1 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
3 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
4 can't handle the pointer arithmetic.
6 2006-12-11 Diego Novillo <dnovillo@redhat.com>
8 * doc/tree-ssa.texi: Update documentation for virtual operands
9 and the use of push_stmt_changes/pop_stmt_changes.
10 * doc/invoke.texi: Remove documentation for params
12 Update documentation on max-aliased-vops.
14 * tree-into-ssa.c: Cleanup comments, variables and
15 spacing in various functions.
16 (regs_to_rename): Declare.
17 (mem_syms_to_rename): Declare.
18 (dump_update_ssa): Declare.
19 (debug_update_ssa): Declare.
20 (dump_names_replaced_by): Declare.
21 (debug_names_replaced_by): Declare.
22 (dump_def_blocks): Declare.
23 (debug_def_blocks): Declare.
24 (dump_defs_stack): Declare.
25 (debug_defs_stack): Declare.
26 (dump_currdefs): Declare.
27 (debug_currdefs): Declare.
28 (mark_def_sites): Do not handle virtual operands.
29 (compute_idf): Rename from find_idf. Update users.
30 (register_new_def): Make local. Convert second argument
32 Use BLOCK_DEFS_STACK directly.
33 If pushing a non-register, also push the underlying
35 (rewrite_stmt): Do not handle virtual operands.
36 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
37 dump_currdefs and dump_tree_ssa_stats.
38 (dump_tree_ssa_stats): Also dump REPL_TBL.
39 (replace_use): Remove. Update all users to call SET_USE
41 (rewrite_blocks): Move code to free memory to
43 (mark_def_site_blocks): Move initialization code to
45 (init_ssa_renamer): New.
46 (fini_ssa_renamer): New.
47 (rewrite_into_ssa): Call them.
48 (prepare_block_for_update): Process SSA_OP_ALL_USES first
49 and SSA_OP_ALL_DEFS later. Do not process virtual
51 (dump_update_ssa): Call dump_decl_set.
52 (init_update_ssa): Initialize regs_to_rename and
54 Call init_ssa_renamer.
55 (delete_update_ssa): Call fini_ssa_renamer.
56 Free blocks_with_phis_to_rewrite.
57 (mark_sym_for_renaming): If the variable has
58 sub-variables, also mark them.
59 If the variable belongs to a partition, also mark it.
60 (mark_set_for_renaming): Call mark_sym_for_renaming on
61 every symbol in the set.
62 (switch_virtuals_to_full_rewrite): Call
63 mark_set_for_renaming.
64 (update_ssa): Separate syms_to_rename into regs_to_rename
65 and mem_syms_to_rename.
67 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
68 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
69 (debug_generic_stmt): Likewise.
70 (debug_tree_chain): Likewise.
72 (dump_generic_node): Check for TDF_MEMSYMS.
73 Handle MEMORY_PARTITION_TAG.
74 If the statement references memory and TDF_MEMSYMS is
75 given, call dump_symbols.
76 Indicate default names with (D).
77 (dump_vops): Update for new virtual operator format.
79 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
81 (tree_code_size): Handle MEMORY_PARTITION_TAG.
82 (tree_node_structure): Likewise.
83 (needs_to_live_in_memory): Handle SSA names.
84 * tree.h (MTAG_P): Likewise.
85 (struct tree_memory_partition_tag): Declare.
86 (MPT_SYMBOLS): Define.
87 (union tree_node): Add field 'mpt'.
88 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
89 * tree.def (MEMORY_PARTITION_TAG): Define.
91 * tree-pass.h (TDF_MEMSYMS): Define.
93 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
95 * tree-ssa-alias.c: Include pointer-set.h
96 (struct alias_map_d): Remove fields total_alias_vops,
97 grouped_p and may_aliases. Update all users.
98 (struct mp_info_def): Declare.
99 (mp_info_t): New type.
100 (get_smt_for): Rename from get_tmt_for. Update all
102 (add_may_alias): Add argument ALREADY_ADDED. If given,
103 use it to avoid adding duplicate entries to alias sets.
104 (replace_may_alias): Remove. Update all users.
105 (total_alias_vops_cmp): Remove. Update all users.
106 (group_aliases_into): Remove. Update all users.
107 (tree_pointer_compare): Remove. Update all users.
108 (compact_name_tags): Remove. Update all users.
109 (group_aliases): Remove. Update all users.
110 (mark_non_addressable): Move from tree-flow-inline.h.
111 Remove the symbol from the partition holding it, if
114 (debug_mp_info): New.
116 (create_partition_for): New.
117 (rewrite_alias_set_for): New.
118 (compute_memory_partitions): New.
119 (compute_may_aliases): Call it.
120 (init_alias_info): If computing aliases for the first
121 time, mark every memory symbol for renaming.
122 (have_common_aliases_p): New.
123 (compute_flow_insensitive_aliasing): Call it.
124 (setup_pointers_and_addressables): Do not cache
126 For register promoted symbols, mark their former
127 partition for renaming.
128 (maybe_create_global_var): Only create .GLOBAL_VAR if
129 there are no call-clobbered variables and a mix of pure
130 and non-pure functions were found.
131 (may_alias_p): Tidy comments.
132 (create_tag_raw): Remove unused variable new_type.
133 (dump_alias_info): call dump_memory_partitions.
134 (dump_points_to_info_for): Call dump_decl_set.
135 (may_be_aliased): Tidy comments and formatting.
137 * timevar.def (TV_MEMORY_PARTITIONING): Define.
138 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
139 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
141 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
142 * tree-vect-transform.c (vect_transform_loop): Call
143 mark_set_for_renaming with vect_memsyms_to_rename.
144 * tree-flow-inline.h (zero_imm_uses_p): New.
145 (memory_partition): New.
146 (set_memory_partition): New.
147 (factoring_name_p): New.
148 (symbol_mem_tag): New. Update every function that used
149 to access the annotation directly.
150 (set_symbol_mem_tag): Likewise.
152 * tree-ssa-copy.c (may_propagate_copy): Allow copies
153 between a partition and a symbol as long as the symbol
154 belongs to the partition.
155 (merge_alias_info): Ignore merge requests when memory
156 partitions are involved.
158 * tree-ssa.c (verify_ssa_name): Check that default
159 definitions have empty defining statements.
160 (verify_use): Remove argument IS_VIRTUAL.
161 Don't call verify_ssa_name.
162 (verify_phi_args): Call verify_ssa_name.
163 (verify_flow_insensitive_alias_info): Handle MPTs.
164 (verify_flow_sensitive_alias_info): Likewise.
165 (verify_name_tags): Likewise.
166 (verify_call_clobbering): Likewise.
167 (verify_ssa): Check for VOPs only after aliasing
168 information is available.
169 Check virtuals and real operands separately.
170 Call verify_ssa_name on every operand.
171 (stmt_references_memory_p): Move to tree-ssa-operands.c.
172 (walk_use_def_chains_1): Guard against NULL PHI
175 * tree-ssa-operands.c (stmt_references_memory_p): Move from
178 (dump_memory_partitions): New.
179 (debug_memory_partitions): New.
181 * tree-flow.h (struct var_ann_d): Add field mpt.
182 (struct stmt_ann_d): Add bitfield references_memory.
183 * Makefile.in (tree-ssa-structalias.o): Include
185 (tree-ssa-alias.o): Likewise.
186 * tree-ssa-structalias.c: (update_alias_info): Use
187 STORED_SYMS to determine which variables are being
188 written to by the store operation.
189 * tree-ssa-structalias.h (struct alias_info)
190 <total_alias_vops>: Remove. Update all users.
191 <written_vars>: Change to a pointer set. Update all
193 <dereferenced_ptrs_store>: Likewise.
194 <dereferenced_ptrs_load>: Likewise.
195 (NUM_REFERENCES): Remove. Update all users.
196 (NUM_REFERENCES_CLEAR): Remove. Update all users.
197 (NUM_REFERENCES_INC): Remove. Update all users.
198 (NUM_REFERENCES_SET): Remove. Update all users.
200 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
202 (PARAM_MAX_ALIASED_VOPS): Set to 10.
203 * tree-ssanames.c (make_ssa_name): Initialize
204 SSA_NAME_IS_DEFAULT_DEF to 0.
206 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
208 * tree-ssa-dse.c (aggregate_vardecl_d): New.
209 (dse_global_data): Add aggregate_vardecl field.
210 (dse_possible_dead_store_p): New.
211 Add prev_defvar variable.
212 Allow immediate uses and previous immediate uses to differ
213 if they are setting different parts of the whole.
214 (get_aggregate_vardecl): New.
215 (dse_record_partial_aggregate_store): New.
216 (dse_whole_aggregate_clobbered_p): New.
217 (dse_partial_kill_p): New.
218 (dse_optimize_stmt): Abstract code checking a possible dead store
219 into new function dse_possible_dead_store_p().
220 Call dse_maybe_record_aggregate_store().
221 When checking whether a STMT and its USE_STMT refer to the
222 same memory address, check also for partial kills that clobber
224 Move some variable definitions to the block where they are used.
225 (aggregate_vardecl_hash): New.
226 (aggregate_vardecl_eq): New.
227 (aggregate_vardecl_free): New.
228 (aggregate_whole_store_p): New.
229 (tree_ssa_dse): Initialize and free aggregate_vardecl.
230 Mark which aggregate stores we care about.
232 2006-12-11 Andrew Macleod <amacleod@redhat.com>
234 * tree-ssa-operands.h (struct vuse_element_d): Declare.
235 (vuse_element_t): Declare.
236 (struct vuse_vec_d): Declare.
237 (vuse_vec_p): Declare.
238 (VUSE_VECT_NUM_ELEM): Define.
239 (VUSE_VECT_ELEMENT_NC): Define.
240 (VUSE_ELEMENT_PTR_NC): Define.
241 (VUSE_ELEMENT_VAR_NC): Define.
242 (VUSE_VECT_ELEMENT): Define.
243 (VUSE_ELEMENT_PTR): Define.
244 (VUSE_ELEMENT_VAR): Define.
245 (struct maydef_optype_d) <use_var>: Remove.
248 (struct vuse_optype_d) <kill_var>: Remove.
251 (struct mustdef_optype_d) <kill_var>: Remove.
254 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
255 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
258 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
259 (MAYDEF_OP): Add argument. Use VUSE_OP.
260 (MAYDEF_NUM): Define.
261 (MAYDEF_VECT): Define.
262 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
263 (MUSTDEF_KILL): Use VUSE_OP.
264 (MUSTDEF_NUM): Define.
265 (MUSTDEF_VECT): Define.
266 (realloc_maydef): Declare.
267 (realloc_vuse): Declare.
268 (struct ssa_operand_iterator_d) <vuse_index>: Add.
270 (LOADED_SYMS): Define.
271 (STORED_SYMS): Define.
272 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
273 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
275 * tree-pretty-print.c: Likewise.
276 * tree-ssa-dse.c: Likewise.
277 * tree-flow-inline.h: Likewise.
278 (op_iter_next_mustdef): New.
279 * tree-ssa-operands.c: Likewise.
280 (ALLOC_OPTYPE): Remove.
286 (alloc_mustdef): New.
287 (realloc_maydef): New.
290 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
292 * tree-ssa-operands.c: Remove build_v_must_defs.
293 (init_ssa_operands): Delete build_v_must_defs.
294 (finalize_ssa_v_must_def_ops): Remove.
295 (finalize_ssa_v_must_defs): Remove.
296 (finalize_ssa_stmt_operands): Do not call
297 finalize_ssa_v_must_defs.
298 (start_ssa_stmt_operands): Do not check build_v_must_defs.
299 (append_v_must_def): Delete.
300 (copy_virtual_operands): Do not copy V_MUST_DEFs.
301 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
302 comment. Remove opf_kill_def.
303 (build_ssa_operands): Remove references to v_must_defs.
304 (copy_virtual_operands): Same.
305 (copy_virtual_operands): Same.
306 (fini_ssa_operands): Same.
307 (free_ssa_operands): Same.
308 (add_mustdef_op): Remove.
309 Remove mustdef_optype_p.
310 (alloc_mustdef): Remove.
311 Remove references to V_MUST_DEFs in comment at top of file.
312 (get_expr_operands): Remove opf_kill_def.
313 (opf_kill_def): Remove.
314 (add_virtual_operand): Remove opf_kill_def.
315 (get_indirect_ref_operands): Same.
316 (get_tmr_operands): Same.
318 * tree-vectorizer.c (rename_variables_in_bb): Remove
321 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
323 (check_loop_closed_ssa_stmt): Same.
325 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
327 (verify_ssa): Remove V_MUST_DEFs traces.
328 (verify_ssa): Remove SSA_OP_ALL_KILLS.
330 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
332 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
333 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
335 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
337 (MUSTDEF_OPS): Remove.
338 (SSA_OP_VMUSTDEF): Remove.
339 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
340 (struct mustdef_optype_d): Remove.
341 Remove mustdef_optype_p.
342 (struct stmt_operands_d): Remove mustdef_ops.
343 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
344 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
345 (MUSTDEF_RESULT_PTR): Remove.
346 (MUSTDEF_RESULT): Remove.
347 (MUSTDEF_KILL_PTR): Remove.
348 (MUSTDEF_KILL): Remove.
349 (MUSTDEF_NUM): Remove.
350 (MUSTDEF_VECT): Remove.
351 (SSA_OP_VIRTUAL_KILLS): Remove.
352 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
353 (SSA_OP_VMUSTKILL): Remove.
354 (SSA_OP_ALL_KILLS): Remove.
355 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
357 * tree-flow-inline.h (op_iter_init_def): Remove
358 SSA_OP_VIRTUAL_KILLS.
359 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
361 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
362 SSA_OP_VIRTUAL_KILLS.
364 * tree-ssa-loop-im.c (determine_max_movement): Remove
365 SSA_OP_VIRTUAL_KILLS.
366 (gather_mem_refs_stmt): Same.
367 (gather_mem_refs_stmt): Same.
369 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
370 (perform_tree_ssa_dce): Remove call to
371 mark_really_necessary_kill_operand_phis.
373 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
375 (op_iter_next_use): Do not check mustkills.
376 (op_iter_next_def): Do not check mustdefs.
377 (op_iter_next_tree): Do not check mustkills or mustdefs.
378 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
379 (op_iter_next_maymustdef): Do not check mustkills.
380 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
381 (op_iter_init_mustdef): Remove.
383 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
386 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
388 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
389 (visit_assignment): Same.
391 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
393 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
395 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
397 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
398 Remove kill_p variable.
400 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
401 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
402 (collect_dfa_stats_r): Do not set num_v_must_defs.
403 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
406 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
409 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
410 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
412 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
415 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
417 PR rtl-optimization/30113
418 * loop-iv.c (implies_p): Require the mode of the operands to be
421 2006-12-11 Diego Novillo <dnovillo@redhat.com>
423 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
424 Rename from create_ssa_artficial_load_stmt. Update all users.
425 * tree-into-ssa.c (register_new_def): Make static.
426 * tree.c (is_global_var): Handle SSA_NAMEs.
427 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
428 that used to call gimple_default_def.
429 * tree-ssa-operands.c (push_stmt_changes): New.
430 (pop_stmt_changes): New. Update every pass that modifies
431 statements to bracket modifications with
432 push_stmt_changes/pop_stmt_changes.
433 (discard_stmt_changes): New.
434 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
435 'tree *' instead of 'tree'. Update all users.
436 * tree-flow-inline.h (zero_imm_uses_p): New.
437 (symbol_mem_tag): New. Update every function that used
438 to access the annotation directly.
439 (set_symbol_mem_tag): Likewise.
440 * tree-dfa.c (dump_variable): Always show the escape mask.
441 (mark_symbols_for_renaming): Rename from
442 mark_new_vars_to_rename. Update all users.
443 Only mark to rename naked symbols in real and virtual
446 2006-12-11 Andreas Schwab <schwab@suse.de>
448 * varasm.c (elf_record_gcc_switches): Cast second argument of
449 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
451 2006-12-11 Diego Novillo <dnovillo@redhat.com>
453 * tree-scalar-evolution.c (scev_const_prop):
454 * tree-phinodes.c (remove_phi_node): Add argument
455 RELEASE_LHS_P. If given, release the SSA name on the LHS of
458 * tree-ssa-dce.c: Remove forward declarations for static
459 functions. Re-arrange functions bodies as needed.
460 (find_obviously_necessary_stmts): Never mark PHI nodes as
463 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
465 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
467 2006-12-11 Jan Hubicka <jh@suse.cz>
469 * value-prof.c (tree_stringops_transform): New.
470 (tree_value_profile_transformations): Require count to be non-zero;
471 call stringop transform; reset stmt BSI after BB changed.
472 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
473 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
474 (tree_stringops_values_to_profile): New.
475 (tree_values_to_profile): Call tree_stringops_values_to_profile.
476 * tree.h (build_string_literal): Tidy prototype.
477 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
479 * builtins.c (validate_arglist, builtin_memset_read_str,
480 get_pointer_alignment): Export.
482 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
486 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
488 * config/i386/i386.opt: New target option -mx87regparm.
490 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
491 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
492 (X87_REGPARM_MAX): Define.
494 * config/i386/i386.c (override_options): Error out for
495 -mx87regparm but no 80387 support.
496 (ix86_attribute_table): Add x87regparm.
497 (ix86_handle_cconv_attribute): Update comments for x87regparm.
498 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
499 (ix86_function_x87regparm): New function.
500 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
502 (init_cumulative_args): Initialize x87_nregs and float_in_x87
504 (function_arg_advance): Process x87_nregs and x87_regno when
505 floating point argument is to be passed in 80387 register.
506 (function_arg): Pass XFmode arguments in 80387 registers for local
507 functions. Pass SFmode and DFmode arguments to local functions
508 in 80387 registers when flag_unsafe_math_optimizations is set.
510 * reg-stack.c (convert_regs_entry): Disable NaN load for
511 stack registers that are used for argument passing.
513 * doc/extend.texi: Document x87regparm function attribute.
514 * doc/invoke.texi: Document -mx87regparm.
516 2006-12-11 Jan Hubicka <jh@suse.cz>
518 Move all varpool routines out of cgraph/cgraphunit to varpool.c
519 * cgraph.c: Update comments.
520 (cgraph_varpool_hash,
521 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
522 cgraph_varpool_node_name, cgraph_varpool_node,
523 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
524 cgraph_variable_initializer_availability): Move to
525 varpool.c and drop cgraph_ prefixes.
526 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
527 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
528 move to varpool.c; drop cgraph_ prefix; make static.
529 (dump_cgraph_varpool_node): Move to varpool.c under name
531 (dump_varpool, hash_varpool_node, eq_varpool_node,
532 decide_is_variable_needed): Move to varpool.c
533 (decl_assembler_name_equal): Move to tree.c.
534 (availability_names): Rename to ...
535 (cgraph_availability_names): ... this one.
536 (dump_cgraph_node): Update.
537 * cgraph.h: Reorder declarations now in varpool.c
538 (cgraph_vailablity_names): Declare.
539 (struct cgraph_varpool_node): Rename to ...
540 (struct varpool_node): ... this one.
541 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
542 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
543 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
544 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
545 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
546 cgraph_variable_initializer_availability): Rename to ...
547 (varpool_first_unanalyzed_node, varpool_nodes_queue,
548 varpool_first_unanalyzed_node, varpool_node,
549 varpool_node_for_asm, varpool_mark_needed_node,
550 varpool_finalize_decl, varpool_enqueue_needed_node,
551 varpool_assemble_pending_decls, variable_initializer_availability):
553 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
554 * tree.h (decl_assembler_name_equal): Declare.
555 * omp-low.c (lower_omp_critical): Update.
556 * ipa-reference (analyze_variable, static_execute): Likewise.
557 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
558 * cgraphunit.c: Update comments.
559 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
560 varpool_assembled_nodes_queue.
561 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
562 varpool_analyze_pending_decls.
563 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
564 varpool_remove_unreferenced_decls.
565 (record_reference): Update.
566 (cgraph_create_edges): Update.
567 (record_referneces_in_initializer): New function.
568 (cgraph_varpool_assemble_decl): Move to varpool.c under name
569 varpool_assemble_decl; make global.
570 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
571 varpool_assemble_pending_decls.
572 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
573 struct cgraph_order_sort, cgraph_output_in_order,
574 cgraph_function_and_variable_invisibility, cgraph_optimize,
575 cgraph_increase_alignment): Update.
576 * dwarf2out.c (decls_for_scope): Likewise.
577 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
578 * except.c (output_ttype): Likewise.
579 * varasm.c (mark_decl_referenced): Likewise.
580 (find_decl_and_mark_referenced, assemble_alias): update.
581 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
582 * passes.c (rest_of_decl_compilation): Update.
584 2006-12-11 Ira Rosen <irar@il.ibm.com>
586 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
588 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
589 (vect_setup_realignment): Likewise.
591 2006-12-11 Sa Liu <saliu@de.ibm.com>
592 Ben Elliston <bje@au.ibm.com>
594 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
595 (ENDFILE_SPEC): Likewise.
596 * config/spu/spu.opt (mstdmain): New option.
597 * config/spu/crti.asm: Remove.
598 * config/spu/crtn.asm: Likewise.
599 * config/spu/crt0.c: Likewise.
600 * config/spu/crtend.c: Likewise.
601 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
603 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
604 * doc/invoke.texi (SPU Options): Document -mstdmain.
606 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
608 * doc/loop.texi: Document number_of_latch_executions and
609 number_of_cond_exit_executions.
610 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
611 chrec_is_positive, number_of_iterations_for_all_loops,
612 scev_const_prop): Use number_of_latch_executions.
613 (set_nb_iterations_in_loop): Do not increase the value of the
614 number of iterations.
615 (number_of_iterations_in_loop): Renamed to ...
616 (number_of_latch_executions): ... this.
617 (number_of_exit_cond_executions): New function.
618 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
620 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
621 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
622 number_of_latch_executions.
623 * tree-data-ref.c (get_number_of_iters_for_loop): Use
624 number_of_exit_cond_executions.
625 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
626 * cfgloop.h (struct loop): Improve description of the nb_iterations
629 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
631 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
632 (tree_pointer_compare): Remove.
634 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
636 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
637 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
638 * tree-loop-linear.c (linear_transform_loops): Ditto.
639 * tree-ssa-loop-im.c (determine_lsm): Ditto.
640 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
641 free_numbers_of_iterations_estimates): Ditto.
642 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
643 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
644 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
645 * modulo-sched.c (sms_schedule): Ditto.
646 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
647 tree_unroll_loops_completely): Ditto.
648 * predict.c (predict_loops): Ditto.
649 * tree-if-conv.c (main_tree_if_conversion): Ditto.
650 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
651 decide_unrolling_and_peeling): Ditto.
652 * cfgloopmanip.c (unloop): Use delete_loop.
653 (place_new_loop): Access larray vector instead of parray.
654 (create_preheaders, force_single_succ_latches,
655 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
656 * loop-doloop.c (doloop_optimize_loops): Ditto.
657 * loop-invariant.c (move_loop_invariants): Ditto.
658 * tree-cfg.c (replace_uses_by): Ditto.
659 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
660 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
662 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
664 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
665 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
666 get_loop and get_chrec_loop.
667 (number_of_iterations_for_all_loops): Use number_of_loops.
668 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
669 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
670 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
672 * tree-chrec.c (evolution_function_is_invariant_rec_p,
673 chrec_convert_1): Use get_loop and get_chrec_loop.
674 * loop-init.c (loop_optimizer_init): Use number_of_loops.
675 (loop_optimizer_init): Use FOR_EACH_LOOP.
676 * tree-vectorizer.c (vect_loops_num): Removed.
677 (vectorize_loops): Store number of loops locally. Use
678 FOR_EACH_LOOP and get_loop.
679 * tree-vectorizer.h (vect_loops_num): Removed.
680 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
681 (find_data_references_in_loop): Do not set parallel_p.
682 * tree-data-ref.h: Do not declare VEC(loop_p).
683 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
684 verify_loop_structure): Use FOR_EACH_LOOP.
685 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
686 (initialize_loops_parallel_p): Removed.
687 (flow_loops_find): Push the loops into a vector.
688 (delete_loop): New function.
689 (cancel_loop): Use delete_loop.
690 * cfgloop.h: Declare VEC(loop_p).
691 (struct loop): Remove parallel_p field.
692 (struct loops): Replace num and parray field by larray vector.
693 Remove shared_headers field.
694 (delete_loop): Declare.
695 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
697 * doc/loop.tex: Document new accessor functions.
699 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
701 * common.opt (-ftree-lrs): Remove live range splitting option.
702 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
703 * opts.c (decode_options): Remove flag_tree_live_range_split.
704 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
705 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
706 * tree-outof-ssa.c: Remove header files which aren't needed.
707 (SSANORM_*): Remove flags.
708 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
709 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
710 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
711 (assign_vars): Use Basevar instead of root_var structure.
712 (replace_def_variable): Dont do anything if def is replaceable.
713 (remove_ssa_form): Integrate functional changes.
714 (rewrite_out_of_ssa): Remove live-range_split option.
715 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
716 (coalesce_cost): Calculate the cost of a coalesce.
717 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
718 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
719 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
720 (pop_best_coalesce): Remove the best coalesce from the list.
721 (coalesce_pair_map_hash): Calculate coalesce pair hash.
722 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
723 (create_coalesce_list): Create a coalesce list object.
724 (delete_coalesce_list): Free a coalesce list object.
725 (find_coalesce_pair): Find matching pair in the coalesce list.
726 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
727 (add_coalesce): Add a coalesce to the coalesce list.
728 (compare_pairs): Comparision function to determine pair sorted order.
729 (num_coalesce_pairs): Number of coalesced pairs.
730 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
731 Coalesce pair iterator functions.
732 (sort_coalesce_list): Sort coalesce pairs in order of expense.
733 (dump_coalesce_list): Show coalesce list.
734 (ssa_conflicts_new): Create an SSA conflict graph.
735 (ssa_conflicts_delete): Delete an SSA conflict graph.
736 (ssa_conflicts_test_p): Test for conflicts.
737 (ssa_conflicts_add_one): Add a single conflict.
738 (ssa_conflicts_add): Add a conflict pair.
739 (ssa_conflicts_merge): Merge conflicts.
740 (struct live_track_d): Struct for tracking live partitions.
741 (new_live_track): Create new live_track object.
742 (delete_live_track): Delete a live_track object.
743 (live_track_remove_partition): Remove a partition from the live list.
744 (live_track_add_partition): Add a partition from the live list.
745 (live_track_clear_var): Take VAR from the live list.
746 (live_track_live_p): Is var live?
747 (live_track_process_use): Make var come alive.
748 (live_track_process_def): Make var go dead, add conflicts.
749 (live_track_init): Initialize to a live on exit set.
750 (live_track_clear_base_vars): Clear live partitions.
751 (build_ssa_conflict_graph): Build a conflict graph.
752 (print_exprs): Common debug output routine.
753 (abnormal_corrupt): Output info about a failed coalesce across an
755 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
756 (create_outofssa_var_map): Create a var map and coalesce list.
757 (attempt_coalesce): Coalesce a pair.
758 (coalesce_partitions): Coalesce all pairs in a coalesce list.
759 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
760 * tree-ssa-live.c: Remove header files which aren't needed.
761 (var_map_base_init): New. Initialize a basevar list.
762 (var_map_base_fini): New. Finish a basevar list.
763 (init_var_map): Initialize new fields.
764 (delete_var_map): Free new fields.
765 (var_union): Use renamed fields.
766 (compact_var_map): Remove.
767 (partition_to_view_init): Use renamed fields, change order of an if.
768 (partition_view_fini): Use renamed fields.
769 (partition_view_normal): Create basevar list if requested.
770 (partition_view_bitmap): Create a view based on a bitmap of partitions.
771 (change_partition_var): Use renamed fields.
772 (create_ssa_var_map): Remove.
773 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
774 root_var_init): Remove.
775 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
776 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
777 compare_pairs, num_coalesce_pairs, first_partition_pair,
778 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
779 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
780 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
781 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
782 (dump_var_map): Use renamed fields.
