995 (LINK_COMMAND_SPEC): Add link_gomp.
20996 (GOMP_SELF_SPECS): New.
20997 (driver_self_specs): Include it.
20998 (switch_matches): Don't mark inline.
20999 (main): Load libgomp.spec.
21000 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21001 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21002 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21003 * tree-gimple.h (enum omp_parallel): Declare.
21004 (determine_parallel_type): Declare.
21005 (omp_firstprivatize_variable): Declare.
21006 (omp_reduction_init): Declare.
21007 (diagnose_omp_structured_block_errors): Declare.
21008 (struct walk_stmt_info): Add want_return_expr.
21009 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21010 (find_omp_clause): Declare.
21011 (insert_field_into_struct): Declare.
21012 (struct walk_stmt_info): Move from tree-nested.c
21013 (walk_stmts): Declare.
21014 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21016 * cgraphunit.c (cgraph_lower_function): Make static.
21017 (cgraph_finalize_pending_functions): New.
21018 (cgraph_finalize_function): Call it.
21019 (cgraph_finalize_compilation_unit): Likewise.
21020 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21021 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21022 (BT_FN_UINT_UINT): New.
21023 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21024 DEF_FUNCTION_TYPE_VAR_4): Document.
21025 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21026 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21027 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21028 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21029 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21030 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21031 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21032 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21033 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21034 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21035 into separate files.
21036 (DEF_GOMP_BUILTIN): New.
21037 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21038 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21039 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21040 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21041 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21042 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21043 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21044 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21045 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21046 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21047 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21048 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21049 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21050 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21051 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21052 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21053 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21054 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21055 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21056 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21057 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21058 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21059 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21060 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21061 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21062 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21063 * sync-builtins.def: New file, moved from builtins.def.
21064 * omp-builtins.def: New file, moved from builtins.def.
21065 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21066 * gimple-low.c (lower_function_body): Clear data.
21067 (lower_stmt): Do not handle COMPOUND_EXPR.
21068 Remove call to print_node_brief.
21069 * c-tree.h (c_finish_omp_clauses): New prototype.
21070 (C_DECL_THREADPRIVATE_P): Define.
21071 (lookup_name_no_remap, c_omp_remap_private): Remove
21072 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21073 (check_for_loop_decls): Update decl.
21074 (lookup_name_no_remap, c_omp_remap_private): Declare.
21075 (build_indirect_ref, build_modify_expr, pushdecl,
21076 pushdecl_top_level): Move to c-common.h.
21077 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21078 before the switch, but just in the 2 places that need it.
21079 * c-decl.c (diagnose_mismatched_decls): Do not check for
21080 mismatched thread-local attributes when OLDDECL is marked
21081 threadprivate and NEWDECL has no thread-local attributes.
21082 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21083 (c_gimple_diagnostics_recursively): Rename from
21084 c_warn_unused_result_recursively. Invoke
21085 diagnose_omp_structured_block_errors.
21086 (check_for_loop_decls): Return a singular decl found.
21087 * langhooks.c (lhd_omp_predetermined_sharing): Return
21088 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21089 (lhd_omp_firstprivatize_type_sizes): New.
21090 (lhd_omp_assignment): New.
21091 (lhd_omp_predetermined_sharing): New.
21092 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21093 (struct lang_hooks_for_types): Add
21094 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21095 omp_predetermined_sharing, omp_disregard_value_expr,
21096 omp_private_debug_clause, omp_clause_default_ctor,
21097 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21098 (c_finish_omp_clauses): New.
21099 (c_finish_bc_stmt): Diagnose break within omp for.
21100 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21101 (build_unary_op): Return error_mark after reporting
21103 (build_modify_expr): Likewise.
21104 * gimplify.c: Include optabs.h and pointer-set.h.
21105 (enum gimplify_omp_var_data): Declare.
21106 (struct gimplify_omp_ctx): Declare.
21107 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21109 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21110 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21111 (splay_tree_compare_decl_uid): New.
21112 (new_omp_context): New.
21113 (delete_omp_context): New.
21114 (gimple_add_tmp_var): Call omp_add_variable.
21115 (gimplify_bind_expr): Likewise.
21116 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21117 true, disregard DECL_VALUE_EXPR on the decl if any.
21118 (gimplify_expr_in_ctx): New.
21119 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21120 omp_add_variable, omp_notice_variable, omp_is_private
21121 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21122 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21123 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21124 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21125 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21126 gimplify_omp_atomic): New.
21127 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21128 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21129 OMP_CRITICAL and OMP_ATOMIC.
21130 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21131 * c-pragma.h (enum pragma_kind): Add
21132 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21133 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21134 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21135 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21136 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21137 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21138 PRAGMA_OMP_THREADPRIVATE.
21139 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21140 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21141 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21142 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21143 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21144 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21145 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21146 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21147 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21148 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21149 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21150 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21151 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21153 (struct nesting_info): Add field_map,
21154 suppress_expansion, debug_var_chain.
21155 (create_nesting_tree): Initialize them.
21156 (lookup_field_for_decl): Use field_map.
21157 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21158 (convert_local_omp_clauses): New.
21159 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21160 (walk_body): Split out of walk_function.
21161 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21162 (convert_nonlocal_reference): Handle omp statements.
21163 (convert_local_reference): Likewise.
21164 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21165 (unnest_nesting_tree): New.
21166 (lower_nested_functions): Call it.
21167 (insert_field_into_struct): Make extern.
21168 (struct walk_stmt_info): Move to tree-gimple.h.
21169 (walk_stmts): Make extern.
21170 * omp-builtins.def: New file.
21171 * tree-iterator.c (expr_only): Clarify comment.
21172 * c-common.h (pushdecl_top_level, pushdecl,
21173 build_modify_expr, build_indirect_ref,
21174 c_finish_omp_master, c_finish_omp_critical,
21175 c_finish_omp_ordered, c_finish_omp_barrier,
21176 c_finish_omp_atomic, c_finish_omp_flush,
21177 c_finish_omp_for, c_split_parallel_clauses,
21178 omp_clause_default_kind, c_omp_sharing_predetermined,
21179 c_omp_remap_decl): Declare.
21180 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21181 (OBJS-common): Add omp-low.o.
