1 2006-12-11 Diego Novillo <dnovillo@redhat.com>
3 * doc/tree-ssa.texi: Update documentation for virtual operands
4 and the use of push_stmt_changes/pop_stmt_changes.
5 * doc/invoke.texi: Remove documentation for params
7 Update documentation on max-aliased-vops.
9 * tree-into-ssa.c: Cleanup comments, variables and
10 spacing in various functions.
11 (regs_to_rename): Declare.
12 (mem_syms_to_rename): Declare.
13 (dump_update_ssa): Declare.
14 (debug_update_ssa): Declare.
15 (dump_names_replaced_by): Declare.
16 (debug_names_replaced_by): Declare.
17 (dump_def_blocks): Declare.
18 (debug_def_blocks): Declare.
19 (dump_defs_stack): Declare.
20 (debug_defs_stack): Declare.
21 (dump_currdefs): Declare.
22 (debug_currdefs): Declare.
23 (mark_def_sites): Do not handle virtual operands.
24 (compute_idf): Rename from find_idf. Update users.
25 (register_new_def): Make local. Convert second argument
27 Use BLOCK_DEFS_STACK directly.
28 If pushing a non-register, also push the underlying
30 (rewrite_stmt): Do not handle virtual operands.
31 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
32 dump_currdefs and dump_tree_ssa_stats.
33 (dump_tree_ssa_stats): Also dump REPL_TBL.
34 (replace_use): Remove. Update all users to call SET_USE
36 (rewrite_blocks): Move code to free memory to
38 (mark_def_site_blocks): Move initialization code to
40 (init_ssa_renamer): New.
41 (fini_ssa_renamer): New.
42 (rewrite_into_ssa): Call them.
43 (prepare_block_for_update): Process SSA_OP_ALL_USES first
44 and SSA_OP_ALL_DEFS later. Do not process virtual
46 (dump_update_ssa): Call dump_decl_set.
47 (init_update_ssa): Initialize regs_to_rename and
49 Call init_ssa_renamer.
50 (delete_update_ssa): Call fini_ssa_renamer.
51 Free blocks_with_phis_to_rewrite.
52 (mark_sym_for_renaming): If the variable has
53 sub-variables, also mark them.
54 If the variable belongs to a partition, also mark it.
55 (mark_set_for_renaming): Call mark_sym_for_renaming on
56 every symbol in the set.
57 (switch_virtuals_to_full_rewrite): Call
58 mark_set_for_renaming.
59 (update_ssa): Separate syms_to_rename into regs_to_rename
60 and mem_syms_to_rename.
62 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
63 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
64 (debug_generic_stmt): Likewise.
65 (debug_tree_chain): Likewise.
67 (dump_generic_node): Check for TDF_MEMSYMS.
68 Handle MEMORY_PARTITION_TAG.
69 If the statement references memory and TDF_MEMSYMS is
70 given, call dump_symbols.
71 Indicate default names with (D).
72 (dump_vops): Update for new virtual operator format.
74 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
76 (tree_code_size): Handle MEMORY_PARTITION_TAG.
77 (tree_node_structure): Likewise.
78 (needs_to_live_in_memory): Handle SSA names.
79 * tree.h (MTAG_P): Likewise.
80 (struct tree_memory_partition_tag): Declare.
81 (MPT_SYMBOLS): Define.
82 (union tree_node): Add field 'mpt'.
83 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
84 * tree.def (MEMORY_PARTITION_TAG): Define.
86 * tree-pass.h (TDF_MEMSYMS): Define.
88 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
90 * tree-ssa-alias.c: Include pointer-set.h
91 (struct alias_map_d): Remove fields total_alias_vops,
92 grouped_p and may_aliases. Update all users.
93 (struct mp_info_def): Declare.
94 (mp_info_t): New type.
95 (get_smt_for): Rename from get_tmt_for. Update all
97 (add_may_alias): Add argument ALREADY_ADDED. If given,
98 use it to avoid adding duplicate entries to alias sets.
99 (replace_may_alias): Remove. Update all users.
100 (total_alias_vops_cmp): Remove. Update all users.
101 (group_aliases_into): Remove. Update all users.
102 (tree_pointer_compare): Remove. Update all users.
103 (compact_name_tags): Remove. Update all users.
104 (group_aliases): Remove. Update all users.
105 (mark_non_addressable): Move from tree-flow-inline.h.
106 Remove the symbol from the partition holding it, if
109 (debug_mp_info): New.
111 (create_partition_for): New.
112 (rewrite_alias_set_for): New.
113 (compute_memory_partitions): New.
114 (compute_may_aliases): Call it.
115 (init_alias_info): If computing aliases for the first
116 time, mark every memory symbol for renaming.
117 (have_common_aliases_p): New.
118 (compute_flow_insensitive_aliasing): Call it.
119 (setup_pointers_and_addressables): Do not cache
121 For register promoted symbols, mark their former
122 partition for renaming.
123 (maybe_create_global_var): Only create .GLOBAL_VAR if
124 there are no call-clobbered variables and a mix of pure
125 and non-pure functions were found.
126 (may_alias_p): Tidy comments.
127 (create_tag_raw): Remove unused variable new_type.
128 (dump_alias_info): call dump_memory_partitions.
129 (dump_points_to_info_for): Call dump_decl_set.
130 (may_be_aliased): Tidy comments and formatting.
132 * timevar.def (TV_MEMORY_PARTITIONING): Define.
133 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
134 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
136 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
137 * tree-vect-transform.c (vect_transform_loop): Call
138 mark_set_for_renaming with vect_memsyms_to_rename.
139 * tree-flow-inline.h (zero_imm_uses_p): New.
140 (memory_partition): New.
141 (set_memory_partition): New.
142 (factoring_name_p): New.
143 (symbol_mem_tag): New. Update every function that used
144 to access the annotation directly.
145 (set_symbol_mem_tag): Likewise.
147 * tree-ssa-copy.c (may_propagate_copy): Allow copies
148 between a partition and a symbol as long as the symbol
149 belongs to the partition.
150 (merge_alias_info): Ignore merge requests when memory
151 partitions are involved.
153 * tree-ssa.c (verify_ssa_name): Check that default
154 definitions have empty defining statements.
155 (verify_use): Remove argument IS_VIRTUAL.
156 Don't call verify_ssa_name.
157 (verify_phi_args): Call verify_ssa_name.
158 (verify_flow_insensitive_alias_info): Handle MPTs.
159 (verify_flow_sensitive_alias_info): Likewise.
160 (verify_name_tags): Likewise.
161 (verify_call_clobbering): Likewise.
162 (verify_ssa): Check for VOPs only after aliasing
163 information is available.
164 Check virtuals and real operands separately.
165 Call verify_ssa_name on every operand.
166 (stmt_references_memory_p): Move to tree-ssa-operands.c.
167 (walk_use_def_chains_1): Guard against NULL PHI
170 * tree-ssa-operands.c (stmt_references_memory_p): Move from
173 (dump_memory_partitions): New.
174 (debug_memory_partitions): New.
176 * tree-flow.h (struct var_ann_d): Add field mpt.
177 (struct stmt_ann_d): Add bitfield references_memory.
178 * Makefile.in (tree-ssa-structalias.o): Include
180 (tree-ssa-alias.o): Likewise.
181 * tree-ssa-structalias.c: (update_alias_info): Use
182 STORED_SYMS to determine which variables are being
183 written to by the store operation.
184 * tree-ssa-structalias.h (struct alias_info)
185 <total_alias_vops>: Remove. Update all users.
186 <written_vars>: Change to a pointer set. Update all
188 <dereferenced_ptrs_store>: Likewise.
189 <dereferenced_ptrs_load>: Likewise.
190 (NUM_REFERENCES): Remove. Update all users.
191 (NUM_REFERENCES_CLEAR): Remove. Update all users.
192 (NUM_REFERENCES_INC): Remove. Update all users.
193 (NUM_REFERENCES_SET): Remove. Update all users.
195 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
197 (PARAM_MAX_ALIASED_VOPS): Set to 10.
198 * tree-ssanames.c (make_ssa_name): Initialize
199 SSA_NAME_IS_DEFAULT_DEF to 0.
201 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
203 * tree-ssa-dse.c (aggregate_vardecl_d): New.
204 (dse_global_data): Add aggregate_vardecl field.
205 (dse_possible_dead_store_p): New.
206 Add prev_defvar variable.
207 Allow immediate uses and previous immediate uses to differ
208 if they are setting different parts of the whole.
209 (get_aggregate_vardecl): New.
210 (dse_record_partial_aggregate_store): New.
211 (dse_whole_aggregate_clobbered_p): New.
212 (dse_partial_kill_p): New.
213 (dse_optimize_stmt): Abstract code checking a possible dead store
214 into new function dse_possible_dead_store_p().
215 Call dse_maybe_record_aggregate_store().
216 When checking whether a STMT and its USE_STMT refer to the
217 same memory address, check also for partial kills that clobber
219 Move some variable definitions to the block where they are used.
220 (aggregate_vardecl_hash): New.
221 (aggregate_vardecl_eq): New.
222 (aggregate_vardecl_free): New.
223 (aggregate_whole_store_p): New.
224 (tree_ssa_dse): Initialize and free aggregate_vardecl.
225 Mark which aggregate stores we care about.
227 2006-12-11 Andrew Macleod <amacleod@redhat.com>
229 * tree-ssa-operands.h (struct vuse_element_d): Declare.
230 (vuse_element_t): Declare.
231 (struct vuse_vec_d): Declare.
232 (vuse_vec_p): Declare.
233 (VUSE_VECT_NUM_ELEM): Define.
234 (VUSE_VECT_ELEMENT_NC): Define.
235 (VUSE_ELEMENT_PTR_NC): Define.
236 (VUSE_ELEMENT_VAR_NC): Define.
237 (VUSE_VECT_ELEMENT): Define.
238 (VUSE_ELEMENT_PTR): Define.
239 (VUSE_ELEMENT_VAR): Define.
240 (struct maydef_optype_d) <use_var>: Remove.
243 (struct vuse_optype_d) <kill_var>: Remove.
246 (struct mustdef_optype_d) <kill_var>: Remove.
249 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
250 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
253 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
254 (MAYDEF_OP): Add argument. Use VUSE_OP.
255 (MAYDEF_NUM): Define.
256 (MAYDEF_VECT): Define.
257 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
258 (MUSTDEF_KILL): Use VUSE_OP.
259 (MUSTDEF_NUM): Define.
260 (MUSTDEF_VECT): Define.
261 (realloc_maydef): Declare.
262 (realloc_vuse): Declare.
263 (struct ssa_operand_iterator_d) <vuse_index>: Add.
265 (LOADED_SYMS): Define.
266 (STORED_SYMS): Define.
267 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
268 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
270 * tree-pretty-print.c: Likewise.
271 * tree-ssa-dse.c: Likewise.
272 * tree-flow-inline.h: Likewise.
273 (op_iter_next_mustdef): New.
274 * tree-ssa-operands.c: Likewise.
275 (ALLOC_OPTYPE): Remove.
281 (alloc_mustdef): New.
282 (realloc_maydef): New.
285 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
287 * tree-ssa-operands.c: Remove build_v_must_defs.
288 (init_ssa_operands): Delete build_v_must_defs.
289 (finalize_ssa_v_must_def_ops): Remove.
290 (finalize_ssa_v_must_defs): Remove.
291 (finalize_ssa_stmt_operands): Do not call
292 finalize_ssa_v_must_defs.
293 (start_ssa_stmt_operands): Do not check build_v_must_defs.
294 (append_v_must_def): Delete.
295 (copy_virtual_operands): Do not copy V_MUST_DEFs.
296 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
297 comment. Remove opf_kill_def.
298 (build_ssa_operands): Remove references to v_must_defs.
299 (copy_virtual_operands): Same.
300 (copy_virtual_operands): Same.
301 (fini_ssa_operands): Same.
302 (free_ssa_operands): Same.
303 (add_mustdef_op): Remove.
304 Remove mustdef_optype_p.
305 (alloc_mustdef): Remove.
306 Remove references to V_MUST_DEFs in comment at top of file.
307 (get_expr_operands): Remove opf_kill_def.
308 (opf_kill_def): Remove.
309 (add_virtual_operand): Remove opf_kill_def.
310 (get_indirect_ref_operands): Same.
311 (get_tmr_operands): Same.
313 * tree-vectorizer.c (rename_variables_in_bb): Remove
316 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
318 (check_loop_closed_ssa_stmt): Same.
320 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
322 (verify_ssa): Remove V_MUST_DEFs traces.
323 (verify_ssa): Remove SSA_OP_ALL_KILLS.
325 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
327 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
328 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
330 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
332 (MUSTDEF_OPS): Remove.
333 (SSA_OP_VMUSTDEF): Remove.
334 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
335 (struct mustdef_optype_d): Remove.
336 Remove mustdef_optype_p.
337 (struct stmt_operands_d): Remove mustdef_ops.
338 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
339 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
340 (MUSTDEF_RESULT_PTR): Remove.
341 (MUSTDEF_RESULT): Remove.
342 (MUSTDEF_KILL_PTR): Remove.
343 (MUSTDEF_KILL): Remove.
344 (MUSTDEF_NUM): Remove.
345 (MUSTDEF_VECT): Remove.
346 (SSA_OP_VIRTUAL_KILLS): Remove.
347 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
348 (SSA_OP_VMUSTKILL): Remove.
349 (SSA_OP_ALL_KILLS): Remove.
350 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
352 * tree-flow-inline.h (op_iter_init_def): Remove
353 SSA_OP_VIRTUAL_KILLS.
354 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
356 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
357 SSA_OP_VIRTUAL_KILLS.
359 * tree-ssa-loop-im.c (determine_max_movement): Remove
360 SSA_OP_VIRTUAL_KILLS.
361 (gather_mem_refs_stmt): Same.
362 (gather_mem_refs_stmt): Same.
364 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
365 (perform_tree_ssa_dce): Remove call to
366 mark_really_necessary_kill_operand_phis.
368 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
370 (op_iter_next_use): Do not check mustkills.
371 (op_iter_next_def): Do not check mustdefs.
372 (op_iter_next_tree): Do not check mustkills or mustdefs.
373 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
374 (op_iter_next_maymustdef): Do not check mustkills.
375 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
376 (op_iter_init_mustdef): Remove.
378 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
381 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
383 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
384 (visit_assignment): Same.
386 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
388 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
390 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
392 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
393 Remove kill_p variable.
395 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
396 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
397 (collect_dfa_stats_r): Do not set num_v_must_defs.
398 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
401 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
404 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
405 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
407 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
410 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
412 PR rtl-optimization/30113
413 * loop-iv.c (implies_p): Require the mode of the operands to be
416 2006-12-11 Diego Novillo <dnovillo@redhat.com>
418 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
419 Rename from create_ssa_artficial_load_stmt. Update all users.
420 * tree-into-ssa.c (register_new_def): Make static.
421 * tree.c (is_global_var): Handle SSA_NAMEs.
422 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
423 that used to call gimple_default_def.
424 * tree-ssa-operands.c (push_stmt_changes): New.
425 (pop_stmt_changes): New. Update every pass that modifies
426 statements to bracket modifications with
427 push_stmt_changes/pop_stmt_changes.
428 (discard_stmt_changes): New.
429 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
430 'tree *' instead of 'tree'. Update all users.
431 * tree-flow-inline.h (zero_imm_uses_p): New.
432 (symbol_mem_tag): New. Update every function that used
433 to access the annotation directly.
434 (set_symbol_mem_tag): Likewise.
435 * tree-dfa.c (dump_variable): Always show the escape mask.
436 (mark_symbols_for_renaming): Rename from
437 mark_new_vars_to_rename. Update all users.
438 Only mark to rename naked symbols in real and virtual
441 2006-12-11 Andreas Schwab <schwab@suse.de>
443 * varasm.c (elf_record_gcc_switches): Cast second argument of
444 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
446 2006-12-11 Diego Novillo <dnovillo@redhat.com>
448 * tree-scalar-evolution.c (scev_const_prop):
449 * tree-phinodes.c (remove_phi_node): Add argument
450 RELEASE_LHS_P. If given, release the SSA name on the LHS of
453 * tree-ssa-dce.c: Remove forward declarations for static
454 functions. Re-arrange functions bodies as needed.
455 (find_obviously_necessary_stmts): Never mark PHI nodes as
458 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
460 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
462 2006-12-11 Jan Hubicka <jh@suse.cz>
464 * value-prof.c (tree_stringops_transform): New.
465 (tree_value_profile_transformations): Require count to be non-zero;
466 call stringop transform; reset stmt BSI after BB changed.
467 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
468 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
469 (tree_stringops_values_to_profile): New.
470 (tree_values_to_profile): Call tree_stringops_values_to_profile.
471 * tree.h (build_string_literal): Tidy prototype.
472 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
474 * builtins.c (validate_arglist, builtin_memset_read_str,
475 get_pointer_alignment): Export.
477 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
481 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
483 * config/i386/i386.opt: New target option -mx87regparm.
485 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
486 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
487 (X87_REGPARM_MAX): Define.
489 * config/i386/i386.c (override_options): Error out for
490 -mx87regparm but no 80387 support.
491 (ix86_attribute_table): Add x87regparm.
492 (ix86_handle_cconv_attribute): Update comments for x87regparm.
493 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
494 (ix86_function_x87regparm): New function.
495 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
497 (init_cumulative_args): Initialize x87_nregs and float_in_x87
499 (function_arg_advance): Process x87_nregs and x87_regno when
500 floating point argument is to be passed in 80387 register.
501 (function_arg): Pass XFmode arguments in 80387 registers for local
502 functions. Pass SFmode and DFmode arguments to local functions
503 in 80387 registers when flag_unsafe_math_optimizations is set.
505 * reg-stack.c (convert_regs_entry): Disable NaN load for
506 stack registers that are used for argument passing.
508 * doc/extend.texi: Document x87regparm function attribute.
509 * doc/invoke.texi: Document -mx87regparm.
511 2006-12-11 Jan Hubicka <jh@suse.cz>
513 Move all varpool routines out of cgraph/cgraphunit to varpool.c
514 * cgraph.c: Update comments.
515 (cgraph_varpool_hash,
516 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
517 cgraph_varpool_node_name, cgraph_varpool_node,
518 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
519 cgraph_variable_initializer_availability): Move to
520 varpool.c and drop cgraph_ prefixes.
521 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
522 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
523 move to varpool.c; drop cgraph_ prefix; make static.
524 (dump_cgraph_varpool_node): Move to varpool.c under name
526 (dump_varpool, hash_varpool_node, eq_varpool_node,
527 decide_is_variable_needed): Move to varpool.c
528 (decl_assembler_name_equal): Move to tree.c.
529 (availability_names): Rename to ...
530 (cgraph_availability_names): ... this one.
531 (dump_cgraph_node): Update.
532 * cgraph.h: Reorder declarations now in varpool.c
533 (cgraph_vailablity_names): Declare.
534 (struct cgraph_varpool_node): Rename to ...
535 (struct varpool_node): ... this one.
536 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
537 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
538 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
539 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
540 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
541 cgraph_variable_initializer_availability): Rename to ...
542 (varpool_first_unanalyzed_node, varpool_nodes_queue,
543 varpool_first_unanalyzed_node, varpool_node,
544 varpool_node_for_asm, varpool_mark_needed_node,
545 varpool_finalize_decl, varpool_enqueue_needed_node,
546 varpool_assemble_pending_decls, variable_initializer_availability):
548 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
549 * tree.h (decl_assembler_name_equal): Declare.
550 * omp-low.c (lower_omp_critical): Update.
551 * ipa-reference (analyze_variable, static_execute): Likewise.
552 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
553 * cgraphunit.c: Update comments.
554 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
555 varpool_assembled_nodes_queue.
556 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
557 varpool_analyze_pending_decls.
558 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
559 varpool_remove_unreferenced_decls.
560 (record_reference): Update.
561 (cgraph_create_edges): Update.
562 (record_referneces_in_initializer): New function.
563 (cgraph_varpool_assemble_decl): Move to varpool.c under name
564 varpool_assemble_decl; make global.
565 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
566 varpool_assemble_pending_decls.
567 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
568 struct cgraph_order_sort, cgraph_output_in_order,
569 cgraph_function_and_variable_invisibility, cgraph_optimize,
570 cgraph_increase_alignment): Update.
571 * dwarf2out.c (decls_for_scope): Likewise.
572 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
573 * except.c (output_ttype): Likewise.
574 * varasm.c (mark_decl_referenced): Likewise.
575 (find_decl_and_mark_referenced, assemble_alias): update.
576 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
577 * passes.c (rest_of_decl_compilation): Update.
579 2006-12-11 Ira Rosen <irar@il.ibm.com>
581 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
583 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
584 (vect_setup_realignment): Likewise.
586 2006-12-11 Sa Liu <saliu@de.ibm.com>
587 Ben Elliston <bje@au.ibm.com>
589 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
590 (ENDFILE_SPEC): Likewise.
591 * config/spu/spu.opt (mstdmain): New option.
592 * config/spu/crti.asm: Remove.
593 * config/spu/crtn.asm: Likewise.
594 * config/spu/crt0.c: Likewise.
595 * config/spu/crtend.c: Likewise.
596 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
598 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
599 * doc/invoke.texi (SPU Options): Document -mstdmain.
601 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
603 * doc/loop.texi: Document number_of_latch_executions and
604 number_of_cond_exit_executions.
605 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
606 chrec_is_positive, number_of_iterations_for_all_loops,
607 scev_const_prop): Use number_of_latch_executions.
608 (set_nb_iterations_in_loop): Do not increase the value of the
609 number of iterations.
610 (number_of_iterations_in_loop): Renamed to ...
611 (number_of_latch_executions): ... this.
612 (number_of_exit_cond_executions): New function.
613 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
615 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
616 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
617 number_of_latch_executions.
618 * tree-data-ref.c (get_number_of_iters_for_loop): Use
619 number_of_exit_cond_executions.
620 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
621 * cfgloop.h (struct loop): Improve description of the nb_iterations
624 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
626 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
627 (tree_pointer_compare): Remove.
629 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
631 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
632 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
633 * tree-loop-linear.c (linear_transform_loops): Ditto.
634 * tree-ssa-loop-im.c (determine_lsm): Ditto.
635 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
636 free_numbers_of_iterations_estimates): Ditto.
637 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
638 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
639 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
640 * modulo-sched.c (sms_schedule): Ditto.
641 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
642 tree_unroll_loops_completely): Ditto.
643 * predict.c (predict_loops): Ditto.
644 * tree-if-conv.c (main_tree_if_conversion): Ditto.
645 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
646 decide_unrolling_and_peeling): Ditto.
647 * cfgloopmanip.c (unloop): Use delete_loop.
648 (place_new_loop): Access larray vector instead of parray.
649 (create_preheaders, force_single_succ_latches,
650 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
651 * loop-doloop.c (doloop_optimize_loops): Ditto.
652 * loop-invariant.c (move_loop_invariants): Ditto.
653 * tree-cfg.c (replace_uses_by): Ditto.
654 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
655 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
657 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
659 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
660 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
661 get_loop and get_chrec_loop.
662 (number_of_iterations_for_all_loops): Use number_of_loops.
663 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
664 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
665 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
667 * tree-chrec.c (evolution_function_is_invariant_rec_p,
668 chrec_convert_1): Use get_loop and get_chrec_loop.
669 * loop-init.c (loop_optimizer_init): Use number_of_loops.
670 (loop_optimizer_init): Use FOR_EACH_LOOP.
671 * tree-vectorizer.c (vect_loops_num): Removed.
672 (vectorize_loops): Store number of loops locally. Use
673 FOR_EACH_LOOP and get_loop.
674 * tree-vectorizer.h (vect_loops_num): Removed.
675 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
676 (find_data_references_in_loop): Do not set parallel_p.
677 * tree-data-ref.h: Do not declare VEC(loop_p).
678 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
679 verify_loop_structure): Use FOR_EACH_LOOP.
680 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
681 (initialize_loops_parallel_p): Removed.
682 (flow_loops_find): Push the loops into a vector.
683 (delete_loop): New function.
684 (cancel_loop): Use delete_loop.
685 * cfgloop.h: Declare VEC(loop_p).
686 (struct loop): Remove parallel_p field.
687 (struct loops): Replace num and parray field by larray vector.
688 Remove shared_headers field.
689 (delete_loop): Declare.
690 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
692 * doc/loop.tex: Document new accessor functions.
694 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
696 * common.opt (-ftree-lrs): Remove live range splitting option.
697 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
698 * opts.c (decode_options): Remove flag_tree_live_range_split.
699 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
700 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
701 * tree-outof-ssa.c: Remove header files which aren't needed.
702 (SSANORM_*): Remove flags.
703 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
704 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
705 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
706 (assign_vars): Use Basevar instead of root_var structure.
707 (replace_def_variable): Dont do anything if def is replaceable.
708 (remove_ssa_form): Integrate functional changes.
709 (rewrite_out_of_ssa): Remove live-range_split option.
710 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
711 (coalesce_cost): Calculate the cost of a coalesce.
712 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
713 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
714 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
715 (pop_best_coalesce): Remove the best coalesce from the list.
716 (coalesce_pair_map_hash): Calculate coalesce pair hash.
717 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
718 (create_coalesce_list): Create a coalesce list object.
719 (delete_coalesce_list): Free a coalesce list object.
720 (find_coalesce_pair): Find matching pair in the coalesce list.
721 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
722 (add_coalesce): Add a coalesce to the coalesce list.
723 (compare_pairs): Comparision function to determine pair sorted order.
724 (num_coalesce_pairs): Number of coalesced pairs.
725 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
726 Coalesce pair iterator functions.
727 (sort_coalesce_list): Sort coalesce pairs in order of expense.
728 (dump_coalesce_list): Show coalesce list.
729 (ssa_conflicts_new): Create an SSA conflict graph.
730 (ssa_conflicts_delete): Delete an SSA conflict graph.
731 (ssa_conflicts_test_p): Test for conflicts.
732 (ssa_conflicts_add_one): Add a single conflict.
733 (ssa_conflicts_add): Add a conflict pair.
734 (ssa_conflicts_merge): Merge conflicts.
735 (struct live_track_d): Struct for tracking live partitions.
736 (new_live_track): Create new live_track object.
737 (delete_live_track): Delete a live_track object.
738 (live_track_remove_partition): Remove a partition from the live list.
739 (live_track_add_partition): Add a partition from the live list.
740 (live_track_clear_var): Take VAR from the live list.
741 (live_track_live_p): Is var live?
742 (live_track_process_use): Make var come alive.
743 (live_track_process_def): Make var go dead, add conflicts.
744 (live_track_init): Initialize to a live on exit set.
745 (live_track_clear_base_vars): Clear live partitions.
746 (build_ssa_conflict_graph): Build a conflict graph.
747 (print_exprs): Common debug output routine.
748 (abnormal_corrupt): Output info about a failed coalesce across an
750 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
751 (create_outofssa_var_map): Create a var map and coalesce list.
752 (attempt_coalesce): Coalesce a pair.
753 (coalesce_partitions): Coalesce all pairs in a coalesce list.
754 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
755 * tree-ssa-live.c: Remove header files which aren't needed.
756 (var_map_base_init): New. Initialize a basevar list.
757 (var_map_base_fini): New. Finish a basevar list.
758 (init_var_map): Initialize new fields.
759 (delete_var_map): Free new fields.
760 (var_union): Use renamed fields.
761 (compact_var_map): Remove.
762 (partition_to_view_init): Use renamed fields, change order of an if.
763 (partition_view_fini): Use renamed fields.
764 (partition_view_normal): Create basevar list if requested.
765 (partition_view_bitmap): Create a view based on a bitmap of partitions.
766 (change_partition_var): Use renamed fields.
767 (create_ssa_var_map): Remove.
768 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
769 root_var_init): Remove.
770 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
771 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
772 compare_pairs, num_coalesce_pairs, first_partition_pair,
773 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
774 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
775 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
776 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
777 (dump_var_map): Use renamed fields.
778 * tree-ssa-live.h (struct _var_map): Modify fields.
779 (partition_to_var, version_to_var, var_to_partition): Use renamed
781 (basevar_index): New. Index of the base variable of a partition.
782 (num_basevars): New. Number of unique base variables in partition map.
783 (register_ssa_partition): Use renamed fields.
784 (struct tree_partition_associator_d): Remove.
785 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
786 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
787 root_var, root_var_first_partition, root_var_next_partition,
788 root_var_dump, root_var_delete, root_var_remove_partition,
789 root_var_find, root_var_compact, root_var_decompact): Remove.
790 (struct partition_pair, struct coalesce_list_d): Moved to
792 * tree-ssa-ter.c: Remove header files which aren't needed.
794 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
796 * cse.c: (struct cse_basic_block_data): Remove LAST field.
797 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
799 (cse_visited_basic_blocks): New static bitmap.
800 (cse_end_of_basic_block, cse_basic_block): Remove.
801 (cse_find_path, cse_dump_path, cse_prescan_path,
802 cse_extended_basic_block): New static functions.
803 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
804 basic block boundaries. Don't record jump equivalences here.
805 Update the CFG after doing in-place replacement of the SET_SRC.
806 (cse_main): Rewrite. Look for extended basic block headers
807 and call cse_extended_basic_block on them until all paths that
808 start at this header are exhausted.
809 (rest_of_handle_cse): Verify that the CFG is incrementally updated
810 and correct after cse_main.
811 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
812 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
813 (pass_cse): Add TODO_verify_flow.
814 (pass_cse2): Likewise.
816 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
818 * reload1.c (choose_reload_regs): Don't set byte offset when
819 resolving subregs of hard regs.
821 2006-12-09 Zack Weinberg <zackw@panix.com>
823 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
824 suitable for the language, if set_yydebug is true.
825 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
826 YYDEBUG or declare yydebug.
827 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
829 2006-12-09 Jan Hubicka <jh@suse.cz>
831 * cgraph.c: Update copyright.
833 (cgraph_update_pending_function): Remove prototype.
834 * cgraphunit.c: Update copyright; update overall comment.
835 (cgraph_assemble_pending_functions): Make local.
837 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
839 * haifa-sched.c (schedule_block): Remove excessive sanity check.
841 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
843 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
845 (cpat_const_p, gen_cpat_const): Add.
846 * config/spu/spu.c (immediate_class): New enum.
847 (cpat_info, classify_immediate): New.
848 (print_operand): Use S, D, T instead of F, G, H. Use
849 classify_immediate. Handle cpat cases.
850 (spu_split_immediate): Renamed from spu_split_address. Split all
851 immediates that can be split.
852 (immediate_load_p): Use classify_immediate.
853 (spu_legitimate_constant_p): Accept everything except some cases of
855 (spu_expand_move): Use spu_split_immedate.
856 (fsmbi_const_p): Use classify_immediate.
858 (gen_cpat_const: New.
859 * config/spu/constraints.md (j,k,l): New constraints for cpat
861 * config/spu/spu.md (unnamed splitter): Change address splitter to
862 handle all immediates.
863 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
865 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
868 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
871 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
872 patterns. Correct length of high:DI instruction sequence.
874 2006-12-08 Mike Stump <mrs@apple.com>
876 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
877 libgcc with -mmacosx-version-min=10.4.
878 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
879 G4 for 10.5+ unless doing kernel builds.
881 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
884 * reg-stack.c (convert_regs_entry): Mark current argument passing
887 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
888 of float arguments in x87 registers.
890 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
892 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
894 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
896 * recog.c (mode_dependent_address_p): Identify pre-increment,
897 pre-decrement, post-increment and post-decrement addressing as always
898 being mode-dependent.
899 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
900 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
901 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
902 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
903 PRE_INC and POST_INC checks.
904 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
905 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
906 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
907 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
908 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
909 PRE_INC, POST_DEC and POST_INC cases.
910 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
911 Delete POST_INC and PRE_DEC cases.
912 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
914 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
915 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
917 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
918 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
919 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
920 PRE_INC and PRE_DEC cases.
921 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
922 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
923 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
924 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
925 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
926 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
927 auto-increment cases.
928 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
929 auto-increment cases.
930 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
932 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
934 * Makefile.in: Add new file tree-ssa-ter.c.
935 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
936 free_temp_expr_table, add_value_to_version_list,
937 add_value_to_partition_list, remove_value_from_partition_list,
938 add_dependence, check_replaceable, finish_expr, mark_replaceable,
939 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
940 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
941 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
943 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
944 (struct value_expr_d): Remove.
945 (struct temp_expr_table_d): Rename fields, add explicit vector of
946 replaceable expressions instead of sharing. Change value_expr_p's to
947 bitmap. Delete free_list.
948 (new_temp_expr_table): Rename fields, count number of ssa_names in
950 (free_temp_expr_table): Rename field, free new fields.
951 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
952 add_info_to_list, remove_value_from_list): Delete.
953 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
954 (make_dependent_on_partition): New. Set bit in version list, allocating
956 (add_to_partition_kill_list): New. Set bit in the partition list,
957 allocating a bitmap if need be.
958 (remove_from_partition_kill_list): New. Remove a bit from the
959 partition list, free the bitmap if it is empty.
960 (add_dependence): Use renamed field, cleanup. Don't add a dependence
961 on partitions with only one member.
962 (is_replaceable_p): New. Split out replaceability check from
964 (process_replaceable): New. Code split from check_replaceable.
965 (check_replaceable): Removed.
966 (finished_with_expr): Renamed from finish_expr.
967 (kill_expr): Use renamed fields and less parameters.
968 (kill_virtual_exprs): Less parameters.
969 (mark_replaceable): Use renamed fields.
970 (find_replaceable_in_bb): Use renamed fields, cleanup.
971 (find_replaceable_exprs): Use renamed routines, cleanup.
972 (dump_replaceable_exprs): Don't go past end of ssa_names list.
973 (debug_ter): New. Debug routine to dump state.
975 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
977 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
978 anything involving the GOT.
979 (bfin_adjust_cost): Don't take the REGNO of a MEM.
980 (trapping_loads_p): Look inside the pattern of an insn to find the
982 * config/bfin/bfin.md (attr "type"): Add movcc.
983 (insn_reservation "alu"): Likewise.
984 (movsicc_insn1, movsicc_insn2): Change type to movcc.
986 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
988 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
989 (spu_resolve_overloaded_builtin): Check for non scalar instead
990 of vector type and check the function call argument type also for
992 Call build_function_call instead of spu_build_overload_builtin.
994 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
996 * config/spu/spu.c (array_to_constant): Correct the order of arguments
997 to the calls of hwint_to_const_double.
999 2006-12-07 Nick Clifton <nickc@redhat.com>
1001 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1002 elf_record_gcc_switches.
1004 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1006 * expr.c (string_constant): Account for non-zero lower bound arrays.
1008 2006-12-07 Richard Guenther <rguenther@suse.de>
1010 * builtins.c (expand_builtin_pow): Adjust predicates for
1011 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1014 2006-12-07 Jan Hubicka <jh@suse.cz>
1016 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1019 2006-12-07 Jan Hubicka <jh@suse.cz>
1021 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1022 use fold_constant_to_binary; tolerate wrong type constants.
1023 (value_intersect_p): Do just two tests.
1025 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1027 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1028 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1029 lshifthi3): Use it, and fix the order of alternatives.
1031 2006-12-07 Nick Clifton <nickc@redhat.com>
1033 * common.opt (record-gcc-switches): New command line switch.
1034 * target.h (print_switch_type): New enum.
1035 (print_switch_fn_type): New typedef for a function pointer.
1036 (struct gcc_target): Add record_gcc_switches and
1037 record_gcc_switches_section fields.
1038 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1040 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1042 * toplev.c (print_single_switch): Simplify by providing a
1043 pointer to function that will format and output the switch
1045 (print_switch_values): Likewise.
1046 (print_to_asm_out_file): New function.
1047 (print_to_stderr): New function.
1048 (init_asm_output): If flag_record_gcc_switches is set then if
1049 the target supports recording the switches then emit them into
1050 the assembler output file, otherwise tell the user that the
1051 switch is not supported.
1052 * varasm.c (eld_record_gcc_switches): New function. Example
1053 handler for the record_gcc_switches target hook.
1054 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1056 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1057 * doc/invoke.texi (-frecord-gcc-switches): Document.
1059 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1062 * sched-rgn.c (add_block1): Use correct initializer.
1064 2006-12-07 Richard Guenther <rguenther@suse.de>
1066 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1067 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1069 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1072 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1073 not GIMPLE_MODIFY_STMT.
1075 2006-12-06 Jan Hubicka <jh@suse.cz>
1077 * tree-vrp.c (operand_less_p): New.
1078 (compare_values, value_inside_range): Rewrite in terms of
1081 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1083 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1085 (length_immediate): Do not depend on cld type attribute.
1086 (length_address): Ditto.
1089 (cld): Remove insn pattern.
1090 (strmov_singleop): Do not use DIRFLAG_REG.
1091 (*strmovdi_rex_1): Ditto.
1092 (*strmovsi_1): Ditto.
1093 (*strmovsi_rex_1): Ditto.
1094 (*strmovhi_1): Ditto.
1095 (*strmovhi_rex_1): Ditto.
1096 (*strmovqi_1): Ditto.
1097 (*strmovqi_rex_1): Ditto.
1099 (*rep_movdi_rex64): Ditto.
1100 (*rep_movsi): Ditto.
1101 (*rep_movsi_rex64): Ditto.
1102 (*rep_movqi): Ditto.
1103 (*rep_movqi_rex64): Ditto.
1104 (strset_singleop): Ditto.
1105 (*strsetdi_rex_1): Ditto.
1106 (*strsetsi_1): Ditto.
1107 (*strsetsi_rex_1): Ditto.
1108 (*strsethi_1): Ditto.
1109 (*strsethi_rex_1): Ditto.
1110 (*strsetqi_1): Ditto.
1111 (*strsetqi_rex_1): Ditto.
1113 (*rep_stosdi_rex64): Ditto.
1114 (*rep_stossi): Ditto.
1115 (*rep_stossi_rex64): Ditto.
1116 (*rep_stosqi): Ditto.
1117 (*rep_stosqi_rex64): Ditto.
1118 (cmpstrnsi): Do not generate cld insn.
1119 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1120 (*cmpstrnqi_nz_1): Ditto.
1121 (*cmpstrnqi_nz_rex_1): Ditto.
1122 (cmpstrnqi_1): Ditto.
1123 (*cmpstrnqi_1): Ditto.
1124 (*cmpstrnqi_rex_1): Ditto.
1125 (strlenqi_1): Ditto.
1126 (*strlenqi_1): Ditto.
1127 (*strlenqi_rex_1): Ditto.
1129 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1130 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1131 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1133 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1134 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1136 (k6_alux_only_load): Ditto.
1137 (k6_alux_only_store): Ditto.
1139 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1140 Do not emit cld instruction.
1141 (ix86_expand_setmem): Ditto.
1142 (ix86_expand_strlen): Do not emit cld instruction.
1144 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1146 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1149 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1151 * gdbinit.in: Set complaints to 0.
1153 2006-12-06 Jan Hubicka <jh@suse.cz>
1155 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1156 ALONE_MEM_STAT_DECL): New macros.
1157 * bitmap.h: Include statistics.h
1158 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1159 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1160 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1161 * bitmap.c: Include hashtab.h
1162 (bitmap_descriptor): New.
1163 (bitmap_hash): New static variable
1164 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1165 New static functions.
1166 (bitmap_register): New.
1167 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1168 bitmap_obstack_release): Do accounting.
1169 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1171 (bitmap_gc_alloc_stat): Likewise.
1172 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1173 (print_statistics, dump_bitmap_statistics): New functions.
1174 * toplev.c (finalize): Dump bitmap statistics.
1176 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1178 * reload1.c (delete_output_reload): Count occurrences in
1179 CALL_INSN_FUNCTION_USAGE.
1180 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1181 crashing at the end of the list.
1183 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1185 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1186 Optimize to avoid marking more SMT's as used when they aren't.
1188 2006-12-05 Eric Christopher <echristo@apple.com>
1190 * config/i386/i386.c (x86_output_aligned_bss): Move out
1191 of COMMON_ASM_OP ifdef.
1193 2006-12-05 Eric Christopher <echristo@apple.com>
1195 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1196 (STARTFILE_SPEC): Use.
1197 (DARWIN_DYLIB1_SPEC): New.
1198 (DARWIN_CRT1_SPEC): New.
1199 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1201 * config/i386/darwin.h: Ditto.
1202 * config/rs6000/darwin.h: Ditto.
1204 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1206 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1207 * tree-complex.c (pass_lower_complex): Ditto.
1208 * tree-ssa-ccp.c (pass_ccp): Ditto.
1209 (pass_store_ccp): Ditto.
1210 * tree-ssa-dom.c (pass_dominator): Ditto.
1211 (pass_phi_only_cprop): Ditto.
1212 * tree-sra.c (pass_sra): Ditto.
1213 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1214 * tree-flow.h (updating_used_alone): Remove.
1215 (updating_used_alone): Ditto.
1216 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1217 (lhs_may_store_to): Remove function.
1218 (recalculate_used_alone): Ditto.
1219 (compute_may_aliases): Remove used_alone calculation.
1220 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1221 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1222 * tree-pass.h (PROP_smt_usage): Remove.
1223 * passes.c (execute_todo): Remove used alone recalculation.
1224 (execute_one_pass): Ditto.
1225 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1228 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1230 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1232 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1234 PR tree-optimization/14784
1235 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1237 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1239 Merge from gimple-tuples-branch.
1241 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1243 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1245 (s390_gimplify_va_arg): Same.
1246 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1247 * config/sh/sh.c (sh_va_start): Same.
1248 (sh_gimplify_va_arg_expr): Same.
1249 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1250 (xtensa_gimplify_va_arg_expr): Same.
1251 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1252 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1253 * config/mips/mips.c (mips_va_start): Same.
1254 (mips_gimplify_va_arg_expr): Same.
1256 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1258 * Merge from mainline at revision 119445.
1260 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1262 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1264 (spu_gimplify_va_arg_expr): Same.
1266 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1268 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1269 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1270 (xstormy16_expand_builtin_va_arg): Same.
1272 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1274 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1275 to GIMPLE_MODIFY_STMT.
1277 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1279 * config/alpha/alpha.c (va_list_skip_additions): Change all
1280 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1281 (alpha_va_start): Same.
1282 (alpha_gimplify_va_arg_1): Same.
1283 (alpha_gimplify_va_arg): Same.
1285 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1287 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1289 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1291 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1292 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1294 * tree-complex.c: Same.
1295 * tree-pretty-print.c: Same.
1299 * fold-const.c: Same.
1300 * tree-ssa-dom.c: Same.
1301 * tree-ssa-propagate.c: Same.
1302 * tree-ssa-alias.c: Same.
1303 * gimple-low.c: Same.
1304 * dwarf2out.c: Same.
1305 * c-pretty-print.c: Same.
1307 * tree-inline.c: Same.
1308 * tree-outof-ssa.c: Same.
1309 * tree-ssa-structalias.c: Same.
1310 * tree-ssa-reassoc.c: Same.
1313 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1315 * tree.c (build2_stat): Fix comment.
1317 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1319 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1320 TREE_OPERAND when appropriate.
1322 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1324 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1325 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1326 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1327 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1328 not handle GIMPLE_MODIFY_STMT in the switch statement.
1329 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1330 (java_gimplify_new_array_init): Same.
1332 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1334 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1335 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1336 * fold-const.c (fold_binary): Allow gimple statements.
1338 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1339 Rename from gfc_conv_descriptor_data_set.
1340 Call gfc_add_modify instead of gfc_add_modify_expr.
1341 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1342 Rename from gfc_conv_descriptor_data_set.
1343 (gfc_conv_descriptor_data_set): New macro.
1344 (gfc_conv_descriptor_data_set_tuples): New macros.
1345 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1346 gfc_conv_descriptor_data_set_tuples.
1347 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1348 Generate GIMPLE_MODIFY_STMT when appropriate.
1349 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1350 (gfc_add_modify_expr): New macro.
1351 (gfc_add_modify_stmt): New macro.
1352 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1354 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1356 * Merge from mainline at revision 118200.
1358 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1360 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1363 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1365 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1367 Also, add __extension__ to GCC versions.
1368 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1369 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1372 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1374 * tree-complex.c (expand_complex_libcall): Adjust for
1376 (expand_complex_comparison): Same.
1377 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1378 GIMPLE_STMT_P statements.
1379 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1381 (tree_mod_pow2_value_transform): Same.
1382 (tree_mod_subtract_transform): Same.
1383 * tree.c (build2_stat): Check for gimplified function in cfun.
1384 * tree.h (DECL_GIMPLIFIED): Delete.
1385 (struct tree_function_decl): Remove gimplified_flag.
1386 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1387 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1388 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1389 (cxx_omp_clause_copy_ctor): Same.
1390 (cxx_omp_clause_assign_op): Same.
1391 * c-pretty-print.c (pp_c_conditional_expression): Same.
1392 (pp_c_expression): Same.
1393 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1394 * function.h (struct function): Add gimplified field.
1395 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1397 (find_phi_replacement_condition): Same.
1398 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1399 (gimplify_modify_expr_to_memset): Same.
1400 (gimplify_init_ctor_eval_range): Same.
1401 (gimplify_modify_expr_complex_part): Same.
1402 (tree_to_gimple_tuple): Same.
1403 (gimplify_modify_expr): Same.
1404 (gimple_push_cleanup): Same.
1405 (gimplify_omp_for): Same.
1406 (gimplify_omp_atomic_pipeline): Same.
1407 (gimplify_omp_atomic_mutex): Same.
1408 (gimplify_expr): Same.
1409 (gimplify_one_sizepos): Same.
1410 (gimplify_function_tree): Same.
1411 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1412 (vect_recog_widen_sum_pattern): Same.
1413 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1414 (vect_create_epilog_for_reduction): Same.
1415 (vectorizable_reduction): Same.
1417 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1419 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1420 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1421 (ifc_temp_var): Same.
1422 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1423 for gimple statements.
1424 (vect_analyze_operations): Same.
1425 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1426 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1427 * lambda-code.c (can_put_in_inner_loop): Same.
1428 (can_put_after_inner_loop): Same.
1429 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1430 (vect_create_data_ref_ptr): Same.
1431 (vect_init_vector): Same.
1432 (vect_get_vec_def_for_operand): Same.
1433 (vect_create_epilog_for_reduction): Same.
1434 (vectorizable_reduction): Same.
1435 (vectorizable_assignment): Same.
1436 (vectorizable_operation): Same.
1437 (vectorizable_load): Same.
1438 (vectorizable_condition): Same.
1439 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1440 (rs6000_gimplify_va_arg): Same.
1442 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1444 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1445 GIMPLE_STMT_OPERAND.
1446 (simplify_abs_using_ranges): Same.
1447 * tree-complex.c (expand_complex_operations_1): Use
1448 PROTECTED_TREE_OPERAND.
1449 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1451 (get_val_for): Use GIMPLE_STMT_OPERAND.
1452 * tree-tailcall.c (adjust_accumulator_values): Same.
1453 (adjust_return_value): Same.
1454 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1455 case. Remove special case for tcc_gimple_stmt.
1456 * tree.h (CAN_HAVE_LOCATION_P): New.
1457 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1459 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1460 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1461 * tree-nrv.c (execute_return_slot_opt): Same.
1462 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1463 * tree-vn.c (set_value_handle): Same.
1464 (get_value_handle): Same.
1465 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1466 * tree-vectorizer.c (find_loop_location): Same.
1467 * c-typeck.c (c_process_expr_stmt): Same.
1468 (c_finish_stmt_expr): Same.
1469 * gimplify.c (should_carry_locus_p): Same.
1470 (tree_to_gimple_tuple): Delete definition and use of unecessary
1471 variable save_tree_block.
1472 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1473 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1474 (realify_fake_stores): Same.
1475 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1477 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1478 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1479 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1480 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1481 (c_parser_statement_after_labels): Same.
1482 (c_parser_paren_condition): Same.
1483 (c_parser_for_statement): Same.
1484 (c_parser_omp_for_loop): Same.
1485 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1486 (linearize_expr_tree): Same.
1487 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1488 * function.c (instantiate_expr): Same.
1490 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1492 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1493 (set_expr_location): Same.
1495 (set_expr_locus): Same.
1496 (expr_filename): Same.
1497 (expr_lineno): Same.
1498 (tree_block): Use GIMPLE_STMT_BLOCK.
1499 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1500 * tree.h (struct gimple_stmt): Remove prev and next.
1501 (GIMPLE_STMT_OPERAND_CHECK): New.
1502 (TREE_TO_GIMPLE_STMT): Delete.
1503 (GIMPLE_STMT_TO_TREE): Delete.
1504 (GIMPLE_STMT_OPERAND): Use union, not cast.
1505 (GIMPLE_STMT_LOCUS): New.
1506 (GIMPLE_STMT_BLOCK): New.
1507 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1509 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1511 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1513 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1515 * tree-tailcall.c (adjust_return_value): Same.
1516 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1517 (copy_node_stat): Change common.base to base.
1518 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1519 Remove GIMPLE_STATEMENT_LIST case.
1520 * tree.h (struct gimple_stmt): Make operands of type tree.
1521 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1522 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1523 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1524 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1525 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1526 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1527 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1528 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1529 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1530 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1531 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1532 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1533 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1534 Change common.base to base.
1535 (GIMPLE_STATEMENT_LIST*): Remove.
1536 (union tree_node): Add base. Remove gimple_statement_list.
1537 Remove pointer from gstmt.
1538 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1539 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1540 * tree-vn.c (vn_compute): Change common.base to base.
1541 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1542 * tree-flow-inline.h (var_ann): Same.
1543 (function_ann): Same.
1545 (mark_non_addressable): Same.
1546 * gimplify.c (tree_to_gimple_tuple): Same.
1547 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1548 * tree-dfa.c (create_var_ann): Change common.base to base.
1549 (create_function_ann): Same.
1550 (create_stmt_ann): Same.
1551 (create_tree_ann): Same.
1552 (collect_dfa_stats_r): Same.
1553 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1554 * tree-ssa-dce.c (NECESSARY): Same.
1555 * tree-ssa.c (delete_tree_ssa): Same.
1556 * tree-optimize.c (execute_free_cfg_annotations): Same.
1557 * tree-flow.h: Same.
1559 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1561 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1562 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1564 * tree.h (struct gimple_stmt): Add prev and next fields.
1565 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1566 (GIMPLE_STATEMENT_LIST_HEAD): New.
1567 (GIMPLE_STATEMENT_LIST_TAIL): New.
1568 (struct gimple_statement_list): New.
1569 (union tree_node): Add gimple_stmt_list and gstmt.
1570 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1571 * tree.def: Add GIMPLE_STATEMENT_LIST.
1573 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1575 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1576 * tree-vrp.c (build_assert_expr_for): Change uses of
1577 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1578 (find_assert_locations): Same.
1579 (remove_range_assertions): Same.
1580 (stmt_interesting_for_vrp): Same.
1581 (vrp_visit_assignment): Same.
1582 (vrp_visit_stmt): Same.
1583 (simplify_cond_using_ranges): Same.
1584 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1586 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1587 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1589 (determine_invariantness_stmt): Same.
1590 (schedule_sm): Same.
1591 (gather_mem_refs_stmt): Same.
1592 * tree-complex.c (init_dont_simulate_again): Same.
1593 (complex_visit_stmt): Same.
1594 (set_component_ssa_name): Same.
1595 (expand_complex_move): Same.
1596 (expand_complex_div_wide): Same.
1597 (expand_complex_comparison): Same.
1598 (expand_complex_operations_1): Same.
1599 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1600 (chain_of_csts_start): Same.
1601 (infer_loop_bounds_from_undefined): Same.
1602 * tree-pretty-print.c (dump_generic_node): Same.
1604 (op_symbol_1): Same.
1605 * tree-ssa-loop-manip.c (create_iv): Same.
1606 * value-prof.c (tree_divmod_fixed_value): Same.
1607 (tree_divmod_fixed_value_transform): Same.
1608 (tree_mod_pow2): Same.
1609 (tree_mod_pow2_value_transform): Same.
1610 (tree_mod_subtract): Same.
1611 (tree_mod_subtract_transform): Same.
1612 (tree_divmod_values_to_profile): Same.
1613 * tree-tailcall.c (process_assignment): Same.
1614 (find_tail_calls): Same.
1615 (adjust_accumulator_values): Same.
1616 (adjust_return_value): Same.
1617 (eliminate_tail_call): Same.
1618 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1619 (make_node_stat): Same.
1620 (copy_node_stat): Handle gimple tuples.
1621 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1622 (tree_node_structure): Handle tcc_gimple_stmt.
1623 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1625 (build2_gimple_stat): New.
1626 (expr_location): New.
1627 (set_expr_location): New.
1628 (expr_has_location): New.
1630 (set_expr_locus): New.
1631 (expr_filename): New.
1633 (walk_tree): Handle tcc_gimple_stmt.
1635 (protected_tree_operand): New.
1636 (protected_tree_type): New.
1637 (tree_code_kind): Add gimple statements.
1638 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1639 (IS_GIMPLE_STMT_CODE_CLASS): New.
1640 (struct tree_base): New.
1641 (struct tree_common): Shrink.
1642 (struct gimple_stmt): New.
1643 (struct gimple_expr): New.
1644 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1645 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1646 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1647 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1648 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1649 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1650 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1651 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1652 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1653 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1654 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1655 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1656 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1657 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1658 Adjust for new `common' layout.
1659 (struct tree_function_decl): Add gimplified_flag.
1660 (DECL_GIMPLIFIED): NEW.
1661 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1662 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1663 EXPR_HAS_LOCATION): Call corresponding function.
1664 (GIMPLE_STMT_CHECK): New.
1665 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1666 (TREE_BLOCK): Call tree_block.
1667 (GIMPLE_STMT_P): New.
1668 (GIMPLE_TUPLE_P): New.
1669 (TREE_TO_GIMPLE_STMT): New.
1670 (GIMPLE_STMT_TO_TREE): New.
1671 (GIMPLE_STMT_OPERAND): New.
1672 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1673 (PROTECTED_TREE_OPERAND): New.
1674 (PROTECTED_TREE_TYPE): New.
1675 (build2_gimple_stat): Protoize.
1676 (build2_gimple): New.
1677 (expr_location): Protoize.
1678 (set_expr_location): Protoize.
1679 (expr_has_location): Protoize.
1680 (expr_locus): Protoize.
1681 (set_expr_locus): Protoize.
1682 (expr_filename): Protoize.
1683 (expr_lineno): Protoize.
1684 (tree_block): Protoize.
1685 (protected_tree_operand): Protoize.
1686 (protected_tree_type): Protoize.
1687 (enum tree_node_kind): Add gimple_stmt_kind.
1688 * c-decl.c (union lang_tree_node): Tuples do not have a
1690 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1691 GIMPLE_MODIFY_STMT and adjust accordingly.
1692 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1693 (interpret_condition_phi): Same.
1694 (pointer_used_p): Same.
1695 (analyze_scalar_evolution_1): Same.
1696 (scev_const_prop): Same.
1697 (interpret_rhs_modify_stmt): Rename from
1698 interpret_rhs_modify_expr.
1699 * builtins.c (std_expand_builtin_va_start): Change uses of
1700 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1701 (std_gimplify_va_arg_expr): Same.
1702 (expand_builtin_va_copy): Same.
1703 (integer_valued_real_p): Same.
1704 * fold-const.c (maybe_lvalue_p): Same.
1706 (tree_expr_nonnegative_p): Same.
1707 (tree_expr_nonzero_p): Same.
1708 * omp-low.c (extract_omp_for_data): Same.
1709 (lower_rec_input_clauses): Same.
1710 (lower_reduction_clauses): Same.
1711 (lower_copyprivate_clauses): Same.
1712 (lower_send_clauses): Same.
1713 (lower_send_shared_vars): Same.
1714 (expand_parallel_call): Same.
1715 (expand_omp_parallel): Same.
1716 (expand_omp_for_generic): Same.
1717 (expand_omp_for_static_nochunk): Same.
1718 (expand_omp_for_static_chunk): Same.
1719 (expand_omp_sections): Same.
1720 (lower_omp_single_copy): Same.
1721 (lower_omp_parallel): Same.
1722 * tree-ssa-dse.c (memory_address_same): Same.
1723 (dse_optimize_stmt): Same.
1724 * ipa-reference.c (scan_for_static_refs): Same.
1725 * tree-gimple.c (is_gimple_reg_rhs): Same.
1726 (get_call_expr_in): Same.
1727 (recalculate_side_effects): Same.
1728 * cgraphunit.c (cgraph_create_edges): Same.
1729 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1730 * tree-ssa-ccp.c (get_default_value): Same.
1731 (likely_value): Same.
1732 (visit_assignment): Same.
1733 (ccp_visit_stmt): Same.
1734 (get_maxval_strlen): Same.
1735 (ccp_fold_builtin): Same.
1736 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1737 (find_givs_in_stmt): Same.
1738 (find_interesting_uses_op): Same.
1739 (find_interesting_uses_stmt): Same.
1740 (rewrite_use_nonlinear_expr): Same.
1741 * ipa-pure-const.c (scan_function): Same.
1742 * tree-stdarg.c (va_list_counter_bump): Same.
1743 (check_all_va_list_escapes): Same.
1744 (execute_optimize_stdarg): Same.
1745 * tree-ssa-math-opts.c (compute_merit): Same.
1746 (insert_reciprocals): Same.
1747 (execute_cse_reciprocals): Same.
1748 * tree-ssa-dom.c (initialize_hash_element): Same.
1749 (simple_iv_increment_p): Same.
1750 (record_equivalences_from_stmt): Same.
1751 (optimize_stmt): Same.
1752 (remove_stmt_or_phi): Same.
1753 (get_rhs_or_phi_arg): Same.
1754 (get_lhs_or_phi_result): Same.
1755 (propagate_rhs_into_lhs): Same.
1756 * tree-nrv.c (tree_nrv): Same.
1757 (execute_return_slot_opt): Same.
1758 * tree-ssa-propagate.c (get_rhs): Same.
1760 (stmt_makes_single_load): Same.
1761 (stmt_makes_single_store): Same.
1762 (replace_vuses_in): Same.
1763 (fold_predicate_in): Same.
1764 (substitute_and_fold): Same.
1765 * tree-ssa-alias.c (compute_call_clobbered): Same.
1766 (recalculate_used_alone): Same.
1767 (count_uses_and_derefs): Same.
1768 (is_escape_site): Same.
1769 (find_used_portions): Same.
1770 * gimple-low.c (lower_stmt): Same.
1771 (block_may_fallthru): Same.
1772 (lower_return_expr): Same.
1773 * tree-ssa-sink.c (is_hidden_global_store): Same.
1774 (statement_sink_location): Same.
1775 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1776 * expr.c (safe_from_p): Same.
1777 (expand_expr_real): Same.
1778 (expand_expr_real_1): Same.
1779 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1780 * predict.c (expr_expected_value): Same.
1781 (strip_builtin_expect): Same.
1782 (apply_return_prediction): Same.
1783 (tree_bb_level_predictions): Same.
1784 (tree_estimate_probability): Same.
1785 * tree-vn.c (vn_compute): Same.
1786 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1787 (remove_stmt_from_eh_region_fn): Same.
1788 (do_return_redirection): Same.
1789 (honor_protect_cleanup_actions): Same.
1790 (lower_try_finally_switch): Same.
1791 (lower_eh_constructs_1): Same.
1792 (tree_could_throw_p): Same.
1793 (verify_eh_throw_stmt_node): Same.
1794 * function.c (gimplify_parameters): Same.
1795 * tree-vectorizer.c (vect_is_simple_use): Same.
1796 (vect_is_simple_reduction): Same.
1797 * ipa-type-escape.c (scan_for_refs): Same.
1798 * tree-if-conv.c (tree_if_conversion): Same.
1799 (tree_if_convert_stmt): Same.
1800 (if_convertible_gimplify_modify_stmt_p): Rename from
1801 if_convertible_modify_expr_p.
1802 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1803 (ifc_temp_var): Same.
1804 (replace_phi_with_cond_modify_stmt): Rename from
1805 replace_phi_with_cond_modify_expr.
1806 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1807 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1808 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1810 * tree-flow-inline.h (var_ann): Same.
1811 (function_ann): Same.
1813 (mark_non_addressable): Same.
1814 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1815 * gimplify.c (tree_to_gimple_tuple): New.
1816 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1817 (gimplify_return_expr): Same.
1818 (gimplify_decl_expr): Same.
1819 (gimplify_self_mod_expr): Same.
1820 (gimplify_cond_expr): Same.
1821 (gimplify_init_constructor): Same.
1822 (gimplify_modify_expr): Same.
1823 (gimplify_expr): Same.
1824 (gimplify_function_tree): Same.
1825 (force_gimple_operand): Same.
1826 * tree-ssa-phiopt.c (conditional_replacement): Same.
1827 (minmax_replacement): Same.
1828 (abs_replacement): Same.
1829 * tree-dfa.c (create_var_ann): Same.
1830 (create_function_ann): Same.
1831 (create_stmt_ann): Same.
1832 (create_tree_ann): Same.
1833 (collect_dfa_stats_r): Same.
1834 * tree-ssa-pre.c (find_or_generate_expression): Same.
1835 (create_expression_by_pieces): Same.
1836 (try_look_through_load): Same.
1837 (insert_fake_stores): Same.
1838 (realify_fake_stores): Same.
1839 (compute_avail): Same.
1842 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1843 Adjust for GIMPLE_MODIFY_STMT.
1844 (NECESSARY): Adjust for new `common' layout.
1845 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1847 * tree-sra.c (sra_walk_modify_stmt): Rename from
1848 sra_walk_modify_expr.
1849 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1850 (generate_copy_inout): Same.
1851 (generate_element_copy): Same.
1852 (generate_element_zero): Same.
1853 (scalarize_copy): Same.
1854 * tree-mudflap.c (mf_decl_cache_locals): Same.
1855 (mf_build_check_statement_for): Same.
1856 (mf_xform_derefs): Same.
1857 * ipa-prop.c (ipa_method_modify_stmt): Same.
1858 * print-tree.c (print_node): Handle gimple tuples.
1859 Add case for tcc_gimple_stmt.
1860 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1862 (copy_prop_visit_assignment): Same.
1863 (copy_prop_visit_stmt): Same.
1864 (init_copy_prop): Same.
1865 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1866 (forward_propagate_into_cond_1): Same.
1867 (find_equivalent_equality_comparison): Same.
1868 (tidy_after_forward_propagate_addr): Same.
1869 (forward_propagate_addr_expr_1): Same.
1870 (simplify_not_neg_expr): Same.
1871 (simplify_switch_expr): Same.
1872 * tree-ssa-dce.c (find_pdom): Same.
1873 (mark_stmt_if_obviously_necessary): Same.
1874 (NECESSARY): Adjust for new `common' layout.
1875 * tree-flow.h: Same.
1876 * tree-vect-patterns.c (widened_name_p): Adjust for
1878 (vect_recog_dot_prod_pattern): Same.
1879 (vect_recog_widen_sum_pattern): Same.
1880 (vect_pattern_recog_1): Same.
1881 * tree-nested.c (init_tmp_var): Same.
1882 (save_tmp_var): Same.
1884 (convert_call_expr): Same.
1885 (finalize_nesting_tree_1): Same.
1886 * tree-ssa.c (verify_ssa): Same.
1887 (delete_tree_ssa): Same.
1888 * lambda-code.c (lbv_to_gcc_expression): Same.
1889 (lle_to_gcc_expression): Same.
1890 (lambda_loopnest_to_gcc_loopnest): Same.
1891 (can_put_in_inner_loop): Same.
1892 (can_convert_to_perfect_nest): Same.
1893 (perfect_nestify): Same.
1894 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1895 * tree-inline.c (copy_body_r): Same.
1896 (setup_one_parameter): Same.
1897 (initialize_inlined_parameters): Same.
1898 (estimate_num_insns_1): Same.
1899 (expand_call_inline): Same.
1900 (gimple_expand_calls_inline): Same.
1901 (copy_tree_r): Same.
1902 * tree-optimize.c (execute_free_cfg_annotations): Same.
1903 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1904 (vect_align_data_ref): Same.
1905 (vect_create_data_ref_ptr): Same.
1906 (vect_init_vector): Same.
1907 (vect_create_epilog_for_reduction): Same.
1908 (vectorizable_reduction): Same.
1909 (vectorizable_assignment): Same.
1910 (vectorizable_operation): Same.
1911 (vectorizable_store): Same.
1912 (vectorizable_load): Same.
1913 (vectorizable_live_operation): Same.
1914 (vectorizable_condition): Same.
1915 (vect_generate_tmps_on_preheader): Same.
1916 (vect_create_cond_for_align_checks): Same.
1917 * tree-object-size.c (collect_object_sizes_for): Same.
1918 (check_for_plus_in_loops_1): Same.
1919 (check_for_plus_in_loops): Same.
1920 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1921 (replace_use_variable): Same.
1922 (check_replaceable): Same.
1923 (rewrite_trees): Same.
1924 (identical_copies_p): Same.
1925 (insert_backedge_copies): Same.
1926 * tree-profile.c (tree_gen_edge_profiler): Same.
1927 * tree-vect-generic.c (expand_vector_operations_1): Same.
1928 * tree-ssa-structalias.c (update_alias_info): Same.
1929 (find_func_aliases): Same.
1930 * tree-cfg.c (factor_computed_gotos): Same.
1932 (make_goto_expr_edges): Same.
1933 (tree_merge_blocks): Same.
1934 (remove_useless_stmts_cond): Same.
1935 (remove_useless_stmts_1): Same.
1936 (tree_find_edge_insert_loc): Same.
1937 (verify_expr): Same.
1938 (gimplify_val): Same.
1939 (verify_gimple_tuples_1): New.
1940 (verify_gimple_tuples): New.
1941 (verify_stmts): Call verify_gimple_tuples.
1942 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1943 (get_unary_op): Same.
1944 (linearize_expr): Same.
1945 (get_single_immediate_use): Same.
1946 (negate_value): Same.
1947 (should_break_up_subtract): Same.
1948 (break_up_subtract): Same.
1949 (repropagate_negates): Same.
1950 (break_up_subtract_bb): Same.
1951 (reassociate_bb): Same.
1952 * config/i386/i386.c (ix86_va_start): Same.
1953 (ix86_gimplify_va_arg): Same.
1954 * stmt.c (expand_expr_stmt): Same.
1955 (warn_if_unused_value): Same.
1956 (expand_return): Same.
1957 * tree-ssanames.c (make_ssa_name): Same.
1958 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1959 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1960 (add_virtual_operand): Same.
1961 (get_expr_operands): Same.
1962 (parse_ssa_operands): Same.
1963 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1965 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1967 * config.host: Remove extra blank line.
1969 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1971 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1972 target is also an x86 variant.
1974 2006-12-05 Richard Guenther <rguenther@suse.de>
1976 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1977 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1978 (ix86_builtin_vectorized_function): New function to vectorize
1981 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1983 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1984 ia64_override_options.
1986 2006-12-04 Jan Hubicka <jh@suse.cz>
1988 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1991 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1993 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1994 * config/bfin/bfin.c: Include "timevar.h".
1995 (bfin_flag_schedule_insns2, splitting_for_sched,
1996 bfin_flag_var_tracking): New variables.
1997 (print_operand): Handle '%!'.
1998 (override_options): Disable normal sched2 pass, instead set
1999 bfin_flag_schedule_insns2 for reorg to handle it.
2000 (output_file_start): Likewise for var-tracking.
2001 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2002 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2004 (bfin_reorg): Do second scheduling pass here, and call
2005 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2006 of examining insns directly. If bfin_flag_var_tracking, call
2007 var-tracking pass when done with everything else.
2008 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2009 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2010 (movsi_insn32): New pattern, with two new splits to create it
2011 before the final scheduling pass.
2012 (neghi2): Not a dsp32 insn, rather alu0.
2013 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2014 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2015 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2016 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2017 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2018 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2019 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2020 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2021 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2022 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2023 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2024 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2025 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2026 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2027 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2028 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2029 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2030 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2031 variants instead of ';'.
2032 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2033 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2034 (align8, align16, align24): Now named patterns; also using '%!'.
2037 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2039 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2040 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2042 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2044 * config/spu/spu-protos.c (spu_split_address): Add.
2045 * config/spu/spu.c (spu_split_address): Add.
2046 (print_operand): Handle HIGH.
2047 (spu_legitimate_address): Don't test for aligned CONST.
2048 (spu_expand_mov): Don't split addresses here.
2049 * config/spu/constraints.md (A): Don't test legitimate_const.
2050 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2051 (ceq_di): Use correct predicates.
2053 2006-12-04 Eric Christopher <echristo@apple.com>
2055 * config/darwin.h: Update copyright notice.
2056 * config/i386/darwin.h: Ditto.
2058 2006-12-04 Jan Hubicka <jh@suse.cz>
2060 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2061 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2063 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2065 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2067 * tree-ssa-structalias.c (set_used_smts): Export.
2068 (find_what_p_points_to): Don't call set_used_smts here.
2069 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2071 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2073 * tree-ssa-alias.c (compute_may_aliases):
2074 Compute flow sensitive before flow insensitive.
2075 (compute_flow_sensitive_aliasing): Don't try to add
2076 a symbol memory tag to itself.
2078 * alias.h (alias_set_subset_of): New prototype.
2080 * alias.c (alias_set_subset_of): New function.
2082 * tree-ssa-structalias.c: Update comments.
2083 (struct variable_info): Add finished_solution.
2084 (new_varinfo): Set finished solution to NULL.
2085 (var_escaped_vars): Remove.
2086 (escaped_vars_tree): Remove.
2087 (escaped_vars_id): Remove.
2088 (nonlocal_vars_id): Remove.
2089 (constraint_expr_type): Add INCLUDES.
2090 (graph_size): Removed.
2091 (dump_constraint): Support INCLUDES.
2092 (build_constraint_graph): Ditto.
2093 (collapse_nodes): Add merge_solutions argument.
2094 Don't merge attributes.
2095 (process_unification_queue): Just use collapse_nodes.
2096 (perform_var_substitution): Update call to collapse_nodes.
2097 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2098 (process_constraint): Fix non-field sensitive handling
2100 (get_constraint_for): Use INCLUDES.
2101 (make_constraint_from_anything): Renamed from
2102 make_constraint_from_escaped.
2103 (make_constraint_to_escaped): Removed.
2104 (find_global_initializers): Removed.
2105 (create_variable_info_for): Do not make constraints to escaped
2107 (dump_solution_for_var): Don't print out the equivalent points-to
2108 sets, just use the name of the variable it shares it with.
2109 (intra_create_variable_infos): Use INCLUDES.
2110 Change nonlocal variable sets to anything sets.
2111 (init_base_vars): Remove escaped_vars and nonlocal_var
2113 (find_escape_constraints): Removed.
2114 (delete_points_to_sets): Remove dead code.
2115 (used_smt_calculated): New variable.
2116 (set_used_smts): New function.
2117 (merge_smts_into): New function.
2118 (find_what_p_points_to): Modify to use SMTs.
2119 (create_nonlocal_var): Remove.
2121 * tree-ssa-operands.c (access_can_touch_variable): Remove
2122 reference to nonlocal_all.
2124 * tree-ssa.c (verify_name_tags): Remove.
2126 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2128 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2129 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2131 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2133 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2134 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2135 (add_livein_if_notdef): Delete.
2136 (loe_visit_block): New. Propogate live on entry info for a block into
2137 each predecessor. If it changes, make sure it is visited again.
2138 (live_worklist): Visit every block and update the live on entry info
2139 for preds. Iterate over any that changed.
2140 (set_var_live_on_entry): Populate the live on entry blocks with bits
2141 based on the immediate uses of a var.
2142 (calculate_live_on_entry): Remove.
2143 (calculate_live_on_exit): Calculate live on exit based on the newly
2144 oriented live on entry bits.
2145 (calculate_live_ranges): Build live on entry and exit vectors.
2146 (dump_live_info): Use new orientation of live on entry bitmaps.
2147 (verify_live_on_entry): New. Split out verification code from old
2148 calculate_live_on_entry routine.
2149 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2150 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2151 basic_block instead of for a partition.
2152 (live_merge_and_clear): Add asserts.
2153 (make_live_on_entry): Set partition bit in basic block vector.
2155 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2158 * omp-low.c (expand_omp_for_static_nochunk,
2159 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2163 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2164 parallels if region->exit or region->inner->exit is NULL.
2165 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2167 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2168 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2169 or region->exit is NULL.
2170 (expand_omp_sections): Handle NULL region->cond or region->exit.
2173 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2175 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2176 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2178 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2180 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2181 TYPE_MAX_VALUE for scalar types here but...
2182 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2183 is attached an error mark, and the return value of the callback
2184 if it is not NULL_TREE.
2186 2006-12-04 Ben Elliston <bje@au.ibm.com>
2188 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2190 2006-12-03 Eric Christopher <echristo@apple.com>
2193 * config/t-slibgcc-darwin: Pass -install_name.
2194 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2195 libtool. Only pass through options that the linker recognizes.
2196 (LINK_SPEC): Update comment. Translate options.
2197 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2198 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2200 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2202 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2204 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2207 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2208 operands[1] in insn constraint. Correct type attribute to sselog1.
2210 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2213 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2215 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2216 processor detection.
2218 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2219 -march=native if there is no -mtune=*.
2221 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2224 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2226 * doc/install.texi: Update recommended MPFR version. Remove
2227 obsolete reference to cumulative patch.
2229 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2232 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2234 2006-11-30 Jan Hubicka <jh@suse.cz>
2235 Uros Bizjak <ubizjak@gmail.com>
2237 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2238 32bit memcpy/memset decriptors.
2239 (decide_alg): With -minline-all-stringops and sizes that are best
2240 to be copied via libcall still work hard enough to pick non-libcall
2243 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2245 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2247 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2248 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2249 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2250 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2251 config/spu/spu-c.c, config/spu/spu-modes.def,
2252 config/spu/spu.c, config/spu/spu.md,
2253 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2254 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2255 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2256 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2257 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2258 spelling conventions.
2260 * config/i386/i386.c: Fix a comment typo.
2262 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2264 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2265 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2266 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2267 better optimization.
2268 (floatv4siv4sf2): New.
2269 (fix_truncv4sfv4si2): New.
2270 (floatunsv4siv4sf2): New.
2271 (fixuns_truncv4sfv4si2): New.
2279 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2280 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2281 spu_resolve_overloaded_builtin instead of static inline functions.
2283 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2285 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2286 type instead of the size of its mode to compute the highest and
2287 lowest possible values. Still check the size of the mode before
2288 flipping the signedness of the comparison.
2290 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2292 * config/spu/predicates.md (spu_mov_operand): Add.
2293 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2294 (print_operand_address, print_operand): Handle addresses containing AND.
2295 (spu_split_load, spu_split_store): Use updated movti pattern.
2296 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2297 stores in mov patterns for correct operation of reload.
2298 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2300 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2303 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2305 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2307 * common.opt (ftree-combine-temps): Remove.
2308 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2309 (coalesce_ssa_name): Don't check for combine-temps.
2310 (coalesce_vars): Remove.
2311 (check_replaceable): Use num_imm_uses.
2312 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2313 check for combine-temps.
2314 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2315 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2316 to register_ssa_partition calls.
2317 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2318 (init_var_map, delete_var_map): remove refernces to ref_count.
2319 (create_ssa_var_map): Never calculate a ref count.
2320 (type_var_init): Remove.
2321 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2322 (SSA_VAR_MAP_REF_COUNT): Delete.
2323 (create_ssa_var_map): Change Prototype to have no parameters.
2324 (version_ref_count): Delete.
2325 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2327 (type_var_num, type_var, type_var_first_partition,
2328 type_var_next_partition, type_var_dump, type_var_delete,
2329 type_var_remove_partition, type_var_find, type_var_compact,
2330 type_var_decompact): Remove.
2332 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2334 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2337 2006-12-01 Richard Guenther <rguenther@suse.de>
2340 * dwarf2out.c (struct pubname_struct): Make name const.
2341 (add_pubtype): Do not xstrdup identifiers.
2343 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2345 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2346 multiword accesses are in range.
2348 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2350 PR tree-optimization/29921
2351 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2352 (set_lattice_value): Use canonicalize_float_value.
2354 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2356 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2357 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2358 (spu_cpu_cpp_builtins): Remove.
2359 (spu_override_options): Don't set warn_main.
2360 (spu_force_reg): Move from spu-c.c.
2361 (spu_check_builtin_parm): Likewise.
2362 (expand_builtin_args): Likewise.
2363 (spu_expand_builtin_1): Likewise.
2364 (spu_expand_builtin): Likewise.
2365 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2366 warn_main and targetm.resolve_overloaded_builtin.
2367 * config/spu/spu-c.c (spu_builtin_range): Remove.
2368 (spu_check_builtin_parm): Remove.
2369 (expand_builtin_args): Remove.
2370 (spu_expand_builtin_1): Remove.
2371 (spu_expand_builtin): Remove.
2372 (spu_cpu_cpp_builtins): Moved from spu.c
2373 (spu_force_reg): Remove.
2375 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2376 David Edelsohn <edelsohn@gnu.org>
2379 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2380 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2381 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2382 HARD_REGNO_NREGS_WITH_PADDING): Define.