783 * tree-ssa-live.h (struct _var_map): Modify fields.
784 (partition_to_var, version_to_var, var_to_partition): Use renamed
786 (basevar_index): New. Index of the base variable of a partition.
787 (num_basevars): New. Number of unique base variables in partition map.
788 (register_ssa_partition): Use renamed fields.
789 (struct tree_partition_associator_d): Remove.
790 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
791 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
792 root_var, root_var_first_partition, root_var_next_partition,
793 root_var_dump, root_var_delete, root_var_remove_partition,
794 root_var_find, root_var_compact, root_var_decompact): Remove.
795 (struct partition_pair, struct coalesce_list_d): Moved to
797 * tree-ssa-ter.c: Remove header files which aren't needed.
799 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
801 * cse.c: (struct cse_basic_block_data): Remove LAST field.
802 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
804 (cse_visited_basic_blocks): New static bitmap.
805 (cse_end_of_basic_block, cse_basic_block): Remove.
806 (cse_find_path, cse_dump_path, cse_prescan_path,
807 cse_extended_basic_block): New static functions.
808 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
809 basic block boundaries. Don't record jump equivalences here.
810 Update the CFG after doing in-place replacement of the SET_SRC.
811 (cse_main): Rewrite. Look for extended basic block headers
812 and call cse_extended_basic_block on them until all paths that
813 start at this header are exhausted.
814 (rest_of_handle_cse): Verify that the CFG is incrementally updated
815 and correct after cse_main.
816 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
817 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
818 (pass_cse): Add TODO_verify_flow.
819 (pass_cse2): Likewise.
821 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
823 * reload1.c (choose_reload_regs): Don't set byte offset when
824 resolving subregs of hard regs.
826 2006-12-09 Zack Weinberg <zackw@panix.com>
828 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
829 suitable for the language, if set_yydebug is true.
830 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
831 YYDEBUG or declare yydebug.
832 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
834 2006-12-09 Jan Hubicka <jh@suse.cz>
836 * cgraph.c: Update copyright.
838 (cgraph_update_pending_function): Remove prototype.
839 * cgraphunit.c: Update copyright; update overall comment.
840 (cgraph_assemble_pending_functions): Make local.
842 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
844 * haifa-sched.c (schedule_block): Remove excessive sanity check.
846 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
848 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
850 (cpat_const_p, gen_cpat_const): Add.
851 * config/spu/spu.c (immediate_class): New enum.
852 (cpat_info, classify_immediate): New.
853 (print_operand): Use S, D, T instead of F, G, H. Use
854 classify_immediate. Handle cpat cases.
855 (spu_split_immediate): Renamed from spu_split_address. Split all
856 immediates that can be split.
857 (immediate_load_p): Use classify_immediate.
858 (spu_legitimate_constant_p): Accept everything except some cases of
860 (spu_expand_move): Use spu_split_immedate.
861 (fsmbi_const_p): Use classify_immediate.
863 (gen_cpat_const: New.
864 * config/spu/constraints.md (j,k,l): New constraints for cpat
866 * config/spu/spu.md (unnamed splitter): Change address splitter to
867 handle all immediates.
868 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
870 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
873 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
876 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
877 patterns. Correct length of high:DI instruction sequence.
879 2006-12-08 Mike Stump <mrs@apple.com>
881 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
882 libgcc with -mmacosx-version-min=10.4.
883 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
884 G4 for 10.5+ unless doing kernel builds.
886 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
889 * reg-stack.c (convert_regs_entry): Mark current argument passing
892 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
893 of float arguments in x87 registers.
895 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
897 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
899 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
901 * recog.c (mode_dependent_address_p): Identify pre-increment,
902 pre-decrement, post-increment and post-decrement addressing as always
903 being mode-dependent.
904 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
905 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
906 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
907 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
908 PRE_INC and POST_INC checks.
909 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
910 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
911 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
912 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
913 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
914 PRE_INC, POST_DEC and POST_INC cases.
915 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
916 Delete POST_INC and PRE_DEC cases.
917 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
919 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
920 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
922 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
923 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
924 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
925 PRE_INC and PRE_DEC cases.
926 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
927 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
928 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
929 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
930 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
931 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
932 auto-increment cases.
933 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
934 auto-increment cases.
935 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
937 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
939 * Makefile.in: Add new file tree-ssa-ter.c.
940 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
941 free_temp_expr_table, add_value_to_version_list,
942 add_value_to_partition_list, remove_value_from_partition_list,
943 add_dependence, check_replaceable, finish_expr, mark_replaceable,
944 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
945 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
946 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
948 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
949 (struct value_expr_d): Remove.
950 (struct temp_expr_table_d): Rename fields, add explicit vector of
951 replaceable expressions instead of sharing. Change value_expr_p's to
952 bitmap. Delete free_list.
953 (new_temp_expr_table): Rename fields, count number of ssa_names in
955 (free_temp_expr_table): Rename field, free new fields.
956 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
957 add_info_to_list, remove_value_from_list): Delete.
958 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
959 (make_dependent_on_partition): New. Set bit in version list, allocating
961 (add_to_partition_kill_list): New. Set bit in the partition list,
962 allocating a bitmap if need be.
963 (remove_from_partition_kill_list): New. Remove a bit from the
964 partition list, free the bitmap if it is empty.
965 (add_dependence): Use renamed field, cleanup. Don't add a dependence
966 on partitions with only one member.
967 (is_replaceable_p): New. Split out replaceability check from
969 (process_replaceable): New. Code split from check_replaceable.
970 (check_replaceable): Removed.
971 (finished_with_expr): Renamed from finish_expr.
972 (kill_expr): Use renamed fields and less parameters.
973 (kill_virtual_exprs): Less parameters.
974 (mark_replaceable): Use renamed fields.
975 (find_replaceable_in_bb): Use renamed fields, cleanup.
976 (find_replaceable_exprs): Use renamed routines, cleanup.
977 (dump_replaceable_exprs): Don't go past end of ssa_names list.
978 (debug_ter): New. Debug routine to dump state.
980 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
982 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
983 anything involving the GOT.
984 (bfin_adjust_cost): Don't take the REGNO of a MEM.
985 (trapping_loads_p): Look inside the pattern of an insn to find the
987 * config/bfin/bfin.md (attr "type"): Add movcc.
988 (insn_reservation "alu"): Likewise.
989 (movsicc_insn1, movsicc_insn2): Change type to movcc.
991 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
993 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
994 (spu_resolve_overloaded_builtin): Check for non scalar instead
995 of vector type and check the function call argument type also for
997 Call build_function_call instead of spu_build_overload_builtin.
999 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1001 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1002 to the calls of hwint_to_const_double.
1004 2006-12-07 Nick Clifton <nickc@redhat.com>
1006 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1007 elf_record_gcc_switches.
1009 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1011 * expr.c (string_constant): Account for non-zero lower bound arrays.
1013 2006-12-07 Richard Guenther <rguenther@suse.de>
1015 * builtins.c (expand_builtin_pow): Adjust predicates for
1016 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1019 2006-12-07 Jan Hubicka <jh@suse.cz>
1021 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1024 2006-12-07 Jan Hubicka <jh@suse.cz>
1026 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1027 use fold_constant_to_binary; tolerate wrong type constants.
1028 (value_intersect_p): Do just two tests.
1030 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1032 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1033 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1034 lshifthi3): Use it, and fix the order of alternatives.
1036 2006-12-07 Nick Clifton <nickc@redhat.com>
1038 * common.opt (record-gcc-switches): New command line switch.
1039 * target.h (print_switch_type): New enum.
1040 (print_switch_fn_type): New typedef for a function pointer.
1041 (struct gcc_target): Add record_gcc_switches and
1042 record_gcc_switches_section fields.
1043 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1045 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1047 * toplev.c (print_single_switch): Simplify by providing a
1048 pointer to function that will format and output the switch
1050 (print_switch_values): Likewise.
1051 (print_to_asm_out_file): New function.
1052 (print_to_stderr): New function.
1053 (init_asm_output): If flag_record_gcc_switches is set then if
1054 the target supports recording the switches then emit them into
1055 the assembler output file, otherwise tell the user that the
1056 switch is not supported.
1057 * varasm.c (eld_record_gcc_switches): New function. Example
1058 handler for the record_gcc_switches target hook.
1059 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1061 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1062 * doc/invoke.texi (-frecord-gcc-switches): Document.
1064 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1067 * sched-rgn.c (add_block1): Use correct initializer.
1069 2006-12-07 Richard Guenther <rguenther@suse.de>
1071 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1072 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1074 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1077 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1078 not GIMPLE_MODIFY_STMT.
1080 2006-12-06 Jan Hubicka <jh@suse.cz>
1082 * tree-vrp.c (operand_less_p): New.
1083 (compare_values, value_inside_range): Rewrite in terms of
1086 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1088 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1090 (length_immediate): Do not depend on cld type attribute.
1091 (length_address): Ditto.
1094 (cld): Remove insn pattern.
1095 (strmov_singleop): Do not use DIRFLAG_REG.
1096 (*strmovdi_rex_1): Ditto.
1097 (*strmovsi_1): Ditto.
1098 (*strmovsi_rex_1): Ditto.
1099 (*strmovhi_1): Ditto.
1100 (*strmovhi_rex_1): Ditto.
1101 (*strmovqi_1): Ditto.
1102 (*strmovqi_rex_1): Ditto.
1104 (*rep_movdi_rex64): Ditto.
1105 (*rep_movsi): Ditto.
1106 (*rep_movsi_rex64): Ditto.
1107 (*rep_movqi): Ditto.
1108 (*rep_movqi_rex64): Ditto.
1109 (strset_singleop): Ditto.
1110 (*strsetdi_rex_1): Ditto.
1111 (*strsetsi_1): Ditto.
1112 (*strsetsi_rex_1): Ditto.
1113 (*strsethi_1): Ditto.
1114 (*strsethi_rex_1): Ditto.
1115 (*strsetqi_1): Ditto.
1116 (*strsetqi_rex_1): Ditto.
1118 (*rep_stosdi_rex64): Ditto.
1119 (*rep_stossi): Ditto.
1120 (*rep_stossi_rex64): Ditto.
1121 (*rep_stosqi): Ditto.
1122 (*rep_stosqi_rex64): Ditto.
1123 (cmpstrnsi): Do not generate cld insn.
1124 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1125 (*cmpstrnqi_nz_1): Ditto.
1126 (*cmpstrnqi_nz_rex_1): Ditto.
1127 (cmpstrnqi_1): Ditto.
1128 (*cmpstrnqi_1): Ditto.
1129 (*cmpstrnqi_rex_1): Ditto.
1130 (strlenqi_1): Ditto.
1131 (*strlenqi_1): Ditto.
1132 (*strlenqi_rex_1): Ditto.
1134 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1135 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1136 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1138 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1139 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1141 (k6_alux_only_load): Ditto.
1142 (k6_alux_only_store): Ditto.
1144 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1145 Do not emit cld instruction.
1146 (ix86_expand_setmem): Ditto.
1147 (ix86_expand_strlen): Do not emit cld instruction.
1149 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1151 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1154 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1156 * gdbinit.in: Set complaints to 0.
1158 2006-12-06 Jan Hubicka <jh@suse.cz>
1160 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1161 ALONE_MEM_STAT_DECL): New macros.
1162 * bitmap.h: Include statistics.h
1163 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1164 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1165 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1166 * bitmap.c: Include hashtab.h
1167 (bitmap_descriptor): New.
1168 (bitmap_hash): New static variable
1169 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1170 New static functions.
1171 (bitmap_register): New.
1172 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1173 bitmap_obstack_release): Do accounting.
1174 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1176 (bitmap_gc_alloc_stat): Likewise.
1177 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1178 (print_statistics, dump_bitmap_statistics): New functions.
1179 * toplev.c (finalize): Dump bitmap statistics.
1181 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1183 * reload1.c (delete_output_reload): Count occurrences in
1184 CALL_INSN_FUNCTION_USAGE.
1185 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1186 crashing at the end of the list.
1188 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1190 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1191 Optimize to avoid marking more SMT's as used when they aren't.
1193 2006-12-05 Eric Christopher <echristo@apple.com>
1195 * config/i386/i386.c (x86_output_aligned_bss): Move out
1196 of COMMON_ASM_OP ifdef.
1198 2006-12-05 Eric Christopher <echristo@apple.com>
1200 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1201 (STARTFILE_SPEC): Use.
1202 (DARWIN_DYLIB1_SPEC): New.
1203 (DARWIN_CRT1_SPEC): New.
1204 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1206 * config/i386/darwin.h: Ditto.
1207 * config/rs6000/darwin.h: Ditto.
1209 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1211 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1212 * tree-complex.c (pass_lower_complex): Ditto.
1213 * tree-ssa-ccp.c (pass_ccp): Ditto.
1214 (pass_store_ccp): Ditto.
1215 * tree-ssa-dom.c (pass_dominator): Ditto.
1216 (pass_phi_only_cprop): Ditto.
1217 * tree-sra.c (pass_sra): Ditto.
1218 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1219 * tree-flow.h (updating_used_alone): Remove.
1220 (updating_used_alone): Ditto.
1221 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1222 (lhs_may_store_to): Remove function.
1223 (recalculate_used_alone): Ditto.
1224 (compute_may_aliases): Remove used_alone calculation.
1225 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1226 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1227 * tree-pass.h (PROP_smt_usage): Remove.
1228 * passes.c (execute_todo): Remove used alone recalculation.
1229 (execute_one_pass): Ditto.
1230 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1233 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1235 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1237 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1239 PR tree-optimization/14784
1240 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1242 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1244 Merge from gimple-tuples-branch.
1246 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1248 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1250 (s390_gimplify_va_arg): Same.
1251 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1252 * config/sh/sh.c (sh_va_start): Same.
1253 (sh_gimplify_va_arg_expr): Same.
1254 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1255 (xtensa_gimplify_va_arg_expr): Same.
1256 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1257 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1258 * config/mips/mips.c (mips_va_start): Same.
1259 (mips_gimplify_va_arg_expr): Same.
1261 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1263 * Merge from mainline at revision 119445.
1265 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1267 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1269 (spu_gimplify_va_arg_expr): Same.
1271 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1273 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1274 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1275 (xstormy16_expand_builtin_va_arg): Same.
1277 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1279 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1280 to GIMPLE_MODIFY_STMT.
1282 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1284 * config/alpha/alpha.c (va_list_skip_additions): Change all
1285 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1286 (alpha_va_start): Same.
1287 (alpha_gimplify_va_arg_1): Same.
1288 (alpha_gimplify_va_arg): Same.
1290 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1292 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1294 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1296 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1297 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1299 * tree-complex.c: Same.
1300 * tree-pretty-print.c: Same.
1304 * fold-const.c: Same.
1305 * tree-ssa-dom.c: Same.
1306 * tree-ssa-propagate.c: Same.
1307 * tree-ssa-alias.c: Same.
1308 * gimple-low.c: Same.
1309 * dwarf2out.c: Same.
1310 * c-pretty-print.c: Same.
1312 * tree-inline.c: Same.
1313 * tree-outof-ssa.c: Same.
1314 * tree-ssa-structalias.c: Same.
1315 * tree-ssa-reassoc.c: Same.
1318 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1320 * tree.c (build2_stat): Fix comment.
1322 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1324 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1325 TREE_OPERAND when appropriate.
1327 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1329 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1330 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1331 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1332 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1333 not handle GIMPLE_MODIFY_STMT in the switch statement.
1334 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1335 (java_gimplify_new_array_init): Same.
1337 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1339 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1340 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1341 * fold-const.c (fold_binary): Allow gimple statements.
1343 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1344 Rename from gfc_conv_descriptor_data_set.
1345 Call gfc_add_modify instead of gfc_add_modify_expr.
1346 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1347 Rename from gfc_conv_descriptor_data_set.
1348 (gfc_conv_descriptor_data_set): New macro.
1349 (gfc_conv_descriptor_data_set_tuples): New macros.
1350 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1351 gfc_conv_descriptor_data_set_tuples.
1352 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1353 Generate GIMPLE_MODIFY_STMT when appropriate.
1354 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1355 (gfc_add_modify_expr): New macro.
1356 (gfc_add_modify_stmt): New macro.
1357 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1359 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1361 * Merge from mainline at revision 118200.
1363 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1365 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1368 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1370 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1372 Also, add __extension__ to GCC versions.
1373 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1374 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1377 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1379 * tree-complex.c (expand_complex_libcall): Adjust for
1381 (expand_complex_comparison): Same.
1382 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1383 GIMPLE_STMT_P statements.
1384 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1386 (tree_mod_pow2_value_transform): Same.
1387 (tree_mod_subtract_transform): Same.
1388 * tree.c (build2_stat): Check for gimplified function in cfun.
1389 * tree.h (DECL_GIMPLIFIED): Delete.
1390 (struct tree_function_decl): Remove gimplified_flag.
1391 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1392 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1393 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1394 (cxx_omp_clause_copy_ctor): Same.
1395 (cxx_omp_clause_assign_op): Same.
1396 * c-pretty-print.c (pp_c_conditional_expression): Same.
1397 (pp_c_expression): Same.
1398 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1399 * function.h (struct function): Add gimplified field.
1400 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1402 (find_phi_replacement_condition): Same.
1403 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1404 (gimplify_modify_expr_to_memset): Same.
1405 (gimplify_init_ctor_eval_range): Same.
1406 (gimplify_modify_expr_complex_part): Same.
1407 (tree_to_gimple_tuple): Same.
1408 (gimplify_modify_expr): Same.
1409 (gimple_push_cleanup): Same.
1410 (gimplify_omp_for): Same.
1411 (gimplify_omp_atomic_pipeline): Same.
1412 (gimplify_omp_atomic_mutex): Same.
1413 (gimplify_expr): Same.
1414 (gimplify_one_sizepos): Same.
1415 (gimplify_function_tree): Same.
1416 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1417 (vect_recog_widen_sum_pattern): Same.
1418 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1419 (vect_create_epilog_for_reduction): Same.
1420 (vectorizable_reduction): Same.
1422 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1424 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1425 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1426 (ifc_temp_var): Same.
1427 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1428 for gimple statements.
1429 (vect_analyze_operations): Same.
1430 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1431 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1432 * lambda-code.c (can_put_in_inner_loop): Same.
1433 (can_put_after_inner_loop): Same.
1434 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1435 (vect_create_data_ref_ptr): Same.
1436 (vect_init_vector): Same.
1437 (vect_get_vec_def_for_operand): Same.
1438 (vect_create_epilog_for_reduction): Same.
1439 (vectorizable_reduction): Same.
1440 (vectorizable_assignment): Same.
1441 (vectorizable_operation): Same.
1442 (vectorizable_load): Same.
1443 (vectorizable_condition): Same.
1444 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1445 (rs6000_gimplify_va_arg): Same.
1447 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1449 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1450 GIMPLE_STMT_OPERAND.
1451 (simplify_abs_using_ranges): Same.
1452 * tree-complex.c (expand_complex_operations_1): Use
1453 PROTECTED_TREE_OPERAND.
1454 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1456 (get_val_for): Use GIMPLE_STMT_OPERAND.
1457 * tree-tailcall.c (adjust_accumulator_values): Same.
1458 (adjust_return_value): Same.
1459 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1460 case. Remove special case for tcc_gimple_stmt.
1461 * tree.h (CAN_HAVE_LOCATION_P): New.
1462 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1464 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1465 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1466 * tree-nrv.c (execute_return_slot_opt): Same.
1467 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1468 * tree-vn.c (set_value_handle): Same.
1469 (get_value_handle): Same.
1470 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1471 * tree-vectorizer.c (find_loop_location): Same.
1472 * c-typeck.c (c_process_expr_stmt): Same.
1473 (c_finish_stmt_expr): Same.
1474 * gimplify.c (should_carry_locus_p): Same.
1475 (tree_to_gimple_tuple): Delete definition and use of unecessary
1476 variable save_tree_block.
1477 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1478 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1479 (realify_fake_stores): Same.
1480 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1482 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1483 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1484 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1485 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1486 (c_parser_statement_after_labels): Same.
1487 (c_parser_paren_condition): Same.
1488 (c_parser_for_statement): Same.
1489 (c_parser_omp_for_loop): Same.
1490 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1491 (linearize_expr_tree): Same.
1492 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1493 * function.c (instantiate_expr): Same.
1495 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1497 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1498 (set_expr_location): Same.
1500 (set_expr_locus): Same.
1501 (expr_filename): Same.
1502 (expr_lineno): Same.
1503 (tree_block): Use GIMPLE_STMT_BLOCK.
1504 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1505 * tree.h (struct gimple_stmt): Remove prev and next.
1506 (GIMPLE_STMT_OPERAND_CHECK): New.
1507 (TREE_TO_GIMPLE_STMT): Delete.
1508 (GIMPLE_STMT_TO_TREE): Delete.
1509 (GIMPLE_STMT_OPERAND): Use union, not cast.
1510 (GIMPLE_STMT_LOCUS): New.
1511 (GIMPLE_STMT_BLOCK): New.
1512 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1514 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1516 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1518 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1520 * tree-tailcall.c (adjust_return_value): Same.
1521 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1522 (copy_node_stat): Change common.base to base.
1523 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1524 Remove GIMPLE_STATEMENT_LIST case.
1525 * tree.h (struct gimple_stmt): Make operands of type tree.
1526 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1527 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1528 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1529 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1530 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1531 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1532 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1533 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1534 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1535 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1536 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1537 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1538 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1539 Change common.base to base.
1540 (GIMPLE_STATEMENT_LIST*): Remove.
1541 (union tree_node): Add base. Remove gimple_statement_list.
1542 Remove pointer from gstmt.
1543 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1544 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1545 * tree-vn.c (vn_compute): Change common.base to base.
1546 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1547 * tree-flow-inline.h (var_ann): Same.
1548 (function_ann): Same.
1550 (mark_non_addressable): Same.
1551 * gimplify.c (tree_to_gimple_tuple): Same.
1552 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1553 * tree-dfa.c (create_var_ann): Change common.base to base.
1554 (create_function_ann): Same.
1555 (create_stmt_ann): Same.
1556 (create_tree_ann): Same.
1557 (collect_dfa_stats_r): Same.
1558 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1559 * tree-ssa-dce.c (NECESSARY): Same.
1560 * tree-ssa.c (delete_tree_ssa): Same.
1561 * tree-optimize.c (execute_free_cfg_annotations): Same.
1562 * tree-flow.h: Same.
1564 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1566 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1567 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1569 * tree.h (struct gimple_stmt): Add prev and next fields.
1570 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1571 (GIMPLE_STATEMENT_LIST_HEAD): New.
1572 (GIMPLE_STATEMENT_LIST_TAIL): New.
1573 (struct gimple_statement_list): New.
1574 (union tree_node): Add gimple_stmt_list and gstmt.
1575 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1576 * tree.def: Add GIMPLE_STATEMENT_LIST.
1578 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1580 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1581 * tree-vrp.c (build_assert_expr_for): Change uses of
1582 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1583 (find_assert_locations): Same.
1584 (remove_range_assertions): Same.
1585 (stmt_interesting_for_vrp): Same.
1586 (vrp_visit_assignment): Same.
1587 (vrp_visit_stmt): Same.
1588 (simplify_cond_using_ranges): Same.
1589 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1591 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1592 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1594 (determine_invariantness_stmt): Same.
1595 (schedule_sm): Same.
1596 (gather_mem_refs_stmt): Same.
1597 * tree-complex.c (init_dont_simulate_again): Same.
1598 (complex_visit_stmt): Same.
1599 (set_component_ssa_name): Same.
1600 (expand_complex_move): Same.
1601 (expand_complex_div_wide): Same.
1602 (expand_complex_comparison): Same.
1603 (expand_complex_operations_1): Same.
1604 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1605 (chain_of_csts_start): Same.
1606 (infer_loop_bounds_from_undefined): Same.
1607 * tree-pretty-print.c (dump_generic_node): Same.
1609 (op_symbol_1): Same.
1610 * tree-ssa-loop-manip.c (create_iv): Same.
1611 * value-prof.c (tree_divmod_fixed_value): Same.
1612 (tree_divmod_fixed_value_transform): Same.
1613 (tree_mod_pow2): Same.
1614 (tree_mod_pow2_value_transform): Same.
1615 (tree_mod_subtract): Same.
1616 (tree_mod_subtract_transform): Same.
1617 (tree_divmod_values_to_profile): Same.
1618 * tree-tailcall.c (process_assignment): Same.
1619 (find_tail_calls): Same.
1620 (adjust_accumulator_values): Same.
1621 (adjust_return_value): Same.
1622 (eliminate_tail_call): Same.
1623 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1624 (make_node_stat): Same.
1625 (copy_node_stat): Handle gimple tuples.
1626 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1627 (tree_node_structure): Handle tcc_gimple_stmt.
1628 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1630 (build2_gimple_stat): New.
1631 (expr_location): New.
1632 (set_expr_location): New.
1633 (expr_has_location): New.
1635 (set_expr_locus): New.
1636 (expr_filename): New.
1638 (walk_tree): Handle tcc_gimple_stmt.
1640 (protected_tree_operand): New.
1641 (protected_tree_type): New.
1642 (tree_code_kind): Add gimple statements.
1643 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1644 (IS_GIMPLE_STMT_CODE_CLASS): New.
1645 (struct tree_base): New.
1646 (struct tree_common): Shrink.
1647 (struct gimple_stmt): New.
1648 (struct gimple_expr): New.
1649 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1650 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1651 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1652 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1653 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1654 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1655 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1656 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1657 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1658 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1659 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1660 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1661 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1662 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1663 Adjust for new `common' layout.
1664 (struct tree_function_decl): Add gimplified_flag.
1665 (DECL_GIMPLIFIED): NEW.
1666 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1667 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1668 EXPR_HAS_LOCATION): Call corresponding function.
1669 (GIMPLE_STMT_CHECK): New.
1670 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1671 (TREE_BLOCK): Call tree_block.
1672 (GIMPLE_STMT_P): New.
1673 (GIMPLE_TUPLE_P): New.
1674 (TREE_TO_GIMPLE_STMT): New.
1675 (GIMPLE_STMT_TO_TREE): New.
1676 (GIMPLE_STMT_OPERAND): New.
1677 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1678 (PROTECTED_TREE_OPERAND): New.
1679 (PROTECTED_TREE_TYPE): New.
1680 (build2_gimple_stat): Protoize.
1681 (build2_gimple): New.
1682 (expr_location): Protoize.
1683 (set_expr_location): Protoize.
1684 (expr_has_location): Protoize.
1685 (expr_locus): Protoize.
1686 (set_expr_locus): Protoize.
1687 (expr_filename): Protoize.
1688 (expr_lineno): Protoize.
1689 (tree_block): Protoize.
1690 (protected_tree_operand): Protoize.
1691 (protected_tree_type): Protoize.
1692 (enum tree_node_kind): Add gimple_stmt_kind.
1693 * c-decl.c (union lang_tree_node): Tuples do not have a
1695 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1696 GIMPLE_MODIFY_STMT and adjust accordingly.
1697 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1698 (interpret_condition_phi): Same.
1699 (pointer_used_p): Same.
1700 (analyze_scalar_evolution_1): Same.
1701 (scev_const_prop): Same.
1702 (interpret_rhs_modify_stmt): Rename from
1703 interpret_rhs_modify_expr.
1704 * builtins.c (std_expand_builtin_va_start): Change uses of
1705 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1706 (std_gimplify_va_arg_expr): Same.
1707 (expand_builtin_va_copy): Same.
1708 (integer_valued_real_p): Same.
1709 * fold-const.c (maybe_lvalue_p): Same.
1711 (tree_expr_nonnegative_p): Same.
1712 (tree_expr_nonzero_p): Same.
1713 * omp-low.c (extract_omp_for_data): Same.
1714 (lower_rec_input_clauses): Same.
1715 (lower_reduction_clauses): Same.
1716 (lower_copyprivate_clauses): Same.
1717 (lower_send_clauses): Same.