21182 (c-omp.o, omp-low.o): Add.
21183 (gimplify.o): Add dependency on $(OPTABS_H).
21184 (GTFILES): Add omp-low.c.
21185 (gt-stringpool.h): Add.
21186 * tree-cfg.c (set_bb_for_stmt): Do not update the
21187 block-to-labels map if we are currently expanding to RTL.
21188 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21190 Handle IDENTIFIER_NODE.
21191 (tree_verify_flow_info): Do not ICE when emitting error
21192 messages about invalid labels.
21193 (dump_function_to_file): Reset CFUN before emitting the body
21195 (debug_function): New.
21196 * passes.c (init_optimization_passes): Schedule
21198 * langhooks-def.h (lhd_omp_predetermined_sharing,
21199 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21201 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21202 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21203 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21204 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21205 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21206 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21207 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21208 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21209 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21210 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21211 (LANG_HOOK_DECLS): Use them.
21213 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21214 Richard Henderson <rth@redhat.com>
21215 Jakub Jelinek <jakub@redhat.com>
21216 Diego Novillo <dnovillo@redhat.com>
21218 * c-parser.c (pragma_omp_clause): Define.
21219 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21220 (c_parser_compound_statement): Likewise.
21221 (c_parser_statement): Likewise.
21222 (c_parser_pragma): Handle omp pragmas.
21223 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21224 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21225 (c_parser_omp_clause_name, check_no_duplicate_clause,
21226 c_parser_omp_variable_list,
21227 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21228 c_parser_omp_clause_copyprivate,
21229 c_parser_omp_clause_default,
21230 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21231 c_parser_omp_clause_lastprivate,
21232 c_parser_omp_clause_nowait,
21233 c_parser_omp_clause_num_threads,
21234 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21235 c_parser_omp_clause_reduction,
21236 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21237 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21238 c_parser_omp_atomic, c_parser_omp_barrier,
21239 c_parser_omp_critical, c_parser_omp_flush,
21240 c_parser_omp_for_loop, c_parser_omp_for,
21241 c_parser_omp_master, c_parser_omp_ordered,
21242 c_parser_omp_sections_scope, c_parser_omp_sections,
21243 c_parser_omp_parallel, c_parser_omp_single,
21244 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21245 * c-pragma.c (init_pragma): Do omp pragma registration here.
21246 * c.opt (fopenmp): New flag.
21248 2006-01-18 Eric Christopher <echristo@apple.com>
21250 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21251 * config/darwin.h (GOMP_SELF_SPECS): Define.
21253 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21255 * rtl.h: Remove the prototype for reg_alloc.
21257 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21260 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21261 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21262 sjlj and dwarf2 exception handling.
21263 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21264 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21265 * pa/pa.c (function_value): Treat complex and vector types as
21267 (function_arg): Likewise. Only pass scalar floats in the floating
21268 point argument registers.
21269 * pa/t-slibgcc-dwarf-ver: New file.
21270 * pa/t-slibgcc-sjlj-ver: New file.
21271 * pa/t-slibgcc-elf-ver: Delete file.
21273 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21275 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21276 unlikely_test_section_p test.
21278 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21280 * mode-switching.c (optimize_mode_switching): Make it static.
21281 * basic-block.h: Remove the prototype for
21282 optimize_mode_switching.
21284 * modulo-sched.c (sms_schedule): Make it static.
21285 * rtl.h: Remove the prototype for sms_schedule.
21287 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21288 * rtl.h: Remove the prototype for gcse_after_reload_main.
21290 * reg-stack.c (reg_to_stack): Make it static.
21291 * rtl.h: Remove the prototype for reg_to_stack.
21293 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21295 * rtl.h: Remove the prototypes for regrename_optimize and
21296 copyprop_hardreg_forward.
21298 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21300 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21301 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21302 Test against the appropriate null constant for the mode.
21303 If 'fixup_overlap' is true, swap the operands if they overlap.
21304 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21305 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21306 alpha_split_tmode_pair and adjust for above change.
21307 * config/alpha/alpha.md (movtf_internal): Adjust call to
21308 alpha_split_tfmode_pair and rely on it to swap the operands.
21309 (movti_internal): New insn and post-reload splitter.
21310 (movti): New expander.
21312 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21314 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21317 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21319 * rtlanal.c (global_reg_mentioned_p_1,
21320 global_reg_mentioned_p): Remove.
21321 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21323 * flow.c (initialize_uninitialized_subregs): Make it static.
21324 * rtl.h: Remove the prototype for
21325 initialize_uninitialized_subregs.
21327 * function.c (instantiate_virtual_regs): Make it static.
21328 * function.h: Remove the prototype for
21329 instantiate_virtual_regs.
21331 * regmove.c (regmove_optimize, combine_stack_adjustments):
21333 * rtl.h: Remove the prototypes for regmove_optimize and
21334 combine_stack_adjustments.
21336 2006-01-17 Roger Sayle <roger@eyesopen.com>
21338 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21339 (size_cost): Encode costs in bytes so that a reg-reg addition is
21340 equivalent to COSTS_N_INSNS(1).
21341 (override_options): Use the size_cost.branch_cost as the default
21342 ix86_branch_cost when optimizing for size.
21344 2006-01-18 Ben Elliston <bje@au.ibm.com>
21346 * Makefile.in (D32PBIT_FUNCS): New.
21347 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21348 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21349 D64PBIT_FUNCS and D128PBIT_FUNCS.
21350 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21351 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21353 (decnumber_dep): Define.
21354 * doc/libgcc.texi (Decimal float library routines): New node.
21355 * config/dfp-bit.h, config/dfp-bit.c: New files.
21357 2006-01-18 Ben Elliston <bje@au.ibm.com>
21359 * expr.c (emit_move_change_mode): Always adjust addresses, not
21360 just during reload. Copy replacements only during reload.
21361 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21362 emit_move_via_integer.
21364 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21366 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21367 instead of $(srcdir) and ${srcdir}.
21369 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21372 PR middle-end/11135
21373 * arm.h (struct machine_function): Add pic_reg.
21374 * arm.c (arm_pic_register): Make unsigned.