2383 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2384 HARD_REGNO_NREGS_WITH_PADDING): Define.
2385 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2386 Use new macros to detect modes with holes; do not look at integer
2388 (subreg_offset_representable_p): Check for and disallow cases
2389 where the modes use different numbers of bits from registers.
2390 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2391 constant for soft-float.
2392 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2394 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2395 in E500 double case.
2396 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2397 (movtf_softfloat): New.
2399 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2401 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2402 simplify_gen_subreg.
2404 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2406 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2407 (COALESCE_HASH_FN): New. Define hash function.
2408 (partition_pair_map_hash): New. Hash value for a partition pair.
2409 (partition_pair_map_eq): New. Equality for hash pairs.
2410 (create_coalesce_list): Create hash table.
2411 (delete_coalesce_list): Free hash table.
2412 (find_partition_pair): Find/create pairs in hash table.
2413 (compare_pairs): Sort pairs in ascending order now.
2414 (num_coalesce_pairs): New. Number of pairs in hash table.
2415 (struct partition_pair_iterator): Iterator struct for pair table.
2416 (first_partition_pair): Iterator function for first pair.
2417 (end_partition_pair_p): Iterator function for end of iteration.
2418 (next_partition_pair): Iterator function for next pair.
2419 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2420 (sort_coalesce_list): Sort pairs from hash table into an array.
2421 (pop_best_coalesce): Take pairs from the array.
2422 (dump_coalesce_list): Update to use hash table or sorted array.
2423 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2424 (struct coalesce_list_d): Add hash table related fields.
2426 2006-11-30 Jan Hubicka <jh@suse.cz>
2429 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2430 memmove/bcopy->memcpy conversion.
2432 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2434 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2435 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2436 Default is the largest alignment supported for 32-bit ELF and
2437 representable on a 32-bit host.
2439 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2441 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2443 2006-11-30 Jan Hubicka <jh@suse.cz>
2445 * tree-ssa-operands.h (struct ssa_operands): New.
2446 * tree-flow-inline.h (gimple_ssa_operands): New function.
2447 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2448 * Makefile.in: Remove gt-tree-ssa-operands.h
2449 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2450 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2451 operand_memory, operand_memory_index, ops_active): Remove statics.
2452 (ALLOC_OPTYPE): Update.
2453 (operand_build_sort_virtual): Update.
2454 (ssa_operands_active): Update.
2455 (init_ssa_operands): Update.
2456 (fini_ssa_operands): Update.
2457 (ssa_operand_alloc): Update.
2458 (INITIALIZE_USE): Update.
2459 (finalize_ssa_use_ops): Update.
2460 (finalize_ssa_v_may_def_ops): Update.
2461 (finalize_ssa_vuse_ops): Update.
2462 (finalize_ssa_v_must_def_ops): Update.
2464 2006-11-30 Richard Guenther <rguenther@suse.de>
2466 * tree-vectorizer.h (vectorizable_function): Export.
2467 * tree-vect-transform.c (vectorizable_function): Likewise.
2468 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2469 type_in to scalar type in recognition of squaring.
2470 Make sure the target can vectorize sqrt in recognition
2471 of sqrt, set type_in to vector type in this case.
2473 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2475 * config/i386/i386.md (R10_REG): New constant.
2476 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2477 (ix86_emit_restore_regs_using_mov): Ditto.
2478 (ix86_expand_call): Ditto.
2479 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2481 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2483 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2484 * alias.c (canon_true_dependence): Update comment.
2486 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2488 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2489 at the end of a diagnostics message.
2491 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2492 until after asserting that it was allocated in the right pool.
2494 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2495 successor edge information as well. Make output of live regs
2496 on exit consistent with live regs on entry.
2498 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2501 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2502 insn patterns for TARGET_80387.
2503 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2504 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2505 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2506 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2507 Generate truncxf<mode>2 insn patterns for strict SSE math.
2509 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2511 * config/i386/i386.md (movsf_1): Enable pattern for standard
2512 80387 constants before reload when optimizing for size.
2513 (*movdf_nointeger, *movdf_integer): Ditto.
2514 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2515 80387 constants before reload when not optimizing for size.
2517 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2518 extension of XFmode input operands.
2520 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2522 * config/spu/crt0.c (__dso_handle): Define.
2524 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2526 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2527 when clearing the used flags.
2529 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2531 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2533 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2536 * config/spu/spu.md (extend_compare<mode>): New pattern.
2537 (extend_compare): Change to expand and use the above pattern.
2539 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2541 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2543 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2544 (DFP_INIT_ROUNDMODE): Define.
2545 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2546 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2548 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2550 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2551 Update documentation.
2552 (associate_line_notes_with_blocks): Kill.
2553 (extend_bb): Remove basic block argument, put void instead.
2554 Remove line number handling for each bb.
2555 (save_line_notes): Kill.
2556 (restore_line_notes): Kill.
2557 (sched_init): Remove line_note_head initialization.
2558 Change extend_bb call.
2559 (sched_finish): Remove free of line_note_head.
2560 (add_block): Change extend_bb call.
2561 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2562 rm_line_notes and restore_line_notes calls.
2563 (schedule_ebbs): Remove rm_redundant_line_notes.
2564 * sched-int.h (struct haifa_insn_data): Remove line_note.
2565 (save_line_notes): Remove declaration.
2566 (restore_line_notes): Remove declaration.
2567 * modulo-sched.c (loop_canon_p): Update debug info printing
2568 by using insn locators instead of line note.
2569 (sms_schedule): Update debug info printing, by using insn
2570 locators instead of line note.
2571 * sched-rgn.c (debug_dependencies): Remove handling of case
2572 n>0 (line number), since it's a dead code.
2573 (schedule_region): Remove save_line_notes and
2574 restore_line_notes calls.
2576 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2578 * config/rs6000/predicates.md (gpc_reg_operand): Check
2579 invalid_e500_subreg.
2580 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2581 SImode subregs of SPE vectors.
2582 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2583 * jump.c (true_regnum): Require subregs to satisfy
2584 subreg_offset_representable_p.
2586 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2587 Steven Bosscher <stevenb.gcc@gmail.com>
2589 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2590 since it no longer exists.
2592 2006-11-29 Duncan Sands <baldrick@free.fr>
2594 PR tree-optimization/23744
2595 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2597 2006-11-29 Duncan Sands <baldrick@free.fr>
2599 PR tree-optimization/23744
2600 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2602 2006-11-29 Duncan Sands <baldrick@free.fr>
2604 PR tree-optimization/23744
2605 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2607 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2609 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2611 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2613 * sh.opt (minline-ic_invalidate): New option.
2614 (musermode): Adjust comment.
2615 * sh.c (sh_initialize_trampoline): Emit library call unless
2616 is set; if it is set, don't emit library call if we can use icbi
2618 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2619 icbi for TARGET_SH4_300.
2620 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2621 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2622 -musermode documentation.
2624 2006-11-29 Jim Tison <jtison@us.ibm.com>
2626 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2627 __gthread_recursive_mutex_init): Define.
2629 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2631 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2632 STRICT_ALIGNMENT and the type is more aligned than the saved
2633 registers, copy via a temporary.
2635 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2638 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2641 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2643 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2645 2006-11-28 Jan Hubicka <jh@suse.cz>
2647 Privatize SSA variables into gimple_df.
2648 * tree-flow-inline.h
2649 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2650 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2651 gimple_nonlocal_all): New accessors.
2652 (first_referenced_var): Update.
2653 (mark_stmt_modified): Update.
2654 (is_call_clobbered): Update.
2655 (mark_call_clobbered): Update.
2656 (clear_call_clobbered): Update.
2657 (mark_non_addressable): Update.
2658 * tree-vrp.c (get_value_range): Update.
2659 * tree-into-ssa.c (in_ssa_p): Kill.
2660 (get_default_def_for): Update.
2661 (rewrite_into_ssa): Update.
2662 * tree-complex.c (init_parameter_lattice_values): Update.
2663 (update_complex_assignment): Update.
2664 (update_parameter_components): Update.
2665 (expand_complex_libcall): Update.
2666 (expand_complex_operations_1): Update.
2667 * tree-tailcall.c (arg_needs_copy_p): Update.
2668 (add_virtual_phis): Update.
2669 (tree_optimize_tail_calls_1): Update.
2670 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2671 * tree-ssa-copyrename.c
2672 (copy_rename_partition_coalesce): Update.
2673 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2674 * tree-ssa-propagate.c (set_rhs): Update.
2675 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2676 addressable_vars, global_var):Kill.
2677 (set_initial_properties): Update.
2678 (init_alias_info): Update.
2679 (finalize_ref_all_pointers): Update.
2680 (setup_pointers_and_addressables): Update.
2681 (maybe_create_global_var): Update.
2682 (create_global_var): Update.
2683 (dump_points_to_info): Update.
2684 * function.h (struct gimple_df): Forward declare.
2685 (struct function): Add GIMPLE_DF field.
2686 * gimplify.c (force_gimple_operand): Update.
2687 * tree-dfa.c (referenced_vars, default_defs): KIll.
2688 (make_rename_temp): Update.
2689 (dump_variable): Update.
2690 (referenced_var_lookup): Update.
2691 (referenced_var_check_and_insert): Update.
2692 (default_def): Rename to ...
2693 (gimple_default_def): ... this one; accept cfun argument.
2694 (set_default_def): Update.
2695 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2696 (cleanup_control_flow): Update.
2697 * tree-ssa-pre.c (compute_avail): Update
2698 * tree-ssa-live.c (calculate_live_on_entry): Update.
2699 * tree-ssa.c (verify_use): Update.
2700 (verify_call_clobbering): Update.
2701 (verify_call_clobbering): Update.
2702 (init_tree_ssa): Update.
2703 (delete_tree_ssa): Update.
2704 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2705 (rewrite_out_of_ssa): Update.
2706 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2707 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2709 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2710 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2711 addressable_vars, aliases_computed_p): Kill.
2712 (default_def): Rename to...
2713 (gimple_default_def): ... this one.
2714 (defaule_def_fn): Kill.
2715 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2716 * tree-ssa-structalias.c (nonlocal_all): Kill.
2717 (get_constraint_exp_from_ssa_var): Update.
2718 (create_nonlocal_var): Update.
2719 (get_constraint_for): Update.
2720 (update_alias_info): Update.
2721 (find_global_initializers): Update.
2722 (intra_create_variable_infos): Update.
2723 (intra_create_variable_infos):
2724 (find_what_p_points_to): Update.
2725 (init_alias_heapvars): Update.
2726 * tree-cfg.c (remove_bb): Update.
2727 (gimplify_val): Update.
2728 * tree-ssa-reassoc.c (get_rank): Update.
2729 (init_reassoc): Update.
2730 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2731 (ssa_names, free_ssanames): Kill.
2732 (init_ssanames): Update.
2733 (make_ssa_name): Update.
2734 (release_ssa_name): Update.
2735 (release_defs): Update.
2736 (replace_ssa_name_symbol): Update.
2737 * tree-ssa-operands.c (access_can_touch_variable): Update.
2738 (add_virtual_operand): Update.
2739 (add_call_clobber_ops): Update.
2740 (add_call_read_ops): Update.
2741 (get_call_expr_operands): Update.
2742 (get_asm_expr_operands): Update.
2744 2006-11-28 Jan Hubicka <jh@suse.cz>
2746 * builtins.c: Include tree-flow.h.
2747 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2748 assignment; convert memmove to memcpy for sizes greater than 1 where
2749 alignment of operands prohibit the partial overlap.
2751 2006-11-28 Jan Hubicka <jh@suse.cz>
2753 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2754 * cgraph.c (dump_cgraph_node): Dump stack usage.
2755 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2756 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2757 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2758 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2759 (cgraph_check_inline_limits): Limit stack growth.
2760 * cfgexpand.c: Include tree-inline.h.
2761 (account_stack_vars): New function.
2762 (expand_one_var): New param to just account the stack; return estimated
2764 (expand_used_vars_for_block): Update call of expand_one_var.
2765 (account_used_vars_for_block): New function.
2766 (estimated_stack_frame_size): Likewise.
2767 (init_vars_expansion, fini_vars_expansion): Break out from..
2768 (expand_used_vars): ... here.
2769 * tree-inline.h (estimated_stack_frame_size): Declare.
2770 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2772 2006-11-28 Richard Guenther <rguenther@suse.de>
2774 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2775 unsigned long for printing OBJECT_SIZE.
2777 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2779 * alias.c (init_alias_analysis): Remove simplification loop
2780 after propagating pointers.
2782 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2784 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2787 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2789 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2791 2006-11-27 Roger Sayle <roger@eyesopen.com>
2792 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2794 * c-common.c (constant_fits_type_p): Delete.
2795 (unsigned_conversion_warning): Delete.
2796 (conversion_warning): Integrate Wconversion warning from
2797 unsigned_conversion_warning.
2798 (convert_and_check): Integrate Woverflow warning from
2799 unsigned_conversion_warning. Reorganize and simplify to avoid
2800 dependence upon the middle-end setting TREE_OVERFLOW on integral
2801 conversions, by using int_fits_type_p directly.
2803 2006-11-27 Tobias Burnus <burnus@net-b.de>
2805 * doc/invoke.texi: Fixed typo.
2807 2006-11-27 Michael Matz <matz@suse.de>
2808 Andreas Krebbel <krebbel1@de.ibm.com>
2811 * config/s390/predicates.md (larl_operand): Check addend of larl
2812 operand to be in range of -/+2GB.
2813 * config/s390/s390.c (legitimize_pic_address): Likewise.
2814 Changed type of variable even to HOST_WIDE_INT.
2816 2006-11-27 Jan Hubicka <jh@suse.cz>
2818 * expr.c (emit_block_move_via_libcall): Export.
2819 (clear_storage_via_libcall): Rename to ...
2820 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2821 (clear_storage): Update to set_storage_via_libcall.
2822 * expr.h (emit_block_move_via_libcall): Declare
2823 * config/i386/i386.h (stringop_alg): New enum.
2824 (MAX_STRINGOP_ALGS): New constant.
2825 (stringop_algs): New struct.
2826 (processor_costs): Add memcpy/memset descriptors.
2827 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2828 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2829 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2831 * config/i386/i386.opt (minline-stringops-dynamically,
2832 mstringop-strategy): New
2834 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2835 (ix86_expand-clrmem): Rename to ...
2836 (ix86_expand_setmem): ... this one; update prototype.
2837 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2838 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2839 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2840 nocona_cost, core2_cost, generic_cost, generic64_cost,
2841 generic32_cost): Add memcpy/memset descriptors.
2842 (x86_rep_movl_optimal): Remove.
2843 (stringop_alg): New static variable.
2844 (ix86_expand_aligntest): Handle predictions.
2845 (override_options): Add strgop_alg handling.
2846 (predict_jump): New function.
2847 (scale_counter): New function.
2848 (expand_set_or_movmem_via_loop): New function.
2849 (expand_movmem_via_rep_mov): New function.
2850 (expand_setmem_via_rep_stots): New function.
2851 (emit_strmov): New function.
2852 (expand_movmem_epilogue): New function.
2853 (expand_setmem_epilogue_via_loop): New function.
2854 (expand_setmem_epilogue): New function.
2855 (expand_movmem_prologue): New function.
2856 (expand_setmem_prologue): New function.
2857 (decide_alg): New function.
2858 (decide_alignment): New function.
2859 (ix86_exand_movmem): Rewrite.
2860 (promote_duplicated_reg): New function.
2861 (ix86_expand_clrmem): Rename to ...
2862 (ix86_expand_setmem): ... this one. Rewrite.
2864 * invoke.texi (minline-stringops-dynamically): New command line option.
2865 (mstringop-strategy): Likewise.
2867 2006-11-27 Jan Hubicka <jh@suse.cz>
2869 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2870 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2871 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2872 * insn-notes.def (FUNCTION_END): Remove.
2873 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2874 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2876 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2877 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2878 * cfglayout.c (duplicate_insn_chain): Don't worry about
2881 2006-11-27 Richard Guenther <rguenther@suse.de>
2882 Zdenek Dvorak <dvorakz@suse.cz>
2884 * target.h (struct gcc_target): Add builtin_vectorized_function
2886 * target-def.h (TARGET_VECTORIZE): Likewise.
2887 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2888 Document new target hook.
2889 * targhooks.h (default_builtin_vectorized_function): Declare.
2890 * targhooks.c (default_builtin_vectorized_function): Define.
2891 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2892 (vectorizable_call): Declare.
2893 * tree-vect-analyze.c (vect_analyze_operations): Call
2895 * tree-vect-transform.c (vectorizable_function): New static function.
2896 (build_vectorized_function_call): Likewise.
2897 (vectorizable_call): New function.
2898 (vect_transform_stmt): Handle vectorizable calls.
2900 2006-11-27 Richard Guenther <rguenther@suse.de>
2903 * builtins.c (expand_builtin_pow): Optimize non integer valued
2904 constant exponents using sqrt or cbrt if possible. Always fall back
2905 to expanding via optabs.
2907 2006-11-27 Ira Rosen <irar@il.ibm.com>
2909 PR tree-optimization/22372
2910 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2911 the type of the base address.
2912 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2913 it in the data-ref pointer creation.
2914 (vect_init_vector): Add an argument, type of the init vector. Use it in
2916 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2917 (get_initial_def_for_reduction): Likewise.
2918 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2920 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2921 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2922 correct type in stmt creation.
2923 (vect_setup_realignment): Use the correct type in stmt creation.
2924 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2926 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2927 of MODIFY_EXPR to void_type_node.
2928 (vectorizable_condition): Change type of MODIFY_EXPR to
2930 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2933 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2936 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2937 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2938 standard 80387 constants, raise the cost to prevent
2939 compress_float_constant() to generate load from memory.
2941 * config/i386/i386.md: Add new splitter pattern to split
2942 float_extended load of constant from constant pool into
2945 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2947 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2948 section to general section. Remove documentation for
2949 --with-mpfr-dir and --with-gmp-dir, add documentation for
2950 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2953 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2955 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2957 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2959 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2961 PR tree-optimization/29122
2962 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2963 for the new version. Assign NULL to DECL_RTL of the new version.
2965 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2967 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2969 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2971 * cse.c (cse_altered): Remove.
2972 (record_jump_equiv): Make true/false argument a bool instead
2974 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2975 where appropriate. Emit a new jump before the existing one
2976 instead of after so that delete_insn_and_edges removes the
2977 dead edges properly. Check any_condjump_p before calling
2979 (cse_basic_block): Check any_condjump_p before calling
2981 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2983 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2985 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2986 -ffixed-line-length-* options.
2988 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2990 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2991 (fprem1xf4): Rename to fprem1xf4_i387.
2993 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2994 Rename patterns to fmod<mode>3. Use general_operand operand
2995 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2996 patterns for SSE math.
2997 (remaindersf3, remainderdf3): Ditto.
2999 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3001 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3002 inside start_sequence / end_sequence pair.
3004 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3006 * jump.c (mark_all_labels): Work in cfglayout mode.
3007 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3008 when in cfglayout mode, because there are no dead jumptables
3010 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3012 (commit_edge_insertions): Do not allow insertion of instructions
3013 with control flow insns when in cfglayout mode.
3015 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3017 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3019 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3020 unswitch_loop): Ditto.
3021 * tree-loop-linear.c (linear_transform_loops): Ditto.
3022 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3023 tree_ssa_lim): Ditto.
3024 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3025 free_numbers_of_iterations_estimates): Ditto.
3026 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3027 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3028 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3029 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3030 place_new_loop, duplicate_loop, duplicate_subloops,
3031 update_single_exit_for_duplicated_loops, copy_loops_to,
3032 duplicate_loop_to_header_edge, create_preheaders,
3033 force_single_succ_latches, loop_version, fix_loop_structure):
3035 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3036 tree_unroll_loop): Ditto.
3037 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3038 * tree-scalar-evolution.c (select_loops_exit_conditions,
3039 scev_initialize, scev_analysis): Ditto.
3040 * tree-scalar-evolution.h (scev_initialize): Ditto.
3041 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3042 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3043 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3044 * modulo-sched.c (sms_schedule): Ditto.
3045 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3046 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3047 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3048 * ifcvt.c (if_convert): Ditto.
3049 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3050 canonicalize_loop_induction_variables,
3051 canonicalize_induction_variables,
3052 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3053 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3054 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3055 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3056 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3057 tree_ssa_loop_done): Ditto.
3058 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3059 estimate_bb_frequencies): Ditto.
3060 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3061 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3062 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3063 decide_unrolling_and_peeling, peel_loop_completely,
3064 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3065 peel_loop_simple, unroll_loop_stupid): Ditto.
3066 * loop-doloop.c (doloop_optimize_loops): Ditto.
3067 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3068 * loop-invariant.c (move_loop_invariants): Ditto.
3069 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3070 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3071 tree_ssa_prefetch_arrays): Ditto.
3072 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3074 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3075 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3076 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3077 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3078 verify_loop_structure): Ditto.
3079 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3080 canonicalize_induction_variables, tree_unroll_loops_completely,
3081 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3082 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3083 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3084 tree_unroll_loop, linear_transform_loops): Declaration changed.
3085 * basic-block.h: Remove declaration of struct loops.
3086 * cfghooks.h (struct cfg_hooks): Change type of
3087 cfg_hook_duplicate_loop_to_header_edge.
3088 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3089 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3090 vect_transform_loop): Declaration changed.
3091 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3092 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3093 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3094 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3095 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3096 loopify, loop_version, remove_path, unswitch_loops,
3097 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3098 Declaration changed.
3100 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3102 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3103 (X87MODEF): New mode macro.
3104 (ssemodefsuffix): New mode attribute.
3105 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3106 (sqrt_extend<mode>xf2_i387): New insn pattern.
3107 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3108 insn and truncate result back to original mode using
3109 UNSPEC_TRUNC_NOOP truncation.
3110 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3111 ssemodefsuffix mode attribute.
3112 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3113 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3114 (*sqrtextenddfxf2_i387): Remove insn patterns.
3116 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3117 truncation patterns.
3119 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3121 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3124 * c-tree.h (c_maybe_initialize_eh): New prototype.
3125 * c-decl.c (finish_decl): Move EH initialization...
3126 (c_maybe_initialize_eh): ... here. New function.
3127 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3128 if not #pragma omp atomic.
3131 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3132 or UNION_TYPE inner types.
3134 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3137 * ipa-pure-const.c (check_tree): If the original tree
3138 is volatile return early and say the function is not pure
3139 nor const. Remove the volatile check for writes.
3140 (analyze_function): Print out the result of the local
3143 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3145 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3147 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3148 * config/rs6000/rs6000.c (rs6000_override_options): Use
3149 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3152 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3154 * config/s390.c (s390_emit_compare_and_swap): New function.
3155 (s390_expand_cs_hqi, s390_expand_atomic): Call
3156 s390_emit_compare_and_swap.
3158 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3160 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3162 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3166 * c-common.c (conversion_warning): New.
3167 (convert_and_check): Call conversion_warning unless there is an
3169 * doc/invoke.texi (-Wconversion): Update description.
3171 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3173 * tree-ssa-alias.c (tree_pointer_compare): New function.
3174 (compact_name_tags): New function.
3175 (group_aliases): Call compact_name_tags.
3177 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3179 * real.h (real_isinteger): Declare.
3180 * real.c (real_isinteger): Define.
3181 * builtins.c (integer_valued_real_p): Use it.
3183 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3186 * c.opt (Wtraditional-conversion): New.
3187 (Wconversion): Update description.
3188 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3189 type conversions different from what would happen in the absence
3190 of prototype are now handled by Wtraditional-conversion.
3191 * doc/invoke.texi (Wtraditional-conversion): New.
3192 (Wconversion): Update description.
3193 * doc/trouble.texi (Wconversion): Replace Wconversion by
3194 Wtraditional-conversion.
3196 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3198 * predict.c (tree_estimate_probability): Check to make
3199 sure current_loops is non null before calling flow_loops_dump.
3201 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3203 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3205 2006-11-23 David Ung <davidu@mips.com>
3207 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3209 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3210 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3211 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3212 high part of FP register when in 64-bit FP register mode. Similarly
3213 use gen_mfhc1 to load high part of FP register.
3214 (override_options): Allow -mgp32 and -mfp64 combination if
3215 ISA_HAS_MXHC1 (currently for O32 only).
3216 (mips_cannot_change_mode_class): If floating-point registers are
3217 bigger than word size. disallow conversion of float register from a
3218 large integer mode to a float mode smaller than the float register
3220 (mips_class_max_nregs): Handle float registers case seperately.
3221 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3223 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3224 (movdf_hardfloat_32bit): Similarly.
3225 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3226 support a full 64-bit fpu.
3227 (mthc1): New pattern to generate MTHC1 instruction.
3228 (mfhc1): New pattern to generate MFHC1 instruction.
3229 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3230 option for the MIPS32R2 and mention its use under O32 ABI.
3232 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3234 * var-tracking.c (emit_note_insn_var_location): Take care not to
3235 cause verify_flow_info failures.
3237 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3239 * tree-ssa-structalias.c: Remove edge weights in favor of just
3240 processing them as complex constraints.
3241 (struct constraint_graph): Remove weighted succs and preds. Rename
3242 nonweighted succs and preds.
3243 (constraint_edge): Removed.
3244 (constraint_edge_t): Ditto.
3245 (constraint_edge_pool): Ditto.
3246 (new_constraint_edge): Ditto.
3247 (constraint_edge_equal): Ditto.
3248 (constraint_edge_less): Ditto.
3249 (constraint_edge_vec_find): Ditto.
3250 (erase_self_graph_edge): Ditto.
3251 (add_graph_edge): Removed.
3252 (get_graph_weights): Ditto.
3253 (allocate_graph_weights): Ditto.
3254 (valid_weighted_graph_edge): Ditto
3255 (bitmap_other_than_zero_bit_set): Ditto.
3256 (int_add_graph_edge): Renamed to add_graph_edge.
3257 (clear_edges_for_node): Remove support for weighted edges.
3258 (merge_graph_nodes): Ditto.
3259 (valid_graph_edge): Ditto.
3260 (build_constraint_graph): Ditto.
3262 (collapse_nodes): Ditto.
3263 (process_unification_queue): Ditto.
3264 (topo_visit): Ditto.
3265 (do_ds_constraint): Ditto.
3266 (perform_var_subsitution): Ditto.
3267 (solve_graph): Ditto.
3268 (init_alias_vars): Ditto.
3269 (delete_points_to_sets): Ditto.
3270 (do_complex_constraint): Support offsetted copies here.
3272 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3274 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3276 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3278 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3281 2006-11-23 Ben Elliston <bje@au.ibm.com>
3283 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3285 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3287 PR tree-optimization/29921
3288 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3289 signed and unsigned zero equal.
3291 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3293 * config/rs6000/rs6000.c (get_store_dest): New.
3294 (adjacent_mem_locations): Use get_store_dest() to get
3295 the rtl of the store destination.
3297 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3299 * config/rs6000/spe.md (SPE64): New mode macro.
3300 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3302 (mov_si<mode>_e500_subreg0_2): New.
3303 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3305 (mov_si<mode>_e500_subreg4_2): New.
3306 * config/rs6000/predicates.md (input_operand): Do not allow
3307 invalid E500 subregs.
3308 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3310 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3311 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3312 involving vector modes if TARGET_SPE.
3314 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3317 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3318 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3320 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3322 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3323 mem_i_address_operand): New predicates.
3324 * config/bfin/bfin.c (bfin_issue_rate): New function.
3325 (TARGET_SCHED_ISSUE_RATE): New macro.
3326 * config/bfin/bfin.md (addrtype): New attribute.
3327 (slot0, slot1, slot2, store, pregs): New cpu_units.
3328 (core): Now a define_reservation.
3329 (alu): Remove some insn types from this reservation.
3330 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3332 (dummy reservation): Don't trigger for mcld insns.
3333 (absence_sets): Two new absence sets to enforce slot ordering.
3334 (popsi_insn): Set addrtype.
3336 2006-11-22 Ira Rosen <irar@il.ibm.com>
3338 * doc/c-tree.texi: Document new tree codes.
3339 * doc/md.texi: Document new optabs.
3340 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3342 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3343 * optabs.h (optab_index): Add new.
3344 (vec_extract_even_optab, vec_extract_odd_optab,
3345 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3346 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3347 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3349 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3350 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3351 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3352 along with macros for their access.
3353 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3355 * tree-vect-analyze.c (toplev.h): Include.
3356 (vect_determine_vectorization_factor): Fix indentation.
3357 (vect_insert_into_interleaving_chain,
3358 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3359 (vect_analyze_data_ref_dependence): Add argument for interleaving
3360 check. Check for interleaving if it's true.
3361 (vect_check_dependences): New function.
3362 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3363 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3364 (vect_update_misalignment_for_peel): Update for interleaving.
3365 (vect_verify_datarefs_alignment): Check only first data-ref for
3367 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3368 only first data-ref for interleaving.
3369 (vect_analyze_data_ref_access): Check interleaving, update
3371 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3372 with different parameters.
3373 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3374 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3375 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3376 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3377 Update step in case of interleaving.
3378 (vect_strided_store_supported, vect_permute_store_chain): New
3380 (vectorizable_store): Handle strided stores.
3381 (vect_strided_load_supported, vect_permute_load_chain,
3382 vect_transform_strided_load): New functions.
3383 (vectorizable_load): Handle strided loads.
3384 (vect_transform_stmt): Add argument. Handle strided stores. Check
3385 that vectorized stmt exists for patterns.
3386 (vect_gen_niters_for_prolog_loop): Update calculation for
3388 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3389 whole chain vectorization.
3390 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3391 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3392 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3393 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3394 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3396 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3398 * cse.c (enum taken): Remove PATH_AROUND.
3399 (addr_affects_sp_p, invalidate_skipped_set,
3400 invalidate_skipped_block): Remove.
3401 (cse_end_of_basic_block): Remove skip_blocks and related code.
3402 (cse_main): Don't test for flag_cse_skip_blocks.
3403 Update cse_end_of_basic_block call.
3404 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3405 code to lengthen the path if a jump was simplified.
3407 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3409 PR rtl-optimization/29924
3410 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3411 (unroll_loop_runtime_iterations): Assert that the argument passed to
3412 split_edge_and_insert is not NULL.
3413 * loop-doloop.c (add_test): Ditto.
3415 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3417 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3419 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3420 * cfgloopmanip.c (update_single_exits_after_duplication,
3421 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3422 * tree-scalar-evolution.c (get_loop_exit_condition,
3423 get_exit_conditions_rec, loop_closed_phi_def,
3424 number_of_iterations_in_loop, scev_const_prop): Ditto.
3425 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3426 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3428 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3430 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3431 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3432 slpeel_make_loop_iterate_ntimes,
3433 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3434 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3436 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3437 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3438 vect_analyze_loop_form): Ditto.
3439 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3440 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3441 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3442 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3443 vect_transform_loop): Ditto.
3444 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3445 (single_exit, set_single_exit): New functions.
3446 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3447 (single_exit, set_single_exit): Declare.
3448 * doc/loop.texi: Undocument single_exit field. Document single_exit
3451 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3453 PR tree-optimization/29902
3454 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3455 any involved ssa name appears in abnormal phi node.
3457 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3459 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3460 (xtensa_const_ok_for_letter_p): Delete.
3461 (xtensa_extra_constraint): Delete.
3462 (override_options): Delete xtensa_char_to_class initialization.
3463 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3464 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3465 (EXTRA_CONSTRAINT): Delete.
3466 * config/xtensa/xtensa.md: Include constraints.md.
3467 (call_internal): Combine alternatives.
3468 (call_value_internal): Likewise, and remove invalid constraints.
3469 * config/xtensa/constraints.md: New file.
3470 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3471 (xtensa_extra_constraint): Delete.
3472 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3475 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3477 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3478 of conversion that doesn't fit.
3480 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3481 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3482 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3484 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3486 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3488 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3490 2006-11-21 Richard Guenther <rguenther@suse.de>
3492 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3493 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3494 vect_recog_pow_pattern.
3495 (vect_recog_pow_pattern): New function.
3497 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3499 * config/bfin/bfin.opt (mstack-check-l1): New.
3500 * doc/invoke.texi (Blackfin Options): Document it.
3501 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3502 stack bounds in L1 memory if the new option is enabled.
3503 (override_options): Don't allow combinations of -fstack-limit and
3505 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3508 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3510 (bfin_register_move_cost): Bump costs if trying to move plain
3511 integer values through accumulators.
3513 2006-11-21 Ben Elliston <bje@au.ibm.com>
3515 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3517 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3518 Russell Olsen <Russell_Olsen@playstation.sony.com>
3519 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3520 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3521 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3522 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3523 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3525 * config.gcc: Add target for SPU.
3526 * config/spu/constraints.md: New file.
3527 * config/spu/crt0.c: New file.
3528 * config/spu/crtend.c: New file.
3529 * config/spu/crti.asm: New file.
3530 * config/spu/crtn.asm: New file.
3531 * config/spu/float_unsdidf.c: New file.
3532 * config/spu/float_unssidf.c: New file.
3533 * config/spu/predicates.md: New file.
3534 * config/spu/spu-builtins.def: New file.
3535 * config/spu/spu-builtins.h: New file.
3536 * config/spu/spu-builtins.md: New file.
3537 * config/spu/spu-c.c: New file.
3538 * config/spu/spu-elf.h: New file.
3539 * config/spu/spu-modes.def: New file.
3540 * config/spu/spu-protos.h: New file.
3541 * config/spu/spu.c: New file.
3542 * config/spu/spu.h: New file.
3543 * config/spu/spu.md: New file.
3544 * config/spu/spu.opt: New file.
3545 * config/spu/spu_internals.h: New file.
3546 * config/spu/spu_intrinsics.h: New file.
3547 * config/spu/spu_mfcio.h: New file.
3548 * config/spu/t-spu-elf: New file.
3549 * config/spu/vec_types.h: New file.
3550 * config/spu/vmx2spu.h: New file.
3551 * doc/contrib.texi: Document SPU contributor.
3552 * doc/extend.texi: Document SPU extensions.
3553 * doc/invoke.texi: Document SPU options.
3554 * doc/md.texi: Document SPU constraints.
3556 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3558 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3560 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3562 (flow_loop_dump): Do not dump loop level.
3563 (flow_loops_find): Do not call flow_loops_level_compute.
3564 * cfgloop.h (struct loop): Remove level field.
3566 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3568 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3569 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3570 Use vector of edges instead of array.
3571 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3572 estimate_numbers_of_iterations_loop): Ditto.
3573 * predict.c (predict_loops): Ditto.
3574 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3575 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3577 * basic-block.h: Declare heap allocation for edge vectors.
3578 * tree-outof-ssa.c: Ditto.
3579 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3580 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3582 2006-11-20 Zack Weinberg <zackw@panix.com>
3584 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3585 Add another out parameter, "skip".
3586 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3587 is tagged "skip", do not mark its type used.
3589 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3592 * tree-sra.c (single_scalar_field_in_record_p): New function.
3593 (decide_block_copy): Use it.
3595 2006-11-20 David Daney <ddaney@avtrex.com>
3597 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3598 PC to point to following instruction.
3600 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3604 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3606 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3608 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3610 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3611 Add sh/superh.h to tm_file.
3613 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3614 Mark Mitchell <mark@codesourcery.com>
3616 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3618 (cpp_relocated): New function.
3619 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3621 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3622 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3623 replace configured prefix with gcc_exec_prefix.
3625 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3627 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3628 bfin_legitimate_constant_p.
3629 * config/bfin/bfin.md (movsi expander): Check return value of
3631 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3632 (expand_move): Adjust prototype.
3633 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3634 invalid constants specially.
3635 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3637 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3639 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3640 sibcall_value_symbol): Allow these patterns if
3641 TARGET_LEAF_ID_SHARED_LIBRARY.
3642 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3643 (override_options): Turn on id shared library flags if -msep-data,
3644 but disallow the combination of these options on the command line.
3645 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3646 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3647 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3648 -mid-shared-library.
3649 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3650 * doc/invoke.texi (Blackfin Options): Document new switches.
3652 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3653 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3655 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3656 inflate costs for addresses with an out-of-bounds address.
3658 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3661 * fwprop.c (loops): Remove.
3662 (forward_propagate_into): Use current_loops instead of
3664 (fwprop_init): Call loop_optimizer_init instead of
3666 (fwprop_done): Call loop_optimizer_finalize instead of
3668 (fwprop): Use current_loops instead of loops.
3670 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3673 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3675 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3678 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3679 larger than BITS_PER_WORD.
3681 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3685 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3686 to MAX_FIXED_MODE_SIZE.
3688 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3690 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3691 (fold_builtin_fmin_fmax): New.
3692 (fold_builtin_1): Use it.
3694 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3696 2006-11-18 Richard Guenther <rguenther@suse.de>
3698 * config/i386/i386.c (ix86_builtins): New array for ix86
3699 builtin function decls.
3700 (def_builtin): New function.
3701 (def_builtin_const): Likewise.
3702 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3704 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3706 * doc/invoke.texi (core2): Add item.
3708 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3710 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3711 (TARGET_CPU_DEFAULT_generic): Change value.
3712 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3713 (processor_type): Add new constant PROCESSOR_CORE2.
3715 * config/i386/i386.md (cpu): Add core2.
3717 * config/i386/i386.c (core2_cost): New initialized variable.
3718 (m_CORE2): New macro.
3719 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3720 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3721 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3722 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3723 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3724 x86_accumulate_outgoing_args, x86_prologue_using_move,
3725 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3726 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3727 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3728 x86_pad_returns): Add m_CORE2.
3729 (override_options): Add entries for Core2.
3730 (ix86_issue_rate): Add case for Core2.
3732 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3734 * doc/invoke.texi: Fix mno-isel typo.
3736 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3738 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3739 easy vector constant loads.
3741 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3743 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3744 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3745 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3746 * config/rs6000/sync.md (lwsync): Emit plain sync if
3749 2006-11-17 DJ Delorie <dj@redhat.com>
3751 * reload1.c (reloads_unique_chain): New.
3752 (reloads_conflict): Call it.
3754 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3756 * config/xtensa/predicates.md (addsubx_operand): New.
3757 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3758 (xtensa_emit_bit_branch): New.
3759 (xtensa_emit_movcc): New.
3760 * config/xtensa/xtensa.md (any_minmax): New code macro.
3761 (minmax): New code attribute.
3762 (any_cond, any_scc, any_scc_sf): New code macros.
3763 (*addx2, *addx4, *addx8): Delete.
3765 (*subx2, *subx4, *subx8): Delete.
3767 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3768 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3769 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3770 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3771 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3772 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3773 (movsfcc_internal0, movsfcc_internal1): Likewise.
3774 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3775 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3776 (xtensa_emit_bit_branch): New.
3777 (xtensa_emit_movcc): New.
3778 (function_arg_boundary): Add missing prototype.
3780 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3782 * config/xtensa/xtensa.md (tstsi): Delete
3784 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3786 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3788 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3790 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3792 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3794 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3796 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3798 * tree-vrp.c (execute_vrp): Do not update current_loops.
3799 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3800 * doc/loop.texi: Remove documentation for cancelled functions.
3801 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3802 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3804 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3805 (remove_path): Ensure that in delete_basic_blocks, the loops
3806 are still allocated.
3807 (add_loop): Work on valid loop structures.
3808 (loopify): Modify call of add_loop.
3809 (mfb_update_loops): Removed.
3810 (create_preheader): Do not update loops explicitly.
3811 (force_single_succ_latches, loop_version): Do not use
3812 loop_split_edge_with.
3813 (loop_split_edge_with): Removed.
3814 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3815 Do not use bsi_insert_on_edge_immediate_loop.
3816 (split_loop_exit_edge, tree_unroll_loop): Do not use
3817 loop_split_edge_with.
3818 (bsi_insert_on_edge_immediate_loop): Removed.
3819 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3820 use loop_split_edge_with.
3821 * cfghooks.c: Include cfgloop.h.
3822 (verify_flow_info): Verify that loop_father is filled iff current_loops
3824 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3825 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3827 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3829 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3830 loop_split_edge_with.
3831 (sms_schedule): Use current_loops.
3832 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3833 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3835 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3836 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3837 * ifcvt.c (if_convert): Ditto.
3838 * predict.c (predict_loops): Do not clear current_loops.
3839 (tree_estimate_probability): Use current_loops.
3840 (propagate_freq): Receive head of the region to propagate instead of
3842 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3843 (estimate_loops): New function. Handle case current_loops == NULL.
3844 (estimate_bb_frequencies): Do not allocate tovisit. Use
3846 * tree-ssa-loop.c (current_loops): Removed.
3847 (tree_loop_optimizer_init): Do not return loops.
3848 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3849 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3850 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3851 Do not update loops explicitly.
3852 * function.h (struct function): Add x_current_loops field.
3853 (current_loops): New macro.
3854 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3855 * loop-unroll.c (split_edge_and_insert): New function.
3856 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3857 use loop_split_edge_with.
3858 * loop-doloop.c (add_test, doloop_modify): Ditto.
3859 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3860 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3861 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3862 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3864 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3865 (flow_loops_free): Do not free dfs_order and rc_order.
3866 (flow_loops_find): Do not set dfs_order and rc_order in loops
3867 structure. Do not call loops and flow info verification.
3868 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3869 already belongs to some loop.
3870 * cfgloop.h (struct loops): Remove struct cfg.
3871 (current_loops, loop_split_edge_with): Declaration removed.
3872 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3873 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3874 Declaration removed.
3875 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3876 * basic-block.h (split_edge_and_insert): Declare.
3877 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3879 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3881 PR tree-optimization/29801
3882 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3883 (get_default_value): Use get_symbol_constant_value.
3884 (set_lattice_value): ICE when the value of the constant is
3886 (visit_assignment): Ignore VDEFs of read-only variables.
3888 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3890 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3892 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3893 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3895 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3897 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3898 select subvars of var.
3900 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3903 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3904 optimize if DEF doesn't have integral type.
3906 2006-11-16 Mike Stump <mrs@apple.com>
3908 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3909 pre-darwin9 system, unless the user asks for it directly.
3910 (PREFERRED_DEBUGGING_TYPE): Likewise.
3911 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3912 * config.gcc: Add suppport for darwin9.h.
3913 * config/darwin9.h: Add.
3914 * doc/install.texi (Specific): Clarify darwin documentation.
3916 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3918 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3919 optimizing for size.
3921 2006-11-16 Mike Stump <mrs@apple.com>
3923 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3925 2006-11-16 Dirk Mueller <dmueller@suse.de>
3927 * tree-vrp.c (get_value_range): Use XCNEW instead
3929 (insert_range_assertions): Use XCNEWVEC instead
3930 of XNEWVEC and memset.
3931 (vrp_initialize): Same.
3932 (vrp_finalize): Same.
3933 * tree-ssa-ccp.c (ccp_initialize): Same.
3934 * predict.c (tree_bb_level_predictions): Same.
3935 * calls.c (expand_call): Same.
3936 * tree-ssa-copy.c (init_copy_prop): Same.
3937 (fini_copy_prop): Same.
3938 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3939 of GGC_NEW and memset.
3941 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3944 * gimplify.c (gimplify_expr): Only force a load for references to
3945 non-BLKmode volatile values.
3946 * doc/implement-c.texi (Qualifiers implementation): Document the
3947 interpretation of what a volatile access is.
3948 * doc/extend.texi (C++ Extensions): Rework same documentation.
3950 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3952 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3955 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3957 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3959 (arm_neg_abssi2): Renamed from neg_abssi2.
3960 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3962 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3964 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3965 number of arguments passed to local functions in SSE registers is 3.
3967 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3968 number of arguments passed in SSE registers to 3.
3970 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3973 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3975 (get_last_bb_insn): ... new global function.
3976 (basic_block.h): Declare it.
3977 * haifa-sched.c (create_recovery_block): Use it.
3979 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3982 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3984 2006-11-15 Paul Brook <paul@codesourcery.com>
3986 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3987 _Unwind_GetTextRelBase): Move from here ...
3988 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3989 _Unwind_GetTextRelBase): ... To here.
3991 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3993 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3994 addresses we generate for testing are aligned.
3996 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3999 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4000 to what is the const decl is a place holder for.
4002 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4004 * config/i386/i386.opt: New target option -mx87regparm.
4006 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4007 and float_in_x87 variables. mmx_words, sse_words: Remove.
4008 (X87_REGPARM_MAX): Define.
4010 * config/i386/i386.c (override_options): Error out for
4011 -mx87regparm but no 80387 support.
4012 (ix86_attribute_table): Add x87regparm.
4013 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4014 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4015 (ix86_function_x87regparm): New function.
4016 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4018 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4020 (function_arg_advance): Process x87_nregs and x87_regno when
4021 floating point argument is to be passed in 80387 register.
4022 (function_arg): Pass XFmode arguments in 80387 registers for local
4023 functions. Pass SFmode and DFmode arguments to local functions
4024 in 80387 registers when flag_unsafe_math_optimizations is set.
4026 * reg-stack.c (convert_regs_entry): Disable NaN load for
4027 stack registers that are used for argument passing.
4029 * doc/extend.texi: Document x87regparm function attribute.
4030 * doc/invoke.texi: Document -mx87regparm.
4032 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4034 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4035 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4036 arg MODE; all callers changed. Use it to determine validity per
4037 machine mode instead of using Pmode for all memory references.
4038 (get_address_cost): Likewise add and use new arg MEM_MODE.
4040 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4041 J"orn Rennecke <joern.rennecke@st.com>
4043 * combine.c (likely_spilled_retval_1): Fix masking operation.
4044 (likely_spilled_retval_p): Use proper pattern for call to
4045 likely_spilled_retval_1.
4047 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4049 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4051 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4052 that tests for CONSTANT_POOL_ADDRESS_P.
4054 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4056 PR tree-optimization/29581
4057 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4058 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4059 type is different between Y and USE, create a temporary
4060 variable, initialize it at the beginning of the body bb
4061 and use it as replacement instead of Y.
4063 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4066 * gimplify.c (fold_indirect_ref_rhs): Use
4067 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4069 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4071 * expmed.c (emit_store_flag_1): New function.
4072 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4074 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4075 Use do_compare_rtx_and_jump.
4076 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4077 * arm.md (cstoresi4): New define_expand.
4078 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4079 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4080 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4082 2006-11-14 Caroline Tice <ctice@apple.com>
4084 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4085 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4087 (pubname_table): Redefine as a vector.
4088 (pubtype_table): New static global variable, defined as a vector.
4089 (pubname_table_allocated): Remove static global variable.
4090 (pubname_table_in_use): Remove static global variable.
4091 (PUBNAME_TABLE_INCREMENT): Remove constant.
4092 (size_of_pubnames): Add parameter to deal with either pubnames or
4093 pubtypes, and change code to deal with table being a vector.
4094 (add_pubname): Change to deal with table being a vector.
4095 (add_pubtype): New function.
4096 (output_pubnames): Add parameter to deal with either pubnames or
4097 pubtypes, and change code to deal with table being a vector.
4098 (gen_array_type_die): Add call to add_pubtype.
4099 (gen_enumeration_type_die): Add call to add_pubtype.
4100 (gen_struct_or_union_type_die): Add call to add_pubtype.
4101 (gen_subroutine_type_die): Add call to add_pubtype.
4102 (gen_typedef_die): Add call to add_pubtype.
4103 (dwarf2out_init): Add code to initialize pubname_table and
4104 pubtype_table vectors; also initialize debug_pubtypes_section.
4105 (prune_unused_types): Change to deal with pubnames being a vector.
4106 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4107 pubnames table to call to output_pubnames; Add code to output pubtypes
4108 table if DEBUG_PUBTYPES_SECTION is defined.
4109 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4111 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4113 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4115 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4116 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4117 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4118 movv2si_internal): Support moves between core registers.
4120 2006-11-14 Eric Christopher <echristo@apple.com>
4122 * configure: Regenerate with autoconf 2.59.
4124 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4126 Fix PR tree-optimization/27755
4128 * tree-ssa-pre.c: Update comments.
4129 (bb_bitmap_sets): Add pa_in and deferred member.
4130 (BB_DEFERRED): New macro.
4131 (maximal_set): New variable.
4132 (pre_stats): Add pa_insert member.
4133 (bitmap_set_and): Short circuit orig == dest.
4134 (bitmap_set_subtract_values): New function.
4135 (bitmap_set_contains_expr): Ditto.
4136 (translate_vuses_through_block): Add phiblock argument.
4137 (dependent_clean): New function.
4138 (compute_antic_aux): Update for maximal_set changes.
4139 (compute_partial_antic_aux): New function.
4140 (compute_antic): Handle partial anticipation.
4141 (do_partial_partial_insertion): New function.
4142 (insert_aux): Handle partial anticipation.
4143 (add_to_sets): Add to maximal set.
4144 (compute_avail): Ditto.
4145 (init_pre): Initialize maximal_set.
4146 (execute_pre): Do partial anticipation if -O3+.
4148 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4150 PR rtl-optimization/29798
4152 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4153 TARGET_INSN before any other check.
4154 (fwprop_init): Always calculate dominators.
4155 (fwprop_done): Always free them.
4157 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4159 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4162 2006-11-13 DJ Delorie <dj@redhat.com>
4164 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4165 temporary for intermediates.
4167 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4169 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4170 (sh_optimize_target_register_callee_saved): #if 0 the code
4171 using NOTE_INSN_LOOP_{BEG,END}.
4173 2006-11-13 Roger Sayle <roger@eyesopen.com>
4175 * fold-const.c (optimize_bit_field_compare): Recursively call
4176 fold when simplifying non-constant comparisons between bit-fields.
4178 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4180 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4182 * configure: Rebuilt.
4184 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4186 * config/rs6000/cell.md: New file.
4187 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4189 (ppccell_cost): New cost matrix.
4190 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4191 (rs6000_override_options): Set rs6000_always_hint to false
4192 for cell. Also align functions/lables/loops to 8byte
4193 for the Cell. Use PROCESSOR_CELL.
4194 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4195 using_mtcr_multiple.
4196 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4197 on the Cell, return 0.
4198 (rs6000_adjust_cost): Add Cell cost adjustments.
4199 (is_microcoded_insn): Return true for Cell microcoded
4201 (is_nonpipeline_insn): New function.
4202 (rs6000_issue_rate): Add PROCESSOR_CELL.
4203 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4205 (rs6000_use_sched_lookahead_guard): New function.
4206 (rs6000_sched_reorder): Reorder the ready list, if the second
4207 to last ready insn is a nonepipeline insn on the Cell.
4208 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4209 (ASM_CPU_SPEC): Add Cell.
4210 * config/rs6000/rs6000.md (cpu): Add Cell.
4211 (cell_micro): New Attr.
4214 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4216 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4218 * configure: Rebuilt.
4220 2006-11-13 Richard Guenther <rguenther@suse.de>
4222 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4224 (ix86_expand_lfloorceil): Likewise.
4225 (ix86_expand_rint): Likewise.
4226 (ix86_expand_floorceildf_32): Likewise.
4227 (ix86_expand_floorceil): Likewise.
4228 (ix86_expand_rounddf_32): Likewise.
4229 (ix86_expand_truncdf_32): Likewise.
4230 (ix86_expand_round): Likewise.
4232 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4233 Mark Mitchell <mark@codesourcery.com>
4235 * gcc.c: Organize search path variables into $prefix relative,
4236 and well-known native. Add comments.
4237 (add_sysrooted_prefix): Add comment.
4238 (process_command): If !gcc_exec_prefix add $prefix based paths.
4239 If *cross_compile == '0', add native well-known paths.
4240 Assert tooldir_base_prefix is always relative.
4241 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4242 use this value for 'install:' path.
4243 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4245 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4247 * config/i386/i386.c: Fix a typo in comment.
4249 2006-11-13 Michael Matz <matz@suse.de>
4251 * genemit.c (gen_expand): Allocate enough memory.
4253 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4255 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4256 __GXX_TYPEINFO_EQUALITY_INLINE but not
4257 __GXX_MERGED_TYPEINFO_NAMES.
4258 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4259 __GXX_MERGED_TYPEINFO_NAMES.
4260 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4261 __GXX_TYPEINFO_EQUALITY_INLINE.
4263 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4264 Zdenek Dvorak <dvorakz@suse.cz>
4266 PR tree-optimization/29680
4267 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4270 2006-11-12 Jason Merrill <jason@redhat.com>
4271 Andrew Pinski <pinskia@physics.uc.edu>
4274 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4276 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4278 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4279 * tree.c (build_vector): Handle non-_CST elements.
4281 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4283 * genemit.c (gen_insn): Call gen_exp with a non-null used
4284 when handling multiple insns.
4285 (gen_expand): Likewise.
4286 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4287 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4288 (movsi_const_16bit+1): Copy operands[1].
4289 (call_pcrel): Copy the call_site pattern.
4290 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4292 2006-11-12 Roger Sayle <roger@eyesopen.com>
4294 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4295 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4296 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4297 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4299 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4301 Fix PR tree-optimization/29587
4302 * tree-ssa-structalias.c (process_constraint): Don't
4303 mark address taken due only to escaped vars constraint.
4305 2006-11-12 Michael Matz <matz@suse.de>
4306 Roger Sayle <roger@eyesopen.com>
4308 PR rtl-optimization/29797
4309 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4310 BITS_BIG_ENDIAN targets.
4312 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4314 * builtins.c (fold_builtin_cosh): New.
4315 (fold_builtin_1): Use it.
4316 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4317 trunc to the list of "odd" functions. Also add llrint, lrint,
4318 rint and nearbyint when flag_rounding_math is false.
4320 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4322 * tree-flow.h (name_mappings_registered_p): Declare.
4323 * tree-into-ssa.c (name_mappings_registered_p): New function.
4324 * tree-cfg.c (tree_can_merge_blocks_p): Check
4325 name_mappings_registered_p instead of need_ssa_update_p.
4327 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4329 * tree-ssa-loop.c (tree_vectorize): Return the result of
4331 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4332 if anything changed.
4333 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4334 * tree-flow.h (vectorize_loops): Declaration changed.
4336 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4338 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4340 (issue_prefetch_ref): Move assignment to write_p out of loop.
4341 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4342 SIMULTANEOUS_PREFETCHES into account.
4343 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4344 * lambda-code.c (lcm): Renamed to ...
4345 (least_common_multiple): ... and exported.
4346 * tree-flow.h (least_common_multiple): Declare.
4348 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4350 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4351 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4352 ud-chains. Handle AND_EXPR.
4353 (record_estimate): Record whether the estimate is realistic
4354 and whether it is derived from a loop exit.
4355 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4356 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4358 (compute_estimated_nb_iterations): Take only realistic bounds into
4359 account. Set estimate_state. Use double_ints.
4360 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4361 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4362 that do not have to be always executed.
4363 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4364 to determine whether to call infer_loop_bounds_from_undefined
4365 and compute_estimated_nb_iterations.
4366 (n_of_executions_at_most): Use double_ints.
4367 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4368 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4369 * double-int.c (double_int_to_tree): Improve comment.
4370 (double_int_fits_to_tree_p): New function.
4371 * double-int.h (double_int_fits_to_tree_p): Declare.
4372 * tree-data-ref.c: Include langhooks.h.
4373 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4374 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4375 (analyze_array): Do not pass estimate_only argument to
4376 analyze_array_indexes.
4377 (get_number_of_iters_for_loop): Build tree from the stored double_int
4379 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4380 (find_data_references_in_loop): Use find_data_references_in_stmt.
4381 * tree-data-ref.h (struct data_ref_loc_d): New.
4382 (get_references_in_stmt): Declare.
4383 (estimate_iters_using_array): Declaration removed.
4384 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4385 double_int. Improve comments. Add is_exit and realistic
4387 (struct loop): Changed type of estimated_nb_iterations to double_int.
4388 Added estimate_state field.
4389 (record_estimate): Declaration removed.
4391 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4393 * params.c (set_param_value): Initialize the "set" field.
4394 * params.h (struct param_info): Add "set" field.
4395 (PARAM_SET_P): New macro.
4396 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4397 L1_CACHE_LINE_SIZE): New macros.
4398 * toplev.c (DEFPARAM): Initialize the "set" field.
4399 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4400 SIMULTANEOUS_PREFETCHES): Removed.
4401 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4402 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4403 * config/sparc/sparc.c: Include params.h.
4404 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4405 L1_CACHE_LINE_SIZE parameters.
4406 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4408 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4410 * config/i386/i386.c: Include params.h.
4411 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4412 (override_options): Set SIMULTANEOUS_PREFETCHES and
4413 L1_CACHE_LINE_SIZE parameters.
4414 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4415 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4416 L1_CACHE_LINE_SIZE parameters.
4417 * config/ia64/ia64.c (ia64_optimization_options): Set
4418 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4419 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4421 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4422 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4423 * doc/invoke.texi: Document new params.
4425 2006-11-12 Roger Sayle <roger@eyesopen.com>
4427 PR tree-optimization/13827
4428 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4431 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4433 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4434 update_single_exit_for_duplicated_loops): New functions.
4435 (duplicate_loop_to_header_edge): Use
4436 update_single_exit_for_duplicated_loops.
4437 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4438 functions only with ENABLE_CHECKING.
4440 2006-11-12 Andreas Schwab <schwab@suse.de>
4442 * except.c (sjlj_emit_function_enter): Remove unused variable.
4444 2006-11-11 Roger Sayle <roger@eyesopen.com>
4446 * fold-const.c (int_binop_types_match_p): New function.
4447 (size_binop): Relax constraint that both arguments must both have
4448 exactly the same sizetype type. Instead use int_binop_types_match_p.
4449 (size_diffop): Likewise.
4451 (make_range): Use build_int_cst instead of fold_convert.
4452 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4453 integer constants of the correct type.
4454 (fold_div_compare): Likewise.
4455 (fold_single_bit_test): Likewise.
4456 (fold_binary): Likewise.
4457 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4458 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4460 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4463 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4464 non null value if the struct memory access is in the 0th
4467 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4470 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4471 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4474 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4475 instead of builtin_define for bfin and BFIN.
4477 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4479 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4482 2006-11-11 Jan Hubicka <jh@suse.cz>
4484 * extend.texi (__builtin_expect): We no longer require second argument
4486 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4487 * builtins.c (expand_builtin_expect): Simplify.
4488 (expand_builtin_expect_jump): Kill.
4489 * final.c (final_scan_insn): Do not skip the removed notes.
4490 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4491 EXPECTED_VALUE): Remove.
4492 * dojump.c (do_jump): Do not care about __builtin_expect.
4493 * predict.c (expected_value_to_br_prob): Kill.
4494 * function.c (expand_function_end): Do not expand
4495 NOTE_INSN_REPEATED_LINE_NUMBER.
4496 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4497 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4498 * cfgexpand.c (add_reg_br_prob_note): Export.
4499 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4500 expected_value_to_br_prob.
4501 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4502 * rtl.h (add_reg_br_prob_note): Declare.
4504 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4506 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4508 2006-11-11 Jan Hubicka <jh@suse.cz>
4510 * predict.c (predict_loops): Kill RTL variant.
4512 2006-11-11 Jan Hubicka <jh@suse.cz>
4514 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4515 * modulo-sched.c (find_line_note): Remove.
4516 (loop_canon_p): Do not worry about line number notes.
4517 (sms_schedule): Likewise.
4518 * cse.c (cse_main): Likewise.
4519 * regmove.c (fixup_match_1): Likewise
4520 * function.c (emit_return_info_block): Likewise.
4521 (expand_function_end): Likewise.
4522 (thread_prologue_an_epilogue_insns): Likewise.
4523 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4525 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4526 emit_note_copy_after): Kill.
4527 (emit_note_copy): Do not worry about line numbers.
4528 * jump.c (purge_line_number_notes): Kill.
4529 (pass_purge_lineno_notes): Kill.
4530 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4532 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4533 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4534 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4535 * tree-pass.h (pass_purge_lineno_notes): Kill.
4536 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4537 rm_redundant_line_notes.
4538 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4539 rm_redundant_line_notes.
4540 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4541 * haifa-sched.c: Update comment about handling notes.
4542 (unlink_line_notes): Kill.
4543 (rm_line_notes): Kill.
4544 (save_line_notes): Simplify.
4545 (rm_redundant_line_notes): Kill.
4547 2006-11-11 Richard Guenther <rguenther@suse.de>
4549 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4550 Remove unused tree codes.
4551 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4552 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4553 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4554 * tree.c (stabilize_reference): Likewise.
4555 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4556 fold_unary): Likewise.
4557 * tree-gimple.c (is_gimple_cast): Likewise.
4558 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4559 * expr.c (expand_expr_real_1): Likewise.
4560 * tree-eh.c (tree_could_trap_p): Likewise.
4561 * gimplify.c (gimplify_expr): Likewise.
4562 * tree-inline.c (estimate_num_insns_1): Likewise.
4563 * tree-cfg.c (verify_expr): Likewise.
4565 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4567 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4568 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4569 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4571 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4574 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4575 constraints accept neither registers or memories.
4577 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4579 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4580 (NO_PROFILE_COUNTERS): Define as 1.
4582 2006-11-10 Roger Sayle <roger@eyesopen.com>
4584 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4585 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4587 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4589 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4591 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4593 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4594 (fold_builtin_hypot): Likewise.
4595 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4597 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4599 2006-11-10 Roger Sayle <roger@eyesopen.com>
4601 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4602 when attempting to build INTEGER_CSTs of non-integral types.
4603 * expmed.c (make_tree): Use the correct type, i.e. the inner
4604 type, when constructing the individual elements of a CONST_VECTOR.
4606 2006-11-10 Jan Hubicka <jh@suse.cz>
4608 * cse.c (cse_process_notes): Copy the propagated value.
4609 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4611 * gcse.c (try_replace_reg): Copy the replacement.
4612 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4613 (assign_386_stack_local): Always return copied memory expression
4614 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4617 2006-11-10 Jan Hubicka <jh@suse.cz>
4619 * final.c (final): Walk from first instruction.
4620 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4622 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4625 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4627 (umulv8hi3_highpart): Ditto.
4628 (vec_widen_smult_hi_v8hi): New expander.
4629 (vec_widen_smult_lo_v8hi): Ditto.
4631 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4634 * builtins.c (do_mpfr_arg3): New.
4635 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4637 2006-11-09 Eric Christopher <echristo@apple.com>
4642 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4643 * config.gcc (powerpc64-*-darwin*): New target.
4644 * config.host: Ditto.
4645 * config/rs6000/darwin64.h: New file.
4646 * config/rs6000/x-darwin64: Ditto.
4647 * config/rs6000/host-ppc64-darwin.c: Ditto.
4649 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4651 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4652 routines for integer division.
4654 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4656 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4658 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4661 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4663 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4665 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4666 simplify_subreg with BLKmode outer mode.
4668 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4670 * doc/invoke.texi: Minor formatting fixes in option lists.
4672 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4674 PR tree-optimization/29738
4675 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4676 (ccp_lattice_t): Remove UNKNOWN_VAL.
4677 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4678 Do not handle UNKNOWN_VAL.
4679 (get_default_value): Set initial value of virtual operands to
4681 (get_value): Always use get_default_value on uninitialized
4683 (set_value_varying, surely_varying_stmt_p): New functions.
4684 (set_lattice_value): Do not pass argument to get_value.
4685 Do not handle UNKNOWN_VAL.
4686 (likely_value): Follow the semantics described in the comment.
4687 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4688 phi nodes DONT_SIMULATE_AGAIN.
4689 (ccp_fold): Do not pass argument to get_value.
4690 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4693 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4695 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4696 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4698 2006-11-08 Roger Sayle <roger@eyesopen.com>
4700 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4701 test for inclusion rather than as a test for exclusion.
4702 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4703 the condition after calling fold_binary.
4704 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4705 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4706 * builtins.c (fold_builtin_isascii): Likewise.
4707 (fold_builtin_isdigit): Likewise.
4709 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4711 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4712 * configure: Regenerate.
4714 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4716 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4717 enum argument instead of bool.
4718 (vect_analyze_operations): Call vectorizable_type_promotion.
4719 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4720 stmt_vec_info_type value.
4721 (supportable_widening_operation, vectorizable_type_promotion): New
4722 function declarations.
4723 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4724 (vectorizable_type_promotion): New function.
4725 (vect_transform_stmt): Call vectorizable_type_promotion.
4726 * tree-vect-analyze.c (supportable_widening_operation): New function.
4727 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4729 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4732 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4733 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4734 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4736 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4737 * expr.c (expand_expr_real_1): Likewise.
4738 * optabs.c (optab_for_tree_code): Likewise.
4739 (init_optabs): Initialize new optabs.
4740 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4741 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4742 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4743 vec_unpacku_lo_optab): Initialize new optabs.
4744 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4745 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4746 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4748 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4749 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4750 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4751 (vec_unpacku_lo_optab): New optabs.
4752 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4753 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4754 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4755 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4756 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4757 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4759 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4760 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4761 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4762 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4763 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4764 implement the unsigned unpacking patterns.
4765 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4766 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4767 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4768 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4769 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4770 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4771 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4772 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4773 multiplication patterns.
4775 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4776 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4777 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4778 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4779 (rs6000_builtin_mul_widen_odd): New.
4780 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4781 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4782 * tree-vectorizer.h (enum vect_relevant): New enum type.
4783 (_stmt_vec_info): Field relevant chaned from bool to enum
4785 (STMT_VINFO_RELEVANT_P): Updated.
4786 (STMT_VINFO_RELEVANT): New.
4787 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4788 instead of STMT_VINFO_RELEVANT_P.
4789 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4790 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4791 and boolean variable with enum vect_relevant.
4792 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4793 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4794 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4796 2006-11-08 Richard Henderson <rth@redhat.com>
4798 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4799 vec_widen_umult_lo_v8hi): New.
4800 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4801 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4803 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4804 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4805 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4806 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4807 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4808 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4809 vec_unpacks_lo_v4si): New.
4811 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4813 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4814 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4815 (vect_analyze_operations): Call vectorizable_type_demotion.
4816 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4817 stmt_vec_info_type value.
4818 (vectorizable_type_demotion): New function declaration.
4819 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4822 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4823 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4825 * tree-iniline.c (estimate_num_insns_1): Likewise.
4826 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4827 * optabs.c (optab_for_tree_code): Likewise.
4829 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4830 compared against the predicate of the result is not 'mode' (the input
4831 to the function) but a mode with half the size of 'mode'.
4832 (init_optab): Initialize new optabs.
4833 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4835 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4837 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4838 (vec_pack_usat_optab): Initialize new optabs.
4839 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4840 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4842 2006-11-08 Richard Henderson <rth@redehat.com>
4844 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4845 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4846 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4847 (vec_interleave_highv4si, vec_interleave_lowv4si):
4848 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4850 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4852 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4854 (vect_transform_stmt): Removed redundant code.
4856 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4858 * tree-vect-transform.c (vectorizable_operation): Support multiple
4861 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4863 * tree-vect-transform.c (vect_align_data_ref): Removed.
4864 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4865 Updated function documentation. Return the increment stmt in ptr_incr.
4866 (bump_vector_ptr): New function.
4867 (vect_get_vec_def_for_stmt_copy): New function.
4868 (vect_finish_stmt_generation): Create a stmt_info to newly created
4870 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4872 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4873 VF is greater than the number of elements that can fit in one vector
4875 (vectorizable_operation, vectorizable_condition): Likewise.
4876 (vectorizable_store, vectorizable_load): Support the case that the VF
4877 is greater than the number of elements that can fit in one vector word.
4878 (vect_transform_loop): Don't fail in case of multiple data-types.
4879 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4880 in case of multiple data-types; the smallest type determines the VF.
4881 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4882 if they are of different sizes.
4883 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4884 number of elements rather than number of bytes.
4885 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4886 (vect_can_advance_ivs_p): Fix a dump printout
4888 2006-11-07 Eric Christopher <echristo@apple.com>
4890 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4891 (__bswapsi2): Ditto.
4892 * libgcc2.h: Remove transformation of bswap routines.
4893 * config/i386/i386.md (bswapsi2): New.
4896 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4898 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4899 (handle_gnu_inline_attribute): New function.
4900 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4901 (merge_decls, start_decl, start_function): Likewise.
4902 * doc/extend.texi: Document gnu_inline attribute.
4904 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4907 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4908 _fixunstfdi, and _floatditf
4910 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4912 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4914 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4915 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4916 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4917 which start in an odd register.
4919 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4921 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4923 2006-11-07 Josh Conner <jconner@apple.com>
4925 * doc/invoke.texi (fstrict-aliasing): Move implementation
4927 * doc/tree-ssa.texi (Alias analysis): ...here.
4929 2006-11-07 Richard Guenther <rguenther@suse.de>
4931 PR tree-optimization/29610
4932 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4933 of tree_purge_dead_eh_edges as it may free dominators.
4935 * g++.dg/other/pr29610.C: New testcase.
4937 2006-11-07 David Ung <davidu@mips.com>
4939 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4940 costs when optimizing for size.
4941 (override_options): Use mips_rtx_cost_optimize_size table for cost
4944 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4946 * gcc.c (process_command): Treat -b as normal switch if its argument
4949 2006-11-07 David Ung <davidu@mips.com>
4951 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4954 2006-11-06 Eric Christopher <echristo@apple.com>
4956 * config.gcc: Add x86_64-darwin host support.
4957 * config.host: Ditto.
4958 * config/i386/darwin64.h: New file.
4959 * config/i386/t-darwin64: Ditto.
4961 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4963 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4964 and output-exists-not.
4966 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4969 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4970 checking for overflow.
4972 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4974 * configure.ac: Fixed typo in case statement: :: changed to ;;
4976 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4978 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4979 count_leading_zeros, and count_trailing_zeros.
4980 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4981 (TARGET_FOLD_BUILTIN): Define.
4982 (TARGET_EXPAND_BUILTIN): Define.
4983 (xtensa_init_builtins): New.
4984 (xtensa_fold_builtin): New.
4985 (xtensa_expand_builtin): New.
4986 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4987 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4988 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4989 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4990 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4991 (any_extend): New code macro.
4992 (u, su): New code attributes.
4993 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4994 (nsau): Remove; replaced by clzsi2.
4995 (ffssi2): Use clzsi2.
4996 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4997 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4998 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4999 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5000 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5002 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5004 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5006 * config/arm/t-strongarm-elf: Likewise.
5007 * config/arm/t-pe: Likewise.
5008 * config/arm/t-arm-elf: Likewise.
5009 * config/arm/t-xscale-elf: Likewise.
5010 * config/arm/t-arm-coff: Likewise.
5011 * config/arm/t-xscale-coff: Likewise.
5012 * config/arm/t-wince-pe: Likewise.
5014 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5016 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5019 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5022 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5025 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5028 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5029 as a valid 80387 constant.
5030 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5031 * config/i386/i386.md (unnamed splitter): Split the load of
5032 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5035 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5037 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5038 from the soft-frame, argument and virtual registers.
5040 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5042 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5043 patterns for standard 80387 constants.
5045 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5046 Steven Bosscher <steven@gcc.gnu.org>
5048 * fwprop.c: New file.
5049 * Makefile.in: Add fwprop.o.
5050 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5051 * passes.c (init_optimization_passes): Schedule forward propagation.
5052 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5054 * timevar.def (TV_FWPROP): New.
5055 * common.opt (-fforward-propagate): New.
5056 * opts.c (decode_options): Enable forward propagation at -O2.
5057 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5058 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5059 canon_for_address, table_size): Remove.
5060 (new_basic_block, insert, remove_from_table): Remove references to
5062 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5063 simplification loop more straightforward by not calling fold_rtx
5065 (equiv_constant): Move here a small part of fold_rtx_subreg,
5066 do not call fold_rtx. Call avoid_constant_pool_reference
5068 * recog.h (canonicalize_change_group): New.
5070 * doc/invoke.texi (Optimization Options): Document fwprop.
5071 * doc/passes.texi (RTL passes): Document fwprop.
5073 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5075 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5076 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5077 (grokdeclarator): Likewise.
5079 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5081 * tree-dump.c (dump_enable_all): Rename local variable
5082 ir_type to avoid name conflicts.
5083 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5084 instead of using ir_type().
5085 * profile.c (tree_register_profile_hooks): Likewise.
5086 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5087 * basic-block.h (struct edge_def): Likewise.
5088 * config/arm/arm.c (legitimize_pic_address): Likewise.
5089 * coretypes.h (ir_type): New enum of all intermediate languages
5091 * cfghooks.c (ir_type): Rename to...
5092 (current_ir_type): ...this. Distinguish between cfgrtl and
5093 cfglayout mode when the current IR is RTL. Return enum ir_type.
5094 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5096 2006-11-03 Paul Brook <paul@codesourcery.com>
5098 * config/arm/arm.c (arm_file_start): New function.
5099 (TARGET_ASM_FILE_START): Define.
5100 (arm_default_cpu): New variable.
5101 (arm_override_options): Set arm_default_cpu.
5103 2006-11-03 David Ung <davidu@mips.com>
5105 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5106 PROCESSOR_24KC and PROCESSOR_24KF.
5107 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5108 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5109 (mips_rtx_cost_data): Add costs for the 24kc.
5110 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5111 * config/mips/24k.md: Remove references to 24k and replace with
5112 uses of 24kc/24kf in the appropriate reservations.
5113 * doc/invoke.texi (MIPS Options): Updated.
5115 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5117 * config/sh/crt1.asm: Fix #ifdef indent.
5119 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5120 Merged from STMicroelectronics sources:
5121 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5122 * config/sh/crt1.asm (vbr_600): Add missing #if.
5123 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5124 * sh.opt (mfused-madd): New option.
5125 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5126 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5127 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5128 Remove pointless handler at VBR+0.
5129 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5130 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5131 fr7. Make sure the timer handler is called with the correct FPU
5132 precision setting, according to the ABI.
5133 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5134 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5135 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5136 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5137 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5138 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5139 zero as second operand.
5140 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5141 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5142 Fixed some bugs related to negative values, in particular -0
5143 and overflow at -0x80000000.
5144 * config/sh/divcost-analysis: Added sh4-300 figures.
5145 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5146 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5147 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5148 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5149 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5150 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5152 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5154 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5155 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5156 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5157 mac_mem, mem_mac, dfp_mul, fp_cmp.
5158 (insn_class, dfp_comp, any_fp_comp): Update.
5159 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5160 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5161 (muldf3_i): Likewise.
5162 (movsi_i): Split rI08 alternative into two separate alternatives.
5164 (movsi_ie, movsi_i_lowpart): Likewise.
5165 (movqi_i): Split ri alternative into two separate alternatives.
5167 * sh1.md (sh1_load_store, sh1_fp): Update.
5168 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5169 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5170 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5171 (sh4a_fp_double_arith): Likewise.
5172 * sh4-300.md: New file.
5173 * sh.c (sh_handle_option): Handle m4-300* options.
5174 (sh_adjust_cost): Fix latency of auto-increments.
5175 Handle SH4-300 differently than other SH4s. Check for new insn types.
5176 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5177 been set by an option.
5178 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5179 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5180 (mbranch-cost=): Likewise.
5181 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5183 * sh.md (mulsf3): Remove special expansion code.
5184 (mulsf3_ie): Now a define_insn_and_split.
5185 (macsf3): Allow for TARGET_SH4.
5187 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5188 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5189 (expand_cbranchdi4): Likewise.
5190 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5191 CONST_DOUBLE if the outer code is COMPARE.
5192 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5193 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5194 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5195 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5196 Remove redundant fp_{zero,one}_operand checks.
5197 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5198 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5199 (expand_cbranchdi4): Likewise.
5200 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5201 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5203 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5205 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5208 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5210 * doc/invoke.texi: Fix mfp-trap-mode typo.
5212 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5214 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5215 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5216 file_end_indicate_exec_stack.
5217 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5219 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5220 for a non-executable stack.
5221 * crti.asm: Likewise.
5222 * crtn.asm: Likewise.
5223 * libunwind.S: Likewise.
5225 2006-11-02 Ben Elliston <bje@au.ibm.com>
5227 * tree-ssa.c (warn_uninit): Use expand_location variables for
5228 locus and declaration locus.
5230 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5233 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5234 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5235 cmp{eq,gt,gtu}{si,di}_media.
5236 (*cmpne0si_media): Remove.
5237 (*movsicc_umin): Adjust gen_cmp*_media call.
5238 (unordered): Change the mode of unordered and operands[1] to
5240 (seq): Adjust gen_cmp*_media calls. Make the mode of
5241 a temporary result of compare SImode if needed. If the mode
5242 of operands[0] is DImode, extend the temporary result to DImode.
5243 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5244 (sunorderd): Change the mode of match_operand and unorderd to
5246 (cmpeq{sf,df}_media): Remove.
5247 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5248 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5249 and compare operation to SImode.
5251 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5253 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5255 (sparc64-sun-solaris2*): Likewise.
5257 2006-11-02 Paul Brook <paul@codesourcery.com>
5259 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5260 from priority argument. Use different section for non-default
5262 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5264 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5267 * except.c (switch_to_exception_section): Do not cache the section
5268 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5269 and flag_function_sections is set.
5271 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5274 * builtins.c (do_mpfr_sincos): New.
5275 (fold_builtin_1): Use it to fold builtin sincos.
5277 2006-11-01 Roger Sayle <roger@eyesopen.com>
5279 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5280 it into -D_REENTRANT.