1718 (lower_send_shared_vars): Same.
1719 (expand_parallel_call): Same.
1720 (expand_omp_parallel): Same.
1721 (expand_omp_for_generic): Same.
1722 (expand_omp_for_static_nochunk): Same.
1723 (expand_omp_for_static_chunk): Same.
1724 (expand_omp_sections): Same.
1725 (lower_omp_single_copy): Same.
1726 (lower_omp_parallel): Same.
1727 * tree-ssa-dse.c (memory_address_same): Same.
1728 (dse_optimize_stmt): Same.
1729 * ipa-reference.c (scan_for_static_refs): Same.
1730 * tree-gimple.c (is_gimple_reg_rhs): Same.
1731 (get_call_expr_in): Same.
1732 (recalculate_side_effects): Same.
1733 * cgraphunit.c (cgraph_create_edges): Same.
1734 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1735 * tree-ssa-ccp.c (get_default_value): Same.
1736 (likely_value): Same.
1737 (visit_assignment): Same.
1738 (ccp_visit_stmt): Same.
1739 (get_maxval_strlen): Same.
1740 (ccp_fold_builtin): Same.
1741 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1742 (find_givs_in_stmt): Same.
1743 (find_interesting_uses_op): Same.
1744 (find_interesting_uses_stmt): Same.
1745 (rewrite_use_nonlinear_expr): Same.
1746 * ipa-pure-const.c (scan_function): Same.
1747 * tree-stdarg.c (va_list_counter_bump): Same.
1748 (check_all_va_list_escapes): Same.
1749 (execute_optimize_stdarg): Same.
1750 * tree-ssa-math-opts.c (compute_merit): Same.
1751 (insert_reciprocals): Same.
1752 (execute_cse_reciprocals): Same.
1753 * tree-ssa-dom.c (initialize_hash_element): Same.
1754 (simple_iv_increment_p): Same.
1755 (record_equivalences_from_stmt): Same.
1756 (optimize_stmt): Same.
1757 (remove_stmt_or_phi): Same.
1758 (get_rhs_or_phi_arg): Same.
1759 (get_lhs_or_phi_result): Same.
1760 (propagate_rhs_into_lhs): Same.
1761 * tree-nrv.c (tree_nrv): Same.
1762 (execute_return_slot_opt): Same.
1763 * tree-ssa-propagate.c (get_rhs): Same.
1765 (stmt_makes_single_load): Same.
1766 (stmt_makes_single_store): Same.
1767 (replace_vuses_in): Same.
1768 (fold_predicate_in): Same.
1769 (substitute_and_fold): Same.
1770 * tree-ssa-alias.c (compute_call_clobbered): Same.
1771 (recalculate_used_alone): Same.
1772 (count_uses_and_derefs): Same.
1773 (is_escape_site): Same.
1774 (find_used_portions): Same.
1775 * gimple-low.c (lower_stmt): Same.
1776 (block_may_fallthru): Same.
1777 (lower_return_expr): Same.
1778 * tree-ssa-sink.c (is_hidden_global_store): Same.
1779 (statement_sink_location): Same.
1780 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1781 * expr.c (safe_from_p): Same.
1782 (expand_expr_real): Same.
1783 (expand_expr_real_1): Same.
1784 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1785 * predict.c (expr_expected_value): Same.
1786 (strip_builtin_expect): Same.
1787 (apply_return_prediction): Same.
1788 (tree_bb_level_predictions): Same.
1789 (tree_estimate_probability): Same.
1790 * tree-vn.c (vn_compute): Same.
1791 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1792 (remove_stmt_from_eh_region_fn): Same.
1793 (do_return_redirection): Same.
1794 (honor_protect_cleanup_actions): Same.
1795 (lower_try_finally_switch): Same.
1796 (lower_eh_constructs_1): Same.
1797 (tree_could_throw_p): Same.
1798 (verify_eh_throw_stmt_node): Same.
1799 * function.c (gimplify_parameters): Same.
1800 * tree-vectorizer.c (vect_is_simple_use): Same.
1801 (vect_is_simple_reduction): Same.
1802 * ipa-type-escape.c (scan_for_refs): Same.
1803 * tree-if-conv.c (tree_if_conversion): Same.
1804 (tree_if_convert_stmt): Same.
1805 (if_convertible_gimplify_modify_stmt_p): Rename from
1806 if_convertible_modify_expr_p.
1807 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1808 (ifc_temp_var): Same.
1809 (replace_phi_with_cond_modify_stmt): Rename from
1810 replace_phi_with_cond_modify_expr.
1811 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1812 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1813 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1815 * tree-flow-inline.h (var_ann): Same.
1816 (function_ann): Same.
1818 (mark_non_addressable): Same.
1819 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1820 * gimplify.c (tree_to_gimple_tuple): New.
1821 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1822 (gimplify_return_expr): Same.
1823 (gimplify_decl_expr): Same.
1824 (gimplify_self_mod_expr): Same.
1825 (gimplify_cond_expr): Same.
1826 (gimplify_init_constructor): Same.
1827 (gimplify_modify_expr): Same.
1828 (gimplify_expr): Same.
1829 (gimplify_function_tree): Same.
1830 (force_gimple_operand): Same.
1831 * tree-ssa-phiopt.c (conditional_replacement): Same.
1832 (minmax_replacement): Same.
1833 (abs_replacement): Same.
1834 * tree-dfa.c (create_var_ann): Same.
1835 (create_function_ann): Same.
1836 (create_stmt_ann): Same.
1837 (create_tree_ann): Same.
1838 (collect_dfa_stats_r): Same.
1839 * tree-ssa-pre.c (find_or_generate_expression): Same.
1840 (create_expression_by_pieces): Same.
1841 (try_look_through_load): Same.
1842 (insert_fake_stores): Same.
1843 (realify_fake_stores): Same.
1844 (compute_avail): Same.
1847 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1848 Adjust for GIMPLE_MODIFY_STMT.
1849 (NECESSARY): Adjust for new `common' layout.
1850 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1852 * tree-sra.c (sra_walk_modify_stmt): Rename from
1853 sra_walk_modify_expr.
1854 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1855 (generate_copy_inout): Same.
1856 (generate_element_copy): Same.
1857 (generate_element_zero): Same.
1858 (scalarize_copy): Same.
1859 * tree-mudflap.c (mf_decl_cache_locals): Same.
1860 (mf_build_check_statement_for): Same.
1861 (mf_xform_derefs): Same.
1862 * ipa-prop.c (ipa_method_modify_stmt): Same.
1863 * print-tree.c (print_node): Handle gimple tuples.
1864 Add case for tcc_gimple_stmt.
1865 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1867 (copy_prop_visit_assignment): Same.
1868 (copy_prop_visit_stmt): Same.
1869 (init_copy_prop): Same.
1870 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1871 (forward_propagate_into_cond_1): Same.
1872 (find_equivalent_equality_comparison): Same.
1873 (tidy_after_forward_propagate_addr): Same.
1874 (forward_propagate_addr_expr_1): Same.
1875 (simplify_not_neg_expr): Same.
1876 (simplify_switch_expr): Same.
1877 * tree-ssa-dce.c (find_pdom): Same.
1878 (mark_stmt_if_obviously_necessary): Same.
1879 (NECESSARY): Adjust for new `common' layout.
1880 * tree-flow.h: Same.
1881 * tree-vect-patterns.c (widened_name_p): Adjust for
1883 (vect_recog_dot_prod_pattern): Same.
1884 (vect_recog_widen_sum_pattern): Same.
1885 (vect_pattern_recog_1): Same.
1886 * tree-nested.c (init_tmp_var): Same.
1887 (save_tmp_var): Same.
1889 (convert_call_expr): Same.
1890 (finalize_nesting_tree_1): Same.
1891 * tree-ssa.c (verify_ssa): Same.
1892 (delete_tree_ssa): Same.
1893 * lambda-code.c (lbv_to_gcc_expression): Same.
1894 (lle_to_gcc_expression): Same.
1895 (lambda_loopnest_to_gcc_loopnest): Same.
1896 (can_put_in_inner_loop): Same.
1897 (can_convert_to_perfect_nest): Same.
1898 (perfect_nestify): Same.
1899 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1900 * tree-inline.c (copy_body_r): Same.
1901 (setup_one_parameter): Same.
1902 (initialize_inlined_parameters): Same.
1903 (estimate_num_insns_1): Same.
1904 (expand_call_inline): Same.
1905 (gimple_expand_calls_inline): Same.
1906 (copy_tree_r): Same.
1907 * tree-optimize.c (execute_free_cfg_annotations): Same.
1908 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1909 (vect_align_data_ref): Same.
1910 (vect_create_data_ref_ptr): Same.
1911 (vect_init_vector): Same.
1912 (vect_create_epilog_for_reduction): Same.
1913 (vectorizable_reduction): Same.
1914 (vectorizable_assignment): Same.
1915 (vectorizable_operation): Same.
1916 (vectorizable_store): Same.
1917 (vectorizable_load): Same.
1918 (vectorizable_live_operation): Same.
1919 (vectorizable_condition): Same.
1920 (vect_generate_tmps_on_preheader): Same.
1921 (vect_create_cond_for_align_checks): Same.
1922 * tree-object-size.c (collect_object_sizes_for): Same.
1923 (check_for_plus_in_loops_1): Same.
1924 (check_for_plus_in_loops): Same.
1925 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1926 (replace_use_variable): Same.
1927 (check_replaceable): Same.
1928 (rewrite_trees): Same.
1929 (identical_copies_p): Same.
1930 (insert_backedge_copies): Same.
1931 * tree-profile.c (tree_gen_edge_profiler): Same.
1932 * tree-vect-generic.c (expand_vector_operations_1): Same.
1933 * tree-ssa-structalias.c (update_alias_info): Same.
1934 (find_func_aliases): Same.
1935 * tree-cfg.c (factor_computed_gotos): Same.
1937 (make_goto_expr_edges): Same.
1938 (tree_merge_blocks): Same.
1939 (remove_useless_stmts_cond): Same.
1940 (remove_useless_stmts_1): Same.
1941 (tree_find_edge_insert_loc): Same.
1942 (verify_expr): Same.
1943 (gimplify_val): Same.
1944 (verify_gimple_tuples_1): New.
1945 (verify_gimple_tuples): New.
1946 (verify_stmts): Call verify_gimple_tuples.
1947 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1948 (get_unary_op): Same.
1949 (linearize_expr): Same.
1950 (get_single_immediate_use): Same.
1951 (negate_value): Same.
1952 (should_break_up_subtract): Same.
1953 (break_up_subtract): Same.
1954 (repropagate_negates): Same.
1955 (break_up_subtract_bb): Same.
1956 (reassociate_bb): Same.
1957 * config/i386/i386.c (ix86_va_start): Same.
1958 (ix86_gimplify_va_arg): Same.
1959 * stmt.c (expand_expr_stmt): Same.
1960 (warn_if_unused_value): Same.
1961 (expand_return): Same.
1962 * tree-ssanames.c (make_ssa_name): Same.
1963 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1964 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1965 (add_virtual_operand): Same.
1966 (get_expr_operands): Same.
1967 (parse_ssa_operands): Same.
1968 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1970 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1972 * config.host: Remove extra blank line.
1974 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1976 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1977 target is also an x86 variant.
1979 2006-12-05 Richard Guenther <rguenther@suse.de>
1981 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1982 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1983 (ix86_builtin_vectorized_function): New function to vectorize
1986 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1988 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1989 ia64_override_options.
1991 2006-12-04 Jan Hubicka <jh@suse.cz>
1993 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1996 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1998 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1999 * config/bfin/bfin.c: Include "timevar.h".
2000 (bfin_flag_schedule_insns2, splitting_for_sched,
2001 bfin_flag_var_tracking): New variables.
2002 (print_operand): Handle '%!'.
2003 (override_options): Disable normal sched2 pass, instead set
2004 bfin_flag_schedule_insns2 for reorg to handle it.
2005 (output_file_start): Likewise for var-tracking.
2006 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2007 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2009 (bfin_reorg): Do second scheduling pass here, and call
2010 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2011 of examining insns directly. If bfin_flag_var_tracking, call
2012 var-tracking pass when done with everything else.
2013 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2014 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2015 (movsi_insn32): New pattern, with two new splits to create it
2016 before the final scheduling pass.
2017 (neghi2): Not a dsp32 insn, rather alu0.
2018 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2019 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2020 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2021 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2022 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2023 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2024 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2025 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2026 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2027 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2028 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2029 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2030 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2031 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2032 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2033 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2034 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2035 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2036 variants instead of ';'.
2037 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2038 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2039 (align8, align16, align24): Now named patterns; also using '%!'.
2042 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2044 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2045 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2047 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2049 * config/spu/spu-protos.c (spu_split_address): Add.
2050 * config/spu/spu.c (spu_split_address): Add.
2051 (print_operand): Handle HIGH.
2052 (spu_legitimate_address): Don't test for aligned CONST.
2053 (spu_expand_mov): Don't split addresses here.
2054 * config/spu/constraints.md (A): Don't test legitimate_const.
2055 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2056 (ceq_di): Use correct predicates.
2058 2006-12-04 Eric Christopher <echristo@apple.com>
2060 * config/darwin.h: Update copyright notice.
2061 * config/i386/darwin.h: Ditto.
2063 2006-12-04 Jan Hubicka <jh@suse.cz>
2065 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2066 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2068 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2070 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2072 * tree-ssa-structalias.c (set_used_smts): Export.
2073 (find_what_p_points_to): Don't call set_used_smts here.
2074 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2076 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2078 * tree-ssa-alias.c (compute_may_aliases):
2079 Compute flow sensitive before flow insensitive.
2080 (compute_flow_sensitive_aliasing): Don't try to add
2081 a symbol memory tag to itself.
2083 * alias.h (alias_set_subset_of): New prototype.
2085 * alias.c (alias_set_subset_of): New function.
2087 * tree-ssa-structalias.c: Update comments.
2088 (struct variable_info): Add finished_solution.
2089 (new_varinfo): Set finished solution to NULL.
2090 (var_escaped_vars): Remove.
2091 (escaped_vars_tree): Remove.
2092 (escaped_vars_id): Remove.
2093 (nonlocal_vars_id): Remove.
2094 (constraint_expr_type): Add INCLUDES.
2095 (graph_size): Removed.
2096 (dump_constraint): Support INCLUDES.
2097 (build_constraint_graph): Ditto.
2098 (collapse_nodes): Add merge_solutions argument.
2099 Don't merge attributes.
2100 (process_unification_queue): Just use collapse_nodes.
2101 (perform_var_substitution): Update call to collapse_nodes.
2102 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2103 (process_constraint): Fix non-field sensitive handling
2105 (get_constraint_for): Use INCLUDES.
2106 (make_constraint_from_anything): Renamed from
2107 make_constraint_from_escaped.
2108 (make_constraint_to_escaped): Removed.
2109 (find_global_initializers): Removed.
2110 (create_variable_info_for): Do not make constraints to escaped
2112 (dump_solution_for_var): Don't print out the equivalent points-to
2113 sets, just use the name of the variable it shares it with.
2114 (intra_create_variable_infos): Use INCLUDES.
2115 Change nonlocal variable sets to anything sets.
2116 (init_base_vars): Remove escaped_vars and nonlocal_var
2118 (find_escape_constraints): Removed.
2119 (delete_points_to_sets): Remove dead code.
2120 (used_smt_calculated): New variable.
2121 (set_used_smts): New function.
2122 (merge_smts_into): New function.
2123 (find_what_p_points_to): Modify to use SMTs.
2124 (create_nonlocal_var): Remove.
2126 * tree-ssa-operands.c (access_can_touch_variable): Remove
2127 reference to nonlocal_all.
2129 * tree-ssa.c (verify_name_tags): Remove.
2131 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2133 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2134 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2136 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2138 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2139 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2140 (add_livein_if_notdef): Delete.
2141 (loe_visit_block): New. Propogate live on entry info for a block into
2142 each predecessor. If it changes, make sure it is visited again.
2143 (live_worklist): Visit every block and update the live on entry info
2144 for preds. Iterate over any that changed.
2145 (set_var_live_on_entry): Populate the live on entry blocks with bits
2146 based on the immediate uses of a var.
2147 (calculate_live_on_entry): Remove.
2148 (calculate_live_on_exit): Calculate live on exit based on the newly
2149 oriented live on entry bits.
2150 (calculate_live_ranges): Build live on entry and exit vectors.
2151 (dump_live_info): Use new orientation of live on entry bitmaps.
2152 (verify_live_on_entry): New. Split out verification code from old
2153 calculate_live_on_entry routine.
2154 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2155 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2156 basic_block instead of for a partition.
2157 (live_merge_and_clear): Add asserts.
2158 (make_live_on_entry): Set partition bit in basic block vector.
2160 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2163 * omp-low.c (expand_omp_for_static_nochunk,
2164 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2168 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2169 parallels if region->exit or region->inner->exit is NULL.
2170 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2172 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2173 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2174 or region->exit is NULL.
2175 (expand_omp_sections): Handle NULL region->cond or region->exit.
2178 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2180 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2181 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2183 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2185 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2186 TYPE_MAX_VALUE for scalar types here but...
2187 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2188 is attached an error mark, and the return value of the callback
2189 if it is not NULL_TREE.
2191 2006-12-04 Ben Elliston <bje@au.ibm.com>
2193 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2195 2006-12-03 Eric Christopher <echristo@apple.com>
2198 * config/t-slibgcc-darwin: Pass -install_name.
2199 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2200 libtool. Only pass through options that the linker recognizes.
2201 (LINK_SPEC): Update comment. Translate options.
2202 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2203 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2205 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2207 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2209 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2212 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2213 operands[1] in insn constraint. Correct type attribute to sselog1.
2215 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2218 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2220 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2221 processor detection.
2223 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2224 -march=native if there is no -mtune=*.
2226 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2229 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2231 * doc/install.texi: Update recommended MPFR version. Remove
2232 obsolete reference to cumulative patch.
2234 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2237 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2239 2006-11-30 Jan Hubicka <jh@suse.cz>
2240 Uros Bizjak <ubizjak@gmail.com>
2242 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2243 32bit memcpy/memset decriptors.
2244 (decide_alg): With -minline-all-stringops and sizes that are best
2245 to be copied via libcall still work hard enough to pick non-libcall
2248 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2250 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2252 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2253 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2254 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2255 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2256 config/spu/spu-c.c, config/spu/spu-modes.def,
2257 config/spu/spu.c, config/spu/spu.md,
2258 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2259 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2260 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2261 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2262 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2263 spelling conventions.
2265 * config/i386/i386.c: Fix a comment typo.
2267 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2269 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2270 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2271 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2272 better optimization.
2273 (floatv4siv4sf2): New.
2274 (fix_truncv4sfv4si2): New.
2275 (floatunsv4siv4sf2): New.
2276 (fixuns_truncv4sfv4si2): New.
2284 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2285 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2286 spu_resolve_overloaded_builtin instead of static inline functions.
2288 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2290 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2291 type instead of the size of its mode to compute the highest and
2292 lowest possible values. Still check the size of the mode before
2293 flipping the signedness of the comparison.
2295 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2297 * config/spu/predicates.md (spu_mov_operand): Add.
2298 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2299 (print_operand_address, print_operand): Handle addresses containing AND.
2300 (spu_split_load, spu_split_store): Use updated movti pattern.
2301 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2302 stores in mov patterns for correct operation of reload.
2303 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2305 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2308 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2310 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2312 * common.opt (ftree-combine-temps): Remove.
2313 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2314 (coalesce_ssa_name): Don't check for combine-temps.
2315 (coalesce_vars): Remove.
2316 (check_replaceable): Use num_imm_uses.
2317 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2318 check for combine-temps.
2319 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2320 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2321 to register_ssa_partition calls.
2322 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2323 (init_var_map, delete_var_map): remove refernces to ref_count.
2324 (create_ssa_var_map): Never calculate a ref count.
2325 (type_var_init): Remove.
2326 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2327 (SSA_VAR_MAP_REF_COUNT): Delete.
2328 (create_ssa_var_map): Change Prototype to have no parameters.
2329 (version_ref_count): Delete.
2330 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2332 (type_var_num, type_var, type_var_first_partition,
2333 type_var_next_partition, type_var_dump, type_var_delete,
2334 type_var_remove_partition, type_var_find, type_var_compact,
2335 type_var_decompact): Remove.
2337 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2339 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2342 2006-12-01 Richard Guenther <rguenther@suse.de>
2345 * dwarf2out.c (struct pubname_struct): Make name const.
2346 (add_pubtype): Do not xstrdup identifiers.
2348 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2350 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2351 multiword accesses are in range.
2353 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2355 PR tree-optimization/29921
2356 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2357 (set_lattice_value): Use canonicalize_float_value.
2359 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2361 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2362 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2363 (spu_cpu_cpp_builtins): Remove.
2364 (spu_override_options): Don't set warn_main.
2365 (spu_force_reg): Move from spu-c.c.
2366 (spu_check_builtin_parm): Likewise.
2367 (expand_builtin_args): Likewise.
2368 (spu_expand_builtin_1): Likewise.
2369 (spu_expand_builtin): Likewise.
2370 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2371 warn_main and targetm.resolve_overloaded_builtin.
2372 * config/spu/spu-c.c (spu_builtin_range): Remove.
2373 (spu_check_builtin_parm): Remove.
2374 (expand_builtin_args): Remove.
2375 (spu_expand_builtin_1): Remove.
2376 (spu_expand_builtin): Remove.
2377 (spu_cpu_cpp_builtins): Moved from spu.c
2378 (spu_force_reg): Remove.
2380 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2381 David Edelsohn <edelsohn@gnu.org>
2384 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2385 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2386 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2387 HARD_REGNO_NREGS_WITH_PADDING): Define.
2388 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2389 HARD_REGNO_NREGS_WITH_PADDING): Define.
2390 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2391 Use new macros to detect modes with holes; do not look at integer
2393 (subreg_offset_representable_p): Check for and disallow cases
2394 where the modes use different numbers of bits from registers.
2395 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2396 constant for soft-float.
2397 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2399 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2400 in E500 double case.
2401 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2402 (movtf_softfloat): New.
2404 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2406 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2407 simplify_gen_subreg.
2409 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2411 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2412 (COALESCE_HASH_FN): New. Define hash function.
2413 (partition_pair_map_hash): New. Hash value for a partition pair.
2414 (partition_pair_map_eq): New. Equality for hash pairs.
2415 (create_coalesce_list): Create hash table.
2416 (delete_coalesce_list): Free hash table.
2417 (find_partition_pair): Find/create pairs in hash table.
2418 (compare_pairs): Sort pairs in ascending order now.
2419 (num_coalesce_pairs): New. Number of pairs in hash table.
2420 (struct partition_pair_iterator): Iterator struct for pair table.
2421 (first_partition_pair): Iterator function for first pair.
2422 (end_partition_pair_p): Iterator function for end of iteration.
2423 (next_partition_pair): Iterator function for next pair.
2424 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2425 (sort_coalesce_list): Sort pairs from hash table into an array.
2426 (pop_best_coalesce): Take pairs from the array.
2427 (dump_coalesce_list): Update to use hash table or sorted array.
2428 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2429 (struct coalesce_list_d): Add hash table related fields.
2431 2006-11-30 Jan Hubicka <jh@suse.cz>
2434 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2435 memmove/bcopy->memcpy conversion.
2437 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2439 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2440 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2441 Default is the largest alignment supported for 32-bit ELF and
2442 representable on a 32-bit host.
2444 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2446 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2448 2006-11-30 Jan Hubicka <jh@suse.cz>
2450 * tree-ssa-operands.h (struct ssa_operands): New.
2451 * tree-flow-inline.h (gimple_ssa_operands): New function.
2452 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2453 * Makefile.in: Remove gt-tree-ssa-operands.h
2454 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2455 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2456 operand_memory, operand_memory_index, ops_active): Remove statics.
2457 (ALLOC_OPTYPE): Update.
2458 (operand_build_sort_virtual): Update.
2459 (ssa_operands_active): Update.
2460 (init_ssa_operands): Update.
2461 (fini_ssa_operands): Update.
2462 (ssa_operand_alloc): Update.
2463 (INITIALIZE_USE): Update.
2464 (finalize_ssa_use_ops): Update.
2465 (finalize_ssa_v_may_def_ops): Update.
2466 (finalize_ssa_vuse_ops): Update.
2467 (finalize_ssa_v_must_def_ops): Update.
2469 2006-11-30 Richard Guenther <rguenther@suse.de>
2471 * tree-vectorizer.h (vectorizable_function): Export.
2472 * tree-vect-transform.c (vectorizable_function): Likewise.
2473 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2474 type_in to scalar type in recognition of squaring.
2475 Make sure the target can vectorize sqrt in recognition
2476 of sqrt, set type_in to vector type in this case.
2478 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2480 * config/i386/i386.md (R10_REG): New constant.
2481 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2482 (ix86_emit_restore_regs_using_mov): Ditto.
2483 (ix86_expand_call): Ditto.
2484 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2486 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2488 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2489 * alias.c (canon_true_dependence): Update comment.
2491 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2493 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2494 at the end of a diagnostics message.
2496 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2497 until after asserting that it was allocated in the right pool.
2499 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2500 successor edge information as well. Make output of live regs
2501 on exit consistent with live regs on entry.
2503 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2506 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2507 insn patterns for TARGET_80387.
2508 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2509 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2510 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2511 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2512 Generate truncxf<mode>2 insn patterns for strict SSE math.
2514 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2516 * config/i386/i386.md (movsf_1): Enable pattern for standard
2517 80387 constants before reload when optimizing for size.
2518 (*movdf_nointeger, *movdf_integer): Ditto.
2519 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2520 80387 constants before reload when not optimizing for size.
2522 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2523 extension of XFmode input operands.
2525 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2527 * config/spu/crt0.c (__dso_handle): Define.
2529 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2531 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2532 when clearing the used flags.
2534 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2536 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2538 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2541 * config/spu/spu.md (extend_compare<mode>): New pattern.
2542 (extend_compare): Change to expand and use the above pattern.
2544 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2546 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2548 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2549 (DFP_INIT_ROUNDMODE): Define.
2550 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2551 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2553 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2555 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2556 Update documentation.
2557 (associate_line_notes_with_blocks): Kill.
2558 (extend_bb): Remove basic block argument, put void instead.
2559 Remove line number handling for each bb.
2560 (save_line_notes): Kill.
2561 (restore_line_notes): Kill.
2562 (sched_init): Remove line_note_head initialization.
2563 Change extend_bb call.
2564 (sched_finish): Remove free of line_note_head.
2565 (add_block): Change extend_bb call.
2566 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2567 rm_line_notes and restore_line_notes calls.
2568 (schedule_ebbs): Remove rm_redundant_line_notes.
2569 * sched-int.h (struct haifa_insn_data): Remove line_note.
2570 (save_line_notes): Remove declaration.
2571 (restore_line_notes): Remove declaration.
2572 * modulo-sched.c (loop_canon_p): Update debug info printing
2573 by using insn locators instead of line note.
2574 (sms_schedule): Update debug info printing, by using insn
2575 locators instead of line note.
2576 * sched-rgn.c (debug_dependencies): Remove handling of case
2577 n>0 (line number), since it's a dead code.
2578 (schedule_region): Remove save_line_notes and
2579 restore_line_notes calls.
2581 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2583 * config/rs6000/predicates.md (gpc_reg_operand): Check
2584 invalid_e500_subreg.
2585 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2586 SImode subregs of SPE vectors.
2587 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2588 * jump.c (true_regnum): Require subregs to satisfy
2589 subreg_offset_representable_p.
2591 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2592 Steven Bosscher <stevenb.gcc@gmail.com>
2594 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2595 since it no longer exists.
2597 2006-11-29 Duncan Sands <baldrick@free.fr>
2599 PR tree-optimization/23744
2600 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2602 2006-11-29 Duncan Sands <baldrick@free.fr>
2604 PR tree-optimization/23744
2605 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2607 2006-11-29 Duncan Sands <baldrick@free.fr>
2609 PR tree-optimization/23744
2610 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2612 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2614 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2616 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2618 * sh.opt (minline-ic_invalidate): New option.