21375 (arm_override_options): Only set arm_pic_register if
21376 TARGET_SINGLE_PIC_BASE.
21377 (use_return_insn): Only test for a pic register if it is fixed.
21378 (arm_compute_save_reg0_reg12_mask): Likewise.
21379 (thumb_compute_save_reg_mask): Likewise.
21380 (legitimate_pic_operand): Factor out some known invariants.
21381 (legitimize_pic_address): If we don't have a fixed pic register,
21382 then set up a pseudo in the function entry sequence. Handle the
21383 pic base being in a pseudo.
21384 (arm_load_pic_register): Handle the pic register being in a pseudo.
21385 (arm_expand_prologue): Only set up the pic register if it is fixed.
21386 (thumb_expand_prologue): Likewise.
21387 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21388 (pic_load_addr_based_insn): Likewise.
21389 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21392 2006-01-18 Ben Elliston <bje@au.ibm.com>
21394 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21395 decimal float modes for all floating point registers.
21397 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21398 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21400 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21403 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21404 even when the pointer is not NULL.
21406 2006-01-16 Ian Lance Taylor <ian@airs.com>
21408 * common.opt (ftoplevel-reorder): New option.
21409 * cgraph.c (cgraph_asm_nodes): New global variable.
21410 (cgraph_asm_last_node): New static variable.
21411 (cgraph_order): New global variable.
21412 (cgraph_create_node): Set new order field.
21413 (cgraph_varpool_node): Likewise.
21414 (decide_is_variable_needed): Return true if not
21415 flag_toplevel_reorder.
21416 (cgraph_add_asm_node): New function.
21417 * cgraph.h (struct cgraph_node): Add order field.
21418 (struct cgraph_varpool_node): Add order field.
21419 (struct cgraph_asm_node): Define.
21420 (cgraph_asm_nodes, cgraph_order): Declare.
21421 (cgraph_add_asm_node): Declare.
21422 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21424 (cgraph_varpool_assemble_pending_decls): Call it.
21425 (cgraph_output_pending_asms): New static function.
21426 (cgraph_finalize_compilation_unit): Call it.
21427 (struct cgraph_order_sort): Define.
21428 (cgraph_output_in_order): New static function.
21429 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21430 !flag_toplevel_reorder case.
21431 * c-parser.c: Include "cgraph.h".
21432 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21434 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21435 than -fno-unit-at-a-time.
21436 * doc/invoke.texi (Option Summary): Mention
21437 -fno-toplevel-reorder.
21438 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21439 -funit-at-a-time documentation.
21441 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21442 Kazu Hirata <kazu@codesourcery.com>
21444 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21446 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21448 * Makefile.in (FUNCTION_H): New. Use it instead of
21449 function.h throughout the file.
21450 * function.h: Include tree.h.
21452 2006-01-17 Ben Elliston <bje@au.ibm.com>
21454 * recog.c: Separate some functions with whitespace.
21456 2006-01-16 Richard Henderson <rth@redhat.com>
21458 Merge from gomp branch:
21459 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21460 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21461 and rename from struct inline_data. Rename callee* to dst*;
21462 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21463 transform_new_cfg, transform_return_to_modify, and
21464 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21466 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21467 (copy_decl_for_dup): Remove.
21468 * tree-inline.c (struct inline_data): Move to header.
21469 (insert_decl_map): Export.
21470 (remap_decl): Update for member name changes. Use copy_decl hook.
21471 Allow for replacement to be a non-decl. Remove dead code.
21472 (remap_type_1): Check for existing mapping.
21473 (remap_type): Export.
21474 (remap_decls): Update for member name changes.
21475 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21476 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21477 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21478 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21479 (tree_function_versioning, build_duplicate_type): Likewise.
21480 (copy_body_r): Likewise. Export.
21481 (copy_decl_for_dup): Split into ...
21482 (copy_decl_for_dup_finish, copy_decl_to_var,
21483 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21484 (replace_ref_tree, inlining_p): Remove.
21486 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21488 * ifcvt.c (if_convert): Make it static.
21489 * rtl.h: Remove the prototype for if_convert.
21491 * local-alloc.c (local_alloc): Make it static.
21492 * rtl.h: Remove the prototype for local_alloc.
21494 * loop.c (loop_optimize): Make it static.
21495 * cfgloop.h: Remove the prototype for loop_optimize.
21498 2006-01-16 DJ Delorie <dj@redhat.com>
21500 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21503 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21505 * pa.md: Disparage copies between general and floating-point registers
21506 in 32-bit move patterns.
21508 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21511 * Makefile.in (check-%): Depend on site.exp instead of
21512 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21515 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21517 * global.c (global_alloc): Make it static.
21518 * rtl.h: Remove the prototype for global_alloc.
21520 2006-01-16 Richard Guenther <rguenther@suse.de>
21522 * tree-ssa-alias.c (struct used_part): Add write_only field.
21523 (get_or_create_used_part_for): Initialize it to true.
21524 (create_overlap_variables_for): Don't create structure variables
21525 for structures that only are written to.
21526 (find_used_portions): Handle MODIFY_EXPR to track whether a
21527 structure is only written to.
21529 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21531 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21533 * basic-block.h: Remove the prototype for
21534 partition_hot_cold_basic_blocks.
21536 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21538 * cppspec.c (lang_specific_spec_functions): Remove.
21539 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21540 * gcc.h (lang_specific_spec_functions): Remove.
21541 * gccspec.c (lang_specific_spec_functions): Remove.
21543 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21545 * combine.c (record_value_for_reg): Invalidate registers
21547 (record_dead_and_set_regs_1): Likewise, by passing them to
21548 record_value_for_reg.
21549 (record_dead_and_set_regs): Invalidate stores made by a
21550 call. We do not combine across a call, but we still
21551 relied on equivalences.
21553 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21555 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21556 vrp_int_const_binop returning non-constant nodes.
21558 2006-01-16 Paul Brook <paul@codesourcery.com>
21560 * config/m68k/m68k.c (output_move_const_into_data_reg):
21561 Output correct mnemonic for mvz and mvs.
21563 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21565 * rtl-factoring.c: Add sequence abstraction algorithm.
21566 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21567 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21569 (block_has_preserve_label): New function.