5282 2006-11-01 Roger Sayle <roger@eyesopen.com>
5284 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5285 whether the assembler supports taking the difference of symbols in
5286 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5287 * configure: Regenerate.
5288 * config.in: Regenerate.
5289 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5290 the assembler doesn't support taking the difference of symbols in
5291 different sections, i.e. we're using the native solaris assembler.
5293 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5294 Peter Bergner <bergner@vnet.ibm.com>
5296 * doc/invoke.texi: Add cpu_type power6x
5297 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5298 * config.gcc: Add cpu_type power6x.
5299 * configure.ac: Add test for mf{t,f}gpr instructions.
5300 (HAVE_AS_MFPGPR): New.
5301 * config.in: Regenerate.
5302 * configure: Regenerate.
5303 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5304 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5305 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5306 and mftgpr attributes.
5307 (define_attr "cpu"): Add power6.
5308 Change instruction sequences to use new attributes.
5309 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5310 (fix_truncdfsi2_mfpgpr): New.
5311 (floatsidf_ppc64_mfpgpr): New.
5312 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5313 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5314 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5315 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5316 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5317 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5318 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5319 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5320 cntlz,exts and var_delayed_compare.
5321 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5322 _ARCH_PWR6X, if features enabled.
5323 * config/rs6000/rs6000.opt (mmfpgpr): New.
5324 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5325 (cached_can_issue_more): New variable.
5326 (processor_costs): Add power6_cost.
5327 (rs6000_sched_init): New function.
5328 (is_dispatch_slot_restricted): Deleted.
5329 (set_to_load_agen): New function.
5330 (is_load_insn,is_store_insn): New functions.
5331 (adjacent_mem_locations): New function.
5332 (insn_must_be_first_in_group): New function.
5333 (insn_must_be_last_in_group): New function.
5334 (rs6000_sched_reorder): New function.
5335 (rs6000_sched_reorder2): New function.
5336 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5337 TARGET_SCHED_REORDER2): Define.
5338 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5339 Add power6x. Add MASK_MFPGPR for power6x.
5340 (POWERPC_MASKS): Add MASK_MFPGPR.
5341 (rs6000_override_options): Set rs6000_always_hint to false
5342 for power6. Set rs6000_align_branch_targets. Replace
5343 rs6000_sched_groups check with rs6000_align_branch_targets.
5344 Use PROCESSOR_POWER6.
5345 (last_scheduled_insn): New variable.
5346 (load_store_pendulum): New variable.
5347 (rs6000_variable_issue): Set last_scheduled_insn and
5348 cached_can_issue_more.
5349 (rs6000_adjust_cost): Add power6 cost adjustments.
5350 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5351 with insn_must_be_first_in_group. Add power6 priority adjustments.
5352 (rs6000_issue_rate): Add CPU_POWER6.
5353 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5354 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5355 (TARGET_MFPGPR): New.
5356 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5357 (ASM_CPU_SPEC): Add power6x.
5358 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5360 * config/rs6000/power6.md: New file.
5362 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5364 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5365 HOST_WIDE_INT_PRINT to print high and low parts. Use
5366 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5367 printing a hexadecimal number prefix it with 0x.
5369 2006-11-01 Chris Johns <chris@contemporary.net.au>
5372 * Makefile.in (install-driver): Use exeext when installing
5373 $target-gcc-$version.
5375 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5377 * c-common.c (flag_cpp0x): New.
5378 * c-common.h (flag_cpp0x): New.
5379 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5380 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5381 * c-opts.c (set_std_cxx0x): New.
5382 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5383 * c.opt (std=c++0x): Document.
5384 (std=gnu++0x): Ditto.
5385 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5386 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5388 2006-11-01 Richard Guenther <rguenther@suse.de>
5390 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5392 (ix86_expand_floorceildf_32): Likewise.
5393 (ix86_expand_floorceil): Likewise.
5394 (ix86_expand_trunc): Likewise.
5396 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5398 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5401 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5403 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5405 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5407 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5409 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5410 * configure.ac (use_cxa_atexit): As a special case, don't test
5411 for libc definition of __cxa_atexit on mingw32
5412 * configure: Regenerate.
5413 * config.gcc (i[34567]86-pc-mingw32): Default to
5414 enable__cxa_atexit=yes.
5416 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5418 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5420 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5423 * c-decl.c (start_struct): Don't create self-containing
5425 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5427 * config/rs6000/rs6000-protos.h
5428 (darwin_rs6000_special_round_type_align): New.
5429 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5430 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5432 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5434 * toplev.c (compile_file): Call final_write_globals
5435 even if there have been errors.
5437 2006-10-31 Eric Christopher <echristo@apple.com>
5438 Falk Hueffner <falk@debian.org>
5440 * doc/extend.texi (__builtin_bswap32): Document.
5441 (__builtin_bswap64): Ditto.
5442 * doc/libgcc.texi (bswapsi2): Document.
5444 * doc/rtl.texi (bswap): Document.
5445 * optabs.c (expand_unop): Don't widen a bswap.
5446 (init_optabs): Init bswap. Set libfuncs explicitly
5447 for bswapsi2 and bswapdi2.
5448 * optabs.h (OTI_bswap): New.
5449 (bswap_optab): Ditto.
5450 * genopinit.c (optabs): Handle bswap_optab.
5451 * tree.h (tree_index): Add TI_UINT32_TYPE and
5453 (uint32_type_node): New.
5454 (uint64_type_node): Ditto.
5455 * tree.c (build_common_tree_nodes_2): Initialize
5456 uint32_type_node and uint64_type_node.
5457 * builtins.c (expand_builtin_bswap): New.
5458 (expand_builtin): Call.
5459 (fold_builtin_bswap): New.
5460 (fold_builtin_1): Call.
5461 * fold-const.c (tree_expr_nonnegative_p): Return true
5463 * builtin-types.def (BT_UINT32): New.
5465 (BT_FN_UINT32_UINT32): Ditto.
5466 (BT_FN_UINT64_UINT64): Ditto.
5467 * builtins.def (BUILT_IN_BSWAP32): New.
5468 (BUILT_IN_BSWAP64): Ditto.
5469 * rtl.def (BSWAP): New.
5470 * genattrtab.c (check_attr_value): New.
5471 * libgcc2.c (__bswapSI2): New.
5472 (__bswapDI2): Ditto.
5473 * libgcc2.h (__bswapSI2): Declare.
5474 (__bswapDI2): Ditto.
5475 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5476 * simplify-rtx.c (simplify_const_unary_operation): Return
5478 * libgcc-std.ver (__bwapsi2): Add.
5479 (__bswapdi2): Ditto.
5480 * reload1.c (eliminate_regs_1): Add bswap.
5481 (elimination_effects): Ditto.
5482 * config/i386/i386.h (x86_bswap): New.
5483 (TARGET_BSWAP): Use.
5484 * config/i386/i386.c (x86_bswap): Set.
5486 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5488 * coverage.c (coverage_checksum_string): Update comment.
5489 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5490 of get_file_function_name.
5491 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5492 of get_file_function_name_long.
5493 * tree.c (get_file_function_name): Rename from
5494 get_file_function_name_long; improve comment; handle 'I' and 'D'
5495 specially when the target has ctor/dtor support; remove special
5497 (get_file_function_name): Remove.
5498 * tree.h (get_file_function_name): Rename from
5499 get_file_function_name_long.
5500 (get_file_function_name): Remove prototype.
5502 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5504 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5505 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5507 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5508 Call dsymutil when compiling and linking one or more source files
5511 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5514 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5516 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5518 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5519 inline static functions in c99 mode.
5522 * doc/extend.texi (Inline): Update.
5523 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5524 * c-decl.c (current_extern_inline): Delete.
5525 (pop_scope): Adjust test for an undefined nested function.
5526 Add warning about undeclared inline function.
5527 (diagnose_mismatched_decls): Update comments. Disallow overriding
5528 of inline functions in a translation unit in C99. Allow inline
5529 declarations in C99 at any time.
5530 (merge_decls): Boolize variables. Handle C99 'extern inline'
5532 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5533 C99 inline semantics.
5534 (start_function): Don't clear current_extern_inline. Don't set
5536 (c_push_function_context): Don't push current_extern_inline.
5537 (c_pop_function_context): Don't restore current_extern_inline.
5540 * c-typeck.c (build_external_ref): Warn about static variables
5541 used in extern inline functions.
5542 * c-decl.c (start_decl): Warn about static variables declared
5543 in extern inline functions.
5545 2006-10-31 Roger Sayle <roger@eyesopen.com>
5548 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5549 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5550 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5551 or y is an even integer.
5553 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5556 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5557 * gthr-posix95.h (__gthread_active_p): Likewise.
5559 2006-10-31 Richard Guenther <rguenther@suse.de>
5561 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5562 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5563 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5564 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5565 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5566 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5567 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5568 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5571 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5573 * opts.c (decode_options): Disable CSE skip blocks.
5575 2006-10-30 Dirk Mueller <dmueller@suse.de>
5577 * c-common.h (strict_aliasing_warning): Fix whitespace.
5578 * c-decl (start_function): Move code for main decl warning ..
5579 * c-common.c (check_main_parameter_types): .. here.
5580 * c-common.h (check_main_parameter_types): Declare.
5582 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5585 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5587 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5589 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5590 be a PARALLEL containing sets. Return false when out_pat is not
5593 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5595 * config/mips/mips.md (mul<mode>3): Split into...
5596 (mulsi3, muldi3): ...these separate patterns.
5598 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5600 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5601 but with each set of options separated by spaces.
5603 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5605 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5606 dwarf_reg_size_table has been initialized.
5608 2006-10-30 Roger Sayle <roger@eyesopen.com>
5610 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5611 * ddg.c (print_ddg_edge): Likewise.
5612 * dwarf2out.c (prune_unused_types_walk): Likewise.
5613 * ifcvt.c (noce_try_cmove_arith): Likewise.
5614 * langhooks.c (add_builtin_function): Likewise.
5615 * reg-stack.c (subst_stack_regs_pat): Likewise.
5616 * tree.c (expanded_location): Likewise.
5617 * tree-dump.c (dequeue_and_dump): Likewise.
5619 2006-10-30 David Daney <ddaney@avtrex.com>
5621 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5623 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5625 PR tree-optimization/29637
5626 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5627 of the innertype is the innertype itself.
5629 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5631 * dwarf2out.c (file_name_acquire): Correct typo.
5633 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5635 * tree.h (tree_value_handle): Remove struct value_set declaration.
5636 Change value_set to bitmap_set.
5637 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5638 * tree-vn.c (get_value_handle): Made inline and moved to
5640 * tree-flow-inline.h: (has_stmt_ann): New function.
5641 * tree-ssa-pre.c (expressions): New variable.
5642 (next_expression_id): Ditto.
5643 (alloc_expression_id): New function.
5644 (struct value_set): Remove.
5645 (get_expression_id): New function.
5646 (get_or_alloc_expression_id): Ditto.
5647 (expression_for_id): Ditto.
5648 (clear_expression_ids): Ditto.
5649 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5650 (bb_value_sets): Renamed to bb_bitmap_sets.
5651 All value sets replaced with bitmap_sets.
5653 (BB_VISITED): New macro.
5654 (postorder): New variable.
5655 (add_to_value): Removed.
5656 (value_exists_in_set_bitmap): Ditto.
5657 (value_insert_into_set_bitmap): Ditto.
5660 (set_remove): Ditto.
5661 (set_contains_value): Ditto.
5662 (insert_into_set): Ditto.
5664 (find_leader): Ditto.
5665 (bitmap_set_subtract_from_value_set): Ditto.
5666 (value_insert_into_set): Ditto.
5667 (print_value_set): Ditto.
5668 (debug_value_set): Ditto.
5669 (constant_expr_p): New function.
5670 (bitmap_remove_from_set): Ditto.
5671 (bitmap_insert_into_set): Ditto.
5672 (bitmap_set_free): Ditto.
5673 (vh_compare): Ditto.
5674 (sorted_array_from_bitmap_set): Ditto.
5675 (bitmap_set_subtract): Ditto.
5676 (bitmap_set_equal): Ditto.
5677 (debug_bitmap_set): Ditto.
5678 (find_leader_in_sets): Ditto.
5679 (bitmap_set_replace_value): Modify for bitmapped sets.
5680 (phi_translate): Ditto.
5681 (phi_translate_set): Ditto.
5682 (bitmap_find_leader): Ditto.
5683 (valid_in_sets): Ditto.
5684 (union_contains_value): Ditto.
5686 (compute_antic_aux): Ditto. Mark changed blocks.
5687 (compute_antic): Ditto. Iterate in postorder and only over
5689 (compute_rvuse_and_antic_safe): Reuse postorder.
5690 (create_component_ref_by_pieces): Modify for bitmapped sets.
5691 (find_or_generate_expression): Ditto.
5692 (create_expression_by_pieces): Ditto.
5693 (insert_into_preds_of_block): Ditto.
5694 (changed_blocks): New variable.
5695 (do_regular_insertion): Broken out from insert_aux.
5696 (insert_aux): Modified for bitmapped sets.
5697 (find_existing_value_expr): New function.
5698 (create_value_expr_from): Use it.
5699 (insert_extra_phis): Removed.
5700 (print_bitmap_set): Renamed from bitmap_print_value_set.
5701 (compute_avail): Handle RETURN_EXPR.
5702 (init_pre): Modify for bitmapped sets.
5703 * tree-flow.h (has_stmt_ann): New function.
5705 2006-10-29 Roger Sayle <roger@eyesopen.com>
5707 * builtins.c (fold_builtin_floor): Check for the availability of
5708 the C99 trunc function before transforming floor into trunc.
5710 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5712 * builtins.c (fold_builtin_hypot): Rearrange recursive
5713 transformation before others, and also do ABS_EXPR. When
5714 necessary, check flag_unsafe_math_optimizations. When necessary,
5717 2006-10-29 Roger Sayle <roger@eyesopen.com>
5719 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5720 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5721 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5722 Fold -X eq/ne -Y as X eq/ne Y.
5724 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5726 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5727 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5728 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5729 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5730 Use an inclusive test for "mult" rather than "mul".
5731 (rotr<mode>3): Depend on ISA_HAS_ROR.
5732 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5734 (GENERATE_MULT3_DI): Delete.
5735 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5736 (ISA_HAS_MUL3): New macro.
5737 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5738 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5739 (ISA_HAS_CLZ_CLO): Likewise.
5740 (ISA_HAS_DCLZ_DCLO): Delete.
5741 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5742 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5743 the VR4120 and VR4130.
5744 (ISA_HAS_MACCHI): Use consistent formatting.
5745 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5746 (ISA_HAS_ROR): ...this new macro.
5747 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5748 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5749 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5751 2006-10-29 Roger Sayle <roger@eyesopen.com>
5753 PR tree-optimization/15458
5754 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5757 2006-10-29 Richard Guenther <rguenther@suse.de>
5759 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5760 (ix86_expand_truncdf_32): Likewise.
5761 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5762 trunc inline for SSE math and -fno-trapping-math and if not
5763 optimizing for size.
5764 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5765 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5766 for expanding btrunc inline for SSE math.
5768 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5770 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5771 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5772 i[34567]86-*-solaris2.1[0-9]*.
5773 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5774 Define conditionally depending on TARGET_64BIT_DEFAULT.
5775 (SPEC_32, SPEC_64): Define.
5776 (LINK_SPEC): Use them.
5777 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5779 2006-10-29 Richard Guenther <rguenther@suse.de>
5781 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5782 (ix86_expand_rounddf_32): Likewise.
5783 * config/i386/i386.c (ix86_expand_round): New function expanding
5784 round inline for SSE math and -fno-trapping-math and if not
5785 optimizing for size.
5786 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5787 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5788 round via ix86_expand_round.
5790 2006-10-29 Richard Guenther <rguenther@suse.de>
5792 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5793 (ix86_expand_floorceildf_32): Likewise.
5794 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5795 static helper function.
5796 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5798 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5799 * config/i386/i386.md (floordf2): Adjust to enable floor
5800 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5801 -fno-trapping-math is enabled and if not optimizing for size.
5802 (floorsf2, ceildf2, ceilsf2): Likewise.
5803 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5804 (sse2_maskcmpdf3): Likewise.
5806 2006-10-29 Richard Guenther <rguenther@suse.de>
5808 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5809 rint in case -fno-trapping-math is enabled.
5810 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5811 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5812 (ix86_expand_sse_fabs): Likewise.
5813 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5814 * config/i386/i386.md (rintdf2): Enable for SSE math if
5815 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5816 (rintsf2): Likewise.
5818 2006-10-29 Richard Guenther <rguenther@suse.de>
5820 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5821 to conversion optabs.
5822 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5823 as conversion optab.
5824 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5825 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5826 (lfloor_optab, lceil_optab): Adjust defines.
5827 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5828 lfloor and lceil optabs now being conversion optabs.
5829 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5830 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5831 New static helper function.
5832 (ix86_expand_lfloorceil): New function to expand lfloor and
5834 * config/i386/i386.md (lfloor<mode>2): Split into ...
5835 (lfloorxf<mode>2): ... x87 variant
5836 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5837 using ix86_expand_lfloorceil.
5838 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5840 * doc/md.texi (lfloorMN, lceilMN): Document.
5842 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5844 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5845 -mno-shared assembler option on mips targets.
5846 * configure, config.in: Regenerate.
5847 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5848 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5849 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5851 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5853 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5854 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5856 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5858 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5859 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5862 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5865 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5866 (fold_builtin_pow): Evaluate constant arguments at compile-time
5868 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5869 (do_mpfr_ckconv): New helper function.
5870 (do_mpfr_arg1): Use do_mpfr_ckconv.
5871 (do_mpfr_arg2): New.
5873 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5876 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5877 (-fdump-rtl-sched): Rename to ..
5878 (-fdump-rtl-sched1): here. Also fix file extension number.
5880 2006-10-28 Richard Guenther <rguenther@suse.de>
5882 * fold-const.c (maybe_canonicalize_comparison): Fix code
5885 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5887 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5888 (NON_QI_REG_P): Use IN_RANGE.
5889 (REX_INT_REGNO_P): Use IN_RANGE.
5890 (FP_REGNO_P): Use IN_RANGE.
5891 (SSE_REGNO_P): Use IN_RANGE.
5892 (REX_SSE_REGNO_P): Use IN_RANGE.
5893 (MMX_REGNO_P): Use IN_RANGE.
5894 (STACK_REGNO_P): New macro.
5895 (STACK_REG_P): Use STACK_REGNO_P.
5896 (NON_STACK_REG_P): Use STACK_REGNO_P.
5897 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5898 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5899 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5900 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5901 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5903 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5905 * except.h (output_function_exception_table): Add 'const char*' param.
5906 * except.c (switch_to_exception_section): Add 'const char*' param.
5907 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5908 and flag_function_sections is set, use a function-specific section.
5909 (output_function_exception_table): Add 'const char*' param.
5910 Adjust call to switch_to_exception_section.
5911 * final.c (rest_of_handle_final): Adjust calls to
5912 output_function_exception_table.
5913 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5914 * config.in: Regenerate.
5915 * configure: Likewise.
5917 2006-10-28 Richard Guenther <rguenther@suse.de>
5920 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5921 for maybe_canonicalize_comparison.
5922 (maybe_canonicalize_comparison): New function for canonicalizing
5924 (fold_comparison): Call it to canonicalize comparisons with
5927 2006-10-28 Richard Guenther <rguenther@suse.de>
5930 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5931 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5932 (expand_builtin): Adjust likewise.
5933 * genopinit.c (optabs[]): Add lround optab.
5934 * optabs.c (init_optabs): Initialize lround_optab.
5935 * optabs.h (enum convert_optab_index): Add COI_lround.
5936 (lround_optab): Define.
5937 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5938 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5940 (ix86_expand_lround): New function.
5941 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5943 * doc/md.texi (lroundMN2): Document.
5945 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5948 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5949 argument to HOST_WIDE_INT. Update function prototype.
5950 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5951 "size" argument to HOST_WIDE_INT. Update function prototype.
5953 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5955 * config/i386/i386.c (output_387_ffreep): Create output from a
5956 template string for !HAVE_AS_IX86_FFREEP.
5958 2006-10-27 Eric Christopher <echristo@apple.com>
5960 * config/darwin.c: Fix formatting and grammar.
5962 2006-10-27 Jan Hubicka <jh@suse.cz>
5964 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5965 to be thrown away soon when IGNORE is set.
5966 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5967 indicating when return value shall not be computed.
5968 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5970 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5972 * config/i386/i386.h (TARGET_GEODE):
5973 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5974 (TARGET_CPU_DEFAULT_geode): New macro.
5975 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5976 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5977 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5978 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5979 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5981 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5982 (processor_type): Add PROCESSOR_GEODE.
5984 * config/i386/i386.md: Include geode.md.
5987 * config/i386/i386.c (geode_cost): New initialized global
5989 (m_GEODE, m_K6_GEODE): New macros.
5990 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5991 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5992 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5993 x86_schedule): Use m_K6_GEODE instead of m_K6.
5994 (x86_movx, x86_cmove): Set up m_GEODE.
5995 (x86_integer_DFmode_moves): Clear m_GEODE.
5996 (processor_target_table): Add entry for geode.
5997 (processor_alias_table): Ditto.
5999 * config/i386/geode.md: New file.
6001 * doc/invoke.texi: Add entry about geode processor.
6003 2006-10-27 Mike Stump <mrs@apple.com>
6005 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6006 __DYNAMIC__ from here back to ...
6007 * config/darwin.h (CPP_SPEC): ... here.
6009 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6010 Nathan Sidwell <nathan@codesourcery.com>
6012 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6013 when choosing the minimum heapsize.
6015 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6017 * gcc/unwind-dw2.h: Move cfa-related variables into
6018 struct frame_state_reg_info to ensure that the CFA is properly
6019 handled when executing DW_CFA_{remember,restore}_state.
6020 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6021 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6022 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6023 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6024 gcc/config/rs6000/linux-unwind.h,
6025 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6026 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6027 Modify to use new cfa_* fields.
6029 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6031 * config/s390/s390.c (s390_init_frame_layout): Check positive
6034 2006-10-26 Ben Elliston <bje@au.ibm.com>
6036 * gimplify.c (get_name): Remove extraneous break.
6037 (gimplify_omp_for): Initialise ret with GS_OK.
6039 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6041 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6042 Add unix98.o to link line.
6044 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6047 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6048 Calculate compile-time constants using MPFR.
6049 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6050 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6052 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6054 * config/xtensa/lib2funcs.S: Use C-style comments.
6056 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6058 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6059 (file_table_relative_p): Likewise.
6060 (dwarf2out_finish): Likewise.
6061 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6063 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6065 * tree-ssa-structalias.c (intra_create_variable_infos):
6066 Don't recreate nonlocal_all if it already exists.
6068 2006-10-25 Richard Guenther <rguenther@suse.de>
6071 * optabs.h (enum optab_index): Remove OTI_lrint.
6072 (enum convert_optab_index): Add COI_lrint.
6073 (lrint_optab): Adjust.
6074 (expand_sfix_optab): Declare.
6075 * optabs.c (expand_sfix_optab): New function.
6076 (init_optabs): Init lrint_optab as conversion optab.
6077 * genopinit.c (lrint_optab): Change to a conversion optab.
6078 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6079 expansion via conversion optab.
6080 * config/i386/i386.md (*fistdi2_1): Remove
6081 flag_unsafe_math_optimizations guard.
6082 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6083 fist<mode>2_with_temp): Likewise.
6084 (lrint<mode>2): Split into...
6085 (lrintxf<mode>2): ... x87 part
6086 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6087 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6088 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6089 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6090 * doc/md.texi (lrintMN2): Document.
6092 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6095 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6096 Use inc and dec instructions for TARGET_USE_INCDEC.
6097 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6098 ("sync_double_compare_and_swap<mode>"): Likewise.
6099 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6100 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6101 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6102 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6103 ("sync_old_add<mode>"): Likewise.
6104 ("sync_lock_test_and_set<mode>"): Likewise.
6105 ("sync_lock_test_and_set<mode>"): Likewise.
6106 ("sync_add<mode>"): Likewise.
6107 ("sync_sub<mode>"): Likewise.
6108 ("sync_ior<mode>"): Likewise.
6109 ("sync_and<mode>"): Likewise.
6110 ("sync_xor<mode>"): Likewise.
6112 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6114 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6115 (remainder_optab): Define corresponding macro.
6116 (drem_optab): Remove.
6117 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6118 drem_optab initialization.
6119 * genopinit.c (optabs): Implement remainder_optab using
6120 remainder?f3 patterns. Remove drem_optab.
6121 * builtins.c (expand_builtin_mathfn_2): Handle
6122 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6123 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6124 expand_builtin_mathfn_2.
6126 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6127 depend on flag_unsafe_math_optimizations.
6129 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6130 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6131 Do not depend on flag_unsafe_math_optimizations. Use
6132 truncxf?f expander instead of truncxf?f_i387_noop.
6134 ("fpremxf4", "fprem1xf4"): Do not depend on
6135 flag_unsafe_math_optimizations.
6136 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6137 flag_unsafe_math_optimizations. Use truncxf?f expander
6138 instead of truncxf?f_i387_noop.
6140 * doc/md.texi (fmod, remainder): Document standard named pattern.
6142 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6143 David Daney <ddaney@avtrex.com>
6146 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6148 2006-10-25 Ben Elliston <bje@au.ibm.com>
6150 * doc/extend.texi (Variable Attributes): Typo fix.
6152 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6154 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6155 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6156 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6157 (FRAME_POINTER_REGNUM): Update register number to 21.
6158 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6159 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6161 * config/i386/i386.c (regclass_map): Add fpcr entry.
6162 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6164 (print_reg): Assert REGNO (x) != FPCR_REG.
6166 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6167 (DIRFLAG_REG): Renumber.
6168 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6169 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6170 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6171 hardcoded SSE register numbers.
6173 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6174 hardcoded MMX register numbers.
6176 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6179 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6180 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6182 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6183 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6184 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6185 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6187 2006-10-24 Richard Guenther <rguenther@suse.de>
6190 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6191 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6192 for deciding optimizations in consistency with fold-const.c
6193 (fold_builtin_unordered_cmp): Likewise.
6195 2006-10-24 Richard Guenther <rguenther@suse.de>
6197 * builtins.c (fold_builtin_floor): Fold floor (x) where
6198 x is nonnegative to trunc (x).
6199 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6200 nonnegative to FIX_TRUNC_EXPR.
6202 2006-10-24 Richard Guenther <rguenther@suse.de>
6204 PR tree-optimization/29567
6205 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6206 for TRUTH_NOT_EXPR. Clarify comments.
6208 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6211 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6212 at compile-time using MPFR. Change parameter VALUE to FUNC,
6214 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6215 for overflow and underflow at all times and avoid folding in
6218 2006-10-24 Ben Elliston <bje@au.ibm.com>
6220 * reload1.c: Formatting fixes.
6222 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6224 PR tree-optimization/14784
6225 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6226 * tree-ssa-structalias.c (get_constraint_for,
6227 intra_create_variable_infos): Set is_heapvar.
6228 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6229 non-heapvar pointer variables specially.
6231 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6234 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6235 fold_builtin_tan): Fold all constant arguments. Take a "type"
6236 argument as necessary.
6237 (do_mpfr_arg1): New.
6238 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6240 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6242 * config/xtensa/lib1funcs.asm: Use C-style comments.
6244 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6246 * tree.c (local_define_builtin): Replace calls to
6247 lang_hooks.builtin_function with add_builtin_function.
6248 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6250 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6252 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6253 common code to add_builtin_function.
6254 * langhooks.c (add_builtin_function): New function.
6255 (lhd_builtin_function): New function.
6256 * langhooks.h (struct lang_hooks): Change the signature of
6258 (add_builtin_function): New function.
6259 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6260 calls to lang_hooks.builtin_function with add_builtin_function.
6261 * c-common.c (decl_builtin_1): Replace calls to
6262 lang_hooks.builtin_function with add_builtin_function.
6263 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6264 lang_hooks.builtin_function with add_builtin_function.
6265 * config/frv/frv.c (def_builtin): Replace calls to
6266 lang_hooks.builtin_function with add_builtin_function.
6267 * config/s390/s390.c (s390_init_builtins): Replace calls to
6268 lang_hooks.builtin_function with add_builtin_function.
6269 * config/sparc/sparc.c (def_builtin): Replace calls to
6270 lang_hooks.builtin_function with add_builtin_function.
6271 * config/i386/i386.c (def_builtin): Replace calls to
6272 lang_hooks.builtin_function with add_builtin_function.
6273 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6274 lang_hooks.builtin_function with add_builtin_function.
6275 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6276 lang_hooks.builtin_function with add_builtin_function.
6277 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6278 Replace calls to lang_hooks.builtin_function with
6279 add_builtin_function.
6280 * config/iq2000/iq2000.c (def_builtin):
6281 Replace calls to lang_hooks.builtin_function with
6282 add_builtin_function.
6283 * config/ia64/ia64.c (def_builtin): Replace calls to
6284 lang_hooks.builtin_function with add_builtin_function.
6285 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6286 lang_hooks.builtin_function with add_builtin_function.
6287 (altivec_init_builtins): Replace calls to
6288 lang_hooks.builtin_function with add_builtin_function.
6289 * config/arm/arm.c (def_mbuiltin): Replace calls to
6290 lang_hooks.builtin_function with add_builtin_function.
6291 (arm_init_tls_builtins): Replace calls to
6292 lang_hooks.builtin_function with add_builtin_function.
6293 * config/mips/mips.c (mips_init_builtins): Replace calls to
6294 lang_hooks.builtin_function with add_builtin_function.
6295 * config/bfin/bfin.c (def_builtin): Replace calls to
6296 lang_hooks.builtin_function with add_builtin_function.
6297 * langhooks-def.h (lhd_builtin_function): New function.
6298 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6300 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6302 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6303 BUILT_IN_STRNCAT_CHK.
6305 2006-10-23 Jan Hubicka <jh@suse.cz>
6307 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6308 don't do conversion from memmove to memcpy here.
6309 (expand_builtin_bcopy, expand_builtin): Update call of
6310 expand_builtin_memmove.
6311 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6313 2006-10-23 Paul Brook <paul@codesourcery.com>
6315 * stor-layout.c (start_record_layout): maximum_field_alignment
6316 overrides STRUCTURE_SIZE_BOUNDARY.
6318 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6320 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6321 nonlocal function symbols if flag_pic.
6323 2006-10-23 Richard Guenther <rguenther@suse.de>
6327 * builtins.c (fold_binary): Remove checks for flag_wrapv
6328 and flag_trapv where negate_expr_p covers these cases.
6330 2006-10-23 Richard Guenther <rguenther@suse.de>
6333 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6334 of two on the absolute value.
6335 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6336 and negating -C does not overflow.
6338 2006-10-23 Richard Guenther <rguenther@suse.de>
6341 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6342 only if not flag_rounding_math.
6344 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6345 Kaz Kojima <kkojima@gcc.gnu.org>
6348 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6349 SImode memory reference for the source of a movua.
6350 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6351 (movua): Use an unspec instead of sign_extract. Expect the source
6352 to have mode BLKmode.
6353 (extv, insv): Use a BLKmode rather than SImode memory reference
6354 for the source of a movua.
6356 2006-10-22 Jeff Law <law@redhat.com>
6357 Richard Guenther <rguenther@suse.de>
6359 PR tree-optimization/15911
6360 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6361 (register_edge_assert_for_1): Likewise.
6362 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6363 (find_conditional_asserts): Adjust for new function signature.
6364 (find_assert_locations): Likewise.
6366 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6368 * config/i386/tmmintrin.h: Remove the duplicated content.
6370 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6372 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6373 (x86_64-*-*): Likewise.
6375 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6376 (override_options): Check SSSE3.
6377 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6378 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6379 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6380 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6381 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6382 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6383 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6384 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6385 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6386 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6387 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6388 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6389 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6390 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6391 IX86_BUILTIN_PABSD128.
6392 (bdesc_2arg): Add SSSE3.
6393 (bdesc_1arg): Likewise.
6394 (ix86_init_mmx_sse_builtins): Support SSSE3.
6395 (ix86_expand_builtin): Likewise.
6396 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6398 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6399 (UNSPEC_PSIGN): Likewise.
6400 (UNSPEC_PALIGNR): Likewise.
6401 Include mmx.md before sse.md.
6403 * config/i386/i386.opt: Add -mssse3.
6405 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6406 (ssse3_phaddwv4hi3): Likewise.
6407 (ssse3_phadddv4si3): Likewise.
6408 (ssse3_phadddv2si3): Likewise.
6409 (ssse3_phaddswv8hi3): Likewise.
6410 (ssse3_phaddswv4hi3): Likewise.
6411 (ssse3_phsubwv8hi3): Likewise.
6412 (ssse3_phsubwv4hi3): Likewise.
6413 (ssse3_phsubdv4si3): Likewise.
6414 (ssse3_phsubdv2si3): Likewise.
6415 (ssse3_phsubswv8hi3): Likewise.
6416 (ssse3_phsubswv4hi3): Likewise.
6417 (ssse3_pmaddubswv8hi3): Likewise.
6418 (ssse3_pmaddubswv4hi3): Likewise.
6419 (ssse3_pmulhrswv8hi3): Likewise.
6420 (ssse3_pmulhrswv4hi3): Likewise.
6421 (ssse3_pshufbv16qi3): Likewise.
6422 (ssse3_pshufbv8qi3): Likewise.
6423 (ssse3_psign<mode>3): Likewise.
6424 (ssse3_psign<mode>3): Likewise.
6425 (ssse3_palignrti): Likewise.
6426 (ssse3_palignrdi): Likewise.
6427 (abs<mode>2): Likewise.
6428 (abs<mode>2): Likewise.
6430 * config/i386/tmmintrin.h: New file.
6432 * doc/extend.texi: Document SSSE3 built-in functions.
6434 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6436 2006-10-22 Ira Rosen <irar@il.ibm.com>
6438 * tree-vect-transform.c (vectorizable_load): Use the type of the
6439 return value of the mask_for_load builtin to create realign_load
6442 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6444 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6447 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6449 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6450 (UNSPEC_LDDQU): This.
6451 * config/i386/sse.md (sse3_lddqu): Updated.
6453 2006-10-21 Richard Guenther <rguenther@suse.de>
6455 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6456 (expand_builtin): Use it to expand lrint instead of
6457 expand_builtin_mathfn.
6459 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6462 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6463 flag_unsafe_math_optimizations is set.
6465 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6468 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6469 patterns to use memory input operand in x87->mem->XMM
6470 reload sequences. Skip transformation for TARGET_K8.
6472 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6474 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6475 force operand1 to register if both operands are memory operands.
6476 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6477 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6478 if both operands are memory operands.
6479 (truncdfsf2): Do not force operand1 to register if both operands
6480 are memory operands.
6482 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6484 * Makefile.in (LIBS): Add $(GMPLIBS).
6485 * doc/install.texi: Update GMP and MPFR requirements.
6486 * doc/sourcebuild.texi (need_gmp): Delete.
6488 2006-10-21 Richard Guenther <rguenther@suse.de>
6490 PR tree-optimization/3511
6491 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6492 got new invariant arguments during PHI translation.
6494 2006-10-21 Richard Guenther <rguenther@suse.de>
6497 * fold-const.c (fold_comparison): Fold signed comparisons
6498 of the form X +- C1 CMP Y +- C2.
6500 2006-10-21 Richard Guenther <rguenther@suse.de>
6503 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6504 if flag_unsafe_math_optimizations is specified. We have
6505 flag_finite_math_only for that.
6506 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6507 or flag_unsafe_math_optimizations.
6509 2006-10-21 Richard Guenther <rguenther@suse.de>
6511 * builtins.c (fold_builtin_classify): Fix typo.
6513 2006-10-21 Richard Guenther <rguenther@suse.de>
6516 * simplify-rtx.c (simplify_const_relational_operation):
6517 Do not constant-fold ORDERED and UNORDERED for
6518 flag_unsafe_math_optimizations but only we do not need to
6519 honor NaNs for the given mode.
6521 2006-10-21 Richard Guenther <rguenther@suse.de>
6524 * config/i386/i386.c (classify_argument): Remove redundant
6525 walking of the BINFOs.
6526 (contains_128bit_aligned_vector_p): Likewise.
6528 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6530 * BASE-VER: Set to 4.3.0.
6532 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6534 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6535 (tree_decl_with_vis): Remove artificial_pta_var flag.
6536 * tree-flow.h (referenced_var_check_and_insert): Expose.
6537 (nonlocal_all): New prototype.
6538 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6539 (nonlocal_all): Make global.
6540 (nonlocal_lookup): Remove.
6541 (nonlocal_insert): Ditto.
6542 (create_nonlocal_var): Do not call nonlocal_insert.
6543 (get_nonlocal_id_for_type): Remove.
6544 (find_global_initializers): Mark new vars we find for renaming.
6545 (intra_create_variable_infos): Only create one nonlocal.
6546 (expand_nonlocal_solutions): Remove.
6547 (compute_points_to_sets): Don't call it.
6548 (ipa_pta_execute): Ditto.
6549 (init_alias_heapvars): Don't create nonlocal_for_type.
6550 (delete_alias_heapvars): Don't remove it.
6551 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6554 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6556 * doc/install.texi (Downloading GCC): Clarify mention of
6557 Fortran in the "full distribution" description.
6559 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6561 Fix PR tree-optimization/28778
6562 Fix PR tree-optimization/29156
6563 Fix PR tree-optimization/29415
6564 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6565 (tree_decl_with_vis): Add artificial_pta_var flag.
6566 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6567 pushed into callers.
6568 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6569 (nonlocal_all): Ditto.
6570 (struct variable_info): Add directly_dereferenced member.
6571 (var_escaped_vars): New variable.
6572 (escaped_vars_tree): Ditto.
6573 (escaped_vars_id): Ditto.
6574 (nonlocal_vars_id): Ditto.
6575 (new_var_info): Set directly_dereferenced.
6576 (graph_size): New variable
6577 (build_constraint_graph): Use graph_size.
6578 (solve_graph): Don't process constraints that cannot change the
6579 solution, don't try to propagate an empty solution to our
6581 (process_constraint): Set directly_dereferenced.
6582 (could_have_pointers): New function.
6583 (get_constraint_for_component_ref): Don't process STRING_CST.
6584 (nonlocal_lookup): New function.
6585 (nonlocal_insert): Ditto.
6586 (create_nonlocal_var): Ditto.
6587 (get_nonlocal_id_for_type): Ditto.
6588 (get_constraint_for): Allow results vector to be empty in the case
6589 of string constants.
6590 Handle results of calls properly.
6591 (update_alias_info): Update alias info stats on number and type of
6593 (find_func_aliases): Use could_have_pointers.
6594 (make_constraint_from_escaped): Renamed from
6595 make_constraint_to_anything, and changed to make constraints from
6597 (make_constraint_to_escaped): New function.
6598 (find_global_initializers): Ditto.
6599 (create_variable_info_for): Make constraint from escaped to any
6600 global variable, and from any global variable to the set of
6602 (intra_create_variable_infos): Deal with escaped instead of
6603 pointing to anything.
6604 (set_uids_in_ptset): Do type pruning on directly dereferenced
6606 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6607 (init_base_vars): Fix comment, and initialize escaped_vars.
6608 (need_to_solve): Removed.
6609 (find_escape_constraints): New function.
6610 (expand_nonlocal_solutions): Ditto.
6611 (compute_points_to_sets): Call find_escape_constraints and
6612 expand_nonlocal_solutions.
6613 (delete_points_to_sets): Don't fall off the end of the graph.
6614 (init_alias_heapvars): Initialize nonlocal_for_type and
6616 (delete_alias_heapvars): Free nonlocal_for_type and null out
6619 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6621 * fold-const.c (add_double): Rename to add_double_with_sign.
6622 Add 'unsigned_p' parameter and take it into account for the overflow.
6623 (mul_double): Rename to mul_double_with_sign.
6624 Add 'unsigned_p' parameter and take it into account for the overflow.
6625 (fold_div_compare): Call add_double_with_sign instead of add_double
6626 and mul_double_with_sign instead of mul_double, passing them the
6627 unsignedness of the type.
6628 * tree.h (add_double): Macroize.
6629 (add_double_with_sign): New prototype.
6630 (mul_double): Macroize.
6631 (mul_double_with_sign): New prototype.
6633 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6635 * config/score/crti.asm: New file.
6636 * config/score/crtn.asm: New file.
6637 * config/score/elf.h: New file.
6638 * config/score/mac.md: New file.
6639 * config/score/misc.md: New file.
6640 * config/score/mul-div.S: New file.
6641 * config/score/predicates.md: New file.
6642 * config/score/score7.md: New file.
6643 * config/score/score.c: New file.
6644 * config/score/score-conv.h: New file.
6645 * config/score/score.h: New file.
6646 * config/score/score.md: New file.
6647 * config/score/score-mdaux.c: New file.
6648 * config/score/score-mdaux.h: New file.
6649 * config/score/score-modes.def: New file.
6650 * config/score/score.opt: New file.
6651 * config/score/score-protos.h: New file.
6652 * config/score/score-version.h: New file.
6653 * config/score/t-score-elf: New file.
6654 * config.gcc: Add score*-*-* configurations(Update before).
6655 * doc/invoke.texi (Score Options): New section.
6656 * doc/md.texi (Score family): New section to document constraints.
6658 2006-10-19 Nick Clifton <nickc@redhat.com>
6660 * config/arm/arm.c: Fix spelling typo.
6662 2006-10-18 Tom Tromey <tromey@redhat.com>
6664 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6666 2006-10-18 Jan Hubicka <jh@suse.cz>
6669 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6672 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6674 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6675 TSI_SAME_STMT, since that's the desired entity.
6677 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6679 * config/s390/contraints.md: New file.
6680 * config/s390/s390-protos.h (s390_mem_constraint,
6681 s390_O_constraint_str, s390_N_constraint_str,
6682 s390_float_const_zero_p): Function prototypes added.
6683 * config/s390/s390.c (s390_extra_constraint_str,
6684 s390_const_double_ok_for_constraint_p,
6685 s390_const_ok_for_constraint_p): Functions removed.
6686 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6687 s390_float_const_zero_p): New functions.
6688 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6689 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6690 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6691 Macro definitions removed.
6692 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6693 s390_extra_constraint_str): Functions removed.
6695 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6696 Richard Sandiford <richard@codesourcery.com>
6699 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6700 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6702 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6704 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6705 (DWARF2_FRAME_REG_OUT): Likewise.
6706 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6707 (DWARF2_FRAME_REG_OUT): Likewise.
6709 2006-10-17 Paul Brook <paul@codesourcery.com>
6711 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6713 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6715 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6716 Standardize on "GNU Fortran" as the official name of the Fortran
6719 2006-10-16 Mike Stump <mrs@apple.com>
6721 * doc/invoke.texi (Darwin Options): Document -mkernel.
6722 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6724 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6725 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6726 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6727 (OS_MISSING_ALTIVEC): Add.
6728 * config/i386/i386.c (override_options): Add
6729 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6730 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6731 -mkernel, -static or -mdynamic-no-pic is given.
6732 (C_COMMON_OVERRIDE_OPTIONS): Add.
6733 * config/darwin.opt (fapple-kext): Add.
6735 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6736 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6738 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6739 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6740 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6741 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6742 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6743 (flag_mkernel): Add.
6744 (flag_apple_kext): Add.
6745 (TARGET_KEXTABI): Add.
6746 * config/darwin.c (darwin_handle_kext_attribute): Add.
6747 (DARWIN_VTABLE_P): Add.
6748 (darwin_binds_local_p): Add partial support for rebinding vtables
6750 (darwin_kextabi_p): Add.
6751 (darwin_override_options): Add.
6752 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6753 (darwin_kextabi_p): Add.
6754 (darwin_override_options): Add.
6755 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6756 __DYNAMIC__ and __STATIC__ here.
6758 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6760 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6761 Added mention of "make pdf" target, and Texinfo requirements for
6764 2006-10-16 DJ Delorie <dj@redhat.com>
6766 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6767 into the GOT in case we need a subreg of the address.
6769 2006-10-16 Richard Guenther <rguenther@suse.de>
6772 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6773 SSE builtin documentation. Document SSE2 builtins.
6775 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6777 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6778 symbol in the output file for non-shared links when -nostdlib or
6779 -nodefaultlibs isn't specified.
6781 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6782 posix thread support.
6784 2006-10-15 Jan Hubicka <jh@suse.cz>
6787 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6788 declared always_inline even when not inlining.
6790 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6791 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6792 Andrew Pinski <pinskia@gmail.com>
6795 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6797 2006-10-15 Jan Hubicka <jh@suse.cz>
6798 Richard Guenther <rguenther@suse.de>
6801 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6802 process_function_and_variable_attributes on all variables, including
6803 those discovered during cgraph construction phase.
6805 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6807 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6809 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6811 * config/i386/athlon.md (athlon_fist): Add fisttp.
6813 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6814 Ian Lance Taylor <ian@airs.com>
6817 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6818 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6821 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6823 * config/score/score.c, config/score/score.h: Fix comment
6826 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6829 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6832 2006-10-13 Eric Christopher <echristo@apple.com>
6834 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6836 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6839 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6840 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6841 alignment supported by 32-bit ELF.
6843 2006-10-13 Eric Christopher <echristo@apple.com>
6845 * config/darwin.c (darwin_emit_unwind_label): Strip
6846 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6848 2006-10-13 Richard Guenther <rguenther@suse.de>
6850 PR tree-optimization/29446
6851 * tree-vrp.c (fix_equivalence_set): Remove.
6852 (extract_range_from_assert): Do not call fix_equivalence_set.
6853 (debug_value_range): Print a newline.
6854 (compare_name_with_value): For equivalence sets with
6855 inconsistent value ranges conservatively bail out.
6856 (compare_names): Likewise.
6858 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6860 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6861 and MPFR for gfortran.
6863 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6865 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6866 alignment supported by 32-bit ELF.
6868 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6872 * c-typeck.c (digest_init): Always allow initializing vectors
6873 that have static storage duration with compound literals.
6874 * tree.c (build_type_attribute_qual_variant): New, based on
6875 build_type_attribute_variant.
6876 (build_type_attribute_variant): Rewrite using the former.
6877 (make_vector_type): Use build_type_attribute_qual_variant to build
6878 type variants. Use type_hash_canon on the others.
6880 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6881 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6883 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6885 2006-10-12 Jan Hubicka <jh@suse.cz>
6888 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6889 current_function_decl is set but current_function_scope is not.
6891 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6893 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6894 emit_insn to emit eh_return_internal instruction.
6895 (eh_return_internal): Explicitly set pc.
6897 2006-10-11 Richard Guenther <rguenther@suse.de>
6899 PR tree-optimization/28230
6900 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6901 to the correct place.
6903 2006-10-11 Richard Guenther <rguenther@suse.de>
6906 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6909 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6911 * configure.ac: Added pdf to "Make-hooks"
6912 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6913 targets and *.pdf file patterns in cleanup targets.
6914 * configure: Regenerated.
6916 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6918 * config/avr/predicates.md: New file.
6919 * config/avr/avr.md: Include it.
6920 (REG_SP): New constant.
6921 (peepholes): Use predicates.
6922 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6923 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6924 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6926 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6928 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6931 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6934 * builtins.c (var_decl_component_p): New function.
6935 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6936 single entry optimization to variables and components thereof.
6938 2006-10-10 Richard Guenther <rguenther@suse.de>
6940 PR rtl-optimization/29323
6941 * except.c (set_nothrow_function_flags): For functions
6942 that do not bind local bail out early.
6944 2006-10-10 Ben Elliston <bje@au.ibm.com>
6946 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6949 2006-10-09 Richard Henderson <rth@redhat.com>
6951 Revert emutls patch.
6953 2006-10-09 Richard Guenther <rguenther@suse.de>
6956 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6959 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6962 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6963 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6964 * configure: Regenerate.
6965 * config.in: Regenerate.
6967 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6969 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6971 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6973 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6974 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6975 Remove stray newline.
6977 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6979 * config/mips/mips.c (mips_classify_symbol): Do not return
6980 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6981 (mips_in_small_data_p): Tweak comments.
6983 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6985 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6987 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6989 * gimplify.c, sched-int.h: Fix comment typos.
6991 * sched-int.h: Fix comment typos.
6993 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6995 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6997 * sched-ebb.c (begin_schedule_ready): Use them.
6998 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6999 add_to_speculative_block, create_check_block_twin, speculate_insn,
7000 fix_jump_move, move_block_after_check): Ditto.
7001 * sched-rgn.c (new_ready): Ditto.
7003 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7005 PR rtl-optimization/29128
7006 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7007 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7008 allow interblock movement of speculation checks.
7010 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7013 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7014 casted to integer type.
7015 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7016 if they are significantly more expensive than [reg + index] ones.
7018 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7020 PR tree-optimization/29330
7021 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7022 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7023 on newly allocated ddrs.
7024 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7025 to VEC (loop_p, heap) pointer.
7026 (compute_data_dependences_for_loop): Adjust caller.
7027 (free_dependence_relations): Free DDR_LOOP_NEST.
7029 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7030 free DEPENDENCE_RELATIONS and DATAREFS.
7033 * builtins.c (expand_builtin_sync_operation,
7034 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7035 Use convert_to_mode to handle promoted arguments.
7037 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7039 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7041 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7043 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7045 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7047 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7048 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7049 Use <modeconstraint> instead of "r" as operand 1 constraint.
7051 2006-10-06 Olivier Hainque <hainque@adacore.com>
7053 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7054 Don't recurse on the pointed-to type.
7055 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7056 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7057 types with components of variable size.
7059 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7061 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7063 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7065 PR tree-optimization/29290
7066 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7070 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7071 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7074 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7075 the number of vector elements fill the rest with zeros.
7077 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7079 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7080 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7083 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7085 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7086 unnamed pattern into subsi3. Use correct constraints/predicates.
7087 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7088 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7090 2006-10-05 Ira Rosen <irar@il.ibm.com>
7092 * doc/loop.texi: Add data references analysis description.
7094 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7096 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7098 2006-10-04 Richard Henderson <rth@redhat.com>
7099 Jakub Jelinek <jakub@redhat.com>
7101 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7102 * builtin-types.def (BT_WORD): Make unsigned.
7103 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7104 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7105 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7106 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7107 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7108 * cgraph.c (decide_is_variable_needed): Look at force_output.
7109 Recurse for emulated tls.
7110 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7111 checks redundant with decide_is_variable_needed.
7112 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7113 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7115 * expr.c (emutls_var_address): New.
7116 (expand_expr_real_1): Expand emulated tls.
7117 (expand_expr_addr_expr_1): Likewise.
7118 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7119 * output.h (emutls_finish): Declare.
7120 * toplev.c (compile_file): Call it.
7121 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7122 address before wrapping in CONST.
7123 * varasm.c (emutls_htab, emutls_object_type): New.
7124 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7125 (get_emutls_object_name, get_emutls_object_type): New.
7126 (get_emutls_init_templ_addr, emutls_decl): New.
7127 (emutls_common_1, emutls_finish): New.
7128 (assemble_variable): When emulating tls, swap decls; generate
7129 constructor for the emutls objects.
7130 (do_assemble_alias): When emulating tls, swap decl and target name.
7131 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7133 * emutls.c: New file.
7134 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7135 tls_object for real tls.
7137 2006-10-04 Zack Weinberg <zackw@panix.com>
7139 Fix bug in constraint-check generator, reported by Rask Ingemann
7141 * genpreds.c (add_constraint): Don't remove anything from the
7143 (write_tm_constrs_h): Detect whether "op" argument is used, and
7144 mark it ARG_UNUSED if it isn't.
7145 (write_insn_const_int_ok_for_constraint): Skip the part of the
7146 expression that would test whether "op" (which is not available
7147 here) is a CONST_INT.
7149 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7152 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7154 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7156 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7157 current Leopard versions.
7158 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7160 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7162 * doc/install.texi: Fix typos.
7164 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7166 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7167 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7168 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7170 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7172 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7173 arg to be struct mach_header_64* instead.
7175 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7178 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7179 side effects after the outer expression's post side effects.
7181 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7183 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7184 comments to reflect actual behavior and relationship between
7185 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7187 * doc/c-tree.texi (Working with declarations): Fix documentation
7188 of FIELD_DECL likewise.
7190 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7193 * doc/extend.texi: Add used variable attribute description.
7195 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7198 * c.opt (Woverride-init): New.
7199 * c-opts.c (c_common_post_options): Default warn_override_init to
7201 * c-typeck.c (add_pending_init, output_init_element): Warn for
7202 overriding initializers without side effects.
7203 * doc/invoke.texi (-Woverride-init): Document.
7206 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7208 PR rtl-optimization/28096
7209 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7210 assignment has already been used as a destination earlier in the block.
7212 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7214 * builtins.c (expand_builtin_setjmp): Delete.
7215 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7216 <BUILT_IN_SETJMP_SETUP>: New case.
7217 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7218 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7219 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7220 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7221 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7222 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7223 (lower_function_body): Initialize it to false. If it is set to true
7224 at the end of the processing, emit the setjmp dispatcher.
7225 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7226 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7227 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7228 on the rhs of the assignment.
7229 (lower_builtin_setjmp): New function.
7230 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7231 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7232 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7233 to detect calls that can go to non-local labels. Use specific
7234 helper to create the abnormal edges associated with them.
7235 <MODIFY_EXPR>: Likewise.
7236 (make_abnormal_goto_edges): New function extracted from...
7237 (make_goto_expr_edges): ...here. Call it for computed gotos.
7238 (simple_goto_p): Minor tweak.
7239 (tree_can_make_abnormal_goto): New predicate.
7240 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7241 (tree_purge_dead_abnormal_call_edges): New function.
7242 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7243 (tree_purge_dead_abnormal_call_edges): Likewise.
7244 (make_abnormal_goto_edges): Likewise.
7245 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7246 Purge all dead abnormal edges if the call was in the last statement.
7247 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7248 (execute_fixup_cfg): If there are non-local labels in the function,
7249 scan the basic blocks and split them at calls that can go to non-local
7250 labels or add missing abnormal call edges. Write down the CFG in the
7252 (pass_fixup_cfg): Remove TODO_dump_func flag.
7253 * unwind-sjlj.c: Poison setjmp.
7254 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7255 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7256 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7257 (DONT_USE_BUILTIN_SETJMP): Document it.
7259 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7262 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7263 to 1 when __ppc64__ is defined.
7264 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7266 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7268 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7270 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7271 * config/ia64/unwind-hpux.c: Delete.
7273 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7275 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7276 on the element before gimplifying it, instead of punting if it is of
7279 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7281 * doc/loop.texi: New file.
7282 * doc/gccint.texi: Reference loop.texi.
7283 * Makefile.in (loop.texi): Add.
7285 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7287 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7289 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7290 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7292 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7294 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7296 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7298 * doc/install.texi: Document required versions of GMP and MPFR.
7300 2006-09-27 Paul Brook <paul@codesourcery.com>
7303 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7305 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7307 * reload1.c (alter_reg): Require the alignment of the stack slot to
7308 be at least reg_max_ref_width bytes.
7309 (scan_paradoxical_subregs): Record the largest width in
7312 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7316 * tree-nested.c (struct nesting_info): Added static_chain_added.
7317 (convert_call_expr): Set static_chain_added when adding static
7318 chain. Handle OMP_PARALLEL and OMP_SECTION.
7320 2006-09-25 Matthias Klose <doko@debian.org>
7322 * doc/invoke.texi: Add missing full stop.
7324 2006-09-25 Richard Henderson <rth@redhat.com>
7326 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7327 before cgraph_function_flags_ready.
7329 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7330 Adam Nemet <anemet@caviumnetworks.com>
7332 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7333 determine_common_wider_type): New functions.
7334 (get_computation_aff): Use them to simplify arithmetic between
7335 UBASE and CBASE if they are shortened from the same type.
7337 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7340 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7341 -2147483647 - 1 instead of 0x80000000.
7343 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7345 * flags.h (HONOR_NANS): Fix typo in comment.
7347 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7349 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7351 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7355 * tree.c (merge_attributes, attribute_list_contained): If both
7356 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7358 * c-typeck.c (comptypes_internal): Don't consider aggregates
7359 in different TUs as compatible if there one set of attributes is
7360 not a subset of the other type's attributes.
7361 (composite_type): Try harder not to create a new aggregate type.
7363 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7365 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7366 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7367 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7368 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7369 than replicating condition above.
7370 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7372 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7373 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7374 the linker by default.
7376 2006-09-22 Mike Stump <mrs@apple.com>
7378 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7381 2006-09-22 Richard Guenther <rguenther@suse.de>
7384 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7385 sort of stack variables stable.
7387 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7390 * explow.c (force_reg): Set REG_POINTER flag according to
7393 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7395 PR tree-optimization/28888
7396 * tree-if-conv.c (combine_blocks): Rewritten.
7397 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7398 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7400 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7402 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7405 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7407 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7409 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7411 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7413 2006-09-21 Roger Sayle <roger@eyesopen.com>
7416 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7417 dw_fde_current_label, to be the start of the function, i.e. the same
7418 value as dw_fde_begin.
7420 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7422 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7423 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7424 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7425 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7426 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7427 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7428 (abs<mode>2, neg<mode>2): Likewise.
7429 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7430 (*mips_abs_ps): New define_insn.
7432 2006-09-20 Josh Conner <jconner@apple.com>
7435 * calls.c (expand_call): Allow reuse of structure return stack
7438 2006-09-20 Paul Brook <paul@codesourcery.com>
7440 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7443 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7445 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7446 clean up terminology.
7448 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7451 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7452 with tablejumps in them.
7454 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7457 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7458 wrap it into TARGET_EXPR.
7460 2006-09-20 Eric Christopher <echristo@apple.com>
7462 * config/i386/i386.c (x86_fisttp): Remove.
7463 * config/i386/i386.h (x86_fisttp): Ditto.
7464 (TARGET_FISTTP): Ditto.
7466 2006-09-19 Eric Christopher <echristo@apple.com>
7468 * doc/tm.texi (OBJC_JBLEN): Describe.
7469 * config/i386/darwin.h (OBJC_JBLEN): Define.
7470 * config/rs6000/darwin.h: Ditto.
7472 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7474 PR rtl-optimization/21299
7475 * reload1.c (reload): Purge invalid ASMs in the final pass.
7477 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7480 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7481 pointers as legitimate constants.
7483 2006-09-19 Paul Brook <paul@codesourcery.com>
7486 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7488 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7490 PR tree-optimization/28887
7491 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7492 component parts from the reference.
7493 (gather_memory_references_ref): Record the reference without the
7494 nonaddressable component parts.
7496 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7499 * c-opts.c (c_common_handle_option): Ignore the -std options
7500 if the input language is assembly.
7502 2006-09-17 Ira Rosen <irar@il.ibm.com>
7505 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7507 (ptr_ptr_may_alias_p): Likewise.
7508 (record_record_differ_p): New function.
7509 (base_object_differ_p): Call record_record_differ_p.
7511 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7514 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7515 away for the expr argument.
7517 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7520 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7521 before using it for dumping after vectorizing loops.
7523 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7524 Jack Howarth <howarth@bromo.med.uc.edu>
7527 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7528 skip on error_mark_node.
7529 (rs6000_darwin64_record_arg_recurse): Likewise.
7531 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7533 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7534 * doc/rtl.texi: Remove related documentation.
7536 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7538 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7541 2006-09-15 Jim Wilson <wilson@specifix.com>
7543 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7544 Handle symbol offsets same as they are handled in ia64_expand_move
7547 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7549 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7550 Add forgotten parameter to the fprintf call.
7552 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7554 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7556 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7558 * doc/contrib.texi: Add my entry.
7560 2006-09-15 Nick Clifton <nickc@redhat.com>
7562 * doc/md.texi (Processor pipeline description): Fix typo in
7563 example of how to use the absence_set directive and reword the
7564 description to make it slightly easier to read.
7566 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7568 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7569 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7570 expanding the number of iterations.
7571 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7573 * cfgrtl.c (emit_insn_at_entry): New function.
7574 * rtl.h (emit_insn_at_entry): Declare it.
7575 * integrate.c (emit_initial_value_sets): Use it.
7577 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7579 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7581 (struct loop_work and related VEC declarations): Delete.
7582 (bfin_dump_loops): Print out new member bad.
7583 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7584 (bfin_scan_loop): Don't recurse.
7585 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7586 loops. No longer need to update outer loops if the current one is
7587 found bad. Move some validitiy checks to bfin_discover_loop.
7588 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7589 but changed not to check for nesting. Also changed to use the new bad
7591 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7592 time. Use bitmap based test to discover loop nesting.
7594 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7596 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7599 2006-09-14 Richard Guenther <rguenther@suse.de>
7600 Kazu Hirata <kazu@codesourcery.com>
7602 PR middle-end/28884.
7603 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7604 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7605 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7606 with TARGET_FUNCTION_VALUE.
7608 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7611 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7613 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7615 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7618 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7621 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7624 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7626 * basic_block.h (bb_has_eh_pred): Fix comment.
7628 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7630 * flow.c (calculate_global_regs_live): Invalidate eh registers
7631 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7632 (propagate_block): Handle eh registers as if they were set at basic
7634 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7636 * global.c (global_conflicts): Make eh registers to conflict with
7637 pseudos live at basic block begin.
7638 * basic_block.h (bb_has_eh_pred): New function.
7640 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7642 PR rtl-optimization/28982
7643 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7644 index of a PRE_MODIFY or POST_MODIFY address.
7645 * reload1.c (inc_for_reload): Use find_replacement on the original
7646 base and index registers.
7648 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7650 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7651 for -Os. Update __m128 alignment requirement.
7653 2006-09-13 Jan Hubicka <jh@suse.cz>
7655 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7657 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7659 PR rtl-optimization/28243
7660 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7661 the insn to which the note was originally attached.
7663 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7664 Roger Sayle <roger@eyesopen.com>
7666 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7667 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7668 on platforms that don't use dwarf for debug info.
7670 2006-09-12 Jason Merrill <jason@redhat.com>
7673 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7674 hard_frame_pointer_rtx after using it to update the frame pointer.
7676 2006-09-12 Roger Sayle <roger@eyesopen.com>
7678 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7679 (TARGET_ASM_CLOSE_PAREN): Likewise.
7680 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7681 (TARGET_ASM_CLOSE_PAREN): Likewise.
7683 2006-09-12 Roger Sayle <roger@eyesopen.com>
7686 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7687 frame information for frames larger than 512 Kbytes on Tru64 when
7688 using the native assembler.
7690 2006-09-12 Roger Sayle <roger@eyesopen.com>
7694 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7695 and symbols. Instead use the implementation from cse.c's hash_rtx.
7697 2006-09-12 Jan Hubicka <jh@suse.cz>
7699 PR rtl-optimization/28071
7700 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7701 (vect_transform_loop): Likewise.
7702 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7703 (new_loop_vec_info): Likewise.
7704 (destroy_loop_vec_info): Likewise.
7705 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7706 (create_stmt_ann): Likewise.
7707 (create_tree_ann): Rename to ...
7708 (create_tree_common_ann): ... this one; allocate only the common part
7710 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7711 (get_value_handle): Likewise.
7712 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7713 get_tree_common_ann.
7714 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7715 (vinfo_for_stmt): Use stmt annotations.
7716 * tree-flow.h (tree_ann_common_t): New type.
7717 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7718 (tree_ann, get_tree_ann, create_tree_ann): New.
7719 * tree-flow-inline.h (get_function_ann): Do more type checking.
7720 (stmt_ann): Likewise.
7721 (tree_ann): Rename to ...
7722 (tree_common_ann): ... this one; return ony common_ann
7723 (get_tree_ann): Rename to ...
7724 (tree_common_ann): This one; return only common_ann.
7725 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7728 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7730 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7731 with_cpu by default.
7733 * dwarf2out.c (dwarf_file_data): New.
7734 (enum dw_val_class): Add dw_val_class_file.
7735 (struct dw_val_struct): Add val_file.
7736 (file_table): Change to a hash table.
7737 (file_table_emitted): Delete.
7738 (file_table_last_lookup_index): Delete.
7739 (emitcount): Delete.
7740 (last_emitted_file): New.
7741 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7742 (init_file_table): Delete.
7743 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7744 (AT_addr): Add comment.
7748 (print_die): Handle dw_val_class_file.
7749 (print_dwarf_line_table): Update for new file table structure.
7750 (attr_checksum): Do checksum a filename.
7751 (same_dw_val_p, same_attr_p): Do compare a filename.
7752 (size_of_die): Handle dw_val_class_file.
7753 (value_format): Likewise.
7754 (output_die): Likewise. Also, call maybe_emit_file here.
7755 (struct file_info): Constify filenames. Make file_idx a pointer
7756 to a struct dwarf_file_data.
7757 (struct dir_info): Constify directory names. Remove 'used' field.
7758 (struct file_name_acquire_data): New.
7759 (file_name_acquire): New.
7760 (output_file_names): Modify to handle new file data structures.
7761 (add_src_coords_attributes): Use add_AT_file.
7762 (add_call_src_coords_attributes): Likewise.
7763 (dwarf2out_imported_module_or_decl): Likewise.
7764 (gen_subprogram_die): Modify for new file data structures.
7765 (gen_variable_die): Likewise.
7766 (file_table_eq): New.
7767 (file_table_hash): New.
7768 (file_table_last_lookup): New.
7769 (lookup_filename): Rewrite to handle new file data structures.
7770 (maybe_emit_file): Rewrite to handle new file data structures.
7771 (dwarf2out_source_line): Always call lookup_filename and
7773 (dwarf2out_init): Create file_table here.
7774 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7775 (file_table_relative_p): New.
7776 (dwarf2out_finish): Change detection of relative filenames
7777 to work with new file data structures. Move output_line_info call
7778 after debug_info output.
7780 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7785 * config/i386/i386.c (override_options): Always default to 16
7786 byte stack boundary.
7788 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7791 * var-tracking.c (dump_dataflow_set): Start dumping at
7793 (clobber_variable_part): Kill only the variable part in
7794 registers holding it, leaving other variables alone.
7796 2006-09-11 Josh Triplett <josh@freedesktop.org>
7798 * doc/extend.texi (Other Builtins): Actually use the macro
7799 argument in the documentation example for
7800 __builtin_types_compatible_p.
7802 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7804 PR rtl-optimization/28726
7805 * sched-deps.c (sched_analyze_reg): New function extracted from...
7806 (sched_analyze_1): ...here. Call it to analyze references to
7807 registers. Treat again writes to a stack register as writing to the
7809 (sched_analyze_2): ...and here. Call it to analyze references to
7810 registers. Treat again reads of a stack register as reading the
7813 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7814 David Edelsohn <edelsohn@gnu.org>
7817 * config/rs6000/spe.md (frob_df_di): Remove %H.
7818 (frob_di_df): Remove %H. Change evmergelo to mr.
7819 (frob_di_df_2): Remove %H. Change evldd to two loads.
7821 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7823 * doc/cpp.texi: Fix names of charset options.
7825 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7828 * config/i386/i386.c (override_options): Use 128-bit
7829 stack boundary always for 64bits.
7831 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7833 PR rtl-optimization/28636
7834 * combine.c (force_to_mode): Test for side-effects before
7835 substituting by zero.
7836 (simplify_shift_const): Likewise for zero or other constants.
7838 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7841 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7844 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7847 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7848 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7849 returned by mode_for_size, rather than the mode of src itself,
7850 to choose between 32-bit and 64-bit patterns.
7851 (mips_mem_fits_mode_p): New function.
7852 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7853 that the size of the source matches the size of the destination.
7854 (mov_<store>l, mov_<store>r): Likewise.
7856 2006-09-10 Eric Christopher <echristo@apple.com>
7858 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7861 2006-09-09 Eric Christopher <echristo@apple.com>
7864 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7867 2006-09-09 Roger Sayle <roger@eyesopen.com>
7868 Nicolas Setton <setton@adacore.com>
7870 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7872 2006-09-10 Andreas Schwab <schwab@suse.de>
7874 * config/m68k/m68k.md (bungt_rev): New pattern.
7876 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7877 Dale Johannesen <dalej@apple.com>
7880 * regclass.c (struct reg_pref): Update documentation.
7881 (regclass): Set prefclass to NO_REGS if memory is the best option.
7882 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7884 2006-09-08 Eric Christopher <echristo@apple.com>
7886 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7887 * config/t-slibgcc-darwin: Support x86_64 multilib.
7888 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7889 Return 1 for x86_64-darwin.
7890 * config/i386/t-darwin: Add m64 multilib.
7891 (LIB2_SIDITI_CONV_FUNCS): Use.
7892 (LIB2FUNCS_EXTRA): Ditto.
7893 * config/i386/darwin.h: Support x86_64.
7894 * config/i386/i386.c (override_options): Turn on flag_pic
7895 for x86_64-darwin. Disable flag_omit_pointer.
7896 (get_pc_thunk_name): Assert !TARGET_64BIT.
7897 (legitimate_address_p): Disable machopic addressing for
7899 (legitimize_pic_address): Ditto.
7900 (ix86_expand_move): Ditto.
7901 (ix86_expand_call): Ditto.
7902 (machopic_output_stub): Ditto.
7903 * config/darwin.c (machopic_select_section): Support literal16.
7904 (machopic_select_rtx_section): Ditto.
7905 * config/darwin-sections.def: Ditto.
7906 * config/darwin-64.c: New.
7908 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7911 * c-tree.h (struct c_arg_info): Add pending_sizes.
7912 * c-parser.c (c_parser_parms_declarator,
7913 c_parser_parms_list_declarator): Initialize pending_sizes.
7914 * c-decl.c (get_parm_info): Initialize pending_sizes.
7915 (get_parm_info): Set pending_sizes.
7916 (grokdeclarator): Call put_pending_sizes for parameters for
7917 function definition only.
7919 2006-09-07 Jason Merrill <jason@redhat.com>
7922 * varasm.c (output_constant): Only strip actual no-op conversions.
7925 * config/i386/i386.c (override_options): Use 128-bit
7926 stack boundary if -msse.
7928 2006-09-07 Eric Christopher <echristo@apple.com>
7930 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7932 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7935 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7937 * dwarf2out.c: Remove strange characters from comment above
7938 dwarf2out_frame_debug_expr.
7940 2006-09-07 Eric Christopher <echristo@apple.com>
7942 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7943 * config/darwin.h: ... to here.
7945 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7947 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7949 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7950 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7952 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7953 TARGET_PARTIAL_FLAG_REG_STALL.
7954 (*ashldi3_cconly_rex64): Likewise.
7955 (*ashlsi3_cmp): Likewise.
7956 (*ashlsi3_cconly): Likewise.
7957 (*ashlsi3_cmp_zext): Likewise.
7958 (*ashlhi3_cmp): Likewise.
7959 (*ashlhi3_cconly): Likewise.
7960 (*ashlqi3_cmp): Likewise.
7961 (*ashlqi3_cconly): Likewise.
7962 (*ashrdi3_cmp_rex64): Likewise.
7963 (*ashrdi3_cconly_rex64): Likewise.
7964 (*ashrsi3_cmp): Likewise.
7965 (*ashrsi3_cconly): Likewise.
7966 (*ashrsi3_cmp_zext): Likewise.
7967 (*ashrhi3_cmp): Likewise.
7968 (*ashrhi3_cconly): Likewise.
7969 (*ashrqi3_cmp): Likewise.
7970 (*ashrqi3_cconly): Likewise.
7971 (*lshrdi3_cmp_rex64): Likewise.
7972 (*lshrdi3_cconly_rex64): Likewise.
7973 (*lshrsi3_cmp): Likewise.
7974 (*lshrsi3_cconly): Likewise.
7975 (*lshrsi3_cmp_zext): Likewise.
7976 (*lshrhi3_cmp): Likewise.
7977 (*lshrhi3_cconly): Likewise.
7978 (*lshrqi2_cmp): Likewise.
7979 (*lshrqi2_cconly): Likewise.
7981 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7984 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7985 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7986 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7987 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7988 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7989 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7990 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7991 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7992 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7993 implement only CC setting effects of shift instructions.
7995 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7997 * doc/contrib.texi: Add myself.
7999 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8002 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8003 was set by the user.
8005 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8008 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8009 (divsi_inv_m1): Use them.
8010 (UNSPEC_DIV_INV_TABLE): New constant.
8012 2006-09-06 James E Wilson <wilson@specifix.com>
8015 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8016 then call count_or_remove_death_notes.
8018 2006-09-06 Jason Merrill <jason@redhat.com>
8021 * tree-inline.c (copy_result_decl_to_var): New fn.
8022 (declare_return_variable): Use it. Call declare_inline_vars here.
8023 (expand_call_inline): Not here.
8025 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8027 * doc/contrib.texi: Update my entry.
8029 2006-09-06 Nick Clifton <nickc@redhat.com>
8031 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8033 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8036 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8037 (canonicalize_induction_variables): Likewise.
8038 (tree_unroll_loops_completely): Likewise.
8039 (tree_ssa_prefetch_arrays): Likewise.
8040 (remove_empty_loops): Likewise.
8041 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8042 TODO_cleanup_cfg instead of directly calling
8043 cleanup_tree_cfg_loop.
8044 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8046 (tree_unroll_loops_completely): Likewise.
8047 (remove_empty_loops): Likewise.
8048 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8049 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8050 of tree_ssa_unswitch_loops.
8051 (tree_ssa_loop_ivcanon): Use the return value of
8052 canonicalize_induction_variables.
8053 (tree_ssa_empty_loop): Use the return value of
8055 (tree_complete_unroll): Use the return value of
8056 tree_unroll_loops_completely.
8057 (tree_ssa_loop_prefetch): Use the return value of
8058 tree_ssa_prefetch_arrays.
8059 * passes.c (execute_todo): Before Cleanup CFG, set
8060 updating_used_alone and after cleanup CFG, call
8061 recalculate_used_alone.
8063 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8066 * tree-vect-transform.c (vectorizable_condition): Move the check
8067 for the type after the check for simple condition.
8069 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8070 Kaz Kojima <kkojima@gcc.gnu.org>
8073 * mode-switching.c (optimize_mode_switching): Make the destination
8074 block of an abnormal edge have no anticipatable mode. Don't
8075 insert mode switching code at the end of the source block of
8078 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8080 PR rtl-optimization/26847
8081 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8082 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8083 (simplify_plus_minus): Count n_constants while filling ops. Replace
8084 qsort with insertion sort. Before going through the array to simplify
8085 pairs, sort it. Delay early exit until after the first sort, exiting
8086 only if no swaps occurred. Simplify pairs in reversed order, without
8087 special-casing the first iteration. Pack ops after simplifying pairs.
8089 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8091 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8092 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8093 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8094 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8096 2006-09-05 Richard Guenther <rguenther@suse.de>
8098 PR tree-optimization/28900
8099 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8100 compound conditional before creating COND_EXPR condition.
8102 2006-09-05 Richard Guenther <rguenther@suse.de>
8104 PR tree-optimization/28905
8105 * tree-vrp.c (fix_equivalence_set): Manually implement
8106 !value_ranges_intersect_p to also handle symbolic ranges.
8108 2006-09-05 Richard Guenther <rguenther@suse.de>
8111 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8114 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8116 PR rtl-optimization/27616
8117 * cse.c (table_size): New static variable.
8118 (new_basic_block): Initialize it to 0.
8119 (remove_from_table): Decrement it.
8120 (insert): Increment it.
8121 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8122 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8123 fold_rtx_mem_1 if under the cap.
8124 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8125 the lookup of the equivalent expression and test for equality of the
8126 first operand of the equivalent expression before in turn looking up
8127 an equivalent constant for the second operand.
8129 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8132 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8133 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8134 pointer, instead of assuming it is possible to derive the
8135 correct args size from a call insn.
8137 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8140 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8141 (fold_builtin_mempcpy): Rename to...
8142 (fold_builtin_memory_op): ... this. Optimize one element copy
8144 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8146 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8147 (expand_builtin_memcpy, expand_builtin_mempcpy,
8148 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8149 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8150 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8151 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8153 2006-09-01 DJ Delorie <dj@redhat.com>
8155 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8156 (stzx_16): Likewise.
8157 ("stzx_24_<mode>"): Likewise.
8158 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8159 ("cmp<mode>_op"): New.
8160 (cmp<mode>): Change to expander; just save operands.
8162 (b<code>): Change to expander, emit compare here.
8163 (s<code>_op): Change to use split and expander.
8164 (s<code>_24_op): Likewise.
8165 (s<code>_<mode>): New.
8166 (s<code>_<mode>_24): New.
8167 (movqicc_<code>_<mode): New.
8168 (movhicc_<code>_<mode>): New.
8171 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8172 (m32c_pend_compare): New.
8173 (m32c_unpend_compare): New.
8174 (m32c_expand_scc): New.
8175 (m32c_expand_movcc): Emit the compare also.
8176 * config/m32c/predicates.md (mra_nopp_operand): New.
8178 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8179 Richard Guenther <rguenther@suse.de>
8180 Adam Nemet <anemet@caviumnetworks.com>
8183 * builtins.c (get_pointer_alignment): Handle more forms
8184 of base addresses that can be used to derive more precise
8185 information about alignment.
8187 2006-09-01 Jason Merrill <jason@redhat.com>
8190 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8193 * gimplify.c (voidify_wrapper_expr): Handle null type.