2619 (musermode): Adjust comment.
2620 * sh.c (sh_initialize_trampoline): Emit library call unless
2621 is set; if it is set, don't emit library call if we can use icbi
2623 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2624 icbi for TARGET_SH4_300.
2625 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2626 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2627 -musermode documentation.
2629 2006-11-29 Jim Tison <jtison@us.ibm.com>
2631 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2632 __gthread_recursive_mutex_init): Define.
2634 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2636 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2637 STRICT_ALIGNMENT and the type is more aligned than the saved
2638 registers, copy via a temporary.
2640 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2643 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2646 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2648 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2650 2006-11-28 Jan Hubicka <jh@suse.cz>
2652 Privatize SSA variables into gimple_df.
2653 * tree-flow-inline.h
2654 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2655 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2656 gimple_nonlocal_all): New accessors.
2657 (first_referenced_var): Update.
2658 (mark_stmt_modified): Update.
2659 (is_call_clobbered): Update.
2660 (mark_call_clobbered): Update.
2661 (clear_call_clobbered): Update.
2662 (mark_non_addressable): Update.
2663 * tree-vrp.c (get_value_range): Update.
2664 * tree-into-ssa.c (in_ssa_p): Kill.
2665 (get_default_def_for): Update.
2666 (rewrite_into_ssa): Update.
2667 * tree-complex.c (init_parameter_lattice_values): Update.
2668 (update_complex_assignment): Update.
2669 (update_parameter_components): Update.
2670 (expand_complex_libcall): Update.
2671 (expand_complex_operations_1): Update.
2672 * tree-tailcall.c (arg_needs_copy_p): Update.
2673 (add_virtual_phis): Update.
2674 (tree_optimize_tail_calls_1): Update.
2675 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2676 * tree-ssa-copyrename.c
2677 (copy_rename_partition_coalesce): Update.
2678 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2679 * tree-ssa-propagate.c (set_rhs): Update.
2680 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2681 addressable_vars, global_var):Kill.
2682 (set_initial_properties): Update.
2683 (init_alias_info): Update.
2684 (finalize_ref_all_pointers): Update.
2685 (setup_pointers_and_addressables): Update.
2686 (maybe_create_global_var): Update.
2687 (create_global_var): Update.
2688 (dump_points_to_info): Update.
2689 * function.h (struct gimple_df): Forward declare.
2690 (struct function): Add GIMPLE_DF field.
2691 * gimplify.c (force_gimple_operand): Update.
2692 * tree-dfa.c (referenced_vars, default_defs): KIll.
2693 (make_rename_temp): Update.
2694 (dump_variable): Update.
2695 (referenced_var_lookup): Update.
2696 (referenced_var_check_and_insert): Update.
2697 (default_def): Rename to ...
2698 (gimple_default_def): ... this one; accept cfun argument.
2699 (set_default_def): Update.
2700 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2701 (cleanup_control_flow): Update.
2702 * tree-ssa-pre.c (compute_avail): Update
2703 * tree-ssa-live.c (calculate_live_on_entry): Update.
2704 * tree-ssa.c (verify_use): Update.
2705 (verify_call_clobbering): Update.
2706 (verify_call_clobbering): Update.
2707 (init_tree_ssa): Update.
2708 (delete_tree_ssa): Update.
2709 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2710 (rewrite_out_of_ssa): Update.
2711 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2712 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2714 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2715 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2716 addressable_vars, aliases_computed_p): Kill.
2717 (default_def): Rename to...
2718 (gimple_default_def): ... this one.
2719 (defaule_def_fn): Kill.
2720 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2721 * tree-ssa-structalias.c (nonlocal_all): Kill.
2722 (get_constraint_exp_from_ssa_var): Update.
2723 (create_nonlocal_var): Update.
2724 (get_constraint_for): Update.
2725 (update_alias_info): Update.
2726 (find_global_initializers): Update.
2727 (intra_create_variable_infos): Update.
2728 (intra_create_variable_infos):
2729 (find_what_p_points_to): Update.
2730 (init_alias_heapvars): Update.
2731 * tree-cfg.c (remove_bb): Update.
2732 (gimplify_val): Update.
2733 * tree-ssa-reassoc.c (get_rank): Update.
2734 (init_reassoc): Update.
2735 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2736 (ssa_names, free_ssanames): Kill.
2737 (init_ssanames): Update.
2738 (make_ssa_name): Update.
2739 (release_ssa_name): Update.
2740 (release_defs): Update.
2741 (replace_ssa_name_symbol): Update.
2742 * tree-ssa-operands.c (access_can_touch_variable): Update.
2743 (add_virtual_operand): Update.
2744 (add_call_clobber_ops): Update.
2745 (add_call_read_ops): Update.
2746 (get_call_expr_operands): Update.
2747 (get_asm_expr_operands): Update.
2749 2006-11-28 Jan Hubicka <jh@suse.cz>
2751 * builtins.c: Include tree-flow.h.
2752 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2753 assignment; convert memmove to memcpy for sizes greater than 1 where
2754 alignment of operands prohibit the partial overlap.
2756 2006-11-28 Jan Hubicka <jh@suse.cz>
2758 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2759 * cgraph.c (dump_cgraph_node): Dump stack usage.
2760 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2761 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2762 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2763 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2764 (cgraph_check_inline_limits): Limit stack growth.
2765 * cfgexpand.c: Include tree-inline.h.
2766 (account_stack_vars): New function.
2767 (expand_one_var): New param to just account the stack; return estimated
2769 (expand_used_vars_for_block): Update call of expand_one_var.
2770 (account_used_vars_for_block): New function.
2771 (estimated_stack_frame_size): Likewise.
2772 (init_vars_expansion, fini_vars_expansion): Break out from..
2773 (expand_used_vars): ... here.
2774 * tree-inline.h (estimated_stack_frame_size): Declare.
2775 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2777 2006-11-28 Richard Guenther <rguenther@suse.de>
2779 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2780 unsigned long for printing OBJECT_SIZE.
2782 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2784 * alias.c (init_alias_analysis): Remove simplification loop
2785 after propagating pointers.
2787 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2789 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2792 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2794 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2796 2006-11-27 Roger Sayle <roger@eyesopen.com>
2797 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2799 * c-common.c (constant_fits_type_p): Delete.
2800 (unsigned_conversion_warning): Delete.
2801 (conversion_warning): Integrate Wconversion warning from
2802 unsigned_conversion_warning.
2803 (convert_and_check): Integrate Woverflow warning from
2804 unsigned_conversion_warning. Reorganize and simplify to avoid
2805 dependence upon the middle-end setting TREE_OVERFLOW on integral
2806 conversions, by using int_fits_type_p directly.
2808 2006-11-27 Tobias Burnus <burnus@net-b.de>
2810 * doc/invoke.texi: Fixed typo.
2812 2006-11-27 Michael Matz <matz@suse.de>
2813 Andreas Krebbel <krebbel1@de.ibm.com>
2816 * config/s390/predicates.md (larl_operand): Check addend of larl
2817 operand to be in range of -/+2GB.
2818 * config/s390/s390.c (legitimize_pic_address): Likewise.
2819 Changed type of variable even to HOST_WIDE_INT.
2821 2006-11-27 Jan Hubicka <jh@suse.cz>
2823 * expr.c (emit_block_move_via_libcall): Export.
2824 (clear_storage_via_libcall): Rename to ...
2825 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2826 (clear_storage): Update to set_storage_via_libcall.
2827 * expr.h (emit_block_move_via_libcall): Declare
2828 * config/i386/i386.h (stringop_alg): New enum.
2829 (MAX_STRINGOP_ALGS): New constant.
2830 (stringop_algs): New struct.
2831 (processor_costs): Add memcpy/memset descriptors.
2832 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2833 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2834 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2836 * config/i386/i386.opt (minline-stringops-dynamically,
2837 mstringop-strategy): New
2839 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2840 (ix86_expand-clrmem): Rename to ...
2841 (ix86_expand_setmem): ... this one; update prototype.
2842 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2843 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2844 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2845 nocona_cost, core2_cost, generic_cost, generic64_cost,
2846 generic32_cost): Add memcpy/memset descriptors.
2847 (x86_rep_movl_optimal): Remove.
2848 (stringop_alg): New static variable.
2849 (ix86_expand_aligntest): Handle predictions.
2850 (override_options): Add strgop_alg handling.
2851 (predict_jump): New function.
2852 (scale_counter): New function.
2853 (expand_set_or_movmem_via_loop): New function.
2854 (expand_movmem_via_rep_mov): New function.
2855 (expand_setmem_via_rep_stots): New function.
2856 (emit_strmov): New function.
2857 (expand_movmem_epilogue): New function.
2858 (expand_setmem_epilogue_via_loop): New function.
2859 (expand_setmem_epilogue): New function.
2860 (expand_movmem_prologue): New function.
2861 (expand_setmem_prologue): New function.
2862 (decide_alg): New function.
2863 (decide_alignment): New function.
2864 (ix86_exand_movmem): Rewrite.
2865 (promote_duplicated_reg): New function.
2866 (ix86_expand_clrmem): Rename to ...
2867 (ix86_expand_setmem): ... this one. Rewrite.
2869 * invoke.texi (minline-stringops-dynamically): New command line option.
2870 (mstringop-strategy): Likewise.
2872 2006-11-27 Jan Hubicka <jh@suse.cz>
2874 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2875 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2876 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2877 * insn-notes.def (FUNCTION_END): Remove.
2878 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2879 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2881 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2882 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2883 * cfglayout.c (duplicate_insn_chain): Don't worry about
2886 2006-11-27 Richard Guenther <rguenther@suse.de>
2887 Zdenek Dvorak <dvorakz@suse.cz>
2889 * target.h (struct gcc_target): Add builtin_vectorized_function
2891 * target-def.h (TARGET_VECTORIZE): Likewise.
2892 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2893 Document new target hook.
2894 * targhooks.h (default_builtin_vectorized_function): Declare.
2895 * targhooks.c (default_builtin_vectorized_function): Define.
2896 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2897 (vectorizable_call): Declare.
2898 * tree-vect-analyze.c (vect_analyze_operations): Call
2900 * tree-vect-transform.c (vectorizable_function): New static function.
2901 (build_vectorized_function_call): Likewise.
2902 (vectorizable_call): New function.
2903 (vect_transform_stmt): Handle vectorizable calls.
2905 2006-11-27 Richard Guenther <rguenther@suse.de>
2908 * builtins.c (expand_builtin_pow): Optimize non integer valued
2909 constant exponents using sqrt or cbrt if possible. Always fall back
2910 to expanding via optabs.
2912 2006-11-27 Ira Rosen <irar@il.ibm.com>
2914 PR tree-optimization/22372
2915 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2916 the type of the base address.
2917 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2918 it in the data-ref pointer creation.
2919 (vect_init_vector): Add an argument, type of the init vector. Use it in
2921 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2922 (get_initial_def_for_reduction): Likewise.
2923 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2925 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2926 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2927 correct type in stmt creation.
2928 (vect_setup_realignment): Use the correct type in stmt creation.
2929 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2931 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2932 of MODIFY_EXPR to void_type_node.
2933 (vectorizable_condition): Change type of MODIFY_EXPR to
2935 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2938 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2941 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2942 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2943 standard 80387 constants, raise the cost to prevent
2944 compress_float_constant() to generate load from memory.
2946 * config/i386/i386.md: Add new splitter pattern to split
2947 float_extended load of constant from constant pool into
2950 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2952 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2953 section to general section. Remove documentation for
2954 --with-mpfr-dir and --with-gmp-dir, add documentation for
2955 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2958 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2960 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2962 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2964 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2966 PR tree-optimization/29122
2967 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2968 for the new version. Assign NULL to DECL_RTL of the new version.
2970 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2972 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2974 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2976 * cse.c (cse_altered): Remove.
2977 (record_jump_equiv): Make true/false argument a bool instead
2979 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2980 where appropriate. Emit a new jump before the existing one
2981 instead of after so that delete_insn_and_edges removes the
2982 dead edges properly. Check any_condjump_p before calling
2984 (cse_basic_block): Check any_condjump_p before calling
2986 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2988 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2990 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2991 -ffixed-line-length-* options.
2993 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2995 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2996 (fprem1xf4): Rename to fprem1xf4_i387.
2998 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2999 Rename patterns to fmod<mode>3. Use general_operand operand
3000 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3001 patterns for SSE math.
3002 (remaindersf3, remainderdf3): Ditto.
3004 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3006 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3007 inside start_sequence / end_sequence pair.
3009 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3011 * jump.c (mark_all_labels): Work in cfglayout mode.
3012 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3013 when in cfglayout mode, because there are no dead jumptables
3015 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3017 (commit_edge_insertions): Do not allow insertion of instructions
3018 with control flow insns when in cfglayout mode.
3020 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3022 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3024 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3025 unswitch_loop): Ditto.
3026 * tree-loop-linear.c (linear_transform_loops): Ditto.
3027 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3028 tree_ssa_lim): Ditto.
3029 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3030 free_numbers_of_iterations_estimates): Ditto.
3031 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3032 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3033 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3034 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3035 place_new_loop, duplicate_loop, duplicate_subloops,
3036 update_single_exit_for_duplicated_loops, copy_loops_to,
3037 duplicate_loop_to_header_edge, create_preheaders,
3038 force_single_succ_latches, loop_version, fix_loop_structure):
3040 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3041 tree_unroll_loop): Ditto.
3042 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3043 * tree-scalar-evolution.c (select_loops_exit_conditions,
3044 scev_initialize, scev_analysis): Ditto.
3045 * tree-scalar-evolution.h (scev_initialize): Ditto.
3046 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3047 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3048 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3049 * modulo-sched.c (sms_schedule): Ditto.
3050 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3051 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3052 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3053 * ifcvt.c (if_convert): Ditto.
3054 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3055 canonicalize_loop_induction_variables,
3056 canonicalize_induction_variables,
3057 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3058 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3059 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3060 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3061 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3062 tree_ssa_loop_done): Ditto.
3063 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3064 estimate_bb_frequencies): Ditto.
3065 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3066 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3067 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3068 decide_unrolling_and_peeling, peel_loop_completely,
3069 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3070 peel_loop_simple, unroll_loop_stupid): Ditto.
3071 * loop-doloop.c (doloop_optimize_loops): Ditto.
3072 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3073 * loop-invariant.c (move_loop_invariants): Ditto.
3074 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3075 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3076 tree_ssa_prefetch_arrays): Ditto.
3077 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3079 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3080 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3081 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3082 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3083 verify_loop_structure): Ditto.
3084 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3085 canonicalize_induction_variables, tree_unroll_loops_completely,
3086 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3087 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3088 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3089 tree_unroll_loop, linear_transform_loops): Declaration changed.
3090 * basic-block.h: Remove declaration of struct loops.
3091 * cfghooks.h (struct cfg_hooks): Change type of
3092 cfg_hook_duplicate_loop_to_header_edge.
3093 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3094 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3095 vect_transform_loop): Declaration changed.
3096 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3097 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3098 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3099 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3100 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3101 loopify, loop_version, remove_path, unswitch_loops,
3102 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3103 Declaration changed.
3105 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3107 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3108 (X87MODEF): New mode macro.
3109 (ssemodefsuffix): New mode attribute.
3110 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3111 (sqrt_extend<mode>xf2_i387): New insn pattern.
3112 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3113 insn and truncate result back to original mode using
3114 UNSPEC_TRUNC_NOOP truncation.
3115 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3116 ssemodefsuffix mode attribute.
3117 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3118 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3119 (*sqrtextenddfxf2_i387): Remove insn patterns.
3121 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3122 truncation patterns.
3124 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3126 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3129 * c-tree.h (c_maybe_initialize_eh): New prototype.
3130 * c-decl.c (finish_decl): Move EH initialization...
3131 (c_maybe_initialize_eh): ... here. New function.
3132 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3133 if not #pragma omp atomic.
3136 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3137 or UNION_TYPE inner types.
3139 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3142 * ipa-pure-const.c (check_tree): If the original tree
3143 is volatile return early and say the function is not pure
3144 nor const. Remove the volatile check for writes.
3145 (analyze_function): Print out the result of the local
3148 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3150 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3152 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3153 * config/rs6000/rs6000.c (rs6000_override_options): Use
3154 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3157 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3159 * config/s390.c (s390_emit_compare_and_swap): New function.
3160 (s390_expand_cs_hqi, s390_expand_atomic): Call
3161 s390_emit_compare_and_swap.
3163 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3165 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3167 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3171 * c-common.c (conversion_warning): New.
3172 (convert_and_check): Call conversion_warning unless there is an
3174 * doc/invoke.texi (-Wconversion): Update description.
3176 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3178 * tree-ssa-alias.c (tree_pointer_compare): New function.
3179 (compact_name_tags): New function.
3180 (group_aliases): Call compact_name_tags.
3182 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3184 * real.h (real_isinteger): Declare.
3185 * real.c (real_isinteger): Define.
3186 * builtins.c (integer_valued_real_p): Use it.
3188 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3191 * c.opt (Wtraditional-conversion): New.
3192 (Wconversion): Update description.
3193 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3194 type conversions different from what would happen in the absence
3195 of prototype are now handled by Wtraditional-conversion.
3196 * doc/invoke.texi (Wtraditional-conversion): New.
3197 (Wconversion): Update description.
3198 * doc/trouble.texi (Wconversion): Replace Wconversion by
3199 Wtraditional-conversion.
3201 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3203 * predict.c (tree_estimate_probability): Check to make
3204 sure current_loops is non null before calling flow_loops_dump.
3206 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3208 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3210 2006-11-23 David Ung <davidu@mips.com>
3212 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3214 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3215 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3216 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3217 high part of FP register when in 64-bit FP register mode. Similarly
3218 use gen_mfhc1 to load high part of FP register.
3219 (override_options): Allow -mgp32 and -mfp64 combination if
3220 ISA_HAS_MXHC1 (currently for O32 only).
3221 (mips_cannot_change_mode_class): If floating-point registers are
3222 bigger than word size. disallow conversion of float register from a
3223 large integer mode to a float mode smaller than the float register
3225 (mips_class_max_nregs): Handle float registers case seperately.
3226 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3228 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3229 (movdf_hardfloat_32bit): Similarly.
3230 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3231 support a full 64-bit fpu.
3232 (mthc1): New pattern to generate MTHC1 instruction.
3233 (mfhc1): New pattern to generate MFHC1 instruction.
3234 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3235 option for the MIPS32R2 and mention its use under O32 ABI.
3237 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3239 * var-tracking.c (emit_note_insn_var_location): Take care not to
3240 cause verify_flow_info failures.
3242 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3244 * tree-ssa-structalias.c: Remove edge weights in favor of just
3245 processing them as complex constraints.
3246 (struct constraint_graph): Remove weighted succs and preds. Rename
3247 nonweighted succs and preds.
3248 (constraint_edge): Removed.
3249 (constraint_edge_t): Ditto.
3250 (constraint_edge_pool): Ditto.
3251 (new_constraint_edge): Ditto.
3252 (constraint_edge_equal): Ditto.
3253 (constraint_edge_less): Ditto.
3254 (constraint_edge_vec_find): Ditto.
3255 (erase_self_graph_edge): Ditto.
3256 (add_graph_edge): Removed.
3257 (get_graph_weights): Ditto.
3258 (allocate_graph_weights): Ditto.
3259 (valid_weighted_graph_edge): Ditto
3260 (bitmap_other_than_zero_bit_set): Ditto.
3261 (int_add_graph_edge): Renamed to add_graph_edge.
3262 (clear_edges_for_node): Remove support for weighted edges.
3263 (merge_graph_nodes): Ditto.
3264 (valid_graph_edge): Ditto.
3265 (build_constraint_graph): Ditto.
3267 (collapse_nodes): Ditto.
3268 (process_unification_queue): Ditto.
3269 (topo_visit): Ditto.
3270 (do_ds_constraint): Ditto.
3271 (perform_var_subsitution): Ditto.
3272 (solve_graph): Ditto.
3273 (init_alias_vars): Ditto.
3274 (delete_points_to_sets): Ditto.
3275 (do_complex_constraint): Support offsetted copies here.
3277 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3279 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3281 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3283 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3286 2006-11-23 Ben Elliston <bje@au.ibm.com>
3288 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3290 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3292 PR tree-optimization/29921
3293 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3294 signed and unsigned zero equal.
3296 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3298 * config/rs6000/rs6000.c (get_store_dest): New.
3299 (adjacent_mem_locations): Use get_store_dest() to get
3300 the rtl of the store destination.
3302 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3304 * config/rs6000/spe.md (SPE64): New mode macro.
3305 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3307 (mov_si<mode>_e500_subreg0_2): New.
3308 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3310 (mov_si<mode>_e500_subreg4_2): New.
3311 * config/rs6000/predicates.md (input_operand): Do not allow
3312 invalid E500 subregs.
3313 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3315 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3316 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3317 involving vector modes if TARGET_SPE.
3319 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3322 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3323 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3325 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3327 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3328 mem_i_address_operand): New predicates.
3329 * config/bfin/bfin.c (bfin_issue_rate): New function.
3330 (TARGET_SCHED_ISSUE_RATE): New macro.
3331 * config/bfin/bfin.md (addrtype): New attribute.
3332 (slot0, slot1, slot2, store, pregs): New cpu_units.
3333 (core): Now a define_reservation.
3334 (alu): Remove some insn types from this reservation.
3335 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3337 (dummy reservation): Don't trigger for mcld insns.
3338 (absence_sets): Two new absence sets to enforce slot ordering.
3339 (popsi_insn): Set addrtype.
3341 2006-11-22 Ira Rosen <irar@il.ibm.com>
3343 * doc/c-tree.texi: Document new tree codes.
3344 * doc/md.texi: Document new optabs.
3345 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3347 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3348 * optabs.h (optab_index): Add new.
3349 (vec_extract_even_optab, vec_extract_odd_optab,
3350 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3351 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3352 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3354 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3355 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3356 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3357 along with macros for their access.
3358 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3360 * tree-vect-analyze.c (toplev.h): Include.
3361 (vect_determine_vectorization_factor): Fix indentation.
3362 (vect_insert_into_interleaving_chain,
3363 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3364 (vect_analyze_data_ref_dependence): Add argument for interleaving
3365 check. Check for interleaving if it's true.
3366 (vect_check_dependences): New function.
3367 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3368 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3369 (vect_update_misalignment_for_peel): Update for interleaving.
3370 (vect_verify_datarefs_alignment): Check only first data-ref for
3372 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3373 only first data-ref for interleaving.
3374 (vect_analyze_data_ref_access): Check interleaving, update
3376 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3377 with different parameters.
3378 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3379 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3380 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3381 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3382 Update step in case of interleaving.
3383 (vect_strided_store_supported, vect_permute_store_chain): New
3385 (vectorizable_store): Handle strided stores.
3386 (vect_strided_load_supported, vect_permute_load_chain,
3387 vect_transform_strided_load): New functions.
3388 (vectorizable_load): Handle strided loads.
3389 (vect_transform_stmt): Add argument. Handle strided stores. Check
3390 that vectorized stmt exists for patterns.
3391 (vect_gen_niters_for_prolog_loop): Update calculation for
3393 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3394 whole chain vectorization.
3395 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3396 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3397 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3398 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3399 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3401 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3403 * cse.c (enum taken): Remove PATH_AROUND.
3404 (addr_affects_sp_p, invalidate_skipped_set,
3405 invalidate_skipped_block): Remove.
3406 (cse_end_of_basic_block): Remove skip_blocks and related code.
3407 (cse_main): Don't test for flag_cse_skip_blocks.
3408 Update cse_end_of_basic_block call.
3409 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3410 code to lengthen the path if a jump was simplified.
3412 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3414 PR rtl-optimization/29924
3415 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3416 (unroll_loop_runtime_iterations): Assert that the argument passed to
3417 split_edge_and_insert is not NULL.
3418 * loop-doloop.c (add_test): Ditto.
3420 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3422 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3424 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3425 * cfgloopmanip.c (update_single_exits_after_duplication,
3426 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3427 * tree-scalar-evolution.c (get_loop_exit_condition,
3428 get_exit_conditions_rec, loop_closed_phi_def,
3429 number_of_iterations_in_loop, scev_const_prop): Ditto.
3430 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3431 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3433 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3435 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3436 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3437 slpeel_make_loop_iterate_ntimes,
3438 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3439 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3441 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3442 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3443 vect_analyze_loop_form): Ditto.
3444 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3445 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3446 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3447 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3448 vect_transform_loop): Ditto.
3449 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3450 (single_exit, set_single_exit): New functions.
3451 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3452 (single_exit, set_single_exit): Declare.
3453 * doc/loop.texi: Undocument single_exit field. Document single_exit
3456 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3458 PR tree-optimization/29902
3459 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3460 any involved ssa name appears in abnormal phi node.
3462 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3464 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3465 (xtensa_const_ok_for_letter_p): Delete.
3466 (xtensa_extra_constraint): Delete.
3467 (override_options): Delete xtensa_char_to_class initialization.
3468 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3469 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3470 (EXTRA_CONSTRAINT): Delete.
3471 * config/xtensa/xtensa.md: Include constraints.md.
3472 (call_internal): Combine alternatives.
3473 (call_value_internal): Likewise, and remove invalid constraints.
3474 * config/xtensa/constraints.md: New file.
3475 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3476 (xtensa_extra_constraint): Delete.
3477 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3480 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3482 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3483 of conversion that doesn't fit.
3485 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3486 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3487 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3489 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3491 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3493 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3495 2006-11-21 Richard Guenther <rguenther@suse.de>
3497 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3498 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3499 vect_recog_pow_pattern.
3500 (vect_recog_pow_pattern): New function.
3502 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3504 * config/bfin/bfin.opt (mstack-check-l1): New.
3505 * doc/invoke.texi (Blackfin Options): Document it.
3506 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3507 stack bounds in L1 memory if the new option is enabled.
3508 (override_options): Don't allow combinations of -fstack-limit and
3510 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3513 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3515 (bfin_register_move_cost): Bump costs if trying to move plain
3516 integer values through accumulators.
3518 2006-11-21 Ben Elliston <bje@au.ibm.com>
3520 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3522 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3523 Russell Olsen <Russell_Olsen@playstation.sony.com>
3524 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3525 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3526 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3527 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3528 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3530 * config.gcc: Add target for SPU.
3531 * config/spu/constraints.md: New file.
3532 * config/spu/crt0.c: New file.
3533 * config/spu/crtend.c: New file.
3534 * config/spu/crti.asm: New file.
3535 * config/spu/crtn.asm: New file.
3536 * config/spu/float_unsdidf.c: New file.
3537 * config/spu/float_unssidf.c: New file.
3538 * config/spu/predicates.md: New file.
3539 * config/spu/spu-builtins.def: New file.
3540 * config/spu/spu-builtins.h: New file.
3541 * config/spu/spu-builtins.md: New file.
3542 * config/spu/spu-c.c: New file.
3543 * config/spu/spu-elf.h: New file.
3544 * config/spu/spu-modes.def: New file.
3545 * config/spu/spu-protos.h: New file.
3546 * config/spu/spu.c: New file.
3547 * config/spu/spu.h: New file.
3548 * config/spu/spu.md: New file.
3549 * config/spu/spu.opt: New file.
3550 * config/spu/spu_internals.h: New file.
3551 * config/spu/spu_intrinsics.h: New file.
3552 * config/spu/spu_mfcio.h: New file.
3553 * config/spu/t-spu-elf: New file.
3554 * config/spu/vec_types.h: New file.
3555 * config/spu/vmx2spu.h: New file.
3556 * doc/contrib.texi: Document SPU contributor.
3557 * doc/extend.texi: Document SPU extensions.
3558 * doc/invoke.texi: Document SPU options.
3559 * doc/md.texi: Document SPU constraints.
3561 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3563 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3565 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3567 (flow_loop_dump): Do not dump loop level.