21570 * common.opt: Register new pass.
21571 * Makefile.in: Ditto.
21573 * timevar.def: Ditto.
21574 * tree-pass.h: Ditto.
21575 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21576 * rtl.h (make_jump_insn_raw): Add forward decl.
21577 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21579 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21580 Roger Sayle <roger@eyesopen.com>
21582 * fold-const.c (fold_minmax): New static function.
21583 (fold_binary) <MIN_EXPR>: Call it.
21584 <MAX_EXPR>: Likewise.
21585 * stor-layout.c (place_field): Use DECL_SIZE consistently
21586 in the computation of the new record size.
21588 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21590 * cse.c (cse_condition_code_reg): Make it static.
21591 * rtl.h: Remove the prototype for cse_condition_code_reg.
21593 * combine.c (combine_instructions): Make it static.
21594 * rtl.h: Remove the prototype for combine_instructions.
21596 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21599 * tree.c (get_file_function_name_long): Concatenate the first global
21600 object name with a string derived from the input filename of the object
21603 2006-01-16 Ben Elliston <bje@au.ibm.com>
21605 * config/i386/winnt-stubs.c: Update FSF address.
21606 * config/xtensa/ieee754-df.S: Ditto.
21607 * config/xtensa/ieee754-sf.S: Ditto.
21609 2006-01-14 Ian Lance Taylor <ian@airs.com>
21611 * ifcvt.c (noce_init_if_info): New static function, broken out of
21612 noce_process_if_block.
21613 (noce_process_if_block): Call noce_init_if_info.
21614 (check_cond_move_block): New static function.
21615 (cond_move_process_if_block): New static function.
21616 (process_if_block): Call cond_move_process_if_block.
21618 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21620 * cselib.c (hash_table): Rename to cselib_hash_table.
21621 (cselib_clear_table, discard_useless_values,
21622 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21623 cselib_init, cselib_finish): Adjust uses of hash_table.
21625 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21627 PR tree-optimization/25485
21628 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21629 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21630 is known to be false and true, respectively.
21632 2006-01-14 Richard Guenther <rguenther@suse.de>
21634 PR tree-optimization/22548
21635 PR tree-optimization/22555
21636 PR tree-optimization/22501
21637 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21638 * params.def (salias-max-array-elements): New parameter.
21639 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21640 * doc/invoke.texi (salias-max-array-elements): Document.
21641 * tree-flow-inline.h (var_can_have_subvars): We also handle
21643 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21645 * tree-ssa-structalias.c (params.h): Include.
21646 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21647 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21648 (get_constraint_for): For ADDR_EXPR operating on something
21649 containing an ARRAY_REF, add all subvars to the solution.
21650 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21651 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21652 for creating MUST_DEFs.
21653 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21655 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21657 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21659 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21660 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21661 number_of_iterations_le): New functions.
21662 (number_of_iterations_special): Removed.
21663 (number_of_iterations_exit): Do not use number_of_iterations_special.
21664 * tree.c (unsigned_type_for): Always return integer type.
21666 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21667 Richard Guenther <rguenther@suse.de>
21669 PR rtl-optimization/24257
21670 * gcse.c (find_moveable_store): Only consider a store movable
21671 when the SET_SRC of the insn can be assigned to a register.
21673 2006-01-14 Ian Lance Taylor <ian@airs.com>
21675 * tree.c (tree_not_class_check_failed): New function.
21676 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21677 (tree_not_class_check_failed): Declare.
21679 2006-01-13 Ian Lance Taylor <ian@airs.com>
21681 * reload1.c (do_output_reload): Add assertion rejecting a
21684 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21686 * combine.c (struct reg_stat): Add new fields truncation_label and
21688 (record_value_for_reg): Reset truncated_to_mode.
21689 (record_truncated_value): New function.
21690 (check_promoted_subreg): Call it. Rename to check_conversions.
21691 (combine_instructions): Rename check_promoted_subreg to
21693 (reg_truncated_to_mode): New function.
21694 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21695 (gen_lowpart_or_truncate): New function.
21696 (force_to_mode): Use it instead of gen_lowpart.
21698 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21700 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21701 VAR is a tag, not its type tag.
21703 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21705 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21706 alternatives to match style of other entries.
21707 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21709 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21711 PR tree-optimization/25771
21712 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21715 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21718 * tree-inline.c (declare_return_variable): If the return variable
21719 was marked as a non gimple complex, set the return slot variable
21720 to be a non gimple comple variable.
21722 2006-01-13 Richard Guenther <rguenther@suse.de>
21724 * builtins.c (expand_builtin_sincos): New function.
21725 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21727 (expand_builtin): Expand sincos using expand_builtin_sincos.
21729 2006-01-12 DJ Delorie <dj@redhat.com>
21731 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21732 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21733 so that constant shifts can be split.
21734 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21735 (m32c_valid_pointer_mode): Make static.
21736 (shift_gen_func_for): New.
21737 (m32c_prepare_shift): Use it. Split large const shifts into
21739 * config/m32c/predicates.md (shiftcount_operand): Allow more
21741 (longshiftcount_operand): New.
21742 * doc/md.texi (Machine Constraints): Document In6.
21744 2006-01-13 Ben Elliston <bje@au.ibm.com>
21746 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21747 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21750 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21752 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21753 to try to avoid clobbering pieces of structures when we know
21754 something about the whole structure.
21755 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21757 2006-01-13 Ben Elliston <bje@au.ibm.com>
21759 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21760 return in memory, as this is no limitation is no longer present.
21762 2006-01-12 DJ Delorie <dj@redhat.com>
21764 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21765 mova with fb, and for fb+0 -> An.
21767 * config/m32c/mov.md (peephole2): Fix enabling logic.
21769 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21770 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21771 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21772 FINI_ARRAY_SECTION_ASM_OP): Define.
21774 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21776 (m32c_legitimize_reload_address): New logic to reload FB to An.
21777 (m32c_output_reg_push): Add newline.
21778 (m32c_output_reg_pop): Likewise.
21780 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21782 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21784 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21786 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21788 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21790 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21793 2006-01-11 Ben Elliston <bje@au.ibm.com>
21795 * rtlanal.c (find_reg_note): Assert insn is not null.