8195 2006-09-01 Josh Conner <jconner@apple.com>
8198 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8199 (execute_return_slot_opt): Use it.
8201 2006-08-31 Josh Conner <jconner@apple.com>
8204 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8205 returning aggregates.
8207 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8209 PR tree-optimization/28839
8210 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8211 blocks in that phi arguments appear.
8213 2006-08-31 Roger Sayle <roger@eyesopen.com>
8216 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8217 NULL, otherwise use an advance_loc4 to adjust relative to the
8219 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8220 (dwarf2out_switch_text_section): Reset the current label to avoid
8221 using advance_loc4 over section boundaries.
8223 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8226 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8227 r12 + SYMBOLIC_CONST.
8229 2006-08-30 Richard Guenther <rguenther@suse.de>
8231 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8233 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8235 PR rtl-optimization/27735
8236 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8237 Add new argument to keep track of whether an irreducible region
8238 was affected. All callers changed.
8239 (fix_irreducible_loops): Removed.
8240 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8241 flags were invalidated.
8243 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8245 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8246 instead of SF operands.
8247 (*fop_df_comm_sse): Likewise.
8248 (*fop_df_comm_i387): Likewise.
8249 (*fop_df_1_mixed): Likewise.
8250 (*fop_df_1_sse): Likewise.
8252 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8253 J"orn Rennecke <joern.rennecke@st.com>
8255 PR tree-optimization/17506
8256 * tree-ssa.c (warn_uninit): If warning about a location outside of
8257 the current function, note where the variable was declared.
8259 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8261 PR tree-optimization/28411
8262 * double-int.c (double_int_div): Use double_int_divmod.
8263 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8264 double_int_mod, double_int_smod, double_int_umod): New functions.
8265 * double-int.h (double_int_divmod, double_int_sdivmod,
8266 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8268 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8270 (get_computation_aff, get_computation_cost_at): Handle double_int
8271 return type of constant_multiple_of.
8273 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8276 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8277 an implicit conversion.
8279 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8281 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8283 2006-08-27 Roger Sayle <roger@eyesopen.com>
8285 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8288 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8290 * config/i386/crtfastmath.c: Fix a comment typo.
8292 2006-08-26 Roger Sayle <roger@eyesopen.com>
8294 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8295 temporary visit flags on CASE_LABEL_EXPRs.
8296 * c-common.c (match_case_to_enum): Add function comment. Avoid
8297 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8298 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8299 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8300 a constant, only warn if that constant value isn't handled.
8302 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8305 * input.h (restore_input_file_stack): Declare.
8306 (INPUT_FILE_STACK_BITS): Define.
8307 * toplev.c (fs_p, input_file_stack_history,
8308 input_file_stack_restored, restore_input_file_stack): New.
8309 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8310 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8311 (pop_srcloc): Don't free old state of stack.
8313 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8316 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8317 (PowerPC Type Attributes): New.
8319 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8321 * config/xtensa/xtensa.c (function_arg_boundary): New.
8322 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8324 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8325 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8327 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8330 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8333 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8335 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8336 (verify_local_live_at_start): Likewise.
8338 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8341 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8342 omp_add_variable): Treat sizes as variable whenever not
8345 2006-08-26 Richard Guenther <rguenther@suse.de>
8348 * fold-const.c (fold_binary): Fold temporary to correct
8349 type before constructing new comparison.
8351 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8354 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8355 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8357 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8360 * c-decl.c (start_function): Don't try to process prototype
8361 information from old declaration that isn't a function.
8363 2006-08-25 Jan Hubicka <jh@suse.cz>
8366 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8368 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8371 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8374 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8376 PR tree-optimization/16876
8377 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8378 exit if PARM doesn't match VALUE.
8380 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8382 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8383 literal_prefix directive.
8384 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8385 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8386 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8388 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8391 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8392 predicate to general_operand. Add 0->y and I->r alternatives.
8394 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8396 * doc/tm.texi: Fix a typo.
8397 * predict.c: Fix comment typos.
8399 2006-08-25 Nick Clifton <nickc@redhat.com>
8401 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8402 assertions of "cpu" and "machine".
8404 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8407 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8408 the access through a base which has an alias set of 0 cannot
8411 2006-08-24 Bill Wendling <wendling@apple.com>
8413 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8415 2006-08-24 Jan Hubicka <jh@suse.cz>
8417 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8419 2006-08-24 Jan Hubicka <jh@suse.cz>
8422 * cgraph.c: Fix comments.
8423 (cgraph_varpool_mark_needed_node): Mark only variables not already
8425 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8426 (cgraph_varpool_assembled_nodes_queue): New static variable.
8427 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8428 (cgraph_varpool_output_debug_info): New function.
8429 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8430 * Makefile.in: Add gt-cgraphunit.h
8432 2006-08-24 Jan Hubicka <jh@suse.cz>
8434 * predict.c (probability_reliable_p): New predicate.
8435 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8436 (predict_loops): Do not predict loop exit with less than 2%
8438 * basic-block.h (edge_probability_reliable_p,
8439 br_prob_note_reliable_p): Declare.
8440 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8441 prediction when static predictor is not reliable.
8442 * rs6000.c (output_cbranch): Likewise.
8444 2006-08-23 Stuart Hastings <stuart@apple.com>
8447 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8448 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8450 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8453 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8454 complex values, nor for generic vector values.
8456 2006-08-22 Richard Guenther <rguenther@suse.de>
8459 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8460 parameter. Convert arguments to arithmetic expression to the
8462 (analyze_scalar_evolution_1): Adjust caller.
8464 2006-08-22 Jan Hubicka <jh@suse.cz>
8466 Patch by Paolo Bonzini
8467 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8470 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8472 PR tree-optimization/28003
8473 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8474 before grouping aliases.
8476 2006-08-22 Roger Sayle <roger@eyesopen.com>
8478 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8479 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8481 2006-08-21 Jason Merrill <jason@redhat.com>
8484 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8485 wrapper. Loop to handle nested wrappers.
8486 (gimplify_bind_expr): Remove temp parameter.
8487 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8488 and STATEMENT_LIST on the rhs.
8489 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8490 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8491 (gimplify_target_expr): Remove special BIND_EXPR handling.
8493 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8495 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8498 2006-08-21 Olivier Hainque <hainque@adacore.com>
8500 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8501 Arrange for the temporary captures of components overlapping the lhs
8502 to happen before the lhs is possibly cleared.
8504 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8506 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8507 necessary places to pass the correct "number of registers" values
8510 2006-08-20 Jan Hubicka <jh@suse.cz>
8512 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8513 (create_name_tags): Instead of quadratic checking use hashtable.
8514 * bitmap.h: Include hashtab.h.
8515 (bitmap_hash): Declare.
8516 * bitmap.c (bitmap_hash): New function.
8518 2006-08-20 Jan Hubicka <jh@suse.cz>
8520 PR rtl-optimization/28071
8521 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8523 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8524 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8525 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8526 cgraph_decide_inlining_incrementally): Update use of
8527 cgraph_check_inline_limits.
8528 * cgraph.c (edge_hash, edge_eq): New function.
8529 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8530 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8531 cgraph_remove_node): Maintain call site hash.
8532 * cgraph.h (struct cgraph_node): Add call_site_hash.
8533 (cgraph_set_call_stmt): New function.
8535 2006-08-20 Jan Hubicka <jh@suse.cz>
8537 PR rtl-optimization/28071
8538 * reload1.c (reg_has_output_reload): Turn into regset.
8539 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8540 choose_reload_regs, emit_reload_insns): Update to new
8541 reg_has_output_reload.
8543 2006-08-20 Jan Hubicka <jh@suse.cz>
8546 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8547 function body sizes.
8548 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8550 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8553 * tree.c (handle_dll_attribute): Return early if not a
8554 var or function decl.
8556 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8559 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8560 alignment of SPE vector types.
8562 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8564 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8566 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8569 * cgraph.h (struct cgraph_node): Remove externally_visible
8571 * cgraphunit.c (process_function_and_variable_attributes): Set
8572 local.externally_visible rather than externally_visible.
8575 * c-common.c (handle_externally_visible_attribute): First look
8576 at TREE_CODE and only if it is function or var decl, check for
8577 non-public objects. Don't warn for DECL_EXTERNAL.
8578 * cgraphunit.c (process_function_and_variable_attributes): Warn
8579 if externally_visible attribute is used on non-public object.
8581 2006-08-17 Jan Hubicka <jh@suse.cz>
8583 PR tree-optimization/27865
8584 * reload1.c (forget_marked_reloads): New function.
8585 (forget_old_reloads_1): When data are passed, just mark the registers
8587 (reload_as_needed): Use the new mechanizm.
8589 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8592 * reload.h (reg_equiv_alt_mem_list): New declaration.
8593 * reload1.c (reg_equiv_alt_mem_list): New definition.
8594 (reload): Initialize it and release it.
8595 (delete_output_reload): Use it.
8596 * reload.c (push_reg_equiv_alt_mem): New function.
8597 (find_reloads_toplev): Call it.
8598 (find_reloads_address, find_reloads_address_1): Likewise.
8599 (find_reloads_subreg_address): Likewise.
8601 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8603 PR rtl-optimization/28489
8604 * sched-ebb.c (begin_schedule_ready): Create basic block
8606 (advance_target_bb): Skip empty blocks.
8607 * haifa-sched.c (bb_note): Make global.
8608 * sched-int.h (bb_note): Add prototype.
8610 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8612 PR tree-optimization/27865
8613 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8615 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8616 fold_used_pointer, pointer_used_p): New functions.
8617 (analyze_scalar_evolution_1): Use fold_used_pointer.
8618 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8619 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8622 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8625 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8626 or the INTEGER_CST. Fail on a CALL_EXPR.
8627 (fold_offsetof): Pass new argument to fold_offsetof_1.
8628 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8629 operand into an INDIRECT_REF.
8630 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8632 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8634 PR gcov/profile/26570
8635 * value-prof.c (static_values): Removed.
8636 (tree_find_values_to_profile): Do not set static_values.
8637 (find_values_to_profile): Do not free static_values.
8638 * profile.c (instrument_values): Do not free the values.
8639 (branch_prob): Free the values.
8641 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8643 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8645 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8648 * c-typeck.c (build_component_ref): Combine qualifiers of
8649 structure or union and field.
8651 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8653 PR rtl-optimization/28071
8654 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8655 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8656 * tree-into-ssa.c (struct dom_dfsnum): New.
8657 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8659 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8660 compute_global_livein.
8661 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8662 in phi nodes in the correct blocks.
8664 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8666 PR tree-optimization/28364
8667 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8669 (fold_affine_expr): New function.
8670 (may_eliminate_iv): Use fold_affine_expr.
8672 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8675 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8678 2006-08-16 Mike Stump <mrs@apple.com>
8680 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8681 * doc/cppopts.texi (-MD): Likewise.
8683 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8686 * c-common.c (handle_weak_attribute): Ignore and warn if
8687 not a FUNCTION_ or VAR_DECL.
8689 2006-07-15 Mike Stump <mrs@apple.com>
8692 * c-parser.c (c_parser_typeof_specifier): Don't use
8693 c_finish_expr_stmt, open code desired semantics instead.
8695 2006-08-15 Nick Clifton <nickc@redhat.com>
8697 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8698 fragment to tmake_file only if threads are enabled.
8699 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8700 * config/i386/t-gthr-win32: New file. ... here.
8702 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8705 * c-parser.c (c_parser_compound_statement_nostart): Reset
8706 parser->error after each statement.
8708 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8711 * omp-low.c (lower_omp_parallel): Convert t to
8712 receiver_decl's type.
8713 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8714 source before comparison.
8717 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8718 to itype in assignment to oldival2.
8720 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8724 * c-typeck.c (build_compound_expr): If the second expression
8725 is an error mark, then just return an error mark instead of
8726 creating a COMPOUND_EXPR.
8728 2006-07-14 Mike Stump <mrs@apple.com>
8730 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8732 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8734 * c-decl.c, var-tracking.c: Fix comment typos.
8736 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8738 PR rtl-optimization/28634
8739 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8740 for floating-point modes unless flag_unsafe_math_optimizations.
8742 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8743 Andrew Pinski <pinskia@physics.uc.edu>
8746 * tree.c (build_array_type): Unify array types with
8747 unspecified index_type.
8748 * c-decl.c (grokdeclarator): Make sure we do not modify a
8749 unified incomplete array type.
8750 * c-typeck.c (store_init_value): Create distinct type before
8751 filling in the index type in an initializer from a compound
8754 * c-decl.c (grokdeclarator): Remove code where we copy the
8757 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8759 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8760 into account for TODO_dump_cgraph.
8761 (TODO_update_ssa_no_phi): Likewise.
8762 (TODO_update_ssa_full_phi): Likewise.
8763 (TODO_update_ssa_only_virtuals): Likewise.
8764 (TODO_remove_unused_locals): Likewise.
8765 (TODO_set_props): Likewise.
8766 (TODO_update_stmt_usage): Likewise.
8768 2006-08-13 Dirk Mueller <dmueller@suse.de>
8770 * c-common.c (strict_aliasing_warning): Fix formatting.
8772 2006-08-13 Matthias Klose <doko@debian.org>
8774 * doc/invoke.texi: Fix spelling errors.
8776 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8778 PR rtl-optimization/23454
8779 * reorg.c (relax_delay_slots): Update comment.
8781 2006-08-11 Richard Guenther <rguenther@suse.de>
8784 * simplify-rtx.c (simplify_const_relational_operation):
8785 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8788 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8790 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8791 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8793 2006-08-10 Paul Brook <paul@codesourcery.com>
8795 * final.c (final_scan_insn): Clear current_insn_predicate before
8796 outputting inline asm.
8798 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8800 PR tree-optimization/26197
8801 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8802 get_ref_base_and_extent and overlap_subvar to add only relevant
8803 subvars as may-aliases.
8804 (add_may_alias_for_new_tag): New function, factored out of
8806 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8807 with additional argument.
8808 * tree-flow.h (new_type_alias): Takes additional argument.
8810 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8812 * gcov.c (no_data_file): New flag.
8813 (read_count_file): Set it if data file not present. Assume counts
8815 (output_lines): Don't name the data file, if there wasn't one.
8817 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8819 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8820 (rs6000_generate_compare): Tweak comments.
8821 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8823 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8825 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8826 (var_debug_decl): New function.
8827 (var_reg_set): Follow debug decl link. Add location even if
8828 reg is already known to hold some other variable.
8829 (var_mem_set): Follow debug decl link.
8830 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8831 decl link. Delete other known locations of the variable part
8833 (var_reg_delete, var_mem_delete): Delete other known locations
8834 of the variable part if requested.
8835 (same_variable_part_p): New function.
8836 (add_stores): Select MO_COPY when appropriate.
8837 (vt_initialize): Handle it.
8838 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8839 known locations for MO_SET and MO_CLOBBER.
8840 (find_variable_location_part): New function.
8841 (set_variable_part, delete_variable_part): Use it.
8842 (clobber_variable_part): New function.
8843 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8846 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8848 PR tree-optimization/26969
8849 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8850 with an empty list of PHIs.
8852 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8856 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8859 2006-08-06 Andreas Schwab <schwab@suse.de>
8861 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8862 string. Whitespace and comment fixup.
8864 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8867 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8871 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8874 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8876 2006-08-04 Jan Hubicka <jh@suse.cz>
8880 * reload.c (push_reload): Patch out the mismatching instruction;
8882 (find_reload): Bail out if the instruction was patched out.
8884 2006-08-04 Jan Hubicka <jh@suse.cz>
8886 PR tree-optimization/24888
8887 * tree-inline.c (expand_call_inline): Do not re-record variables.
8888 (declare_inline_vars): Add variable to unexpanded_var_list.
8890 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8891 Roger Sayle <roger@eyesopen.com>
8893 PR rtl-optimization/26244
8894 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8895 inner_const are negative or greater than or equal to the bitsize of
8896 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8897 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8898 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8899 CONST0_RTX (mode) when the new shift count is greater than or equal to
8900 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8903 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8905 * tree-cfg.c: Fix a comment typo.
8907 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8910 * varasm.c (output_constant): Give the front end another chance to
8911 expand constants, after stripping NOPs.
8913 2006-08-03 Jan Hubicka <jh@suse.cz>
8915 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8918 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8920 PR tree-optimization/27770
8921 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8922 declaration removed (moved to tree-flow.h).
8923 (vect_can_force_dr_alignment_p): Likewise.
8924 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8925 (moved from tree-vectorizer.h).
8926 (vect_can_force_dr_alignment_p): Likewise.
8927 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8928 from outside the vectorizer - in particular from cgraph stage.
8929 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8930 the alignment of global arrays when -fsection-anchors is enabled.
8931 * cgraphunit.c (cgraph_increase_alignment): New function.
8932 (cgraph_optimize): Call cgraph_increase_alignment.
8934 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8937 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8938 not reload a SPE symbol_ref into a lo_sum address.
8940 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8943 * dwarf2out.c (prune_unused_types_prune): Move call to
8944 prune_unused_types_update_strings to cover the parent DIE also.
8946 2006-08-02 Jan Hubicka <jh@suse.cz>
8948 PR gcov/profile/28480
8949 * tree-cfg.c (change_bb_for_stmt): New function.
8950 (tree_merge_blocks, tree_split_blocks): Use it.
8952 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8958 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8959 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8960 (cgraph_optimize): Likewise.
8962 2006-08-01 Stuart Hastings <stuart@apple.com>
8964 * rtl.h (UINTVAL) New.
8965 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8966 * testsuite/gcc.dg/20060801-1.c: New.
8968 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8971 * c-typeck.c (build_external_type): Mark used enum types.
8972 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8974 (gen_subprogram_die): Whitespace fix.
8976 2006-08-01 Jan Hubicka <jh@suse.cz>
8978 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8979 bitmap when not needed.
8980 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8983 2006-08-01 Dirk Mueller <dmueller@suse.de>
8985 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8987 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8989 * Makefile.in: Revert part of previous patch:
8990 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8993 2006-07-30 Eric Christopher <echristo@apple.com>
8996 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8997 (PowerPC Variable Attributes): New section.
8999 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9001 PR target/28126 (partial fix)
9002 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9004 2006-07-28 Jan Hubicka <jh@suse.cz>
9006 PR rtl-optimization/28071
9007 * cfgrtl.c (rtl_delete_block): Free regsets.
9008 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9010 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9012 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9013 and variables used in dependencies.
9015 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9017 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9018 %fs for -mcmodel=kernel.
9019 (stack_tls_protect_test_di): Likewise.
9021 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9023 * Makefile.in: Use mkinstalldirs.
9025 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9028 * opts-common.c (prune_options): Skip joined switches.
9030 2006-07-27 Jan Hubicka <jh@suse.cz>
9032 PR rtl-optimization/28071
9033 * cselib.c (cselib_process_insn): Don't remove useless values too
9034 often for very large hashtables.
9036 2006-07-27 Jan Hubicka <jh@suse.cz>
9038 PR rtl-optimization/28071
9039 * global.c (greg_obstack): New obstack.
9040 (allocate_bb_info): Use it.
9041 (free_bb_info): Likewise.
9042 (modify_reg_pav): Likewise.
9044 2006-07-27 Roger Sayle <roger@eyesopen.com>
9046 * builtins.c (fold_fixed_mathfn): When long and long long are the
9047 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9048 functions to their lceil*, lfloor*, lround* and lrint* forms.
9050 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9053 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9055 (rev_branch_insn): Likewise.
9057 2006-07-27 Jan Hubicka <jh@suse.cz>
9059 PR rtl-optimization/28071
9060 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9061 (reg_set_in_bb, max_reg_computed): New static variables.
9062 (regmove_optimize): Free the new array.
9063 (fixup_match_1): Update call of reg_is_remote_constant_p.
9065 2006-07-26 Jan Hubicka <jh@suse.cz>
9067 PR tree-optimization/27882
9068 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9070 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9072 (cgraph_analyze_compilation_unit): Likewise.
9073 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9074 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9075 (cgraph_early_inlinine): Make order garbage collected.
9076 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9078 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9080 * dbxout.c (output_types_sort): Add a comment.
9081 (output_used_types): Free the VEC.
9083 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9085 * function.c (reorder_fix_fragments): Delete.
9086 (reorder_blocks): Don't call it.
9087 (reorder_blocks_1): Put all subblocks under the origin block.
9089 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9091 PR rtl-optimization/27907
9092 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9095 2006-07-25 Roger Sayle <roger@eyesopen.com>
9098 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9099 bar(x) check that bar's result type can represent all the values of T.
9101 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9103 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9105 2006-07-25 Nick Clifton <nickc@redhat.com>
9107 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9108 size_lookup[] array.
9109 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9110 (ggc_pch_count_object): Likewise.
9111 (ggc_pch_alloc_object): Likewise.
9112 (ggc_pch_write_object): Likewise.
9113 (init_ggc): Do not attempt to initialize entries in the
9114 size_lookup[] array for objects whose size is greater than than
9115 the length of the array.
9117 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9119 * dbxout.c (output_used_types_helper): Push queued types
9121 (output_types_sort): New.
9122 (output_used_types): Collect used types on a VEC and sort them
9125 2006-07-24 Richard Guenther <rguenther@suse.de>
9128 * cgraph.c (cgraph_remove_node): Do not check if dumps
9130 * cgraphunit.c (cgraph_optimize): Likewise.
9132 2006-07-24 Jan Hubicka <jh@suse.cz>
9134 PR rtl-optimization/28071
9135 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9136 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9137 splitting before first stmt.
9139 2006-07-24 Jan Hubicka <jh@suse.cz>
9141 PR rtl-optimization/28071
9142 * ipa-inline.c (update_caller_keys): Remove edges that
9143 are no longer inline candidates.
9145 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9148 * dbxout.c (output_used_types_helper, output_used_types): New.
9149 (dbxout_symbol): Call output_used_types.
9151 2006-07-23 Jan Hubicka <jh@suse.cz>
9155 * cgraph.c (cgraph_varpool_nodes): Export.
9156 (decide_is_variable_needed): Ignored "used" attribute in
9157 unit-at-a-time mode.
9158 * cgraph.h (cgraph_varpool_nodes): Declare.
9159 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9160 unit-at-a-time mode.
9162 2006-07-23 Roger Sayle <roger@eyesopen.com>
9165 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9166 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9167 the __gthrw form of thr_keycreate.
9168 (__gthread_key_delete): Silence the unused argument warning.
9170 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9173 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9174 Cache the last found '\0' marker to avoid quadratic behavior.
9176 2006-07-23 Jan Hubicka <jh@suse.cz>
9178 * i386.md (subsi_3_zext): Fix output template.
9180 2006-07-21 Mike Stump <mrs@apple.com>
9182 * doc/invoke.texi (C++ Dialect Options): Note that
9183 -fvisibility-inlines-hidden doesn't affect explicitly
9184 instantiationed inline methods.
9186 2006-07-20 Roger Sayle <roger@eyesopen.com>
9188 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9189 if the target assembler is GNU binutils' gas.
9190 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9191 whether to pass GNU gas or native as command line options.
9193 2006-07-20 Jason Merrill <jason@redhat.com>
9195 * tree.c (remove_attribute): New fn.
9196 * tree.h: Declare it.
9198 2006-07-20 Paul Brook <paul@codesourcery.com>
9201 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9202 they are invalidated by this instruction.
9204 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9207 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9209 2006-07-20 Eric Christopher <echristo@apple.com>
9212 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9214 2006-07-19 Eric Christopher <echristo@apple.com>
9216 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9217 Rewrite dependencies for libgcc_s.1.dylib.
9219 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9221 * except.c (duplicate_eh_regions_1): Clear next_peer.
9223 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9225 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9226 -mlongcall does not guarantee all calls will be long.
9227 * doc/extend.texi (long_call/short_call): Document that longcall
9228 does not guarantee a long call will be used.
9229 (longcall/shortcall): Likewise.
9231 2006-07-18 Roger Sayle <roger@eyesopen.com>
9234 * expmed.c (expand_shift): Additionally check that the shift_cost
9235 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9236 before implementing a LSHIFT_EXPR as a sequence of additions.
9237 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9238 middle-end that DImode shifts need to be synthesized by expand.
9240 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9243 * tree-ssa-operands.c (access_can_touch_variable): Update
9245 Return true if ALIAS is .GLOBAL_VAR.
9247 2006-07-18 David Daney <ddaney@avtrex.com>
9249 * gcc.c (display_help): Fix typo in help text.
9251 2006-07-18 Olivier Hainque <hainque@adacore.com>
9253 * tree.h (categorize_ctor_elements): Adjust prototype and add
9254 descriptive comment, both in accordance with the interface change
9256 * varasm.c (constructor_static_from_elts_p): New function.
9257 Whether a constructor node is a valid static constant initializer
9258 if all its elements are.
9259 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9260 * output.h: Declare it.
9261 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9262 is a valid constant initializer instead of computing the number of
9263 non-constant elements. Use constructor_static_from_elts_p for this
9264 purpose. Replace the head comment with an indication that this is a
9265 helper for categorize_ctor_elements.
9266 (categorize_ctor_elements): Same interface change as for the _1
9267 helper. Former head comment from this helper moved here, adjusted to
9268 account for the interface changes.
9269 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9270 (all_zeros_p): Likewise.
9271 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9272 static versions of the constructor from the categorize_ctor_elements
9273 return value instead of the formerly computed number of non-constant
9276 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9278 * configure: Regenerate.
9279 * Makefile.in (build_libsubdir): New configure substitution
9280 (build_libobjdir): New variable.
9281 (BUILD_LIBIBERTY): Use it.
9283 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9286 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9288 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9291 * c-common.c (handle_weakref_attribute): Ignore attribute in
9292 the same conditions the alias attribute is ignored.
9294 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9296 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9297 (dbxout_begin_prologue): Increment scope_labelno.
9299 2006-07-17 Richard Henderson <rth@redhat.com>
9302 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9305 2006-07-17 Roger Sayle <roger@eyesopen.com>
9306 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9308 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9309 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9310 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9311 functions such as sbrk, write, etc.. Add function prototypes.
9312 Convert function declarations from K&R to ISO C. Cast pointers
9313 to "long" and "unsigned long" instead of "int" and "unsigned int".
9314 Convert tokens following #endif into comments.
9316 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9318 * invoke.texi: Remove mention of f77; Reformat table for
9319 inline parameter options correctly; mention that -malign-double
9320 is default on x86-64 targets.
9322 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9324 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9325 (convert_affine_scev, chrec_convert_aggressive): Use
9326 avoid_arithmetics_in_type_p. Do not check for the subtypes
9329 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9332 * optabs.c (expand_doubleword_shift): Wrap the call to
9333 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9335 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9338 * optabs.c (expand_binop): Pass next_methods rather than methods
9339 to expand_doubleword_shift.
9341 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9344 * tree.h (dump_addr): Declare.
9345 * print-tree.c (dump_addr): New function.
9346 (print_node_brief, print_node): Use it.
9347 * print-rtl.c (print_rtx): Likewise.
9348 * common.opt (-fdump-noaddr): New option.
9349 * doc/invoke.texi (-fdump-noaddr): Document.
9350 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9351 (ve_info_hash): Likewise.
9353 2006-07-13 Andrew Haley <aph@redhat.com>
9355 PR tree-optimization/19505
9356 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9357 edge leaving this block, make sure that the destination of this
9358 block has only one predecessor.
9360 2006-07-17 Richard Guenther <rguenther@suse.de>
9362 PR tree-optimization/28238
9363 * tree-inline.c (copy_bb): Check if we produced valid
9364 gimple copying and substituting a stmt. If not, gimplify
9367 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9369 * optabs.c (maybe_encapsulate_block): New function extracted from...
9370 (emit_libcall_block): ...here. Invoke it on the block of insns to
9371 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9372 (emit_no_conflict_block): Likewise.
9374 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9376 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9378 2006-07-15 Roger Sayle <roger@eyesopen.com>
9380 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9381 a new NOP_EXPR case of the switch statement.
9383 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9386 * stor-layout.c (place_field): Take the bit field with
9387 an excessive size into account in the ms-bitfiled case.
9390 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9391 the previous bit field.
9393 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9396 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9398 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9400 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9401 signal frames correctly even when the signal was installed with
9404 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9406 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9407 (dbxout_function_end): Use local label LFBB. Remove hook
9409 (dbxout_source_line): Use local label LFBB.
9410 (dbxout_block): Likewise.
9411 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9412 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9413 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9414 and DBX_OUTPUT_NFUN.
9416 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9418 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9420 2006-07-13 Jan Hubicka <jh@suse.cz>
9422 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9424 * output.h (align_variable): Declare.
9425 * varasm.c (align_variable): Export.
9426 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9427 when basic block changed.
9429 2006-07-13 Nick Clifton <nickc@redhat.com>
9431 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9432 walking the LOG_LINKS chain.
9434 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9436 * doc/invoke.texi (C++ Dialect Options): Explain difference
9437 between -fvisibility-inlines-hidden and setting hidden
9438 visibility explicitly.
9440 2006-07-12 Eric Christopher <echristo@apple.com>
9442 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9443 (stmp-lipo): Depend on libgcc.a.
9445 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9447 * tree.c: Fix a comment typo.
9449 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9451 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9453 (umulhisi3_r): Likewise.
9455 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9458 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9459 x < 19, vs wchar_t support.
9461 2006-07-12 Nick Clifton <nickc@redhat.com>
9463 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9464 instead of -isa=sh4.
9466 2006-07-12 Mike Stump <mrs@apple.com>
9468 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9470 2006-07-10 Eric Christopher <echristo@apple.com>
9472 * config/t-slibgcc-darwin: Rewrite.
9474 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9477 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9480 2006-07-08 Matthias Klose <doko@debian.org>
9482 * doc/sourcebuild.texi: Fix typo.
9484 2006-07-07 Mike Stump <mrs@apple.com>
9486 * toplev.c (process_options): Don't give -ffunction-sections may
9487 affect debugging warning for Mach-O.
9489 2006-07-07 James E Wilson <wilson@specifix.com>
9491 * config/mips/mips.md (cpu): Add sb1a.
9492 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9493 addition to sb1. Adjust comments to clarify SB-1A differences from
9495 (ir_sb1a_load): New. Modify bypasses to use it.
9496 (ir_sb1a_simple_alu): Likewise.
9497 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9498 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9499 (mips_issue_rate): Add PROCESSOR_SB1A.
9500 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9501 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9502 (TARGET_SB1): Add PROCESSOR_SB1A check.
9503 (TUNE_SB1): Likewise.
9505 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9506 * config/mips/mips.c (mips_store_data_bypass_p): New.
9507 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9508 store_data_bypass_p.
9510 2006-07-08 Paul Brook <paul@codesourcery.com>
9513 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9515 2006-07-07 Richard Guenther <rguenther@suse.de>
9518 * tree.h (build_one_cst): Declare.
9519 * tree.c (build_one_cst): New function.
9520 * tree-ssa-math-opts.c (get_constant_one): Remove.
9521 (insert_reciprocals): Use build_one_cst.
9522 * fold-const.c (fold_plusminus_mult): Likewise.
9524 2006-07-07 Roger Sayle <roger@eyesopen.com>
9526 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9527 * cfgloopanal.c (dump_graph): Likewise.
9528 * dojump.c (discard_pending_stack_adjust): Likewise.
9529 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9531 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9532 * function.c (finalize_block_changes): Likewise.
9533 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9534 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9535 * rtl.c (dump_rtx_statistics): Likewise.
9536 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9538 * varray.c (dump_varray_statistics): Likewise.
9539 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9540 decode_decimal64, encode_decimal128, decode_decimal128,
9541 decimal_real_to_decimal): Likewise.
9543 2006-07-07 Richard Guenther <rguenther@suse.de>
9545 PR tree-optimization/28187
9546 * tree-vrp.c (vrp_operand_equal_p): New function.
9547 (vrp_bitmap_equal_p): Likewise.
9548 (update_value_range): Use them to compare old and new
9551 2006-07-06 Roger Sayle <roger@eyesopen.com>
9553 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9554 a default case to switch statement to silence compiler warnings.
9556 2006-07-06 Roger Sayle <roger@eyesopen.com>
9559 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9560 the configured assembler supports the x87's ffreep mnemonic.
9561 * configure: Regenerate.
9562 * config.in: Regenerate.
9564 * config/i386/i386.c (output_387_ffreep): New function.
9565 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9566 (output_387_reg_move): Likewise.
9568 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9570 Port to hosts whose 'sort' and 'tail' implementations
9571 treat operands with leading '+' as file names, as POSIX
9572 has required since 2001. However, make sure the code still
9573 works on pre-POSIX hosts.
9574 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9575 which says you should use "tail -c +N" rather than "tail +Nc".
9576 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9578 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9580 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9583 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9586 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9587 PRE_{INC,DEC} of TFmode.
9589 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9590 Alan Modra <amodra@bigpond.net.au>
9593 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9596 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9599 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9600 Remove duplicate gtu.
9602 2006-07-05 Jason Merrill <jason@redhat.com>
9606 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9607 * c-common.c (handle_packed_attribute): So don't copy it here.
9608 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9610 2006-07-05 Mike Stump <mrs@apple.com>
9612 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9614 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9617 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9619 2006-07-05 Richard Guenther <rguenther@suse.de>
9622 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9623 TARGET_SSE2 targets if using SSE math.
9624 (*absdf2_1): Likewise.
9626 2006-07-05 Richard Guenther <rguenther@suse.de>
9628 PR tree-optimization/28162
9629 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9630 make sure to convert the operands to the correct type.
9632 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9634 PR tree-optimization/28218
9636 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9637 to calculate and free the dominator information.
9639 2006-07-04 Peter O'Gorman <peter@pogma.com>
9641 * mklibgcc.in: chmod 644 before ranlib during install.
9643 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9644 J"orn Rennecke <joern.rennecke@st.com>
9646 * configure.ac (.eh_frame data check): Use diff -b.
9648 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9651 * Makefile.in (BUILD_RTL): Add build/vec.o.
9652 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9653 (build/genextract): Delete.
9654 (build/genautomata): Likewise.
9656 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9659 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9660 128-bit IBM long doubles for ABI_V4.
9662 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9664 * tree.c (range_in_array_bounds_p): New predicate.
9665 * tree.h (range_in_array_bounds_p): Declare it.
9666 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9667 return a less conservative answer.
9668 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9669 and flag 'is_group'.
9670 (IS_ELEMENT_FOR_GROUP): New macro.
9671 (FOR_EACH_ACTUAL_CHILD): Likewise.
9672 (next_child_for_group): New helper function.
9673 (can_completely_scalarize_p): Take into account groups.
9674 (sra_hash_tree): Handle RANGE_EXPR.
9675 (sra_elt_eq): Likewise.
9676 (lookup_element): Be prepared for handling groups.
9677 (is_valid_const_index): Delete.
9678 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9679 instead of is_valid_const_index.
9680 <ARRAY_RANGE_REF>: New case.
9681 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9682 is_valid_const_index.
9683 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9684 (scan_dump): Dump info for groups too.
9685 (decide_instantiation_1): Likewise.
9686 (decide_block_copy): Assert that the element is not a group.
9687 Propagate decision to groups.
9688 (generate_one_element_ref): Handle RANGE_EXPR.
9689 (mark_no_warning): Iterate over actual childs.
9690 (generate_copy_inout): Likewise.
9691 (generate_element_copy): Likewise.
9692 (generate_element_zero): Likewise.
9693 (generate_element_init_1): Likewise.
9694 (dump_sra_elt_name): Handle RANGE_EXPR.
9696 2006-07-03 Roger Sayle <roger@eyesopen.com>
9698 PR tree-optimization/26251
9699 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9700 (thread_block): When optimizing for size refuse to thread jumps
9701 that would require duplication of blocks other than redirection
9704 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9706 * configure.ac: Fix thinko in previous check-in.
9707 * configure: Regenerate.
9709 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9712 * configure.ac (for lang...): Simplify nesting of conditionals.
9713 Test subdir_requires for non-enabled languages. Move processing
9714 of lang_opt_files and lang_tree_fiels below that test.
9715 * configure: Regenerate.
9716 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9718 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9720 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9722 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9724 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9727 2006-06-29 Jason Merrill <jason@redhat.com>
9734 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9735 * c-common.c (c_determine_visibility): Handle it here.
9736 * c-decl.c (finish_decl): Call c_determine_visibility for
9738 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9740 * varasm.c (default_assemble_visibility): Likewise.
9741 * c-common.c (handle_visibility_attribute): Complain about trying
9742 to give visibility to an already defined class, or trying to change
9743 declared visibility. Always attach the attribute.
9748 * attribs.c (decl_attributes): Ignore type-in-place attributes
9749 once the type has been defined.
9751 2006-06-29 Roger Sayle <roger@eyesopen.com>
9754 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9755 to indicate the cpplib has issued an error message for us.
9757 2006-06-29 Asher Langton <langton2@llnl.gov>
9760 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9761 insert a label at the end of an function under Mach-O.
9763 2006-06-29 Eric Christopher <echristo@apple.com>
9764 Evan Cheng <evan.cheng@apple.com>
9766 * predicates.md (vector_all_ones_operand): New.
9767 (nonimmediate_or_sse_const_operand): Ditto.
9768 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9769 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9770 (standard_sse_mode_p): Ditto.
9771 (standard_sse_constant_p): Add case for -1 vector.
9772 (ix86_expand_vector_move): Try to use.
9773 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9774 Call standard_sse_constant_opcode.
9775 (*movv4sf_internal): Ditto.
9776 (*movv2df_internal): Ditto.
9778 2006-06-29 Roger Sayle <roger@eyesopen.com>
9780 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9781 of XEXP to extract the operands of a MATCH_CODE rtx.
9783 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9785 * tree.c (tree_size): Do not waste tail padding in
9786 struct tree_string and make the size be the same as
9787 build_string will generate.
9789 2006-06-28 Jason Merrill <jason@redhat.com>
9792 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9793 may_aliases already in the tag's annotations to the bitmap.
9795 2006-06-28 Roger Sayle <roger@eyesopen.com>
9797 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9799 2006-06-28 Roger Sayle <roger@eyesopen.com>
9801 * genpreds.c (generate_switch_p): New function.
9802 (add_mode_tests): Push the new mode test down inside an AND expr
9803 if this allows the switch-suitable MATCH_CODE to be near the root.
9804 (write_match_code_switch): New function to write a MATCH_CODE as
9806 (write_predicate_stmts): New function to write a predicate RTX
9807 expression as a sequence of statements.
9808 (write_one_predicate_function): Use write_predicate_stmts.
9809 (write_tm_constrs_h): Likewise.
9811 2006-06-26 Fred Fish <fnf@specifix.com>
9813 * config/mips/t-sb1: New file.
9814 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9817 2006-06-26 DJ Delorie <dj@redhat.com>
9819 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9821 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9822 Jayant Sonar <jayants@kpitcummins.com>
9823 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9825 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9826 (subsi3, subsi3_1, subsi3_2): New.
9827 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9828 * config/m32c/mov.md (SI mov peephole): New.
9829 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9830 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9832 2006-06-26 Olivier Hainque <hainque@adacore.com>
9834 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9835 a CALL_EXPR target function declaration.
9837 2006-06-26 Richard Guenther <rguenther@suse.de>
9839 * tree.c (build_string): Do not waste tail padding in
9842 2006-06-26 Richard Guenther <rguenther@suse.de>
9844 * ggc-page.c (init_ggc): Add missing element to size_lookup
9848 2006-06-23 Richard Guenther <rguenther@suse.de>
9850 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9851 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9852 alignment requests instead. Add verification code.
9853 Add struct tree_function_decl and struct tree_binfo size to
9854 extra_order_size_table. Add missing element to size_lookup
9857 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9860 * fold-const.c (const_binop): Be prepared for self returning zero.
9861 Simplify code handling complex values.
9863 2006-06-24 Olivier Hainque <hainque@adacore.com>
9865 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9866 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9869 2006-06-24 Olivier Hainque <hainque@adacore.com>
9871 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9872 ARRAY_REF, so have the callback called for the low bound expression.
9874 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9876 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9877 * c-typeck.c (c_common_type): Disallow operations on decimal float
9878 types and other float types.
9879 * convert.c (convert_to_real): Don't ignore conversions involving
9880 decimal float types.
9882 2006-06-23 Olivier Hainque <hainque@adacore.com>
9884 * tree.c (max_int_size_in_bytes): New function, inspired from
9885 code in function.c:assign_temp.
9886 * tree.h (max_int_size_in_bytes): Declare.
9887 * function.c (assign_temp): Use it.
9888 * gimplify.c (create_tmp_var): Relax the assertions on the type
9889 properties, not mandating constant size any more.
9890 (force_constant_size): New static function.
9891 (gimple_add_tmp_var): Use it, forcing variable size to a
9892 constant upper bound if it is not constant on entry.
9894 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9897 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9898 for initialization and setting of one_only flag to ...
9899 (i386_pe_encode_section_info): ...here.
9900 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9901 Recheck that the symbol has not been defined.
9903 2006-06-23 Richard Guenther <rguenther@suse.de>
9905 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9906 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9907 alignment requests instead. Add verification code.
9908 Add struct tree_function_decl and struct tree_binfo size to
9909 extra_order_size_table. Add missing element to size_lookup
9912 2006-06-22 Roger Sayle <roger@eyesopen.com>
9913 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9916 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9917 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9919 2006-06-23 Ben Elliston <bje@au.ibm.com>
9921 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9922 negate dn -- manipulate it directly.
9924 2006-06-22 Roger Sayle <roger@eyesopen.com>
9925 Steven Bosscher <stevenb.gcc@gmail.com>
9928 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9929 generated by gen_move_insn to add REG_LABEL notes if necessary.
9931 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9933 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9934 (leaf_entry): Remove use of MIN_ESA.
9936 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9938 PR rtl-optimization/28121
9939 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9942 2006-06-21 DJ Delorie <dj@redhat.com>
9944 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9946 (mulhisi3_r): Likewise.
9948 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9951 * coverage.c (coverage_counter_alloc): Leave the index type
9953 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9956 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9958 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9959 section from the "Options for Code Generation Conventions".
9961 2006-06-21 Richard Henderson <rth@redhat.com>
9965 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9967 (global_symbolic_operand): Allow weak symbols, even if local_p.
9969 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9971 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9972 (find_interesting_uses_address): Punt if above function returns true.
9974 2006-06-21 Richard Guenther <rguenther@suse.de>
9976 * configure: Regenerated.
9978 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9980 * config/mips/mips.c (function_arg): Where one part of a
9981 complex argument is in registers and the other part in the stack,
9982 return a REG not a PARALLEL.
9984 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9986 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9987 when cross-compiling. Do not substitute libstdcxx_incdir.
9988 * configure: Regenerated.
9990 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9992 * varasm.c (mergeable_string_section): Check for embedded NULs and
9993 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9994 rather than TREE_STRING_LENGTH bytes.
9996 2006-06-21 Richard Guenther <rguenther@suse.de>
9998 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9999 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10002 2006-06-21 Richrad Guenther <rguenther@suse.de>
10004 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10005 Limit iteration over the dominators.
10007 2006-06-20 Roger Sayle <roger@eyesopen.com>
10009 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10010 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10012 2006-06-20 Richard Guenther <rguenther@suse.de>
10013 Michael Matz <matz@suse.de>
10015 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10017 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10018 * et-forest.h (et_free_pools): Prototype new function.
10019 * et-forest.c (et_free_tree_force): Free parent occurrence.
10020 (et_free_pools): New function.
10021 * dominance.c (free_dominance_info): Free et-forest alloc
10024 2006-06-20 Roger Sayle <roger@eyesopen.com>
10026 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10027 integer modes, attempt to directly construct an integer constant.
10029 * fold-const.c (native_encode_vector): Determine the size of each
10030 element from the vector type instead of the first vector element.
10032 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10033 if all of its elements/components are constant.
10034 (build_constructor_from_list): Likewise.
10036 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10038 PR tree-optimization/27331
10039 * tree-data-ref.c (free_data_ref): New function.
10040 (create_data_ref): Fail if the data reference has unknown access
10042 (free_data_refs): Use free_data_ref.
10044 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10046 PR middle-end/28075
10047 * tree-inline.c (setup_one_parameter): Strip useless
10048 type conversion before adding it to the IR.
10049 (declare_return_variable): Likewise.
10051 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10054 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10056 2006-06-19 Mike Stump <mrs@apple.com>
10058 * tree.c (variably_modified_type_p): VM arguments don't make the
10061 2006-06-19 Richard Guenther <rguenther@suse.de>
10063 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10064 type conversions after folding.
10066 2006-06-19 Richard Guenther <rguenther@suse.de>
10068 * ggc-page.c (extra_order_size_tab): Add entries with
10069 size of struct function and basic_block.
10070 (size_lookup): Extend to cover sizes up to 511.
10071 (ggc_alloc_stat): Adjust user.
10072 (ggc_pch_count_object): Likewise.
10073 (ggc_pch_alloc_object): Likewise.
10074 (ggc_pch_write_object): Likewise.
10076 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10078 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10079 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10082 2006-06-19 Denis Chertykov <denisc@overta.ru>
10084 * config/avr/libgcc.S : Correct my wrong previous commit.
10086 2006-06-19 Roger Sayle <roger@eyesopen.com>
10089 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10090 have stripped a SUBREG from the shift count, so we may need to
10091 convert_to_mode back to the type's mode before calling make_tree.
10092 Use new_amount instead of amount to avoid expanding a tree twice.
10094 2006-06-19 Richard Guenther <rguenther@suse.de>
10096 PR middle-end/28045
10097 * fold-const.c (operand_equal_p): Check if the argument types
10098 have the same precision before stripping NOPs.
10100 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10102 Fix PR tree-optimization/27341
10103 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10105 * tree-complex.c (pass_lower_complex): Update SMT usage.
10107 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10109 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10110 Add a new alternative to the constraint strings. Add move of
10111 operand 1 to 3 to the splitter definition.
10112 ("doloop_si_long"): Second contraint alternative removed.
10114 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10116 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10117 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10119 (AVR_HAVE_MOVW) Define.
10120 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10121 (ASM_SPEC): Add avr25.
10122 (LINK_SPEC): Add avr25.
10123 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10124 (base_arch_s): Add new member 'have_movw_lpmx'.
10125 (avr_arch_types): Init 'have_movw_lpmx'.
10126 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10127 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10128 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10129 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10130 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10132 (avr_file_start): Do not output '.arh' derective.
10133 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10134 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10135 * config/avr/avr.md (mcu_enhanced): Delete.
10136 (mcu_have_movw): Define.
10137 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10138 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10139 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10140 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10141 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10142 attiny861 and at86rf401 devices.
10144 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10146 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10149 2006-06-17 Karl Berry <karl@gnu.org>
10151 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10152 doc/gccint.texi, doc/install.texi (@dircategory): Use
10153 "Software development" instead of "Programming", following
10154 the Free Software Directory.
10156 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10158 * config/i386/i386.c (legitimate_tls_address)
10159 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10160 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10161 (*tls_dynamic_gnu2_combine_64): Likewise.
10163 2006-06-16 Richard Guenther <rguenther@suse.de>
10165 PR middle-end/27116
10166 * fold-const.c (negate_expr_p): Do not introduce undefined
10167 overflow in negating INTEGER_CSTs.
10168 (fold_negate_expr): Rename from negate_expr. Revert last
10169 change for folding BIT_NOT_EXPR. Change semantics to
10170 return NULL_TREE for non-simplified negations. Do not
10171 strip type conversions and unify type handling.
10172 (negate_expr): New function, wrap around fold_negate_expr
10173 but ensure building a tree always. Strip type conversions
10174 here, fold to result type.
10175 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10177 2006-06-16 Roger Sayle <roger@eyesopen.com>
10179 PR middle-end/27802
10180 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10181 that (would) return their results in stack registers.
10183 2006-06-16 Michael Matz <matz@suse.de>
10184 Richard Guenther <rguenther@suse.de>
10186 * fold-const.c (fold_truthop): Only return new tree node if
10187 we canonicalized something.
10189 2006-06-16 Richard Guenther <rguenther@suse.de>
10191 * function.h (enum function_frequency): Move declaration
10192 out of struct function.
10193 (struct function): Move bool fields and the enum to the bitfield
10194 section. Reorder elements to avoid padding. Remove unused
10195 fields left over from the RTL inliner removal.
10196 * function.c (free_after_compilation): Do not zero removed fields.
10197 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10198 (ipa-type-escape.o): Likewise.
10200 2006-06-16 Richard Guenther <rguenther@suse.de>
10202 * cgraph.h (struct cgraph_local_info): Turn bool elements
10204 (struct cgraph_node): Likewise.
10205 (struct cgraph_varpool_node): Likewise.
10207 2006-06-15 Richard Guenther <rguenther@suse.de>
10209 * fold-const.c (fold_truth_not_expr): Rename from
10210 invert_truthvalue. Give it fold_* semantics to avoid
10211 generating garbage.
10212 (invert_truthvalue): New function. Wrapper around
10213 fold_truth_not_expr.
10214 (optimize_minmax_comparison): Avoid creating garbage.
10215 (fold_unary): Use fold_truth_not_expr for folding
10217 (fold_ternary): Replace uses of invert_truthvalue with
10218 fold_truth_not_expr where applicable.
10219 * tree.h (fold_truth_not_expr): Prototype.
10221 2006-06-16 Richard Guenther <rguenther@suse.de>
10223 PR tree-optimization/27781
10224 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10225 * ipa-pure-const.c (target.h): Include.
10226 (analyze_function): Do not analyze functions that do not
10229 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10231 PR middle-end/27793
10232 * tree-dfa.c (referenced_vars_dup_list): Remove.
10233 (find_referenced_vars): Remove assert.
10234 (referenced_var_check_and_insert): Replace dup list with assert.
10235 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10236 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10238 2006-06-15 Richard Guenther <rguenther@suse.de>
10240 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10241 extra unused identifiers if not dumping.
10242 (create_variable_info_for): Likewise.
10244 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10246 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10247 (derive_constant_upper_bound): Derive more precise upper bound in
10248 common cases. Return type changed to double_int.
10249 (record_estimate): Reflect the changed return type of
10250 derive_constant_upper_bound.
10251 * double-int.c (double_int_zext, double_int_sext): Fix.
10253 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10255 * configure.ac (CFLAGS): Get them from the toplevel or from the
10256 configure invocation.
10257 * configure: Regenerate.
10258 * Makefile.in (CFLAGS): Substitute value provided by configure.
10260 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10263 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10264 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10265 rather than calling add_stmt on it.
10266 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10268 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10270 PR middle-end/27959
10271 * reload1.c (reload): Remove registers returned by update_eliminables
10272 from used_spill_regs.
10274 2006-06-13 DJ Delorie <dj@redhat.com>
10276 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10278 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10280 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10281 html__strip_dir, html__mkdir_p. Enhance install-html target.
10282 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10283 * configure: Regenerate.
10285 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10287 * fold-const.c (fold_cond_expr_with_comparison): Check for
10288 Objective-C++ as language in deciding COND_EXPR transformation.
10290 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10293 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10294 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10295 * config/sh/lib1funcs.h (SL, SL1): Define.
10296 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10297 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10298 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10299 (OBJS_Os_4_200): New variable.
10300 ($(T)libgcc-Os-4-200.a): Use it.
10301 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10302 when dividing 1 and/or by 0.
10304 2006-06-13 Roger Sayle <roger@eyesopen.com>
10306 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10307 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10308 * configure: Regenerate.
10310 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10312 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10313 for real instruction.
10315 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10317 PR middle-end/26807
10318 * haifa-sched.c (check_cfg): Handle special case.
10320 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10323 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10324 Add debug_info parameter. Chain the vars to the BLOCK instead
10325 of the BIND_EXPR if debug info are requested for them.
10326 (pop_gimplify_context): Adjust for above change.
10327 (gimple_add_tmp_var): Likewise.
10328 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10329 Add bool parameter.
10330 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10331 (convert_local_reference): Likewise.
10332 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10333 (finalize_nesting_tree_1): Request that debug info be emitted
10334 for debug_var_chain.
10336 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10338 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10339 for PR target/27863.
10341 2006-06-13 Richard Guenther <rguenther@suse.de>
10343 PR middle-end/27536
10344 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10346 2006-06-13 Richard Guenther <rguenther@suse.de>
10348 PR tree-optimization/27830
10349 * tree-inline.c (copy_body_r): For copying the operand
10350 of an ADDR_EXPR make sure to fold &* afterwards.
10352 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10354 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10355 lvalues in the fb_none case with side-effects.
10357 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10359 * tree-flow.h: Remove the prototype for
10360 compute_phi_arg_on_exit.
10361 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10362 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10365 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10367 * builtins.c (expand_builtin_return_addr): Only use
10368 frame_pointer_rtx when count == 0 and we are expanding
10369 __builtin_return_address.
10371 2006-06-12 Fred Fish <fnf@specifix.com>
10373 * config/mips/mips.c (mips_file_start): Create special section
10374 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10376 2006-06-11 Eric Christopher <echristo@apple.com>
10378 PR middle-end/27948
10379 * stor-layout.c (place_field): Remove check for
10380 remaining_in_alignment when aligning at the end of a run.
10382 2006-06-11 Eric Christopher <echristo@apple.com>
10385 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10388 2006-06-11 Roger Sayle <roger@eyesopen.com>
10391 Revert incorrect fix for PR target/27158
10392 2006-05-08 Roger Sayle <roger@eyesopen.com>
10393 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10394 of a reg_equiv_constant if the result is a legitimate constant.
10396 2006-06-11 Roger Sayle <roger@eyesopen.com>
10399 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10400 extract a CONST_VECTOR element and interpret it as an integer.
10401 (vspltis_constant): Use const_vector_elt_as_int instead of the
10402 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10403 * config/rs6000/predicates.md (easy_vector_const): Consider
10404 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10406 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10408 PR middle-end/27942
10409 * stor-layout.c (update_alignment_for_field): Don't add extra
10410 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10413 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10415 * config/mips/t-rtems: Add EL/EB multilib variants.
10417 2006-06-09 Mike Stump <mrs@apple.com>
10419 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10421 2006-06-09 David Daney <ddaney@avtrex.com>
10423 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10425 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10427 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10429 2006-06-09 Richard Guenther <rguenther@suse.de>
10431 PR tree-optimization/26998
10432 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10433 of signed types, only TYPE_MIN_VALUE is special, but for both,
10434 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10435 in this case, as is -fwrapv.
10437 2006-06-08 Mike Stump <mrs@apple.com>
10440 * config/darwin.c (darwin_asm_output_anchor): Disable
10441 -fsection-anchors on darwin for now.
10442 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10443 * rs6000/rs6000.c (optimization_options): Likewise.
10445 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10448 * config/i386/i386.c (classify_argument): Skip fields with invalid
10451 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10453 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10454 (cse_insn): Likewise for the stack_pointer_rtx.
10456 2006-06-08 Roger Sayle <roger@eyesopen.com>
10458 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10459 conditions from floating point comparisons.
10461 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10463 PR middle-end/27733
10464 * expmed.c (struct alg_hash_entry): Fix type of field T
10465 to match synth_mult argument.
10466 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10468 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10471 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10474 2006-06-08 Richard Guenther <rguenther@suse.de>
10476 PR middle-end/27116
10477 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10478 only, if overflow is defined and not trapping.
10479 (negate_expr): Likewise.
10481 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10483 PR tree-optimization/27872
10484 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10485 flag on the new exit edge of the unrolled loop.
10487 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10489 PR rtl-optimization/26449
10490 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10492 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10494 PR middle-end/27793
10495 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10496 referenced_variables with matching DECL_UID's.
10497 (find_referenced_vars): Make sure duplicate list is empty to start.
10498 (referenced_var_p): Remove.
10499 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10500 Check if var is in the list, and add if needed. Update the duplicate
10501 list if a different var is in the list with the same DECL_UID.
10502 (add_referenced_var): Call routine to check and insert.
10503 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10504 * tree-flow.h (referenced_vars_dup_list): External declaration.
10506 2006-06-07 Fred Fish <fnf@specifix.com>
10508 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10511 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10514 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10515 the imaginary and real parts of a clobbered register.
10516 Emit insn to set the imaginary part.
10518 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10520 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10521 in lieu of unwind-dw2-fde.c.
10523 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10525 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10527 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10530 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10531 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10532 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10533 V4SImode temporaries and operations instead.
10535 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10537 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10540 2006-06-06 Mike Stump <mrs@apple.com>
10542 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10543 installing during build.
10545 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10547 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10549 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10550 * config/ia64/ia64.c (params.h): New header.
10551 (ia64_optimization_options): New function to adjust parameters.
10552 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10553 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10554 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10556 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10558 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10560 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10563 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10565 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10566 Victor Kaplansky <victork@il.ibm.com>
10568 PR tree-optimization/26360
10569 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10572 2006-06-04 Roger Sayle <roger@eyesopen.com>
10573 Andrew Pinski <pinskia@physics.uc.edu>
10575 PR middle-end/27382
10576 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10577 for LABEL_DECL before calling DECL_WEAK.
10580 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10581 LABEL_DECL and PARM_DECL.
10583 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10587 * c-decl.c (grokdeclarator): Disallow variably modified types at
10588 file scope. Avoid marking shared array type of constant size as
10591 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10594 * c-common.c (fold_offsetof_1): Handle static members.
10596 2006-06-04 Eric Christopher <echristo@apple.com>
10598 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10599 (debug_rli): Output value for remaining_in_alignment.
10600 (update_alignment_for_field): Unconditionalize
10601 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10602 extra alignment code.
10603 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10604 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10605 * tree.h (record_layout_info_s): Remove prev_packed.
10606 * doc/extend.texi (ms_struct): Add documentation of format.
10608 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10610 * tree.h: Declare folding_initializer.
10611 * builtins.c (fold_builtin_constant_p): Give definite answer
10612 if folding inside an initializer.
10613 * fold-const.c: Define folding_initializer.
10614 (START_FOLD_INIT): Save and then set folding_initializer.
10615 (END_FOLD_INIT): Restore folding_initializer.
10617 2006-06-04 Richard Guenther <rguenther@suse.de>
10619 PR tree-optimization/27039
10620 * fold-const.c (fold_comparison): Handle pointer comparison
10621 again for all comparison codes. Compare offsets in signed
10623 (fold_binary): Move code from here.
10625 2006-06-03 Roger Sayle <roger@eyesopen.com>
10628 * config/i386/i386.c (construct_container): Split static issued_error
10629 flag into issued_sse_arg_error, issued_sse_ret_error and
10630 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10631 requires the use of x87 registers and the user explicitly
10632 specified the -mno-80387 command line option.
10634 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10636 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10637 HAVE_DECL_SIGALTSTACK.
10639 (segv_handler): Use MC_FLD.
10640 * configure.ac: Check for a sigaltstack declaration.
10641 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10642 * configure: Regenerate.
10643 * config.in: Regenerate.
10645 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10648 * Makefile.in (stmp-fixinc): Fix typo.
10650 2006-06-02 Roger Sayle <roger@eyesopen.com>
10652 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10653 are type correct. Clean-up.
10654 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10655 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10657 2006-06-01 DJ Delorie <dj@redhat.com>
10659 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10660 shift, as we've disabled the "switch" insn that needs it.
10662 2006-06-01 Per Bothner <bothner@bothner.com>
10664 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10665 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10666 * c-ppoutput.c (cb_define): Don't increment line 0.
10668 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10670 * doc/invoke.texi: Add cpu_type power6.
10671 * config.gcc: Add cpu_type power6.
10672 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10673 to power5+ with Altivec.
10674 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10675 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10677 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10679 * config/avr/avr.h (SET_ASM_OP): Define.
10681 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10683 * config/bfin/bfin.c: Fix comment typos.
10685 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10688 * doc/install.texi: Document --enable-bootstrap and
10689 --disable-bootstrap.
10691 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10693 * doc/install.texi: Document that InfoZIP can replace jar.
10695 2006-05-31 Roger Sayle <roger@eyesopen.com>
10697 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10698 isn't available, directly generate the simpler x87 patterns without
10699 the (use (const_int 0)).
10700 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10701 implementation isn't available.
10702 (*negdf2_1): Likewise.
10703 (*negxf2_1): XF mode negation is always done using the x87.
10704 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10706 2006-05-31 Roger Sayle <roger@eyesopen.com>
10708 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10709 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10711 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10713 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10715 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10716 * config/bfin/bfin.c (basic-block.h): Include.
10717 (struct machine_function): New.
10718 (bfin_init_machine_status): New.
10719 (override_options): Initialize init_machine_status.
10720 (bfin_hardware_loop): New.
10721 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10722 (DEF_VEC_P (loop_info)): New.
10723 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10724 (struct loop_info): New.
10725 (loop_info): New typedef.
10726 (struct loop_work): New.
10727 (loop_work): New typedef.
10728 (DEF_VEC_O (loop_work)): New.
10729 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10730 (bfin_dump_loops): New.
10731 (bfin_bb_in_loop): New.
10732 (bfin_scan_loop): New.
10733 (bfin_optimize_loop): New.
10734 (bfin_reorg_loops): New.
10735 (bfin_reorg): Use bfin_reorg_loops.
10736 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10738 (I_REGNO_P): Simplify.
10739 (DP_REGNO_P, DPREG_P): New macros.
10740 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10741 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10742 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10743 Add LT_REGS, LC_REGS, LB_REGS.
10744 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10746 (REGNO_REG_CLASS): Deal with loop registers.
10747 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10749 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10750 New constants for loop registers.
10751 (UNSPEC_LSETUP_END): New.
10752 (seq_insns): New define_attr. Set it for appropriate insns.
10753 (movsi_insn): Add alternatives for move from/to
10754 loop count registers.
10755 (doloop_end): New define_expand.
10756 (loop_end): New define_insn.
10757 (define_split for bad doloop_end): New.
10758 (lsetup_with_autoinit): New define_insn.
10759 (lsetup_without_autoinit): New define_insn.
10760 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10761 * config/bfin/predicates.md (lc_register_operand): New.
10762 (lt_register_operand): New.
10763 (lb_register_operand): New.
10764 (nondp_register_operand): New.
10765 (nondp_reg_or_memory_operand): New.
10766 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10768 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10770 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10771 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10773 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10775 * Makefile.in (CATALOGS): Add po/ prefix.
10776 * configure: Regenerated.
10778 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10781 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10782 a shift operand before calling shift_op. Avoid redundant call of
10785 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10786 DJ Delorie <dj@redhat.com>
10788 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10789 we're inserting is a singlt-bit constant.
10791 2006-05-30 Roger Sayle <roger@eyesopen.com>
10793 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10794 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10796 2006-05-30 Roger Sayle <roger@eyesopen.com>
10798 PR tree-optimization/23452
10799 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10800 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10801 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10802 complex values and with -ffast-math for FP complex values.
10804 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10806 * c-common.h: Remove the prototype for yyparse.
10807 * rtl.h: Remove the prototype for init_loop.
10809 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10811 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10814 2006-05-30 Roger Sayle <roger@eyesopen.com>
10816 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10818 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10819 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10821 2006-05-30 Dirk Mueller <dmueller@suse.de>
10824 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10825 for CONSTANT_CLASS_P expresisons.
10827 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10830 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10832 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10834 PR tree-optimization/27779
10835 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10836 initial_condition instead of CHREC_LEFT.
10838 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10840 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10841 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10842 Make prototypes ISO C90.
10844 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10845 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10847 * see.c (see_analyze_one_def): Correct check.
10848 (see_get_extension_data): Check if extension is parallel.
10849 (see_get_extension_reg): Likewise.
10851 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10854 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10855 into register for (code == GTU).
10857 2006-05-29 Roger Sayle <roger@eyesopen.com>
10859 PR tree-optimization/24964
10860 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10861 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10862 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10863 abs(x)*abs(x) as x*x for scalar floating point modes.
10865 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10867 PR middle-end/27745
10868 * lambda-code.c (perfect_nestify): Don't copy statements
10869 in the inner loop: move them to the inner loop header.
10871 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10874 * c-tree.texi: Document OpenMP directives and clauses.
10876 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10878 * varasm.c (globalize_decl): Fix indentation.
10880 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10883 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10884 pass_fre, pass_store_ccp, pass_copy_prop,
10885 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10886 pass_return_slot, pass_object_size, pass_lim,
10887 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10888 pass_loop_prefetch and pass_stdarg.
10890 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10892 * config/bfin/bfin.opt (mfdpic): New option.
10893 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10894 (EXTRA_MULTILIB_PARTS): Likewise.
10895 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10896 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10898 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10899 (CRT_CALL_STATIC_FUNCTION): New.
10900 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10902 (CRT_CALL_STATIC_FUNCTION): New.
10903 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10905 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10906 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10907 (initialize_trampoline): Changed to handle FD-PIC code generation.
10908 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10909 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10910 (override_options): Disallow -mid-shared-library -mfdpic combination.
10911 Can't do unaligned ops if FD-PIC.
10912 Turn off flag_pic if trying to generate non-id-shared-library
10913 non-fdpic code, since it's not supported.
10914 (bfin_assemble_integer): New function.
10915 (TARGET_ASM_INTEGER): Define.
10916 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10918 * config/bfin/crtn.s: Restore them.
10919 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10921 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10922 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10923 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10924 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10925 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10927 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10928 FDPIC_REGS and FDPIC_FPTR_REGS.
10929 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10930 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10931 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10932 (load_funcdescsi): New pattern.
10933 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10934 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10935 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10937 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10939 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10942 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10944 * tree-flow.h: Remove the prototype for add_type_alias.
10945 * tree-ssa-alias.c (add_type_alias): Remove.
10947 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10949 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10950 config/fr30/fr30.md, config/i386/i386-interix.h,
10951 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10952 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10953 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10954 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10955 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10956 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10957 Follow spelling conventions.
10958 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10959 Follow spelling conventions.
10961 2006-05-27 Richard Guenther <rguenther@suse.de>
10963 PR middle-end/27773
10964 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10965 to produce a constant of value 1 of generic type.
10967 2006-05-27 Dirk Mueller <dmueller@suse.de>
10969 * cgraphunit.c (decide_is_function_needed): Fix wrong
10972 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10974 PR rtl-optimization/27661
10975 * reload.c (find_reloads): When reloading a VOIDmode constant
10976 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10977 use Pmode as mode of the reload register.
10979 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10981 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10982 is enabled at -O and above.
10984 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10987 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10990 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10993 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10994 for anonymous variables explicitly declared by front ends.
10996 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10998 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10999 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11000 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11001 ref-all pointers, run a finalization pass for them.
11002 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11003 (finalize_ref_all_pointers): New function.
11004 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11005 regular pointer type to a ref-all pointer type.
11006 (get_tmt_for): Return the special memory tag for ref-all pointers.
11008 2006-05-25 Richard Guenther <rguenther@suse.de>
11010 PR middle-end/27743
11011 * fold-const.c (fold_binary): Do not look at the stripped
11012 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11014 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11016 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11017 for LT and GT if the computed range is effectively empty.
11019 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11022 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11023 mips_quad_format formats instead of ieee_single_format,
11024 ieee_double_format and ieee_quad_format formats, respectively.
11026 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11028 PR tree-optimization/27639
11029 PR tree-optimization/26719
11030 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11031 call to scev_probably_wraps_p.
11032 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11033 used_in_pointer_arithmetic_p, convert_step): Removed.
11034 (nowrap_type_p): New function.
11035 (scev_probably_wraps_p): Rewritten.
11036 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11037 chrec_convert if chrec_convert_aggressive might have been used.
11038 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11039 scev_direction): New functions.
11040 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11041 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11042 instead of convert_step.
11043 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11044 (convert_step): Declaration removed.
11045 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11047 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11049 * df-core.c: Added to header comments.
11050 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11051 df_ur_bb_info, df_urec_bb_info): Added comments.
11052 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11053 urec, ri problems): Fixed header comments.
11054 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11055 code from df_rd_transfer_function.
11057 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11059 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11060 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11061 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11063 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11065 * expr.c (undefined_operand_subword_p): New.
11066 (emit_move_multi_word): Do not generate move from undefined bits
11067 of a paradoxical subreg.
11069 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11071 PR rtl-optimization/27736
11072 * combine.c (replaced_rhs_value): New variable.
11073 (combine_instructions): Set it.
11074 (distribute_notes): When distributing a note in replaced_rhs_insn,
11075 check whether the value was used in replaced_rhs_value.
11077 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11080 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11081 add_referenced_var instead of add_referenced_tmp_var.
11082 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11083 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11084 add_referenced_var.
11085 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11086 tree_optimize_tail_calls_1): Use add_referenced_var.
11087 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11088 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11089 Use add_referenced_var.
11090 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11091 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11092 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11093 Use add_referenced_var.
11094 * tree-dfa.c (struct walk_state): Remove.
11095 (find_referenced_vars): Remove walk state and vars_found hash table.
11096 (make_rename_temp): Use add_referenced_var.
11097 (find_vars_r): Pass less parameters to add_referenced_var.
11098 (referenced_var_p): New. Is var in referenced_var hash table.
11099 (referenced_var_insert): Assert var isn't already in hash table.
11100 (add_referenced_var): Don't need walk_state parameter. Add var if it
11101 isn't already in the hash table.
11102 (add_referenced_tmp_var): Remove.
11103 (find_new_referenced_vars_1): Use add_referenced_var.
11104 * tree-ssa-pre.c (create_expression_by_pieces,
11105 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11106 Use add_referenced_var.
11107 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11108 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11109 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11110 add_referenced_var.
11111 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11112 vect_create_data_ref_ptr, vect_create_destination_var,
11113 vect_init_vector, vect_build_loop_niters,
11114 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11115 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11116 Use add_referenced_var.
11117 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11118 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11119 (add_referenced_var): Add prototype.
11120 * tree-ssa-structalias.c (get_constraint_for,
11121 intra_create_variable_infos): Use add_referenced_var.
11123 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11125 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11126 big-endian paradoxical subregs.
11127 * var-tracking.c (struct micro_operation_def): Document that,
11128 for modify micro operations, insn is the subsequent instruction.
11129 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11130 (var_reg_set, var_mem_set): ... new functions.
11131 (add_stores): Record subsequent insn.
11132 (compute_bb_dataflow): Use new functions for MO_USE.
11133 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11134 notes after the insn, and modify notes before the insn known
11135 to be the subsequent one.
11136 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11138 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11141 * config/i386/i386.c (ix86_expand_builtin): Use
11142 gen_sse3_monitor64 for TARGET_64BIT.
11144 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11146 PR rtl-optimization/26375
11147 PR rtl-optimization/26855
11148 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11150 (df_ru_bb_local_compute): Reversed statements and removed bogus
11151 comment explaining why they should be in wrong order.
11152 (df_ru_dump, df_rd_dump): Enhanced debug info.
11153 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11155 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11156 reaching uses and fixed space problem.
11158 2006-05-23 Jan Hubicka <jh@suse.cz>
11160 * cgraphunit.c (decide_is_function_needed): Also nested functions
11161 and functions declared inline can be optimized out at -O0.
11163 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11165 * doc/install.texi (Configuration): Remove reference to CrossGCC
11166 FAQ which was gone.
11169 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11172 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11173 ix86_compare_emitted is non-NULL.
11175 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11178 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11181 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11183 PR rtl-optimization/25514
11184 * combine.c (replaced_rhs_insn): New variable.
11185 (combine_instructions): Set replaced_rhs_insn when trying to replace
11186 a SET_SRC with a REG_EQUAL note.
11187 (distribute_notes): Use replaced_rhs_insn when determining the live
11188 range of a REG_DEAD register.
11190 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11191 Anatoly Sokolov <aesok@post.ru>
11193 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11194 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11195 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11196 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11197 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11198 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11199 at90usb647, at90usb1286 and at90usb1287 devices.
11200 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11201 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11203 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11205 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11207 2006-05-22 Richard Guenther <rguenther@suse.de>
11210 2006-01-31 Richard Guenther <rguenther@suse.de>
11211 Paolo Bonzini <bonzini@gnu.org>
11213 * doc/install.texi (--disable-libgcc-math): Document.
11215 2006-05-22 Richard Guenther <rguenther@suse.de>
11218 2006-01-31 Richard Guenther <rguenther@suse.de>
11220 * doc/invoke.texi (-msselibm): Document.
11221 * target.h (expand_library_builtin): New target hook.
11222 * builtins.c (expand_builtin): Use expand_library_builtin.
11223 (default_expand_library_builtin): New function.
11224 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11225 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11226 (link_gcc_math_spec): Declare.
11227 (static_specs): Add link_gcc_math_spec.
11228 * expr.h (default_expand_library_builtin): Declare.
11229 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11230 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11231 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11232 * config/i386/i386.opt (msselibm): New target option.
11233 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11234 (ix86_init_sse_abi_builtins): New function.
11235 (ix86_expand_library_builtin): Likewise.
11236 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11237 (override_options): Handle error conditions wrt -msselibm.
11238 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11239 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11240 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11243 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11246 * c-common.c (self_promoting_args_p): Skip erroneous args.
11249 * c-decl.c (finish_struct): Skip erroneous fields.
11251 2006-05-22 Nick Clifton <nickc@redhat.com>
11253 * config/cris/cris.opt (march): Remove VarExists attribute.
11254 (max-stackframe=): Likewise.
11256 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11258 * doc/rtl.texi: Fix a typo.
11259 * see.c: Fix comment typos.
11261 * tree-ssa-structalias.h (alias_info): Remove num_references.
11263 2006-05-21 Mike Stump <mrs@apple.com>
11265 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11267 (darwin_pragma_options): Use BAD instead.
11268 (darwin_pragma_unused): Likewise.
11269 (darwin_pragma_ms_struct): Likewise.
11271 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11273 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11275 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11277 PR rtl-optimization/27671
11278 * simplify-rtx.c (simplify_relational_operation_1): Fix
11279 simplifications of (eq/ne (xor x y) y) and
11280 (eq/ne (xor x y) x).
11282 PR tree-optimization/26622.
11283 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11286 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11288 * tree-cfg.c: Prune whitespace.
11289 (debug_tree_cfg): Point to correct header containing the
11292 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11294 PR middle-end/25776
11295 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11297 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11299 PR middle-end/25776
11300 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11301 or sorry count is non zero.
11303 2006-05-20 Andreas Schwab <schwab@suse.de>
11305 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11307 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11308 Kenneth Zadeck <zadeck@naturalbridge.com>
11310 PR rtl-optimization/26855
11312 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11314 (df_scan_alloc): Added code to properly handle multiword hard
11315 registers and add all_blocks parameter.
11316 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11317 code to properly handle multiword hard registers.
11318 (df_rescan_blocks): Added code to remove deleted blocks from
11320 (df_ref_create_structure, df_ref_record): Added code to properly
11322 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11323 and set DF_REF_PARTIAL.
11324 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11325 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11326 (df_scan_add_problem): Added flags parameter.
11327 (df_ref_create_structure): Changed switching structure.
11328 (df_bb_refs_record): Fixed case where duplicate artificial refs
11329 were created. Changed location of flags.
11330 (df_record_entry_block_defs): Added code to make stack pointer
11331 live in entry block. Refined cases where frame pointer is needed.
11332 Changed location of flags.
11333 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11334 (df_set_state): Removed function.
11335 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11336 df_insn_create_insn_record, df_insn_refs_delete,
11337 df_ref_create_structure): Formatting changes.
11338 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11339 df_delete_basic_block): New function.
11340 (df_init): Changed location of flags.
11341 (df_add_problem): Added flags parameter and the way flags are
11343 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11344 debug_df_chain): Improved debugging output.
11345 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11346 (df_refs_chain_dump): Removed df parameter.
11347 (df_iterative_dataflow): Added consistency check.
11348 (df_prune_to_subcfg): Made public.
11349 (df_analyze_problem): Added blocks_to_init parameter and made
11351 (df_ref_record, df_bb_refs_record, df_mark_reg,
11352 df_record_exit_block_uses): Whitespace changes.
11353 (df_dump): Whitespace changes.
11354 * df.h: Some reordering to remove forward references.
11355 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11356 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11357 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11358 (dataflow.flags): New field.
11359 (df.flag): Deleted field.
11360 (df_alloc_function): Added additional bitmap parameter.
11361 (df_dependent_problem_function): New type.
11362 (df_problem.changeable_flags): New field.
11363 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11364 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11365 (df_mw_hardreg): New struct.
11366 (DF_INSN_UID_MWS): New macro.
11367 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11369 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11370 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11371 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11372 (df_set_state): Removed function.
11373 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11374 * df-problems.c (df_chain_dump): Removed df parameter.
11375 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11376 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11378 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11379 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11380 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11381 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11382 DF_REF_MUST_CLOBBER cases.
11383 (df_ru_bb_local_compute_process_def,
11384 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11385 df_lr_bb_local_compute, df_ur_bb_local_compute,
11386 df_chain_create_bb): Made subreg aware.
11387 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11388 df_lr_bb_local_compute, df_lr_bb_local_compute,
11389 df_chain_create_bb): Cleanup to use proper macros.
11390 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11391 code to fixup bitvectors.
11392 (df_ri_alloc): Cleared lifetime.
11393 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11394 df_create_unused_note): New function.
11395 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11396 REG_DEAD and REG_UNUSED notes as well as register information.
11397 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11398 df_chains_dump): Fixed crash if problem was never run.