3568 (flow_loops_find): Do not call flow_loops_level_compute.
3569 * cfgloop.h (struct loop): Remove level field.
3571 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3573 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3574 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3575 Use vector of edges instead of array.
3576 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3577 estimate_numbers_of_iterations_loop): Ditto.
3578 * predict.c (predict_loops): Ditto.
3579 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3580 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3582 * basic-block.h: Declare heap allocation for edge vectors.
3583 * tree-outof-ssa.c: Ditto.
3584 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3585 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3587 2006-11-20 Zack Weinberg <zackw@panix.com>
3589 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3590 Add another out parameter, "skip".
3591 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3592 is tagged "skip", do not mark its type used.
3594 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3597 * tree-sra.c (single_scalar_field_in_record_p): New function.
3598 (decide_block_copy): Use it.
3600 2006-11-20 David Daney <ddaney@avtrex.com>
3602 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3603 PC to point to following instruction.
3605 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3609 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3611 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3613 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3615 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3616 Add sh/superh.h to tm_file.
3618 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3619 Mark Mitchell <mark@codesourcery.com>
3621 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3623 (cpp_relocated): New function.
3624 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3626 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3627 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3628 replace configured prefix with gcc_exec_prefix.
3630 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3632 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3633 bfin_legitimate_constant_p.
3634 * config/bfin/bfin.md (movsi expander): Check return value of
3636 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3637 (expand_move): Adjust prototype.
3638 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3639 invalid constants specially.
3640 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3642 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3644 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3645 sibcall_value_symbol): Allow these patterns if
3646 TARGET_LEAF_ID_SHARED_LIBRARY.
3647 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3648 (override_options): Turn on id shared library flags if -msep-data,
3649 but disallow the combination of these options on the command line.
3650 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3651 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3652 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3653 -mid-shared-library.
3654 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3655 * doc/invoke.texi (Blackfin Options): Document new switches.
3657 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3658 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3660 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3661 inflate costs for addresses with an out-of-bounds address.
3663 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3666 * fwprop.c (loops): Remove.
3667 (forward_propagate_into): Use current_loops instead of
3669 (fwprop_init): Call loop_optimizer_init instead of
3671 (fwprop_done): Call loop_optimizer_finalize instead of
3673 (fwprop): Use current_loops instead of loops.
3675 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3678 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3680 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3683 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3684 larger than BITS_PER_WORD.
3686 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3690 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3691 to MAX_FIXED_MODE_SIZE.
3693 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3695 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3696 (fold_builtin_fmin_fmax): New.
3697 (fold_builtin_1): Use it.
3699 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3701 2006-11-18 Richard Guenther <rguenther@suse.de>
3703 * config/i386/i386.c (ix86_builtins): New array for ix86
3704 builtin function decls.
3705 (def_builtin): New function.
3706 (def_builtin_const): Likewise.
3707 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3709 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3711 * doc/invoke.texi (core2): Add item.
3713 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3715 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3716 (TARGET_CPU_DEFAULT_generic): Change value.
3717 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3718 (processor_type): Add new constant PROCESSOR_CORE2.
3720 * config/i386/i386.md (cpu): Add core2.
3722 * config/i386/i386.c (core2_cost): New initialized variable.
3723 (m_CORE2): New macro.
3724 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3725 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3726 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3727 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3728 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3729 x86_accumulate_outgoing_args, x86_prologue_using_move,
3730 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3731 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3732 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3733 x86_pad_returns): Add m_CORE2.
3734 (override_options): Add entries for Core2.
3735 (ix86_issue_rate): Add case for Core2.
3737 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3739 * doc/invoke.texi: Fix mno-isel typo.
3741 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3743 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3744 easy vector constant loads.
3746 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3748 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3749 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3750 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3751 * config/rs6000/sync.md (lwsync): Emit plain sync if
3754 2006-11-17 DJ Delorie <dj@redhat.com>
3756 * reload1.c (reloads_unique_chain): New.
3757 (reloads_conflict): Call it.
3759 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3761 * config/xtensa/predicates.md (addsubx_operand): New.
3762 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3763 (xtensa_emit_bit_branch): New.
3764 (xtensa_emit_movcc): New.
3765 * config/xtensa/xtensa.md (any_minmax): New code macro.
3766 (minmax): New code attribute.
3767 (any_cond, any_scc, any_scc_sf): New code macros.
3768 (*addx2, *addx4, *addx8): Delete.
3770 (*subx2, *subx4, *subx8): Delete.
3772 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3773 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3774 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3775 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3776 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3777 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3778 (movsfcc_internal0, movsfcc_internal1): Likewise.
3779 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3780 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3781 (xtensa_emit_bit_branch): New.
3782 (xtensa_emit_movcc): New.
3783 (function_arg_boundary): Add missing prototype.
3785 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3787 * config/xtensa/xtensa.md (tstsi): Delete
3789 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3791 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3793 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3795 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3797 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3799 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3801 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3803 * tree-vrp.c (execute_vrp): Do not update current_loops.
3804 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3805 * doc/loop.texi: Remove documentation for cancelled functions.
3806 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3807 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3809 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3810 (remove_path): Ensure that in delete_basic_blocks, the loops
3811 are still allocated.
3812 (add_loop): Work on valid loop structures.
3813 (loopify): Modify call of add_loop.
3814 (mfb_update_loops): Removed.
3815 (create_preheader): Do not update loops explicitly.
3816 (force_single_succ_latches, loop_version): Do not use
3817 loop_split_edge_with.
3818 (loop_split_edge_with): Removed.
3819 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3820 Do not use bsi_insert_on_edge_immediate_loop.
3821 (split_loop_exit_edge, tree_unroll_loop): Do not use
3822 loop_split_edge_with.
3823 (bsi_insert_on_edge_immediate_loop): Removed.
3824 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3825 use loop_split_edge_with.
3826 * cfghooks.c: Include cfgloop.h.
3827 (verify_flow_info): Verify that loop_father is filled iff current_loops
3829 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3830 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3832 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3834 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3835 loop_split_edge_with.
3836 (sms_schedule): Use current_loops.
3837 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3838 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3840 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3841 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3842 * ifcvt.c (if_convert): Ditto.
3843 * predict.c (predict_loops): Do not clear current_loops.
3844 (tree_estimate_probability): Use current_loops.
3845 (propagate_freq): Receive head of the region to propagate instead of
3847 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3848 (estimate_loops): New function. Handle case current_loops == NULL.
3849 (estimate_bb_frequencies): Do not allocate tovisit. Use
3851 * tree-ssa-loop.c (current_loops): Removed.
3852 (tree_loop_optimizer_init): Do not return loops.
3853 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3854 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3855 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3856 Do not update loops explicitly.
3857 * function.h (struct function): Add x_current_loops field.
3858 (current_loops): New macro.
3859 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3860 * loop-unroll.c (split_edge_and_insert): New function.
3861 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3862 use loop_split_edge_with.
3863 * loop-doloop.c (add_test, doloop_modify): Ditto.
3864 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3865 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3866 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3867 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3869 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3870 (flow_loops_free): Do not free dfs_order and rc_order.
3871 (flow_loops_find): Do not set dfs_order and rc_order in loops
3872 structure. Do not call loops and flow info verification.
3873 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3874 already belongs to some loop.
3875 * cfgloop.h (struct loops): Remove struct cfg.
3876 (current_loops, loop_split_edge_with): Declaration removed.
3877 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3878 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3879 Declaration removed.
3880 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3881 * basic-block.h (split_edge_and_insert): Declare.
3882 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3884 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3886 PR tree-optimization/29801
3887 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3888 (get_default_value): Use get_symbol_constant_value.
3889 (set_lattice_value): ICE when the value of the constant is
3891 (visit_assignment): Ignore VDEFs of read-only variables.
3893 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3895 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3897 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3898 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3900 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3902 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3903 select subvars of var.
3905 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3908 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3909 optimize if DEF doesn't have integral type.
3911 2006-11-16 Mike Stump <mrs@apple.com>
3913 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3914 pre-darwin9 system, unless the user asks for it directly.
3915 (PREFERRED_DEBUGGING_TYPE): Likewise.
3916 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3917 * config.gcc: Add suppport for darwin9.h.
3918 * config/darwin9.h: Add.
3919 * doc/install.texi (Specific): Clarify darwin documentation.
3921 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3923 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3924 optimizing for size.
3926 2006-11-16 Mike Stump <mrs@apple.com>
3928 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3930 2006-11-16 Dirk Mueller <dmueller@suse.de>
3932 * tree-vrp.c (get_value_range): Use XCNEW instead
3934 (insert_range_assertions): Use XCNEWVEC instead
3935 of XNEWVEC and memset.
3936 (vrp_initialize): Same.
3937 (vrp_finalize): Same.
3938 * tree-ssa-ccp.c (ccp_initialize): Same.
3939 * predict.c (tree_bb_level_predictions): Same.
3940 * calls.c (expand_call): Same.
3941 * tree-ssa-copy.c (init_copy_prop): Same.
3942 (fini_copy_prop): Same.
3943 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3944 of GGC_NEW and memset.
3946 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3949 * gimplify.c (gimplify_expr): Only force a load for references to
3950 non-BLKmode volatile values.
3951 * doc/implement-c.texi (Qualifiers implementation): Document the
3952 interpretation of what a volatile access is.
3953 * doc/extend.texi (C++ Extensions): Rework same documentation.
3955 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3957 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3960 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3962 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3964 (arm_neg_abssi2): Renamed from neg_abssi2.
3965 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3967 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3969 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3970 number of arguments passed to local functions in SSE registers is 3.
3972 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3973 number of arguments passed in SSE registers to 3.
3975 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3978 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3980 (get_last_bb_insn): ... new global function.
3981 (basic_block.h): Declare it.
3982 * haifa-sched.c (create_recovery_block): Use it.
3984 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3987 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3989 2006-11-15 Paul Brook <paul@codesourcery.com>
3991 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3992 _Unwind_GetTextRelBase): Move from here ...
3993 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3994 _Unwind_GetTextRelBase): ... To here.
3996 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3998 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3999 addresses we generate for testing are aligned.
4001 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4004 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4005 to what is the const decl is a place holder for.
4007 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4009 * config/i386/i386.opt: New target option -mx87regparm.
4011 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4012 and float_in_x87 variables. mmx_words, sse_words: Remove.
4013 (X87_REGPARM_MAX): Define.
4015 * config/i386/i386.c (override_options): Error out for
4016 -mx87regparm but no 80387 support.
4017 (ix86_attribute_table): Add x87regparm.
4018 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4019 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4020 (ix86_function_x87regparm): New function.
4021 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4023 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4025 (function_arg_advance): Process x87_nregs and x87_regno when
4026 floating point argument is to be passed in 80387 register.
4027 (function_arg): Pass XFmode arguments in 80387 registers for local
4028 functions. Pass SFmode and DFmode arguments to local functions
4029 in 80387 registers when flag_unsafe_math_optimizations is set.
4031 * reg-stack.c (convert_regs_entry): Disable NaN load for
4032 stack registers that are used for argument passing.
4034 * doc/extend.texi: Document x87regparm function attribute.
4035 * doc/invoke.texi: Document -mx87regparm.
4037 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4039 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4040 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4041 arg MODE; all callers changed. Use it to determine validity per
4042 machine mode instead of using Pmode for all memory references.
4043 (get_address_cost): Likewise add and use new arg MEM_MODE.
4045 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4046 J"orn Rennecke <joern.rennecke@st.com>
4048 * combine.c (likely_spilled_retval_1): Fix masking operation.
4049 (likely_spilled_retval_p): Use proper pattern for call to
4050 likely_spilled_retval_1.
4052 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4054 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4056 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4057 that tests for CONSTANT_POOL_ADDRESS_P.
4059 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4061 PR tree-optimization/29581
4062 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4063 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4064 type is different between Y and USE, create a temporary
4065 variable, initialize it at the beginning of the body bb
4066 and use it as replacement instead of Y.
4068 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4071 * gimplify.c (fold_indirect_ref_rhs): Use
4072 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4074 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4076 * expmed.c (emit_store_flag_1): New function.
4077 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4079 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4080 Use do_compare_rtx_and_jump.
4081 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4082 * arm.md (cstoresi4): New define_expand.
4083 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4084 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4085 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4087 2006-11-14 Caroline Tice <ctice@apple.com>
4089 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4090 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4092 (pubname_table): Redefine as a vector.
4093 (pubtype_table): New static global variable, defined as a vector.
4094 (pubname_table_allocated): Remove static global variable.
4095 (pubname_table_in_use): Remove static global variable.
4096 (PUBNAME_TABLE_INCREMENT): Remove constant.
4097 (size_of_pubnames): Add parameter to deal with either pubnames or
4098 pubtypes, and change code to deal with table being a vector.
4099 (add_pubname): Change to deal with table being a vector.
4100 (add_pubtype): New function.
4101 (output_pubnames): Add parameter to deal with either pubnames or
4102 pubtypes, and change code to deal with table being a vector.
4103 (gen_array_type_die): Add call to add_pubtype.
4104 (gen_enumeration_type_die): Add call to add_pubtype.
4105 (gen_struct_or_union_type_die): Add call to add_pubtype.
4106 (gen_subroutine_type_die): Add call to add_pubtype.
4107 (gen_typedef_die): Add call to add_pubtype.
4108 (dwarf2out_init): Add code to initialize pubname_table and
4109 pubtype_table vectors; also initialize debug_pubtypes_section.
4110 (prune_unused_types): Change to deal with pubnames being a vector.
4111 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4112 pubnames table to call to output_pubnames; Add code to output pubtypes
4113 table if DEBUG_PUBTYPES_SECTION is defined.
4114 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4116 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4118 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4120 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4121 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4122 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4123 movv2si_internal): Support moves between core registers.
4125 2006-11-14 Eric Christopher <echristo@apple.com>
4127 * configure: Regenerate with autoconf 2.59.
4129 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4131 Fix PR tree-optimization/27755
4133 * tree-ssa-pre.c: Update comments.
4134 (bb_bitmap_sets): Add pa_in and deferred member.
4135 (BB_DEFERRED): New macro.
4136 (maximal_set): New variable.
4137 (pre_stats): Add pa_insert member.
4138 (bitmap_set_and): Short circuit orig == dest.
4139 (bitmap_set_subtract_values): New function.
4140 (bitmap_set_contains_expr): Ditto.
4141 (translate_vuses_through_block): Add phiblock argument.
4142 (dependent_clean): New function.
4143 (compute_antic_aux): Update for maximal_set changes.
4144 (compute_partial_antic_aux): New function.
4145 (compute_antic): Handle partial anticipation.
4146 (do_partial_partial_insertion): New function.
4147 (insert_aux): Handle partial anticipation.
4148 (add_to_sets): Add to maximal set.
4149 (compute_avail): Ditto.
4150 (init_pre): Initialize maximal_set.
4151 (execute_pre): Do partial anticipation if -O3+.
4153 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4155 PR rtl-optimization/29798
4157 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4158 TARGET_INSN before any other check.
4159 (fwprop_init): Always calculate dominators.
4160 (fwprop_done): Always free them.
4162 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4164 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4167 2006-11-13 DJ Delorie <dj@redhat.com>
4169 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4170 temporary for intermediates.
4172 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4174 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4175 (sh_optimize_target_register_callee_saved): #if 0 the code
4176 using NOTE_INSN_LOOP_{BEG,END}.
4178 2006-11-13 Roger Sayle <roger@eyesopen.com>
4180 * fold-const.c (optimize_bit_field_compare): Recursively call
4181 fold when simplifying non-constant comparisons between bit-fields.
4183 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4185 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4187 * configure: Rebuilt.
4189 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4191 * config/rs6000/cell.md: New file.
4192 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4194 (ppccell_cost): New cost matrix.
4195 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4196 (rs6000_override_options): Set rs6000_always_hint to false
4197 for cell. Also align functions/lables/loops to 8byte
4198 for the Cell. Use PROCESSOR_CELL.
4199 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4200 using_mtcr_multiple.
4201 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4202 on the Cell, return 0.
4203 (rs6000_adjust_cost): Add Cell cost adjustments.
4204 (is_microcoded_insn): Return true for Cell microcoded
4206 (is_nonpipeline_insn): New function.
4207 (rs6000_issue_rate): Add PROCESSOR_CELL.
4208 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4210 (rs6000_use_sched_lookahead_guard): New function.
4211 (rs6000_sched_reorder): Reorder the ready list, if the second
4212 to last ready insn is a nonepipeline insn on the Cell.
4213 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4214 (ASM_CPU_SPEC): Add Cell.
4215 * config/rs6000/rs6000.md (cpu): Add Cell.
4216 (cell_micro): New Attr.
4219 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4221 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4223 * configure: Rebuilt.
4225 2006-11-13 Richard Guenther <rguenther@suse.de>
4227 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4229 (ix86_expand_lfloorceil): Likewise.
4230 (ix86_expand_rint): Likewise.
4231 (ix86_expand_floorceildf_32): Likewise.
4232 (ix86_expand_floorceil): Likewise.
4233 (ix86_expand_rounddf_32): Likewise.
4234 (ix86_expand_truncdf_32): Likewise.
4235 (ix86_expand_round): Likewise.
4237 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4238 Mark Mitchell <mark@codesourcery.com>
4240 * gcc.c: Organize search path variables into $prefix relative,
4241 and well-known native. Add comments.
4242 (add_sysrooted_prefix): Add comment.
4243 (process_command): If !gcc_exec_prefix add $prefix based paths.
4244 If *cross_compile == '0', add native well-known paths.
4245 Assert tooldir_base_prefix is always relative.
4246 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4247 use this value for 'install:' path.
4248 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4250 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4252 * config/i386/i386.c: Fix a typo in comment.
4254 2006-11-13 Michael Matz <matz@suse.de>
4256 * genemit.c (gen_expand): Allocate enough memory.
4258 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4260 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4261 __GXX_TYPEINFO_EQUALITY_INLINE but not
4262 __GXX_MERGED_TYPEINFO_NAMES.
4263 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4264 __GXX_MERGED_TYPEINFO_NAMES.
4265 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4266 __GXX_TYPEINFO_EQUALITY_INLINE.
4268 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4269 Zdenek Dvorak <dvorakz@suse.cz>
4271 PR tree-optimization/29680
4272 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4275 2006-11-12 Jason Merrill <jason@redhat.com>
4276 Andrew Pinski <pinskia@physics.uc.edu>
4279 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4281 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4283 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4284 * tree.c (build_vector): Handle non-_CST elements.
4286 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4288 * genemit.c (gen_insn): Call gen_exp with a non-null used
4289 when handling multiple insns.
4290 (gen_expand): Likewise.
4291 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4292 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4293 (movsi_const_16bit+1): Copy operands[1].
4294 (call_pcrel): Copy the call_site pattern.
4295 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4297 2006-11-12 Roger Sayle <roger@eyesopen.com>
4299 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4300 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4301 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4302 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4304 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4306 Fix PR tree-optimization/29587
4307 * tree-ssa-structalias.c (process_constraint): Don't
4308 mark address taken due only to escaped vars constraint.
4310 2006-11-12 Michael Matz <matz@suse.de>
4311 Roger Sayle <roger@eyesopen.com>
4313 PR rtl-optimization/29797
4314 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4315 BITS_BIG_ENDIAN targets.
4317 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4319 * builtins.c (fold_builtin_cosh): New.
4320 (fold_builtin_1): Use it.
4321 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4322 trunc to the list of "odd" functions. Also add llrint, lrint,
4323 rint and nearbyint when flag_rounding_math is false.
4325 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4327 * tree-flow.h (name_mappings_registered_p): Declare.
4328 * tree-into-ssa.c (name_mappings_registered_p): New function.
4329 * tree-cfg.c (tree_can_merge_blocks_p): Check
4330 name_mappings_registered_p instead of need_ssa_update_p.
4332 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4334 * tree-ssa-loop.c (tree_vectorize): Return the result of
4336 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4337 if anything changed.
4338 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4339 * tree-flow.h (vectorize_loops): Declaration changed.
4341 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4343 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4345 (issue_prefetch_ref): Move assignment to write_p out of loop.
4346 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4347 SIMULTANEOUS_PREFETCHES into account.
4348 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4349 * lambda-code.c (lcm): Renamed to ...
4350 (least_common_multiple): ... and exported.
4351 * tree-flow.h (least_common_multiple): Declare.
4353 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4355 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4356 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4357 ud-chains. Handle AND_EXPR.
4358 (record_estimate): Record whether the estimate is realistic
4359 and whether it is derived from a loop exit.
4360 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4361 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4363 (compute_estimated_nb_iterations): Take only realistic bounds into
4364 account. Set estimate_state. Use double_ints.
4365 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4366 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4367 that do not have to be always executed.
4368 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4369 to determine whether to call infer_loop_bounds_from_undefined
4370 and compute_estimated_nb_iterations.
4371 (n_of_executions_at_most): Use double_ints.
4372 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4373 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4374 * double-int.c (double_int_to_tree): Improve comment.
4375 (double_int_fits_to_tree_p): New function.
4376 * double-int.h (double_int_fits_to_tree_p): Declare.
4377 * tree-data-ref.c: Include langhooks.h.
4378 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4379 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4380 (analyze_array): Do not pass estimate_only argument to
4381 analyze_array_indexes.
4382 (get_number_of_iters_for_loop): Build tree from the stored double_int
4384 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4385 (find_data_references_in_loop): Use find_data_references_in_stmt.
4386 * tree-data-ref.h (struct data_ref_loc_d): New.
4387 (get_references_in_stmt): Declare.
4388 (estimate_iters_using_array): Declaration removed.
4389 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4390 double_int. Improve comments. Add is_exit and realistic
4392 (struct loop): Changed type of estimated_nb_iterations to double_int.
4393 Added estimate_state field.
4394 (record_estimate): Declaration removed.
4396 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4398 * params.c (set_param_value): Initialize the "set" field.
4399 * params.h (struct param_info): Add "set" field.
4400 (PARAM_SET_P): New macro.
4401 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4402 L1_CACHE_LINE_SIZE): New macros.
4403 * toplev.c (DEFPARAM): Initialize the "set" field.
4404 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4405 SIMULTANEOUS_PREFETCHES): Removed.
4406 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4407 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4408 * config/sparc/sparc.c: Include params.h.
4409 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4410 L1_CACHE_LINE_SIZE parameters.
4411 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4413 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4415 * config/i386/i386.c: Include params.h.
4416 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4417 (override_options): Set SIMULTANEOUS_PREFETCHES and
4418 L1_CACHE_LINE_SIZE parameters.
4419 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4420 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4421 L1_CACHE_LINE_SIZE parameters.
4422 * config/ia64/ia64.c (ia64_optimization_options): Set
4423 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4424 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4426 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4427 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4428 * doc/invoke.texi: Document new params.
4430 2006-11-12 Roger Sayle <roger@eyesopen.com>
4432 PR tree-optimization/13827
4433 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4436 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4438 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4439 update_single_exit_for_duplicated_loops): New functions.
4440 (duplicate_loop_to_header_edge): Use
4441 update_single_exit_for_duplicated_loops.
4442 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4443 functions only with ENABLE_CHECKING.
4445 2006-11-12 Andreas Schwab <schwab@suse.de>
4447 * except.c (sjlj_emit_function_enter): Remove unused variable.
4449 2006-11-11 Roger Sayle <roger@eyesopen.com>
4451 * fold-const.c (int_binop_types_match_p): New function.
4452 (size_binop): Relax constraint that both arguments must both have
4453 exactly the same sizetype type. Instead use int_binop_types_match_p.
4454 (size_diffop): Likewise.
4456 (make_range): Use build_int_cst instead of fold_convert.
4457 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4458 integer constants of the correct type.
4459 (fold_div_compare): Likewise.
4460 (fold_single_bit_test): Likewise.
4461 (fold_binary): Likewise.
4462 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4463 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4465 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4468 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4469 non null value if the struct memory access is in the 0th
4472 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4475 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4476 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4479 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4480 instead of builtin_define for bfin and BFIN.
4482 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4484 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4487 2006-11-11 Jan Hubicka <jh@suse.cz>
4489 * extend.texi (__builtin_expect): We no longer require second argument
4491 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4492 * builtins.c (expand_builtin_expect): Simplify.
4493 (expand_builtin_expect_jump): Kill.
4494 * final.c (final_scan_insn): Do not skip the removed notes.
4495 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4496 EXPECTED_VALUE): Remove.
4497 * dojump.c (do_jump): Do not care about __builtin_expect.
4498 * predict.c (expected_value_to_br_prob): Kill.
4499 * function.c (expand_function_end): Do not expand
4500 NOTE_INSN_REPEATED_LINE_NUMBER.
4501 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4502 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4503 * cfgexpand.c (add_reg_br_prob_note): Export.
4504 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4505 expected_value_to_br_prob.
4506 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4507 * rtl.h (add_reg_br_prob_note): Declare.
4509 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4511 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4513 2006-11-11 Jan Hubicka <jh@suse.cz>
4515 * predict.c (predict_loops): Kill RTL variant.
4517 2006-11-11 Jan Hubicka <jh@suse.cz>
4519 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4520 * modulo-sched.c (find_line_note): Remove.
4521 (loop_canon_p): Do not worry about line number notes.
4522 (sms_schedule): Likewise.
4523 * cse.c (cse_main): Likewise.
4524 * regmove.c (fixup_match_1): Likewise
4525 * function.c (emit_return_info_block): Likewise.
4526 (expand_function_end): Likewise.
4527 (thread_prologue_an_epilogue_insns): Likewise.
4528 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4530 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4531 emit_note_copy_after): Kill.
4532 (emit_note_copy): Do not worry about line numbers.
4533 * jump.c (purge_line_number_notes): Kill.
4534 (pass_purge_lineno_notes): Kill.
4535 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4537 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4538 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4539 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4540 * tree-pass.h (pass_purge_lineno_notes): Kill.
4541 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4542 rm_redundant_line_notes.
4543 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4544 rm_redundant_line_notes.
4545 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4546 * haifa-sched.c: Update comment about handling notes.
4547 (unlink_line_notes): Kill.
4548 (rm_line_notes): Kill.
4549 (save_line_notes): Simplify.
4550 (rm_redundant_line_notes): Kill.
4552 2006-11-11 Richard Guenther <rguenther@suse.de>
4554 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4555 Remove unused tree codes.
4556 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4557 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4558 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4559 * tree.c (stabilize_reference): Likewise.
4560 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4561 fold_unary): Likewise.
4562 * tree-gimple.c (is_gimple_cast): Likewise.
4563 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4564 * expr.c (expand_expr_real_1): Likewise.
4565 * tree-eh.c (tree_could_trap_p): Likewise.
4566 * gimplify.c (gimplify_expr): Likewise.
4567 * tree-inline.c (estimate_num_insns_1): Likewise.
4568 * tree-cfg.c (verify_expr): Likewise.
4570 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4572 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4573 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4574 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4576 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4579 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4580 constraints accept neither registers or memories.
4582 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4584 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4585 (NO_PROFILE_COUNTERS): Define as 1.
4587 2006-11-10 Roger Sayle <roger@eyesopen.com>
4589 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4590 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4592 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4594 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4596 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4598 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4599 (fold_builtin_hypot): Likewise.
4600 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4602 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4604 2006-11-10 Roger Sayle <roger@eyesopen.com>
4606 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4607 when attempting to build INTEGER_CSTs of non-integral types.
4608 * expmed.c (make_tree): Use the correct type, i.e. the inner
4609 type, when constructing the individual elements of a CONST_VECTOR.
4611 2006-11-10 Jan Hubicka <jh@suse.cz>
4613 * cse.c (cse_process_notes): Copy the propagated value.
4614 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4616 * gcse.c (try_replace_reg): Copy the replacement.
4617 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4618 (assign_386_stack_local): Always return copied memory expression
4619 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4622 2006-11-10 Jan Hubicka <jh@suse.cz>
4624 * final.c (final): Walk from first instruction.
4625 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4627 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4630 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4632 (umulv8hi3_highpart): Ditto.
4633 (vec_widen_smult_hi_v8hi): New expander.