21797 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21799 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21802 2006-01-11 Jeff Law <law@redhat.com>
21804 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21806 (mark_threaded_blocks, register_jump_thread): New functions.
21807 (thread_through_all_blocks): Remove unwanted argument. No
21808 longer rely on e->aux to communicate thread target info.
21809 Call mark_threaded_blocks. Release the threaded_blocks
21810 bitmap and threaded_edges vector when complete.
21811 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21812 (threaded_blocks): Remove.
21813 (tree_ssa_dominator_optimize): Remove initialization and
21814 finalization of threaded_blocks. Simplify call to
21815 thread_through_all_blocks.
21816 (thread_across_edge): Call register_jump_thread rather than
21817 storing thread information into e->aux.
21818 (free_all_edge_infos): Simplify now that e->aux is no longer
21819 used to communicate with thread_through_all_blocks.
21820 * tree-flow.h (thread_through_all_blocks): Update prototype.
21821 (register_jump_thread): Prototype.
21823 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21825 * df-core.c (df_compact_blocks, df_bb_replace): Use
21826 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21828 2006-01-11 Richard Guenther <rguenther@suse.de>
21830 PR tree-optimization/25734
21831 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21832 stop propagation after successful propagation to the LHS.
21834 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21836 * basic-block.h (control_flow_graph): Change the type of
21837 x_basic_block_info to VEC(basic_block,gc) *.
21838 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21840 (SET_BASIC_BLOCK): New.
21841 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21842 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21843 * cfgbuild.c (find_basic_blocks): Likewise.
21844 * cfglayout.c (fixup_reorder_chain): Likewise.
21845 * cfgrtl.c (create_basic_block_structure,
21846 rtl_create_basic_block): Likewise.
21847 * ifcvt.c (find_if_case_1): Likewise.
21848 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21851 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21853 * Makefile.in: Removed rotted odf.c entry.
21855 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21858 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21859 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21860 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21861 output pattern modifier, not %e.
21862 * config/cris/cris.c (cris_op_str): Update comment about pattern
21864 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21865 before falling through into...
21866 <case 'E'>: Redefined from old 'e' case.
21868 2006-01-11 Jan Hubicka <jh@suse.cz>
21871 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21873 2006-01-11 Jan Hubicka <jh@suse.cz>
21875 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21876 * i386.c (x86_decompose_lea): Kill.
21877 (ix86_rtx_costs): Kill.
21879 2006-01-11 Jan Hubicka <jh@suse.cz>
21881 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21882 * cgraph.h (cgraph_node): Add inline_decl.
21883 (cgraph_insert_node_to_hashtable): Declare.
21884 (save_inline_function_body): Declare.
21885 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21887 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21888 (cgraph_function_versioning): Update call of tree_function_versioning.
21889 (save_inline_function_body): New function.
21890 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21891 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21892 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21893 (cgraph_default_inline_p): Likewise.
21894 (cgraph_decide_inlining_incrementally): Likewise.
21895 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21896 (copy_bb): Kill saving; do updating of clones.
21897 (copy_cfg_body): Kill saving.
21898 (initialize_inlined-parameters): Likewise.
21899 (expand_call_inline): Likewise.
21901 (tree_function_versioning): New parameter "update_clones".
21902 (inlining_p): Kill saving.
21903 * tree-inline.h (tree_function_versioning): Update prototype.
21904 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21907 2006-01-11 Ian Lance Taylor <ian@airs.com>
21909 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21910 Allow undoing set of machine mode.
21911 (do_SUBST): Use enums instead of is_int.
21912 (do_SUBST_MODE): New function.
21913 (SUBST_MODE): New macro.
21914 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21915 reg and trying to replace reg_regno_rtx with a new register.
21916 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21917 (simplify_set): Use SUBST_MODE.
21918 (distribute_notes): Remove code that tried to update reg notes
21919 for regno_reg_rtx changes.
21921 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21923 PR tree-optimization/23109
21924 PR tree-optimization/23948
21925 PR tree-optimization/24123
21927 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21928 * tree-cfg.c (single_noncomplex_succ): New.
21929 * tree-flow.h (single_noncomplex_succ): Declare it.
21930 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21931 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21932 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21933 insert_bb, register_division_in, insert_reciprocals,
21934 replace_reciprocal, free_bb): New.
21935 (execute_cse_reciprocals_1): Rewritten.
21936 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21937 Do not commit any edge insertion. Always compute dominators and
21938 create the allocation pool.
21939 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21940 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21941 * targhooks.c (default_min_divistions_for_recip_mul): New.
21942 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21943 * passes.c (init_optimization_passes): Run recip after tree loop
21945 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21947 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21948 Kenneth Zadeck <zadeck@naturalbridge.com>
21950 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21951 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21952 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21953 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21954 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21955 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21956 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21957 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21958 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21959 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21960 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21961 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21962 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21963 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21964 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21965 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21966 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21967 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21968 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21969 DF_SCAN_POST_ALLOC): New macros.
21970 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21971 df_free_bb_function, df_local_compute_function, df_init_function,
21972 df_dataflow_function, df_confluence_function_0,
21973 df_confluence_function_n, df_transfer_function,
21974 df_finalizer_function, df_free_function, df_dump_problem_function,
21975 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21976 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21977 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21978 df_urec_bb_info, ) New types.
21979 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21981 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21982 df_analyze_simple_change_some_blocks,
21983 df_analyze_simple_change_one_block, df_compact_blocks,
21984 df_bb_replace, df_bb_regno_last_use_find,
21985 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21986 df_insn_regno_def_p, df_find_def, df_find_use,
21987 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21988 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21989 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21990 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21991 debug_df_chain, df_get_dependent_problem, df_chain_create,
21992 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21993 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21994 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21995 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21996 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21997 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21998 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21999 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22000 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22001 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22002 df_reorganize_refs, df_set_state, df_hard_reg_init,
22003 df_read_modify_subreg_p) New public functions.
22004 * df-core.c: The core dataflow solver and glue routines for rtl
22006 (df_init, df_add_problem, df_set_blocks, df_finish,
22007 df_hybrid_search_forward, df_hybrid_search_backward,
22008 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22009 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22010 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22011 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22012 df_reg_defined, df_find_use, df_reg_used, df_dump,
22013 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22014 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22015 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22016 debug_df_useno, reset_df_after_reload): New functions.