11399 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11400 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11401 df_ri_add_problem): Processes flags in uniform manner.
11402 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11403 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11404 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11405 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11406 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11407 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11408 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11409 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11410 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11411 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11412 * see.c (see_initialize_data): Ditto.
11413 * final.c (rest_of_clean_state) Added regstack_completed.
11414 * rtl.h (regstack_completed): Ditto.
11415 * reg-stack.c (regstack_completed): Ditto.
11417 2006-05-19 Mike Stump <mrs@apple.com>
11419 * c-tree.h (default_conversion): Remove.
11420 * c-common.h (default_conversion): Add.
11422 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11424 * tree-vrp.c (valid_value_p): New function.
11425 (adjust_range_with_scev): Fail if the value of bound is not
11428 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11430 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11431 (mips_fallback_frame_state): Use syscall numbers to determine
11432 the appropriate li instruction for the current ABI. Only use
11433 __NR_sigreturn for o32.
11435 2006-05-19 Nicolas Setton <setton@adacore.com>
11437 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11438 * langhooks.c (lhd_dwarf_name): New function.
11439 * langhooks-def.h (lhd_dwarf_name): Declare.
11440 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11441 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11443 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11445 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11447 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11448 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11449 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11450 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11451 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11452 determine the size of Wtype, etc.
11453 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11454 (swfloatfuncs): New variable.
11455 (dwfloatfuncs): Likewise.
11456 (lib2funcs): Remove floating-point conversion functions from
11457 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11458 the set of conversion routines needed. Allow entries to specify
11459 an object name, filename and word size. Update users accordingly.
11460 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11461 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11465 2006-02-08 Roger Sayle <roger@eyesopen.com>
11468 * config/fixtfdi.c: New libgcc source file.
11469 * config/fixunstfdi.c: New source file.
11470 * config/floatditf.c: New source file.
11471 * config/floatunditf.c: New souce file.
11472 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11473 files above instead of config/mips/_tilib.c.
11474 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11476 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11478 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11479 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11481 2006-05-18 Mike Stump <mrs@apple.com>
11483 Fix up vla, vm and [*] sematics.
11489 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11490 (c_vla_unspec_p): Add.
11491 (c_vla_type_p): Add.
11492 * c-decl.c (struct c_scope): Add had_vla_unspec.
11493 (build_array_declarator): Add support for [*].
11494 (grokdeclarator): Likewise.
11495 (grokparms): Likewise.
11496 (get_parm_info): Likewise.
11497 * c-objc-common.c (c_vla_unspec_p): Likewise.
11498 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11499 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11500 typeof when argument is a variably modified type not inside sizeof or alignof.
11501 (c_parser_direct_declarator_inner): Propagate errors.
11502 (c_parser_sizeof_expression): Add support for [*].
11503 (c_parser_parms_declarator): Initialize had_vla_unspec.
11504 (c_parser_parms_list_declarator): Likewise.
11505 * c-typeck.c (c_vla_type_p): Add.
11506 (composite_type): Add support for vla compositing.
11507 (comptypes_internal): Add support for vla compatibility.
11508 (c_expr_sizeof_expr): Evaluate vla arguments.
11509 * tree.c (variably_modified_type_p): Update comment for [*].
11511 2006-05-18 Michael Matz <matz@suse.de>
11514 * config.host: Make assignments to host_xmake_file cumulative.
11515 * config.host (*-darwin*): Test $host, not $target.
11517 2006-05-12 Stuart Hastings <stuart@apple.com>
11519 * config/i386/i386.opt (-mstackrealign): New flag.
11520 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11521 (ix86_handle_cconv_attribute): Emit error when
11522 force_align_arg_pointer attribute collides with too many regparms.
11523 (ix86_function_regparm): Limit regparms when used with
11524 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11525 Support stack-realigning prologue in non-main functions. Emit
11526 warning for nested functions under -mstackrealign, emit error for
11527 nested functions with force_align_arg_pointer attribute.
11528 * doc/extend.texi (force_align_arg_pointer): Document it.
11529 * doc/invoke.texi (-mstackrealign): Document it.
11531 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11533 PR rtl-optimization/27477
11534 * combine.c (try_combine): Don't split a parallel consisting
11535 of two sets into two individual sets if both sets reference
11538 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11540 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11541 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11543 * doc/options.texi (VarExists): Updated.
11545 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11547 * unwind-dw2.c: Add declarations for uw_update_context and
11548 uw_frame_state_for.
11549 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11550 detected, advance frame state and context once to skip over stub.
11552 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11554 PR middle-end/20256
11555 PR middle-end/26435
11556 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11557 Call rewrite_into_loop_closed_ssa only when something changed.
11558 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11559 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11560 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11561 Test for perfect_nest_p here. Fix formating.
11562 (replace_uses_equiv_to_x_with_y): Fix formating.
11563 (stmt_uses_op): Removed.
11564 (can_convert_to_perfect_nest): Removed loopivs parameter.
11565 Complete the test by checking the scalar dependences.
11566 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11569 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11572 From Dan Kegel <dank@kegel.com>:
11573 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11575 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11577 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11578 if the element type is variably modified without recursing.
11580 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11582 PR middle-end/27332
11583 * tree-loop-linear.c (try_interchange_loops): Test for
11584 no data dependences.
11586 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11588 PR tree-optimization/27548
11589 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11590 range of ssa names that appear on abnormal edges.
11591 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11592 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11594 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11596 PR middle-end/27620
11597 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11599 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11601 PR middle-end/27415
11602 * tree.h (OMP_PARALLEL_COMBINED): Define.
11603 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11604 (new_omp_context): Add is_combined_parallel argument.
11605 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11606 new_omp_context caller.
11607 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11608 Adjust gimplify_scan_omp_clauses callers.
11609 (omp_is_private): Issue errors if iteration variable is firstprivate
11610 or reduction in the current context.
11611 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11612 on combined parallel workshare constructs.
11614 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11616 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11617 (gcc-options.o): New rule.
11619 * optc-gen.awk: Protect variables for gcc-options.o with
11620 #ifdef GCC_DRIVER/#endif.
11622 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11624 Fix PR tree-optimization/27373
11625 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11626 (forward_propagate_addr_expr): Update call.
11628 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11630 * doc/options.texi: Move the Negative option.
11632 2006-05-16 Richard Guenther <rguenther@suse.de>
11634 PR tree-optimization/22303
11635 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11637 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11638 ccp_fold did not simplify the statement.
11640 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11643 * Makefile.in (GCC_OBJS): New.
11644 (OBJS-common): Add opts-common.o.
11645 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11646 (cpp$(exeext)): Likewise.
11647 (gcc.o): Also depend on opts.h.
11648 (opts-common.o): New.
11650 * common.opt (gcoff): Add Negative(gdwarf-2).
11651 (gdwarf-2): Add Negative(gstabs).
11652 (gstabs): Add Negative(gstabs+).
11653 (gstabs+): Add Negative(gvms).
11654 (gvms): Add Negative(gxcoff).
11655 (gxcoff): Add Negative(gxcoff+).
11656 (gxcoff+): Add Negative(gcoff).
11657 * config/i386/i386.opt (m32): Add Negative(m64).
11658 (m64): Add Negative(m32).
11660 * doc/options.texi: Document the Negative option.
11662 * gcc.c: Include "opts.h".
11663 (main): Call prune_options after expandargv.
11665 * optc-gen.awk: Generate common declarations for all flag
11666 variables in options.c. Output the neg_index field.
11668 * opts.c (find_opt): Moved to ...
11669 * opts-common.c: Here. New file.
11671 * opts.h (cl_option): Add a neg_index field.
11673 (prune_options): Likewise.
11675 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11677 PR middle-end/27573
11678 * omp-low.c (expand_omp_parallel): Don't assert
11679 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11680 instead search for it.
11683 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11686 2006-05-16 Andreas Schwab <schwab@suse.de>
11688 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11691 2006-05-15 Roger Sayle <roger@eyesopen.com>
11694 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11695 integer constants other than zero are only legitimate on TARGET_64BIT.
11696 <CONST_VECTOR> Only zero vectors are legitimate.
11697 (ix86_cannot_force_const_mem): Integral and vector constants can
11698 always be put in the constant pool.
11700 2006-05-16 DJ Delorie <dj@redhat.com>
11702 * crtstuff.c (__dso_handle): Set section from
11703 TARGET_LBIGCC_SDATA_SECTION if defined.
11704 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11705 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11707 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11710 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11713 2006-05-16 Ben Elliston <bje@au.ibm.com>
11715 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11717 2006-05-15 Per Bothner <per@bothner.com>
11719 * tree.c: (last_annotated_node): Use source_locus typedef.
11720 This permits bootstrapping with --enable-mapped-location.
11722 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11724 PR tree-optimization/26830
11725 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11726 (info_for_ssa_name, current_info_for_ssa_name_age,
11727 blocks_to_update): New variables.
11728 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11729 (clear_ssa_name_info, initialize_flags_in_bb,
11730 mark_block_for_update): New functions.
11731 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11732 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11733 prepare_def_site_for): Use mark_block_for_update.
11734 (mark_def_interesting): Assert that the processed block is marked in
11735 blocks_to_update. Do not take blocks argument.
11736 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11738 (rewrite_update_init_block, rewrite_update_stmt): Only process
11739 blocks with statements to rewrite.
11740 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11741 (update_ssa): Initialize and free blocks_to_update. Do not
11742 clear flags on statements. Do not use blocks bitmap.
11743 * tree.h (SSA_NAME_AUX): Removed.
11744 (struct tree_ssa_name): Removed aux field.
11745 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11747 2006-05-15 Richard Guenther <rguenther@suse.de>
11749 PR tree-optimization/27603
11750 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11751 Do computations in original type.
11753 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11755 * see.c: Code style changes such as redundant paranthesis,
11756 redundant intialization of local variables etc.
11757 (see_main): Declared now as static.
11758 * doc/invoke.texi: Update that -fsee is not enabled by
11761 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11763 * omp-low.c (check_omp_nesting_restrictions): New function.
11764 (scan_omp_1): Call it.
11766 PR middle-end/27416
11767 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11768 construct, return *VAR.
11770 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11772 PR rtl-optimization/27406
11773 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11776 2006-05-14 Roger Sayle <roger@eyesopen.com>
11778 PR rtl-optimization/27538
11779 * combine.c (expand_compound_operation): Call gen_lowpart
11780 before calling simplify_shift_const.
11782 2006-05-14 Roger Sayle <roger@eyesopen.com>
11784 PR rtl-optimization/22563
11785 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11786 a fixed width bitfield, always force the intermediates into psuedos.
11788 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11791 * mkconfig.sh: Use operator = instead of == for test.
11793 2006-05-13 Nick Clifton <nickc@redhat.com>
11795 * dwarf2out.c (dbx_reg_number): Check return value from
11796 LEAF_REG_REMAP and only use it if it is valid.
11797 (multiple_reg_loc_descriptor): Likewise.
11799 2006-05-13 Richard Guenther <rguenther@suse.de>
11801 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11804 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11806 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11807 information attached to non-INSNs such as NOTEs.
11808 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11810 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11812 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11814 * config/s390/s390.md: Adjust comment describing On constraint.
11816 2006-05-11 Jan Hubicka <jh@suse.cz>
11818 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11819 to be output at -O0.
11821 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11823 PR middle-end/27384
11824 * fold-const.c (size_binop): Move sanity check for arguments to
11825 the beginning of the function.
11827 PR middle-end/27488
11828 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11831 2006-05-11 Richard Guenther <rguenther@suse.de>
11833 PR middle-end/27529
11834 * fold-const.c (fold_unary): Handle intermediate conversion
11835 to a pointer type like intermediate conversion to an integer
11836 type in folding of (T1)(T2)var to var.
11837 Match the code to the comment in the final conversion for
11838 (T1)(T2)var to (T1)var regarding to type precision. Rather
11839 than disallow T1 being of pointer type, assert that both T1
11840 and var are of pointer type or not. Make sure not to fall
11841 over the frontends lazyness wrt array to pointer decay though.
11843 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11845 * arm.c (arm_struct_value_rtx): Delete.
11846 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11847 (arm_init_cumulative_args): Always initialize nregs to zero.
11849 2006-05-10 Richard Guenther <rguenther@suse.de>
11851 PR tree-optimization/27532
11852 * tree-object-size.c (plus_expr_object_size): Fix typo.
11854 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11857 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11858 ashrdi_const, ashrdi3): Use a scratch register.
11860 2006-05-10 Richard Guenther <rguenther@suse.de>
11862 PR tree-optimization/27302
11863 * fold-const.c (operand_equal_p): For two comparisons,
11864 try comparison of one comparison code swapped if that yields
11867 2006-05-10 Ben Elliston <bje@au.ibm.com>
11869 * tree-pretty-print.c (pretty_print_string): No need to handle
11870 '\0' as a special character.
11872 * tree.h: Include "hashtab.h".
11873 (iterative_hash_expr): Use hashval_t in its prototype.
11874 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11876 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11879 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11880 (hppa*64*-*-hpux11*): Ditto.
11881 (hppa[12]*-*-hpux11*): Ditto.
11883 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11886 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11888 2006-05-09 Michael Matz <matz@suse.de>
11890 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11891 host_extra_gcc_objs and host_xmake_file.
11892 (<*-*-linux*>): Don't overwrite host_xmake_file.
11893 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11894 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11895 (host_detect_local_cpu): Declare.
11896 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11897 * config/i386/i386.c (override_options): Handle -mtune=native
11899 * config/i386/x-i386: New file.
11900 * config/i386/driver-i386.c: New file.
11901 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11904 2006-05-09 Dirk Mueller <dmueller@suse.de>
11905 Richard Guenther <rguenther@suse.de>
11907 PR middle-end/27498
11908 * fold-const.c (fold_read_from_constant_string): Relax check
11909 for matching types to matching modes.
11911 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11913 PR rtl-optimization/27335
11914 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11917 2006-05-08 Chao-ying Fu <fu@mips.com>
11918 Richard Sandiford <richard@codesourcery.com>
11920 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11921 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11922 * config/mips/mips.md (UNSPEC_SCC): New constant.
11923 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11924 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11925 (mips_emit_compare): Use it.
11926 (mips_expand_vcondv2sf): New function.
11928 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11930 Fix PR tree-optimization/27093
11931 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11932 renaming when they become not-used_alone.
11934 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11936 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11937 relocation and relocation stubs.
11939 2006-05-08 Eric Christopher <echristo@apple.com>
11941 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11944 2006-05-08 Jan Hubicka <jh@suse.cz>
11946 PR middle-end/24561
11947 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11948 unused static functions are needed.
11950 2006-05-08 Roger Sayle <roger@eyesopen.com>
11953 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11954 of a reg_equiv_constant if the result is a legitimate constant.
11956 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11959 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11960 standard 80387 constants, raise the cost to prevent
11961 compress_float_constant() to generate load from memory.
11963 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11965 * config/arm/constraints.md (c): Fix a typo.
11967 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11970 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11973 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11975 (_mm_mwait): Likewise.
11977 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11979 (sse3_monitor): Make it 32bit only.
11980 (sse3_monitor64): New. 64bit monitor.
11982 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11985 * config/i386/i386.c (classify_argument): Skip fields with invalid
11988 2006-05-07 Richard Guenther <rguenther@suse.de>
11990 PR tree-optimization/27409
11991 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11992 Do not try to find zero-sized subvars.
11994 2006-05-07 Richard Guenther <rguenther@suse.de>
11996 PR tree-optimization/27136
11997 * tree-ssa-loop-niter.c (get_val_for): Correct function
11998 comment, assert requirements.
11999 (loop_niter_by_eval): Stop processing if the iterated
12000 value did not simplify.
12002 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12004 * opts.c (flag_see): remove its setting at -O3.
12006 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12008 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12009 * arm/constraints.md: New file.
12010 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12011 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12012 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12013 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12014 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12015 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12016 * arm.md: Include constraints.md.
12017 (thumb_movsi_insn): Use satisfies_constraint_J.
12018 (movhi, movqi): Use satisfies_constraint_I.
12020 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12022 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12023 for atmeg a645 device.
12025 2006-05-06 Richard Guenther <rguenther@suse.de>
12027 PR tree-optimization/27151
12028 * tree-vect-transform.c (vectorizable_condition): Punt on
12029 values that have a different type than the condition.
12031 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12034 * c-parser.c (c_parser_cast_expression): Only insert casts into
12035 hash table if pointer.
12036 * function.c (used_types_insert_helper): Rename from
12038 (used_types_insert): Call used_types_insert_helper.
12039 * function.h (used_types_insert): Accept only one argument.
12041 2006-05-05 David Edelsohn <edesohn@gnu.org>
12043 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12044 scratch with output modifier.
12046 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12049 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12050 with output modifier.
12052 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12055 * config/mips/mips.c (mips_symbolic_address_p): Return true
12056 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12057 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12059 2006-05-04 Richard Guenther <rguenther@suse.de>
12061 PR tree-optimization/14287
12062 PR tree-optimization/14844
12063 PR tree-optimization/19792
12064 PR tree-optimization/21608
12065 PR tree-optimization/27090
12066 * tree-ssa-pre.c (try_combine_conversion): New function.
12067 (compute_avail): After constructing the value-handle
12068 expression, use try_combine_conversion to combine NOP_EXPRs
12069 with previous value-handle expressions and use the result if it
12072 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12074 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12076 2006-05-04 Jan Hubicka <jh@suse.cz>
12078 PR middle-end/25962
12079 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12081 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12083 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12084 that this only matches CONST_INTs. All users changed to VOIDmode
12087 * config/bfin/bfin.c: Include "optabs.h".
12088 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12090 (enum bfin_builtins): Add a number of fractional and vector builtins.
12091 (bfin_init_builtins): Likewise.
12092 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12093 (safe_vector_operand, bfin_expand_binop_builtin,
12094 bfin_expand_unop_builtin): New functions.
12095 (bfin_expand_builtin): Handle the new builtins.
12096 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12099 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12102 * Makefile.in (OBJS-common): Add see.o.
12103 (see.o): Add dependencies.
12104 * common.opt (fsee): New flag for the see optimization was added.
12105 * opts.c (flag_see): Initialized.
12106 * passes.c (init_optimization_passes, pass_see): New pass.
12107 * rtl.h (see_main): Declaration as extern.
12108 * timevar.def (TV_SEE): New.
12109 * tree-pass.h (pass_see): Declaration as extern.
12110 * invoke.texi (-fsee): Document.
12111 * recog.c (validate_simplify_insn): New function.
12112 * recog.h (validate_simplify_insn): Declaration as extern.
12113 * df-problems.c (df_chain_dump): Check for NULL.
12115 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12116 Daniel Berlin <dberlin@dberlin.org>
12118 * cfgrtl.c (insert_insn_bb_end_new): New function.
12119 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12121 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12123 * df.h (struct web_entry): Moved from web.c.
12124 (union_defs): Declaration as extern.
12125 (unionfind_root): Likewise.
12126 (unionfind_union): Likewise.
12127 * web.c (struct web_entry): Moved to df.h.
12128 (unionfind_root): Remove static declaration.
12129 (unionfind_union): Likewise.
12130 (union_defs): Likewise and generalize to use callback function.
12131 (web_main): Update arguments for union_defs function call.
12133 2006-05-04 Richard Guenther <rguenther@suse.de>
12135 PR tree-optimization/26447
12136 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12137 produce SSA_NAME copies before the store stmt to avoid
12138 breaking exception handling.
12140 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12142 PR middle-end/27388
12143 * gimplify.c (omp_is_private): If var is shared in some outer context,
12144 return false instead of true. Stop searching on parallel context
12147 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12150 * coverage.c: Use get_gcov_unsigned_t() instead of
12151 unsigned_type_node all over.
12153 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12155 PR tree-optimization/27381
12156 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12157 maintain the same immediate_use links.
12158 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12159 node rather than segfaulting.
12161 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12164 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12165 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12166 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12168 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12170 Fix PR tree-optimization/26626
12171 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12173 * tree-ssa-operands.c (access_can_touch_variable): Allow
12174 typecasting through union pointers.
12176 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12179 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12180 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12181 to find if var will be a global variable even in the nested context.
12182 (omp_copy_decl): Only check for global variable at the end, it might
12183 be overridden in outer contexts.
12184 (scan_sharing_clauses): For global variables don't create a field.
12185 (lower_rec_input_clauses): Do nothing for global shared variables.
12186 Emit a barrier at the end of ILIST if there were any decls in both
12187 firstprivate and lastprivate clauses.
12188 (lower_send_clauses): Do nothing for global variables except for
12191 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12193 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12194 of the correct signedness is returned.
12196 2006-05-02 Jeff Law <law@redhat.com>
12198 PR tree-optimization/27364
12199 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12200 multiply expressions.
12202 2006-05-02 Tom Tromey <tromey@redhat.com>
12204 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12206 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12209 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12210 -mthumb -fPIC are used.
12212 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12213 Joshua Kinard <kumba@gentoo.org>
12216 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12217 with 64-bit pointers.
12219 2006-05-02 Paul Brook <paul@codesourcery.com>
12221 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12223 (create_fix_barrier): Check that a suitable barrier location is
12225 (arm_reorg): Include ftmp->address in allowable range of addresses.
12227 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12230 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12233 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12235 PR middle-end/27337
12236 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12237 around RESULT_DECL for result passed by reference.
12238 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12239 * omp-low.c (use_pointer_for_field): Don't look at
12240 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12241 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12242 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12243 time or var for passing by reference for
12244 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12245 TREE_ADDRESSABLE variables when passing by reference.
12247 * omp-low.c (dump_omp_region): Fix output formatting.
12249 PR middle-end/27328
12250 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12251 (expand_omp_parallel): Likewise.
12252 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12254 PR middle-end/27325
12255 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12256 on statement list containing also constructors and destructors.
12257 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12259 PR middle-end/27310
12260 * except.c (duplicate_eh_regions): Fix clearing of
12261 cfun->eh->region_array entries.
12263 2006-05-01 DJ Delorie <dj@redhat.com>
12265 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12267 (gcc_cv_objdump): Likewise.
12268 * configure: Regenerated.
12270 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12273 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12274 templates for case 3 and 4.
12276 2006-05-01 DJ Delorie <dj@redhat.com>
12278 * vec.c: Include bconfig.h when appropriate.
12279 * Makefile.in (build/vec.o): Adjust dependencies.
12280 * mkconfig.sh: Make sure config.h isn't used for build machine
12283 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12285 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12287 (mark_phi_for_rewrite): New function.
12288 (insert_phi_nodes_for, mark_use_interesting): Call
12289 mark_phi_for_rewrite.
12290 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12291 (update_ssa): Initialize and free phis_to_rewrite.
12293 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12295 PR rtl-optimization/27291
12296 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12297 folded to a constant.
12299 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12301 PR tree-optimization/27283
12302 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12303 not whole # of iteration descriptions.
12304 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12305 uses abnormal ssa name.
12306 (niter_for_single_dom_exit): Ditto.
12307 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12308 return just the number of iterations.
12310 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12312 PR tree-optimization/27144
12313 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12314 (record_estimate): Only record constant upper bound.
12315 (infer_loop_bounds_from_undefined): Call
12316 compute_estimated_nb_iterations just once.
12317 (proved_non_wrapping_p): Renamed to ...
12318 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12319 (convert_step_widening, scev_probably_wraps_p): Call
12320 n_of_executions_at_most instead of proved_non_wrapping_p.
12321 (substitute_in_loop_info): Do not replace values in bounds.
12322 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12325 2006-05-01 Richard Henderson <rth@redhat.com>
12328 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12329 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12332 2006-05-01 Roger Sayle <roger@eyesopen.com>
12334 * c-typeck.c (parser_build_binary_op): Don't call the function
12335 unsigned_conversion_warning to spot operand/result type overflow.
12336 (build_binary_op): Instead, call convert_and_check instead of
12337 convert to report the problem when the operands are promoted.
12338 * c-common.c (unsigned_conversion_warning): Make static.
12339 * c-common.h (unsigned_conversion_warning): Delete prototype.
12341 2006-05-01 Richard Guenther <rguenther@suse.de>
12343 PR tree-optimization/26726
12344 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12346 (find_interesting_uses_address): ... we work around here
12347 by folding INDIRECT_REFs in the substituted base.
12349 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12351 * omp-low.c (dump_omp_region): Add newlines.
12353 2006-04-30 Roger Sayle <roger@eyesopen.com>
12355 * common.opt (Woverflow): New command line option.
12356 * c-common.c (constant_expression_warning): Check warn_overflow.
12357 (overflow_waring): Pass OPT_Woverflow to warning.
12358 (unsigned_conversion_warning): Likewise.
12359 (convert_and_check): Likewise.
12360 * doc/invoke.texi: Document new command line option.
12362 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12364 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12365 TARGET_NO_FP_IN_TOC for section anchors.
12366 (optimization_options): Enable section anchors for all
12367 non-"Objective" languages.
12369 2006-04-28 Eric Christopher <echristo@apple.com>
12371 * config/darwin-c.c (darwin_ms_struct): Move this
12372 (darwin_set_default_type_attributes): and this...
12373 * config/darwin.c: ... here.
12374 * config/darwin.h (darwin_ms_struct): Declare.
12376 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12378 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12380 2006-04-28 Roger Sayle <roger@eyesopen.com>
12383 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12384 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12385 an unsigned HOST_WIDE_INT.
12386 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12388 (really_start_incremental_init): No need to call convert because
12389 bitsize_zero_node is already of type bitsizetype.
12390 (push_init_level): Extract the value of constructor_index as an
12391 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12392 (process_init_element): Likewise.
12394 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12396 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12397 value before passing to make_relative_prefix.
12399 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12401 PR middle-end/27260
12402 * builtins.c (expand_builtin_memset): Expand val in original mode.
12404 2006-04-27 Eric Christopher <echristo@apple.com>
12406 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12407 with #ifndef/#endif.
12408 * config/darwin-c.c (darwin_ms_struct): New.
12409 (darwin_pragma_ms_struct): Ditto.
12410 (darwin_set_default_type_attributes): Ditto.
12411 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12412 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12413 Register ms_struct pragma.
12414 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12415 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12416 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12417 darwin_set_default_type_attributes if TARGET_MACHO.
12419 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12421 PR tree-optimization/26854
12422 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12423 * doc/tree-ssa.texi: Update immuse iterator documentation.
12424 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12425 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12426 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12427 first_safe_imm_use, next_safe_imm_use): Remove.
12428 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12429 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12430 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12431 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12432 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12433 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12434 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12435 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12436 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12437 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12438 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12439 (perfect_nestify): Use new iterator.
12440 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12442 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12443 (next_imm_name): New field in struct immediate_use_iterator_d.
12444 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12445 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12446 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12447 * tree-cfg.c (replace_uses_by): Use new iterator.
12448 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12449 * tree-ssa-operands.c (correct_use_link): Remove.
12450 (finalize_ssa_use_ops): No longer call correct_use_link.
12452 2006-04-27 Stuart Hastings <stuart@apple.com>
12454 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12455 * config/t-darwin (crt3.o): Use it.
12456 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12457 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12458 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12459 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12460 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12463 2006-04-27 Roger Sayle <roger@eyesopen.com>
12465 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12466 size, force the intermediate into a new pseudo rather instead of
12467 performing both a bitwise AND and a bitwise IOR in memory.
12469 2006-04-27 Richard Guenther <rguenther@suse.de>
12471 PR rtl-optimization/26685
12472 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12473 this one "max-flow-memory-locations".
12475 2006-04-27 Richard Guenther <rguenther@suse.de>
12477 PR tree-optimization/25148
12478 * tree-vrp.c (compare_values): Remove code dealing with
12479 comparisons against type min/max value. Honour overflow
12480 and negative constants in code dealing with comparisons
12481 of plus and minus expressions.
12482 (value_inside_range): Use fold_binary with LE_EXPR and
12483 GE_EXPR rather than compare_values.
12485 2006-04-27 Dirk Mueller <dmueller@suse.de>
12487 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12490 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12492 * basic-block.h (safe_insert_insn_on_edge): Removed.
12493 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12495 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12496 Paolo Bonzini <bonzini@gnu.org>
12498 PR middle-end/27282
12499 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12500 (simplify_and_const_int): Same.
12502 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12504 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12506 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12509 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12510 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12511 cgraph_global_info_ready.
12513 PR middle-end/26913
12514 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12517 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12518 either decl or init is error_mark_node.
12520 PR middle-end/25989
12521 * tree-flow.h (struct omp_region): Add sched_kind.
12522 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12523 instead of extracting omp for data.
12524 (expand_omp_for): Save extracted sched_kind.
12526 2006-04-25 Roger Sayle <roger@eyesopen.com>
12528 * expmed.c (store_bit_field): Also check whether the bitsize is
12529 valid for the machine's "insv" instruction before moving the
12530 target into a pseudo for use with the insv.
12531 * config/i386/predicates.md (const8_operand): New predicate.
12532 * config/i386/i386.md (extv, extzv, insv): Use the new
12533 const8_operand predicate where appropriate.
12535 2006-04-25 DJ Delorie <dj@redhat.com>
12537 * doc/install.texi (Specific): Clarify that this is not a list of
12538 supported hosts or targets.
12540 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12542 PR rtl-optimization/26725
12543 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12544 block's BB_DIRTY flag.
12546 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12548 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12551 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12552 to print an integer.
12554 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12556 * varasm.c (align_variable): New function.
12557 (get_block_for_decl): Apply align_variable to DECL before
12558 calculating section information.
12559 (assemble_variable): Split out alignment computation.
12561 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12563 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12566 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12568 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12569 MODE_PARTIAL_INT mode.
12570 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12571 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12573 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12574 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12576 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12578 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12580 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12581 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12582 MACFLAG_IH): Likewise.
12583 (movstricthi_1): Renamed from "*movstricthi".
12584 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12585 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12586 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12587 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12588 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12589 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12590 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12591 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12592 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12593 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12594 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12595 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12596 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12597 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12598 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12600 * doc/rtl.texi (ss_ashift): Improve wording.
12602 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12604 * dwarf2out.c (verify_marks_clear): New.
12605 (prune_unused_types): Call verify_marks_clear initially, not
12608 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12610 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12611 * doc/rtl.texi: Document them.
12612 * simplify-rtx.c (simplify_unary_operation,
12613 simplify_binary_operation_1): Don't abort when we see them.
12615 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12618 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12619 * configure.ac: Completely disregard languages that are not
12621 * configure: Regenerated.
12623 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12624 Richard Guenther <rguenther@suse.de>
12626 PR tree-optimization/27236
12627 * tree-inline.c (copy_body_r): Make sure to copy
12628 TREE_THIS_VOLATILE flag.
12630 2006-04-24 Richard Guenther <rguenther@suse.de>
12632 PR middle-end/26869
12633 * tree-complex.c (update_parameter_components): Don't handle
12634 unused parameters which have no default def.
12636 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12637 Richard Guenther <rguenther@suse.de>
12639 PR tree-optimization/27218
12640 * tree-inline.c (expand_call_inline): Strip useless type
12641 conversions for the return slot address.
12643 2006-04-24 Richard Guenther <rguenther@suse.de>
12645 * cfgloop.h (struct loops): Remove unused field array. Reorder
12647 (LOOP_PREFETCH): Remove.
12649 2006-04-24 Richard Guenther <rguenther@suse.de>
12651 PR tree-optimization/22525
12652 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12653 variable, adjust types of generated expressions.
12655 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12657 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12658 (tree-vect-patterns.o): Likewise.
12659 (jump.o): Likewise.
12660 (cselib.o): Likewise.
12661 (loop-doloop.o): Likewise.
12662 (regclass.o): Likewise.
12663 (reload1.o): Likewise.
12664 (explow.o): Replace target.h with $(TARGET_H).
12665 (ipa-prop.o): Likewise.
12666 (ipa-cp.o): Likewise.
12667 (ipa-inline.o): Likewise.
12668 (reorg.o): Likewise.
12669 (reg-stack.o): Likewise.
12671 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12673 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12675 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12677 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12679 * configure.ac: Completely disregard languages that are not
12681 * configure: Regenerated.
12684 * c-common.h (c_build_bitfield_integer_type): Declare.
12685 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12686 * c-common.c (c_build_bitfield_integer_type): ... here.
12688 2006-04-23 Roger Sayle <roger@eyesopen.com>
12691 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12692 a SImode SUBREG of a floating point register after no_new_pseudos.
12694 2006-04-23 Roger Sayle <roger@eyesopen.com>
12696 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12697 identify potentially eliminable registers to additionally catch
12698 VIRTUAL_INCOMING_ARGS_REGNUM.
12699 (addsi3): Update the conditions on when to use addsi_small_int.
12701 2006-04-23 Roger Sayle <roger@eyesopen.com>
12704 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12705 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12706 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12708 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12710 * fold-const.c (range_predecessor): Use operand_equal_p
12711 as the predicate for equality.
12712 (range_successor): Likewise.
12714 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12717 * config/soft-fp/op-common.h: Fix a typo.
12719 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12721 PR libmudflap/26864
12722 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12723 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12725 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12727 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12729 * doc/tm.texi: Fix a typo.
12731 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12733 * dwarf2out.c (struct die_struct): Document that die_sib makes
12734 a circular linked list.
12735 (FOR_EACH_CHILD): New.
12736 (reverse_die_lists): Delete.
12737 (reverse_all_dies): Delete.
12738 (add_dwarf_attr): Correct documentation.
12739 (remove_child_with_prev): New.
12740 (remove_child_TAG): Update for change to die_struct, use
12741 remove_child_with_prev.
12742 (add_child_die): Update for change to die_struct.
12743 (splice_child_die): Use remove_child_with_prev and add_child_die.
12744 (print_die): Use FOR_EACH_CHILD.
12745 (die_checksum): Likewise.
12746 (assign_symbol_names): Likewise.
12747 (output_location_lists): Likewise.
12748 (build_abbrev_table): Likewise.
12749 (calc_die_sizes): Likewise.
12750 (mark_dies): Likewise.
12751 (unmark_dies): Likewise.
12752 (unmark_all_dies): Likewise.
12753 (output_die): Likewise.
12754 (prune_unused_types_mark): Likewise.
12755 (prune_unused_types_walk): Likewise.
12756 (same_die_p): Update for change to die_struct.
12757 (break_out_includes): Likewise.
12758 (prune_unused_types_prune): Likewise.
12759 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12760 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12761 it's already clear.
12762 (dwarf2out_finish): Don't call reverse_all_dies.
12764 2006-04-21 Eric Christopher <echristo@apple.com>
12766 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12767 in comments and function names.
12769 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12772 * c-typeck.c (digest_init): Robustify.
12774 * c-typeck.c (pop_init_level): Simplify.
12776 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12778 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12780 2006-04-21 Paul Brook <paul@codesourcery.com>
12782 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12783 hardware floating point.
12785 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12787 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12790 2006-04-21 Nick Clifton <nickc@redhat.com>
12792 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12795 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12798 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12799 C++ lang type in traceback table for Objective-C++.
12801 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12803 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12805 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12807 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12810 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12811 were errors. Remove check for erroneous objects.
12813 2006-04-20 Jeff Law <law@redhat.com>
12815 PR tree-optimization/26854
12816 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12817 checking for zero or one use.
12818 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12819 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12820 * tree-ssa-reassoc.c (negate_value): Similarly.
12821 (reassociate_bb): Similarly.
12823 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12826 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12827 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12828 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12830 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12832 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12833 fp regs if the last fp arg doesn't fit in regs.
12835 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12838 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12839 that the last insn has the REG_INC note.
12841 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12842 Nathan Sidwell <nathan@codesourcery.com>
12845 * stor-layout.c (update_alignment_for_field): Do not align
12847 (place_union_field): Place union field at the start of the union.
12848 (place_field): Move ERROR_MARK check later, and use the current
12849 allocation position to maintain monotonicity.
12851 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12853 * dominance.c: Include timevar.h.
12854 (calculate_dominance_info): Use TV_DOMINANCE.
12855 * timevar.def (TV_DOMINANCE): New timevar.
12856 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12858 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12860 PR rtl-optimization/14261
12861 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12862 move would be an INSV insn.
12863 (noce_process_if_block): Don't optimize if the destination is a
12864 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12866 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12868 * config/s390/s390.md: Add comments with the instructions emitted
12869 by an insn pattern if macros are used.
12871 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12873 PR rtl-optimization/26026
12874 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12875 is a known power of two shifted left a variable amount.
12877 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12879 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12880 to hash table twice when the debug_str section has SECTION_MERGE.
12882 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12884 * config/soft-fp: New directory. From glibc.
12885 * config/soft-fp/t-softfp: New.
12886 * config/soft-fp/README: New.
12887 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12888 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12889 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12890 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12891 * config.gcc: Use rs6000/t-fprules-fpbit or
12892 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12894 * config/rs6000/sfp-machine.h: New. Based on glibc.
12895 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12897 * config/rs6000/t-fprules: Remove fp-bit rules.
12898 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12899 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12900 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12901 (softfp_wrap_start, softfp_wrap_end): New.
12903 2006-04-18 DJ Delorie <dj@redhat.com>
12905 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12907 2006-04-18 Devang Patel <dpatel@apple.com>
12909 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12911 2006-04-18 Nick Clifton <nickc@redhat.com>
12913 * config/sh/t-symbian: Add rule to build sh-c.o
12914 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12915 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12916 (sh_symbian_encode_section_info): Likewise.
12918 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12920 * builtins.c (expand_builtin_strcmp): Cover label definition of
12921 do_libcall with HAVE_cmpstrnsi.
12923 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12925 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12927 * function.h (temp_slot_p): New.
12928 (function): Change the type of x_used_temp_slots to
12929 VEC(temp_slot_p,gc) *.
12931 2006-04-18 Nick Clifton <nickc@redhat.com>
12933 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12934 flag_strength_reduce.
12936 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12938 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12942 Partial revert of revision 112637
12943 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12944 Dale Johannesen <dalej@apple.com>
12947 * regclass.c (struct reg_pref): Update documentation.
12948 (regclass): Set prefclass to NO_REGS if memory is the best option.
12949 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12951 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12953 PR tree-optimization/26821
12954 * tree-ssa-math-opts.c (get_constant_one): New.
12955 (insert_reciprocals): Use it.
12957 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12959 * dwarf2out.c (free_AT): Delete.
12960 (remove_AT): Update string ref counts.
12961 (remove_child_TAG): Don't call free_die.
12962 (free_die): Delete.
12963 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12964 or DW_TAG_GNU_EINCL.
12965 (prune_unused_types_walk_attribs): Reset string refcounts.
12966 (prune_unused_types_update_strings): New.
12967 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12968 call free_die. Do call prune_unused_types_update_strings.
12969 (prune_unused_types): Empty debug_str_hash.
12971 2006-04-17 Roger Sayle <roger@eyesopen.com>
12973 * expr.c (expand_assignment): Optimize away no-op moves where the
12974 source and destination are equal and have no side-effects.
12976 2006-04-17 Richard Guenther <rguenther@suse.de>
12979 * reload.c (push_reload): Guard calls to get_secondary_mem
12980 for memory subregs.
12982 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12984 * alias.c (reg_base_value, old_reg_base_value): Change the
12985 type to VEC(rtx,gc) *.
12986 (REG_BASE_VALUE, find_base_value, record_set,
12987 init_alias_analysis): Use VEC instead of VARRAY.
12989 * alias.c (alias_sets): Change the type to
12990 VEC(alias_set_entry,gc) *.
12991 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12992 VEC instead of VARRAY.
12993 (last_alias_set): Remove.
12995 * cgraph.h (cgraph_edge_p): New.
12996 Update the prototype of cgraph_function_versioning.
12997 * cgraphunit.c (cgraph_copy_node_for_versioning,
12998 cgraph_function_versioning): Use VEC instead of VARRAY.
12999 * ipa-cp.c (ipcp_insert_stage): Likewise.
13001 2006-04-16 Roger Sayle <roger@eyesopen.com>
13004 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13005 "A op B" or "A op C", we may need to convert A to the type of B and C.
13007 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13009 * target.h (struct gcc_target): Add mode_rep_extended.
13010 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13011 (init_num_sign_bit_copies_in_rep): Initialize it using
13013 (truncate_to_mode): Use it.
13014 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13015 * targhooks.h (default_mode_rep_extended): Declare it.
13016 * targhooks.c (default_mode_rep_extended): Define it.
13017 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13018 default_mode_rep_extended.
13019 (TARGET_INITIALIZER): Include it.
13020 * doc/tm.texi (Misc): Document it.
13021 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13022 (mips_truncated_to_mode): New function.
13024 2006-04-16 Roger Sayle <roger@eyesopen.com>
13026 PR middle-end/25474
13027 * expr.c (compress_float_constant): Copy the narrow constant into
13028 a new pseudo before extending it to its final width.
13030 2006-04-16 Roger Sayle <roger@eyesopen.com>
13031 Andrew Pinski <pinskia@gcc.gnu.org>
13032 Dale Johannesen <dalej@apple.com>
13035 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13036 special case code to implement V8HImode and V16QImode with SSE2.
13038 2006-04-15 Roger Sayle <roger@eyesopen.com>
13040 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13041 trees are constructed with a suitable tree type.
13043 2006-04-15 Roger Sayle <roger@eyesopen.com>
13045 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13046 (integer_onep): Likewise.
13047 (integer_all_onesp): Likewise.
13048 (integer_pow2p): Likewise.
13049 (integer_nonzerop): Likewise.
13050 (real_zerop): Likewise.
13051 (real_onep): Likewise.
13052 (real_twop): Likewise.
13053 (real_minus_onep): Likewise.
13054 (int_size_in_bytes): Likewise.
13055 (host_integerp): Likewise.
13057 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13059 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13060 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13061 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13063 * tree-ssa-structalias.h (alias_info): Remove num_references.
13065 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13067 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13068 (output_bvb patterns): Likewise.
13069 * pa.c (output_bb): Use 'bb' insn for long branch case.
13070 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13071 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13072 1. Correct length operand for alternatives 1 and 2.
13073 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13074 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13076 2006-04-14 Roger Sayle <roger@eyesopen.com>
13078 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13079 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13080 were accidentally reverted by r112959.
13082 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13084 PR middle-end/26823
13085 * except.h (eh_region_outermost): New prototype.
13086 * except.c (eh_region_outermost): New function.
13087 * tree-cfg.c (find_outermost_region_in_block): Use it.
13089 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13091 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13093 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13094 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13095 (init_reload, reload): Use VEC instead of VARRAY.
13096 * reload.h: Update the prototype for
13097 reg_equiv_memory_loc_varray.
13099 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13100 Eric Botcazou <ebotcazou@libertysurf.fr>
13102 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13103 register save area.
13105 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13107 PR middle-end/27134
13108 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13109 to expand fallback builtin function call.
13111 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13113 PR middle-end/27095
13114 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13115 and emit libcall here in case the builtin fails.
13116 (expand_builtin_strcmp): Always emit the libcall here on failure.
13118 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13120 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13121 * flow.c (reg_n_info): Change the type to
13122 VEC(reg_info_p,heap) *.
13123 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13125 * regs.h (reg_info_p): New.
13126 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13127 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13128 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13131 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13133 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13135 * params.h (MAX_SCHED_READY_INSNS): New macro.
13136 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13137 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13138 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13139 the ready list for 1 cycle during the first scheduling pass.
13140 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13142 2006-04-13 Richard Henderson <rth@redhat.com>
13145 * gimple-low.c (lower_omp_directive): Remove dead code.
13146 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13147 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13148 * omp-low.c (struct omp_region): Move to tree-flow.h.
13149 (root_omp_region): Export.
13150 (omp_regions, lookup_omp_region): Remove.
13151 (determine_parallel_type): Update for struct omp_region changes.
13152 (dump_omp_region): Dump regions with block numbers.
13153 (new_omp_region): Take type and block instead of stmt; malloc
13155 (free_omp_region_1, free_omp_regions): New.
13156 (expand_parallel_call): Take entry_stmt as argument; update for
13157 changes to omp_region.
13158 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13159 (remove_exit_barriers): New.
13160 (expand_omp_parallel): Update for struct omp_region changes.
13161 (expand_omp_synch): Likewise.
13162 (expand_omp): Likewise.
13163 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13164 (expand_omp_for_static_chunk): Likewise.
13165 (expand_omp_for): Likewise.
13166 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13167 (expand_omp_sections): Similarly, with GOMP_sections_end.
13168 (expand_omp_single): New.
13169 (build_omp_regions_1): Update for OMP_CONTINUE.
13170 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13171 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13172 OMP_SECTIONS_SECTIONS.
13173 (lower_omp_single_simple): Don't emit barrier here.
13174 (lower_omp_single_copy): Likewise.
13175 (lower_omp_single): Fix bindings, and lower to straightline now.
13176 (lower_omp_master, lower_omp_ordered): Likewise.
13177 (lower_omp_critical): Likewise.
13178 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13179 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13180 omp edges, free it afterward.
13181 (make_omp_sections_edges): Remove.
13182 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13183 (move_stmt_r): Handle OMP_CONTINUE.
13184 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13185 statement pointers to basic blocks. Add type member.
13186 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13187 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13188 * tree-inline.c (estimate_num_insns_1): Likewise.
13189 * tree-pretty-print.c (dump_generic_node): Likewise.
13190 * tree-ssa-operands.c (get_expr_operands): Likewise.
13191 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13192 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13193 (OMP_CONTINUE): New.
13194 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13195 (OMP_SECTIONS_SECTIONS): Remove.
13196 (OMP_SECTION_LAST): New.
13197 (OMP_RETURN_NOWAIT): New.
13199 2006-04-13 Roger Sayle <roger@eyesopen.com>
13201 * fold-const.c (native_encode_vector, native_interpret_real):
13202 Correct obvious mistakes in the previous check-in.
13204 2006-04-13 Roger Sayle <roger@eyesopen.com>
13206 * fold-const.c (native_encode_expr): New function to encode
13207 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13208 or VECTOR_CST into a specified buffer.
13209 (native_encode_int): New function.
13210 (native_encode_real): New function.
13211 (native_encode_complex): New function.
13212 (native_encode_vector): New function.
13213 (native_interpret_expr): Inverse of native_encode_expr to convert
13214 a target representation into an INTEGER_CST, REAL_CST etc...
13215 (native_interpret_int): New function.
13216 (native_interpret_real): New function.
13217 (native_interpret_complex): New function.
13218 (native_interpret_vector): New function.
13219 (fold_view_convert_expr): New function to constant fold/evaluate
13220 a VIEW_CONVERT_EXPR of a suitable constant expression.
13221 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13222 Change call of build1 to fold_build1 when constructing a
13225 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13226 Ulrich Weigand <uweigand@de.ibm.com>
13229 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13232 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13235 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13236 optimize to lo_sum for DFmode if !TARGET_FPRS.
13238 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13240 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13241 delete_alias_info, compute_flow_sensitive_aliasing,
13242 group_aliases): Use VEC instead of VARRAY.
13243 * tree-ssa-structalias.c (update_alias_info): Likewise.
13244 * tree-ssa-structalias.h (alias_info): Change the type of
13245 processed_ptrs to VEC(tree,heap) *.
13247 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13250 * config/sh/lib1funcs.h: New file, broken out of:
13251 * config/sh/lib1funcs.asm.
13252 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13254 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13255 * config/sh/lib1funcs-Os-4-200.asm: New file.
13256 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13257 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13258 (EXTRA_MULTILIB_PARTS): Include it.
13259 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13260 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13261 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13262 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13265 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13267 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13268 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13269 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13271 * tree-ssa-live.h: Include vecprim.h.
13272 (tree_partition_associator_d): Change the type of
13273 first_partition to VEC(int,heap) *.
13274 (tpa_first_partition): Use VEC instead of VARRAY.
13276 * Makefile.in (GTFILES): Move functions.h after tree.h.
13277 * function.c (reset_block_changes, record_block_change,
13278 check_block_change, free_block_changes): Use VEC instead of
13280 * function.h (function): Change the type of
13281 ib_boundaries_block to VEC(tree,gc) *.
13282 * tree-inline.c (copy_cfg_body): Initialize
13283 ib_boundaries_block to NULL instead of (varray_type) 0.
13285 2006-04-12 Roger Sayle <roger@eyesopen.com>
13287 * expr.c (emit_group_store): Correct operand order in call to
13288 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13289 a SUBREG_BYTE of zero.
13291 2006-04-12 Richard Guenther <rguenther@suse.de>
13293 * profile.c (compute_branch_probabilities): Remove code
13294 encapsulated in !ir_type (), which are remanents of the
13295 removed RTL profiling code.
13296 * rtl-profile.c: Remove.
13298 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13300 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13301 magic NULL_RTX comment.
13302 (function_arg): Store entire fp arg to mem if any part should go
13304 (rs6000_arg_partial_bytes): Adjust for above change.
13306 2006-04-11 Roger Sayle <roger@eyesopen.com>
13308 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13309 if it hasn't been initialized by dwarf2out_init.
13311 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13313 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13314 symbolic constants in branch patterns.
13316 2006-04-11 Roger Sayle <roger@eyesopen.com>
13318 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13320 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13322 PR rtl-optimization/27073
13323 * gcse.c (try_replace_reg): Revert last change. Continue to search
13324 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13327 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13329 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13330 aggregate types other than record and union types.
13331 (function_arg): Likewise.
13332 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13334 (function_value): In 64-bit mode, return objects that require it
13337 2006-04-11 Roger Sayle <roger@eyesopen.com>
13339 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13341 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13343 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13345 2006-04-03 Jeff Law <law@redhat.com>
13348 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13349 alias information too.
13351 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13353 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13355 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13358 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13359 (premark_used_types_helper): New.
13360 (premark_used_types): New.
13361 (gen_subprogram_die): Call premark_used_types.
13362 (prune_unused_types_walk): Do not prune perennial dies.
13363 * function.c (used_types_insert): New.
13364 * function.h (struct function): Add used_types_hash field.
13365 (used_types_insert): Add prototype.
13366 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13367 * c-parser.c (c_parser_cast_expression): Save casted types in used
13370 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13373 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13374 rs6000_explicit_options.float_gprs.
13376 2006-04-10 Roger Sayle <roger@eyesopen.com>
13378 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13379 from ix86_expand_vector_init_low_nonzero. Take an additional
13380 one_var argument indicating which element is non-zero. Support
13381 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13382 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13383 with one_var instead of ix86_expand_vector_init_low_nonzero.
13385 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13387 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13388 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13389 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13390 build/genextract.o): Depend on vecprim.h.
13391 * cfglayout.c, df-problems.c, function.c, genextract.c,
13392 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13393 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13397 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13399 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13400 Declare VECs of this type.
13401 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13402 (remove_children): Delete.
13403 (add_dwarf_attr): Use VEC routines.
13404 (add_AT_flag): Update for changes to add_dwarf_attr.
13405 (add_AT_int): Likewise.
13406 (add_AT_unsigned): Likewise.
13407 (add_AT_long_long): Likewise.
13408 (add_AT_vec): Likewise.
13409 (add_AT_string): Likewise.
13410 (add_AT_die_ref): Likewise.
13411 (add_AT_fde_ref): Likewise.
13412 (add_AT_loc): Likewise.
13413 (add_AT_loc_list): Likewise.
13414 (add_AT_addr): Likewise.
13415 (add_AT_lbl_id): Likewise.
13416 (add_AT_lineptr): Likewise.
13417 (add_AT_macptr): Likewise.
13418 (add_AT_offset): Likewise.
13419 (add_AT_range_list): Likewise.
13420 (get_AT): Use VEC_iterate.
13421 (remove_AT): Use VEC_ordered_remove.
13422 (free_die): Fold remove_children into here; have it use VEC_iterate.
13423 (print_die): Use VEC_iterate on attrs.
13424 (reverse_die_lists): Don't reverse attr lists.
13425 (die_checksum): Use VEC_iterate on attrs.
13426 (same_die_p): Likewise.
13427 (output_location_lists): Likewise.
13428 (build_abbrev_table): Likewise.
13429 (size_of_die): Likewise.
13430 (unmark_all_dies): Likewise.
13431 (output_abbrev_section): Likewise.
13432 (output_die): Likewise.
13433 (prune_unused_types_walk_attribs): Likewise.
13435 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13437 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13439 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13442 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13444 2006-04-09 Roger Sayle <roger@eyesopen.com>
13446 * expr.c (store_constructor): Don't bother clearing target if
13447 we're about to assign a vector to it using vec_init_optab.
13449 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13451 * tree-ssa-alias.c (lhs_may_store_to): New function.
13452 (recalculate_used_alone): Handle LHS of calls.
13454 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13458 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13459 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13460 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13461 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13462 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13463 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13464 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13465 stubs. Add ".align 8" directives before all ".dword" directives.
13466 (GTHREAD_USE_WEAK): Revise comment.
13467 (TARGET_ATTRIBUTE_WEAK): Define.
13468 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13469 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13470 * stublib.c: New file.
13475 * pa.md (cbranch patterns): Revise arguments used in calls to
13476 output_cbranch, output_bb and output_bvd. Add long branch length
13478 (fbranch patterns): Handle long branches.
13479 (jump): Revise length check. Revise arguments for output_lbranch call.
13480 Add long branch length attributes.
13481 (decrement_and_branch_until_zero): Add long branch length attributes.
13482 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13483 Likewise. Revise arguments for output_parallel_addb and
13484 output_parallel_movb calls.
13485 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13486 output_parallel_movb and output_parallel_addb): Update prototypes.
13487 * pa.c (output_cbranch): Revise arguments. Correct handling of
13488 nullification in long branches.
13489 (output_lbranch): Add new argument to control extraction of delay
13491 (output_bb): Handle long branches.
13492 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13493 output_parallel_addb): Likewise.
13495 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13497 PR rtl-optimization/27073
13498 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13501 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13503 * tree.h (tree_memory_tag): Add old_used_alone.
13504 (SMT_OLD_USED_ALONE): New macro.
13505 * tree-ssa-alias.c (recalculate_used_alone): Stop
13506 marking things for renaming unnecessarily.
13508 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13510 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13511 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13512 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13513 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13514 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13515 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13516 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13517 spelling convensions.
13518 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13519 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13520 typos. Follow spelling conventions.
13522 2006-04-07 DJ Delorie <dj@redhat.com>
13524 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13525 passed on the stack.
13526 (m32c_init_cumulative_args): When a function returns a structure,
13527 always pass the pointer to that return area on the stack.
13528 (m32c_function_arg_advance): Don't increment the parameter number
13529 if we're processing the returned structure pointer.
13530 (pushm_info): Reverse order of registers.
13532 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13534 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13535 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13536 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13537 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13538 build_int_cst_type.
13539 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13540 chrec_fold_multiply): Same.
13541 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13542 force_expr_to_var_cost): Same.
13543 * tree-mudflap.c (mf_xform_derefs_1): Same.
13544 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13546 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13548 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13549 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13552 2006-04-07 Jan Hubicka <jh@suse.cz>
13554 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13556 2006-04-07 Richard Guenther <rguenther@suse.de>
13558 PR tree-optimization/26135
13559 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13560 loads for store copy-prop.
13561 (copy_prop_visit_stmt): Likewise.
13563 2006-04-05 Robert Millan <robertmh@gnu.org>
13565 * config/i386/linux.h: Add a comment to mark macros that are
13566 being overriden in config/k*bsd-gnu.h.
13567 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13569 * config/knetbsd-gnu.h: Ditto.
13571 2006-04-06 Jan Hubicka <jh@suse.cz>
13575 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13578 2006-04-06 Mike Stump <mrs@apple.com>
13580 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13581 for HAVE_nonlocal_goto to be consistent.
13582 (expand_builtin_nonlocal_goto): Likewise.
13583 (expand_builtin_strcmp): Use #ifdef instead of #if
13584 for HAVE_cmpstrnsi to be consistent.
13586 2006-04-05 DJ Delorie <dj@redhat.com>
13588 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13591 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13593 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13594 got-relative addressing for anything but SImode.
13596 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13597 even if the calling function doesn't modify them.
13599 2006-04-05 Richard Guenther <rguenther@suse.de>
13601 PR tree-optimization/26919
13602 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13603 to cgraph_estimate_size_after_inlining.
13605 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13607 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13609 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13611 PR tree-optimization/26996
13612 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13613 VECTOR_TYPE variables.
13615 2006-04-05 Richard Guenther <rguenther@suse.de>
13617 PR tree-optimization/26763
13618 * fold-const.c (fold_comparison): Move folding of
13619 PTR + CST CMP PTR + CST ...
13620 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13622 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13624 * doc/install.texi (Prerequisites): Refine some wording on
13625 bootstrapping and ksh.
13626 Move the version numbers of DejaGnu here from the testing section
13627 and fix casing of names.
13628 Fix markup and clarify wording for autogen requirements.
13629 Refer to GCJ instead of just java.
13630 Refer to SVN instead of CVS.
13631 Describe diffutils as useful instead of necessary.
13632 (Downloading the source): Refer to SVN instead of CVS.
13633 Adjust a link to our web site accordingly.
13634 (Configuration): Fix casing of Bison.
13635 (Building): Refer to SVN instead of CVS.
13636 Fix a sentence on the use of Bison and remove duplicate (and
13637 incorrect) version number of Bison requirement.
13638 Remove one redundant list of packages needed for building.
13639 (Specific): Avoid reference to CVS.
13641 2006-04-04 Eric Christopher <echristo@apple.com>
13643 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13644 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13645 (rs6000_handle_struct_attribute): New.
13646 (rs6000_ms_bitfield_layout_p): Ditto.
13648 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13650 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13651 NULL for dso parameter to atexit_common.
13653 2006-04-04 Eric Christopher <echristo@apple.com>
13655 * config/i386/i386.c (machopic_output_stub): Output \t
13656 between instructions and operands.
13658 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13660 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13661 satisfies_constraint_[IL] to explicit tests on value.
13663 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13665 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13666 set_nb_iterations_in_loop): Use build_int_cst instead of
13667 build_int_cst_type.
13668 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13669 build_int_cst instead of convert.
13671 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13673 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13674 new value 2 for incoming.
13675 * function.c (expand_function_start): Call struct_value_rtx
13676 with incoming as 2.
13677 * config/sparc/sparc.md: Comment updated_return.
13678 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13679 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13680 struct return if sparc_std_struct_return and incoming is 2.
13681 (print_operand): Do not adjust return if
13682 sparc_std_struct_return.
13684 2006-04-04 Roger Sayle <roger@eyesopen.com>
13686 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13687 convert in the middle-end.
13688 * expr.c (store_expr, store_constructor, get_inner_reference,
13689 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13691 * tree.c (build_range_type): Likewise.
13693 2006-04-04 Tom Tromey <tromey@redhat.com>
13695 * doc/install.texi (Prerequisites): Mention jar.
13697 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13699 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13702 2006-04-04 Matthias Klose <doko@debian.org>
13704 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13708 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13711 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13713 * doc/extend.texi (Function Attributes): Rewrite visibility
13714 attribute documentation.
13715 * doc/invoke.texi (C++ Dialect Options): Rewrite
13716 -fvisibility-inlines-hidden documentation to describe something
13717 entirely different, although in practise compatible.
13718 (Code Gen Options): Warn about system headers in -fvisibility=
13721 * doc/extend.texi (Other Builtins): Document that
13722 __builtin_nan is a compile-time constant only when its argument
13725 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13727 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13728 trying to remove TRUNCATE check if all bits outside the new mode
13729 are identical to the sign bit.
13731 2006-04-03 Jeff Law <law@redhat.com>
13733 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13734 and operand scanning in some common cases.
13736 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13737 Dale Johannesen <dalej@apple.com>
13740 * regclass.c (struct reg_pref): Update documentation.
13741 (regclass): Set prefclass to NO_REGS if memory is the best option.
13742 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13743 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13744 into account. For non-registers, equate an empty preferred
13745 reload class to a `!' in the constraint; move the if clause to
13746 do so after those that reject the insn.
13747 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13749 (find_dummy_reload): Likewise.
13750 * doc/tm.texi (Register Classes): Document what it means
13751 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13752 * config/i386/i386.c (ix86_preferred_reload_class): Force
13753 using SSE registers (and return NO_REGS for floating-point
13754 constants) if math is done with SSE.
13755 (ix86_preferred_output_reload_class): New.
13756 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13757 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13758 * config/i386/i386.md: Remove # register preferences.
13760 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13763 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13764 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13765 the type of nb_iter.
13766 (instantiate_parameters_1): Convert the operands before calling
13767 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13768 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13770 2006-04-02 Roger Sayle <roger@eyesopen.com>
13772 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13773 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13774 instead of convert.
13775 * dojump.c (do_jump): Likewise.
13776 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13777 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13778 gimplify_boolean_expr): Likewise.
13779 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13780 * varasm.c (array_size_for_constructor): Likewise.
13781 * tree-object-size.c (compute_object_offset): Likewise.
13783 2006-04-02 Roger Sayle <roger@eyesopen.com>
13785 PR middle-end/26977
13786 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13787 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13789 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13791 PR tree-optimization/26939
13792 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13794 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13796 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13797 at_stmt. Convert the type of operands before calling
13798 build_polynomial_chrec.
13799 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13800 add_to_evolution_1.
13801 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13802 (instantiate_parameters_1): Convert the type of operands before calling
13803 build_polynomial_chrec.
13804 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13805 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13806 reset_evolution_in_loop): Insert asserts to check the types of the
13808 (chrec_type): Moved...
13809 (eq_evolutions_p): Use operand_equal_p.
13810 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13811 the types of the operands.
13812 (chrec_type): ...here.
13813 * tree-data-ref.c (create_data_ref): Convert the operands before
13814 calling chrec_replace_initial_condition.
13815 (same_access_functions, analyze_subscript_affine_affine,
13816 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13817 (compute_subscript_distance, analyze_ziv_subscript,
13818 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13819 analyze_miv_subscript): Convert the operands before calling
13820 chrec_fold_minus or chrec_fold_plus.
13822 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13824 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13825 the dependence_relations vector.
13826 (compute_data_dependences_for_loop): Adjust call to
13827 compute_all_dependences.
13829 2006-04-01 Roger Sayle <roger@eyesopen.com>
13830 Richard Henderson <rth@redhat.com>
13832 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13833 gimple_boolify on the condition before calling gimplify_expr.
13835 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13837 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13838 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13839 the frame size. Update to use the new macros.
13840 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13841 * config/xtensa/ieee754-df.S: Likewise.
13843 2006-03-31 Richard Henderson <rth@redhat.com>
13845 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13846 (make_edges): ... here. Control fallthru creation with a local
13847 variable. Do not play with fake edges.
13848 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13849 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13852 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13854 * dwarf2.h (DW64_CIE_ID): Define.
13855 * dwarf2out.c (DWARF_CIE_ID): Define.
13856 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13857 length header. Use DWARF_CIE_ID.
13858 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13859 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13861 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13863 * config/sh/linux-atomic.asm: New file.
13864 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13866 2006-03-31 DJ Delorie <dj@redhat.com>
13868 * config/m32c/cond.md: Set condition flags properly throughout.
13869 * config/m32c/minmax.md: Likewise.
13870 * config/m32c/prologue.md: Likewise.
13871 * config/m32c/bitops.md: Likewise.
13872 * config/m32c/muldiv.md: Likewise.
13873 * config/m32c/mov.md: Likewise.
13874 * config/m32c/addsub.md: Likewise.
13875 * config/m32c/m32c.md: Likewise.
13876 * config/m32c/jump.md: Likewise.
13877 * config/m32c/shift.md: Likewise.
13879 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13880 conditionally output the pattern for this.
13881 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13882 (m32c_compare_redundant): New.
13883 (m32c_output_compare): New.
13884 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13886 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13887 dest, not src. Allow other 4-byte modes.
13889 2006-03-30 Denis Chertykov <denisc@overta.ru>
13891 * doc/md.texi: Refer to avr/constraints.md instead of
13894 2006-03-30 Roger Sayle <roger@eyesopen.com>
13896 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13897 signed vs. unsigned comparison failures on some hosts.
13899 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13902 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13903 change to FLOAT_REGS.
13905 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13906 (rs6000_override_options): Use it.
13907 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13908 only for -mabi=spe/no-spe and -mabi=altivec.
13910 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13912 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13915 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13917 * Makefile.in: Rename docdir to gcc_docdir.
13919 2006-03-30 Roger Sayle <roger@eyesopen.com>
13922 * expr.c (emit_group_store): Optimize group stores into a pseudo
13923 register by using a paradoxical subreg to initialize the destination
13924 if the first or last member of the group specifies a "low part".
13926 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13929 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13930 * target.h (struct gcc_target.speculate_insn): Change type of the
13931 second parameter to 'int'.
13932 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13933 the second operand of the DEPS_LIST.
13934 (copy_DEPS_LIST_list): Update reference to the second operand of the
13936 * rtl.h (alloc_DEPS_LIST): Update signature.
13937 * sched-int.h (ds_t): Change typedef to 'int'.
13938 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13940 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13942 * haifa-sched.c (try_ready): Change condition to restore
13943 non-speculative pattern of the instruction.
13944 (process_insn_depend_be_in_spec): Code to keep probability of the
13945 speculative dependence non-decreasing.
13947 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13949 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13950 (single_move_for_movmem): ... this. Also change all uses.
13951 (bfin_expand_strmov): Renamed to...
13952 (bfin_expand_movmem): ... this. Also change all uses.
13953 * config/bfin/bfin.md (movstrsi): Renamed to...
13954 (movstrsi): ...this.
13956 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13958 PR tree-optimization/26830
13960 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13961 (copy_prop_visit_stmt): Remove write-only variable ann.
13962 (init_copy_prop): Check variable loop depth here. Do not simulate
13963 memory-tag and virtual operand PHIs except for store copy prop.
13965 2006-03-30 Richard Guenther <rguenther@suse.de>
13967 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13968 variants with double arguments.
13970 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13972 * genpreds.c (write_tm_constrs_h): Delete variable p.
13973 * genconditions.c (write_header): Add tm-constrs.h to included
13975 * genpeep.c (main): Add toplev.h to included headers.
13976 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13977 (build/genpeep.o): Add toplev.h dependency.
13978 * config/rs6000/constraints.md: Add "W" constraint.
13980 2006-03-29 Roger Sayle <roger@eyesopen.com>
13982 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13983 sizes by correctly testing whether the size fits a host integer.
13984 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13985 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13986 SImode range for the default sizetype and bitsizetype.
13988 2006-03-29 Roger Sayle <roger@eyesopen.com>
13990 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13991 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13992 quickly if the argument is already of the correct type.
13993 Call fold_build1 instead of build1. Tidy up blank lines.
13995 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13997 * genemit.c (main): Add tm-constrs.h to included headers.
13998 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13999 * genpeep.c (main): Add tm-constrs.h to included headers.
14000 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14001 (write_tm_constrs_h): this and write complete file.
14002 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14003 (write_insn_preds_c): Add tm-constrs.h to included headers.
14004 (gen_constrs): New variable.
14005 (parse_option): Parse "-c".
14006 (main): Invoke write_tm_constrs_h.
14007 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14008 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14009 (object_out_file): Add tm-constrs.h dependency.
14010 (insn-emit.o): Same.
14011 (insn-output.o): Same.
14012 (insn-peep.o): Same.
14013 (insn-preds.o): Same.
14014 (insn-recog.o): Same.
14015 (tm-constsr.h): New target.
14016 (s-constrs-h): New target.
14018 * config/rs6000/constraints.md: New file.
14019 * config/rs6000/rs6000.c: Include tm-constrs.h.
14020 (num_insn_constant_wide): Convert to satisfies_constraint.
14021 (rs6000_rtx_costs): Convert to satisfies_constraint.
14022 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14023 (CONST_OK_FOR_LETTER_P): Delete.
14024 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14025 (EXTRA_CONSTRAINT): Delete.
14026 (EXTRA_MEMORY_CONSTRAINT): Delete.
14027 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14028 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14029 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14030 satisfies_constraint.
14032 * config/i386/i386.c: Include tm-constrs.h.
14034 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14036 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14037 * tree-data-ref.c (find_data_references_in_loop,
14038 compute_data_dependences_for_loop): Use pointers to VEC.
14039 (analyze_all_data_dependences): Adjust calls.
14040 * tree-data-ref.h (find_data_references_in_loop,
14041 compute_data_dependences_for_loop): Adjust declarations.
14042 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14043 compute_data_dependences_for_loop.
14045 2006-03-29 Paul Brook <paul@codesourcery.com>
14047 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14048 (movdf_vfp): Ditto.
14050 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14052 PR tree-optimization/26859
14053 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14055 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14056 for the step after fold_convert.
14058 2006-03-29 Paul Brook <paul@codesourcery.com>
14060 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14061 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14063 2006-03-29 Paul Brook <paul@codesourcery.com>
14065 PR middle-end/23623
14066 * targhooks.c (default_narrow_bitfield): New fuction.
14067 * targhooks.h (default_narrow_bitfield): add prototype.
14068 * target.h (gcc_target): Add narrow_volatile_bitfield.
14069 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14070 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14071 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14072 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14074 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14076 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14078 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14079 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14080 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14081 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14082 (s390_function_arg_float): Allow SDmode and DDmode values to be
14083 passed in floating point registers.
14084 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14085 check with SCALAR_FLOAT_MODE_P.
14086 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14088 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14090 PR tree-optimization/25985
14091 * tree-ssa-loop-niter.c (number_of_iterations_le,
14092 number_of_iterations_ne): Make comments more precise.
14093 (number_of_iterations_cond): Add only_exit argument. Use the
14094 fact that signed variables do not overflow only when only_exit
14096 (loop_only_exit_p): New.
14097 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14098 number_of_iterations_cond.
14100 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14102 PR tree-optimization/26643
14103 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14106 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14108 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14109 (divsi3_i4_int): Likewise.
14111 2006-03-28 Roger Sayle <roger@eyesopen.com>
14113 * expr.c (emit_group_store): Only create a new pseudo reg if the
14114 quantity it needs to hold isn't already a suitable pseudo.
14116 2006-03-28 Jeff Law <law@redhat.com>
14118 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14119 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14121 2006-03-28 Roger Sayle <roger@eyesopen.com>
14123 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14124 the equivalent ~X & Y, and the symmetry related transformations.
14125 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14126 ~X & Y, and symmetry related transforms.
14128 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14130 Revert my 2006-03-27 patches.
14132 2006-03-28 Roger Sayle <roger@eyesopen.com>
14134 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14135 ~(T1)X, when T1 and T2 are integer types of the same precision
14136 and (T2)X isn't an extension.
14138 2006-03-28 Jeff Law <law@redhat.com>
14140 PR tree-optimization/26796
14141 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14142 need EH edge cleanups rather than purging them immediately.
14143 (eliminate_degenerate_phis): Handle queued EH cleanups.
14145 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14147 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14150 2006-03-27 Roger Sayle <roger@eyesopen.com>
14152 PR middle-end/22524
14153 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14154 cast BIT_NOT_EXPR operand to the correct type.
14156 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14158 * tree-loop-linear.c: Don't include varray.h.
14159 (gather_interchange_stats, try_interchange_loops,
14160 linear_transform_loops): Use VEC instead of VARRAY.
14161 * lambda-mat.c: Don't include varray.h.
14162 * tree-chrec.c: Same.
14163 * lambda-trans.c: Same.
14164 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14165 VEC instead of VARRAY.
14166 * tree-vectorizer.h: Idem.
14167 * tree-data-ref.c (dump_data_references,
14168 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14169 initialize_data_dependence_relation, finalize_ddr_dependent,
14170 compute_all_dependences, find_data_references_in_loop,
14171 compute_data_dependences_for_loop, analyze_all_data_dependences,
14172 free_dependence_relation, free_dependence_relations,
14173 free_data_refs): Idem.
14174 * tree-data-ref.h (data_reference_p, subscript_p): New.
14175 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14176 VEC instead of VARRAY.
14177 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14178 (find_data_references_in_loop, compute_data_dependences_for_loop,
14179 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14180 dump_data_dependence_relations, free_dependence_relations,
14181 free_data_refs): Adjust declaration.
14182 (lambda_transform_legal_p): Move declaration here...
14183 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14184 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14185 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14186 vect_analyze_data_refs): Use VEC instead of VARRAY.
14187 * lambda.h (lambda_transform_legal_p): ...from here.
14188 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14189 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14190 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14191 tree-chrec.o): Don't depend on VARRAY_H.
14193 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14195 * rtl.def (Copyright): Update date.
14196 (DEPS_LIST): Change type of the second operand to 'int'.
14197 * target.h (Copyright): Update date.
14198 (struct gcc_target.speculate_insn): Change type of the second parameter
14200 * lists.c (Copyright): Update date.
14201 (alloc_DEPS_LIST): Change signature. Update reference to the second
14202 operand of the DEPS_LIST.
14203 (copy_DEPS_LIST_list): Update reference to the second operand of the
14205 * rtl.h (Copyright): Update date.
14206 (alloc_DEPS_LIST): Update signature.
14207 * sched-int.h (Copyright): Update date.
14208 (ds_t): Change typedef to 'int'.
14209 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14211 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14213 * haifa-sched.c (Copyright): Update date.
14214 (try_ready): Change condition to restore non-speculative pattern
14215 of the instruction.
14216 (process_insn_depend_be_in_spec): Code to keep probability of the
14217 speculative dependence non-decreasing.
14219 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14221 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14222 shut up the compiler.
14224 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14226 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14227 to use lib prefix for target.
14228 ($(T)libic_invalidate_array_4-200.a): Likewise.
14229 ($(T)libic_invalidate_array_4a.a): Likewise.
14231 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14232 J"orn Rennecke <joern.rennecke@st.com>
14234 * superh.opt: New file.
14235 * sh.c (boardtype, osruntime): Remove.
14236 * superh.h (SUBTARGET_OPTIONS): Remove.
14237 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14239 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14240 arguments with ^ and/or [].
14242 * config.gcc (sh-*-*): Add quoting to account for quirk of
14244 Replace == with = in enable_incomplete_targets test.
14246 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14247 with MASK_LITTLE_ENDIAN.
14249 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14250 * config/sh/sh.opt: Added to some comments.
14251 * config/sh/superh.h: Removed some chaff.
14253 * config/sh/sh.opt: Add m4-[1234]00* options.
14254 * config/sh/sh.c (sh_handle_option): Likewise.
14255 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14256 (ic_invalidate_array_4-100.o): New rule.
14257 ($(T)libic_invalidate_array_4-100.a): Likewise.
14258 (ic_invalidate_array_4-200.o): Likewise.
14259 ($(T)libic_invalidate_array_4-200.a): Likewise.
14260 (ic_invalidate_array_4a.o): Likewise.
14261 ($(T)libic_invalidate_array_4a.a): Likewise.
14262 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14263 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14265 * config/sh/crt1.asm: Merged in profiling code.
14266 * config/sh/superh.h (STARTFILE_SPEC): Override.
14267 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14268 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14269 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14271 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14272 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14273 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14275 * sh.opt (mpretend-cmove): New option.
14276 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14277 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14278 (movsicc): Add TARGET_PRETEND_CMOVE code.
14280 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14282 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14283 s390_class_max_nregs): New function prototypes.
14284 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14285 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14286 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14287 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14289 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14291 * dwarf2out.c (add_location_or_const_value_attribute): Call
14292 tree_add_const_value_attribute if nothing else works.
14293 (reference_to_unused): New.
14294 (rtl_for_decl_init): Use reference_to_unused to decide whether
14295 to output an initializer.
14297 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14300 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14301 peephole removing spe frob_di_df_2.
14303 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14305 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14306 (subscript_dependence_tester_1): Declared.
14307 (print_dir_vectors, print_dist_vectors): New.
14308 (debug_data_dependence_relation): New.
14309 (dump_data_dependence_relation): Print more details.
14310 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14311 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14312 (save_dist_v, save_dir_v, add_outer_distances,
14313 build_classic_dist_vector_1): New.
14314 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14315 Don't test for lambda_vector_lexico_pos.
14316 (same_access_functions, add_multivariate_self_dist,
14317 add_other_self_distances, dir_from_dist): New.
14318 (build_classic_dir_vector): Replace implementation almost identical to
14319 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14321 (subscript_dependence_tester_1): New.
14322 (subscript_dependence_tester): Handle the lexicographically negative
14323 distance vectors by recomputing the dependence relation.
14324 (compute_affine_dependence): Remove parameter loop_nest_depth.
14325 (compute_self_dependence): Don't call compute_subscript_distance.
14326 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14327 Add a parameter for the loop_nest.
14328 (find_loop_nest_1, find_loop_nest): New.
14329 (compute_data_dependences_for_loop): Compute the loop nest, and give
14330 up if the nest is not well formed.
14331 * tree-data-ref.h (loop_p): New.
14332 (struct data_dependence_relation): Replace size_vect field with
14333 loop_nest, a vec of loops.
14334 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14335 (DDR_LOOP_NEST): New.
14336 (print_dir_vectors, print_dist_vectors,
14337 debug_data_dependence_relation): Declared.
14338 (index_in_loop_nest): New.
14339 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14340 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14343 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14345 * simplify-rtx.c (simplify_relational_operation): Call
14346 simplify_relational_operation_1 even if mode is VOIDmode.
14348 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14350 PR tree-optimization/26804
14351 * tree.h (DECL_CALL_CLOBBERED): New macro.
14352 (tree_decl_common): Add call_clobbered_flag.