4634 (vec_widen_smult_lo_v8hi): Ditto.
4636 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4639 * builtins.c (do_mpfr_arg3): New.
4640 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4642 2006-11-09 Eric Christopher <echristo@apple.com>
4647 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4648 * config.gcc (powerpc64-*-darwin*): New target.
4649 * config.host: Ditto.
4650 * config/rs6000/darwin64.h: New file.
4651 * config/rs6000/x-darwin64: Ditto.
4652 * config/rs6000/host-ppc64-darwin.c: Ditto.
4654 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4656 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4657 routines for integer division.
4659 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4661 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4663 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4666 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4668 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4670 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4671 simplify_subreg with BLKmode outer mode.
4673 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4675 * doc/invoke.texi: Minor formatting fixes in option lists.
4677 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4679 PR tree-optimization/29738
4680 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4681 (ccp_lattice_t): Remove UNKNOWN_VAL.
4682 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4683 Do not handle UNKNOWN_VAL.
4684 (get_default_value): Set initial value of virtual operands to
4686 (get_value): Always use get_default_value on uninitialized
4688 (set_value_varying, surely_varying_stmt_p): New functions.
4689 (set_lattice_value): Do not pass argument to get_value.
4690 Do not handle UNKNOWN_VAL.
4691 (likely_value): Follow the semantics described in the comment.
4692 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4693 phi nodes DONT_SIMULATE_AGAIN.
4694 (ccp_fold): Do not pass argument to get_value.
4695 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4698 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4700 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4701 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4703 2006-11-08 Roger Sayle <roger@eyesopen.com>
4705 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4706 test for inclusion rather than as a test for exclusion.
4707 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4708 the condition after calling fold_binary.
4709 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4710 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4711 * builtins.c (fold_builtin_isascii): Likewise.
4712 (fold_builtin_isdigit): Likewise.
4714 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4716 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4717 * configure: Regenerate.
4719 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4721 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4722 enum argument instead of bool.
4723 (vect_analyze_operations): Call vectorizable_type_promotion.
4724 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4725 stmt_vec_info_type value.
4726 (supportable_widening_operation, vectorizable_type_promotion): New
4727 function declarations.
4728 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4729 (vectorizable_type_promotion): New function.
4730 (vect_transform_stmt): Call vectorizable_type_promotion.
4731 * tree-vect-analyze.c (supportable_widening_operation): New function.
4732 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4734 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4737 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4738 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4739 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4741 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4742 * expr.c (expand_expr_real_1): Likewise.
4743 * optabs.c (optab_for_tree_code): Likewise.
4744 (init_optabs): Initialize new optabs.
4745 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4746 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4747 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4748 vec_unpacku_lo_optab): Initialize new optabs.
4749 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4750 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4751 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4753 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4754 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4755 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4756 (vec_unpacku_lo_optab): New optabs.
4757 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4758 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4759 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4760 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4761 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4762 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4764 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4765 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4766 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4767 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4768 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4769 implement the unsigned unpacking patterns.
4770 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4771 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4772 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4773 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4774 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4775 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4776 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4777 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4778 multiplication patterns.
4780 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4781 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4782 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4783 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4784 (rs6000_builtin_mul_widen_odd): New.
4785 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4786 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4787 * tree-vectorizer.h (enum vect_relevant): New enum type.
4788 (_stmt_vec_info): Field relevant chaned from bool to enum
4790 (STMT_VINFO_RELEVANT_P): Updated.
4791 (STMT_VINFO_RELEVANT): New.
4792 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4793 instead of STMT_VINFO_RELEVANT_P.
4794 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4795 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4796 and boolean variable with enum vect_relevant.
4797 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4798 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4799 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4801 2006-11-08 Richard Henderson <rth@redhat.com>
4803 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4804 vec_widen_umult_lo_v8hi): New.
4805 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4806 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4808 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4809 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4810 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4811 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4812 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4813 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4814 vec_unpacks_lo_v4si): New.
4816 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4818 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4819 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4820 (vect_analyze_operations): Call vectorizable_type_demotion.
4821 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4822 stmt_vec_info_type value.
4823 (vectorizable_type_demotion): New function declaration.
4824 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4827 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4828 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4830 * tree-iniline.c (estimate_num_insns_1): Likewise.
4831 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4832 * optabs.c (optab_for_tree_code): Likewise.
4834 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4835 compared against the predicate of the result is not 'mode' (the input
4836 to the function) but a mode with half the size of 'mode'.
4837 (init_optab): Initialize new optabs.
4838 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4840 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4842 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4843 (vec_pack_usat_optab): Initialize new optabs.
4844 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4845 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4847 2006-11-08 Richard Henderson <rth@redehat.com>
4849 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4850 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4851 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4852 (vec_interleave_highv4si, vec_interleave_lowv4si):
4853 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4855 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4857 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4859 (vect_transform_stmt): Removed redundant code.
4861 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4863 * tree-vect-transform.c (vectorizable_operation): Support multiple
4866 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4868 * tree-vect-transform.c (vect_align_data_ref): Removed.
4869 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4870 Updated function documentation. Return the increment stmt in ptr_incr.
4871 (bump_vector_ptr): New function.
4872 (vect_get_vec_def_for_stmt_copy): New function.
4873 (vect_finish_stmt_generation): Create a stmt_info to newly created
4875 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4877 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4878 VF is greater than the number of elements that can fit in one vector
4880 (vectorizable_operation, vectorizable_condition): Likewise.
4881 (vectorizable_store, vectorizable_load): Support the case that the VF
4882 is greater than the number of elements that can fit in one vector word.
4883 (vect_transform_loop): Don't fail in case of multiple data-types.
4884 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4885 in case of multiple data-types; the smallest type determines the VF.
4886 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4887 if they are of different sizes.
4888 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4889 number of elements rather than number of bytes.
4890 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4891 (vect_can_advance_ivs_p): Fix a dump printout
4893 2006-11-07 Eric Christopher <echristo@apple.com>
4895 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4896 (__bswapsi2): Ditto.
4897 * libgcc2.h: Remove transformation of bswap routines.
4898 * config/i386/i386.md (bswapsi2): New.
4901 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4903 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4904 (handle_gnu_inline_attribute): New function.
4905 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4906 (merge_decls, start_decl, start_function): Likewise.
4907 * doc/extend.texi: Document gnu_inline attribute.
4909 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4912 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4913 _fixunstfdi, and _floatditf
4915 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4917 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4919 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4920 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4921 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4922 which start in an odd register.
4924 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4926 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4928 2006-11-07 Josh Conner <jconner@apple.com>
4930 * doc/invoke.texi (fstrict-aliasing): Move implementation
4932 * doc/tree-ssa.texi (Alias analysis): ...here.
4934 2006-11-07 Richard Guenther <rguenther@suse.de>
4936 PR tree-optimization/29610
4937 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4938 of tree_purge_dead_eh_edges as it may free dominators.
4940 * g++.dg/other/pr29610.C: New testcase.
4942 2006-11-07 David Ung <davidu@mips.com>
4944 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4945 costs when optimizing for size.
4946 (override_options): Use mips_rtx_cost_optimize_size table for cost
4949 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4951 * gcc.c (process_command): Treat -b as normal switch if its argument
4954 2006-11-07 David Ung <davidu@mips.com>
4956 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4959 2006-11-06 Eric Christopher <echristo@apple.com>
4961 * config.gcc: Add x86_64-darwin host support.
4962 * config.host: Ditto.
4963 * config/i386/darwin64.h: New file.
4964 * config/i386/t-darwin64: Ditto.
4966 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4968 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4969 and output-exists-not.
4971 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4974 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4975 checking for overflow.
4977 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4979 * configure.ac: Fixed typo in case statement: :: changed to ;;
4981 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4983 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4984 count_leading_zeros, and count_trailing_zeros.
4985 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4986 (TARGET_FOLD_BUILTIN): Define.
4987 (TARGET_EXPAND_BUILTIN): Define.
4988 (xtensa_init_builtins): New.
4989 (xtensa_fold_builtin): New.
4990 (xtensa_expand_builtin): New.
4991 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4992 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4993 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4994 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4995 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4996 (any_extend): New code macro.
4997 (u, su): New code attributes.
4998 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4999 (nsau): Remove; replaced by clzsi2.
5000 (ffssi2): Use clzsi2.
5001 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5002 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5003 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5004 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5005 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5007 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5009 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5011 * config/arm/t-strongarm-elf: Likewise.
5012 * config/arm/t-pe: Likewise.
5013 * config/arm/t-arm-elf: Likewise.
5014 * config/arm/t-xscale-elf: Likewise.
5015 * config/arm/t-arm-coff: Likewise.
5016 * config/arm/t-xscale-coff: Likewise.
5017 * config/arm/t-wince-pe: Likewise.
5019 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5021 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5024 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5027 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5030 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5033 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5034 as a valid 80387 constant.
5035 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5036 * config/i386/i386.md (unnamed splitter): Split the load of
5037 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5040 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5042 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5043 from the soft-frame, argument and virtual registers.
5045 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5047 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5048 patterns for standard 80387 constants.
5050 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5051 Steven Bosscher <steven@gcc.gnu.org>
5053 * fwprop.c: New file.
5054 * Makefile.in: Add fwprop.o.
5055 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5056 * passes.c (init_optimization_passes): Schedule forward propagation.
5057 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5059 * timevar.def (TV_FWPROP): New.
5060 * common.opt (-fforward-propagate): New.
5061 * opts.c (decode_options): Enable forward propagation at -O2.
5062 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5063 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5064 canon_for_address, table_size): Remove.
5065 (new_basic_block, insert, remove_from_table): Remove references to
5067 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5068 simplification loop more straightforward by not calling fold_rtx
5070 (equiv_constant): Move here a small part of fold_rtx_subreg,
5071 do not call fold_rtx. Call avoid_constant_pool_reference
5073 * recog.h (canonicalize_change_group): New.
5075 * doc/invoke.texi (Optimization Options): Document fwprop.
5076 * doc/passes.texi (RTL passes): Document fwprop.
5078 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5080 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5081 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5082 (grokdeclarator): Likewise.
5084 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5086 * tree-dump.c (dump_enable_all): Rename local variable
5087 ir_type to avoid name conflicts.
5088 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5089 instead of using ir_type().
5090 * profile.c (tree_register_profile_hooks): Likewise.
5091 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5092 * basic-block.h (struct edge_def): Likewise.
5093 * config/arm/arm.c (legitimize_pic_address): Likewise.
5094 * coretypes.h (ir_type): New enum of all intermediate languages
5096 * cfghooks.c (ir_type): Rename to...
5097 (current_ir_type): ...this. Distinguish between cfgrtl and
5098 cfglayout mode when the current IR is RTL. Return enum ir_type.
5099 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5101 2006-11-03 Paul Brook <paul@codesourcery.com>
5103 * config/arm/arm.c (arm_file_start): New function.
5104 (TARGET_ASM_FILE_START): Define.
5105 (arm_default_cpu): New variable.
5106 (arm_override_options): Set arm_default_cpu.
5108 2006-11-03 David Ung <davidu@mips.com>
5110 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5111 PROCESSOR_24KC and PROCESSOR_24KF.
5112 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5113 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5114 (mips_rtx_cost_data): Add costs for the 24kc.
5115 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5116 * config/mips/24k.md: Remove references to 24k and replace with
5117 uses of 24kc/24kf in the appropriate reservations.
5118 * doc/invoke.texi (MIPS Options): Updated.
5120 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5122 * config/sh/crt1.asm: Fix #ifdef indent.
5124 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5125 Merged from STMicroelectronics sources:
5126 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5127 * config/sh/crt1.asm (vbr_600): Add missing #if.
5128 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5129 * sh.opt (mfused-madd): New option.
5130 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5131 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5132 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5133 Remove pointless handler at VBR+0.
5134 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5135 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5136 fr7. Make sure the timer handler is called with the correct FPU
5137 precision setting, according to the ABI.
5138 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5139 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5140 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5141 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5142 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5143 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5144 zero as second operand.
5145 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5146 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5147 Fixed some bugs related to negative values, in particular -0
5148 and overflow at -0x80000000.
5149 * config/sh/divcost-analysis: Added sh4-300 figures.
5150 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5151 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5152 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5153 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5154 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5155 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5157 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5159 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5160 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5161 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5162 mac_mem, mem_mac, dfp_mul, fp_cmp.
5163 (insn_class, dfp_comp, any_fp_comp): Update.
5164 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5165 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5166 (muldf3_i): Likewise.
5167 (movsi_i): Split rI08 alternative into two separate alternatives.
5169 (movsi_ie, movsi_i_lowpart): Likewise.
5170 (movqi_i): Split ri alternative into two separate alternatives.
5172 * sh1.md (sh1_load_store, sh1_fp): Update.
5173 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5174 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5175 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5176 (sh4a_fp_double_arith): Likewise.
5177 * sh4-300.md: New file.
5178 * sh.c (sh_handle_option): Handle m4-300* options.
5179 (sh_adjust_cost): Fix latency of auto-increments.
5180 Handle SH4-300 differently than other SH4s. Check for new insn types.
5181 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5182 been set by an option.
5183 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5184 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5185 (mbranch-cost=): Likewise.
5186 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5188 * sh.md (mulsf3): Remove special expansion code.
5189 (mulsf3_ie): Now a define_insn_and_split.
5190 (macsf3): Allow for TARGET_SH4.
5192 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5193 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5194 (expand_cbranchdi4): Likewise.
5195 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5196 CONST_DOUBLE if the outer code is COMPARE.
5197 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5198 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5199 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5200 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5201 Remove redundant fp_{zero,one}_operand checks.
5202 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5203 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5204 (expand_cbranchdi4): Likewise.
5205 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5206 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5208 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5210 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5213 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5215 * doc/invoke.texi: Fix mfp-trap-mode typo.
5217 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5219 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5220 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5221 file_end_indicate_exec_stack.
5222 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5224 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5225 for a non-executable stack.
5226 * crti.asm: Likewise.
5227 * crtn.asm: Likewise.
5228 * libunwind.S: Likewise.
5230 2006-11-02 Ben Elliston <bje@au.ibm.com>
5232 * tree-ssa.c (warn_uninit): Use expand_location variables for
5233 locus and declaration locus.
5235 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5238 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5239 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5240 cmp{eq,gt,gtu}{si,di}_media.
5241 (*cmpne0si_media): Remove.
5242 (*movsicc_umin): Adjust gen_cmp*_media call.
5243 (unordered): Change the mode of unordered and operands[1] to
5245 (seq): Adjust gen_cmp*_media calls. Make the mode of
5246 a temporary result of compare SImode if needed. If the mode
5247 of operands[0] is DImode, extend the temporary result to DImode.
5248 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5249 (sunorderd): Change the mode of match_operand and unorderd to
5251 (cmpeq{sf,df}_media): Remove.
5252 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5253 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5254 and compare operation to SImode.
5256 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5258 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5260 (sparc64-sun-solaris2*): Likewise.
5262 2006-11-02 Paul Brook <paul@codesourcery.com>
5264 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5265 from priority argument. Use different section for non-default
5267 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5269 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5272 * except.c (switch_to_exception_section): Do not cache the section
5273 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5274 and flag_function_sections is set.
5276 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5279 * builtins.c (do_mpfr_sincos): New.
5280 (fold_builtin_1): Use it to fold builtin sincos.
5282 2006-11-01 Roger Sayle <roger@eyesopen.com>
5284 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5285 it into -D_REENTRANT.
5287 2006-11-01 Roger Sayle <roger@eyesopen.com>
5289 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5290 whether the assembler supports taking the difference of symbols in
5291 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5292 * configure: Regenerate.
5293 * config.in: Regenerate.
5294 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5295 the assembler doesn't support taking the difference of symbols in
5296 different sections, i.e. we're using the native solaris assembler.
5298 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5299 Peter Bergner <bergner@vnet.ibm.com>
5301 * doc/invoke.texi: Add cpu_type power6x
5302 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5303 * config.gcc: Add cpu_type power6x.
5304 * configure.ac: Add test for mf{t,f}gpr instructions.
5305 (HAVE_AS_MFPGPR): New.
5306 * config.in: Regenerate.
5307 * configure: Regenerate.
5308 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5309 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5310 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5311 and mftgpr attributes.
5312 (define_attr "cpu"): Add power6.
5313 Change instruction sequences to use new attributes.
5314 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5315 (fix_truncdfsi2_mfpgpr): New.
5316 (floatsidf_ppc64_mfpgpr): New.
5317 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5318 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5319 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5320 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5321 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5322 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5323 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5324 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5325 cntlz,exts and var_delayed_compare.
5326 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5327 _ARCH_PWR6X, if features enabled.
5328 * config/rs6000/rs6000.opt (mmfpgpr): New.
5329 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5330 (cached_can_issue_more): New variable.
5331 (processor_costs): Add power6_cost.
5332 (rs6000_sched_init): New function.
5333 (is_dispatch_slot_restricted): Deleted.
5334 (set_to_load_agen): New function.
5335 (is_load_insn,is_store_insn): New functions.
5336 (adjacent_mem_locations): New function.
5337 (insn_must_be_first_in_group): New function.
5338 (insn_must_be_last_in_group): New function.
5339 (rs6000_sched_reorder): New function.
5340 (rs6000_sched_reorder2): New function.
5341 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5342 TARGET_SCHED_REORDER2): Define.
5343 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5344 Add power6x. Add MASK_MFPGPR for power6x.
5345 (POWERPC_MASKS): Add MASK_MFPGPR.
5346 (rs6000_override_options): Set rs6000_always_hint to false
5347 for power6. Set rs6000_align_branch_targets. Replace
5348 rs6000_sched_groups check with rs6000_align_branch_targets.
5349 Use PROCESSOR_POWER6.
5350 (last_scheduled_insn): New variable.
5351 (load_store_pendulum): New variable.
5352 (rs6000_variable_issue): Set last_scheduled_insn and
5353 cached_can_issue_more.
5354 (rs6000_adjust_cost): Add power6 cost adjustments.
5355 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5356 with insn_must_be_first_in_group. Add power6 priority adjustments.
5357 (rs6000_issue_rate): Add CPU_POWER6.
5358 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5359 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5360 (TARGET_MFPGPR): New.
5361 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5362 (ASM_CPU_SPEC): Add power6x.
5363 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5365 * config/rs6000/power6.md: New file.
5367 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5369 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5370 HOST_WIDE_INT_PRINT to print high and low parts. Use
5371 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5372 printing a hexadecimal number prefix it with 0x.
5374 2006-11-01 Chris Johns <chris@contemporary.net.au>
5377 * Makefile.in (install-driver): Use exeext when installing
5378 $target-gcc-$version.
5380 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5382 * c-common.c (flag_cpp0x): New.
5383 * c-common.h (flag_cpp0x): New.
5384 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5385 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5386 * c-opts.c (set_std_cxx0x): New.
5387 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5388 * c.opt (std=c++0x): Document.
5389 (std=gnu++0x): Ditto.
5390 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5391 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5393 2006-11-01 Richard Guenther <rguenther@suse.de>
5395 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5397 (ix86_expand_floorceildf_32): Likewise.
5398 (ix86_expand_floorceil): Likewise.
5399 (ix86_expand_trunc): Likewise.
5401 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5403 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5406 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5408 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5410 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5412 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5414 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5415 * configure.ac (use_cxa_atexit): As a special case, don't test
5416 for libc definition of __cxa_atexit on mingw32
5417 * configure: Regenerate.
5418 * config.gcc (i[34567]86-pc-mingw32): Default to
5419 enable__cxa_atexit=yes.
5421 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5423 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5425 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5428 * c-decl.c (start_struct): Don't create self-containing
5430 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5432 * config/rs6000/rs6000-protos.h
5433 (darwin_rs6000_special_round_type_align): New.
5434 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5435 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5437 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5439 * toplev.c (compile_file): Call final_write_globals
5440 even if there have been errors.
5442 2006-10-31 Eric Christopher <echristo@apple.com>
5443 Falk Hueffner <falk@debian.org>
5445 * doc/extend.texi (__builtin_bswap32): Document.
5446 (__builtin_bswap64): Ditto.
5447 * doc/libgcc.texi (bswapsi2): Document.
5449 * doc/rtl.texi (bswap): Document.
5450 * optabs.c (expand_unop): Don't widen a bswap.
5451 (init_optabs): Init bswap. Set libfuncs explicitly
5452 for bswapsi2 and bswapdi2.
5453 * optabs.h (OTI_bswap): New.
5454 (bswap_optab): Ditto.
5455 * genopinit.c (optabs): Handle bswap_optab.
5456 * tree.h (tree_index): Add TI_UINT32_TYPE and
5458 (uint32_type_node): New.
5459 (uint64_type_node): Ditto.
5460 * tree.c (build_common_tree_nodes_2): Initialize
5461 uint32_type_node and uint64_type_node.
5462 * builtins.c (expand_builtin_bswap): New.
5463 (expand_builtin): Call.
5464 (fold_builtin_bswap): New.
5465 (fold_builtin_1): Call.
5466 * fold-const.c (tree_expr_nonnegative_p): Return true
5468 * builtin-types.def (BT_UINT32): New.
5470 (BT_FN_UINT32_UINT32): Ditto.
5471 (BT_FN_UINT64_UINT64): Ditto.
5472 * builtins.def (BUILT_IN_BSWAP32): New.
5473 (BUILT_IN_BSWAP64): Ditto.
5474 * rtl.def (BSWAP): New.
5475 * genattrtab.c (check_attr_value): New.
5476 * libgcc2.c (__bswapSI2): New.
5477 (__bswapDI2): Ditto.
5478 * libgcc2.h (__bswapSI2): Declare.
5479 (__bswapDI2): Ditto.
5480 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5481 * simplify-rtx.c (simplify_const_unary_operation): Return
5483 * libgcc-std.ver (__bwapsi2): Add.
5484 (__bswapdi2): Ditto.
5485 * reload1.c (eliminate_regs_1): Add bswap.
5486 (elimination_effects): Ditto.
5487 * config/i386/i386.h (x86_bswap): New.
5488 (TARGET_BSWAP): Use.
5489 * config/i386/i386.c (x86_bswap): Set.
5491 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5493 * coverage.c (coverage_checksum_string): Update comment.
5494 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5495 of get_file_function_name.
5496 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5497 of get_file_function_name_long.
5498 * tree.c (get_file_function_name): Rename from
5499 get_file_function_name_long; improve comment; handle 'I' and 'D'
5500 specially when the target has ctor/dtor support; remove special
5502 (get_file_function_name): Remove.
5503 * tree.h (get_file_function_name): Rename from
5504 get_file_function_name_long.
5505 (get_file_function_name): Remove prototype.
5507 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5509 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5510 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5512 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5513 Call dsymutil when compiling and linking one or more source files
5516 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5519 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5521 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5523 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5524 inline static functions in c99 mode.
5527 * doc/extend.texi (Inline): Update.
5528 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5529 * c-decl.c (current_extern_inline): Delete.
5530 (pop_scope): Adjust test for an undefined nested function.
5531 Add warning about undeclared inline function.
5532 (diagnose_mismatched_decls): Update comments. Disallow overriding
5533 of inline functions in a translation unit in C99. Allow inline
5534 declarations in C99 at any time.
5535 (merge_decls): Boolize variables. Handle C99 'extern inline'
5537 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5538 C99 inline semantics.
5539 (start_function): Don't clear current_extern_inline. Don't set
5541 (c_push_function_context): Don't push current_extern_inline.
5542 (c_pop_function_context): Don't restore current_extern_inline.
5545 * c-typeck.c (build_external_ref): Warn about static variables
5546 used in extern inline functions.
5547 * c-decl.c (start_decl): Warn about static variables declared
5548 in extern inline functions.
5550 2006-10-31 Roger Sayle <roger@eyesopen.com>
5553 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5554 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5555 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5556 or y is an even integer.
5558 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5561 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5562 * gthr-posix95.h (__gthread_active_p): Likewise.
5564 2006-10-31 Richard Guenther <rguenther@suse.de>
5566 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5567 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5568 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5569 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5570 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5571 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5572 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5573 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5576 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5578 * opts.c (decode_options): Disable CSE skip blocks.
5580 2006-10-30 Dirk Mueller <dmueller@suse.de>
5582 * c-common.h (strict_aliasing_warning): Fix whitespace.
5583 * c-decl (start_function): Move code for main decl warning ..
5584 * c-common.c (check_main_parameter_types): .. here.
5585 * c-common.h (check_main_parameter_types): Declare.
5587 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5590 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5592 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5594 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5595 be a PARALLEL containing sets. Return false when out_pat is not
5598 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5600 * config/mips/mips.md (mul<mode>3): Split into...
5601 (mulsi3, muldi3): ...these separate patterns.
5603 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5605 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5606 but with each set of options separated by spaces.
5608 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5610 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5611 dwarf_reg_size_table has been initialized.
5613 2006-10-30 Roger Sayle <roger@eyesopen.com>
5615 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5616 * ddg.c (print_ddg_edge): Likewise.
5617 * dwarf2out.c (prune_unused_types_walk): Likewise.
5618 * ifcvt.c (noce_try_cmove_arith): Likewise.
5619 * langhooks.c (add_builtin_function): Likewise.
5620 * reg-stack.c (subst_stack_regs_pat): Likewise.
5621 * tree.c (expanded_location): Likewise.
5622 * tree-dump.c (dequeue_and_dump): Likewise.
5624 2006-10-30 David Daney <ddaney@avtrex.com>
5626 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5628 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5630 PR tree-optimization/29637
5631 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5632 of the innertype is the innertype itself.
5634 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5636 * dwarf2out.c (file_name_acquire): Correct typo.
5638 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5640 * tree.h (tree_value_handle): Remove struct value_set declaration.
5641 Change value_set to bitmap_set.
5642 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5643 * tree-vn.c (get_value_handle): Made inline and moved to
5645 * tree-flow-inline.h: (has_stmt_ann): New function.
5646 * tree-ssa-pre.c (expressions): New variable.
5647 (next_expression_id): Ditto.
5648 (alloc_expression_id): New function.
5649 (struct value_set): Remove.
5650 (get_expression_id): New function.
5651 (get_or_alloc_expression_id): Ditto.
5652 (expression_for_id): Ditto.
5653 (clear_expression_ids): Ditto.
5654 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5655 (bb_value_sets): Renamed to bb_bitmap_sets.
5656 All value sets replaced with bitmap_sets.
5658 (BB_VISITED): New macro.
5659 (postorder): New variable.
5660 (add_to_value): Removed.
5661 (value_exists_in_set_bitmap): Ditto.
5662 (value_insert_into_set_bitmap): Ditto.
5665 (set_remove): Ditto.
5666 (set_contains_value): Ditto.
5667 (insert_into_set): Ditto.
5669 (find_leader): Ditto.
5670 (bitmap_set_subtract_from_value_set): Ditto.
5671 (value_insert_into_set): Ditto.
5672 (print_value_set): Ditto.
5673 (debug_value_set): Ditto.
5674 (constant_expr_p): New function.
5675 (bitmap_remove_from_set): Ditto.
5676 (bitmap_insert_into_set): Ditto.
5677 (bitmap_set_free): Ditto.
5678 (vh_compare): Ditto.
5679 (sorted_array_from_bitmap_set): Ditto.
5680 (bitmap_set_subtract): Ditto.
5681 (bitmap_set_equal): Ditto.
5682 (debug_bitmap_set): Ditto.
5683 (find_leader_in_sets): Ditto.
5684 (bitmap_set_replace_value): Modify for bitmapped sets.
5685 (phi_translate): Ditto.
5686 (phi_translate_set): Ditto.
5687 (bitmap_find_leader): Ditto.
5688 (valid_in_sets): Ditto.
5689 (union_contains_value): Ditto.
5691 (compute_antic_aux): Ditto. Mark changed blocks.
5692 (compute_antic): Ditto. Iterate in postorder and only over
5694 (compute_rvuse_and_antic_safe): Reuse postorder.
5695 (create_component_ref_by_pieces): Modify for bitmapped sets.
5696 (find_or_generate_expression): Ditto.