22017 * df-scan.c: The scanning fuctions, once in df.c, completely
22018 rewritten so that they now fully model the functionality of
22019 register usage at the backend.
22020 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22021 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22022 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22023 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22024 df_get_artificial_defs, df_get_artificial_uses,
22025 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22026 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22027 df_refs_delete, df_reorganize_refs, df_set_state,
22028 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22029 df_def_record_1, df_defs_record, df_uses_record,
22030 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22031 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22032 df_record_exit_block_uses, df_hard_reg_init): New functions.
22034 * df-problems.c: Seven concrete dataflow problems that use the
22035 scanning in df-scan.c and are solved by the engine in df-core.c.
22036 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22037 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22038 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22039 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22040 df_ru_free_bb_info, df_ru_alloc,
22041 df_ru_bb_local_compute_process_def,
22042 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22043 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22044 df_ru_transfer_function, df_ru_free, df_ru_dump,
22045 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22046 df_rd_free_bb_info, df_rd_alloc,
22047 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22048 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22049 df_rd_transfer_function, df_rd_free, df_rd_dump,
22050 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22051 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22052 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22053 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22054 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22055 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22056 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22057 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22058 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22059 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22060 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22061 df_urec_mark_reg_use_for_earlyclobber,
22062 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22063 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22064 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22065 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22066 df_chain_create_bb_process_use, df_chain_create_bb,
22067 df_chain_finalize, df_chain_free, df_chains_dump,
22068 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22069 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22070 df_reg_lifetime): New functions.
22071 * df.c: Deleted file.
22072 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22073 consistent with new df api.
22074 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22075 rest_of_handle_sms): Ditto.
22076 * web.c (unionfind_union, union_defs, entry_register, web_main):
22078 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22079 invariant_expr_equal_p, find_defs, check_dependencies,
22080 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22081 free_inv_motion_data, move_loop_invariants): Ditto.
22082 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22083 Update dependencies.
22084 (odf.c): Added defective entry that was deleted later in day.
22085 * sched-deps.c (sched_analyze_1): Ditto.
22087 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22089 * tree-ssa-operands.c (get_expr_operands): Record addressable
22090 variables directly. Do not call add_stmt_operands for CONST_DECLs
22092 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22093 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22095 2006-01-11 Ben Elliston <bje@au.ibm.com>
22097 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22098 function returns true in the positive case.
22100 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22103 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22104 for SI, DI, SF and DF modes. Add alternatives to copy between
22105 general and floating point registers to the 32-bit patterns.
22106 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22107 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22108 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22109 generating 64-bit code.
22110 * config/pa/pa.c (output_move_double): Handle copies between general
22111 and floating registers.
22113 2006-01-10 Stuart Hastings <stuart@apple.com>
22115 * config/i386/i386.md (set_got): Update.
22116 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22117 (builtin_setjmp_receiver): Mach-O support.
22118 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22119 (GOT_SYMBOL_NAME): Define.
22120 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22121 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22122 * config/i386/i386.c (override_options): Revise for Darwin.
22123 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22124 support. (darwin_x86_file_end): New. (output_set_got): Add label
22125 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22126 * config/i386/i386-protos.h (output_set_got): Likewise.
22127 * config/darwin.c (machopic_legitimize_pic_address): Update
22130 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22132 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22133 when MODE isn't BLKmode.
22135 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22137 PR rtl-optimization/25367
22138 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22140 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22143 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22144 for a negative bound.
22146 2006-01-10 Richard Guenther <rguenther@suse.de>
22148 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22149 Never override with anything constraint.
22151 2006-01-10 Jan Beulich <jbeulich@novell.com>
22153 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22154 256 bits when optimize_size.
22156 2006-01-10 Jan Beulich <jbeulich@novell.com>
22158 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22160 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22161 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22164 2006-01-10 Ben Elliston <bje@au.ibm.com>
22166 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22168 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22169 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22170 (USE_FP_FOR_ARG): Reject decimal float modes.
22171 (function_arg_advance): Likewise.
22172 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22173 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22174 point types in AltiVec vectors.
22175 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22176 (rs6000_libcall_value): Likewise.
22178 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22180 * config/xtensa/ieee754-df.S: New file.
22181 * config/xtensa/ieee754-sf.S: New file.
22182 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22183 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22184 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22186 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22188 * config/sh/predicates.md (binary_float_operator,
22189 binary_logical_operator, commutative_float_operator,
22190 equality_comparison_operator, greater_comparison_operator,
22191 less_comparison_operator, logical_operator,
22192 noncommutative_float_operator, shift_operator,
22193 symbol_ref_operand, unary_float_operator): Remove redundant
22196 2006-01-09 Jeff Law <law@redhat.com>
22198 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22199 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22200 now unused arguments. Callers updated.
22201 (eliminate_redundant_computations): Remove now unused arguments,
22203 (local_fold): Remove, no longer used.
22204 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22206 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22207 (simplify_cond): New function.
22208 (forward_propagate_into_cond): Call simplify_cond.
22210 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22212 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22213 (*vec_extractv2di_1_sse): New.
22215 2006-01-09 Ben Elliston <bje@au.ibm.com>
22217 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22219 2006-01-08 Richard Guenther <rguenther@suse.de>
22221 * tree-ssa-structalias.c (get_constraint_for): Remove
22222 anyoffset argument.
22223 (get_constraint_for_component_ref): Likewise.
22224 (do_deref): Likewise.
22225 (get_constraint_for): Likewise.
22226 (do_structure_copy): Likewise.
22227 (handle_ptr_arith): Likewise.
22228 (find_func_aliases): Likewise. Remove unused need_anyoffset
22231 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22232 Kaz Kojima <kkojima@gcc.gnu.org>
22234 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22235 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22236 (EXTRA_CONSTRAINT_C16): Remove.
22237 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22238 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22239 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22240 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22241 constants of SHmedia. Handle nested constant expressions of
22243 (andcosts): Fix the costs for SHmedia constants.