14353 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14354 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14355 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14356 (mark_non_addressable): Ditto.
14357 * tree-ssa.c (verify_call_clobbered): New function.
14358 (verify_alias_info): Use it.
14359 * tree-pass.h (pass_reset_cc_flags): New prototype.
14360 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14361 (reset_cc_flags): New function.
14362 * passes.c (init_optimization_passes): Call reset_cc_flags after
14363 initializing referenced_vars.
14365 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14366 Roger Sayle <roger@eyesopen.com>
14368 PR middle-end/26717
14369 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14370 to 1.0 for non-real operands. Implement A / A optimization for
14373 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14375 * config/i386/i386.c (size_cost): Correct the comment for
14376 cost of storing fp registers.
14377 (i386_cost): Likewise.
14378 (i486_cost): Likewise.
14379 (pentium_cost): Likewise.
14380 (pentiumpro_cost): Likewise.
14381 (k6_cost): Likewise.
14382 (athlon_cost): Likewise.
14383 (k8_cost): Likewise.
14384 (pentium4_cost): Likewise.
14385 (nocona_cost): Likewise.
14386 (generic64_cost): Likewise.
14387 (generic32_cost): Likewise.
14389 2006-03-24 Denis Chertykov <denisc@overta.ru>
14391 * config/avr/avr-protos.h (extra_constraint): Delete.
14392 (extra_constraint_Q): New declaration.
14393 * config/avr/constraints.md: New file.
14394 * config/avr/avr.md: Include it.
14395 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14396 (TMP_REGNO, ZERO_REGNO): Likewise.
14397 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14398 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14399 (extra_constraint): Delete.
14400 (extra_constraint_Q): Test for memory constraint 'Q'.
14401 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14402 (REG_CLASS_FROM_LETTER): Delete.
14403 (CONST_OK_FOR_LETTER_P): Delete.
14404 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14405 (EXTRA_CONSTRAINT): Delete.
14406 (TMP_REGNO): Delete.
14407 (ZERO_REGNO): Delete.
14409 2006-03-24 Jeff Law <law@redhat.com>
14411 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14412 directly. Call mark_new_vars_to_rename slightly earlier.
14414 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14416 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14417 (is_cxx): Likewise.
14418 (gen_compile_unit_die): Use new language types for Objective-C and
14420 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14421 DW_LANG_C_plus_plus.
14424 * config/t-darwin (crt3.o): Work around bug 26840.
14425 * config/darwin-crt3.c: Rewrite.
14426 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14428 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14430 * doc/invoke.texi: Document -femit-class-debug-always
14431 * common.opt: Add -femit-class-debug-always.
14433 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14435 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14436 index and base register.
14437 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14438 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14439 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14440 REGNO_OK_FOR_INDEX_P.
14441 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14443 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14444 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14445 REG_OK_FOR_BASE_P): Definitions removed.
14447 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14449 PR middle-end/26611
14450 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14451 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14452 set yet or weren't marked as local yet.
14454 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14456 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14459 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14461 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14462 (rs6000_legitimate_small_data_p): Delete.
14463 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14464 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14465 and make static. Add forward declaration. Update uses.
14466 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14467 of offsettable_memref_p.
14468 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14469 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14471 2006-03-24 Jeff Law <law@redhat.com>
14473 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14474 around bug in immediate-use iterator.
14476 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14479 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14480 or __LITTLE_ENDIAN__.
14482 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14484 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14485 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14486 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14487 * config/sh/sh.opt (mdiv=): Amend description.
14488 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14489 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14490 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14491 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14492 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14493 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14494 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14495 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14496 TARGET_DIVIDE_CALL_FP.
14498 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14500 * haifa-sched.c (choose_ready): Fix type of the local variable.
14501 Move local variables. Add comment.
14502 (check_reg_live): Change signature. Make callable from debugger.
14503 * sched-int.h (check_reg_live): Update signature.
14504 * sched-ebb.c (check_reg_live): Update parameters.
14505 * sched-rgn.c (check_reg_live): Ditto.
14506 (region_head_or_leaf_p): Check pointer before dereferencing.
14507 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14508 before reload on optimization levels below 1.
14510 2006-03-23 Richard Henderson <rth@redhat.com>
14512 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14516 * config/alpha/predicates.md (local_symbolic_operand): Reject
14519 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14522 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14523 expressions which have overflowed constants.
14525 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14527 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14529 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14531 * cfgloopmanip.c (create_loop_notes): Removed.
14532 * final.c (final_scan_insn): Do not handle loop notes.
14533 * jump.c (squeeze_notes): Ditto.
14534 * cfglayout.c (skip_insns_after_block,
14535 duplicate_insn_chain): Ditto.
14536 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14538 * cfgloop.h (create_loop_notes): Declaration removed.
14540 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14542 * varasm.c (output_constant_pool): Restore fnname and fndecl
14544 (assemble_start_function): Adjust call accordingly.
14545 (assemble_end_function): Likewise.
14547 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14550 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14553 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14555 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14558 * system.h (ICE_EXIT_CODE): New macro.
14559 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14560 (diagnostic_action_after_output): Likewise.
14561 * gcc.c (fatal_ice): New function.
14562 (execute): Use it instead of fatal.
14563 (fancy_abort): Likewise.
14564 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14566 2006-03-22 Jeff Law <law@redhat.com>
14568 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14569 iv_analyze_result returning false.
14571 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14573 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14575 2006-03-22 Richard Henderson <rth@redhat.com>
14577 PR middle-end/26084
14578 * except.c (duplicate_eh_regions_0): New.
14579 (duplicate_eh_region_1): Duplicate the children of the node as
14580 well as the node itself. Link them up properly.
14581 (duplicate_eh_region_2): Merge into ...
14582 (duplicate_eh_regions): ... here. Take copy_region argument, and
14583 copy only a sub-tree if asked. Simplify copying and fixup.
14584 (eh_region_outer_p): New.
14585 * except.h (duplicate_eh_regions): Update decl.
14586 (eh_region_outer_p): Declare.
14587 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14588 (lower_omp_master): Likewise.
14589 (lower_omp_ordered): Likewise.
14590 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14591 (move_stmt_r): Use it to remap labels. Handle recursion vs
14592 remap_decls_p properly.
14593 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14594 (find_outermost_region_in_block): New.
14595 (new_label_mapper): New.
14596 (move_sese_region_to_fn): Copy eh information to the new function
14598 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14600 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14603 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14605 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14606 into shared libraries.
14608 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14610 * doc/md.texi: Refer to i386/constraints.md instead of
14611 i386/predicates.md.
14612 * config/i386/constraints.md: New file, extracted from...
14613 * config/i386/predicates.md: ...here.
14614 * config/i386/i386.md: Include constraints.md.
14616 2006-03-21 Jason Merrill <jason@redhat.com>
14618 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14620 PR middle-end/20297
14621 * expr.c (init_block_move_fn): Force default visibility.
14622 (init_block_clear_fn): Likewise.
14623 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14624 * targhooks.c (default_external_stack_protect_fail): Likewise.
14626 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14628 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14629 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14630 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14631 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14632 (loadgp): Use mips_current_loadgp_style.
14633 (loadgp_noshared): New pattern.
14634 (sibcall_internal): Use MIPS_CALL.
14635 (sibcall_value_internal): Likewise.
14636 (sibcall_value_multiple_internal): Likewise.
14637 (call_internal): Likewise.
14638 (call_value_internal): Likewise.
14639 (call_value_multiple_internal): Likewise.
14640 (call_split): Use MIPS_CALL and add an 'S' constraint.
14641 (call_value_split): Likewise.
14642 (call_value_multiple_split): Likewise.
14643 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14644 (-mshared): New option.
14645 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14646 (mips_current_loadgp_style): Declare.
14647 * config/mips/mips.c (mips_classify_symbol): Avoid using
14648 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14649 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14650 TARGET_ABSOLUTE_ABICALLS.
14651 (override_options): Adjust comments. Improve the warning that is
14652 issued when -mabicalls and -G are used together.
14653 (mips_file_start): Remove comment.
14654 (mips_current_loadgp_style): New function.
14655 (mips_gnu_local_gp): New variable.
14656 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14658 (mips_output_function_prologue): Use mips_current_laodgp_style.
14659 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14660 the cprestore instruction.
14661 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14662 live for TARGET_ABSOLUTE_ABICALLS.
14663 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14664 (ASM_SPEC): Pass down -mshared and -mno-shared.
14665 (MIPS_CALL): New macro.
14666 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14668 * doc/invoke.texi (-mabicalls): Update documentation.
14669 (-mshared): Document.
14671 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14673 * config/ia64/unwind-hpux.c: New file.
14674 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14676 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14679 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14681 2006-03-21 Jeff Law <law@redhat.com>
14683 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14684 type conversions of a VR_VARYING source to a wider type.
14686 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14688 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14689 tm_file on Solaris 10 and later.
14690 (sparc64-*-solaris2*): Likewise.
14691 (sparc-*-solaris2*): Likewise.
14692 * config/sol26.h: Rename to config/sol2-6.h.
14693 * config/sol2-10.h: New file.
14695 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14698 * tree-ssa-pre.c (create_component_ref_by_pieces):
14701 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14704 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14705 return it immediately.
14707 2006-03-21 Michael Matz <matz@suse.de>
14709 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14711 (remove_arc, add_arc): Update num_out_arcs member.
14712 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14714 (cache_presence): New function.
14715 (compare_states_for_equiv): New function.
14716 (state_is_differed): Don't take number of outargs, adjust callers.
14717 Use new invariant for speeding up.
14718 (init_equiv_class): Create initial classes based on sorted
14720 (partition_equiv_class): Don't track out_arcs_num.
14721 (evaluate_equiv_classes): Call cache_presence on all states and
14724 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14726 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14727 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14728 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14729 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14731 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14732 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14733 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14734 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14735 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14737 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14738 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14739 (REGNO_REG_CLASS): ARGP is in PREGS.
14740 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14742 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14743 to deal with those addresses.
14744 * addresses.h: New file.
14745 * caller-save.c: Include "addresses.h".
14746 (init_caller_save): Use new base_reg_class function.
14747 * rtl-factoring.c: Include "addresses.h".
14748 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14749 * recog.c: Include "addresses.h".
14750 (preprocess_constraints): Use new base_reg_class function.
14751 * regrename.c: Include "addresses.h".
14752 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14753 functions. Keep track of a new var INDEX_CODE to compute valid
14755 (replace_oldest_value_addr): Likewise.
14756 (replace_oldest_value_mem): Use base_reg_class.
14757 * reload.c: Include "addresses.h".
14758 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14759 (find_reloads): Use new base_reg_class function.
14760 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14761 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14762 all callers and prototype changed.
14763 * reload1.c: Include "addresses.h".
14764 (maybe_fix_stack_asms): Use base_reg_class.
14765 * regclass.c: Include "addresses.h".
14766 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14767 (init_reg_autoinc): Use new base_reg_class function.
14768 (record_reg_classes): Likewise.
14769 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14770 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14771 Use new args to compute necessary class.
14773 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14774 regrename.o, rtl-factoring.o): Update dependencies.
14775 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14776 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14777 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14778 REG_OK_FOR_INDEX_P): Delete documentation.
14780 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14782 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14783 from V7 to V9 for Solaris 7 and above.
14785 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14787 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14788 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14789 argument pointers may not alias any other storage.
14790 * common.opt: Define option -fargument-noalias-anything.
14791 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14792 alias semantics is specified by flag_argument_noalias > 2.
14794 2006-03-20 Jeff Law <law@redhat.com>
14796 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14797 (pass_phi_only_cprop): Declare.
14798 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14799 with phi_only_cprop
14800 * tree-ssa-dom.c (degenerate_phi_result): New function.
14801 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14802 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14803 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14804 (eliminate_degenerate_phis): Likewise.
14805 (pass_phi_only_cprop): New pass descriptor.
14806 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14807 support code. Callers updated.
14808 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14809 (store_copy_prop): Likewise.
14810 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14812 2006-03-20 Jason Merrill <jason@redhat.com>
14815 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14816 (push_visibility, pop_visibility): Likewise.
14817 * c-pragma.h: Declare them.
14819 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14821 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14823 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14824 parameter and use get_ebb_head_tail.
14825 (sh_md_init_global): Adjust uses of find_regmode_weight.
14827 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14829 * function.h (struct function) <x_tail_recursion_reentry>:
14830 Rename to x_stack_check_probe_note.
14831 (tail_recursion_reentry): Rename to stack_check_probe_note.
14832 * function.c: Replace tail_recursion_reentry with
14833 stack_check_probe_note everywhere.
14834 (expand_function_start): Only emit a note for
14835 stack_check_probe_note with -fstack-protect.
14836 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14838 * emit-rtl.c (remove_unnecessary_notes): Remove.
14839 (pass_remove_unnecessary_notes): Remove.
14840 * rtl.h (remove_unnecessary_notes): Remove prototype.
14841 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14842 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14843 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14845 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14848 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14849 (valid_in_set): Handle ARRAY_REF.
14850 Change "if min_variant or VH" to asserts.
14851 (create_component_ref_by_pieces): Handle ARRAY_REF.
14852 (create_expression_by_pieces): Likewise.
14853 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14855 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14857 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14858 is operand of switch, not str[0].
14860 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14862 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14863 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14865 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14867 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14868 end of insn_extra_address_constraint declaration.
14870 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14872 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14873 (no-sum-in-toc): Same.
14874 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14876 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14877 NO_FP_IN_TOC for -fPIC instead of mask.
14879 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14880 (BOOT_LDFLAGS): Delete.
14882 * config/rs6000/t-aix52: Same.
14884 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14885 (stmsi[345678]_power): New.
14887 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14889 * config/ia64/ia64.opt: Add empty line to end of file.
14891 2006-03-17 Richard Guenther <rguenther@suse.de>
14893 PR middle-end/26721
14894 * builtins.c (get_pointer_alignment): For component style references
14895 adjust alignment to the component type alignment. Make sure
14896 to adjust alignment for component access of constants.
14898 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14900 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14901 unconditional jump.
14903 2006-03-17 Paul Brook <paul@codesourcery.com>
14905 * doc/install.texi: Docuemnt --with-mode.
14906 * config.gcc: Add --with-mode for arm*-*-*.
14907 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14909 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14911 * sh.c (max_labelno_before_reorg): New variable.
14912 (sh_reorg): Initialize it.
14913 (find_barrier): Check max_labelno_before_reorg before using
14914 label_to_alignment. Take length of explicit alignment insns
14915 into account. When seeing a UNSPECV_CONST_END, return it.
14917 * sh.c (fixup_mova): Set mode of affected label to QImode.
14918 (untangle_mova): New function.
14919 (find_barrier): Use it. Check mode of label before decrementing
14921 (sh_reorg): Likewise.
14922 Set mode of all insns back to VOIDmode.
14924 * sh.c (MOVA_LABELREF): New macro.
14925 (mova_p, fixup_mova, sh_reorg): Use it.
14926 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14927 ADDR_DIFF_VEC matches mova.
14929 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14931 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14932 with ATTRIBUTE_UNUSED.
14934 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14936 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14937 pointer, instead of assuming it is possible to derive the
14938 correct args size from a call insn.
14940 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14942 * rtl.h (CONST_INT_P): Define.
14943 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14944 instead of GET_CODE(x) == CONST_INT.
14945 (vax_rtx_costs): Likewise.
14946 (vax_output_int_move): Likewise.
14947 (vax_output_int_add): Likewise.
14948 (legitimate_constant_address_p): Likewise.
14949 (index_term_p): Likewise.
14950 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14951 * config/vax/vax.md (and<mode>3): Likewise.
14952 (ashrsi3): Likewise.
14954 (movstricthi): Likewise.
14955 (movstrictqi): Likewise.
14956 (rotrsi3): Likewise.
14957 (five unnamed insns): Likewise.
14959 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14961 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14962 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14963 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14964 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14965 Pass to ASM_OUTPUT_DWARF_OFFSET.
14966 * dwarf2out.c (debug_frame_section): New.
14967 (output_call_frame_info): Use debug_frame_section. Pass it to
14968 dw2_asm_output_offset.
14969 (output_die): Pass appropriate section to dw2_asm_output_offset.
14970 (output_compilation_unit_header): Likewise.
14971 (output_pubnames): Likewise.
14972 (output_aranges): Likewise.
14973 (enum dw_val_class): Break dw_val_class_lbl_offset into
14974 dw_val_class_lineptr and dw_val_class_macptr.
14975 (add_AT_lbl_offset): Delete.
14976 (add_AT_lineptr): New.
14977 (add_AT_macptr): New.
14978 (AT_lbl): Expect a lineptr or macptr.
14979 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14980 (attr_checksum): Likewise.
14981 (same_dw_val_p): Likewise.
14982 (size_of_die): Likewise.
14983 (value_format): Likewise.
14984 (output_die): Likewise.
14985 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14987 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14988 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14989 * config/darwin-protos.h (darwin_file_start): New.
14990 (darwin_asm_output_dwarf_offset): New.
14991 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14992 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14994 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14995 if not EH section; simplify.
14996 (darwin_file_start): New.
14997 (darwin_asm_output_dwarf_offset): New.
14998 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15000 (DEBUG_INFO_SECTION): Likewise.
15001 (DEBUG_ABBREV_SECTION): Likewise.
15002 (DEBUG_ARANGES_SECTION): Likewise.
15003 (DEBUG_MACINFO_SECTION): Likewise.
15004 (DEBUG_LINE_SECTION): Likewise.
15005 (DEBUG_LOC_SECTION): Likewise.
15006 (DEBUG_PUBNAMES_SECTION): Likewise.
15007 (DEBUG_STR_SECTION): Likewise.
15008 (DEBUG_RANGES_SECTION): Likewise.
15009 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15010 (ASM_OUTPUT_DWARF_OFFSET): New.
15012 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15014 * config.gcc (tm_defines): Always add to previous value rather
15017 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15019 * config/mips/predicates.md (splittable_const_int_operand): New,
15020 split from move_operand.
15021 (splittable_symbolic_operand): New.
15022 (move_operand): Add commentary. Use splittable_const_int_operand.
15023 Inline mips_atomic_symbolic_constant_p.
15024 * config/mips/mips.md: Add combine splitters for handling moves
15025 of splittable_const_int_operands and splittable_symbolic_operands.
15026 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15027 (mips_split_symbol): Declare.
15028 (mips_move_integer): Declare.
15029 * config/mips/mips.c (mips_split_p): Make global.
15030 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15031 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15032 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15033 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15034 (mips_offset_within_object_p): Handle block symbols.
15035 (mips_atomic_symbolic_constant_p): Delete.
15036 (mips_cannot_force_const_mem): Return false for constants that
15037 mips_legitimize_move can handle.
15038 (mips_use_blocks_for_constant_p): New function.
15039 (mips_split_symbol): Make global.
15040 (mips_move_integer): Likewise. Add a temporary register argument.
15041 (mips_legitimize_const_move): Use splittable_const_int_operand and
15042 splittable_symbolic_operand.
15043 (mips_use_anchors_for_symbol_p): New function.
15044 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15045 (mips_split_p): Declare.
15047 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15049 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15050 (mips*-*-linux*): Likewise.
15052 2006-03-16 Roger Sayle <roger@eyesopen.com>
15053 Daniel Speyer <dspeyer@wam.umd.edu>
15055 PR middle-end/18259
15056 * tree-dump.c (dump_real): New function.
15057 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15058 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15059 (tree-dump.o): Add $(REAL_H) to the dependencies.
15061 2006-03-16 Roger Sayle <roger@eyesopen.com>
15063 PR middle-end/21781
15064 * real.c (real_from_string): If the mantissa is zero, don't bother
15065 parsing the exponent as the result should always be zero.
15067 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15069 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15071 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15073 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15074 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15075 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15076 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15077 ia64_sched_finish_global): New static functions to implement
15078 hooks from gcc_target.sched.
15079 (spec_check_no, max_uid, pending_data_specs): New static variables.
15080 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15081 ia64_spec_check_src_p): New static functions.
15082 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15083 (TARGET_SCHED_ADJUST_COST): Removed.
15084 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15085 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15086 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15087 TARGET_SCHED_GEN_CHECK,
15088 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15089 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15090 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15091 Fixed to handle speculation checks.
15092 (rtx_needs_barrier): Fixed to handle speculative loads and
15094 (ia64_variable_issue): Added code to count speculative loads and their
15096 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15098 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15100 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15102 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15103 (ia64_reorg): Reset stops_p to NULL after it is freed.
15104 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15105 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15106 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15108 (data_speculative, control_speculative, check_load): New attributes.
15109 (mov<mode>_advanced, mov<mode>_speculative,
15110 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15111 zero_extend<mode>di2_speculative,
15112 zero_extend<mode>di2_speculative_advanced): New patterns for
15113 data and control speculative loads.
15114 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15116 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15117 New pattern for data and control speculation checks.
15118 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15119 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15120 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15121 Auxiliary definitions for the patterns.
15122 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15123 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15125 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15127 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15128 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15129 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15130 New resource constraints.
15131 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15133 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15134 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15135 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15136 msched-in-control-spec, msched-ldc, msched-control-ldc,
15137 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15138 msched-prefer-non-control-spec-insns,
15139 msched-count-spec-in-critical-path): New flags to tune speculative
15141 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15142 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15143 msched-in-control-spec, msched-ldc, msched-control-ldc,
15144 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15145 msched-prefer-non-control-spec-insns,
15146 msched-count-spec-in-critical-path): Document new flags.
15148 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15150 * target.h (struct spec_info_def): New opaque declaration.
15151 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15152 speculate_insn, needs_block_p, gen_check,
15153 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15154 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15155 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15156 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15157 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15158 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15160 (TARGET_SCHED): Use new macros.
15161 * rtl.h (copy_DEPS_LIST_list): New prototype.
15162 * sched-int.h (struct sched_info): Change signature of new_ready field,
15163 adjust all initializations. New fields: add_remove_insn,
15164 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15165 region_head_or_leaf_p.
15166 (struct spec_info_def): New structure declaration.
15167 (spec_info_t): New typedef.
15168 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15169 recovery_block, orig_pat.
15170 (glat_start, glat_end): New variables declaraions.
15171 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15173 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15174 DETACH_LIFE_INFO, USE_GLAT.
15175 (enum SPEC_SCHED_FLAGS): New enumeration.
15176 (NOTE_NOTE_BB_P): New macro.
15177 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15178 attach_life_info, debug_spec_status, check_reg_live): New functions.
15179 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15180 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15182 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15183 * ddg.c (get_block_head_tail): Adjust all uses.
15184 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15185 (sms_sched_info): Initialize new fields.
15186 (contributes_to_priority): Removed.
15187 * haifa-sched.c (params.h): New include.
15188 (get_block_head_tail): Adjust all uses.
15189 (ISSUE_POINTS): New macro.
15190 (glat_start, glat_end): New global variables.
15191 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15192 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15193 old_last_basic_block, before_recovery, current_sched_info_var,
15194 rgn_n_insns, luid): New static variables.
15195 (insn_cost1): New function. Move logic from insn_cost to here.
15196 (find_insn_reg_weight1): New function. Move logic from
15197 find_insn_reg_weight to here.
15198 (reemit_notes, move_insn, max_issue): Change signature.
15199 (move_insn1): Removed.
15200 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15201 extend_bb): New static functions to support extension of scheduler's
15203 (generate_recovery_code, process_insn_depend_be_in_spec,
15204 begin_speculative_block, add_to_speculative_block,
15205 init_before_recovery, create_recovery_block, create_check_block_twin,
15206 fix_recovery_deps): New static functions to support
15207 generation of recovery code.
15208 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15209 restore_bb_notes, move_block_after_check, move_succs): New static
15210 functions to support ebb scheduling.
15211 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15212 functions to support handling of register live information.
15213 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15214 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15215 add_jump_dependencies): New static functions.
15216 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15217 consistancy checking.
15218 (debug_spec_status): New function to call from debugger.
15219 (priority): Added code to handle speculation checks.
15220 (rank_for_schedule): Added code to distinguish speculative instructions.
15221 (schedule_insn): Added code to handle speculation checks.
15222 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15223 Fixed to handle ebbs.
15224 (move_insn): Added code to handle ebb scheduling.
15225 (max_issue): Added code to use ISSUE_POINTS of instructions.
15226 (choose_ready): Added code to choose between speculative and
15227 non-speculative instructions.
15228 (schedule_block): Added code to handle ebb scheduling and scheduling of
15229 speculative instructions.
15230 (sched_init): Initialize new variables.
15231 (sched_finish): Free new variables. Print statistics.
15232 (try_ready): Added code to handle speculative instructions.
15233 * lists.c (copy_DEPS_LIST_list): New function.
15234 * sched-deps.c (extend_dependency_caches): New function. Move logic
15235 from create_dependency_caches to here.
15236 (get_dep_weak, ds_merge): Make global.
15237 * genattr.c (main): Code to output prototype for
15238 dfa_clear_single_insn_cache.
15239 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15240 (output_dfa_clean_insn_cache_func): Code to output
15241 dfa_clear_single_insn_cache function.
15242 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15244 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15246 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15247 New static variables.
15248 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15249 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15251 (ebb_sched_info): Initialize new fields.
15252 (get_block_head_tail): Adjust all uses.
15253 (compute_jump_reg_dependencies): Fixed to use glat_start.
15254 (schedule_ebb): Code to remove unreachable last block.
15255 (schedule_ebbs): Added code to update register live information.
15256 * sched-rgn.c (region_sched_info): Initialize new fields.
15257 (get_block_head_tail): Adjust all uses.
15258 (last_was_jump): Removed. Adjust users.
15259 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15260 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15261 Implement new hooks.
15262 (check_dead_notes1): New static function.
15263 (struct region): New fields: dont_calc_deps, has_real_ebb.
15264 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15265 (BB_TO_BLOCK): Fixed to handle EBBs.
15266 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15267 (ebb_head): New static variable.
15268 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15269 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15271 (compute_dom_prob_ps): New assertion.
15272 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15273 global_live_at_start.
15274 (init_ready_list): New assertions.
15275 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15276 (new_ready): Add support for BEGIN_CONTROL speculation.
15277 (schedule_insns): Fixed code that updates register live information
15279 (schedule_region): Fixed to handle EBBs.
15280 (init_regions): Use extend_regions and check_dead_notes1.
15281 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15282 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15283 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15284 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15285 TARGET_SCHED_GEN_CHECK,
15286 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15287 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15288 * doc/invoke.texi (max-sched-insn-conflict-delay,
15289 sched-spec-prob-cutoff): Document.
15291 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15293 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15294 inter_tick, queue_index.
15295 (struct sched_info): Change signature of init_ready_list field.
15296 Adjust all initializations.
15297 (RESOLVED_DEPS): New access macro.
15298 (ready_add): Remove prototype.
15299 (try_ready): Add prototype.
15300 * sched-rgn.c (init_ready_list): Use try_ready.
15301 (schedule_region): Initialize
15302 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15303 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15304 (init_ready_list): Use try_ready.
15305 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15306 * lists.c (remove_list_elem): Remove `static'.
15307 (remove_free_INSN_LIST_elem): New function.
15308 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15309 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15310 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15312 (readyp): New variable.
15313 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15314 change_queue_index, resolve_dep): New static functions.
15315 (try_ready): New function. Adjust callers in sched-rgn.c and
15316 sched-ebb.c to use it instead of ready_add.
15317 (clock_var): Move at the begining of file.
15318 (rank_for_schedule): Fix typo.
15319 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15320 (ready_lastpos): Enforce assertion.
15321 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15322 update all callers.
15323 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15324 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15325 (queue_to_ready): Use free_INSN_LIST_list.
15326 (early_queue_to_ready): Fix typo.
15327 (schedule_block): Init readyp. Move init_ready_list call after the
15328 initialization of clock_var. Fix error in rejecting insn by
15329 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15330 that previously corrected INSN_TICKs. Add code for handling
15332 (set_priorities): Fix typo.
15333 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15334 Clarify comment and code that keeps current_sched_info->next_tail
15337 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15339 * sched-rgn.c (extend_rgns): New static function.
15340 (find_rgns): Use it.
15341 (gather_region_statistics, print_region_statistics): New static
15343 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15344 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15346 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15347 Andrey Belevantsev <abel@ispras.ru>
15349 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15350 * lists.c (unused_deps_list): New variable.
15351 (free_list): Add assertions to verify the proper distinguishing
15352 between INSN_LISTs and DEPS_LISTs.
15353 (find_list_elem, remove_list_elem, remove_list_node): New static
15355 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15356 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15357 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15358 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15360 (free_INSN_LIST_node): Likewise.
15361 * modulo-sched.c (current_sched_info): Initialize flags field.
15362 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15363 * rtl.def (DEPS_LIST): Define.
15364 * rtl.h: Declare new functions from lists.c.
15365 * sched-deps.c (spec_dependency_cache): New static variable.
15366 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15367 (add_dependence): Change return type to void. Move the logic to ...
15368 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15369 (delete_all_dependences): Add comment about forward_dependency_cache.
15370 Handle spec_dependency_cache. Handle DEPS_LISTs.
15371 (fixup_sched_groups): Clarify the change of priority of output
15372 and anti dependencies.
15373 (sched_analyze_2): Adjust add_dependence calls to create data
15374 speculative dependence.
15375 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15376 Adjust all callers. Handle DEPS_LISTS.
15377 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15378 presence of speculation.
15379 (init_dependency_caches, free_dependency_caches):
15380 Handle spec_dependency_cache.
15381 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15382 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15383 New static functions.
15384 (add_or_update_back_dep, add_or_update_back_forw_dep,
15385 add_back_forw_dep, delete_back_forw_dep): New functions.
15386 * sched-int.h (ds_t, dw_t): New typedefs.
15387 (struct sched_info): Add new field flags.
15388 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15389 Prototype new sched-deps.c functions.
15390 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15391 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15392 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15393 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15394 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15395 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15397 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15399 * sched-rgn.c (current_sched_info): Initialize flags field.
15400 (schedule_insns): Initialize current_sched_info before the sched_init
15402 * sched-ebb.c (current_sched_info): Initialize flags field.
15403 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15404 Call add_or_update_back_dep instead of add_dependence.
15405 Create control speculative dependencies.
15406 (schedule_insns): Initialize current_sched_info before the sched_init
15409 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15411 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15413 (sh_fallback_frame_state): Likewise.
15415 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15417 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15418 Do switch on default_use_cxa_atexit.
15419 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15420 * config/darwin-crt3.o: New.
15421 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15422 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15423 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15425 * config/rs6000/t-darwin: Move crt2.o building to here.
15426 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15427 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15430 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15432 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15433 from '! xxx' to '!xxx' for coding-style conformance.
15434 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15435 (EXTRA_CONSTRAINT): Likewise.
15436 * config/vax/vax.md (four unnamed insns): Likewise.
15438 2006-03-15 Paul Brook <paul@codesourcery.com>
15440 * config/arm/arm.c (minipool_pad): New.
15441 (add_minipool_forward_ref): Include pool alignment padding in address
15443 (push_minipool_fix): Set minipool_pad.
15444 (minipool_pad): Ditto.
15446 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15448 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15449 instead of GET_CODE() == MEM and REG_P() instead of
15451 (print_operand_address): Likewise.
15452 (vax_address_cost): Likewise.
15453 (vax_rtx_costs): Likewise.
15454 (vax_notice_update_cc): Likewise.
15455 (vax_output_int_add): Likewise.
15456 (INDEX_REGISTER_P): Likewise.
15457 (BASE_REGISTER_P): Likewise.
15458 (nonindexed_address_p): Likewise.
15459 (vax_mode_dependent_address_p): Likewise.
15460 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15461 (PRINT_OPERAND): Likewise.
15462 * config/vax/vax.md (ashlsi3): Likewise.
15463 (ashlsi3): Likewise.
15464 (some more unnamed insns): Likewise.
15466 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15468 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15469 iterator-style macro.
15470 (mark_control_dependent_edges_necessary): Update the use of
15471 EXECUTE_IF_CONTROL_DEPENDENT.
15473 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15475 * config/sh/predicates.md (cache_address_operand): Special.
15476 (ua_address_operand): Likewise.
15478 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15480 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15482 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15484 2006-03-15 Andreas Schwab <schwab@suse.de>
15486 * gensupport.c (identify_predicable_attribute): Don't free p_false
15487 when it is still in use.
15489 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15491 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15492 the default setting here.
15494 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15496 * tree-pass.h (pass_cfg): Remove.
15497 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15498 * passes.c (pass_cfg): Don't run it.
15500 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15502 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15503 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15505 (stack_regs_mentioned): Update the uses of
15506 stack_regs_mentioned_data. Don't access the array beyond its
15508 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15509 Don't include gt-reg-stack.h.
15511 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15512 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15514 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15516 PR middle-end/26684
15517 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15520 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15522 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15524 2006-03-14 Richard Guenther <rguenther@suse.de>
15526 PR tree-optimization/26672
15527 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15530 2006-03-14 Richard Guenther <rguenther@suse.de>
15532 PR tree-optimization/26667
15533 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15534 node for the callees. Always allow inlining if it will shrink
15537 2006-03-14 Richard Guenther <rguenther@suse.de>
15539 PR middle-end/26659
15540 * builtins.c (get_pointer_alignment): Prefer alignment
15541 information from decls over that from types.
15543 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15546 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15548 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15550 * config/rs6000/rs6000.opt (mdlmzb): New option.
15551 (msched-prolog, msched-epilog): Use Var not Mask.
15552 * doc/invoke.texi (-mdlmzb): Document.
15553 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15555 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15556 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15558 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15560 PR rtl-optimization/25739
15561 * bt-load.c (augment_live_range): Free tos pointer.
15563 * gensupport.c (identify_predicable_attribute): Free
15565 * gcov.c (create_file_names): Free name pointer.
15567 2006-03-13 Roger Sayle <roger@eyesopen.com>
15569 PR middle-end/26557
15570 * stmt.c (emit_case_nodes): Handle the case where the index is a
15571 CONST_INT, where the comparison mode is specified by the index type.
15573 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15575 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15578 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15580 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15581 (*branch_fp_inverted): Likewise.
15583 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15585 PR middle-end/25989
15586 * omp-low.c (expand_omp_for_generic): Mark istart0
15587 and iend0 as addressable.
15589 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15591 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15593 2006-03-13 Jeff Law <law@redhat.com>
15595 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15596 virtual operands are interesting.
15597 (vrp_visit_stmt): Corresponding changes.
15599 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15601 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15603 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15604 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15605 * config/bfin/crti.S: Use it instead of __PIC__.
15606 * config/bfin/crtn.S: Likewise.
15608 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15609 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15611 Lose 'G' modifier for call operand.
15612 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15613 recognize 'G' modifier.
15615 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15617 PR middle-end/18859
15618 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15619 * stmt.c (expand_case): Likewise.
15621 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15623 PR rtl-optimization/26254
15624 * loop-invariant.c (seq_insns_valid_p): New function.
15625 (move_invariant_reg): Only emit new code if it is valid.
15627 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15629 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15631 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15632 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15633 (commit_one_edge_insertion): Do not look for loop notes.
15635 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15637 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15638 flag_test_coverage out of loop.
15640 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15642 * final.c (shorten_branches): Remove outdated comment, and turn
15643 the if branch that guards it to continue.
15645 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15647 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15648 * cfgloop.h (struct loop): Remove unused fields.
15650 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15652 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15653 (-dL, -fdump-rtl-loop2): Update the dump file names
15655 * doc/invoke.texi: Update dump file names.
15657 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15659 * predict.c (estimate_probability): Remove.
15660 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15661 * basic-block.h (estimate_probability): Remove prototype.
15662 * passes.c (finish_optimization_passes): Dump branch prediction or
15663 profiling heuristics to the .profile tree dump.
15664 (init_optimization_passes): Unqueue pass_branch_prob.
15666 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15668 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15670 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15671 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15673 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15675 * function.h (frame_offset_overflow): Declare.
15676 * function.c (frame_offset_overflow): New function.
15677 (assign_stack_local_1): Call it to detect that the offset overflows.
15678 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15680 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15682 * config/sh/sh.c: Include alloc-pool.h.
15683 (label_ref_list_pool): New alloc pool.
15684 (label_ref_list_t): New type for lists of labels.
15685 (struct pool_node): Make wend a label_ref_list_t.
15686 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15688 (dump_table): Likewise.
15689 (sh_reorg): Set up the alloc pool before using add_constant and
15690 dump_table, and destroy it when finishing.
15692 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15694 * config/mips/mips.c: Remove redundant comment.
15696 2006-03-10 Jason Merrill <jason@redhat.com>
15699 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15700 the target was declared 'register'.
15702 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15704 * genpreds.c (write_insn_constraint_len): Change definition of
15705 insn_constraint_len to return size_t to match the declaration.
15707 2006-03-10 DJ Delorie <dj@redhat.com>
15709 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15711 (m32c_expand_insv): Fix test for an AND mask.
15713 2006-03-10 Richard Guenther <rguenther@suse.de>
15715 PR middle-end/26565
15716 * builtins.c (get_pointer_alignment): Handle component
15717 references for field alignment.
15719 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15721 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15722 when building with libgloss.
15723 (sh*elf): Implement --without-fp option.
15724 (sh64-superh-linux*): Don't multilib.
15726 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15728 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15730 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15732 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15733 Set it when one of the replacement functions returned true.
15734 Return TODO_cleanup_cfg if cfgchanged is true.
15735 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15737 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15739 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15740 instead of gen_lowpart.
15742 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15744 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15746 (mips_output_order_conditional_branch): Declare.
15747 * config/mips/mips.h (MIPS_BRANCH): New macro.
15748 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15749 for the comparison. Use gen_condjump.
15750 (mips_output_conditional_branch): Rework interface to take the
15751 asm templates for a direct branch and the inverse of a direct branch.
15752 (mips_output_order_conditional_branch): New function.
15753 (mips_builtin_branch_and_move): New function.
15754 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15755 branch condition. Use gen_single_cc as the condition for
15756 __builtin_mips_upper_* or __builtin_mips_lower_*.
15757 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15758 Use VOIDmode for the branch condition.
15759 * config/mips/predicates.md (order_operator): New predicate.
15760 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15761 (branch_fp): Rename to...
15762 (*branch_fp): ...this. Remove mode from comparison operator.
15763 Use new mips_output_conditional_branch interface.
15764 (branch_fp_inverted): Rename to...
15765 (*branch_fp_inverted): ...this and update as for *branch_fp.
15766 (*branch_zero<mode>): Rename to...
15767 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15768 Use mips_output_order_conditional_branch. Only accept ordered
15770 (*branch_zero<mode>_inverted): Rename to...
15771 (*branch_order<mode>_inverted): ...this and update as for
15772 *branch_order<mode>.
15773 (*branch_equality<mode>): Accept zero as the second operand to
15774 the equality operator. Use the new mips_output_conditional_branch
15776 (*branch_equality<mode>_inverted): Likewise.
15777 (condjump): New expander.
15778 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15780 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15781 (bc1any2t, bc1any2f): Likewise.
15782 (single_cc): New expander.
15783 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15785 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15787 * doc/md.texi: Update documentation of MIPS constraints.
15788 * config/mips/constraints.md: New file.
15789 * config/mips/mips.md: Include it.
15790 * config/mips/mips.c (mips_char_to_class): Delete.
15791 (override_options): Don't initialize mips_char_to_class.
15792 * config/mips/mips.h (mips_char_to_class): Delete.
15793 (REG_CLASS_FROM_LETTER): Delete.
15794 (CONST_OK_FOR_LETTER_P): Delete.
15795 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15796 (EXTRA_CONSTRAINT_Y): Delete.
15797 (EXTRA_CONSTRAINT_STR): Delete.
15798 (CONSTRAINT_LEN): Delete.
15799 (EXTRA_MEMORY_CONSTRAINT): Delete.
15801 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15803 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15804 original fn's eh regions.
15806 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15808 * fold-const.c (build_range_check): Make sure to use a valid type to
15809 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15812 (range_predecessor): New static function.
15813 (range_successor): Likewise.
15814 (merge_ranges): Use them to compute predecessors and successors of
15817 2006-03-09 Roger Sayle <roger@eyesopen.com>
15819 PR middle-end/26561
15820 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15821 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15823 2006-03-08 DJ Delorie <dj@redhat.com>
15825 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15826 (addpsi3): Expand to include memory operands. Remove
15827 reload-specific splits.
15828 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15829 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15830 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15831 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15832 (shift1_qi, shift1_hi, insv): New.
15833 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15834 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15835 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15837 * config/m32c/m32c-protos.h: Update as needed.
15838 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15839 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15840 Fail for unrecognized R* constraints.
15841 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15842 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15843 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15845 (m32c_init_libfuncs): New.
15846 (m32c_legitimate_address_p): Add debug wrapper.
15847 (m32c_rtx_costs): New.
15848 (m32c_address_cost): New.
15849 (conversions): Add 'B' prefix.
15850 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15851 operands, or word regnames for QI operands. 'B' prints bit
15853 (m32c_expand_setmemhi): New.
15854 (m32c_expand_movmemhi): New.
15855 (m32c_expand_movstr): New.
15856 (m32c_expand_cmpstr): New.
15857 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15858 (m32c_expand_neg_mulpsi3): Handle non-ints.
15859 (m32c_cmp_flg_0): New.
15860 (m32c_expand_movcc): New.
15861 (m32c_expand_insv): New.
15862 (m32c_scc_pattern): New.
15863 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15864 a0/a1 out of SIregs.
15865 (STORE_FLAG_VALUE): New.
15866 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15869 * config/m32c/mov.md: Make constraints more liberal.
15870 (zero_extendqihi2): Optimize r0/r1 case.
15871 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15872 * config/m32c/predicates.md (m32c_any_operand): New.
15873 (m32c_nonimmediate_operand): New.
15874 (m32c_hl_operand): New.
15875 (m32c_r3_operand): New.
15878 (memsym_operand): New.
15879 (memimmed_operand): New.
15880 (a_qi_operand): New.
15881 (m32c_eqne_operator): New.
15882 (m32c_1bit8_operand): New.
15883 (m32c_1bit16_operand): New.
15884 (m32c_1mask8_operand): New.
15885 (m32c_1mask16_operand): New.
15886 * config/m32c/blkmov.md: New file.
15887 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15889 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15891 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15892 unsigned to fix signed/unsigned comparison issue in
15893 DWARF2_FRAME_REG_OUT.
15894 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15895 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15897 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15898 of ptr into the ENABLE_CHECKING section.
15900 2006-03-08 Jeff Law <law@redhat.com>
15902 * tree-vrp.c (infer_value_range): Only count pointer uses
15903 and dereferences if -fdelete-null-pointer-checks is enabled.
15905 * tree-vrp.c (find_assert_locations): Infer value ranges for
15906 single use pointers, but do not create ASSERT_EXPRs for them.
15907 When a non-null range is inferred for a pointer, backwards
15908 propagate that range to other equivalent pointers through the
15911 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15914 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15915 language hook targets.
15916 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15917 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15918 if language hook targets were missing.
15920 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15922 * tree-ssa-opfinalize.h: Removed.
15923 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15925 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15926 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15927 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15928 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15929 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15930 finalize_ssa_v_must_def_ops): New.
15932 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15934 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15935 block as parameter.
15937 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15939 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15941 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15942 addresses with offsets; reorganize.
15944 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15945 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15946 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15948 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15951 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15953 2006-03-08 Ben Elliston <bje@au.ibm.com>
15955 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15957 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15960 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15963 2006-03-07 Richard Guenther <rguenther@suse.de>
15965 PR tree-optimization/26587
15966 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15968 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15970 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15972 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15974 * hooks.c (hook_bool_mode_rtx_true): New function.
15975 * hooks.h (hook_bool_mode_rtx_true): Declare.
15976 * toplev.c (compile_file): Call output_shared_constant_pool.
15977 * varasm.c (shared_constant_pool): New variable.
15978 (assemble_start_function, assemble_end_function): Remove arguments
15979 from call to output_constant_pool.
15980 (create_constant_pool): New function, split out from...
15981 (init_varasm_status): ...here.
15982 (force_const_mem): Choose between the shared and per-function constant
15983 pools. Set current_function_uses_const_pool when reusing old entries
15984 as well as when creating new ones.
15985 (mark_constant): Ignore data argument.
15986 (mark_constants): Remove pool argument.
15987 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15988 to decide whether the function uses a constant pool.
15989 (output_constant_pool_contents): New function, split out from...
15990 (output_constant_pool): ...here.
15991 (output_shared_constant_pool): New function.
15992 (init_varasm_once): Initialize shared_constant_pool.
15993 * output.h (output_constant_pool): Delete.
15994 (output_shared_constant_pool): Declare.
15995 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15996 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15998 2006-03-06 Nick Clifton <nickc@redhat.com>
16000 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16001 flag_strength_reduce.
16003 2006-03-06 Ben Elliston <bje@au.ibm.com>
16005 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16006 x86_64-*-linux* configurations.
16008 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16009 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16011 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16013 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16015 * basic-block.h: Remove the extern for
16016 rediscover_loops_after_threading.
16018 * cfgloop.c (cancel_loop): Make it static.
16019 * cfgloop.h: Remove the prototype for cancel_loop.
16021 * flow.c (recompute_reg_usage): Make it static.
16022 * rtl.h: Remove the prototype for recompute_reg_usage.
16024 * function.c (use_return_register): Make it static.
16025 * function.h: Remove the prototype.
16027 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16029 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16031 * recog.h: Remove the prototype for
16032 validate_change_maybe_volatile.
16034 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16036 * rtlanal.c (replace_reg): Remove.
16037 * rtl.h: Remove the prototype for replace_reg.
16039 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16041 * regclass.c (reg_scan_update): Remove.
16042 (reg_scan_mark_refs): Remove the last argument.
16043 * rtl.h: Remove the prototype for reg_scan_update.
16045 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16047 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16048 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16049 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16050 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16051 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16052 loop-invariant.c, omp-low.c, opts.c, passes.c,
16053 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16054 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16055 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16056 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16057 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16058 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16060 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16062 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16063 * dwarf2out.h: Remove the prototype for
16064 dwarf2out_add_library_unit_info.
16066 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16068 * tree.c (add_var_to_bind_expr): Remove.
16069 * tree.h: Remove the prototype for add_var_to_bind_expr.
16071 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16073 * regclass.c (n_non_fixed_regs): Remove.
16074 (init_reg_sets_1, globalize_reg): Remove all uses of
16076 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16078 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16080 * rtlanal.c (insns_safe_to_move_p): Remove.
16081 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16083 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16085 * expmed.c (expand_mult_add): Remove.
16086 * expr.h: Remove the prototype for expand_mult_add.
16088 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16090 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16091 and REG_SAVED_VAL_EXP constants.
16092 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16093 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16094 Handle regs stored by value.
16095 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16096 (execute_cfa_program): Handle DW_CFA_val_offset,
16097 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16098 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16099 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16100 (uw_install_context_1): Handle target regs stored by value.
16102 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16104 * tree-sra.c (tree_sra): Return todoflags;
16105 (generate_one_element): Set TODO_update_smt_usage if needed.
16106 (pass_sra): Remove TODO_update_smt_usage.
16107 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16109 (tree_ssa_forward_propagate_single_use_vars): Return
16110 TODO_update_smt_usage if we need to update SMT usage.
16111 (pass_forwprop): Remove TODO_update_smt_usage.
16113 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16115 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16116 (correct_use_link): Remove reference to get_stmt_operands.
16117 (update_stmt_operands): Likewise.
16118 (get_modify_expr_operands): New function factored out of
16119 parse_ssa_operands and get_expr_operands.
16120 Try to create V_MUST_DEFs for LHS by default.
16121 (get_expr_operands) <case MODIFY_EXPR>: Call
16122 get_modify_expr_operands.
16123 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16124 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16125 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16126 get_modify_expr_operands.
16128 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16130 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16131 * tree-flow.h: Remove the prototype for
16132 referenced_var_lookup_if_exists.
16134 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16136 PR rtl-optimization/26345
16138 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16140 2006-03-03 Roger Sayle <roger@eyesopen.com>
16142 PR tree-optimization/26524
16143 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16144 fold_convert to create a constant of the appropriate type.
16146 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16148 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16149 SYMBOL_REF_IN_BLOCK_P.
16150 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16151 of SYMBOL_FLAG_IN_BLOCK.
16152 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16153 instead of SYMBOL_REF_IN_BLOCK_P.
16154 * explow.c (use_anchored_address): Likewise.
16155 * rtl.c (rtx_size): Likewise.
16156 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16157 instead of SYMBOL_FLAG_IN_BLOCK.
16158 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16159 SYMBOL_REF_IN_BLOCK_P.
16160 (assemble_variable): Likewise.
16161 (output_constant_def_contents): Likewise.
16162 (output_constant_pool): Likewise.
16163 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16164 instead of SYMBOL_FLAG_IN_BLOCK.
16165 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16166 SYMBOL_REF_IN_BLOCK_P.
16167 (SYMBOL_REF_BLOCK): Likewise.
16168 (SYMBOL_REF_OFFSET): Likewise.
16169 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16170 SYMBOL_REF_IN_BLOCK_P.
16171 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16172 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16173 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16174 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16176 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16178 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16180 2006-03-02 Roger Sayle <roger@eyesopen.com>
16182 * simplify-rtx.c (simplify_unary_operation): When simplifying
16183 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16184 that we perform the right shift in the appropriate mode, and
16185 then extend or truncate the result to requested mode.
16187 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16189 * gengtype.c (main): Handle double_int type.
16190 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16191 * double-int.c: New file.
16192 * double-int.h: New file.
16193 * system.h: Include doubleint.h.
16194 * Makefile.in (SYSTEM_H): Include double-int.h.
16195 (double-int.o): Add.
16197 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16200 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16203 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16205 * tree-vrp.c (remove_range_assertions): Do not update statements
16208 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16210 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16212 * gcse.c (rest_of_handle_gcse): Ditto.
16213 * except.c (gate_handle_eh): Ditto.
16214 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16215 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16217 2006-03-02 Eric Christopher <echristo@apple.com>
16219 * config/i386/i386.c (machopic_output_stub): Add indirection to
16222 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16226 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16228 Sun Niagara specific optimizations.
16229 * config.gcc: Recognize niagara as target.
16230 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16231 (TARGET_CPU_niagara): Define.
16232 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16233 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16234 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16235 (ASM_CPU_SPEC): Likewise.
16236 (PROCESSOR_NIAGARA): New enum entry.
16237 (REGISTER_MOVE_COST): Handle Niagara.
16238 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16239 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16240 (sparc_override_options): Recognize "niagara", set appropriate
16241 default MASK_* values for it, and align functions to 32-bytes
16242 by default just like ULTRASPARC/ULTRASPARC3.
16243 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16244 (sparc64_initialize_trampoline): Likewise.
16245 (sparc_use_sched_lookahead): Use zero for niagara.
16246 (sparc_issue_rate): Use one for niagara.
16247 * config/sparc/niagara.md: New file.
16248 * config/sparc/sparc.md: Include it.
16249 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16250 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16251 when default cpu is niagara.
16252 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16253 (ASM_CPU_SPEC): Likewise.
16254 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16255 when default cpu is niagara.
16256 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16257 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16258 just like v9/ultrasparc/ultrasparc3.
16259 * doc/invoke.texi: Add documentation for "niagara" and improve
16260 existing documentation for ultrasparc variants.
16262 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16264 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16266 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16268 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16269 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16270 and say that only one is needed.
16271 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16272 * target.h (have_switchable_bss_sections): New hook.
16273 * explow.c (use_anchored_address): Check that the symbol is in a block.
16274 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16275 (bss_noswitch_section): New variables.
16276 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16277 (get_noswitch_section): New function.
16278 (get_block_for_section): Allow SECT to be null.
16279 (unlikely_text_section_p): Use SECTION_STYLE.
16280 (bss_initializer_p): New function.
16281 (get_variable_section): Move earlier in file. Take a new argument,
16282 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16283 Return one of the new *_sections in such cases.
16284 (get_block_for_decl): New function, extracting some logic from
16285 use_blocks_for_decl_p.
16286 (change_symbol_section): Remove in favor of...
16287 (change_symbol_block): ...this new function.
16288 (use_blocks_for_decl_p): Remove checks now performed by
16289 get_block_for_decl.
16290 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16291 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16292 (emit_local, emit_bss, emit_common): ...these new functions.
16293 Return true if the alignment was honored.
16294 (emit_tls_common): New function.
16295 (asm_emit_uninitialised): Delete.
16296 (assemble_variable_noswitch): New function, split out from...
16297 (assemble_variable): ...here. Don't make decisions about common
16298 variables here. Globalize all public decls that go into non-common
16299 sections. Check whether SYMBOL_REF_BLOCK is null.
16300 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16301 (output_constant_pool): Likewise.
16302 (init_varasm_once): Initialize the new section variables.
16303 (have_global_bss_p): New function.
16304 (categorize_decl_for_section): Use bss_initializer_p.
16305 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16306 (place_block_symbol): Assert that the symbol must be in a block.
16307 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16308 (TARGET_INITIALIZER): Include it.
16309 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16310 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16311 (SECTION_MACH_DEP): Bump by two.
16312 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16313 (unnamed_section): Mention SECTION_UNNAMED in comment.
16314 (named_section): Likewise SECTION_NAMED.
16315 (noswitch_section_callback): New type.
16316 (noswitch_section): New structure.
16317 (section): Add a noswitch_section alternative.
16318 (SECTION_STYLE): New macro.
16319 (tls_comm_section, comm_section, lcomm_section): Declare.
16320 (bss_noswitch_section, have_global_bss_p): Declare.
16321 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16322 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16324 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16325 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16328 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16330 * tree-vrp.c (execute_vrp): Return value.
16331 * regrename.c (rest_of_handle_regrename): Ditto.
16332 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16333 * tree-complex.c (tree_lower_complex): Ditto.
16334 (tree_lower_complex_O0): Ditto.
16335 * tracer.c (rest_of_handle_tracer): Ditto.
16336 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16337 * postreload.c (rest_of_handle_postreload): Ditto.
16338 * tree-tailcall.c (execute_tail_recursion): Ditto.
16339 (execute_tail_calls): Ditto.
16340 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16341 * tree.h (init_function_for_compilation): Ditto.
16342 * ipa-cp.c (ipcp_driver): Ditto.
16343 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16344 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16345 * final.c (compute_alignments): Ditto.
16346 (rest_of_handle_final): Ditto.
16347 (rest_of_handle_shorten_branches): Ditto.
16348 (rest_of_clean_state): Ditto.
16349 * omp-low.c (execute_expand_omp): Ditto.
16350 (execute_lower_omp): Ditto.
16351 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16352 * ipa-reference.c (static_execute): Ditto.
16353 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16354 * reorg.c (rest_of_handle_delay_slots): Ditto.
16355 (rest_of_handle_machine_reorg): Ditto.
16356 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16357 * flow.c (recompute_reg_usage): Ditto.
16358 (rest_of_handle_remove_death_notes): Ditto.
16359 (rest_of_handle_life): Ditto.
16360 (rest_of_handle_flow2): Ditto.
16361 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16362 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16363 (do_ssa_store_ccp): Ditto.
16364 (execute_fold_all_builtins): Ditto.
16365 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16366 * modulo-sched.c (rest_of_handle_sms): Ditto.
16367 * ipa-pure-const.c (static_execute): Ditto.
16368 * cse.c (rest_of_handle_cse): Ditto.
16369 (rest_of_handle_cse2): Ditto.
16370 * web.c (rest_of_handle_web): Ditto.
16371 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16372 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16373 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16374 * tree-nrv.c (tree_nrv): Ditto.
16375 (execute_return_slot_opt): Ditto.
16376 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16377 (create_structure_vars): Ditto.
16378 * loop-init.c (rtl_loop_init): Ditto.
16379 (rtl_loop_done): Ditto.
16380 (rtl_move_loop_invariants): Ditto.
16381 (rtl_unswitch): Ditto.
16382 (rtl_unroll_and_peel_loops): Ditto.
16383 (rtl_doloop): Ditto.
16384 * gimple-low.c (lower_function_body): Ditto.
16385 (mark_used_blocks): Ditto.
16386 * tree-ssa-sink.c (execute_sink_code): Ditto.
16387 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16388 (cgraph_early_inlining): Ditto.
16389 * global.c (rest_of_handle_global_alloc): Ditto.
16390 * jump.c (cleanup_barriers): Ditto.
16391 (purge_line_number_notes): Ditto.
16392 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16393 (rest_of_handle_if_after_reload): Ditto.
16394 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16395 (tree_ssa_loop_im): Ditto.
16396 (tree_ssa_loop_unswitch): Ditto.
16397 (tree_vectorize): Ditto.
16398 (tree_linear_transform): Ditto.
16399 (tree_ssa_loop_ivcanon): Ditto.
16400 (tree_ssa_empty_loop): Ditto.
16401 (tree_ssa_loop_bounds): Ditto.
16402 (tree_complete_unroll): Ditto.
16403 (tree_ssa_loop_prefetch): Ditto.
16404 (tree_ssa_loop_ivopts): Ditto.
16405 (tree_ssa_loop_done): Ditto.
16406 * predict.c (tree_estimate_probability): Ditto.
16407 * recog.c (split_all_insns_noflow): Ditto.
16408 (rest_of_handle_peephole2): Ditto.
16409 (rest_of_handle_split_all_insns): Ditto.
16410 * tree-eh.c (lower_eh_constructs): Ditto.
16411 * regmove.c (rest_of_handle_regmove): Ditto.
16412 (rest_of_handle_stack_adjustments): Ditto.
16413 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16414 * function.c (instantiate_virtual_regs): Ditto.
16415 (init_function_for_compilation): Ditto.
16416 (rest_of_handle_check_leaf_regs): Ditto.
16417 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16418 (rest_of_handle_gcse): Ditto.
16419 * ipa-type-escape.c (type_escape_execute): Ditto.
16420 * alias.c (rest_of_handle_cfg): Ditto.
16421 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16422 * profile.c (rest_of_handle_branch_prob): Ditto.
16423 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16424 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16425 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16426 * tree-dfa.c (find_referenced_vars): Ditto.
16427 * except.c (set_nothrow_function_flags): Ditto.
16428 (convert_to_eh_region_ranges): Ditto.
16429 (rest_of_handle_eh): Ditto.
16430 * emit-rtl.c (unshare_all_rtl): Ditto.
16431 (remove_unnecessary_notes): Ditto.
16432 * except.h (set_nothrow_function_flags): Ditto.
16433 (convert_to_eh_region_ranges): Ditto.
16434 * cfgexpand.c (tree_expand_cfg): Ditto.
16435 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16436 * tree-ssa-pre.c (do_pre): Ditto.
16437 (execute_fre): Ditto.
16438 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16439 (rest_of_handle_jump2): Ditto.
16440 * tree-sra.c (tree_sra): Ditto.
16441 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16442 (execute_mudflap_function_decls): Ditto.
16443 * tree-ssa-copy.c (do_copy_prop): Ditto.
16444 (do_store_copy_prop): Ditto.
16445 * ipa-prop.h (ipcp_driver): Ditto.
16446 * cfglayout.c (insn_locators_initialize): Ditto.
16447 * tree-ssa-forwprop.c
16448 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16449 * cfglayout.h (insn_locators_initialize): Ditto.
16450 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16451 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16452 (execute_late_warn_uninitialized): Ditto.
16453 * rtl.h (cleanup_barriers): Ditto.
16454 (split_all_insns_noflow): Ditto.
16455 (purge_line_number_notes): Ditto.
16456 (unshare_all_rtl): Ditto.
16457 (remove_unnecessary_notes): Ditto.
16458 (recompute_reg_usage): Ditto.
16459 (variable_tracking_main): Ditto.
16460 * integrate.c (emit_initial_value_sets): Ditto.
16461 * integrate.h (emit_initial_value_sets): Ditto.
16462 * tree-optimize.c (execute_free_datastructures): Ditto
16463 (execute_free_cfg_annotations): Ditto.
16464 (execute_fixup_cfg): Ditto.
16465 (execute_cleanup_cfg_pre_ipa): Ditto.
16466 (execute_cleanup_cfg_post_optimizing): Ditto.
16467 (execute_init_datastructures): Ditto.
16468 * tree-object-size.c (compute_object_sizes): Ditto.
16469 * combine.c (rest_of_handle_combine): Ditto.
16470 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16471 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16472 (rest_of_handle_reorder_blocks): Ditto.
16473 (rest_of_handle_partition_blocks): Ditto.
16474 * var-tracking.c (variable_tracking_main): Ditto.
16475 * tree-profile.c (tree_profiling): Ditto.
16476 * tree-vect-generic.c (expand_vector_operations): Ditto.
16477 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16478 * sched-rgn.c (rest_of_handle_sched): Ditto.
16479 (rest_of_handle_sched2): Ditto.
16480 * basic-block.h (free_bb_insn): Ditto.
16481 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16482 * tree-cfg.c (execute_build_cfg): Ditto.
16483 (remove_useless_stmts): Ditto.
16484 (split_critical_edges): Ditto.
16485 (execute_warn_function_return): Ditto.
16486 (execute_warn_function_noreturn): Ditto.
16487 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16488 * cfgrtl.c (free_bb_for_insn): Ditto.
16489 * passes.c (execute_one_pass): Run additional
16490 todos returned by execute function.
16491 * tree-pass.h (struct tree_opt_pass): Make execute
16494 2006-03-02 Richard Guenther <rguenther@suse.de>
16496 * tree-ssa-alias.c (find_used_portions): Consider taking
16497 the address as making the variable not write-only.
16499 2006-03-02 Nick Clifton <nickc@redhat.com>
16501 * config.gcc (default_use_cxa_atexit): Extend the description of
16502 this configure variable. Set its default value to "yes" for
16503 Linux, NetBSD and ELF targets on the assumption that they will
16504 use C libraries with the __cxa_atexit function.
16506 2006-03-02 Ben Elliston <bje@au.ibm.com>
16508 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16509 parameter as unused to suppress a build warning.
16511 2006-03-02 Ben Elliston <bje@au.ibm.com>
16513 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16516 2006-03-01 Roger Sayle <roger@eyesopen.com>
16519 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16520 declared name, the weak reference name, and the typeof name.
16521 (__gthrw): Avoid expanding the declared name suffix.
16522 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16524 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16526 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16528 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16529 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16530 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16531 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16532 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16533 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16534 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16535 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16536 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16537 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16538 (DW_END_default, DW_END_big, DW_END_little): New.
16539 (DW_END_lo_user, DW_END_hi_user): Define.
16540 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16541 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16542 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16545 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16547 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16549 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16551 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16553 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16555 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16556 to 'symbol_mem_tag'.
16558 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16561 2006-03-01 Roger Sayle <roger@eyesopen.com>
16563 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16565 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16568 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16569 MACHO_DYNAMIC_NO_PIC_P.
16570 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16572 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16575 * config/darwin-protos.h (darwin_asm_output_anchor):
16577 * config/darwin-sections.def (cstring_section):
16578 Add SECTION_MERGE to the flags.
16579 (literal4_section): Likewise.
16580 (literal8_section): Likewise.
16581 (objc_selector_refs_section): Likewise.
16582 (objc_cls_refs_section): Likewise.
16583 * config/darwin.c (darwin_asm_output_anchor): New
16585 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16587 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16589 Fix PR tree-optimization/26443
16590 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16591 to todo and PROP_tmt_usage to properties_destroyed.
16592 * tree-ssa-ccp.c (pass_ccp): Ditto.
16593 (pass_store_ccp): Ditto.
16594 * tree-ssa-dom.c (pass_dominator): Ditto.
16596 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16598 * tree-ssa-operands.c: Cleanup whitespace.
16599 (get_asm_expr_operands): Move before first invocation.
16600 (get_indirect_ref_operands): Likewise.
16601 (get_tmr_operands): Likewise.
16602 (get_call_expr_operands): Likewise.
16603 (append_def): Likewise.
16604 (append_use): Likewise.
16605 (append_v_may_def): Likewise.
16606 (append_v_must_def): Likewise.
16607 (add_call_clobber_ops): Likewise.
16608 (add_call_read_ops): Likewise.
16609 (add_stmt_operand): Likewise.
16610 (add_virtual_operand): Likewise.
16611 (build_ssa_operands): Likewise.
16613 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16615 PR middle-end/26022
16617 PR middle-end/24437
16618 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16619 with a call expr to ...
16620 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16622 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16624 * tree-vrp.c (extract_range_from_assert): Remove special
16625 handling for types with super-types.
16627 2006-03-01 Ben Elliston <bje@au.ibm.com>
16629 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16630 and powerpc64-*-linux* configurations.
16631 * config/t-dfprules: New file.
16633 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16634 Compile dfp-bit.c from the source directory using -DWIDTH and
16635 $DFP_CFLAGS to control the compilation of that file, rather than
16636 generating width-specific versions in the build directory.
16637 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16638 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16640 2006-02-28 Zack Weinberg <zackw@panix.com>
16642 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16645 2006-02-28 Eric Christopher <echristo@apple.com>
16647 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16648 Set up IN_LIBGCC definition of TARGET_64BIT.
16649 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16651 2006-02-28 Roger Sayle <roger@eyesopen.com>
16653 PR middle-end/14752
16654 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16655 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16656 cases via the construction of "expr != 0".
16658 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16660 * alias.c (alias_invariant, alias_invariant_size): Remove.
16661 (record_base_value): Remove.
16662 (memrefs_conflict_p): Don't look at alias_invariant.
16663 (end_alias_analysis): Don't free it.
16664 * alias.h (record_base_value): Remove prototype.
16666 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16667 Adam Nemet <anemet@caviumnetworks.com>
16669 * rtl.h (truncated_to_mode): Declare it.
16670 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16671 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16672 (RTL_HOOKS_INITIALIZER): Include it.
16673 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16674 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16675 reg_truncated_to_mode.
16676 * rtlanal.c (truncated_to_mode): Define it.
16677 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16679 2006-02-28 Jeff Law <law@redhat.com>
16681 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16682 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16683 the range allowed by TYPE_PRECISION.
16685 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16687 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16689 PR tree-optimization/26419
16690 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16693 2006-02-27 Zack Weinberg <zackw@panix.com>
16695 * doc/md.texi: Fix typo in previous change.
16697 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16701 2006-02-27 Zack Weinberg <zackw@panix.com>
16703 * rtl.def (define_constraint, define_register_constraint)
16704 (define_memory_constraint, define_address_constraint): New MD forms.
16705 * gensupport.c (process_rtx): Put define_constraint etc on the
16707 * genpreds.c (process_define_predicate): Adjust comment. Validate
16708 the name, and call validate_exp to validate the expression.
16709 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16710 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16711 all callers changed.
16712 (validate_exp, needs_variable, struct constraint_data)
16713 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16714 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16715 (const_dbl_constraints, constraint_max_namelen)
16716 (have_register_constraints, have_memory_constraints)
16717 (have_address_constraints, have_address_constraints)
16718 (have_extra_constraints, have_const_int_constraints)
16719 (have_const_dbl_constraints, mangle, add_constraint)
16720 (process_define_constraint, process_define_register_constraint)
16721 (write_enum_constraint_num, write_lookup_constraint)
16722 (write_insn_constraint_len, write_regclass_for_constraint)
16723 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16724 (write_insn_extra_memory_constraint)
16725 (write_insn_extra_address_constraint)
16726 (write_satisfies_constraint_fns): New.
16727 (write_tm_preds_h): If we have new-style constraint definitions,
16728 prototype the functions generated from them, and define the
16729 old constraint interface (still used by generic code) in terms of
16731 (write_insn_preds_c): If we have new-style constraint definitions,
16732 generate all relevant functions from those definitions.
16733 (main): Handle define_constraint etc.
16734 * genoutput.c (struct constraint_data, indep_constraints)
16735 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16736 (mdep_constraint_len): New data structures and functions, defined
16737 #ifdef USE_MD_CONSTRAINTS.
16738 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16739 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16740 use new logic to validate operand constraints against constraint
16742 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16744 * defaults.h: If none of the old-style constraint macros are
16745 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16746 old-style macros; and poison REG_CLASS_FROM_LETTER,
16747 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16749 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16750 * doc/md.texi: Document new constraint-definition mechanism and the
16751 C interface it provides. Remove references to old mechanism
16752 elsewhere in the document.
16753 (Machine Constraints): Use pathnames relative to gcc directory,
16754 i.e. config/ARCH/FILE. Change i386 section to refer to
16755 config/i386/predicates.md; update that section to match docstrings.
16756 * doc/tm.texi: Move all documentation of the old constraint-
16757 definition macros to their own section, clearly mark as obsolete.
16759 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16760 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16762 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16763 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16764 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16765 constraint strings.
16766 (splits and peepholes): Use satisfies_constraint_*.
16767 * config/i386/i386.c (memory_address_length)
16768 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16770 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16772 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16773 scalar operation to be put back into the loop.
16775 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16778 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16779 (extract_cie_info): Handle S flag in augmentation string.
16780 (execute_cfa_program): If context->signal_frame, execute also
16781 fs->pc == context->ra instructions.
16782 (uw_frame_state_for): If context->signal_frame, don't subtract one
16783 from context->ra to find FDE.
16784 (uw_update_context_1): Set context->signal_frame to
16786 (_Unwind_GetIPInfo): New function.
16787 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16788 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16790 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16791 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16792 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16793 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16794 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16795 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16796 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16797 x86_64_fallback_frame_state): Set fs->signal_frame.
16798 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16799 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16800 (frob_update_context): Likewise. Workaround missing S flag in
16801 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16802 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16803 Remove the psw_addr + 1 hack.
16805 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16807 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16808 with aggregates here.
16809 (find_func_aliases): Remove code for &<aggregate> from here.
16811 2006-02-26 Roger Sayle <roger@eyesopen.com>
16813 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16814 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16815 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16816 as (X & C) ne/eq 0.
16818 2006-02-26 Roger Sayle <roger@eyesopen.com>
16820 PR middle-end/19983
16821 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16823 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16825 * opts.c (decode_options): Do not handle flag_strength_reduce.
16826 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16827 and OPT_fstrength_reduce.
16828 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16829 flag_prefetch_loop_arrays for being nonzero.
16830 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16832 (fprefetch-loop-arrays-rtl): Removed.
16833 (flag_prefetch_loop_arrays): Do not specify the value.
16835 * doc/passes.texi: Update documentation of loop optimizer
16837 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16838 -frerun-loop-opt): Remove.
16840 2006-02-26 Richard Guenther <rguenther@suse.de>
16842 PR tree-optimization/26421
16843 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16844 in function calls that are ADDR_EXPRs as using the whole structure.
16846 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16848 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16849 * tree-pass.h (pass_loop_optimize): Remove.
16850 * passes.c (pass_loop_optimize): Never run it.
16851 * toplev.c (backend_init): Don't call init_loop.
16852 * opts.c (flag_loop_optimize_set): Remove.
16853 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16854 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16855 the old RTL loop optimizer when profiling enabled.
16856 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16857 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16858 pre-headers for the sake of the old RTL loop optimizer.
16859 * Makefile.in: Remove all references to loop.o.
16861 * doc/invoke.texi: Remove all references to -floop-optimize
16862 and -frerun-loop-opt.
16864 2006-02-26 Zack Weinberg <zackw@panix.com>
16866 * doc/md.texi (Machine Constraints): Refer to all files with paths
16867 relative to gcc directory (i.e. config/CPU/file). Add missing
16868 @table @code ... @end table to M32C subsection.
16870 2006-02-26 Roger Sayle <roger@eyesopen.com>
16872 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16874 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16876 2006-02-26 Roger Sayle <roger@eyesopen.com>
16877 James A. Morrison <phython@gcc.gnu.org>
16879 PR middle-end/21137
16880 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16881 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16882 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16883 signedness of the shift operation.
16885 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16887 PR tree-optimization/26359
16888 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16890 2006-02-25 Roger Sayle <roger@eyesopen.com>
16892 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16893 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16894 as X == 0, and some symmetry related transformations.
16895 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16897 2006-02-25 Roger Sayle <roger@eyesopen.com>
16899 PR middle-end/23673
16900 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16901 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16902 symmetry related transformations. Fold (X^C1) == C2 as
16905 2006-02-25 Juergen Weigert <jw@suse.de>
16906 Richard Guenther <rguenther@suse.de>
16908 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16910 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16912 * combine.c (gen_lowpart_or_truncate): Call
16913 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16915 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16917 * doc/invoke.texi: Move -fopenmp description to "Options for
16919 Remove reference to -lgomp.
16921 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16923 * doc/install.texi: Require GNU tar version 1.14.
16925 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16927 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16928 * doc/invoke.texi (C++ Dialect Options): Document
16929 -fno-use-cxa-get-exception-ptr.
16930 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16931 * configure: Regenerate.
16932 * c.opt (fuse-cxa-get-exception-ptr): New.
16933 * c-opts.c (c_common_handle_option): Handle
16934 OPT_fuse_cxa_get_exception_ptr.
16935 * c-common.c (flag_use_cxa_atexit): Update documentation.
16936 (flag_use_cxa_get_exception_ptr): New.
16937 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16938 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16940 (C_COMMON_OVERRIDE_OPTIONS): New.
16942 2006-02-24 Roger Sayle <roger@eyesopen.com>
16944 PR middle-end/24952
16945 * combine.c (try_combine): Explicitly check whether GET_CODE is
16946 a SET or a CLOBBER, instead on checking that it isn't a USE.
16948 2006-02-24 Roger Sayle <roger@eyesopen.com>
16950 * fold-const.c (fold_comparison): New subroutine of fold_binary
16951 containing transformations common to both the equality and
16952 ordering relational operators, factored out of fold_binary.
16953 (fold_binary): Separate out the equality operators (EQ_EXPR
16954 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16955 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16956 transformations common to both.
16957 (fold_div_compare): Fix latent bugs in the previously unreachable
16958 LT_EXPR and GE_EXPR cases.
16960 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16962 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16963 decl libname for clog to __clog on AIX.
16965 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16967 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16970 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16971 output traceback table for thunks. Localise rs6000_stack_info call.
16973 2006-02-23 Roger Sayle <roger@eyesopen.com>
16974 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16976 * gthr-posix.h (__gthrw): Fix typo in comment.
16978 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16980 * doc/cpp.texi (Character sets): Document that we do support
16981 input files to be in any character set.
16983 2006-02-23 Jeff Law <law@redhat.com>
16985 * tree.h (PHI_ARG_NONZERO): Remove.
16986 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16987 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16988 node to the new node.
16990 PR tree-optimization/26425
16991 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16992 min/max, then assume its varying.
16994 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16996 PR rtl-optimization/26316
16997 * rtlanal.c (enum may_trap_p_flags): New.
16998 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16999 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17000 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17001 (may_trap_after_code_motion_p): New function.
17002 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17003 (find_invariant_insn): Use may_trap_after_code_motion_p.
17004 * rtl.h (may_trap_after_code_motion_p): Declare.
17006 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17008 * emit-rtl.c (immed_double_const): Cleanup.
17010 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17012 Fix PR tree-optimization/26376
17013 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17016 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17018 PR middle-end/26412
17019 * gimplify.c (omp_add_variable): Guard variable size decl test with
17020 DECL_SIZE (decl) check.
17022 2006-02-23 Richard Guenther <rguenther@suse.de>
17024 PR middle-end/26439
17025 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17026 like aggregate types.
17028 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17030 * configure.ac: Add --with{,out}-long-double-128 configure option.
17031 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17032 * configure: Rebuilt.
17033 * config.in: Rebuilt.
17034 * doc/install.texi (Options specification): Document
17035 --with-long-double-128.
17037 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17038 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17039 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17040 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17042 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17044 * config/s390/s390.c (override_options): Handle
17045 TARGET_DEFAULT_LONG_DOUBLE_128.
17047 * config/alpha/alpha.c (override_options): Handle
17048 TARGET_DEFAULT_LONG_DOUBLE_128.
17050 * config/sparc/sparc.c (sparc_override_options): Handle
17051 TARGET_DEFAULT_LONG_DOUBLE_128.
17053 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17055 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17056 (real-install-headers-tar, real-install-headers-cpio)
17057 (real-install-headers-cp): New targets.
17059 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17061 * tree.h (variable_section): Delete.
17062 * varasm.c (variable_section): Delete.
17064 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17066 * install.texi: Add notes on install.texi2html.
17067 (Building in parallel): Do not use footnotes.
17069 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17072 * doc/install.texi (Configuration): Document --disable-libgomp.
17074 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17076 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17078 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17080 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17081 (vec_extractv2df_0_sse): New.
17083 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17085 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17086 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17087 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17088 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17089 to the result of the expression.
17090 (def_cfa_1): Adjust.
17091 (frame_pointer_cfa_offset): Rename to...
17092 (frame_pointer_fb_offset): ... this. Adjust all uses.
17093 (convert_cfa_to_loc_list): Rename to...
17094 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17095 Pass it on to build_cfa_loc.
17096 (compute_frame_pointer_to_cfa_displacement): Rename to...
17097 (compute_frame_pointer_to_fb_displacement): ... this. New
17098 offset parameter. Use it in computation.
17099 (gen_subprogram_die): Compute cfa_fb_offset with the new
17100 macro, and use it to compute the fb loc list and the
17103 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17105 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17106 replaced with register_operand.
17107 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17108 non-DREG is expensive.
17109 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17110 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17113 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17115 * doc/install.texi2html: Use set -e.