5697 (create_expression_by_pieces): Ditto.
5698 (insert_into_preds_of_block): Ditto.
5699 (changed_blocks): New variable.
5700 (do_regular_insertion): Broken out from insert_aux.
5701 (insert_aux): Modified for bitmapped sets.
5702 (find_existing_value_expr): New function.
5703 (create_value_expr_from): Use it.
5704 (insert_extra_phis): Removed.
5705 (print_bitmap_set): Renamed from bitmap_print_value_set.
5706 (compute_avail): Handle RETURN_EXPR.
5707 (init_pre): Modify for bitmapped sets.
5708 * tree-flow.h (has_stmt_ann): New function.
5710 2006-10-29 Roger Sayle <roger@eyesopen.com>
5712 * builtins.c (fold_builtin_floor): Check for the availability of
5713 the C99 trunc function before transforming floor into trunc.
5715 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5717 * builtins.c (fold_builtin_hypot): Rearrange recursive
5718 transformation before others, and also do ABS_EXPR. When
5719 necessary, check flag_unsafe_math_optimizations. When necessary,
5722 2006-10-29 Roger Sayle <roger@eyesopen.com>
5724 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5725 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5726 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5727 Fold -X eq/ne -Y as X eq/ne Y.
5729 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5731 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5732 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5733 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5734 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5735 Use an inclusive test for "mult" rather than "mul".
5736 (rotr<mode>3): Depend on ISA_HAS_ROR.
5737 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5739 (GENERATE_MULT3_DI): Delete.
5740 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5741 (ISA_HAS_MUL3): New macro.
5742 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5743 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5744 (ISA_HAS_CLZ_CLO): Likewise.
5745 (ISA_HAS_DCLZ_DCLO): Delete.
5746 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5747 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5748 the VR4120 and VR4130.
5749 (ISA_HAS_MACCHI): Use consistent formatting.
5750 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5751 (ISA_HAS_ROR): ...this new macro.
5752 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5753 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5754 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5756 2006-10-29 Roger Sayle <roger@eyesopen.com>
5758 PR tree-optimization/15458
5759 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5762 2006-10-29 Richard Guenther <rguenther@suse.de>
5764 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5765 (ix86_expand_truncdf_32): Likewise.
5766 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5767 trunc inline for SSE math and -fno-trapping-math and if not
5768 optimizing for size.
5769 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5770 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5771 for expanding btrunc inline for SSE math.
5773 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5775 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5776 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5777 i[34567]86-*-solaris2.1[0-9]*.
5778 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5779 Define conditionally depending on TARGET_64BIT_DEFAULT.
5780 (SPEC_32, SPEC_64): Define.
5781 (LINK_SPEC): Use them.
5782 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5784 2006-10-29 Richard Guenther <rguenther@suse.de>
5786 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5787 (ix86_expand_rounddf_32): Likewise.
5788 * config/i386/i386.c (ix86_expand_round): New function expanding
5789 round inline for SSE math and -fno-trapping-math and if not
5790 optimizing for size.
5791 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5792 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5793 round via ix86_expand_round.
5795 2006-10-29 Richard Guenther <rguenther@suse.de>
5797 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5798 (ix86_expand_floorceildf_32): Likewise.
5799 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5800 static helper function.
5801 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5803 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5804 * config/i386/i386.md (floordf2): Adjust to enable floor
5805 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5806 -fno-trapping-math is enabled and if not optimizing for size.
5807 (floorsf2, ceildf2, ceilsf2): Likewise.
5808 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5809 (sse2_maskcmpdf3): Likewise.
5811 2006-10-29 Richard Guenther <rguenther@suse.de>
5813 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5814 rint in case -fno-trapping-math is enabled.
5815 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5816 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5817 (ix86_expand_sse_fabs): Likewise.
5818 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5819 * config/i386/i386.md (rintdf2): Enable for SSE math if
5820 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5821 (rintsf2): Likewise.
5823 2006-10-29 Richard Guenther <rguenther@suse.de>
5825 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5826 to conversion optabs.
5827 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5828 as conversion optab.
5829 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5830 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5831 (lfloor_optab, lceil_optab): Adjust defines.
5832 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5833 lfloor and lceil optabs now being conversion optabs.
5834 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5835 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5836 New static helper function.
5837 (ix86_expand_lfloorceil): New function to expand lfloor and
5839 * config/i386/i386.md (lfloor<mode>2): Split into ...
5840 (lfloorxf<mode>2): ... x87 variant
5841 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5842 using ix86_expand_lfloorceil.
5843 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5845 * doc/md.texi (lfloorMN, lceilMN): Document.
5847 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5849 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5850 -mno-shared assembler option on mips targets.
5851 * configure, config.in: Regenerate.
5852 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5853 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5854 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5856 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5858 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5859 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5861 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5863 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5864 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5867 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5870 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5871 (fold_builtin_pow): Evaluate constant arguments at compile-time
5873 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5874 (do_mpfr_ckconv): New helper function.
5875 (do_mpfr_arg1): Use do_mpfr_ckconv.
5876 (do_mpfr_arg2): New.
5878 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5881 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5882 (-fdump-rtl-sched): Rename to ..
5883 (-fdump-rtl-sched1): here. Also fix file extension number.
5885 2006-10-28 Richard Guenther <rguenther@suse.de>
5887 * fold-const.c (maybe_canonicalize_comparison): Fix code
5890 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5892 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5893 (NON_QI_REG_P): Use IN_RANGE.
5894 (REX_INT_REGNO_P): Use IN_RANGE.
5895 (FP_REGNO_P): Use IN_RANGE.
5896 (SSE_REGNO_P): Use IN_RANGE.
5897 (REX_SSE_REGNO_P): Use IN_RANGE.
5898 (MMX_REGNO_P): Use IN_RANGE.
5899 (STACK_REGNO_P): New macro.
5900 (STACK_REG_P): Use STACK_REGNO_P.
5901 (NON_STACK_REG_P): Use STACK_REGNO_P.
5902 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5903 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5904 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5905 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5906 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5908 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5910 * except.h (output_function_exception_table): Add 'const char*' param.
5911 * except.c (switch_to_exception_section): Add 'const char*' param.
5912 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5913 and flag_function_sections is set, use a function-specific section.
5914 (output_function_exception_table): Add 'const char*' param.
5915 Adjust call to switch_to_exception_section.
5916 * final.c (rest_of_handle_final): Adjust calls to
5917 output_function_exception_table.
5918 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5919 * config.in: Regenerate.
5920 * configure: Likewise.
5922 2006-10-28 Richard Guenther <rguenther@suse.de>
5925 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5926 for maybe_canonicalize_comparison.
5927 (maybe_canonicalize_comparison): New function for canonicalizing
5929 (fold_comparison): Call it to canonicalize comparisons with
5932 2006-10-28 Richard Guenther <rguenther@suse.de>
5935 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5936 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5937 (expand_builtin): Adjust likewise.
5938 * genopinit.c (optabs[]): Add lround optab.
5939 * optabs.c (init_optabs): Initialize lround_optab.
5940 * optabs.h (enum convert_optab_index): Add COI_lround.
5941 (lround_optab): Define.
5942 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5943 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5945 (ix86_expand_lround): New function.
5946 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5948 * doc/md.texi (lroundMN2): Document.
5950 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5953 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5954 argument to HOST_WIDE_INT. Update function prototype.
5955 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5956 "size" argument to HOST_WIDE_INT. Update function prototype.
5958 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5960 * config/i386/i386.c (output_387_ffreep): Create output from a
5961 template string for !HAVE_AS_IX86_FFREEP.
5963 2006-10-27 Eric Christopher <echristo@apple.com>
5965 * config/darwin.c: Fix formatting and grammar.
5967 2006-10-27 Jan Hubicka <jh@suse.cz>
5969 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5970 to be thrown away soon when IGNORE is set.
5971 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5972 indicating when return value shall not be computed.
5973 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5975 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5977 * config/i386/i386.h (TARGET_GEODE):
5978 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5979 (TARGET_CPU_DEFAULT_geode): New macro.
5980 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5981 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5982 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5983 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5984 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5986 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5987 (processor_type): Add PROCESSOR_GEODE.
5989 * config/i386/i386.md: Include geode.md.
5992 * config/i386/i386.c (geode_cost): New initialized global
5994 (m_GEODE, m_K6_GEODE): New macros.
5995 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5996 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5997 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5998 x86_schedule): Use m_K6_GEODE instead of m_K6.
5999 (x86_movx, x86_cmove): Set up m_GEODE.
6000 (x86_integer_DFmode_moves): Clear m_GEODE.
6001 (processor_target_table): Add entry for geode.
6002 (processor_alias_table): Ditto.
6004 * config/i386/geode.md: New file.
6006 * doc/invoke.texi: Add entry about geode processor.
6008 2006-10-27 Mike Stump <mrs@apple.com>
6010 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6011 __DYNAMIC__ from here back to ...
6012 * config/darwin.h (CPP_SPEC): ... here.
6014 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6015 Nathan Sidwell <nathan@codesourcery.com>
6017 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6018 when choosing the minimum heapsize.
6020 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6022 * gcc/unwind-dw2.h: Move cfa-related variables into
6023 struct frame_state_reg_info to ensure that the CFA is properly
6024 handled when executing DW_CFA_{remember,restore}_state.
6025 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6026 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6027 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6028 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6029 gcc/config/rs6000/linux-unwind.h,
6030 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6031 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6032 Modify to use new cfa_* fields.
6034 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6036 * config/s390/s390.c (s390_init_frame_layout): Check positive
6039 2006-10-26 Ben Elliston <bje@au.ibm.com>
6041 * gimplify.c (get_name): Remove extraneous break.
6042 (gimplify_omp_for): Initialise ret with GS_OK.
6044 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6046 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6047 Add unix98.o to link line.
6049 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6052 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6053 Calculate compile-time constants using MPFR.
6054 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6055 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6057 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6059 * config/xtensa/lib2funcs.S: Use C-style comments.
6061 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6063 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6064 (file_table_relative_p): Likewise.
6065 (dwarf2out_finish): Likewise.
6066 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6068 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6070 * tree-ssa-structalias.c (intra_create_variable_infos):
6071 Don't recreate nonlocal_all if it already exists.
6073 2006-10-25 Richard Guenther <rguenther@suse.de>
6076 * optabs.h (enum optab_index): Remove OTI_lrint.
6077 (enum convert_optab_index): Add COI_lrint.
6078 (lrint_optab): Adjust.
6079 (expand_sfix_optab): Declare.
6080 * optabs.c (expand_sfix_optab): New function.
6081 (init_optabs): Init lrint_optab as conversion optab.
6082 * genopinit.c (lrint_optab): Change to a conversion optab.
6083 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6084 expansion via conversion optab.
6085 * config/i386/i386.md (*fistdi2_1): Remove
6086 flag_unsafe_math_optimizations guard.
6087 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6088 fist<mode>2_with_temp): Likewise.
6089 (lrint<mode>2): Split into...
6090 (lrintxf<mode>2): ... x87 part
6091 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6092 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6093 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6094 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6095 * doc/md.texi (lrintMN2): Document.
6097 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6100 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6101 Use inc and dec instructions for TARGET_USE_INCDEC.
6102 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6103 ("sync_double_compare_and_swap<mode>"): Likewise.
6104 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6105 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6106 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6107 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6108 ("sync_old_add<mode>"): Likewise.
6109 ("sync_lock_test_and_set<mode>"): Likewise.
6110 ("sync_lock_test_and_set<mode>"): Likewise.
6111 ("sync_add<mode>"): Likewise.
6112 ("sync_sub<mode>"): Likewise.
6113 ("sync_ior<mode>"): Likewise.
6114 ("sync_and<mode>"): Likewise.
6115 ("sync_xor<mode>"): Likewise.
6117 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6119 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6120 (remainder_optab): Define corresponding macro.
6121 (drem_optab): Remove.
6122 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6123 drem_optab initialization.
6124 * genopinit.c (optabs): Implement remainder_optab using
6125 remainder?f3 patterns. Remove drem_optab.
6126 * builtins.c (expand_builtin_mathfn_2): Handle
6127 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6128 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6129 expand_builtin_mathfn_2.
6131 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6132 depend on flag_unsafe_math_optimizations.
6134 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6135 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6136 Do not depend on flag_unsafe_math_optimizations. Use
6137 truncxf?f expander instead of truncxf?f_i387_noop.
6139 ("fpremxf4", "fprem1xf4"): Do not depend on
6140 flag_unsafe_math_optimizations.
6141 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6142 flag_unsafe_math_optimizations. Use truncxf?f expander
6143 instead of truncxf?f_i387_noop.
6145 * doc/md.texi (fmod, remainder): Document standard named pattern.
6147 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6148 David Daney <ddaney@avtrex.com>
6151 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6153 2006-10-25 Ben Elliston <bje@au.ibm.com>
6155 * doc/extend.texi (Variable Attributes): Typo fix.
6157 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6159 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6160 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6161 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6162 (FRAME_POINTER_REGNUM): Update register number to 21.
6163 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6164 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6166 * config/i386/i386.c (regclass_map): Add fpcr entry.
6167 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6169 (print_reg): Assert REGNO (x) != FPCR_REG.
6171 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6172 (DIRFLAG_REG): Renumber.
6173 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6174 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6175 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6176 hardcoded SSE register numbers.
6178 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6179 hardcoded MMX register numbers.
6181 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6184 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6185 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6187 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6188 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6189 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6190 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6192 2006-10-24 Richard Guenther <rguenther@suse.de>
6195 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6196 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6197 for deciding optimizations in consistency with fold-const.c
6198 (fold_builtin_unordered_cmp): Likewise.
6200 2006-10-24 Richard Guenther <rguenther@suse.de>
6202 * builtins.c (fold_builtin_floor): Fold floor (x) where
6203 x is nonnegative to trunc (x).
6204 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6205 nonnegative to FIX_TRUNC_EXPR.
6207 2006-10-24 Richard Guenther <rguenther@suse.de>
6209 PR tree-optimization/29567
6210 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6211 for TRUTH_NOT_EXPR. Clarify comments.
6213 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6216 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6217 at compile-time using MPFR. Change parameter VALUE to FUNC,
6219 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6220 for overflow and underflow at all times and avoid folding in
6223 2006-10-24 Ben Elliston <bje@au.ibm.com>
6225 * reload1.c: Formatting fixes.
6227 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6229 PR tree-optimization/14784
6230 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6231 * tree-ssa-structalias.c (get_constraint_for,
6232 intra_create_variable_infos): Set is_heapvar.
6233 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6234 non-heapvar pointer variables specially.
6236 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6239 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6240 fold_builtin_tan): Fold all constant arguments. Take a "type"
6241 argument as necessary.
6242 (do_mpfr_arg1): New.
6243 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6245 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6247 * config/xtensa/lib1funcs.asm: Use C-style comments.
6249 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6251 * tree.c (local_define_builtin): Replace calls to
6252 lang_hooks.builtin_function with add_builtin_function.
6253 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6255 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6257 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6258 common code to add_builtin_function.
6259 * langhooks.c (add_builtin_function): New function.
6260 (lhd_builtin_function): New function.
6261 * langhooks.h (struct lang_hooks): Change the signature of
6263 (add_builtin_function): New function.
6264 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6265 calls to lang_hooks.builtin_function with add_builtin_function.
6266 * c-common.c (decl_builtin_1): Replace calls to
6267 lang_hooks.builtin_function with add_builtin_function.
6268 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6269 lang_hooks.builtin_function with add_builtin_function.
6270 * config/frv/frv.c (def_builtin): Replace calls to
6271 lang_hooks.builtin_function with add_builtin_function.
6272 * config/s390/s390.c (s390_init_builtins): Replace calls to
6273 lang_hooks.builtin_function with add_builtin_function.
6274 * config/sparc/sparc.c (def_builtin): Replace calls to
6275 lang_hooks.builtin_function with add_builtin_function.
6276 * config/i386/i386.c (def_builtin): Replace calls to
6277 lang_hooks.builtin_function with add_builtin_function.
6278 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6279 lang_hooks.builtin_function with add_builtin_function.
6280 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6281 lang_hooks.builtin_function with add_builtin_function.
6282 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6283 Replace calls to lang_hooks.builtin_function with
6284 add_builtin_function.
6285 * config/iq2000/iq2000.c (def_builtin):
6286 Replace calls to lang_hooks.builtin_function with
6287 add_builtin_function.
6288 * config/ia64/ia64.c (def_builtin): Replace calls to
6289 lang_hooks.builtin_function with add_builtin_function.
6290 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6291 lang_hooks.builtin_function with add_builtin_function.
6292 (altivec_init_builtins): Replace calls to
6293 lang_hooks.builtin_function with add_builtin_function.
6294 * config/arm/arm.c (def_mbuiltin): Replace calls to
6295 lang_hooks.builtin_function with add_builtin_function.
6296 (arm_init_tls_builtins): Replace calls to
6297 lang_hooks.builtin_function with add_builtin_function.
6298 * config/mips/mips.c (mips_init_builtins): Replace calls to
6299 lang_hooks.builtin_function with add_builtin_function.
6300 * config/bfin/bfin.c (def_builtin): Replace calls to
6301 lang_hooks.builtin_function with add_builtin_function.
6302 * langhooks-def.h (lhd_builtin_function): New function.
6303 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6305 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6307 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6308 BUILT_IN_STRNCAT_CHK.
6310 2006-10-23 Jan Hubicka <jh@suse.cz>
6312 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6313 don't do conversion from memmove to memcpy here.
6314 (expand_builtin_bcopy, expand_builtin): Update call of
6315 expand_builtin_memmove.
6316 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6318 2006-10-23 Paul Brook <paul@codesourcery.com>
6320 * stor-layout.c (start_record_layout): maximum_field_alignment
6321 overrides STRUCTURE_SIZE_BOUNDARY.
6323 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6325 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6326 nonlocal function symbols if flag_pic.
6328 2006-10-23 Richard Guenther <rguenther@suse.de>
6332 * builtins.c (fold_binary): Remove checks for flag_wrapv
6333 and flag_trapv where negate_expr_p covers these cases.
6335 2006-10-23 Richard Guenther <rguenther@suse.de>
6338 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6339 of two on the absolute value.
6340 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6341 and negating -C does not overflow.
6343 2006-10-23 Richard Guenther <rguenther@suse.de>
6346 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6347 only if not flag_rounding_math.
6349 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6350 Kaz Kojima <kkojima@gcc.gnu.org>
6353 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6354 SImode memory reference for the source of a movua.
6355 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6356 (movua): Use an unspec instead of sign_extract. Expect the source
6357 to have mode BLKmode.
6358 (extv, insv): Use a BLKmode rather than SImode memory reference
6359 for the source of a movua.
6361 2006-10-22 Jeff Law <law@redhat.com>
6362 Richard Guenther <rguenther@suse.de>
6364 PR tree-optimization/15911
6365 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6366 (register_edge_assert_for_1): Likewise.
6367 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6368 (find_conditional_asserts): Adjust for new function signature.
6369 (find_assert_locations): Likewise.
6371 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6373 * config/i386/tmmintrin.h: Remove the duplicated content.
6375 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6377 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6378 (x86_64-*-*): Likewise.
6380 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6381 (override_options): Check SSSE3.
6382 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6383 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6384 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6385 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6386 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6387 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6388 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6389 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6390 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6391 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6392 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6393 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6394 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6395 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6396 IX86_BUILTIN_PABSD128.
6397 (bdesc_2arg): Add SSSE3.
6398 (bdesc_1arg): Likewise.
6399 (ix86_init_mmx_sse_builtins): Support SSSE3.
6400 (ix86_expand_builtin): Likewise.
6401 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6403 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6404 (UNSPEC_PSIGN): Likewise.
6405 (UNSPEC_PALIGNR): Likewise.
6406 Include mmx.md before sse.md.
6408 * config/i386/i386.opt: Add -mssse3.
6410 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6411 (ssse3_phaddwv4hi3): Likewise.
6412 (ssse3_phadddv4si3): Likewise.
6413 (ssse3_phadddv2si3): Likewise.
6414 (ssse3_phaddswv8hi3): Likewise.
6415 (ssse3_phaddswv4hi3): Likewise.
6416 (ssse3_phsubwv8hi3): Likewise.
6417 (ssse3_phsubwv4hi3): Likewise.
6418 (ssse3_phsubdv4si3): Likewise.
6419 (ssse3_phsubdv2si3): Likewise.
6420 (ssse3_phsubswv8hi3): Likewise.
6421 (ssse3_phsubswv4hi3): Likewise.
6422 (ssse3_pmaddubswv8hi3): Likewise.
6423 (ssse3_pmaddubswv4hi3): Likewise.
6424 (ssse3_pmulhrswv8hi3): Likewise.
6425 (ssse3_pmulhrswv4hi3): Likewise.
6426 (ssse3_pshufbv16qi3): Likewise.
6427 (ssse3_pshufbv8qi3): Likewise.
6428 (ssse3_psign<mode>3): Likewise.
6429 (ssse3_psign<mode>3): Likewise.
6430 (ssse3_palignrti): Likewise.
6431 (ssse3_palignrdi): Likewise.
6432 (abs<mode>2): Likewise.
6433 (abs<mode>2): Likewise.
6435 * config/i386/tmmintrin.h: New file.
6437 * doc/extend.texi: Document SSSE3 built-in functions.
6439 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6441 2006-10-22 Ira Rosen <irar@il.ibm.com>
6443 * tree-vect-transform.c (vectorizable_load): Use the type of the
6444 return value of the mask_for_load builtin to create realign_load
6447 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6449 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6452 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6454 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6455 (UNSPEC_LDDQU): This.
6456 * config/i386/sse.md (sse3_lddqu): Updated.
6458 2006-10-21 Richard Guenther <rguenther@suse.de>
6460 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6461 (expand_builtin): Use it to expand lrint instead of
6462 expand_builtin_mathfn.
6464 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6467 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6468 flag_unsafe_math_optimizations is set.
6470 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6473 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6474 patterns to use memory input operand in x87->mem->XMM
6475 reload sequences. Skip transformation for TARGET_K8.
6477 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6479 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6480 force operand1 to register if both operands are memory operands.
6481 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6482 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6483 if both operands are memory operands.
6484 (truncdfsf2): Do not force operand1 to register if both operands
6485 are memory operands.
6487 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6489 * Makefile.in (LIBS): Add $(GMPLIBS).
6490 * doc/install.texi: Update GMP and MPFR requirements.
6491 * doc/sourcebuild.texi (need_gmp): Delete.
6493 2006-10-21 Richard Guenther <rguenther@suse.de>
6495 PR tree-optimization/3511
6496 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6497 got new invariant arguments during PHI translation.
6499 2006-10-21 Richard Guenther <rguenther@suse.de>
6502 * fold-const.c (fold_comparison): Fold signed comparisons
6503 of the form X +- C1 CMP Y +- C2.
6505 2006-10-21 Richard Guenther <rguenther@suse.de>
6508 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6509 if flag_unsafe_math_optimizations is specified. We have
6510 flag_finite_math_only for that.
6511 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6512 or flag_unsafe_math_optimizations.
6514 2006-10-21 Richard Guenther <rguenther@suse.de>
6516 * builtins.c (fold_builtin_classify): Fix typo.
6518 2006-10-21 Richard Guenther <rguenther@suse.de>
6521 * simplify-rtx.c (simplify_const_relational_operation):
6522 Do not constant-fold ORDERED and UNORDERED for
6523 flag_unsafe_math_optimizations but only we do not need to
6524 honor NaNs for the given mode.
6526 2006-10-21 Richard Guenther <rguenther@suse.de>
6529 * config/i386/i386.c (classify_argument): Remove redundant
6530 walking of the BINFOs.
6531 (contains_128bit_aligned_vector_p): Likewise.
6533 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6535 * BASE-VER: Set to 4.3.0.
6537 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6539 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6540 (tree_decl_with_vis): Remove artificial_pta_var flag.
6541 * tree-flow.h (referenced_var_check_and_insert): Expose.
6542 (nonlocal_all): New prototype.
6543 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6544 (nonlocal_all): Make global.
6545 (nonlocal_lookup): Remove.
6546 (nonlocal_insert): Ditto.
6547 (create_nonlocal_var): Do not call nonlocal_insert.
6548 (get_nonlocal_id_for_type): Remove.
6549 (find_global_initializers): Mark new vars we find for renaming.
6550 (intra_create_variable_infos): Only create one nonlocal.
6551 (expand_nonlocal_solutions): Remove.
6552 (compute_points_to_sets): Don't call it.
6553 (ipa_pta_execute): Ditto.
6554 (init_alias_heapvars): Don't create nonlocal_for_type.
6555 (delete_alias_heapvars): Don't remove it.
6556 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6559 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6561 * doc/install.texi (Downloading GCC): Clarify mention of
6562 Fortran in the "full distribution" description.
6564 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6566 Fix PR tree-optimization/28778
6567 Fix PR tree-optimization/29156
6568 Fix PR tree-optimization/29415
6569 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6570 (tree_decl_with_vis): Add artificial_pta_var flag.
6571 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6572 pushed into callers.
6573 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6574 (nonlocal_all): Ditto.
6575 (struct variable_info): Add directly_dereferenced member.
6576 (var_escaped_vars): New variable.
6577 (escaped_vars_tree): Ditto.
6578 (escaped_vars_id): Ditto.
6579 (nonlocal_vars_id): Ditto.
6580 (new_var_info): Set directly_dereferenced.
6581 (graph_size): New variable
6582 (build_constraint_graph): Use graph_size.
6583 (solve_graph): Don't process constraints that cannot change the
6584 solution, don't try to propagate an empty solution to our
6586 (process_constraint): Set directly_dereferenced.
6587 (could_have_pointers): New function.
6588 (get_constraint_for_component_ref): Don't process STRING_CST.
6589 (nonlocal_lookup): New function.
6590 (nonlocal_insert): Ditto.
6591 (create_nonlocal_var): Ditto.
6592 (get_nonlocal_id_for_type): Ditto.
6593 (get_constraint_for): Allow results vector to be empty in the case
6594 of string constants.
6595 Handle results of calls properly.
6596 (update_alias_info): Update alias info stats on number and type of
6598 (find_func_aliases): Use could_have_pointers.
6599 (make_constraint_from_escaped): Renamed from
6600 make_constraint_to_anything, and changed to make constraints from
6602 (make_constraint_to_escaped): New function.
6603 (find_global_initializers): Ditto.
6604 (create_variable_info_for): Make constraint from escaped to any
6605 global variable, and from any global variable to the set of
6607 (intra_create_variable_infos): Deal with escaped instead of
6608 pointing to anything.
6609 (set_uids_in_ptset): Do type pruning on directly dereferenced
6611 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6612 (init_base_vars): Fix comment, and initialize escaped_vars.
6613 (need_to_solve): Removed.
6614 (find_escape_constraints): New function.
6615 (expand_nonlocal_solutions): Ditto.
6616 (compute_points_to_sets): Call find_escape_constraints and
6617 expand_nonlocal_solutions.
6618 (delete_points_to_sets): Don't fall off the end of the graph.
6619 (init_alias_heapvars): Initialize nonlocal_for_type and
6621 (delete_alias_heapvars): Free nonlocal_for_type and null out
6624 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6626 * fold-const.c (add_double): Rename to add_double_with_sign.
6627 Add 'unsigned_p' parameter and take it into account for the overflow.
6628 (mul_double): Rename to mul_double_with_sign.
6629 Add 'unsigned_p' parameter and take it into account for the overflow.
6630 (fold_div_compare): Call add_double_with_sign instead of add_double
6631 and mul_double_with_sign instead of mul_double, passing them the
6632 unsignedness of the type.
6633 * tree.h (add_double): Macroize.
6634 (add_double_with_sign): New prototype.
6635 (mul_double): Macroize.
6636 (mul_double_with_sign): New prototype.
6638 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6640 * config/score/crti.asm: New file.
6641 * config/score/crtn.asm: New file.
6642 * config/score/elf.h: New file.
6643 * config/score/mac.md: New file.