22244 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22245 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22246 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22247 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22248 (movv4hi_i, movv2si_i): Likewise.
22249 (movsi_const): Adjust the second operand of ior so to match with
22250 the Csu constraint.
22251 (movdi_const, movdi_const_32bit): Likewise.
22252 (movdi_const_16bit+1): Don't sign-extend LOW.
22253 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22255 (*double_shori): Fix the split condition. Use GEN_INT instead
22256 of get_int_mode calls. Mask lower 16-bit of the argument of
22258 (sym2GOTPLT): Remove.
22259 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22261 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22262 instead of EXTRA_CONSTRAINT_C16.
22264 2006-01-07 Ian Lance Taylor <ian@airs.com>
22265 David Edelsohn <edelsohn@gnu.org>
22267 PR rtl-optimization/25662
22268 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22269 for constant operands instead of simplify_gen_binary.
22270 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22271 after trying simplify_binary_operation
22273 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22275 * tree.c (iterative_hash_expr): Hash decls based on UID.
22277 2006-01-06 Eric Christopher <echristo@apple.com>
22279 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22280 (TARGET_UNWIND_EMIT): Fix spelling.
22281 * target.h (gcc_target): Add except_table_label.
22282 * except.c (output_function_exception_table): Use.
22283 * varasm.c (default_emit_except_table_label): New.
22284 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22286 (asm_out): Add here.
22287 * output.h (default_emit_except_table_label): Prototype.
22288 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22289 * config/darwin.c (darwin_emit_except_table_label): Define.
22290 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22292 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22294 PR tree-optimization/18527
22295 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22296 number_of_iterations_special, number_of_iterations_exit):
22297 Move base and step of an iv to a single structure. Add
22298 no_overflow flag, and use it in # of iterations analysis.
22299 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22300 folded_casts argument.
22301 (simple_iv): Pass base and step in a structure. Set no_overflow
22303 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22304 Evaluate expensiveness of computing # of iterations instead of
22305 the final expression.
22306 * tree-scalar-evolution.h (affine_iv): New structure.
22307 (simple_iv): Declaration changed.
22308 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22309 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22310 find_givs_in_stmt): Changed due to simple_iv change.
22312 2006-01-06 Jeff Law <law@redhat.com>
22315 * tree-cfg.c (bsi_replace): Rename final argument from
22316 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22317 change (stmt -> orig_stmt).
22318 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22319 (bsi_remove): Add new argument. Remove EH information
22321 (verify_eh_throw_table_statements): New function.
22322 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22324 * tree-optimize.c (execute_free_cfg_annotations): Verify
22325 the EH throw statement table after removing annotations.
22326 * except.h (verify_eh_throw_table_statements): Prototype.
22327 * tree-flow.h (bsi_remove): Update prototype.
22328 * tree-vrp.c (remove_range_assertions): Add new argument to
22330 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22331 * tree-complex.c (expand_complex_div_wide): Likewise.
22332 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22333 * tree-tailcall.c (eliminate_tailcall): Likewise.
22334 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22335 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22336 * tree-nrv.c (tree_nrv): Likewise.
22337 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22338 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22339 (combine_blocks): Likewise.
22340 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22341 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22342 (cleanup_control_flow): Likewise.
22343 (remove_forwarder_block): Likewise.
22344 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22345 * tree-sra.c (sra_replace): Likewise.
22346 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22347 (forward_propagate_single_use_vars): Likewise.
22348 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22349 * tree-inline.c (expand_call_inline): Likewise.
22350 * tree-vect-transform.c (vect_transform_loop): Likewise.
22351 * tree-outof-ssa.c (rewrite_trees): Likewise.
22352 * tree-cfg.c (make_goto_expr_edges): Likewise.
22353 (cleanup_dead_labels): Likewise.
22354 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22355 (bsi_move_before, bsi_move_after): Likewise.
22356 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22357 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22359 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22362 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22364 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22365 on non gimple variables. Also add checks at the top for decls and
22367 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22369 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22370 and IMAGPART_EXPR for creating MUST_DEFs.
22371 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22372 and NAME_MEMORY_TAG separately from the DECLs.
22374 2006-01-06 Richard Guenther <rguenther@suse.de>
22376 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22377 annotation, if necessary.
22378 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22379 redundant calls to update_stmt.
22380 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22383 2006-01-05 Richard Henderson <rth@redhat.com>
22385 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22387 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22389 * c-typeck.c: Update copyright date.
22391 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22393 * c-typeck.c (build_c_cast): Always warn when casting
22394 from a pointer to an integer of different size, even if
22395 the node was constant.
22397 2006-01-05 Richard Guenther <rguenther@suse.de>
22399 PR tree-optimization/22555
22400 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22401 if one structure field is an array.
22402 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22403 operands even if we found a subvar, but ignore VOPs in this
22405 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22407 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22409 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22411 PR middle-end/24998
22412 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22414 2006-01-05 Richard Guenther <rguenther@suse.de>
22415 Diego Novillo <dnovillo@redhat.com>
22417 * tree-pass.h (TODO_remove_unused_locals): Define.
22418 * gimple-low.c (expand_var_p, remove_useless_vars,
22419 pass_remove_useless_vars): Remove. Update all users.
22420 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22421 (remove_unused_locals): New function.
22422 * tree-flow.h (remove_unused_locals): Declare.
22423 * passes.c (execute_todo): Call remove_unused_locals if
22424 TODO_remove_unused_locals is set.
22425 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22426 * tree-ssa-dce.c (pass_dce): Likewise.
22427 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22429 2006-01-05 Richard Guenther <rguenther@suse.de>
22431 * tree-flow.h (struct fieldoff): Decompose field to
22432 type, size and decl.
22433 * tree-ssa-alias.c (create_sft): Take type as parameter.
22434 (create_overlap_variables_for): Store type, size and decl
22435 in the fieldoff structure.
22436 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22437 of struct fieldoff.
22438 (push_fields_onto_fieldstack): Likewise.
22439 (create_variable_info_for): Likewise. Use offset for the
22440 SFT name if the decl is not available.
22442 2006-01-04 Paul Brook <paul@codesourcery.com>
22444 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22446 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22448 * lambda-code.c (can_put_in_inner_loop): Relax
22450 (can_put_after_inner_loop): New function.