17117 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17119 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17120 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17121 * doc/invoke.texi (-fshared-data): Delete.
17122 * common.opt (fshared-data): Delete.
17123 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17124 (assemble_static_space): Remove #if 0 code.
17125 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17126 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17127 * config/cris/cris.h: Remove FIXME.
17129 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17131 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17134 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17136 PR middle-end/26379
17137 * combine.c (simplify_shift_const_1): Disable nested shifts
17138 optimization for vector shifts.
17140 2006-02-20 Roger Sayle <roger@eyesopen.com>
17142 PR tree-optimization/26361
17143 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17144 of unsigned integer types.
17146 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17148 * tree-chrec.c (eq_evolutions_p): New.
17149 * tree-chrec.h (eq_evolutions_p): Declared.
17150 * tree-data-ref.c: Fix formatting.
17151 (datadep_stats, dependence_stats): New.
17153 (print_direction_vector): New.
17154 (dump_data_dependence_relation): Use print_direction_vector.
17155 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17156 (compute_subscript_distance): Static.
17157 (initialize_data_dependence_relation): Static. Get the number
17158 of loops surrounding the references from the callers, and initialize
17159 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17160 base_object_differ_p analyzers.
17161 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17162 compute_overlap_steps_for_affine_1_2,
17163 analyze_subscript_affine_affine): Count the classified dependences.
17164 Print a message when a test failed.
17165 (can_use_analyze_subscript_affine_affine): New.
17166 (analyze_siv_subscript): Compute the data dependences on symbolic
17167 scevs that verify can_use_analyze_subscript_affine_affine.
17168 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17169 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17170 Handle symbolic scevs.
17171 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17173 (subscript_dependence_tester): Moved...
17174 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17175 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17176 DDR_SIZE_VECT instead of getting it in parameter.
17177 (subscript_dependence_tester): ... here. Take as a parameter
17178 loop_nest_depth. Call build_classic_dist_vector and
17179 build_classic_dir_vector.
17180 (compute_affine_dependence): Update subscript_dependence_tester
17181 parameters. Update datadep_stats counters. Call
17182 compute_subscript_distance.
17183 (compute_self_dependence): Save the dist and dir vectors. Call
17184 compute_subscript_distance.
17185 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17186 (compute_all_dependences): Reorder parameters as they were before
17187 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17188 compute_subscript_distance. Update the use of
17189 compute_affine_dependence and initialize_data_dependence_relation.
17190 (find_data_references_in_loop): Handle COMPONENT_REF.
17191 (compute_data_dependences_for_loop): Initialize dependence_stats.
17192 Don't call build_classic_dist_vector and build_classic_dir_vector.
17193 Update the parameters of initialize_data_dependence_relation and
17194 compute_all_dependences. Print the statistics from datadep_stats.
17195 (analyze_all_data_dependences): Static. Not used until the pass for
17196 checking the data dependences is contributed.
17197 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17198 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17199 (initialize_data_dependence_relation, compute_affine_dependence,
17200 analyze_all_data_dependences, compute_subscript_distance): Removed.
17201 (print_direction_vector): New.
17202 * lambda.h (gcd): ... here.
17203 (lambda_vector_gcd): Moved here from gcd_vector.
17204 * lambda-code.c (gcd, gcd_vector): Removed.
17205 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17206 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17208 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17210 * ipa-type-escape.c: Tidy some comments and white space.
17211 * tree-ssa-operands.c: Likewise.
17213 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17216 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17217 (dump_decl_name): Do not walk the decl tree chains.
17218 * tree-pass.h (TDF_CHAIN): Remove.
17220 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17222 * Makefile.in (C): Remove
17224 (.PHONY): Remove C and PROTO
17226 2006-02-20 Roger Sayle <roger@eyesopen.com>
17228 PR middle-end/26236
17229 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17230 deprecated CHAR_TYPE tree code.
17232 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17234 * configure.ac (target_list): Add install-info, dvi, html.
17235 * configure: Regenerate.
17237 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17238 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17239 treelang/Make-lang.in: Do not use double-colon rules.
17241 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17243 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17244 (TMT_USED_ALONE): New macro.
17245 * tree-pass.h (PROP_tmt_usage): New property.
17246 (TODO_update_tmt_usage): New todo.
17247 * tree-ssa-alias.c (updating_used_alone): New variable.
17248 (recalculate_used_alone): New function.
17249 (compute_may_aliases): Set updating_used_alone, call
17250 recalculate_used_alone.
17251 * tree-sra.c (pass_sra): Note that this pass destroys
17252 PROP_tmt_usage, and add TODO_update_tmt_usage.
17253 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17254 * tree-flow.h (updating_used_alone): Prototype.
17255 (recalculate_used_alone): Ditto.
17256 * passes.c (execute_todo): Add code to set updating_used_alone,
17257 and call recalculate.
17258 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17259 for clobber if used alone, and add assert to verify used_alone
17262 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17264 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17265 for non tls symbols added.
17266 (legitimize_address): Do nothing for PLUS expressions if one of the
17267 addends is a tls symbol reference.
17269 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17273 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17275 * Makefile.in (BOOTSTRAPPING): New.
17276 (quickstrap): New definition if BOOTSTRAPPING=yes.
17278 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17279 * configure.ac: Substitute all_selected_languages with the languages
17280 that were configured. For all the other variables except
17281 lang_specs_files, include all the languages in the tree.
17282 * configure: Regenerate.
17284 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17285 if there is one. Run the commands to run fixincludes in the same
17288 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17289 * doc/install.texi: Document exact conventions for searching target tools.
17290 Document --with-build-time-tools. Document toplevel bootstrap. Document
17291 something more about building an Ada cross-compiler. Don't list GNU Make
17292 requirements which affect all platforms.
17294 2006-02-19 Roger Sayle <roger@eyesopen.com>
17296 PR middle-end/19543
17297 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17298 only equivalent if the have both the same mode and precision.
17300 2006-02-20 Ben Elliston <bje@au.ibm.com>
17302 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17304 2006-02-19 Roger Sayle <roger@eyesopen.com>
17305 Steven Bosscher <stevenb.gcc@gmail.com>
17307 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17308 constant pool references to identify stack mode constants.
17309 * rtlanal.c (constant_pool_constant_p): New predicate to check
17310 whether operand is a floating point constant in the pool.
17311 * rtl.h (constant_pool_constant_p): Prototype here.
17312 * loop.c (scan_loop): Avoid hoisting constants from the constant
17313 pool on STACK_REGS targets.
17314 (load_mems): Likewise.
17315 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17316 loads into x87 registers expensive in terms of register pressure.
17318 2006-02-19 Roger Sayle <roger@eyesopen.com>
17320 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17321 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17323 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17325 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17326 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17328 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17330 * doc/invoke.texi: Document -fipa-pta.
17331 * common.opt: Add ipa-pta option.
17332 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17333 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17334 (do_ds_constraint): Ditto.
17335 (get_constraint_for): Only add to referenced_vars if
17336 referenced_vars exists.
17337 (insert_into_field_list): Rewrite to do this unsorted.
17338 (insert_into_field_list_sorted): Rename old insert_into_field_list
17340 (create_function_info_for): Use insert_into_field_list_sorted.
17341 (create_variable_info_for): Rewrite so it uses unsorted version,
17342 since the field list is sorted.
17343 (intra_create_variable_infos): Only add to referenced_vars if
17344 referenced_vars exists.
17345 (ipa_pta_execute): Init heapvars, and delete when done.
17346 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17348 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17350 * doc/install.texi: Add missing `@samp'.
17352 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17354 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17357 2006-02-18 Mark Wielaard <mark@klomp.org>
17359 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17360 who added new 4.1 features, bug fixes and integration support.
17362 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17365 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17366 MEM for ABI_V4 pic.
17368 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17370 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17371 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17372 (copy_insn_1): Likewise. Don't copy each field individually.
17374 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17376 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17377 * rtl.c (rtx_size): Rename variable to...
17378 (rtx_code_size): ...this.
17379 (rtx_size): New function.
17380 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17381 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17383 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17384 * rtl.h (rtx_code_size): New variable.
17385 (rtx_size): Change from a variable to a function.
17386 (RTX_SIZE): Rename to...
17387 (RTX_CODE_SIZE): ...this.
17390 PR tree-optimization/17106
17391 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17392 (Anchored Addresses): New section.
17393 * doc/invoke.texi (-fsection-anchors): Document.
17394 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17395 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17396 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17397 * hooks.c (hook_bool_mode_rtx_false): New function.
17398 * hooks.h (hook_bool_mode_rtx_false): Declare.
17399 * gengtype.c (create_optional_field): New function.
17400 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17401 SYMBOL_REF_IN_BLOCK_P is true.
17402 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17403 (min_anchor_offset, max_anchor_offset): Likewise.
17404 (use_anchors_for_symbol_p): New hook.
17405 * toplev.c (compile_file): Call output_object_blocks.
17406 (target_supports_section_anchors_p): New function.
17407 (process_options): Check that -fsection-anchors is only used on
17408 targets that support it and when -funit-at-a-time is in effect.
17409 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17410 if the decl doesn't have one.
17411 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17412 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17413 of force_const_mem through use_anchored_address.
17414 (expand_expr_constant): New function.
17415 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17416 calling expand_expr for INDIRECT_REF.
17417 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17418 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17419 * expr.h (use_anchored_address): Declare.
17420 * loop-unroll.c: Don't declare rtx vectors here.
17421 * explow.c: Include output.h.
17422 (validize_mem): Call use_anchored_address.
17423 (use_anchored_address): New function.
17424 * common.opt (-fsection-anchors): New switch.
17425 * varasm.c (object_block_htab, anchor_labelno): New variables.
17426 (hash_section, object_block_entry_eq, object_block_entry_hash)
17427 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17428 (use_blocks_for_decl_p, change_symbol_section): New functions.
17429 (get_variable_section): New function, split out from assemble_variable.
17430 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17431 use_blocks_for_decl_p say so. Use change_symbol_section if the
17432 symbol has already been created.
17433 (assemble_variable_contents): New function, split out from...
17434 (assemble_variable): ...here. Don't output any code for
17435 block symbols; just pass them to place_block_symbol.
17436 Use get_variable_section and assemble_variable_contents.
17437 (get_constant_alignment, get_constant_section, get_constant_size): New
17438 functions, split from output_constant_def_contents.
17439 (build_constant_desc): Create a block symbol if use_object_blocks_p
17440 says so. Or into SYMBOL_REF_FLAGS.
17441 (assemble_constant_contents): New function, split from...
17442 (output_constant_def_contents): ...here. Don't output any code
17443 for block symbols; just pass them to place_section_symbol.
17444 Use get_constant_section and get_constant_alignment.
17445 (force_const_mem): Create a block symbol if use_object_blocks_p and
17446 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17447 (output_constant_pool_1): Add an explicit alignment argument.
17448 Don't switch sections here.
17449 (output_constant_pool): Adjust call to output_constant_pool_1.
17450 Switch sections here instead. Don't output anything for block symbols;
17451 just pass them to place_block_symbol.
17452 (init_varasm_once): Initialize object_block_htab.
17453 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17454 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17455 (place_block_symbol, get_section_anchor, output_object_block)
17456 (output_object_block_htab, output_object_blocks): New functions.
17457 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17458 (TARGET_ASM_OUT): Include it.
17459 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17460 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17461 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17462 (TARGET_INITIALIZER): Include them.
17463 * rtl.c (rtl_check_failed_block_symbol): New function.
17464 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17465 (block_symbol, object_block): New structures.
17466 (rtx_def): Add a block_symbol field to the union.
17467 (BLOCK_SYMBOL_CHECK): New macro.
17468 (rtl_check_failed_block_symbol): Declare.
17469 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17470 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17471 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17472 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17473 * output.h (output_section_symbols): Declare.
17474 (object_block): Name structure.
17475 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17476 (default_use_anchors_for_symbol_p): Declare.
17477 * Makefile.in (RTL_BASE_H): Add vec.h.
17478 (explow.o): Depend on output.h.
17479 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17480 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17481 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17482 (rs6000_use_blocks_for_constant_p): New function.
17484 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17486 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17488 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17491 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17494 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17496 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17500 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17502 PR middle-end/26334
17503 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17504 instead of DECL_REGISTER.
17506 2006-02-18 Olivier Hainque <hainque@adacore.com>
17509 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17511 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17514 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17515 * opth-gen.awk: Handle Var and InverseMask together.
17516 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17517 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17518 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17519 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17521 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17522 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17523 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17524 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17525 LINUX_DYNAMIC_LINKER): Define.
17526 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17527 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17529 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17530 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17531 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17532 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17533 (TARGET_C99_FUNCTIONS): Don't define.
17534 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17535 GLIBC_DYNAMIC_LINKER.
17536 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17537 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17538 GLIBC_DYNAMIC_LINKER64): Define.
17539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17540 LINUX_DYNAMIC_LINKER64.
17541 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17543 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17545 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17547 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17548 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17549 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17551 and LINUX_DYNAMIC_LINKER32.
17552 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17554 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17556 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17558 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17559 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17560 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17561 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17562 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17563 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17564 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17565 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17566 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17567 LINUX_DYNAMIC_LINKER): Define.
17568 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17569 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17570 GLIBC_DYNAMIC_LINKER64): Define.
17571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17572 LINUX_DYNAMIC_LINKER64.
17573 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17574 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17575 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17576 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17577 LINUX_DYNAMIC_LINKER): Define.
17578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17579 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17580 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17581 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17582 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17583 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17584 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17585 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17586 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17587 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17589 * doc/invoke.texi (-muclibc): Remove caveat about supported
17592 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17594 * doc/cpp.texi (__TIMESTAMP__): Document.
17596 2006-02-17 Roger Sayle <roger@eyesopen.com>
17598 PR middle-end/25600
17599 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17600 C is one less than the width of X (and related transformations).
17601 * simplify-rtx.c (simplify_unary_operation_1): Transform
17602 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17603 depending on STORE_FLAG_VALUE, were C is one less then the
17606 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17608 Fix PR tree-optimization/26341
17609 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17610 about NAME_MEMORY_TAG's.
17612 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17615 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17616 with hardware float support, and software float support. Add fcpy
17617 alternative to hardware patterns. Add alternatives to copy between
17618 general and floating-point registers to the 32-bit pattern.
17619 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17620 secondary reload to load a QI or HI mode constant into a floating
17622 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17623 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17625 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17628 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17630 (load_macho_picbase_di): Likewise.
17632 2006-02-16 Jeff Law <law@redhat.com>
17634 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17635 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17636 (ssa_name_nonzero_p): Likewise.
17637 (get_value_range): Return NULL if VRP is not running.
17638 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17639 VRP routines do not discover a range.
17640 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17641 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17642 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17643 (tree_expr_nonnegative_p): Similarly.
17644 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17645 (restore_nonzero_vars_to_original_value): Remove.
17646 (unsafe_associative_fp_binop): Remove.
17647 (tree_ssa_dominator_optimize): Remove initialization and
17648 finalization of nonzero_vars and nonzero_vars_stack.
17649 (dom_opt_initialize_block): No longer push marker on
17650 nonzero_vars_stack.
17651 (dom_opt_finalize_block): No longer call
17652 restore_nonzero_vars_to_original_value.
17653 (record_equivalences_from_phis): No longer look for
17654 nonzero PHI arguments.
17655 (cprop_into_successor_phis): No longer propagate nonzero
17656 property into PHI arguments. Lose unused argument. Caller
17658 (record_equivalences_from_stmt): No longer record nonzero
17659 values for SSA_NAMEs.
17660 (lookup_avail_expr): No longer use nonzero_vars.
17662 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17663 for sizetype when sizetype is unsigned.
17665 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17667 PR rtl-optimization/25603
17668 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17669 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17670 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17671 with new meaning of SETS.
17673 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17678 * config/linux.opt: New file.
17679 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17680 LINUX_DYNAMIC_LINKER): Define.
17681 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17682 * config.gcc (*-*-linux*): Define extra_options.
17683 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17684 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17685 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17686 GLIBC_DYNAMIC_LINKER.
17687 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17688 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17689 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17691 * doc/invoke.texi (GNU/Linux Options): New section.
17693 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17695 * config/sparc/sparc.md (setjmp): Rewrite.
17696 (setjmp_32): Delete.
17697 (setjmp_64): Likewise.
17699 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17701 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17704 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17706 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17709 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17711 PR rtl-optimization/26296
17712 * Makefile.in (loop-invariant.c): Add except.h dependency.
17713 * loop-invariant.c: Include except.h.
17714 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17716 2005-02-16 Paul Brook <paul@codesourcery.com>
17718 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17721 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17723 PR rtl-optimization/25636
17724 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17725 when deciding whether an insn is an initializing insn.
17727 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17729 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17730 (tree_code_size): Ditto.
17731 * tree.h (struct tree_memory_tag): Remove parent_var.
17732 (struct tree_struct_field_tag): New.
17735 (union tree_node): Add sft member.
17736 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17738 (create_sft): Add size and offset argument, set SFT_OFFSET and
17740 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17741 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17742 * tree-flow-inline.h (get_subvar_at): Update for
17743 SFT_OFFSET/SFT_SIZE.
17744 (var_can_have_subvars): Ditto.
17745 (overlap_subvar): Ditto.
17746 * print-tree.c (print_node): Print out interesting things for
17748 * tree-flow.h (struct subvar): Remove offset and size members.
17749 * tree-ssa-operands.c (get_expr_operands): Update for
17750 get_indirect_ref_operands changes.
17751 (get_indirect_ref_operands): Call add_virtual_operand instead of
17752 add_stmt_operand. Only recurse on base var if requested.
17753 (access_can_touch_variable): New function.
17754 (add_stmt_operand): Split virtual operand handling into ...
17755 (add_virtual_operand): Here. Add offset, size, and for_clobber
17756 arguments. Prune alias sets.
17757 (add_call_clobber_ops): Call add_virtual_operand.
17759 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17761 PR middle-end/26300
17762 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17764 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17765 than TREE_CODE as index into omp_clause_num_ops array.
17767 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17769 PR rtl-optimization/26184
17770 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17772 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17773 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17774 must_precede, must_follow and tobe_scheduled.
17777 * opts.c (common_handle_option): Free new_option pointer.
17778 * df-core.c (df_analyze): Free postorder pointer.
17780 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17782 * Makefile.in: Fix the examples about the use of stamps
17784 2006-02-15 Michael Matz <matz@suse.de>
17786 PR middle-end/22275
17788 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17789 influenced by maximum_field_alignment or DECL_PACKED.
17790 (update_alignment_for_field): Ditto.
17791 (place_field): Ditto.
17792 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17795 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17797 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17798 (debug_flow_info): Pass it.
17799 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17800 * bb-reorder.c (reorder_basic_blocks): Likewise.
17801 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17802 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17803 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17804 * gcse.c (gcse_main, bypass_jumps): Likewise.
17805 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17806 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17807 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17808 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17809 * rtl.h (dump_flow_info): Adjust prototype.
17810 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17811 * var-tracking.c (variable_tracking_main): Likewise.
17812 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17813 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17816 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17818 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17821 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17823 PR tree-optimization/26209
17824 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17825 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17827 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17829 2006-02-14 Roger Sayle <roger@eyesopen.com>
17831 PR middle-end/23670
17832 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17833 (X,Y) and the corresponding symmetry related transformations.
17834 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17835 (X,Y) and its symmetry related transformations.
17837 2006-02-14 Roger Sayle <roger@eyesopen.com>
17839 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17842 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17844 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17846 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17849 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17850 support COMDAT group.
17851 * configure: Regenerate.
17853 2006-02-14 Roger Sayle <roger@eyesopen.com>
17855 PR middle-end/26279
17856 PR middle-end/26280
17857 PR middle-end/26283
17858 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17860 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17862 Fix PR tree-optimization/26260
17864 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17866 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17867 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17868 * tree-ssa-structalias.c (create_variable_info_for): Use
17869 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17871 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17873 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17875 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17876 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17877 of the ending condition.
17878 * tree-ssa-loop-manip.c: Include params.h.
17879 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17880 tree_unroll_loop): New functions.
17881 * tree-pass.h (pass_loop_prefetch): Declare.
17882 * loop.c (rest_of_handle_loop_optimize): Test for
17883 -fprefetch-loop-arrays-rtl.
17884 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17885 * timevar.def (TV_TREE_PREFETCH): New timevar.
17886 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17887 pass_loop_prefetch): New.
17888 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17889 (cleanup_tree_cfg_loop): Call scev_reset.
17890 * common.opt (fprefetch-loop-arrays-rtl): Add.
17891 * tree-ssa-loop-prefetch.c: New file.
17892 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17893 (new_temp_expr_table): Initialize expr_vars.
17894 (free_temp_expr_table): Cleanup expr_vars.
17895 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17896 expressions from being merged into one.
17897 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17898 (struct tree_niter_desc): Add control, bound and cmp fields.
17899 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17901 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17902 (tree-cfgcleanup.o): Add SCEV_H dependency.
17903 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17904 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17906 2006-02-14 Richard Guenther <rguenther@suse.de>
17908 PR tree-optimization/26258
17909 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17910 in PHI argument processing.
17912 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17914 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17915 new expression in the requested machine mode.
17917 2006-02-13 Roger Sayle <roger@eyesopen.com>
17919 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17920 directly, instead let do_compare_rtx_and_jump handle this for us.
17921 * expr.c (expand_expr_real_1): Likewise.
17922 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17923 before do_jump_by_parts_greater.
17924 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17925 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17927 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17929 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17931 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17933 PR rtl-optimization/26235
17934 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17935 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17938 2006-02-13 Jeff Law <law@redhat.com>
17940 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17943 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17945 PR middle-end/26092
17946 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17947 twice if decl is a builtin. When trying again, call get_callee_fndecl
17948 first to verify it is still a builtin.
17950 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17952 * dwarf2out.c (base_type_die): Don't add AT_name here.
17953 (subrange_type_die): Don't add AT_name here.
17954 (modified_type_die): Rearrange code flow. Do add AT_name here.
17956 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17958 PR rtl-optimization/26247
17959 PR rtl-optimization/26248
17960 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17962 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17964 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17965 * config/fixtfdi.c: Likewise.
17966 * config/fixunstfdi.c: Likewise.
17967 * config/floatditf.c: Likewise.
17969 2006-02-13 Roger Sayle <roger@eyesopen.com>
17971 PR middle-end/24427
17972 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17973 into (X,C2) if C1 is a subset of the bits of C2. Transform
17974 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17976 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17978 2006-02-13 Josh Conner <jconner@apple.com>
17981 * varasm.c (function_section): Check for section name before
17982 calling select_section on targets that define
17983 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17984 unlikely_text_section instead of hot_function_section if
17985 first_function_block_is_cold.
17987 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17989 PR middle-end/25335
17990 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17992 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17994 PR rtl-optimization/26222
17995 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17996 after tree->rtl expansion.
17997 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17998 before passing it to emit_move_insn.
18000 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18002 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18004 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18005 Clarify documentation.
18006 * c-common.h (warn_write_strings): Remove.
18007 * c-common.c (warn_write_strings): Likewise.
18008 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18011 2006-02-12 Roger Sayle <roger@eyesopen.com>
18013 PR middle-end/25724
18014 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18015 (do_jump_parts_zero_rtx): New function renamed from
18016 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18017 (do_jump_parts_equality_rtx): New function split out from
18018 do_jump_parts_equality. Old implementation renamed as above.
18019 Call do_jump_parts_zero_rtx if either operand is zero.
18020 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18021 do all of the heavy lifting.
18022 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18023 calling either do_jump_by_parts_greater_rtx or
18024 do_jump_by_parts_equality_rtx.
18025 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18026 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18027 moved to do_compare_rtx_and_jump, call it directly.
18028 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18029 mode argument. Call do_compare_rtx_and_jump.
18030 (emit_case_nodes): Update calls to do_jump_if_equal.
18032 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18034 PR rtl-optimization/26225
18035 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18037 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18039 PR rtl-optimization/26232
18040 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18042 2006-02-11 Jason Merrill <jason@redhat.com>
18045 * tree-inline.c (declare_return_variable): Just don't use the
18046 modify target if it's a gimple complex reg and the return slot
18049 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18051 * doc/contrib.texi: Update my entry.
18053 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18055 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18057 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18059 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18062 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18064 * doc/invoke.texi (-floop-optimize2): Removed.
18065 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18066 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18067 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18068 * common.opt (floop-optimize2): Removed.
18069 (fmove-loop-invariants): Enabled by default.
18071 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18073 * tree-if-conv.c (combine_blocks): Free the result of
18074 get_loop_exit_edges.
18076 2006-02-10 Jeff Law <law@redhat.com>
18078 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18080 PR tree-optimization/26213
18081 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18082 loop trying to follow SSA_NAME_VALUE chains.
18084 2006-02-10 Richard Guenther <rguenther@suse.de>
18086 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18087 deal with structures that end in implicitly variable sized arrays.
18089 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18091 PR rtl-optimization/24762
18092 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18095 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18097 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18098 (struct ivopts_data): Add regs_used field.
18099 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18100 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18101 instead of loop_data->regs_used;
18102 (free_loop_data): Do not free aux fields for loops.
18103 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18104 and tree_ssa_iv_optimize_finalize.
18106 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18108 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18110 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18113 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18114 computing the effective result type.
18116 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18118 PR inline-asm/16194
18119 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18120 (tree_overlaps_hard_reg_set): Declare.
18121 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18122 type and signature to match function type expected by walk_tree.
18123 (tree_overlaps_hard_reg_set): New function.
18124 (decl_conflicts_with_clobbers_p): Rename to:
18125 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18126 Use tree_overlaps_hard_reg_set. Changed caller.
18127 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18128 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18129 * cris.c (cris_md_asm_clobbers): Likewise.
18131 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18133 * reload1.c (emit_input_reload_insns): Delete code that tries to
18134 inherit using find_equiv_reg.
18136 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18138 * c-common.h (flag_const_strings): Don't declare.
18139 * c-common.c (flag_const_strings): Remove.
18140 * c.opt (fconst_strings): Remove.
18141 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18142 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18143 (c_common_init_options): Don't set flag_const_strings.
18144 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18146 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18148 * arm.md (tlobits_cbranch): New pattern.
18149 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18150 testing a single bit.
18152 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18155 * tree-ssa-pre.c (create_component_ref_by_pieces):
18156 Handle RETURN_DECL like VAR_DECL.
18158 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18160 PR middle-end/26134
18161 * fold-const.c (fold_indirect_ref_1): Fold
18162 "*(foo *)&complexfoo" to "__real__ complexfoo"
18163 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18165 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18167 * tree-flow-inline.h (var_can_have_subvars):
18168 Volatile variables should not have subvariables.
18170 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18173 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18174 multiplying unsigned values.
18177 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18179 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18181 2006-02-08 Jason Merrill <jason@redhat.com>
18184 * tree.def: Elaborate on difference from MODIFY_EXPR.
18185 * doc/c-tree.texi (INIT_EXPR): Likewise.
18186 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18187 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18188 (gimplify_target_expr): Likewise.
18189 (gimplify_cond_expr): Remove target handling.
18190 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18191 (gimplify_expr): Clobber it here.
18192 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18193 Do return slot optimization if we have an INIT_EXPR.
18196 * tree-inline.c (declare_return_variable): Also clear
18197 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18200 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18202 PR middle-end/22439
18203 * gimplify.c (gimplify_one_sizepos): Fix typo.
18205 2006-02-08 Jeff Law <law@redhat.com>
18207 PR tree-optimization/21417
18208 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18209 across a backedge if the control statement at the end of the
18210 block is data dependent on other statements in the same block.
18211 (record_temporary_equivalences_from_stmts): Remove over-conservative
18212 test for threading across backedges.
18214 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18215 control statement, handle all three special cases in the same
18216 manner as they all have the same desired solution. No longer
18217 special case edge flag updating when the post dominator is
18220 2006-02-08 Roger Sayle <roger@eyesopen.com>
18222 * tree.def (CHAR_TYPE): Remove.
18223 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18224 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18225 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18226 (gen_string_type_die): Delete unreachable function.
18228 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18229 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18230 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18231 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18232 * builtins.c (type_to_class): Likewise.
18233 * fold-const.c (fold_convert, build_range_check,
18234 merge_ranges): Likewise.
18235 * expr.c (count_type_elements): Likewise.
18236 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18237 * stor-layout.c (layout_type): Likewise.
18238 * ipa-type-escape.c (type_to_consider): Likewise.
18239 * gimplify.c (omp_firstprivatize_type_sizes,
18240 gimplify_type_sizes): Likewise.
18241 * explow.c (promote_mode): Likewise.
18242 * tree-sra.c (is_sra_scalar_type): Likewise.
18243 * varasm.c (output_constant): Likewise.
18244 * tree-inline.c (remap_type_1): Likewise.
18245 * convert.c (convert_to_pointer, convert_to_real,
18246 convert_to_integer, convert_to_complex): Likewise.
18248 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18250 * df-scan.c (df_def_record_1): A set destination may
18251 be a parallel regardless of mode.
18253 2006-02-08 Roger Sayle <roger@eyesopen.com>
18256 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18257 * config/mips/_tilib.c: Remove.
18258 * config/fixtfdi.c: New libgcc source file.
18259 * config/fixunstfdi.c: New source file.
18260 * config/floatditf.c: New source file.
18261 * config/floatunditf.c: New souce file.
18262 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18263 files above instead of config/mips/_tilib.c.
18264 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18266 2006-02-08 Jeff Law <law@redhat.com>
18268 PR tree-optimization/26169
18269 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18272 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18274 * df.h (DF_REG_SIZE): Return the length of the initialized
18277 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18279 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18280 __muldf3): Return a correctly signed zero.
18282 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18284 * passes.c (register_one_dump_file): Accept the current properties
18285 instead of pass number. Adjust call to dump_register. Remove
18287 (register_dump_files): Now a wrapper around...
18288 (register_dump_files_1): ... this one. Do not modify the pass
18290 (next_pass_1): Cosmetic fix.
18291 (execute_todo): Keep second parameter only. Use curr_properties
18292 instead of fetching it from the pass structure. Check and set
18294 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18295 instead of fetching it from the pass structure. Fix calls to
18296 execute_todo. Update curr_properties and initialize .vcg RTL dump
18297 after running the pass. Reset last_verified.
18298 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18300 (FIRST_AUTO_NUMBERED_DUMP): New.
18301 (dump_register): Remove "num" parameter, assign it within the
18303 (get_dump_file_name): Modify template for dumps.
18304 * tree-dump.h (dump_register): Adjust prototype.
18305 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18306 (PROP_trees): Add PROP_gimple_lomp.
18307 (TODO_set_props): New.
18308 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18309 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18310 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18312 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18314 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18315 (sparc64-*-linux*): Likewise.
18316 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18317 * config/sparc/t-linux: New file.
18318 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18319 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18320 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18321 -m32 -mlong-double-128.
18323 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18324 * config/alpha/t-linux: New file.
18325 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18327 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18328 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18329 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18330 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18331 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18332 (CPP_ARCH32_SPEC): Remove.
18334 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18336 PR tree-optimization/26145
18337 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18340 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18343 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18344 >= 240000 when generating code for SOM runtime.
18345 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18346 to $$dyncall when generating code for SOM runtime..
18348 2006-02-07 Dirk Mueller <dmueller@suse.com>
18351 * doc/invoke.texi (-Wsequence-point): Update documentation
18352 that -Wsequence-point is implemented for C++ as well.
18354 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18356 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18357 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18358 (LIB_SPEC): Likewise.
18359 * doc/invoke.texi (SPARC options): Document -pthread.
18361 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18363 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18366 2006-02-07 Roger Sayle <roger@eyesopen.com>
18368 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18369 Correct comment describing BOOLEAN_TYPE.
18371 2006-02-07 Dirk Mueller <dmueller@suse.com>
18373 * c.opt: C++ frontend supports -Wdiv-by-zero.
18374 * c-opts.c (c_common_handle_option): Remove dead case.
18376 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18378 * configure.ac (TLS assembler check): Do not enable TLS by
18379 default on SPARC/Solaris before version 10.
18380 * configure: Regenerate.
18382 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18384 * doc/invoke.texi (xl-compat): Document conversion and support
18387 2006-02-07 Jeff Law <law@redhat.com>
18389 * tree-vrp.c (find_conditional_asserts): Update comments.
18390 (simplify_stmt_for_jump_threading): New.
18391 (identify_jump_threads, finalize_jump_threads): New.
18392 (vrp_finalize): Call identify_jump_threads.
18393 (execute_vrp): Call finalize_jump_threads.
18394 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18395 (vrp_element, vrp_data, vrp_element_p): Remove.
18396 (vrp_hash_elt, vrp_variables_stack): Remove.
18397 (vrp_hash, vrp_eq, record_range): Remove.
18398 (simplify_cond_and_lookup_avail_expr): Remove.
18399 (extract_range_from_cond): Remove.
18400 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18401 (simplify_stmt_for_jump_threading): New.
18402 (dom_thread_across_edge): New wrapper.
18403 (tree_ssa_dominator_optimize): No longer initialize or
18404 finalize any of the VRP datastructures. Remove iteration
18405 step and simplify as a result of removal of iteration step.
18406 (pass_dominator): Perform a cfg cleanup after DOM.
18407 (dom_opt_finalize_block): Use the new common routines
18408 for threading jumps. Simplify stack management slightly.
18409 No longer need to unwind VRP state.
18410 (record_equivalences_from_incoming_edge): No longer record
18412 (eliminate_redundant_computations): No longer call
18413 simplify_cond_and_lookup_avail_expr.
18414 * tree-flow.h (potentially_threadable_block): Prototype.
18415 (thread_across_edge): Likewise.
18416 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18417 (tree-ssa-threadedge.o): Add dependencies.
18418 * tree-ssa-threadedge.c: New file.
18419 * passes.c (init_optimization_passes): Merge PHIs before
18420 calling VRP. Run VRP again late in the SSA optimization pipeline.
18422 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18424 * df-core.c (df_set_blocks): Do not dereference function pointers.
18425 (df_finish1): Likewise.
18426 (df_hybrid_search_forward): Likewise.
18427 (df_hybrid_search_backward): Likewise.
18428 (df_iterative_dataflow): Likewise.
18429 (df_analyze_problem): Likewise.
18430 (df_compact_blocks): Likewise.
18431 (df_dump): Likewise.
18432 * df-scan.c (df_rescan_blocks): Likewise.
18433 (df_record_entry_block_defs): Likewise.
18435 * genconditions.c (write_conditions): Guard the definition of
18436 'insn_conditions' with the check on GCC version.
18437 (write_writer): Guard the traversal 'insn_conditions' with
18438 the check on GCC version.
18440 2006-02-07 Richard Guenther <rguenther@suse.de>
18444 2006-01-30 Richard Guenther <rguenther@suse.de>
18446 * gimplify.c (gimplify_target_expr): Handle easy cases
18447 without creating a temporary.
18449 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18451 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18452 use of float in probability computations. Use edge probabilities
18453 in place of statically computed probabilities.
18454 (min_spec_prob): New static variable.
18455 (schedule_insns): Initialize it.
18456 (GET_SRC_PROB): Removed.
18457 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18459 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18462 * config/ia64/unwind-ia64.c: Revert last change.
18463 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18464 (INCOMING_FRAME_SP_OFFSET): Define.
18466 2006-02-06 Roger Sayle <roger@eyesopen.com>
18468 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18470 2006-02-07 Ben Elliston <bje@au.ibm.com>
18472 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18473 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18474 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18475 (ix86_return_in_memory): Handle TDmode.
18476 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18477 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18479 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18481 * reorg.c (dbr_schedule): Use dump_file instead of file.
18483 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18486 * config/ia64/predicates.md (extr_len_operand): New predicate.
18487 * config/ia64/ia64.md (extv): Tighten constraints.
18489 (*tbit_and_2): Ditto.
18490 (*tbit_and_3): Ditto.
18491 (*tbit_or_2): Ditto.
18492 (*tbit_or_3): Ditto.
18493 (*bit_zero): Ditto.
18496 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18499 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18501 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18503 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18504 loop_optimizer_init and loop_optimizer_finalize
18505 * tree-ssa-sink.c (execute_sink_code): Ditto.
18506 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18507 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18508 tree_ssa_loop_done): Ditto.
18509 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18510 * sched-ebb.c: Include output.h.
18511 (schedule_ebbs): Do not use dump argument.
18512 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18513 * loop.c (loop_dump_stream): Removed.
18514 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18516 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18517 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18518 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18519 loop_iterations, strength_reduce, record_biv, record_giv,
18520 final_giv_value, check_final_value, check_ext_dependent_givs,
18521 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18522 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18523 dump_file instead of loop_dump_stream.
18524 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18525 argument dump_file.
18526 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18528 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18529 * haifa-sched.c: Include output.h
18530 (schedule_insns, sched_init): Do not use dump argument.
18531 * mode-switching.c (optimize_mode_switching): Ditto.
18532 * modulo-sched.c (stats_file): Removed.
18533 (print_node_sched_params): Do not call argument dump_file.
18534 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18535 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18537 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18539 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18540 rtl_loop_init, rtl_loop_done): Ditto.
18541 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18542 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18544 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18545 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18546 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18547 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18548 * emit-rtl.c (renumber_insns): Ditto.
18549 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18550 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18551 * regclass.c (regclass): Ditto.
18552 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18553 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18554 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18555 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18557 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18558 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18560 * gcse.c (gcse_file, debug_stderr): Removed.
18561 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18562 rest_of_handle_gcse): Do not use dump argument.
18563 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18564 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18565 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18566 compute_code_hoist_vbeinout, compute_code_hoist_data,
18567 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18568 compute_store_table, build_store_vectors, insert_insn_start_bb,
18569 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18570 store_motion): Use dump_file instead of gcse_file.
18571 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18572 * profile.c (profile_dump_file): Removed.
18573 (branch_prob): Use dump_file instead of profile_dump_file.
18574 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18576 * tree-ssa-copy.c (dump_copy_of): Ditto.
18577 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18578 dump file to life_analysis.
18579 * bt-load.c (branch_target_load_optimize): Ditto.
18580 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18582 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18583 regclass, dbr_schedule): Declaration changed.
18584 * sched-int.h (sched_init): Declaration changed.
18585 * tree-profile.c (tree_profile_dump_file): Removed.
18586 (tree_profile_hooks): Removed profile_dump_file hook.
18587 * rtl-profile (rtl_profile_dump_file): Removed.
18588 (rtl_profile_hooks): emoved profile_dump_file hook.
18589 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18591 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18592 * tree-cfg.c (build_tree_cfg): Ditto.
18593 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18594 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18595 Declaration changed.
18596 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18597 life_analysis and schedule_insns.
18598 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18600 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18602 * config/mips/mips.c (mips_reorg): Ditto.
18603 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18606 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18608 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18609 (s390_mangle_fundamental_type): New.
18610 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18613 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18614 (alpha_mangle_fundamental_type): New.
18615 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18618 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18620 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18622 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18623 (sparc_mangle_fundamental_type): New.
18625 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18627 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18628 (s390x-*-linux*): Likewise.
18629 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18630 * config/s390/t-linux: New file.
18632 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18634 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18635 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18637 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18639 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18640 (ANTIC_SAFE_LOADS): New macro.
18641 (find_or_generate_expression): Add prototype.
18642 (set_contains_value): Allow null set for sake of not always having
18643 to allocate ANTIC_SAFE_LOADS.
18644 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18645 Allow COMPONENT_REF too.
18646 (valid_in_set): Allow COMPONENT_REF.
18647 Check ANTIC_SAFE_LOADS too.
18648 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18649 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18651 (can_PRE_operation): Add COMPONENT_REF.
18652 (create_component_ref_by_pieces): New function.
18653 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18654 (insert_aux): Move AGGREGATE_TYPE_P check here.
18655 (compute_avail): Set bb local stmt uids.
18656 (pass_pre): Use TODO_update_ssa_only_virtuals.
18658 2006-02-06 Ben Elliston <bje@au.ibm.com>
18660 * configure.ac: Unconditionally disable decimal float by default.
18661 * configure: Regenerate.
18663 2006-02-06 Ben Elliston <bje@au.ibm.com>
18665 * read-rtl.c (read_name): Terminate reading on EOF.
18667 2006-02-06 Ben Elliston <bje@au.ibm.com>
18669 * dfp.c (decimal_real_arithmetic): Change second argument type
18670 from int to enum tree_code. Do not always return true, but now
18671 return result of any call to decimal_do helper functions.
18672 * dfp.h (decimal_real_arithmetic): Update prototype.
18674 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18676 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18678 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18681 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18684 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18686 * tree-vrp.c (cfg_loops): Removed.
18687 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18688 Use current_loops instead of cfg_loops. Pass flags to
18689 loop_optimizer_init.
18690 * cfgloopmanip.c (fix_loop_structure): Update only available
18692 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18693 loop_optimizer_init.
18694 * modulo-sched.c (build_loops_structure): Removed.
18695 (sms_schedule): Use loop_optimizer_init.
18696 * loop-init.c (loop_optimizer_init): Use flags to determine
18697 which properties of loops to prepare.
18698 (rtl_loop_init): Pass flags to loop_optimizer_init.
18699 * tree-ssa-sink.c (execute_sink_code): Ditto.
18700 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18701 * tree-ssa-pre.c (init_pre): Ditto.
18702 * cfgloop.h (LOOPS_NORMAL): New.
18703 (loop_optimizer_init): Declaration changed.
18705 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18707 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18708 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18710 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18712 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18714 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18715 * pa/t-pa64: Delete quadlib.c rule.
18716 * pa/x-ada: Revert last change.
18717 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18719 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18721 PR rtl-optimization/26087
18722 * rtlanal.c (canonicalize_condition): Do not cross basic block
18725 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18728 * config/ia64/ia64.c: Include debug.h.
18729 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18730 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18731 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18732 (process_epilogue, process_set, process_for_unwind_directive):
18733 Output unwind info only if requested. Add CFA info if requested.
18734 Add new arguments as needed. Adjust callers.
18735 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18737 (DWARF2_FRAME_INFO): Define to zero.
18738 * config/ia64/unwind-ia64.c: Remove code that compensated for
18739 the CFA offset error fixed above.
18740 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18741 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18742 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18743 -funwind-tables and -fexceptions to enable frame info.
18744 (dwarf2out_frame_init): Define initial CFA even if
18745 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18746 DWARF2_UNWIND_INFO is nonzero, not just defined.
18747 (dwarf2out_frame_finish): Output non-EH call frame info only
18748 if DWARF2_FRAME_INFO is nonzero.
18749 (convert_cfa_to_loc_list,
18750 compute_frame_pointer_to_cfa_displacement): Define even if
18751 unwind info is not supported.
18752 (gen_subprogram_die): Use the above unconditionally. Remove
18753 legacy alternate code.
18754 * toplev.c (compile_file): Compile in call to
18755 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18756 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18758 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18759 Jakub Jelinek <jakub@redhat.com>
18761 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18762 IBM extended float format long double as "g" on powerpc*-linux.
18764 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18767 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18768 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18770 2006-02-03 Jason Merrill <jason@redhat.com>
18773 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18775 PR middle-end/25977
18776 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18777 on the return slot if it's an NRV.
18779 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18781 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18782 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18783 rewrite_use): Do not handle USE_OUTER.
18784 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18785 add_iv_outer_candidates, may_replace_final_value,
18786 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18787 (find_interesting_uses_op): Functionality of
18788 find_interesting_uses_outer_or_nonlin moved here.
18789 (find_interesting_uses_outside): Use find_interesting_uses_op.
18791 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18794 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18796 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18797 Ulrich Weigand <uweigand@de.ibm.com>
18800 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18801 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18802 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18803 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18805 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18806 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18807 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18808 Define secondary reloads for TFmode moves.
18809 (constant_modes): Add TFmode.
18810 (NR_C_MODES): Set to 8.
18811 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18813 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18814 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18815 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18816 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18817 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18818 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18819 (FPR mode macro): Add TFmode.
18820 (DSF mode macro): New.
18821 (<de>, <dee> mode attributes): Removed.
18822 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18823 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18824 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18825 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18826 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18827 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18828 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18829 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18830 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18831 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18832 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18833 "*negabs<mode>2", "sqrt<mode>2"):
18834 Changed <de> to <xde>. R constraint replaced by <Rf>.
18835 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18837 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18838 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18839 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18841 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18842 "extenddftf2", "extendsftf2"): New expanders.
18843 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18844 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18845 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18846 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18848 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18849 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18850 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18851 __floatditf): Add a GCC_4.1.0 symbol version tag.
18852 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18855 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18858 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18859 Use targetm.binds_local_p instead of TREE_PUBLIC.
18861 2006-02-02 Roger Sayle <roger@eyesopen.com>
18863 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18864 on INTEGER_TYPEs to indicate that it denotes a character type.
18865 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18866 signed_char_type_node, unsigned_char_type_node and char_type_node.
18867 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18868 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18869 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18871 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18872 Daniel Berlin <dberlin@dberlin.org>
18874 * tree-tailcall.c (arg_needs_copy_p): New function.
18875 (eliminate_tail_call): Use arg_needs_copy_p.
18876 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18877 (add_virtual_phis): New function.
18879 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18881 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18882 #ignore instead of #scratch for %g7 .register directive.
18884 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18886 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18889 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18891 * flow.c (calculate_global_regs_live): Assert that there aren't any
18894 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18896 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18897 what its name says.
18898 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18899 bsi_after_labels iterator.
18900 * tree-if-conv.c (find_phi_replacement_condition,
18901 replace_phi_with_cond_modify_expr): Likewise.
18902 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18903 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18905 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18907 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18909 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18912 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18913 array after growing it.
18915 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18917 PR middle-end/24901
18918 * fold-const.c (fold_checksum_tree): Change type of buf.
18920 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18922 * reload.c (push_secondary_reload): Initialize t_icode.
18924 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18926 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18927 -msoft-float -mlong-double-128 only issue a warning, but don't
18928 swich to DFmode long double.
18930 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18932 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18933 has a constant equivalent, iterate over equivalents for arg0,
18934 calling simplify_relational_operation and if there's a result
18935 cheaper than X, apply fold_rtx and return the result.
18937 2006-02-01 Jan Hubicka <jh@suse.cz>
18939 * opts.c (no_unit_at_a_time_default): New global variable.
18940 (decode_options): Use it.
18941 * opts.h (no_unit_at_a_time_default): Declare.
18943 2006-02-01 Paul Brook <paul@codesourcery.com>
18945 * function.c (assign_parm_setup_reg): Use function argument promotion
18947 * expr.c (expand_expr_real_1): Use function argument promotion rules
18950 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18952 * gcc.c (process_command): Change j to 'unsigned int'.
18954 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18956 PR middle-end/26001
18957 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18958 Use the corrected index for the character
18959 out of the string constant.
18961 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18963 * mode-switching.c (optimize_mode_switching): Fix size
18964 allocated for bb_info[n_entities].
18966 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18968 * gcc.c (main): Correct type that is allocated for
18969 explicit_link_files.
18971 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18973 * config/s390/s390.c (init_alignment_context): Set
18974 ALIAS_SET_MEMORY_BARRIER on the MEM.
18975 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18977 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18979 PR middle-end/25933
18980 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18982 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18985 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18987 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18988 * regrename.c: Ditto.
18989 * tree-ssa-loop-im.c: Ditto.
18990 * tree-dump.c: Ditto.
18991 * tree-complex.c: Ditto.
18992 * genrecog.c: Ditto.
18993 * tree-ssa-threadupdate.c: Ditto.
18995 * java/class.c: Ditto.
18996 * java/jcf-parse.c: Ditto.
18997 * java/resource.c: Ditto.
18998 * java/except.c: Ditto.
18999 * java/jvspec.c: Ditto.
19000 * java/jcf-write.c: Ditto.
19001 * java/jcf-path.c: Ditto.
19002 * java/gjavah.c: Ditto.
19003 * java/zextract.c: Ditto.
19004 * java/jcf-io.c: Ditto.
19005 * java/jcf.h: Ditto.
19006 * java/buffer.c: Ditto.
19007 * java/lang.c: Ditto.
19008 * java/parse-scan.y: Ditto.
19009 * java/lex.c: Ditto.
19010 * java/lex.h: Ditto.
19011 * cfgloopmanip.c: Ditto.
19012 * postreload-gcse.c: Ditto.
19013 * tree-ssa-loop-manip.c: Ditto.
19014 * postreload.c: Ditto.
19015 * tree-ssa-loop-ch.c: Ditto.
19018 * cppspec.c: Ditto.
19019 * diagnostic.c: Ditto.
19021 * genoutput.c: Ditto.
19023 * cfghooks.c: Ditto.
19024 * cfgloopanal.c: Ditto.
19025 * objc/objc-act.c: Ditto.
19027 * genextract.c: Ditto.
19028 * genautomata.c: Ditto.
19029 * pretty-print.c: Ditto.
19030 * genemit.c: Ditto.
19031 * cgraphunit.c: Ditto.
19033 * df-scan.c: Ditto.
19034 * haifa-sched.c: Ditto.
19035 * dominance.c: Ditto.
19037 * tree-ssa-loop-ivopts.c: Ditto.
19038 * df-core.c: Ditto.
19039 * mode-switching.c: Ditto.
19040 * modulo-sched.c: Ditto.
19042 * ipa-pure-const.c: Ditto.
19044 * fix-header.c: Ditto.
19046 * tree-stdarg.c: Ditto.
19047 * ipa-utils.c: Ditto.
19048 * loop-init.c: Ditto.
19049 * ipa-inline.c: Ditto.
19050 * cfganal.c: Ditto.
19052 * alloc-pool.c: Ditto.
19053 * dwarf2out.c: Ditto.
19055 * genattrtab.c: Ditto.
19056 * tree-ssa-loop-ivcanon.c: Ditto.
19057 * predict.c: Ditto.
19058 * timevar.c: Ditto.
19060 * fortran/gfortranspec.c: Ditto.
19061 * regmove.c: Ditto.
19062 * local-alloc.c: Ditto.
19063 * langhooks.c: Ditto.
19064 * function.c: Ditto.
19065 * tree-vectorizer.c: Ditto.
19067 * ipa-type-escape.c: Ditto.
19069 * tree-if-conv.c: Ditto.
19070 * profile.c: Ditto.
19072 * tree-data-ref.c: Ditto.
19073 * loop-unroll.c: Ditto.
19074 * treelang/treetree.c: Ditto.
19076 * bt-load.c: Ditto.
19077 * ggc-common.c: Ditto.
19079 * coverage.c: Ditto.
19081 * tree-cfgcleanup.c: Ditto.
19082 * tree-ssa-pre.c: Ditto.
19083 * cfgcleanup.c: Ditto.
19084 * loop-invariant.c: Ditto.
19085 * loop-iv.c: Ditto.
19086 * ipa-prop.c: Ditto.
19087 * print-tree.c: Ditto.
19088 * conflict.c: Ditto.
19089 * ggc-page.c: Ditto.
19090 * sched-deps.c: Ditto.
19091 * regclass.c: Ditto.
19092 * tree-object-size.c: Ditto.
19093 * combine.c: Ditto.
19094 * bb-reorder.c: Ditto.
19095 * resource.c: Ditto.
19096 * var-tracking.c: Ditto.
19097 * cfgloop.c: Ditto.
19098 * df-problems.c: Ditto.
19099 * reg-stack.c: Ditto.
19101 * gccspec.c: Ditto.
19102 * sched-rgn.c: Ditto.
19103 * tree-ssa-structalias.c: Ditto.
19104 * tree-ssa-reassoc.c: Ditto.
19105 * config/darwin-c.c: Ditto.
19106 * config/darwin.c: Ditto.
19107 * config/arm/arm.c: Ditto.
19109 * collect2.c: Ditto.
19110 * reload1.c: Ditto.
19112 2006-01-31 Nicolas Pitre <nico@cam.org>
19114 * arm.md (smaxsi3): Make aware of smax_m1.
19117 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19119 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19121 2006-01-31 Richard Guenther <rguenther@suse.de>
19123 * doc/invoke.texi (-msselibm): Document.
19124 * target.h (expand_library_builtin): New target hook.
19125 * builtins.c (expand_builtin): Use expand_library_builtin.
19126 (default_expand_library_builtin): New function.
19127 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19128 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19129 (link_gcc_math_spec): Declare.
19130 (static_specs): Add link_gcc_math_spec.
19131 * expr.h (default_expand_library_builtin): Declare.
19132 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19133 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19134 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19135 * config/i386/i386.opt (msselibm): New target option.
19136 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19137 (ix86_init_sse_abi_builtins): New function.
19138 (ix86_expand_library_builtin): Likewise.
19139 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19140 (override_options): Handle error conditions wrt -msselibm.
19141 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19142 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19143 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19146 2006-01-31 Richard Guenther <rguenther@suse.de>
19147 Paolo Bonzini <bonzini@gnu.org>
19149 * doc/install.texi (--disable-libgcc-math): Document.
19151 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19153 * expr.h (expand_normal): new inline function.
19154 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19155 * dojump.c: use it.
19156 * dwarf2out.c: use it.
19159 * expmed.c: use it.
19160 * except.c: use it.
19161 * config/sparc/sparc.c: use it.
19162 * config/i386/i386.c: use it.
19163 * config/rs6000/rs6000.c: use it.
19164 * config/arm/arm.c: use it.
19165 * config/mips/mips.c: use it.
19166 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19168 2006-01-30 Roger Sayle <roger@eyesopen.com>
19170 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19171 argv to the appropriate type.
19173 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19175 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19178 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19181 * config/s390/s390.c (struct machine_function): New flag
19182 decomposed_literal_pool_addresses_ok_p.
19183 (s390_reorg): Set it before final stage of literal pool transforms.
19184 (s390_decompose_address): Only accept displacements of the form
19185 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19187 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19189 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19190 the comparison routine return.
19192 2006-01-30 Michael Matz <matz@suse.de>
19194 * global.c (find_reg): Only evict for global regs.
19195 Take n_refs into account and dump more info.
19197 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19200 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19201 (pragma_trap, pragma_nosave_low_regs): Likewise.
19202 (current_function_anonymous_args): Likewise.
19203 (sh_deferred_function_attributes): New variable.
19204 (sh_deferred_function_attributes_tail): Likewise.
19205 (print_operand): For '@', look up trap_exit attribute.
19206 (calc_live_regs): Look up trapa_handler attribute. For trapa
19207 handlers, save/restore fpscr, but don't do any other
19208 interrupt-specific saves.
19209 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19210 Fix check for partially saved registers to check for SHmedia.
19211 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19212 (sh_output_function_epilogue): Don't clear any of the removed
19214 (sh_insert_attributes): Don't check pragma_interrupt.
19215 Insert deferred attributes. Check that interrupt attribute is
19216 present for other attributes that require its presence.
19217 (sh_attribute_table): Add new attributes trapa_handler and
19219 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19220 Don't check for pragma_interrupt. Don't store argument.
19221 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19222 (sh_deferred_function_attributes): Declare.
19223 (sh_deferred_function_attributes_tail): Likewise.
19224 * sh.md (sp_switch_1): Add operand. Change generator caller.
19225 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19226 (*return_i): Don't use when trap_exit attribute is in effect.
19227 (*return_trapa): New insn pattern.
19228 * sh-c.c: New file.
19229 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19230 setting c_target_objs and cxx_target_objs.
19231 * t-sh: Add rule for sh-c.o.
19233 2006-01-30 Richard Guenther <rguenther@suse.de>
19236 * gimplify.c (gimplify_target_expr): Handle easy cases
19237 without creating a temporary.
19239 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19241 * vec.h (safe_grow): Remove duplicated line.
19243 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19246 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19247 (expand_omp): ... here.
19248 (expand_omp_parallel): Only remove barriers for combined
19249 parallel+workshare constructs.
19251 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19255 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19256 * tree.c (build_qualified_type): Chain the new type to the original
19257 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19258 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19259 (build_pointer_type_for_mode): Only return unqualified types.
19260 (build_reference_type_for_mode): Likewise.
19262 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19264 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19265 * Makefile.in (CXX_COMPAT_WARN): Define.
19266 * configure: Regenerate.
19268 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19271 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19274 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19276 * toplev.c: Fix thinko.
19278 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19279 Marcin Dalecki <martin@dalecki.de>
19281 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19282 (push_srcloc): Use XNEW.
19283 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19285 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19287 * df-core.c (df_set_blocks): Deleted all variable.
19289 2006-01-28 Ian Lance Taylor <ian@airs.com>
19291 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19292 cgraph_output_pending_asms.
19294 2006-01-28 Zack Weinberg <zackw@panix.com>
19296 * c.opt: Add -W(no-)overlength-strings.
19297 * doc/invoke.texi: Document it.
19298 * c-opts.c (c_common_handle_option): -pedantic implies
19299 -Woverlength-strings, if not explicitly disabled already.
19300 (c_common_post_options): -Woverlength-strings defaults to off, and
19301 is always off for C++.
19302 * c-common.c (fix_string_type): Issue warning about strings longer
19303 than is portable only if warn_overlength_strings. Rearrange code
19304 a little for clarity.
19305 * configure.in: Check for -Wno-overlength-strings as well before
19306 enabling -pedantic in stage 1.
19307 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19308 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19310 * genconditions.c (write_header, write_one_condition)
19311 (write_conditions, write_writer): Consolidate very long strings
19312 that were broken up to fit in C89 portable limit. Don't use
19313 printf when fputs will do.
19315 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19317 * combine.c (simplify_comparison <AND>): Check
19318 TRULY_NOOP_TRUNCATION before start using a subreg.
19320 * config/mips/mips.md (*branch_zero<mode>,
19321 *branch_zero<mode>_inverted, *branch_equality<mode>,
19322 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19323 Remove mode check from comparisons.
19325 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19327 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19329 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19331 * expmed.c (const_mult_add_overflow_p): Remove.
19332 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19334 * recog.c (validate_replace_rtx_subexp): Remove.
19335 * recog.h: Remove the prototype for
19336 validate_replace_rtx_subexp.
19338 * integrate.h: Remove the prototype for
19339 copy_decl_for_inlining.
19340 * rtl.h: Remove the prototype for mark_constant_function.
19341 * tree-vectorizer.h: Remove the prototype for
19342 vect_strip_conversion.
19344 * modulo-sched.c (create_partial_schedule,
19345 free_partial_schedule, reset_partial_schedule): Make them
19348 * hooks.c (hook_bool_rtx_int_false): Remove.
19349 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19351 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19353 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19354 and -mlong-double-128 are incompatible.
19355 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19356 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19357 (TARGET_LIBGCC2_CFLAGS): Define.
19358 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19359 (TARGET_LIBGCC2_CFLAGS): Same.
19360 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19362 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19365 * c-typeck.c (build_binary_op): Perform implicit casts of
19366 operands before shortening them.
19368 * cfgloopmanip.c (split_loop_bb): Remove.
19369 * cfgloop.h: Remove the prototype for split_loop_bb.
19371 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19372 * cfgloop.h: Remove the prototype for
19373 flow_loop_outside_edge_p.
19375 * emit-rtl.c (init_virtual_regs): Make it static.
19376 * function.h: Remove the prototype for init_virtual_regs.
19378 * recog.c (peephole2_optimize): Make it static.
19379 * recog.h: Remove the prototype for peephole2_optimize.
19381 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19383 * df-scan.c (df_record_entry_block_defs): Check if
19384 INCOMING_RETURN_ADDR_RTX is defined.
19386 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19387 Kenneth Zadeck <zadeck@naturalbridge.com>
19389 PR rtl-optimization/24762
19390 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19391 * targhooks.c (hook_void_bitmap): New hook prototype.
19392 * targhoohs.h (hook_void_bitmap): Ditto.
19393 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19394 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19395 * target.h (live_on_entry): New function pointer.
19396 * df-scan.c (df_all_hard_regs): Removed.
19397 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19398 (df_scan_free_internal): Added df->entry_block_defs.
19399 (df_scan_alloc): Ditto.
19400 (df_scan_dump): Ditto.
19401 (df_uses_record): Plumbed flag field properly thru calls.
19402 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19403 This part fixes PR24762.
19404 (df_bb_refs_record): Added code to make the frame and arg
19405 pointers live in EH blocks.
19406 (df_refs_record): Added call to df_record_entry_block_defs.
19407 (df_record_entry_block_defs): New function.
19408 * df-core.c: Added comments to describe new artifical defs.
19409 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19410 (entry_block_defs): New field in struct df.
19411 (df_all_hard_regs): Deleted.
19412 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19413 * df-problems.c (df_ru_bb_local_compute_process_def):
19414 Added code to handle artifical defs in the entry to a function.
19415 (df_ru_bb_local_compute): Ditto.
19416 (df_rd_bb_local_compute_process_def): Ditto.
19417 (df_rd_bb_local_compute): Ditto.
19418 (df_lr_bb_local_compute): Ditto.
19419 (df_ur_bb_local_compute): Ditto.
19420 (df_urec_bb_local_compute): Ditto.
19421 (df_chain_create_bb): Ditto.
19422 (df_ur_local_finalize): Removed entry.
19423 (df_urec_init): Ditto.
19424 (df_urec_local_finalize): Ditto.
19425 (df_ri_bb_compute): Added detection of last use of pseudos.
19426 * Makefile.in (df-scan.o): Updated dependencies.
19427 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19428 * config/mips/mips.c (mips_set_live_on_entry): Added.
19429 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19431 * dce.c (marked_insn_p): Added code to handle artifical defs.
19433 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19435 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19437 (_mm_cvtsi128_si64): Likewise.
19438 (_mm_cvtsd_si64): Likewise.
19439 (_mm_cvttsd_si64): Likewise.
19440 (_mm_cvtsi64_sd): Likewise.
19441 (_mm_cvtsi64_si128): Likewise.
19442 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19443 (_mm_cvtsi64_m64): Likewise.
19444 (_m_to_int64): Likewise.
19445 (_mm_cvtm64_si64): Likewise.
19446 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19447 (_mm_cvttss_si64): Likewise.
19448 (_mm_cvtsi64_ss): Likewise.
19449 (_mm_cvtss_f32): Likewise.
19451 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19453 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19454 for pragma redefine_extname.
19456 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19459 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19460 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19461 -mno-minimal-toc to previous content.
19462 (bispecs): Remove goal.
19463 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19464 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19465 compatibility aliases on powerpc-*-*gnu*.
19466 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19467 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19468 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19469 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19470 (ldblspecs): New goal.
19471 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19472 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19474 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19475 L_sf_to_tf or L_df_to_tf is defined.
19477 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19478 Alan Modra <amodra@bigpond.net.au>
19481 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19482 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19483 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19484 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19485 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19486 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19487 (rs6000_override_options): Initialize rs6000_ieeequad.
19488 Initialize TFmode format to ibm_extended_format if not
19490 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19492 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19493 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19494 (function_arg_advance): IBM long double passed in two FPRs, not
19496 (function_arg): IBM long double passed in FPRs.
19497 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19498 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19499 Only multireg GPR aligned.
19500 (rs6000_init_libfuncs): Enable IBM long double functions if not
19502 (rs6000_generate_compare): Use IBM long double compare if not
19504 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19505 (TARGET_IEEEQUAD): Define.
19506 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19507 not TARGET_IEEEQUAD.
19508 * config/rs6000/rs6000.md: Enable TFmode patterns if
19510 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19511 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19512 and -mlong-double-128 are incompatible.
19513 * doc/invoke.texi (-mabi): Collect options together. Add
19514 ibmlongdouble and ieeelongdouble.
19516 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19518 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19520 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19521 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19522 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19523 * rtl.h (rtunion_def): Remove rt_ptr.
19525 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19526 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19527 * config/i386/winnt.c (i386_pe_mark_dllexport)
19528 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19530 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19532 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19534 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19538 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19539 pthread_key_delete. From John David Anglin. gthrw-ify
19540 pthread_getunique_np only if it it's not a macro. Delete
19542 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19543 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19544 __gthread_objc_condition_signal, __gthread_key_delete): Add
19545 "__attribute__ ((__unused__))" to unused arguments.
19546 (__gthread_recursive_mutex_init_function): Add missing return.
19547 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19548 gthr-posix95.h: Use macro-based approach for name redirection
19549 on targets missing weakref.
19551 2006-01-26 Zack Weinberg <zackw@panix.com>
19553 * genconditions.c (write_header): In generated code, #ifdef out
19554 all includes and fake declarations, except includes of bconfig.h
19555 and system.h, unless GCC_VERSION >= 3001. Do not include
19556 gensupport.h in any case.
19557 (write_conditions): Generate a definition of struct c_test. Add
19558 a comment to the generated #endif.
19559 (write_one_condition): Escape backslashes in string too.
19560 (write_writer): Generated code must escape backslashes and quote
19561 marks (but not newlines) in the strings it writes.
19562 * Makefile.in (build/gencondmd.o): Update dependencies.
19564 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19567 * Makefile.in (insn-automata.o): Add header file dependencies.
19568 * genautomata.c: Add includes.
19570 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19573 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19575 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19577 * configure.ac: Expect target tools paths to be passed from the toplevel
19578 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19580 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19582 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19585 * c.opt (Wpointer-sign): Init to -1.
19586 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19587 OPT_pedantic, to 0 otherwise.
19588 * doc/invoke.texi: Update.
19590 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19592 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19593 constants provided by 80387 instructions in the destination mode.
19595 2006-01-26 Richard Guenther <rguenther@suse.de>
19596 Andrew Pinski <pinskia@physics.uc.edu>
19599 partial PR tree-opt/17064
19600 * tree-ssa-structalias.c (intra_create_variable_infos):
19601 Create heap variables for incoming parameters if
19602 flag_argument_noalias > 1.
19603 (find_what_p_points_to): Look through default defs of
19606 2006-01-26 Jeff Law <law@redhat.com>
19609 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19610 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19611 within the VR_RANGE, use the VR_RANGE as the result, not the
19613 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19614 bounds for the type.
19616 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19618 * tree-ssa-alias.c (maybe_create_global_var): Change
19619 subvar walking to an assertion that we don't have subvar'd variables.
19621 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19624 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19625 Use a new variable, inner. PARM_DECLs are always non-weak.
19627 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19629 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19630 --disable-checking.
19632 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19634 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19636 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19638 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19639 (smax_insn, smin_insn, smax_0, smin_0): New.
19641 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19644 * config/cris/cris.c (cris_order_for_addsi3): New function.
19645 * config/cris/cris-protos.h: Prototype it.
19646 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19647 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19648 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19649 (split for "op.S1 [rx=rx+i],ry (swapped)")
19650 (split for "op(s|u).S1 [rx=rx+i],ry")
19651 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19652 Apply cris_order_for_addsi3 when generating addsi3 insns.
19654 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19656 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19657 (TREE_BLOCK): Add call to EXPR_CHECK.
19659 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19662 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19663 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19664 (dump_omp_clauses): ... here.
19665 (dump_generic_node): Handle OMP_CLAUSE.
19666 * tree.c (omp_clause_num_ops): New.
19667 (omp_clause_code_name): New.
19668 (tree_code_size): Handle OMP_CLAUSE.
19669 (tree_size): Likewise.
19670 (make_node): Document handling of OMP_CLAUSE.
19671 (tree_node_structure): Handle OMP_CLAUSE.
19672 (omp_clause_check_failed): New.
19673 (omp_clause_range_check_failed): New.
19674 (omp_clause_operand_check_failed): New.
19675 (build_omp_clause): New.
19676 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19677 * tree.h (enum omp_clause_code): Declare.
19678 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19679 (OMP_CLAUSE_RANGE_CHECK): Define.
19680 (OMP_CLAUSE_ELT_CHECK): Define.
19681 (omp_clause_check_failed): Declare.
19682 (omp_clause_operand_check_failed): Declare.
19683 (omp_clause_range_check_failed): Declare.
19684 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19685 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19686 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19687 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19688 (OMP_CLAUSE_IF_EXPR): Likewise.
19689 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19690 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19691 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19692 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19693 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19694 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19695 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19696 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19697 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19698 (OMP_CLAUSE_CODE): Define.
19699 (OMP_CLAUSE_SET_CODE): Define.
19700 (OMP_CLAUSE_CODE): Define.
19701 (OMP_CLAUSE_OPERAND): Define.
19702 (struct tree_omp_clause): Declare.
19703 (union tree_node): Add field 'omp_clause'.
19704 * treestruct.def (TS_OMP_CLAUSE): Define.
19705 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19706 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19707 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19708 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19709 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19710 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19711 (OMP_CLAUSE): Define.
19712 * print-tree.c (print_node): Handle OMP_CLAUSE.
19713 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19714 * c-typeck.c: Likewise.
19715 * gimplify.c: Likewise.
19716 * c-omp.c: Likewise.
19717 * tree-nested.c: Likewise.
19718 * tree-inline.c: Likewise.
19719 * c-parser.c: Likewise.
19720 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19723 2006-01-25 Roger Sayle <roger@eyesopen.com>
19725 PR rtl-optimization/25703
19726 * combine.c (try_combine): Handle zero_extract and strict_low_part
19727 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19729 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19731 * global.c: Fix comment typos.
19733 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19736 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19737 Use output_addr_const instead of assemble_name.
19739 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19741 * Makefile.in (sched-vis.o): Update dependencies.
19742 * haifa-sched.c (sched_finish): Clear current_sched_info.
19743 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19744 (dump_flow_info): Call it.
19745 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19747 * basic-block.h (dump_bb_info): Declare.
19748 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19749 option, and apply options only for dump files whose TDF_RTL,
19750 TDF_TREE, or TDF_IPA bits match.
19751 * rtl.h: Declare new functions exported from sched-vis.c.
19752 * sched-vis.c: Enable also if scheduling is not used.
19753 (print_value): Print the mode of registers if not inside scheduling.
19754 (print_insn): Make it work outside the scheduler. Beautify the output
19756 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19758 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19760 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19761 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19762 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19763 depending on the value of CONSTANT_POOL_ADDRESS_P.
19764 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19766 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19767 rather than SYMBOL_REF_DECL.
19768 (rtx_constant_pool): Remove const_rtx_sym_htab.
19769 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19770 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19771 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19772 Remove handling of const_rtx_sym_htab.
19773 (find_pool_constant): Delete.
19774 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19775 rather than find_pool_constant.
19776 (get_pool_constant_for_function): Delete.
19777 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19778 find_pool_constant.
19779 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19780 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19781 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19782 (SYMBOL_REF_CONSTANT): New macro.
19783 (get_pool_constant_for_function): Delete.
19784 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19785 rather than SYMBOL_REF_DECL.
19786 (i386_pe_mark_dllimport): Likewise.
19787 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19788 rather than SYMBOL_REF_DECL.
19789 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19790 (machopic_indirect_call_target): Likewise.
19792 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19794 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19796 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19798 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19800 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19802 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19804 2006-01-24 David Daney <ddaney@avtrex.com>
19807 * configure.ac (enable_tls): New enable option.
19808 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19809 * configure: Regenerate.
19810 * doc/install.texi (--enable-tls): Document new option.
19811 (--disable-tls): Ditto.
19813 2006-01-24 Richard Henderson <rth@redehat.com>
19815 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19816 * alias.c (true_dependence): Respect it.
19817 (canon_true_dependence, write_dependence_p): Likewise.
19818 * builtins.c (get_builtin_sync_mem): Set it.
19820 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19822 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19825 2006-01-24 DJ Delorie <dj@redhat.com>
19827 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19828 for storing constants in single-bit bitfields.
19830 2006-01-25 Ben Elliston <bje@au.ibm.com>
19832 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19834 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19837 * tree-ssa-pre.c (phi_translate): Return NULL
19838 for AGGREGATE_TYPE's.
19840 2006-01-24 Zack Weinberg <zackw@panix.com>
19842 * genautomata.c (process_state_for_insn_equiv_partition):
19843 Use xcalloc for insn_arcs_array.
19844 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19845 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19847 2006-01-24 Richard Henderson <rth@redhat.com>
19849 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19850 update all callers.
19852 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19854 PR rtl-optimization/25890
19855 PR rtl-optimization/25905
19856 * combine.c (expand_compound_operation, expand_field_assignment):
19857 Fail if the bitfield's final position is out of bounds.
19859 2006-01-24 Ian Lance Taylor <ian@airs.com>
19861 PR middle-end/25930
19862 * cgraphunit.c (cgraph_output_in_order): Don't clear
19863 cgraph_asm_nodes until after asm strings have been output.
19865 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19867 * fix-header.c (read_scan_file): Add new parameter imultilib when
19868 calling register_include_chains.
19870 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19872 * omp-low.c: Update documentation.
19874 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19875 Daniel Berlin <dberlin@dberlin.org>
19879 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19880 return from the function.
19882 2006-01-22 Zack Weinberg <zackw@panix.com>
19884 * rtl.def (match_code): Add second argument.
19885 * genpreds.c (write_extract_subexp): New function.
19886 (write_match_code): Add path argument. Use write_extract_subexp.
19887 (write_predicate_expr): Pass path to write_match_code.
19888 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19889 not perform a mode test.
19890 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19891 a subexpression does not constrain the top-level code set.
19892 * read-rtl.c (read_rtx_variadic): New function.
19893 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19894 * doc/md.texi: Document new notation.
19895 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19896 (cmpsi_operand): ... here, using new notation.
19898 2006-01-22 Zack Weinberg <zackw@panix.com>
19900 * varray.c: Remove GENERATOR_FILE #ifdefs.
19902 2006-01-22 Zack Weinberg <zackw@panix.com>
19904 * genautomata.c (output_reserved_units_table): Emit nothing if
19905 description->query_units_num is zero. Remove extra blank line.
19906 (output_cpu_unit_reservation_p): Short circuit
19907 if description->query_units_num is zero.
19909 2006-01-22 Zack Weinberg <zackw@panix.com>
19911 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19912 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19913 nor any of the random handful of variables that used to be necessary
19914 when this program was linked with rtlanal.o. Prune set of forward
19915 function declarations.
19916 (struct attr_desc): Remove static_p field.
19917 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19918 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19919 (attr_string): Do not read the character one past the length of
19921 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19922 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19923 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19924 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19925 (make_automaton_attrs): New.
19926 (main): Do not call into genautomata. Call local gen_bypass
19927 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19928 Remove special case for insn_alts.
19929 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19930 varray.h (leftover from previous change). Prune set of forward
19931 function declarations. Remove state_alts fields from all
19932 structures. Remove state_alts_table from struct automaton.
19933 Make everything except main static. Do not maintain num_dfa_decls.
19934 Do not maintain state_alts fields of various structures.
19935 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19936 (add_arc): Remove state_alts argument. All callers updated.
19937 (output_reserved_units_table): Emit #ifdef here...
19938 (output_tables): ...not here. Don't generate state_alts tables.
19939 (expand_automata): Don't generate attributes.
19940 (write_automata): Don't generate state_alts functions.
19941 (main): New function.
19942 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19943 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19944 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19945 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19946 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19947 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19948 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19949 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19951 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19952 * genattrtab.h: Delete file.
19953 * Makefile.in (OBJS-common): Add insn-automata.o.
19954 (insn-automata.o): New rule.
19955 (simple_generated_c): Add insn-automata.c.
19956 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19957 (genprogmd): Add automata.
19958 (build/genattrtab): Needs no extra objects nor libraries.
19959 (build/genautomata): Needs build/vec.o and -lm.
19961 2006-01-22 Zack Weinberg <zackw@panix.com>
19963 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19964 (output_dfa_max_issue_rate, locked_states_num): Delete.
19965 (struct automaton): Add locked_states field.
19966 (output_dead_lock_vect): Save number of locked states in
19967 automaton->locked_states. If it is zero, don't print anything.
19968 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19969 (output_internal_dead_lock_func): Only test the dead_lock_vect
19970 for automata that have locked states.
19971 (output_statistics): Always print the number of locked states for
19972 each automaton. Calculate total number of locked states here.
19973 (write_automata): Don't call output_dfa_max_issue_rate.
19974 * genattrtab.c: Define length_unit_log as a const variable.
19975 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19976 max_insn_queue_index const.
19977 * final.c (length_unit_log): Declare const.
19978 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19980 2006-01-22 Zack Weinberg <zackw@panix.com>
19982 * genautomata.c: Include vec.h, not varray.h.
19983 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19984 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19985 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19986 VEC_* macros operating on appropriately typed vectors, or to
19987 malloced arrays when the size is known in advance. Const-ify
19988 many char* variables and function arguments. No functional changes.
19989 * Makefile.in (build/varray.o): Delete rule.
19990 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19991 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19993 2006-01-22 Zack Weinberg <zackw@panix.com>
19995 * gensupport.c: Define get_insn_name and record_insn_name here.
19996 (read_md_rtx): Call record_insn_name as appropriate.
19997 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19998 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19999 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20001 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20002 (BUILD_VARRAY): Delete.
20003 (genprognormal): Rename genprogmd. Fold in all programs from
20004 genprognoprint; also attrtab.
20005 (build/genattrtab): Just mention genautomata.o and varray.o.
20006 Reorganize a bit, add comments to make the categories clearer.
20008 2006-01-22 Zack Weinberg <zackw@panix.com>
20010 * genconditions.c (condition_table, add_condition): Delete.
20011 (write_conditions): Don't emit n_insn_conditions nor
20012 insn_elision_unavailable. Issue the gcc version #ifdef here,
20013 inside the table, with no #else clause ...
20014 (write_header): ...not here.
20015 (write_writer): New function.
20016 (main): Don't initialize condition_table. Use add_c_test.
20018 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20019 files on the command line.
20020 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20021 Return -1 if there is no entry in the table, don't abort.
20022 (add_c_test, traverse_c_tests): New functions.
20023 * gensupport.h (insn_elision_unavailable, insn_conditions)
20024 (n_insn_conditions): Delete declarations.
20025 (add_c_test, traverse_c_tests): Declare.
20026 * read-rtl.c: Include gensupport.h.
20027 (read_conditions): New function.
20028 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20029 (read_rtx_1): If we get EOF when we were looking for an initial
20030 open paren, return 0. Call read_conditions when appropriate.
20031 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20032 dummy-conditions.o. Eliminate references to insn-conditions.o,
20033 or change them to build/gencondmd.o, as appropriate. Remove
20034 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20035 from $(simple_generated_c). For all files remaining in those
20036 two lists, add insn-conditions.md to the generator command line.
20037 Give insn-constants.h/s-constants their own rules. Add rules
20038 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20039 (build/read-rtl.o): Depend on gensupport.h.
20040 (genprognormal): Include preds.
20041 (genprogearly): Rename genprognoprint; only difference is now that
20042 they don't link with $(BUILD_PRINT).
20043 * dummy-conditions.c: Delete.
20045 2006-01-22 Zack Weinberg <zackw@panix.com>
20047 * genextract.c: Don't include insn-config.h. Do include vec.h.
20048 Declare vectors of int, char, and locstr.
20049 (locstr): New typedef.
20050 (struct extraction): Make all array fields into bare pointers.
20051 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20052 (insn_code_number): Delete.
20053 (accum_extract): New struct.
20054 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20055 (gen_insn): Take insn_code_number as an argument. Use an
20056 accum_extract structure instead of loading data directly into
20057 a struct extraction, and having to know how big it might get.
20058 (walk_rtx): Operate entirely on an accum_extract structure.
20059 (print_path): Avoid unnecessary use of printf.
20060 (print_header): New function, split out of main. Distinguish
20061 more carefully between an unrecognizable insn and an insn that
20062 has the code number of a define_expand.
20063 (main): Pass insn_code_number to gen_insn. Call print_header
20064 only after parsing. Avoid unnecessary use of printf.
20065 * Makefile.in (build/vec.o): New rule.
20066 (build/genextract): Depend on build/vec.o.
20067 (build/genextract.o): Don't depend on insn-config.h.
20069 2006-01-22 Zack Weinberg <zackw@panix.com>
20071 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20072 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20073 practical. Eliminate per-generator-program link rules.
20075 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20077 PR middle-end/24437
20078 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20079 with a call expr to ...
20080 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20082 2006-01-23 Richard Guenther <rguenther@suse.de>
20084 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20085 before make_edge with conditional EDGE_TRUE_VALUE.
20087 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20088 Jan Hubicka <jh@suse.cz>
20089 Richard Guenther <rguenther@suse.de>
20091 PR rtl-optimization/25654
20092 * cfgexpand.c (aggregate_contains_union_type): New function.
20093 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20094 for structure variables that contain a union type.
20096 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20098 * gengtype.c (new_structure): Return the structure.
20099 (create_option): Add an extra "next" argument.
20100 (create_field): New function.
20101 (adjust_field_rtx_def): Use create_option and create_field.
20102 Remove a now-unnecessary call to find_structure.
20103 (adjust_field_tree_def): Likewise.
20104 (note_yacc_type): Remove an unnecessary call to find_structure.
20105 * gengtype.h (new_structure): Return the structure.
20106 (create_option): Add an extra argument.
20107 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20108 (option): Adjust calls to create_option.
20110 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20112 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20114 2006-01-22 Paul Brook <paul@codesourcery.com>
20115 Peter Barada <peter@the-baradas.com>
20117 * config/m68k/m68k.md: Add Coldfire FPU support.
20118 Define FP mode macro and associated attributes.
20119 Use it for float mode patterns.
20120 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20121 (LIBCALL_VALUE): Use m68k_libcall_value.
20122 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20123 (m68k_function_value): Ditto.
20124 (emit_move_sequence): Ditto.
20125 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20126 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20127 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20128 (MULTILIB_EXCEPTIONS): Ditto.
20129 * config/m68k/m68k.opt: Add mcfv4e.
20130 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20131 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20132 (m68k_output_function_prologue): Save ColdFire FPU registers.
20133 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20134 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20135 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20136 ColdFire FPU registers.
20137 (m68k_libcall_value, m68k_function_value): New functions.
20138 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20139 (LIBCALL_VALUE): Use m68k_libcall_value.
20140 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20141 (MASK_COLDFIRE): Add MASK_CFV4E.
20142 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20143 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20144 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20145 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20146 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20147 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20148 * doc/invoke.tex: Document -mcfv4e on m68k.
20150 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20152 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20155 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20158 * c-opts.c (c_common_handle_option): Don't include
20159 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20160 * doc/invoke.texi (C++ Dialect Options): Document that
20161 -Wnon-virtual-dtor is no longer included in -Wall.
20163 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20165 * gcov.c (print_version), gcov-dump.c (print_version),
20166 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20169 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20171 * df-scan.c (problem_SCAN): Added NULL reset function.
20172 (df_scan_reset_blocks): Added code to call reset block function
20173 (df_bb_refs_delete) Fixed comment.
20174 (df_insn_refs_delete): Made tolerant of deleting non existent info
20175 for dataflow problems that need to be reset.
20176 * df-core.c (df_set_blocks): Ditto.
20177 * df.h (struct df_problem): Added reset_fun.
20178 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20179 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20180 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20181 functions to clear out all references to def-use or use-def chains.
20183 2006-01-21 Ben Elliston <bje@au.ibm.com>
20185 * varasm.c (assemble_real): Initialise data array.
20187 2006-01-20 Paul Brook <paul@codesourcery.com>
20189 Merge from csl-arm-branch.
20190 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20191 * config/arm/arm.md (movdi): Force operands[1] to a register
20192 if we have a non-register source.
20193 (*arm_movdi, *movdf_soft_insn): Require that one of the
20194 operands be a register.
20195 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20196 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20198 2006-01-20 DJ Delorie <dj@redhat.com>
20200 * varasm.c (initializer_constant_valid_p): Allow pointers
20201 initialized from integer constants of lesser precision.
20202 (output_constant): Allow non-int-sized pointer modes to be
20203 initialized from integer constants.
20205 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20208 * cppdefault.h (struct default_include): Add multilib flag.
20209 * cppdefault.c (cpp_include_defaults): Set it.
20210 * c.opt (-imultilib): New option.
20211 * c-opts.c (imultilib): New.
20212 (c_common_handle_option): Handle -imultilib.
20213 (c_common_post_options): Likewise.
20214 * c-incpath.c (add_standard_paths, register_include_chains):
20216 * c-incpath.h (register_include_chains): Add extra parameter.
20217 * gcc.c (do_spec_1): Generate -imultilib option.
20218 (The Specs Language): Update %I description.
20219 (process_command): Update copyright notice.
20220 * doc/cppopts.texi (-imultilib): Document.
20221 * doc/invoke.texi (-imultilib): Include in option summary.
20222 (%I): Update specs documentation.
20224 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20226 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20228 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20230 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20233 2006-01-20 Richard Guenther <rguenther@suse.de>
20234 Steven Bosscher <stevenb.gcc@gmail.com>
20236 PR rtl-optimization/24626
20237 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20238 EDGE_TRUE_VALUE if in RTL mode.
20241 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20242 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20244 2006-01-20 Dirk Mueller <dmueller@suse.com>
20247 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20248 instead of a special NOP marker.
20249 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20250 NOP marker handling.
20251 * c-common.h (empty_body_warning): Add forward declaration.
20252 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20253 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20255 2006-01-20 Paul Brook <paul@codesourcery.com>
20257 * Makefile.in (lang_checks): Keep going if mkdir fails.
20259 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20261 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20262 be able to clean out basic block when not necessary.
20263 (df_scan_free): Fixed to properly delete information if df is
20264 unused before calling df_finish.
20265 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20266 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20268 (df_bb_refs_delete): New function.
20269 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20270 * df-core.c (df_set_blocks): Added code to properly clean out
20271 unused blocks if they are not part of the blocks to consider.
20272 Added additional null check.
20273 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20274 be able to clean out basic block when not necessary
20275 * df.h (df_free_bb_function): Ditto.
20276 (df_bb_refs_delete): New function.
20277 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20278 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20279 basic block parameter to be able to clean out basic block when not
20281 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20282 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20283 Fixed to properly delete information if df is unused before
20286 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20288 PR rtl-optimization/25799
20289 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20290 Corrected confluence operator to remove bits from op2 before oring
20291 with op1 rather than removing bits from op1.
20292 (df_ru_transfer_function): Corrected test on wrong bitmap which
20293 caused infinite loop. Both of these problems were introduced in
20294 the dataflow rewrite.
20296 2006-01-19 DJ Delorie <dj@redhat.com>
20298 * reload1.c (find_reload_regs): Note the details of reload
20299 failures in the dump file.
20300 (spill_failure): Likewise.
20302 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20304 * loop-iv.c: Include df.h and hashtab.h.
20305 (enum iv_grd_result): New enum.
20306 (DF_REF_IV, DF_REF_IV_SET): New macros.
20307 (struct biv_entry): New.
20308 (df, bivs): New global variables.
20309 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20310 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20312 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20313 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20314 analyzed_for_bivness_p, record_biv): New functions.
20315 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20316 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20317 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20319 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20321 (iv_number_of_iterations): Use new interface to iv analysis.
20322 * loop-unroll.c: Do not include varray.h.
20323 (analyze_iv_to_split_insn): Use new interface to iv
20325 * loop-unswitch.c (may_unswitch_on): Ditto.
20326 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20328 (df_bb_modify): Realloc tables to the new index.
20329 (df_find_use): New function.
20330 * df.h (df_find_use): Declare.
20331 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20333 * cfgloop.h (struct rtx_iv): Remove analysed field.
20334 (iv_get_reaching_def): Removed.
20335 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20336 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20337 (loop-iv.o): Add df.h and hashtab.h dependency.
20338 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20340 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20343 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20345 (__floatundisf, __floatundidf): Likewise.
20346 * libgcc2.h (IS_IBM_EXTENDED): Define.
20348 2006-01-19 DJ Delorie <dj@redhat.com>
20350 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20352 2006-01-19 Paul Brook <paul@codesourcery.com>
20354 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20355 as nothrow when unwinding tables are disabled.
20357 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20360 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20361 of bit-field" when in system header.
20363 2006-01-19 DJ Delorie <dj@redhat.com>
20365 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20366 the 16 bit shift limit of the m16c.
20368 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20371 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20372 * config/i386/i386.c (output_set_got): Output the label if we have one
20373 for the TARGET_DEEP_BRANCH_PREDICTION case.
20375 2006-01-19 Jan Hubicka <jh@suse.cz>
20376 H.J. Lu <hongjiu.lu@intel.com>
20377 Evandro Menezes <evandro.menezes@amd.com>
20379 * invoke.texi (generic): Document
20381 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20382 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20383 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20384 (x86_use_incdec, x86_pad_returns): New variables
20385 (TARGET_CPU_DEFAULT_generic): New constant
20386 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20387 (enum processor_type): Add generic32 and generic64.
20388 * i386.md (cpu attribute): Add generic32/generic64
20389 (movhi splitter): Behave sanely when both partial_reg_dependency and
20390 partial_reg_stall are set.
20391 (K8 splitters): Enable for generic as well.
20392 * predicates.md (incdec_operand): Use TARGET_INCDEC
20393 (aligned_operand): Avoid memory mismatch stalls.
20394 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20395 * ppro.md: Enable for generic32
20396 * i386.c (generic64_cost, generic32_cost): New.
20397 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20398 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20399 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20400 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20401 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20402 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20403 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20404 x86_accumulate_outgoing_args, x86_prologue_using_move,
20405 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20406 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20407 Enable for generic.
20408 (x86_use_incdec, x86_pad_returns): New.
20409 (override_options): Add generic32 and generic64, translate "generic"
20410 to generic32/generic64 and "i686" to "generic32", refuse
20411 "generic32"/"generic64" as arch target.
20412 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20413 (ix86_reorg): Honor PAD_RETURNS.
20415 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20417 * tree-pretty-print.c (dump_generic_node): Handle
20418 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20419 * cgraph.c (cgraph_expand_queue): Rename from
20420 cgraph_analyze_queue. Update all users.
20421 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20422 cgraph_expand_queue.
20423 (cgraph_expand_all_functions): Likewise.
20424 (cgraph_finalize_pending_functions): Remove. Update callers.
20426 * tree.h (OMP_DIRECTIVE_P): Define.
20427 (OMP_PARALLEL_FN): Define.
20428 (OMP_PARALLEL_DATA_ARG): Define.
20429 (OMP_SECTIONS_SECTIONS): Define.
20430 * tree-pass.h (pass_expand_omp): Declare.
20431 * omp-low.c (struct omp_region): Declare.
20432 (struct omp_context): Remove fields 'parallel_type',
20433 'parallel_start_ix' and 'parallel_start_additional_args'.
20435 (struct omp_for_data): Rename from struct expand_omp_for_data.
20436 (omp_regions): New static variable.
20437 (root_omp_region): New static variable.
20438 (find_omp_clause): Make static.
20439 (is_in_combined_parallel_ctx): Remove.
20440 (is_combined_parallel): New.
20441 (extract_omp_for_data): Move earlier in the file.
20442 (workshare_safe_to_combine_p): New.
20443 (get_ws_args_for): New.
20444 (determine_parallel_type): Move earlier in the file.
20445 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20447 (omp_copy_decl): Likewise.
20448 (create_omp_child_function): Likewise.
20449 (lookup_omp_region): New.
20450 (dump_omp_region): New.
20451 (debug_omp_region): New.
20452 (debug_all_omp_regions): New.
20453 (new_omp_region): New.
20454 (scan_omp_parallel): If parallel_nesting_level > 1, the
20455 directive is nested within another parallel directive.
20456 Set OMP_PARALLEL_FN.
20457 (scan_omp_for): Do not try to handle combined parallel+for
20459 Remove FIXME comment.
20460 (scan_omp_nested): Remove.
20461 (scan_omp_1): Do not call scan_omp_nested when
20462 parallel_nesting_level is > 1.
20463 Do not change the DECL_CONTEXT of local variables found.
20464 (lookup_decl_in_outer_ctx): New.
20465 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20466 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20467 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20468 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20469 If CTX is nested, lookup VAR in the outer context when
20470 building copy assignment.
20471 (lower_send_clauses): Rename from expand_send_clauses.
20472 If CTX is nested, lookup VAR in the outer context when
20473 building copy assignments.
20474 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20475 If CTX is nested, lookup VAR in the outer context when
20476 building copy assignments.
20477 (expand_parallel_call): Rename from build_parallel_call.
20478 Handle combined parallel+workshare cases.
20479 Re-implement to emit code into the CFG.
20481 (expand_omp_parallel): Re-implement to emit code into the CFG.
20482 Call move_sese_region_to_fn to outline the sub-graph
20483 containing the parallel region.
20484 (expand_omp_for_1): Remove.
20485 (expand_omp_for_generic): Re-implement to emit code into the
20487 (expand_omp_for_static_nochunk): Likewise.
20488 (expand_omp_for_static_chunk): Likewise.
20489 (expand_omp_for): Likewise.
20490 (expand_omp_sections): Likewise.
20491 (remove_exit_barriers): New.
20492 (expand_omp_synch): New.
20494 (build_omp_regions_1): New.
20495 (build_omp_regions): New.
20496 (execute_expand_omp): New.
20497 (gate_expand_omp): New.
20498 (pass_expand_omp): Define.
20499 (lower_omp_sections): Rename from expand_omp_sections.
20500 Set OMP_SECTIONS_SECTIONS.
20501 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20502 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20503 (lower_omp_single): Rename from expand_omp_simple.
20504 (lower_omp_master): Rename from expand_omp_master.
20505 (lower_omp_ordered): Rename from expand_omp_ordered.
20506 (lower_omp_critical): Rename from expand_omp_critical.
20507 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20508 (lower_omp_for): Re-implement.
20509 (lower_omp_parallel): Re-implement.
20510 (lower_regimplify): Rename from expand_regimplify.
20511 (lower_omp_1): Rename from expand_omp_1.
20512 If there are syntax errors in the program, replace every
20513 OpenMP directive with NOP.
20514 Call lower_omp_* instead of expand_omp_*.
20515 (lower_omp): Rename from expand_omp.
20517 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20518 * tree-gimple.h (enum omp_parallel_type): Remove.
20519 (gimple_boolify): Declare extern.
20520 (find_omp_clause, determine_parallel_type): Remove.
20522 * gimple-low.c (lower_omp_directive): New.
20523 (lower_stmt): Call it.
20524 (record_vars_into): Move from ...
20525 (record_vars): ... here.
20526 Call record_vars_into with current_function_decl.
20528 * gimplify.c (struct gimplify_ctx): Remove fields
20529 combined_pre_p and combined_ctxp. Update users.
20530 (get_formal_tmp_var): Add documentation.
20531 (gimple_boolify): Make extern.
20532 (gimplify_expr_in_ctx): Remove. Update callers.
20533 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20534 will always be a BIND_EXPR.
20535 (gimplify_expr): Handle OMP_RETURN_EXPR.
20536 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20537 (OMP_PARALLEL): Add 3 operands.
20538 (OMP_SECTIONS): Add 1 operand.
20539 (OMP_RETURN_EXPR): Define.
20541 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20542 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20543 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20544 creating a circular free list.
20545 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20547 * tree-flow.h (move_sese_region_to_fn): Declare.
20548 (record_vars_into): Declare.
20549 * tree-cfg.c (make_omp_sections_edges): New.
20550 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20551 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20552 OMP_SECTIONS and OMP_SECTION.
20553 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20554 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20555 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20556 (gather_blocks_in_sese_region): New.
20557 (struct move_stmt_d): Declare.
20558 (move_stmt_r): New.
20559 (move_block_to_fn): New.
20560 (move_sese_region_to_fn): New.
20562 * passes.c (init_optimization_passes): Schedule
20563 pass_expand_omp after pass_init_datastructures.
20565 * tree-ssa-operands.c (get_expr_operands): Handle
20566 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20567 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20569 2006-01-19 Jeff Law <law@redhat.com>
20571 * tree-vrp.c (extract_range_from_assert): Refine the result range
20572 if the variable referenced by the ASSERT_EXPR has a range and
20573 either the tentative result range or the previous range is a
20576 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20578 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20580 2006-01-19 Jan Hubicka <jh@suse.cz>
20582 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20584 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20586 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20587 (expand_compound_operation, expand_field_assignment): Fail if the
20588 bit lengths of an extract operation are out of range.
20589 (make_extraction): Compute wanted_inner_mode based on the position
20590 and length of the extraction. Make it extraction_mode for non-constant
20591 positions, and do not modify offset in that case. When generating a
20592 new MEM, use a mode that can hold the extraction while keeping correct
20593 alignment. Remove code that supported MEMs wrapped by USEs.
20594 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20596 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20598 * config/s390/s390.md ("Y", "y"): New mode attribute.
20599 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20600 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20601 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20602 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20603 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20604 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20605 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20606 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20607 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20608 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20609 "addsi3", "subsi3"): Insn patterns removed.
20610 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20611 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20612 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20613 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20614 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20615 "*sub<mode>3_cconly2"): New insn patterns.
20616 ("addsi3", "subsi3"): New expanders.
20618 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20620 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20621 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20622 existing STMT_VINFO_VECTYPE if available.
20623 (vect_mark_relevant): Add special handling for stmts that are
20624 marked as STMT_VINFO_IN_PATTERN_P.
20625 (vect_analyze_loop): Call vect_pattern_recog.
20626 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20627 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20629 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20630 (vect_recog_func_ptr): New function-pointer type.
20631 * tree-vect-patterns.c: New file.
20632 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20633 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20634 (vect_pattern_recog_1): New functions.
20635 (vect_pattern_recog_funcs): New array of function pointers.
20637 * tree-vectorizer.h (ternary_op): New enum value.
20638 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20639 declaration. Revised documentation. Removed redundant dump prints.
20640 Removed redundant argument. Added support for reduction patterns.
20641 (vectorizable_reduction): Added support for reduction patterns.
20642 (vect_transform_stmt): Added support for patterns.
20644 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20645 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20646 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20647 (expand_widen_pattern_expr): New function.
20648 (init_optabs): Initialize new optabs udot_prod_optab,
20650 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20651 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20652 (expand_widen_pattern_expr): New function declaration.
20653 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20655 * tree-inline.c (estimate_num_insns_1): Added cases for new
20656 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20657 * tree-pretty-print.c (dump_generic_node): Likewise.
20658 (op_prio): Likewise.
20659 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20660 * tree-ssa-operands.c (get_expr_operands): Added case for
20662 * tree-vect-patterns.c (widened_name_p): New function.
20663 (vect_recog_dot_prod_pattern): Added function implementation.
20664 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20665 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20666 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20667 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20669 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20670 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20671 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20672 (init_optabs): Initialize new optabs widen_ssum_optab,
20674 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20675 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20676 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20677 use instead of type of def.
20678 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20679 function implementation.
20680 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20681 widen_ssumv8hi): New.
20683 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20686 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20689 * c-decl.c (add_flexible_array_elts_to_size): New function.
20690 (finish_decl): Use it.
20692 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20694 * diagnostic.h: Include options.h.
20695 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20696 dependancies for diagnostic.h.
20697 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20699 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20701 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20702 (ssa_ro_call_cache_valid): Ditto.
20703 * tree-ssa-alias.c (sort_tags_by_id): New function.
20704 (init_transitive_clobber_worklist): Ditto.
20705 (add_to_worklist): Ditto.
20706 (mark_aliases_call_clobbered): Ditto.
20707 (compute_tag_properties): Ditto.
20708 (set_initial_properties): Ditto.
20709 (compute_call_clobbered): Ditto.
20710 (compute_may_aliases): Call compute_call_clobbered and grouping.
20711 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20712 (compute_flow_insensitive_aliasing): Grouping now happens in our
20714 (setup_pointers_and_addressables): Remove clobbering related code.
20715 (add_may_alias): Ditto.
20716 (replace_may_alias): Ditto.
20717 (get_nmt_for): Ditto.
20718 (create_global_var):
20719 (is_escape_site): Return an escape_type enumeration.
20720 * tree-flow-inline.h (is_call_clobbered): Global var does not
20721 imply call clobbered.
20722 (mark_call_clobbered): Take a reason for marking this. Remove
20723 marking of globalness, and cache invalidation.
20724 (clear_call_clobbered): Remove cache invalidation code.
20725 * tree-dfa.c (dump_variable): If details is on, dump the reason
20727 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20729 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20730 (struct var_ann_d): Ditto.
20731 (enum escape_type): New.
20732 (mark_call_clobbered): Adjust prototype.
20733 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20734 are never call clobbered.
20735 Record reasons for escaping.
20736 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20737 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20738 (ssa_ro_call_cache_valid): Ditto.
20739 (clobbered_v_may_defs): Ditto.
20740 (clobbered_vuses): Ditto.
20741 (ro_call_vuses): Ditto.
20742 (clobber_stats): New.
20743 (init_ssa_operands): Zero out clobber stats.
20744 (fini_ssa_operands): Print out clobber stats.
20745 (get_call_expr_operands): Pass callee fndecl to
20746 add_call_read_ops).
20747 (add_call_clobber_ops): Remove use of cache.
20748 Add use of PURE_CONST information.
20749 (add_call_read_ops): Remove use of cache.
20750 Add use of static not_read information.
20752 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20754 Introduce TLS descriptors for i386 and x86_64.
20755 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20756 (TARGET_ANY_GNU_TLS): New macro.
20757 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20758 (struct machine_function): Add tls_descriptor_call_expanded_p.
20759 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20760 (ix86_current_function_calls_tls_descriptor): Likewise.
20761 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20762 (override_options): Introduce gnu2 tls dialect.
20763 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20765 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20767 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20768 (ix86_init_machine_status): Initialize new field.
20769 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20770 (ix86_tls_module_base): New.
20771 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20772 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20773 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20774 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20775 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20776 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20777 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20778 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20779 * config/i386/predicates.md (tls_modbase_operand): New.
20780 (tp_or_register_operand): New.
20782 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20784 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20785 (look_for_address_of): Ditto.
20786 (ipa_init): Walk the function decls.
20787 (static_execute): Don't set readonly on FUNCTION_DECL's.
20789 2006-01-18 Roger Sayle <roger@eyesopen.com>
20791 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20792 for shifts where the source and destination registers are different.
20794 2006-01-18 Paul Brook <paul@codesourcery.com>
20796 Merge from csl-arm-branch.
20797 2005-03-14 Julian Brown <julian@codesourcery.com>
20798 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20799 (aeabi_llsl): Likewise.
20800 (ashrdi3): Likewise.
20801 (aeabi_lasr): Likewise.
20802 (lshrdi3): Likewise.
20803 (aeabi_llsr): Likewise.
20804 2005-03-10 Julian Brown <julian@codesourcery.com>
20805 * config.gcc: Disable shared libgcc for SymbianOS.
20806 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20808 2006-01-18 DJ Delorie <dj@redhat.com>
20810 * c-pragma.c (handle_pragma_diagnostic): New.
20811 (init_pragma): Register it.
20812 * doc/extend.texi: Document it.
20814 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20815 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20816 (diagnostic_context): Add classify_diagnostic[].
20817 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20818 as errors if they're overridden to DK_WARNING.
20819 (diagnostic_initialize): Initialize classify_diagnostic[].
20820 (diagnostic_set_kind_override): New.
20821 (diagnostic_report_diagnostic): Check for kind changes.
20822 * opts.c (common_handle_option): Take lang_mask. Update callers.
20823 Handle OPT_Werror_.
20824 * common.opt (Werror=): New.
20825 * doc/invoke.texi: Document -Werror=*
20827 2006-01-18 Jeff Law <law@redhat.com>
20829 * tree-vrp.c (test_for_singularity): Correct test for new
20830 min limit. Use operand_equal_p rather than pointer equality
20831 for testing if new min/max values are equal.
20833 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20834 using range information until after propagation and folding.
20836 2006-01-18 Richard Henderson <rth@redhat.com>
20837 Aldy Hernandez <aldyh@redhat.com>
20838 Jakub Jelinek <jakub@redhat.com>
20839 Diego Novillo <dnovillo@redhat.com>
20841 * omp-low.c: New file.
20842 * c-omp.c: New file.
20844 2006-01-18 Richard Henderson <rth@redhat.com>
20845 Jakub Jelinek <jakub@redhat.com>
20846 Diego Novillo <dnovillo@redhat.com>
20848 * doc/invoke.texi: Document -fopenmp.
20849 * tree-dump.h (debug_function): Declare.
20850 * hooks.c (hook_bool_tree_bool_false): New function.
20851 (hook_tree_tree_null): Remove.
20852 (hook_tree_tree_tree_null): New.
20853 * hooks.h: Update to match.
20854 * tree-pretty-print.c (debug_tree_chain): New.
20855 (print_generic_expr): Handle TDF_CHAIN.
20856 (dump_generic_node): Handle BLOCK.
20857 Do not abort with incomplete SWITCH_EXPRs.
20858 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20859 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20860 print space after directive name.
20861 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20862 Handle OMP_MASTER and OMP_ORDERED.
20863 Handle printing of OMP_BODY just in one place, goto
20864 dump_omp_body in the rest of OMP_* nodes that have
20866 Don't handle clause nodes here. Update omp statements to
20867 use dump_omp_clauses.
20868 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20869 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20870 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20871 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20872 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20873 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20874 Adjust output for GOMP_PARALLEL.
20875 (dump_omp_clauses): New.
20876 (print_declaration): Dump DECL_VALUE_EXPR.
20877 (op_symbol_1): Split out of op_symbol.
20878 (dumping_stmts): Remove. Update all users.
20879 * cgraph.c (cgraph_analyze_queue): New.
20880 (cgraph_add_new_function): New.
20881 * cgraph.h (cgraph_analyze_queue): Declare.
20882 (cgraph_add_new_function): Declare.
20883 (cgraph_lower_function): Remove.
20884 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20885 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20886 and TYPE_P nodes in its default clause.
20887 (empty_body_p): New.
20888 (tree_range_check_failed): New.
20889 (build5_stat): New.
20890 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20891 OMP_CLAUSE_REDUCTION_MERGE,
20892 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20893 OMP_CLAUSE_PRIVATE_DEBUG,
20894 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20895 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20896 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20897 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20898 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20899 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20900 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20901 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20902 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20903 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20904 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20905 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20906 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20907 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20908 (TREE_RANGE_CHECK): New.
20909 (empty_body_p): Declare.
20910 (enum omp_clause_default_kind): New.
20911 (build_string_literal): Declare.
20912 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20913 (build5_stat, build5): Declare.
20914 * tree-pass.h (TDF_CHAIN): Define.
20915 * tree-pass.h (PROP_gimple_lomp): Define.
20916 (pass_lower_omp): Declare.
20917 * diagnostic.h (debug_tree_chain): Declare.
20918 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20920 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20921 * builtins.c (build_string_literal): Make extern.
20922 * gcc.c (include_spec_function): New.
20923 (static_spec_functions): Add it.
20924 (main): Move load of libgomp.spec ...
20925 (LINK_COMMAND_SPEC): ... here.
20926 (link_gomp_spec): New.
20927 (static_specs): Include it.
20928 (LINK_COMMAND_SPEC): Add link_gomp.
20929 (GOMP_SELF_SPECS): New.
20930 (driver_self_specs): Include it.
20931 (switch_matches): Don't mark inline.
20932 (main): Load libgomp.spec.
20933 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20934 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20935 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20936 * tree-gimple.h (enum omp_parallel): Declare.
20937 (determine_parallel_type): Declare.
20938 (omp_firstprivatize_variable): Declare.
20939 (omp_reduction_init): Declare.
20940 (diagnose_omp_structured_block_errors): Declare.
20941 (struct walk_stmt_info): Add want_return_expr.
20942 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20943 (find_omp_clause): Declare.
20944 (insert_field_into_struct): Declare.
20945 (struct walk_stmt_info): Move from tree-nested.c
20946 (walk_stmts): Declare.
20947 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20949 * cgraphunit.c (cgraph_lower_function): Make static.
20950 (cgraph_finalize_pending_functions): New.
20951 (cgraph_finalize_function): Call it.
20952 (cgraph_finalize_compilation_unit): Likewise.
20953 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20954 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20955 (BT_FN_UINT_UINT): New.
20956 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20957 DEF_FUNCTION_TYPE_VAR_4): Document.
20958 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20959 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20960 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20961 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20962 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20963 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20964 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20965 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20966 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20967 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20968 into separate files.
20969 (DEF_GOMP_BUILTIN): New.
20970 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20971 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20972 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20973 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20974 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20975 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20976 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20977 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20978 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20979 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20980 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20981 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20982 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20983 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20984 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20985 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20986 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20987 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20988 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20989 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20990 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20991 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20992 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20993 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20994 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20995 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20996 * sync-builtins.def: New file, moved from builtins.def.
20997 * omp-builtins.def: New file, moved from builtins.def.
20998 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20999 * gimple-low.c (lower_function_body): Clear data.
21000 (lower_stmt): Do not handle COMPOUND_EXPR.
21001 Remove call to print_node_brief.
21002 * c-tree.h (c_finish_omp_clauses): New prototype.
21003 (C_DECL_THREADPRIVATE_P): Define.
21004 (lookup_name_no_remap, c_omp_remap_private): Remove
21005 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21006 (check_for_loop_decls): Update decl.
21007 (lookup_name_no_remap, c_omp_remap_private): Declare.
21008 (build_indirect_ref, build_modify_expr, pushdecl,
21009 pushdecl_top_level): Move to c-common.h.
21010 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21011 before the switch, but just in the 2 places that need it.
21012 * c-decl.c (diagnose_mismatched_decls): Do not check for
21013 mismatched thread-local attributes when OLDDECL is marked
21014 threadprivate and NEWDECL has no thread-local attributes.
21015 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21016 (c_gimple_diagnostics_recursively): Rename from
21017 c_warn_unused_result_recursively. Invoke
21018 diagnose_omp_structured_block_errors.
21019 (check_for_loop_decls): Return a singular decl found.
21020 * langhooks.c (lhd_omp_predetermined_sharing): Return
21021 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21022 (lhd_omp_firstprivatize_type_sizes): New.
21023 (lhd_omp_assignment): New.
21024 (lhd_omp_predetermined_sharing): New.
21025 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21026 (struct lang_hooks_for_types): Add
21027 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21028 omp_predetermined_sharing, omp_disregard_value_expr,
21029 omp_private_debug_clause, omp_clause_default_ctor,
21030 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21031 (c_finish_omp_clauses): New.
21032 (c_finish_bc_stmt): Diagnose break within omp for.
21033 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21034 (build_unary_op): Return error_mark after reporting
21036 (build_modify_expr): Likewise.
21037 * gimplify.c: Include optabs.h and pointer-set.h.
21038 (enum gimplify_omp_var_data): Declare.
21039 (struct gimplify_omp_ctx): Declare.
21040 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21042 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21043 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21044 (splay_tree_compare_decl_uid): New.
21045 (new_omp_context): New.
21046 (delete_omp_context): New.
21047 (gimple_add_tmp_var): Call omp_add_variable.
21048 (gimplify_bind_expr): Likewise.
21049 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21050 true, disregard DECL_VALUE_EXPR on the decl if any.
21051 (gimplify_expr_in_ctx): New.
21052 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21053 omp_add_variable, omp_notice_variable, omp_is_private
21054 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21055 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21056 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21057 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21058 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21059 gimplify_omp_atomic): New.
21060 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21061 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21062 OMP_CRITICAL and OMP_ATOMIC.
21063 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21064 * c-pragma.h (enum pragma_kind): Add
21065 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21066 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21067 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21068 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21069 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21070 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21071 PRAGMA_OMP_THREADPRIVATE.
21072 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21073 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21074 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21075 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21076 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21077 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21078 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21079 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21080 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21081 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21082 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21083 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21084 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21086 (struct nesting_info): Add field_map,
21087 suppress_expansion, debug_var_chain.
21088 (create_nesting_tree): Initialize them.
21089 (lookup_field_for_decl): Use field_map.
21090 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21091 (convert_local_omp_clauses): New.
21092 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21093 (walk_body): Split out of walk_function.
21094 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21095 (convert_nonlocal_reference): Handle omp statements.
21096 (convert_local_reference): Likewise.
21097 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21098 (unnest_nesting_tree): New.
21099 (lower_nested_functions): Call it.
21100 (insert_field_into_struct): Make extern.
21101 (struct walk_stmt_info): Move to tree-gimple.h.
21102 (walk_stmts): Make extern.
21103 * omp-builtins.def: New file.
21104 * tree-iterator.c (expr_only): Clarify comment.
21105 * c-common.h (pushdecl_top_level, pushdecl,
21106 build_modify_expr, build_indirect_ref,
21107 c_finish_omp_master, c_finish_omp_critical,
21108 c_finish_omp_ordered, c_finish_omp_barrier,
21109 c_finish_omp_atomic, c_finish_omp_flush,
21110 c_finish_omp_for, c_split_parallel_clauses,
21111 omp_clause_default_kind, c_omp_sharing_predetermined,
21112 c_omp_remap_decl): Declare.
21113 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21114 (OBJS-common): Add omp-low.o.
21115 (c-omp.o, omp-low.o): Add.
21116 (gimplify.o): Add dependency on $(OPTABS_H).
21117 (GTFILES): Add omp-low.c.
21118 (gt-stringpool.h): Add.
21119 * tree-cfg.c (set_bb_for_stmt): Do not update the
21120 block-to-labels map if we are currently expanding to RTL.
21121 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21123 Handle IDENTIFIER_NODE.
21124 (tree_verify_flow_info): Do not ICE when emitting error
21125 messages about invalid labels.
21126 (dump_function_to_file): Reset CFUN before emitting the body
21128 (debug_function): New.
21129 * passes.c (init_optimization_passes): Schedule
21131 * langhooks-def.h (lhd_omp_predetermined_sharing,
21132 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21134 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21135 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21136 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21137 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21138 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21139 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21140 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21141 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21142 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21143 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21144 (LANG_HOOK_DECLS): Use them.
21146 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21147 Richard Henderson <rth@redhat.com>
21148 Jakub Jelinek <jakub@redhat.com>
21149 Diego Novillo <dnovillo@redhat.com>
21151 * c-parser.c (pragma_omp_clause): Define.
21152 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21153 (c_parser_compound_statement): Likewise.
21154 (c_parser_statement): Likewise.
21155 (c_parser_pragma): Handle omp pragmas.
21156 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21157 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21158 (c_parser_omp_clause_name, check_no_duplicate_clause,
21159 c_parser_omp_variable_list,
21160 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21161 c_parser_omp_clause_copyprivate,
21162 c_parser_omp_clause_default,
21163 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21164 c_parser_omp_clause_lastprivate,
21165 c_parser_omp_clause_nowait,
21166 c_parser_omp_clause_num_threads,
21167 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21168 c_parser_omp_clause_reduction,
21169 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21170 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21171 c_parser_omp_atomic, c_parser_omp_barrier,
21172 c_parser_omp_critical, c_parser_omp_flush,
21173 c_parser_omp_for_loop, c_parser_omp_for,
21174 c_parser_omp_master, c_parser_omp_ordered,
21175 c_parser_omp_sections_scope, c_parser_omp_sections,
21176 c_parser_omp_parallel, c_parser_omp_single,
21177 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21178 * c-pragma.c (init_pragma): Do omp pragma registration here.
21179 * c.opt (fopenmp): New flag.
21181 2006-01-18 Eric Christopher <echristo@apple.com>
21183 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21184 * config/darwin.h (GOMP_SELF_SPECS): Define.
21186 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21188 * rtl.h: Remove the prototype for reg_alloc.
21190 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21193 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21194 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21195 sjlj and dwarf2 exception handling.
21196 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21197 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21198 * pa/pa.c (function_value): Treat complex and vector types as
21200 (function_arg): Likewise. Only pass scalar floats in the floating
21201 point argument registers.
21202 * pa/t-slibgcc-dwarf-ver: New file.
21203 * pa/t-slibgcc-sjlj-ver: New file.
21204 * pa/t-slibgcc-elf-ver: Delete file.
21206 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21208 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21209 unlikely_test_section_p test.
21211 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21213 * mode-switching.c (optimize_mode_switching): Make it static.
21214 * basic-block.h: Remove the prototype for
21215 optimize_mode_switching.
21217 * modulo-sched.c (sms_schedule): Make it static.
21218 * rtl.h: Remove the prototype for sms_schedule.
21220 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21221 * rtl.h: Remove the prototype for gcse_after_reload_main.
21223 * reg-stack.c (reg_to_stack): Make it static.
21224 * rtl.h: Remove the prototype for reg_to_stack.
21226 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21228 * rtl.h: Remove the prototypes for regrename_optimize and
21229 copyprop_hardreg_forward.
21231 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21233 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21234 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21235 Test against the appropriate null constant for the mode.
21236 If 'fixup_overlap' is true, swap the operands if they overlap.
21237 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21238 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21239 alpha_split_tmode_pair and adjust for above change.
21240 * config/alpha/alpha.md (movtf_internal): Adjust call to
21241 alpha_split_tfmode_pair and rely on it to swap the operands.
21242 (movti_internal): New insn and post-reload splitter.
21243 (movti): New expander.
21245 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21247 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21250 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21252 * rtlanal.c (global_reg_mentioned_p_1,
21253 global_reg_mentioned_p): Remove.
21254 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21256 * flow.c (initialize_uninitialized_subregs): Make it static.
21257 * rtl.h: Remove the prototype for
21258 initialize_uninitialized_subregs.
21260 * function.c (instantiate_virtual_regs): Make it static.
21261 * function.h: Remove the prototype for
21262 instantiate_virtual_regs.
21264 * regmove.c (regmove_optimize, combine_stack_adjustments):
21266 * rtl.h: Remove the prototypes for regmove_optimize and
21267 combine_stack_adjustments.
21269 2006-01-17 Roger Sayle <roger@eyesopen.com>
21271 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21272 (size_cost): Encode costs in bytes so that a reg-reg addition is
21273 equivalent to COSTS_N_INSNS(1).
21274 (override_options): Use the size_cost.branch_cost as the default
21275 ix86_branch_cost when optimizing for size.
21277 2006-01-18 Ben Elliston <bje@au.ibm.com>
21279 * Makefile.in (D32PBIT_FUNCS): New.
21280 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21281 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21282 D64PBIT_FUNCS and D128PBIT_FUNCS.
21283 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21284 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21286 (decnumber_dep): Define.
21287 * doc/libgcc.texi (Decimal float library routines): New node.
21288 * config/dfp-bit.h, config/dfp-bit.c: New files.
21290 2006-01-18 Ben Elliston <bje@au.ibm.com>
21292 * expr.c (emit_move_change_mode): Always adjust addresses, not
21293 just during reload. Copy replacements only during reload.
21294 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21295 emit_move_via_integer.
21297 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21299 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21300 instead of $(srcdir) and ${srcdir}.
21302 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21305 PR middle-end/11135
21306 * arm.h (struct machine_function): Add pic_reg.
21307 * arm.c (arm_pic_register): Make unsigned.
21308 (arm_override_options): Only set arm_pic_register if
21309 TARGET_SINGLE_PIC_BASE.
21310 (use_return_insn): Only test for a pic register if it is fixed.
21311 (arm_compute_save_reg0_reg12_mask): Likewise.
21312 (thumb_compute_save_reg_mask): Likewise.
21313 (legitimate_pic_operand): Factor out some known invariants.
21314 (legitimize_pic_address): If we don't have a fixed pic register,
21315 then set up a pseudo in the function entry sequence. Handle the
21316 pic base being in a pseudo.
21317 (arm_load_pic_register): Handle the pic register being in a pseudo.
21318 (arm_expand_prologue): Only set up the pic register if it is fixed.
21319 (thumb_expand_prologue): Likewise.
21320 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21321 (pic_load_addr_based_insn): Likewise.
21322 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21325 2006-01-18 Ben Elliston <bje@au.ibm.com>
21327 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21328 decimal float modes for all floating point registers.
21330 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21331 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21333 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21336 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21337 even when the pointer is not NULL.
21339 2006-01-16 Ian Lance Taylor <ian@airs.com>
21341 * common.opt (ftoplevel-reorder): New option.
21342 * cgraph.c (cgraph_asm_nodes): New global variable.
21343 (cgraph_asm_last_node): New static variable.
21344 (cgraph_order): New global variable.
21345 (cgraph_create_node): Set new order field.
21346 (cgraph_varpool_node): Likewise.
21347 (decide_is_variable_needed): Return true if not
21348 flag_toplevel_reorder.
21349 (cgraph_add_asm_node): New function.
21350 * cgraph.h (struct cgraph_node): Add order field.
21351 (struct cgraph_varpool_node): Add order field.
21352 (struct cgraph_asm_node): Define.
21353 (cgraph_asm_nodes, cgraph_order): Declare.
21354 (cgraph_add_asm_node): Declare.
21355 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21357 (cgraph_varpool_assemble_pending_decls): Call it.
21358 (cgraph_output_pending_asms): New static function.
21359 (cgraph_finalize_compilation_unit): Call it.
21360 (struct cgraph_order_sort): Define.
21361 (cgraph_output_in_order): New static function.
21362 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21363 !flag_toplevel_reorder case.
21364 * c-parser.c: Include "cgraph.h".
21365 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21367 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21368 than -fno-unit-at-a-time.
21369 * doc/invoke.texi (Option Summary): Mention
21370 -fno-toplevel-reorder.
21371 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21372 -funit-at-a-time documentation.
21374 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21375 Kazu Hirata <kazu@codesourcery.com>
21377 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21379 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21381 * Makefile.in (FUNCTION_H): New. Use it instead of
21382 function.h throughout the file.
21383 * function.h: Include tree.h.
21385 2006-01-17 Ben Elliston <bje@au.ibm.com>
21387 * recog.c: Separate some functions with whitespace.
21389 2006-01-16 Richard Henderson <rth@redhat.com>
21391 Merge from gomp branch:
21392 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21393 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21394 and rename from struct inline_data. Rename callee* to dst*;
21395 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21396 transform_new_cfg, transform_return_to_modify, and
21397 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21399 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21400 (copy_decl_for_dup): Remove.
21401 * tree-inline.c (struct inline_data): Move to header.
21402 (insert_decl_map): Export.
21403 (remap_decl): Update for member name changes. Use copy_decl hook.
21404 Allow for replacement to be a non-decl. Remove dead code.
21405 (remap_type_1): Check for existing mapping.
21406 (remap_type): Export.
21407 (remap_decls): Update for member name changes.
21408 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21409 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21410 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21411 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21412 (tree_function_versioning, build_duplicate_type): Likewise.
21413 (copy_body_r): Likewise. Export.
21414 (copy_decl_for_dup): Split into ...
21415 (copy_decl_for_dup_finish, copy_decl_to_var,
21416 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21417 (replace_ref_tree, inlining_p): Remove.
21419 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21421 * ifcvt.c (if_convert): Make it static.
21422 * rtl.h: Remove the prototype for if_convert.
21424 * local-alloc.c (local_alloc): Make it static.
21425 * rtl.h: Remove the prototype for local_alloc.
21427 * loop.c (loop_optimize): Make it static.
21428 * cfgloop.h: Remove the prototype for loop_optimize.
21431 2006-01-16 DJ Delorie <dj@redhat.com>
21433 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21436 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21438 * pa.md: Disparage copies between general and floating-point registers
21439 in 32-bit move patterns.
21441 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21444 * Makefile.in (check-%): Depend on site.exp instead of
21445 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21448 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21450 * global.c (global_alloc): Make it static.
21451 * rtl.h: Remove the prototype for global_alloc.
21453 2006-01-16 Richard Guenther <rguenther@suse.de>
21455 * tree-ssa-alias.c (struct used_part): Add write_only field.
21456 (get_or_create_used_part_for): Initialize it to true.
21457 (create_overlap_variables_for): Don't create structure variables
21458 for structures that only are written to.
21459 (find_used_portions): Handle MODIFY_EXPR to track whether a
21460 structure is only written to.
21462 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21464 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21466 * basic-block.h: Remove the prototype for
21467 partition_hot_cold_basic_blocks.
21469 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21471 * cppspec.c (lang_specific_spec_functions): Remove.
21472 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21473 * gcc.h (lang_specific_spec_functions): Remove.
21474 * gccspec.c (lang_specific_spec_functions): Remove.
21476 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21478 * combine.c (record_value_for_reg): Invalidate registers
21480 (record_dead_and_set_regs_1): Likewise, by passing them to
21481 record_value_for_reg.
21482 (record_dead_and_set_regs): Invalidate stores made by a
21483 call. We do not combine across a call, but we still
21484 relied on equivalences.
21486 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21488 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21489 vrp_int_const_binop returning non-constant nodes.
21491 2006-01-16 Paul Brook <paul@codesourcery.com>
21493 * config/m68k/m68k.c (output_move_const_into_data_reg):
21494 Output correct mnemonic for mvz and mvs.
21496 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21498 * rtl-factoring.c: Add sequence abstraction algorithm.
21499 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21500 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21502 (block_has_preserve_label): New function.
21503 * common.opt: Register new pass.
21504 * Makefile.in: Ditto.
21506 * timevar.def: Ditto.
21507 * tree-pass.h: Ditto.
21508 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21509 * rtl.h (make_jump_insn_raw): Add forward decl.
21510 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21512 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21513 Roger Sayle <roger@eyesopen.com>
21515 * fold-const.c (fold_minmax): New static function.
21516 (fold_binary) <MIN_EXPR>: Call it.
21517 <MAX_EXPR>: Likewise.
21518 * stor-layout.c (place_field): Use DECL_SIZE consistently
21519 in the computation of the new record size.
21521 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21523 * cse.c (cse_condition_code_reg): Make it static.
21524 * rtl.h: Remove the prototype for cse_condition_code_reg.
21526 * combine.c (combine_instructions): Make it static.
21527 * rtl.h: Remove the prototype for combine_instructions.
21529 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21532 * tree.c (get_file_function_name_long): Concatenate the first global
21533 object name with a string derived from the input filename of the object
21536 2006-01-16 Ben Elliston <bje@au.ibm.com>
21538 * config/i386/winnt-stubs.c: Update FSF address.
21539 * config/xtensa/ieee754-df.S: Ditto.
21540 * config/xtensa/ieee754-sf.S: Ditto.
21542 2006-01-14 Ian Lance Taylor <ian@airs.com>
21544 * ifcvt.c (noce_init_if_info): New static function, broken out of
21545 noce_process_if_block.
21546 (noce_process_if_block): Call noce_init_if_info.
21547 (check_cond_move_block): New static function.
21548 (cond_move_process_if_block): New static function.
21549 (process_if_block): Call cond_move_process_if_block.
21551 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21553 * cselib.c (hash_table): Rename to cselib_hash_table.
21554 (cselib_clear_table, discard_useless_values,
21555 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21556 cselib_init, cselib_finish): Adjust uses of hash_table.
21558 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21560 PR tree-optimization/25485
21561 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21562 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21563 is known to be false and true, respectively.
21565 2006-01-14 Richard Guenther <rguenther@suse.de>
21567 PR tree-optimization/22548
21568 PR tree-optimization/22555
21569 PR tree-optimization/22501
21570 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21571 * params.def (salias-max-array-elements): New parameter.
21572 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21573 * doc/invoke.texi (salias-max-array-elements): Document.
21574 * tree-flow-inline.h (var_can_have_subvars): We also handle
21576 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21578 * tree-ssa-structalias.c (params.h): Include.
21579 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21580 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21581 (get_constraint_for): For ADDR_EXPR operating on something
21582 containing an ARRAY_REF, add all subvars to the solution.
21583 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21584 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21585 for creating MUST_DEFs.
21586 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21588 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21590 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21592 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21593 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21594 number_of_iterations_le): New functions.
21595 (number_of_iterations_special): Removed.
21596 (number_of_iterations_exit): Do not use number_of_iterations_special.
21597 * tree.c (unsigned_type_for): Always return integer type.
21599 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21600 Richard Guenther <rguenther@suse.de>
21602 PR rtl-optimization/24257
21603 * gcse.c (find_moveable_store): Only consider a store movable
21604 when the SET_SRC of the insn can be assigned to a register.
21606 2006-01-14 Ian Lance Taylor <ian@airs.com>
21608 * tree.c (tree_not_class_check_failed): New function.
21609 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21610 (tree_not_class_check_failed): Declare.
21612 2006-01-13 Ian Lance Taylor <ian@airs.com>
21614 * reload1.c (do_output_reload): Add assertion rejecting a
21617 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21619 * combine.c (struct reg_stat): Add new fields truncation_label and
21621 (record_value_for_reg): Reset truncated_to_mode.
21622 (record_truncated_value): New function.
21623 (check_promoted_subreg): Call it. Rename to check_conversions.
21624 (combine_instructions): Rename check_promoted_subreg to
21626 (reg_truncated_to_mode): New function.
21627 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21628 (gen_lowpart_or_truncate): New function.
21629 (force_to_mode): Use it instead of gen_lowpart.
21631 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21633 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21634 VAR is a tag, not its type tag.
21636 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21638 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21639 alternatives to match style of other entries.
21640 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21642 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21644 PR tree-optimization/25771
21645 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21648 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21651 * tree-inline.c (declare_return_variable): If the return variable
21652 was marked as a non gimple complex, set the return slot variable
21653 to be a non gimple comple variable.
21655 2006-01-13 Richard Guenther <rguenther@suse.de>
21657 * builtins.c (expand_builtin_sincos): New function.
21658 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21660 (expand_builtin): Expand sincos using expand_builtin_sincos.
21662 2006-01-12 DJ Delorie <dj@redhat.com>
21664 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21665 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21666 so that constant shifts can be split.
21667 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21668 (m32c_valid_pointer_mode): Make static.
21669 (shift_gen_func_for): New.
21670 (m32c_prepare_shift): Use it. Split large const shifts into
21672 * config/m32c/predicates.md (shiftcount_operand): Allow more
21674 (longshiftcount_operand): New.
21675 * doc/md.texi (Machine Constraints): Document In6.
21677 2006-01-13 Ben Elliston <bje@au.ibm.com>
21679 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21680 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21683 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21685 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21686 to try to avoid clobbering pieces of structures when we know
21687 something about the whole structure.
21688 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21690 2006-01-13 Ben Elliston <bje@au.ibm.com>
21692 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21693 return in memory, as this is no limitation is no longer present.
21695 2006-01-12 DJ Delorie <dj@redhat.com>
21697 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21698 mova with fb, and for fb+0 -> An.
21700 * config/m32c/mov.md (peephole2): Fix enabling logic.
21702 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21703 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21704 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21705 FINI_ARRAY_SECTION_ASM_OP): Define.
21707 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21709 (m32c_legitimize_reload_address): New logic to reload FB to An.
21710 (m32c_output_reg_push): Add newline.
21711 (m32c_output_reg_pop): Likewise.
21713 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21715 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21717 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21719 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21721 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21723 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21726 2006-01-11 Ben Elliston <bje@au.ibm.com>
21728 * rtlanal.c (find_reg_note): Assert insn is not null.
21730 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21732 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21735 2006-01-11 Jeff Law <law@redhat.com>
21737 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21739 (mark_threaded_blocks, register_jump_thread): New functions.
21740 (thread_through_all_blocks): Remove unwanted argument. No
21741 longer rely on e->aux to communicate thread target info.
21742 Call mark_threaded_blocks. Release the threaded_blocks
21743 bitmap and threaded_edges vector when complete.
21744 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21745 (threaded_blocks): Remove.
21746 (tree_ssa_dominator_optimize): Remove initialization and
21747 finalization of threaded_blocks. Simplify call to
21748 thread_through_all_blocks.
21749 (thread_across_edge): Call register_jump_thread rather than
21750 storing thread information into e->aux.
21751 (free_all_edge_infos): Simplify now that e->aux is no longer
21752 used to communicate with thread_through_all_blocks.
21753 * tree-flow.h (thread_through_all_blocks): Update prototype.
21754 (register_jump_thread): Prototype.
21756 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21758 * df-core.c (df_compact_blocks, df_bb_replace): Use
21759 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21761 2006-01-11 Richard Guenther <rguenther@suse.de>
21763 PR tree-optimization/25734
21764 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21765 stop propagation after successful propagation to the LHS.
21767 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21769 * basic-block.h (control_flow_graph): Change the type of
21770 x_basic_block_info to VEC(basic_block,gc) *.
21771 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21773 (SET_BASIC_BLOCK): New.
21774 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21775 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21776 * cfgbuild.c (find_basic_blocks): Likewise.
21777 * cfglayout.c (fixup_reorder_chain): Likewise.
21778 * cfgrtl.c (create_basic_block_structure,
21779 rtl_create_basic_block): Likewise.
21780 * ifcvt.c (find_if_case_1): Likewise.
21781 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21784 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21786 * Makefile.in: Removed rotted odf.c entry.
21788 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21791 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21792 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21793 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21794 output pattern modifier, not %e.
21795 * config/cris/cris.c (cris_op_str): Update comment about pattern
21797 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21798 before falling through into...
21799 <case 'E'>: Redefined from old 'e' case.
21801 2006-01-11 Jan Hubicka <jh@suse.cz>
21804 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21806 2006-01-11 Jan Hubicka <jh@suse.cz>
21808 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21809 * i386.c (x86_decompose_lea): Kill.
21810 (ix86_rtx_costs): Kill.
21812 2006-01-11 Jan Hubicka <jh@suse.cz>
21814 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21815 * cgraph.h (cgraph_node): Add inline_decl.
21816 (cgraph_insert_node_to_hashtable): Declare.
21817 (save_inline_function_body): Declare.
21818 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21820 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21821 (cgraph_function_versioning): Update call of tree_function_versioning.
21822 (save_inline_function_body): New function.
21823 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21824 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21825 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21826 (cgraph_default_inline_p): Likewise.
21827 (cgraph_decide_inlining_incrementally): Likewise.
21828 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21829 (copy_bb): Kill saving; do updating of clones.
21830 (copy_cfg_body): Kill saving.
21831 (initialize_inlined-parameters): Likewise.
21832 (expand_call_inline): Likewise.
21834 (tree_function_versioning): New parameter "update_clones".
21835 (inlining_p): Kill saving.
21836 * tree-inline.h (tree_function_versioning): Update prototype.
21837 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21840 2006-01-11 Ian Lance Taylor <ian@airs.com>
21842 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21843 Allow undoing set of machine mode.
21844 (do_SUBST): Use enums instead of is_int.
21845 (do_SUBST_MODE): New function.
21846 (SUBST_MODE): New macro.
21847 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21848 reg and trying to replace reg_regno_rtx with a new register.
21849 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21850 (simplify_set): Use SUBST_MODE.
21851 (distribute_notes): Remove code that tried to update reg notes
21852 for regno_reg_rtx changes.
21854 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21856 PR tree-optimization/23109
21857 PR tree-optimization/23948
21858 PR tree-optimization/24123
21860 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21861 * tree-cfg.c (single_noncomplex_succ): New.
21862 * tree-flow.h (single_noncomplex_succ): Declare it.
21863 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21864 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21865 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21866 insert_bb, register_division_in, insert_reciprocals,
21867 replace_reciprocal, free_bb): New.
21868 (execute_cse_reciprocals_1): Rewritten.
21869 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21870 Do not commit any edge insertion. Always compute dominators and
21871 create the allocation pool.
21872 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21873 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21874 * targhooks.c (default_min_divistions_for_recip_mul): New.
21875 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21876 * passes.c (init_optimization_passes): Run recip after tree loop
21878 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21880 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21881 Kenneth Zadeck <zadeck@naturalbridge.com>
21883 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21884 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21885 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21886 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21887 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21888 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21889 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21890 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21891 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21892 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21893 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21894 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21895 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21896 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21897 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21898 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21899 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21900 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21901 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21902 DF_SCAN_POST_ALLOC): New macros.
21903 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21904 df_free_bb_function, df_local_compute_function, df_init_function,
21905 df_dataflow_function, df_confluence_function_0,
21906 df_confluence_function_n, df_transfer_function,
21907 df_finalizer_function, df_free_function, df_dump_problem_function,
21908 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21909 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21910 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21911 df_urec_bb_info, ) New types.
21912 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21914 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21915 df_analyze_simple_change_some_blocks,
21916 df_analyze_simple_change_one_block, df_compact_blocks,
21917 df_bb_replace, df_bb_regno_last_use_find,
21918 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21919 df_insn_regno_def_p, df_find_def, df_find_use,
21920 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21921 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21922 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21923 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21924 debug_df_chain, df_get_dependent_problem, df_chain_create,
21925 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21926 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21927 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21928 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21929 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21930 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21931 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21932 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21933 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21934 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21935 df_reorganize_refs, df_set_state, df_hard_reg_init,
21936 df_read_modify_subreg_p) New public functions.
21937 * df-core.c: The core dataflow solver and glue routines for rtl
21939 (df_init, df_add_problem, df_set_blocks, df_finish,
21940 df_hybrid_search_forward, df_hybrid_search_backward,
21941 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21942 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21943 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21944 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21945 df_reg_defined, df_find_use, df_reg_used, df_dump,
21946 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21947 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21948 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21949 debug_df_useno, reset_df_after_reload): New functions.
21950 * df-scan.c: The scanning fuctions, once in df.c, completely
21951 rewritten so that they now fully model the functionality of
21952 register usage at the backend.
21953 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21954 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21955 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21956 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21957 df_get_artificial_defs, df_get_artificial_uses,
21958 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21959 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21960 df_refs_delete, df_reorganize_refs, df_set_state,
21961 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21962 df_def_record_1, df_defs_record, df_uses_record,
21963 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21964 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21965 df_record_exit_block_uses, df_hard_reg_init): New functions.
21967 * df-problems.c: Seven concrete dataflow problems that use the
21968 scanning in df-scan.c and are solved by the engine in df-core.c.
21969 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21970 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21971 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21972 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21973 df_ru_free_bb_info, df_ru_alloc,
21974 df_ru_bb_local_compute_process_def,
21975 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21976 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21977 df_ru_transfer_function, df_ru_free, df_ru_dump,
21978 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21979 df_rd_free_bb_info, df_rd_alloc,
21980 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21981 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21982 df_rd_transfer_function, df_rd_free, df_rd_dump,
21983 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21984 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21985 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21986 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21987 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21988 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21989 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21990 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21991 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21992 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21993 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21994 df_urec_mark_reg_use_for_earlyclobber,
21995 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21996 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21997 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21998 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21999 df_chain_create_bb_process_use, df_chain_create_bb,
22000 df_chain_finalize, df_chain_free, df_chains_dump,
22001 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22002 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22003 df_reg_lifetime): New functions.
22004 * df.c: Deleted file.
22005 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22006 consistent with new df api.
22007 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22008 rest_of_handle_sms): Ditto.
22009 * web.c (unionfind_union, union_defs, entry_register, web_main):
22011 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22012 invariant_expr_equal_p, find_defs, check_dependencies,
22013 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22014 free_inv_motion_data, move_loop_invariants): Ditto.
22015 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22016 Update dependencies.
22017 (odf.c): Added defective entry that was deleted later in day.
22018 * sched-deps.c (sched_analyze_1): Ditto.
22020 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22022 * tree-ssa-operands.c (get_expr_operands): Record addressable
22023 variables directly. Do not call add_stmt_operands for CONST_DECLs
22025 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22026 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22028 2006-01-11 Ben Elliston <bje@au.ibm.com>
22030 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22031 function returns true in the positive case.
22033 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22036 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22037 for SI, DI, SF and DF modes. Add alternatives to copy between
22038 general and floating point registers to the 32-bit patterns.
22039 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22040 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22041 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22042 generating 64-bit code.
22043 * config/pa/pa.c (output_move_double): Handle copies between general
22044 and floating registers.
22046 2006-01-10 Stuart Hastings <stuart@apple.com>
22048 * config/i386/i386.md (set_got): Update.
22049 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22050 (builtin_setjmp_receiver): Mach-O support.
22051 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22052 (GOT_SYMBOL_NAME): Define.
22053 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22054 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22055 * config/i386/i386.c (override_options): Revise for Darwin.
22056 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22057 support. (darwin_x86_file_end): New. (output_set_got): Add label
22058 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22059 * config/i386/i386-protos.h (output_set_got): Likewise.
22060 * config/darwin.c (machopic_legitimize_pic_address): Update
22063 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22065 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22066 when MODE isn't BLKmode.
22068 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22070 PR rtl-optimization/25367
22071 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22073 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22076 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22077 for a negative bound.
22079 2006-01-10 Richard Guenther <rguenther@suse.de>
22081 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22082 Never override with anything constraint.
22084 2006-01-10 Jan Beulich <jbeulich@novell.com>
22086 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22087 256 bits when optimize_size.
22089 2006-01-10 Jan Beulich <jbeulich@novell.com>
22091 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22093 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22094 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22097 2006-01-10 Ben Elliston <bje@au.ibm.com>
22099 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22101 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22102 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22103 (USE_FP_FOR_ARG): Reject decimal float modes.
22104 (function_arg_advance): Likewise.
22105 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22106 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22107 point types in AltiVec vectors.
22108 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22109 (rs6000_libcall_value): Likewise.
22111 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22113 * config/xtensa/ieee754-df.S: New file.
22114 * config/xtensa/ieee754-sf.S: New file.
22115 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22116 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22117 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22119 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22121 * config/sh/predicates.md (binary_float_operator,
22122 binary_logical_operator, commutative_float_operator,
22123 equality_comparison_operator, greater_comparison_operator,
22124 less_comparison_operator, logical_operator,
22125 noncommutative_float_operator, shift_operator,
22126 symbol_ref_operand, unary_float_operator): Remove redundant
22129 2006-01-09 Jeff Law <law@redhat.com>
22131 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22132 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22133 now unused arguments. Callers updated.
22134 (eliminate_redundant_computations): Remove now unused arguments,
22136 (local_fold): Remove, no longer used.
22137 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22139 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22140 (simplify_cond): New function.
22141 (forward_propagate_into_cond): Call simplify_cond.
22143 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22145 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22146 (*vec_extractv2di_1_sse): New.
22148 2006-01-09 Ben Elliston <bje@au.ibm.com>
22150 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22152 2006-01-08 Richard Guenther <rguenther@suse.de>
22154 * tree-ssa-structalias.c (get_constraint_for): Remove
22155 anyoffset argument.
22156 (get_constraint_for_component_ref): Likewise.
22157 (do_deref): Likewise.
22158 (get_constraint_for): Likewise.
22159 (do_structure_copy): Likewise.
22160 (handle_ptr_arith): Likewise.
22161 (find_func_aliases): Likewise. Remove unused need_anyoffset
22164 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22165 Kaz Kojima <kkojima@gcc.gnu.org>
22167 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22168 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22169 (EXTRA_CONSTRAINT_C16): Remove.
22170 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22171 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22172 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22173 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22174 constants of SHmedia. Handle nested constant expressions of
22176 (andcosts): Fix the costs for SHmedia constants.
22177 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22178 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22179 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22180 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22181 (movv4hi_i, movv2si_i): Likewise.
22182 (movsi_const): Adjust the second operand of ior so to match with
22183 the Csu constraint.
22184 (movdi_const, movdi_const_32bit): Likewise.
22185 (movdi_const_16bit+1): Don't sign-extend LOW.
22186 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22188 (*double_shori): Fix the split condition. Use GEN_INT instead
22189 of get_int_mode calls. Mask lower 16-bit of the argument of
22191 (sym2GOTPLT): Remove.
22192 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22194 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22195 instead of EXTRA_CONSTRAINT_C16.
22197 2006-01-07 Ian Lance Taylor <ian@airs.com>
22198 David Edelsohn <edelsohn@gnu.org>
22200 PR rtl-optimization/25662
22201 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22202 for constant operands instead of simplify_gen_binary.
22203 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22204 after trying simplify_binary_operation
22206 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22208 * tree.c (iterative_hash_expr): Hash decls based on UID.
22210 2006-01-06 Eric Christopher <echristo@apple.com>
22212 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22213 (TARGET_UNWIND_EMIT): Fix spelling.
22214 * target.h (gcc_target): Add except_table_label.
22215 * except.c (output_function_exception_table): Use.
22216 * varasm.c (default_emit_except_table_label): New.
22217 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22219 (asm_out): Add here.
22220 * output.h (default_emit_except_table_label): Prototype.
22221 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22222 * config/darwin.c (darwin_emit_except_table_label): Define.
22223 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22225 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22227 PR tree-optimization/18527
22228 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22229 number_of_iterations_special, number_of_iterations_exit):
22230 Move base and step of an iv to a single structure. Add
22231 no_overflow flag, and use it in # of iterations analysis.
22232 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22233 folded_casts argument.
22234 (simple_iv): Pass base and step in a structure. Set no_overflow
22236 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22237 Evaluate expensiveness of computing # of iterations instead of
22238 the final expression.
22239 * tree-scalar-evolution.h (affine_iv): New structure.
22240 (simple_iv): Declaration changed.
22241 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22242 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22243 find_givs_in_stmt): Changed due to simple_iv change.
22245 2006-01-06 Jeff Law <law@redhat.com>
22248 * tree-cfg.c (bsi_replace): Rename final argument from
22249 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22250 change (stmt -> orig_stmt).
22251 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22252 (bsi_remove): Add new argument. Remove EH information
22254 (verify_eh_throw_table_statements): New function.
22255 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22257 * tree-optimize.c (execute_free_cfg_annotations): Verify
22258 the EH throw statement table after removing annotations.
22259 * except.h (verify_eh_throw_table_statements): Prototype.
22260 * tree-flow.h (bsi_remove): Update prototype.
22261 * tree-vrp.c (remove_range_assertions): Add new argument to
22263 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22264 * tree-complex.c (expand_complex_div_wide): Likewise.
22265 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22266 * tree-tailcall.c (eliminate_tailcall): Likewise.
22267 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22268 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22269 * tree-nrv.c (tree_nrv): Likewise.
22270 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22271 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22272 (combine_blocks): Likewise.
22273 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22274 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22275 (cleanup_control_flow): Likewise.
22276 (remove_forwarder_block): Likewise.
22277 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22278 * tree-sra.c (sra_replace): Likewise.
22279 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22280 (forward_propagate_single_use_vars): Likewise.
22281 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22282 * tree-inline.c (expand_call_inline): Likewise.
22283 * tree-vect-transform.c (vect_transform_loop): Likewise.
22284 * tree-outof-ssa.c (rewrite_trees): Likewise.
22285 * tree-cfg.c (make_goto_expr_edges): Likewise.
22286 (cleanup_dead_labels): Likewise.
22287 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22288 (bsi_move_before, bsi_move_after): Likewise.
22289 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22290 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22292 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22295 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22297 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22298 on non gimple variables. Also add checks at the top for decls and
22300 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22302 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22303 and IMAGPART_EXPR for creating MUST_DEFs.
22304 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22305 and NAME_MEMORY_TAG separately from the DECLs.
22307 2006-01-06 Richard Guenther <rguenther@suse.de>
22309 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22310 annotation, if necessary.
22311 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22312 redundant calls to update_stmt.
22313 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22316 2006-01-05 Richard Henderson <rth@redhat.com>
22318 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22320 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22322 * c-typeck.c: Update copyright date.
22324 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22326 * c-typeck.c (build_c_cast): Always warn when casting
22327 from a pointer to an integer of different size, even if
22328 the node was constant.
22330 2006-01-05 Richard Guenther <rguenther@suse.de>
22332 PR tree-optimization/22555
22333 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22334 if one structure field is an array.
22335 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22336 operands even if we found a subvar, but ignore VOPs in this
22338 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22340 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22342 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22344 PR middle-end/24998
22345 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22347 2006-01-05 Richard Guenther <rguenther@suse.de>
22348 Diego Novillo <dnovillo@redhat.com>
22350 * tree-pass.h (TODO_remove_unused_locals): Define.
22351 * gimple-low.c (expand_var_p, remove_useless_vars,
22352 pass_remove_useless_vars): Remove. Update all users.
22353 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22354 (remove_unused_locals): New function.
22355 * tree-flow.h (remove_unused_locals): Declare.
22356 * passes.c (execute_todo): Call remove_unused_locals if
22357 TODO_remove_unused_locals is set.
22358 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22359 * tree-ssa-dce.c (pass_dce): Likewise.
22360 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22362 2006-01-05 Richard Guenther <rguenther@suse.de>
22364 * tree-flow.h (struct fieldoff): Decompose field to
22365 type, size and decl.
22366 * tree-ssa-alias.c (create_sft): Take type as parameter.
22367 (create_overlap_variables_for): Store type, size and decl
22368 in the fieldoff structure.
22369 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22370 of struct fieldoff.
22371 (push_fields_onto_fieldstack): Likewise.
22372 (create_variable_info_for): Likewise. Use offset for the
22373 SFT name if the decl is not available.
22375 2006-01-04 Paul Brook <paul@codesourcery.com>
22377 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22379 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22381 * lambda-code.c (can_put_in_inner_loop): Relax
22383 (can_put_after_inner_loop): New function.
22384 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22385 (perfect_nestify): Change to make copies and modify uses.
22387 2006-01-04 Richard Henderson <rth@redhat.com>
22389 Merge from gomp branch:
22390 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22391 via integer constant.
22392 (pragma_lex): Remove.
22393 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22394 rather than parsing it.
22395 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22396 handle_pragma_extern_prefix): Add %< %> quotes.
22397 (registered_pragmas): New.
22398 (c_register_pragma_1): New.
22399 (c_register_pragma): Use it.
22400 (c_register_pragma_with_expansion): Likewise.
22401 (c_invoke_pragma_handler): New.
22402 (init_pragma): Use cpp_register_deferred_pragma directly for
22404 * c-pragma.h (enum pragma_kind): New.
22405 (pragma_handler): New.
22406 (c_invoke_pragma_handler): Declare.
22407 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22409 * c-common.h (c_common_pch_pragma): Update decl.
22410 * Makefile.in (c-parser.o): Update dependencies.
22411 (GTFILES): Add c-pragma.h.
22412 * c-parser.c (struct c_token): Add pragma_kind.
22413 (struct c_parser): Add in_pragma.
22414 (c_lex_one_token): Always initialize keyword and pragma_kind.
22415 Extract data for CPP_PRAGMA.
22416 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22417 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22418 Don't allow CPP_PRAGMA_EOL if in_pragma.
22419 (c_parser_consume_pragma): New.
22420 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22421 (c_parser_skip_to_end_of_parameter): Likewise.
22422 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22423 (c_parser_skip_to_pragma_eol): New.
22424 (c_parser_external_declaration): Handle CPP_PRAGMA.
22425 (c_parser_compound_statement_nostart): Likewise.
22426 (c_parser_statement_after_labels): Likewise.
22427 (c_parser_pragma): New.
22428 (pragma_lex): Likewise.
22429 (c_parser_pragma_pch_preprocess): New.
22430 (c_parser_new): Merge into ...
22431 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22433 2006-01-04 Jeff Law <law@redhat.com>
22436 * tree-cfg.c (bsi_replace): Remove the original statement
22437 from the EH throw statement table.
22439 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22441 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22442 make the prototype extern "C" and add throw ().
22445 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22446 and pos non-negative and pos + len <= 32.
22447 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22448 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22449 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22452 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22453 as well as sizes not multiple of component size.
22456 * function.c (instantiate_expr): New function.
22457 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22458 walk its DECL_VALUE_EXPR with instantiate_expr.
22460 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22461 DW_OP_deref{,_size} if address isn't going to be added.
22463 2006-01-04 Ben Elliston <bje@au.ibm.com>
22465 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22466 * config/fp-bit.c: Likewise.
22468 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22470 * dominance.c: Add comment about why we use DFS numbering
22473 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22474 Richard Henderson <rth@redhat.com>
22476 Merge from gomp-branch:
22477 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22478 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22480 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22482 PR rtl-optimization/25578
22483 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22484 pass a parameter to simplify_shift_const if changing ASHIFTRT
22487 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22489 * builtins.c (get_builtin_sync_mem): New function.
22490 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22491 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22492 Call get_builtin_sync_mem to generate mem rtx.
22494 2006-01-03 Richard Guenther <rguenther@suse.de>
22497 * stmt.c (add_case_node): Make sure to clear overflow flags
22500 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22502 Merge from gomp-branch.
22503 * config/sparc/sync.md: New file.
22504 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22505 UNSPECV_LDSTUB): New constants.
22506 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22507 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22508 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22511 2006-01-03 Roger Sayle <roger@eyesopen.com>
22513 * combine.c (reg_subword_p): New predicate to test whether the
22514 destination of a set refers to a subword/piece of a register.
22515 (try_combine): Generalize the code to merge the setting of a
22516 pseudo to a constant followed by a set of a subword of that
22517 register to a constant.
22519 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22521 * basic-block.h (control_flow_graph): Change the type of
22522 x_label_to_block_map to VEC(basic_block,gc) *.
22523 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22524 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22526 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22527 VEC(basic_block,heap) *.
22528 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22529 ssa_prop_fini): Adjust the uses of cfg_blocks.
22531 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22533 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22535 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22536 hashing trees instead of a pointer hash.
22537 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22538 compare for MEM_EXPR.
22540 PR rtl-optimization/25130
22541 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22542 when comparing MEMs for GCSE
22544 2006-01-03 Ben Elliston <bje@au.ibm.com>
22546 * targhooks.h (default_decimal_float_supported_p): Declare.
22547 * targhooks.c (default_decimal_float_supported_p): Define.
22548 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22549 `default_decimal_float_supported_p'.
22550 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22552 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22554 * combine.c (apply_distributive_law <SUBREG>): Check
22555 TRULY_NOOP_TRUNCATION.
22557 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22559 * dwarf2out.c (have_switched_text_section): Delete.
22560 (have_multiple_function_sections): New.
22561 (have_location_lists): Make 'bool'.
22562 (add_AT_loc_list): Use 'true' not '1'.
22563 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22564 (output_loc_list): Use have_multiple_function_sections.
22565 (output_ranges): Likewise.
22566 (dwarf2out_begin_function): Set have_multiple_function_sections if
22568 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22569 Check function_section rather than DECL_SECTION_NAME.
22570 (dwarf2out_finish): Use have_multiple_function_sections.
22571 Don't clear have_location_lists.
22573 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22574 Jan Hubicka <jh@suse.cz>
22576 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22577 case of conditional jump jumping to the next instruction.
22578 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22579 cases of conditional jump jumping to the next instruction.
22581 2006-01-02 Jan Hubicka <jh@suse.cz>
22583 * i386.c (*_cost): Add COSTS_N_INSNS.
22584 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22586 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22589 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22591 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22593 * config/arm/arm.c (all_fpus): Fix comment typo.
22594 * config/darwin.c: Likewise.
22595 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22596 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22597 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22599 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22601 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22602 (rs6000_split_compare_and_swapqhi): New.
22603 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22604 (sync_compare_and_swapqhi_internal): New.
22605 * config/rs6000/rs6000-protos.h: Declare.