22451 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22452 (perfect_nestify): Change to make copies and modify uses.
22454 2006-01-04 Richard Henderson <rth@redhat.com>
22456 Merge from gomp branch:
22457 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22458 via integer constant.
22459 (pragma_lex): Remove.
22460 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22461 rather than parsing it.
22462 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22463 handle_pragma_extern_prefix): Add %< %> quotes.
22464 (registered_pragmas): New.
22465 (c_register_pragma_1): New.
22466 (c_register_pragma): Use it.
22467 (c_register_pragma_with_expansion): Likewise.
22468 (c_invoke_pragma_handler): New.
22469 (init_pragma): Use cpp_register_deferred_pragma directly for
22471 * c-pragma.h (enum pragma_kind): New.
22472 (pragma_handler): New.
22473 (c_invoke_pragma_handler): Declare.
22474 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22476 * c-common.h (c_common_pch_pragma): Update decl.
22477 * Makefile.in (c-parser.o): Update dependencies.
22478 (GTFILES): Add c-pragma.h.
22479 * c-parser.c (struct c_token): Add pragma_kind.
22480 (struct c_parser): Add in_pragma.
22481 (c_lex_one_token): Always initialize keyword and pragma_kind.
22482 Extract data for CPP_PRAGMA.
22483 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22484 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22485 Don't allow CPP_PRAGMA_EOL if in_pragma.
22486 (c_parser_consume_pragma): New.
22487 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22488 (c_parser_skip_to_end_of_parameter): Likewise.
22489 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22490 (c_parser_skip_to_pragma_eol): New.
22491 (c_parser_external_declaration): Handle CPP_PRAGMA.
22492 (c_parser_compound_statement_nostart): Likewise.
22493 (c_parser_statement_after_labels): Likewise.
22494 (c_parser_pragma): New.
22495 (pragma_lex): Likewise.
22496 (c_parser_pragma_pch_preprocess): New.
22497 (c_parser_new): Merge into ...
22498 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22500 2006-01-04 Jeff Law <law@redhat.com>
22503 * tree-cfg.c (bsi_replace): Remove the original statement
22504 from the EH throw statement table.
22506 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22508 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22509 make the prototype extern "C" and add throw ().
22512 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22513 and pos non-negative and pos + len <= 32.
22514 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22515 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22516 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22519 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22520 as well as sizes not multiple of component size.
22523 * function.c (instantiate_expr): New function.
22524 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22525 walk its DECL_VALUE_EXPR with instantiate_expr.
22527 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22528 DW_OP_deref{,_size} if address isn't going to be added.
22530 2006-01-04 Ben Elliston <bje@au.ibm.com>
22532 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22533 * config/fp-bit.c: Likewise.
22535 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22537 * dominance.c: Add comment about why we use DFS numbering
22540 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22541 Richard Henderson <rth@redhat.com>
22543 Merge from gomp-branch:
22544 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22545 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22547 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22549 PR rtl-optimization/25578
22550 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22551 pass a parameter to simplify_shift_const if changing ASHIFTRT
22554 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22556 * builtins.c (get_builtin_sync_mem): New function.
22557 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22558 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22559 Call get_builtin_sync_mem to generate mem rtx.
22561 2006-01-03 Richard Guenther <rguenther@suse.de>
22564 * stmt.c (add_case_node): Make sure to clear overflow flags
22567 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22569 Merge from gomp-branch.
22570 * config/sparc/sync.md: New file.
22571 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22572 UNSPECV_LDSTUB): New constants.
22573 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22574 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22575 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22578 2006-01-03 Roger Sayle <roger@eyesopen.com>
22580 * combine.c (reg_subword_p): New predicate to test whether the
22581 destination of a set refers to a subword/piece of a register.
22582 (try_combine): Generalize the code to merge the setting of a
22583 pseudo to a constant followed by a set of a subword of that
22584 register to a constant.
22586 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22588 * basic-block.h (control_flow_graph): Change the type of
22589 x_label_to_block_map to VEC(basic_block,gc) *.
22590 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22591 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22593 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22594 VEC(basic_block,heap) *.
22595 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22596 ssa_prop_fini): Adjust the uses of cfg_blocks.
22598 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22600 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22602 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22603 hashing trees instead of a pointer hash.
22604 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22605 compare for MEM_EXPR.
22607 PR rtl-optimization/25130
22608 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22609 when comparing MEMs for GCSE
22611 2006-01-03 Ben Elliston <bje@au.ibm.com>
22613 * targhooks.h (default_decimal_float_supported_p): Declare.
22614 * targhooks.c (default_decimal_float_supported_p): Define.
22615 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22616 `default_decimal_float_supported_p'.
22617 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22619 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22621 * combine.c (apply_distributive_law <SUBREG>): Check
22622 TRULY_NOOP_TRUNCATION.
22624 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22626 * dwarf2out.c (have_switched_text_section): Delete.
22627 (have_multiple_function_sections): New.
22628 (have_location_lists): Make 'bool'.
22629 (add_AT_loc_list): Use 'true' not '1'.
22630 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22631 (output_loc_list): Use have_multiple_function_sections.
22632 (output_ranges): Likewise.
22633 (dwarf2out_begin_function): Set have_multiple_function_sections if
22635 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22636 Check function_section rather than DECL_SECTION_NAME.
22637 (dwarf2out_finish): Use have_multiple_function_sections.
22638 Don't clear have_location_lists.
22640 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22641 Jan Hubicka <jh@suse.cz>
22643 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22644 case of conditional jump jumping to the next instruction.
22645 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22646 cases of conditional jump jumping to the next instruction.
22648 2006-01-02 Jan Hubicka <jh@suse.cz>
22650 * i386.c (*_cost): Add COSTS_N_INSNS.
22651 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22653 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22656 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22658 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22660 * config/arm/arm.c (all_fpus): Fix comment typo.
22661 * config/darwin.c: Likewise.
22662 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22663 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22664 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22666 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22668 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22669 (rs6000_split_compare_and_swapqhi): New.
22670 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22671 (sync_compare_and_swapqhi_internal): New.
22672 * config/rs6000/rs6000-protos.h: Declare.