6644 * config/score/misc.md: New file.
6645 * config/score/mul-div.S: New file.
6646 * config/score/predicates.md: New file.
6647 * config/score/score7.md: New file.
6648 * config/score/score.c: New file.
6649 * config/score/score-conv.h: New file.
6650 * config/score/score.h: New file.
6651 * config/score/score.md: New file.
6652 * config/score/score-mdaux.c: New file.
6653 * config/score/score-mdaux.h: New file.
6654 * config/score/score-modes.def: New file.
6655 * config/score/score.opt: New file.
6656 * config/score/score-protos.h: New file.
6657 * config/score/score-version.h: New file.
6658 * config/score/t-score-elf: New file.
6659 * config.gcc: Add score*-*-* configurations(Update before).
6660 * doc/invoke.texi (Score Options): New section.
6661 * doc/md.texi (Score family): New section to document constraints.
6663 2006-10-19 Nick Clifton <nickc@redhat.com>
6665 * config/arm/arm.c: Fix spelling typo.
6667 2006-10-18 Tom Tromey <tromey@redhat.com>
6669 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6671 2006-10-18 Jan Hubicka <jh@suse.cz>
6674 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6677 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6679 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6680 TSI_SAME_STMT, since that's the desired entity.
6682 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6684 * config/s390/contraints.md: New file.
6685 * config/s390/s390-protos.h (s390_mem_constraint,
6686 s390_O_constraint_str, s390_N_constraint_str,
6687 s390_float_const_zero_p): Function prototypes added.
6688 * config/s390/s390.c (s390_extra_constraint_str,
6689 s390_const_double_ok_for_constraint_p,
6690 s390_const_ok_for_constraint_p): Functions removed.
6691 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6692 s390_float_const_zero_p): New functions.
6693 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6694 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6695 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6696 Macro definitions removed.
6697 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6698 s390_extra_constraint_str): Functions removed.
6700 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6701 Richard Sandiford <richard@codesourcery.com>
6704 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6705 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6707 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6709 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6710 (DWARF2_FRAME_REG_OUT): Likewise.
6711 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6712 (DWARF2_FRAME_REG_OUT): Likewise.
6714 2006-10-17 Paul Brook <paul@codesourcery.com>
6716 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6718 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6720 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6721 Standardize on "GNU Fortran" as the official name of the Fortran
6724 2006-10-16 Mike Stump <mrs@apple.com>
6726 * doc/invoke.texi (Darwin Options): Document -mkernel.
6727 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6729 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6730 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6731 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6732 (OS_MISSING_ALTIVEC): Add.
6733 * config/i386/i386.c (override_options): Add
6734 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6735 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6736 -mkernel, -static or -mdynamic-no-pic is given.
6737 (C_COMMON_OVERRIDE_OPTIONS): Add.
6738 * config/darwin.opt (fapple-kext): Add.
6740 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6741 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6743 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6744 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6745 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6746 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6747 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6748 (flag_mkernel): Add.
6749 (flag_apple_kext): Add.
6750 (TARGET_KEXTABI): Add.
6751 * config/darwin.c (darwin_handle_kext_attribute): Add.
6752 (DARWIN_VTABLE_P): Add.
6753 (darwin_binds_local_p): Add partial support for rebinding vtables
6755 (darwin_kextabi_p): Add.
6756 (darwin_override_options): Add.
6757 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6758 (darwin_kextabi_p): Add.
6759 (darwin_override_options): Add.
6760 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6761 __DYNAMIC__ and __STATIC__ here.
6763 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6765 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6766 Added mention of "make pdf" target, and Texinfo requirements for
6769 2006-10-16 DJ Delorie <dj@redhat.com>
6771 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6772 into the GOT in case we need a subreg of the address.
6774 2006-10-16 Richard Guenther <rguenther@suse.de>
6777 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6778 SSE builtin documentation. Document SSE2 builtins.
6780 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6782 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6783 symbol in the output file for non-shared links when -nostdlib or
6784 -nodefaultlibs isn't specified.
6786 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6787 posix thread support.
6789 2006-10-15 Jan Hubicka <jh@suse.cz>
6792 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6793 declared always_inline even when not inlining.
6795 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6796 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6797 Andrew Pinski <pinskia@gmail.com>
6800 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6802 2006-10-15 Jan Hubicka <jh@suse.cz>
6803 Richard Guenther <rguenther@suse.de>
6806 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6807 process_function_and_variable_attributes on all variables, including
6808 those discovered during cgraph construction phase.
6810 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6812 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6814 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6816 * config/i386/athlon.md (athlon_fist): Add fisttp.
6818 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6819 Ian Lance Taylor <ian@airs.com>
6822 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6823 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6826 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6828 * config/score/score.c, config/score/score.h: Fix comment
6831 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6834 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6837 2006-10-13 Eric Christopher <echristo@apple.com>
6839 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6841 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6844 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6845 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6846 alignment supported by 32-bit ELF.
6848 2006-10-13 Eric Christopher <echristo@apple.com>
6850 * config/darwin.c (darwin_emit_unwind_label): Strip
6851 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6853 2006-10-13 Richard Guenther <rguenther@suse.de>
6855 PR tree-optimization/29446
6856 * tree-vrp.c (fix_equivalence_set): Remove.
6857 (extract_range_from_assert): Do not call fix_equivalence_set.
6858 (debug_value_range): Print a newline.
6859 (compare_name_with_value): For equivalence sets with
6860 inconsistent value ranges conservatively bail out.
6861 (compare_names): Likewise.
6863 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6865 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6866 and MPFR for gfortran.
6868 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6870 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6871 alignment supported by 32-bit ELF.
6873 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6877 * c-typeck.c (digest_init): Always allow initializing vectors
6878 that have static storage duration with compound literals.
6879 * tree.c (build_type_attribute_qual_variant): New, based on
6880 build_type_attribute_variant.
6881 (build_type_attribute_variant): Rewrite using the former.
6882 (make_vector_type): Use build_type_attribute_qual_variant to build
6883 type variants. Use type_hash_canon on the others.
6885 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6886 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6888 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6890 2006-10-12 Jan Hubicka <jh@suse.cz>
6893 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6894 current_function_decl is set but current_function_scope is not.
6896 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6898 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6899 emit_insn to emit eh_return_internal instruction.
6900 (eh_return_internal): Explicitly set pc.
6902 2006-10-11 Richard Guenther <rguenther@suse.de>
6904 PR tree-optimization/28230
6905 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6906 to the correct place.
6908 2006-10-11 Richard Guenther <rguenther@suse.de>
6911 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6914 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6916 * configure.ac: Added pdf to "Make-hooks"
6917 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6918 targets and *.pdf file patterns in cleanup targets.
6919 * configure: Regenerated.
6921 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6923 * config/avr/predicates.md: New file.
6924 * config/avr/avr.md: Include it.
6925 (REG_SP): New constant.
6926 (peepholes): Use predicates.
6927 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6928 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6929 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6931 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6933 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6936 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6939 * builtins.c (var_decl_component_p): New function.
6940 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6941 single entry optimization to variables and components thereof.
6943 2006-10-10 Richard Guenther <rguenther@suse.de>
6945 PR rtl-optimization/29323
6946 * except.c (set_nothrow_function_flags): For functions
6947 that do not bind local bail out early.
6949 2006-10-10 Ben Elliston <bje@au.ibm.com>
6951 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6954 2006-10-09 Richard Henderson <rth@redhat.com>
6956 Revert emutls patch.
6958 2006-10-09 Richard Guenther <rguenther@suse.de>
6961 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6964 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6967 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6968 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6969 * configure: Regenerate.
6970 * config.in: Regenerate.
6972 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6974 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6976 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6978 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6979 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6980 Remove stray newline.
6982 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6984 * config/mips/mips.c (mips_classify_symbol): Do not return
6985 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6986 (mips_in_small_data_p): Tweak comments.
6988 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6990 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6992 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6994 * gimplify.c, sched-int.h: Fix comment typos.
6996 * sched-int.h: Fix comment typos.
6998 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7000 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7002 * sched-ebb.c (begin_schedule_ready): Use them.
7003 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7004 add_to_speculative_block, create_check_block_twin, speculate_insn,
7005 fix_jump_move, move_block_after_check): Ditto.
7006 * sched-rgn.c (new_ready): Ditto.
7008 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7010 PR rtl-optimization/29128
7011 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7012 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7013 allow interblock movement of speculation checks.
7015 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7018 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7019 casted to integer type.
7020 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7021 if they are significantly more expensive than [reg + index] ones.
7023 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7025 PR tree-optimization/29330
7026 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7027 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7028 on newly allocated ddrs.
7029 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7030 to VEC (loop_p, heap) pointer.
7031 (compute_data_dependences_for_loop): Adjust caller.
7032 (free_dependence_relations): Free DDR_LOOP_NEST.
7034 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7035 free DEPENDENCE_RELATIONS and DATAREFS.
7038 * builtins.c (expand_builtin_sync_operation,
7039 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7040 Use convert_to_mode to handle promoted arguments.
7042 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7044 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7046 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7048 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7050 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7052 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7053 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7054 Use <modeconstraint> instead of "r" as operand 1 constraint.
7056 2006-10-06 Olivier Hainque <hainque@adacore.com>
7058 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7059 Don't recurse on the pointed-to type.
7060 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7061 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7062 types with components of variable size.
7064 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7066 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7068 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7070 PR tree-optimization/29290
7071 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7075 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7076 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7079 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7080 the number of vector elements fill the rest with zeros.
7082 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7084 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7085 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7088 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7090 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7091 unnamed pattern into subsi3. Use correct constraints/predicates.
7092 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7093 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7095 2006-10-05 Ira Rosen <irar@il.ibm.com>
7097 * doc/loop.texi: Add data references analysis description.
7099 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7101 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7103 2006-10-04 Richard Henderson <rth@redhat.com>
7104 Jakub Jelinek <jakub@redhat.com>
7106 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7107 * builtin-types.def (BT_WORD): Make unsigned.
7108 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7109 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7110 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7111 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7112 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7113 * cgraph.c (decide_is_variable_needed): Look at force_output.
7114 Recurse for emulated tls.
7115 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7116 checks redundant with decide_is_variable_needed.
7117 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7118 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7120 * expr.c (emutls_var_address): New.
7121 (expand_expr_real_1): Expand emulated tls.
7122 (expand_expr_addr_expr_1): Likewise.
7123 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7124 * output.h (emutls_finish): Declare.
7125 * toplev.c (compile_file): Call it.
7126 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7127 address before wrapping in CONST.
7128 * varasm.c (emutls_htab, emutls_object_type): New.
7129 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7130 (get_emutls_object_name, get_emutls_object_type): New.
7131 (get_emutls_init_templ_addr, emutls_decl): New.
7132 (emutls_common_1, emutls_finish): New.
7133 (assemble_variable): When emulating tls, swap decls; generate
7134 constructor for the emutls objects.
7135 (do_assemble_alias): When emulating tls, swap decl and target name.
7136 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7138 * emutls.c: New file.
7139 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7140 tls_object for real tls.
7142 2006-10-04 Zack Weinberg <zackw@panix.com>
7144 Fix bug in constraint-check generator, reported by Rask Ingemann
7146 * genpreds.c (add_constraint): Don't remove anything from the
7148 (write_tm_constrs_h): Detect whether "op" argument is used, and
7149 mark it ARG_UNUSED if it isn't.
7150 (write_insn_const_int_ok_for_constraint): Skip the part of the
7151 expression that would test whether "op" (which is not available
7152 here) is a CONST_INT.
7154 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7157 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7159 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7161 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7162 current Leopard versions.
7163 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7165 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7167 * doc/install.texi: Fix typos.
7169 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7171 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7172 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7173 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7175 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7177 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7178 arg to be struct mach_header_64* instead.
7180 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7183 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7184 side effects after the outer expression's post side effects.
7186 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7188 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7189 comments to reflect actual behavior and relationship between
7190 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7192 * doc/c-tree.texi (Working with declarations): Fix documentation
7193 of FIELD_DECL likewise.
7195 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7198 * doc/extend.texi: Add used variable attribute description.
7200 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7203 * c.opt (Woverride-init): New.
7204 * c-opts.c (c_common_post_options): Default warn_override_init to
7206 * c-typeck.c (add_pending_init, output_init_element): Warn for
7207 overriding initializers without side effects.
7208 * doc/invoke.texi (-Woverride-init): Document.
7211 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7213 PR rtl-optimization/28096
7214 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7215 assignment has already been used as a destination earlier in the block.
7217 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7219 * builtins.c (expand_builtin_setjmp): Delete.
7220 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7221 <BUILT_IN_SETJMP_SETUP>: New case.
7222 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7223 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7224 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7225 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7226 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7227 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7228 (lower_function_body): Initialize it to false. If it is set to true
7229 at the end of the processing, emit the setjmp dispatcher.
7230 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7231 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7232 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7233 on the rhs of the assignment.
7234 (lower_builtin_setjmp): New function.
7235 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7236 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7237 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7238 to detect calls that can go to non-local labels. Use specific
7239 helper to create the abnormal edges associated with them.
7240 <MODIFY_EXPR>: Likewise.
7241 (make_abnormal_goto_edges): New function extracted from...
7242 (make_goto_expr_edges): ...here. Call it for computed gotos.
7243 (simple_goto_p): Minor tweak.
7244 (tree_can_make_abnormal_goto): New predicate.
7245 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7246 (tree_purge_dead_abnormal_call_edges): New function.
7247 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7248 (tree_purge_dead_abnormal_call_edges): Likewise.
7249 (make_abnormal_goto_edges): Likewise.
7250 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7251 Purge all dead abnormal edges if the call was in the last statement.
7252 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7253 (execute_fixup_cfg): If there are non-local labels in the function,
7254 scan the basic blocks and split them at calls that can go to non-local
7255 labels or add missing abnormal call edges. Write down the CFG in the
7257 (pass_fixup_cfg): Remove TODO_dump_func flag.
7258 * unwind-sjlj.c: Poison setjmp.
7259 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7260 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7261 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7262 (DONT_USE_BUILTIN_SETJMP): Document it.
7264 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7267 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7268 to 1 when __ppc64__ is defined.
7269 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7271 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7273 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7275 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7276 * config/ia64/unwind-hpux.c: Delete.
7278 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7280 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7281 on the element before gimplifying it, instead of punting if it is of
7284 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7286 * doc/loop.texi: New file.
7287 * doc/gccint.texi: Reference loop.texi.
7288 * Makefile.in (loop.texi): Add.
7290 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7292 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7294 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7295 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7297 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7299 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7301 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7303 * doc/install.texi: Document required versions of GMP and MPFR.
7305 2006-09-27 Paul Brook <paul@codesourcery.com>
7308 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7310 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7312 * reload1.c (alter_reg): Require the alignment of the stack slot to
7313 be at least reg_max_ref_width bytes.
7314 (scan_paradoxical_subregs): Record the largest width in
7317 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7321 * tree-nested.c (struct nesting_info): Added static_chain_added.
7322 (convert_call_expr): Set static_chain_added when adding static
7323 chain. Handle OMP_PARALLEL and OMP_SECTION.
7325 2006-09-25 Matthias Klose <doko@debian.org>
7327 * doc/invoke.texi: Add missing full stop.
7329 2006-09-25 Richard Henderson <rth@redhat.com>
7331 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7332 before cgraph_function_flags_ready.
7334 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7335 Adam Nemet <anemet@caviumnetworks.com>
7337 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7338 determine_common_wider_type): New functions.
7339 (get_computation_aff): Use them to simplify arithmetic between
7340 UBASE and CBASE if they are shortened from the same type.
7342 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7345 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7346 -2147483647 - 1 instead of 0x80000000.
7348 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7350 * flags.h (HONOR_NANS): Fix typo in comment.
7352 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7354 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7356 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7360 * tree.c (merge_attributes, attribute_list_contained): If both
7361 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7363 * c-typeck.c (comptypes_internal): Don't consider aggregates
7364 in different TUs as compatible if there one set of attributes is
7365 not a subset of the other type's attributes.
7366 (composite_type): Try harder not to create a new aggregate type.
7368 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7370 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7371 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7372 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7373 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7374 than replicating condition above.
7375 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7377 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7378 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7379 the linker by default.
7381 2006-09-22 Mike Stump <mrs@apple.com>
7383 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7386 2006-09-22 Richard Guenther <rguenther@suse.de>
7389 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7390 sort of stack variables stable.
7392 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7395 * explow.c (force_reg): Set REG_POINTER flag according to
7398 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7400 PR tree-optimization/28888
7401 * tree-if-conv.c (combine_blocks): Rewritten.
7402 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7403 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7405 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7407 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7410 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7412 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7414 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7416 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7418 2006-09-21 Roger Sayle <roger@eyesopen.com>
7421 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7422 dw_fde_current_label, to be the start of the function, i.e. the same
7423 value as dw_fde_begin.
7425 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7427 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7428 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7429 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7430 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7431 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7432 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7433 (abs<mode>2, neg<mode>2): Likewise.
7434 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7435 (*mips_abs_ps): New define_insn.
7437 2006-09-20 Josh Conner <jconner@apple.com>
7440 * calls.c (expand_call): Allow reuse of structure return stack
7443 2006-09-20 Paul Brook <paul@codesourcery.com>
7445 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7448 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7450 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7451 clean up terminology.
7453 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7456 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7457 with tablejumps in them.
7459 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7462 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7463 wrap it into TARGET_EXPR.
7465 2006-09-20 Eric Christopher <echristo@apple.com>
7467 * config/i386/i386.c (x86_fisttp): Remove.
7468 * config/i386/i386.h (x86_fisttp): Ditto.
7469 (TARGET_FISTTP): Ditto.
7471 2006-09-19 Eric Christopher <echristo@apple.com>
7473 * doc/tm.texi (OBJC_JBLEN): Describe.
7474 * config/i386/darwin.h (OBJC_JBLEN): Define.
7475 * config/rs6000/darwin.h: Ditto.
7477 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7479 PR rtl-optimization/21299
7480 * reload1.c (reload): Purge invalid ASMs in the final pass.
7482 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7485 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7486 pointers as legitimate constants.
7488 2006-09-19 Paul Brook <paul@codesourcery.com>
7491 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7493 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7495 PR tree-optimization/28887
7496 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7497 component parts from the reference.
7498 (gather_memory_references_ref): Record the reference without the
7499 nonaddressable component parts.
7501 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7504 * c-opts.c (c_common_handle_option): Ignore the -std options
7505 if the input language is assembly.
7507 2006-09-17 Ira Rosen <irar@il.ibm.com>
7510 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7512 (ptr_ptr_may_alias_p): Likewise.
7513 (record_record_differ_p): New function.
7514 (base_object_differ_p): Call record_record_differ_p.
7516 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7519 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7520 away for the expr argument.
7522 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7525 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7526 before using it for dumping after vectorizing loops.
7528 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7529 Jack Howarth <howarth@bromo.med.uc.edu>
7532 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7533 skip on error_mark_node.
7534 (rs6000_darwin64_record_arg_recurse): Likewise.
7536 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7538 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7539 * doc/rtl.texi: Remove related documentation.
7541 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7543 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7546 2006-09-15 Jim Wilson <wilson@specifix.com>
7548 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7549 Handle symbol offsets same as they are handled in ia64_expand_move
7552 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7554 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7555 Add forgotten parameter to the fprintf call.
7557 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7559 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7561 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7563 * doc/contrib.texi: Add my entry.
7565 2006-09-15 Nick Clifton <nickc@redhat.com>
7567 * doc/md.texi (Processor pipeline description): Fix typo in
7568 example of how to use the absence_set directive and reword the
7569 description to make it slightly easier to read.
7571 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7573 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7574 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7575 expanding the number of iterations.
7576 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7578 * cfgrtl.c (emit_insn_at_entry): New function.
7579 * rtl.h (emit_insn_at_entry): Declare it.
7580 * integrate.c (emit_initial_value_sets): Use it.
7582 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7584 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7586 (struct loop_work and related VEC declarations): Delete.
7587 (bfin_dump_loops): Print out new member bad.
7588 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7589 (bfin_scan_loop): Don't recurse.
7590 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7591 loops. No longer need to update outer loops if the current one is
7592 found bad. Move some validitiy checks to bfin_discover_loop.
7593 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7594 but changed not to check for nesting. Also changed to use the new bad
7596 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7597 time. Use bitmap based test to discover loop nesting.
7599 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7601 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7604 2006-09-14 Richard Guenther <rguenther@suse.de>
7605 Kazu Hirata <kazu@codesourcery.com>
7607 PR middle-end/28884.
7608 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7609 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7610 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7611 with TARGET_FUNCTION_VALUE.
7613 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7616 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7618 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7620 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7623 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7626 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7629 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7631 * basic_block.h (bb_has_eh_pred): Fix comment.
7633 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7635 * flow.c (calculate_global_regs_live): Invalidate eh registers
7636 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7637 (propagate_block): Handle eh registers as if they were set at basic
7639 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7641 * global.c (global_conflicts): Make eh registers to conflict with
7642 pseudos live at basic block begin.
7643 * basic_block.h (bb_has_eh_pred): New function.
7645 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7647 PR rtl-optimization/28982
7648 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7649 index of a PRE_MODIFY or POST_MODIFY address.
7650 * reload1.c (inc_for_reload): Use find_replacement on the original
7651 base and index registers.
7653 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7655 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7656 for -Os. Update __m128 alignment requirement.
7658 2006-09-13 Jan Hubicka <jh@suse.cz>
7660 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7662 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7664 PR rtl-optimization/28243
7665 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7666 the insn to which the note was originally attached.
7668 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7669 Roger Sayle <roger@eyesopen.com>
7671 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7672 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7673 on platforms that don't use dwarf for debug info.
7675 2006-09-12 Jason Merrill <jason@redhat.com>
7678 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7679 hard_frame_pointer_rtx after using it to update the frame pointer.
7681 2006-09-12 Roger Sayle <roger@eyesopen.com>
7683 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7684 (TARGET_ASM_CLOSE_PAREN): Likewise.
7685 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7686 (TARGET_ASM_CLOSE_PAREN): Likewise.
7688 2006-09-12 Roger Sayle <roger@eyesopen.com>
7691 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7692 frame information for frames larger than 512 Kbytes on Tru64 when
7693 using the native assembler.
7695 2006-09-12 Roger Sayle <roger@eyesopen.com>
7699 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7700 and symbols. Instead use the implementation from cse.c's hash_rtx.
7702 2006-09-12 Jan Hubicka <jh@suse.cz>
7704 PR rtl-optimization/28071
7705 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7706 (vect_transform_loop): Likewise.
7707 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7708 (new_loop_vec_info): Likewise.
7709 (destroy_loop_vec_info): Likewise.
7710 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7711 (create_stmt_ann): Likewise.
7712 (create_tree_ann): Rename to ...
7713 (create_tree_common_ann): ... this one; allocate only the common part
7715 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7716 (get_value_handle): Likewise.
7717 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7718 get_tree_common_ann.
7719 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7720 (vinfo_for_stmt): Use stmt annotations.
7721 * tree-flow.h (tree_ann_common_t): New type.
7722 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7723 (tree_ann, get_tree_ann, create_tree_ann): New.
7724 * tree-flow-inline.h (get_function_ann): Do more type checking.
7725 (stmt_ann): Likewise.
7726 (tree_ann): Rename to ...
7727 (tree_common_ann): ... this one; return ony common_ann
7728 (get_tree_ann): Rename to ...
7729 (tree_common_ann): This one; return only common_ann.
7730 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7733 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7735 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7736 with_cpu by default.
7738 * dwarf2out.c (dwarf_file_data): New.
7739 (enum dw_val_class): Add dw_val_class_file.
7740 (struct dw_val_struct): Add val_file.
7741 (file_table): Change to a hash table.
7742 (file_table_emitted): Delete.
7743 (file_table_last_lookup_index): Delete.
7744 (emitcount): Delete.
7745 (last_emitted_file): New.
7746 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7747 (init_file_table): Delete.
7748 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7749 (AT_addr): Add comment.
7753 (print_die): Handle dw_val_class_file.
7754 (print_dwarf_line_table): Update for new file table structure.
7755 (attr_checksum): Do checksum a filename.
7756 (same_dw_val_p, same_attr_p): Do compare a filename.
7757 (size_of_die): Handle dw_val_class_file.
7758 (value_format): Likewise.
7759 (output_die): Likewise. Also, call maybe_emit_file here.
7760 (struct file_info): Constify filenames. Make file_idx a pointer
7761 to a struct dwarf_file_data.
7762 (struct dir_info): Constify directory names. Remove 'used' field.
7763 (struct file_name_acquire_data): New.
7764 (file_name_acquire): New.
7765 (output_file_names): Modify to handle new file data structures.
7766 (add_src_coords_attributes): Use add_AT_file.
7767 (add_call_src_coords_attributes): Likewise.
7768 (dwarf2out_imported_module_or_decl): Likewise.
7769 (gen_subprogram_die): Modify for new file data structures.
7770 (gen_variable_die): Likewise.
7771 (file_table_eq): New.
7772 (file_table_hash): New.
7773 (file_table_last_lookup): New.
7774 (lookup_filename): Rewrite to handle new file data structures.
7775 (maybe_emit_file): Rewrite to handle new file data structures.
7776 (dwarf2out_source_line): Always call lookup_filename and
7778 (dwarf2out_init): Create file_table here.
7779 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7780 (file_table_relative_p): New.
7781 (dwarf2out_finish): Change detection of relative filenames
7782 to work with new file data structures. Move output_line_info call
7783 after debug_info output.
7785 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7790 * config/i386/i386.c (override_options): Always default to 16
7791 byte stack boundary.
7793 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7796 * var-tracking.c (dump_dataflow_set): Start dumping at
7798 (clobber_variable_part): Kill only the variable part in
7799 registers holding it, leaving other variables alone.
7801 2006-09-11 Josh Triplett <josh@freedesktop.org>
7803 * doc/extend.texi (Other Builtins): Actually use the macro
7804 argument in the documentation example for
7805 __builtin_types_compatible_p.
7807 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7809 PR rtl-optimization/28726
7810 * sched-deps.c (sched_analyze_reg): New function extracted from...
7811 (sched_analyze_1): ...here. Call it to analyze references to
7812 registers. Treat again writes to a stack register as writing to the
7814 (sched_analyze_2): ...and here. Call it to analyze references to
7815 registers. Treat again reads of a stack register as reading the
7818 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7819 David Edelsohn <edelsohn@gnu.org>
7822 * config/rs6000/spe.md (frob_df_di): Remove %H.
7823 (frob_di_df): Remove %H. Change evmergelo to mr.
7824 (frob_di_df_2): Remove %H. Change evldd to two loads.
7826 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7828 * doc/cpp.texi: Fix names of charset options.
7830 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7833 * config/i386/i386.c (override_options): Use 128-bit
7834 stack boundary always for 64bits.
7836 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7838 PR rtl-optimization/28636
7839 * combine.c (force_to_mode): Test for side-effects before
7840 substituting by zero.
7841 (simplify_shift_const): Likewise for zero or other constants.
7843 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7846 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7849 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7852 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7853 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7854 returned by mode_for_size, rather than the mode of src itself,
7855 to choose between 32-bit and 64-bit patterns.
7856 (mips_mem_fits_mode_p): New function.
7857 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7858 that the size of the source matches the size of the destination.
7859 (mov_<store>l, mov_<store>r): Likewise.
7861 2006-09-10 Eric Christopher <echristo@apple.com>
7863 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7866 2006-09-09 Eric Christopher <echristo@apple.com>
7869 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7872 2006-09-09 Roger Sayle <roger@eyesopen.com>
7873 Nicolas Setton <setton@adacore.com>
7875 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7877 2006-09-10 Andreas Schwab <schwab@suse.de>
7879 * config/m68k/m68k.md (bungt_rev): New pattern.
7881 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7882 Dale Johannesen <dalej@apple.com>
7885 * regclass.c (struct reg_pref): Update documentation.
7886 (regclass): Set prefclass to NO_REGS if memory is the best option.
7887 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7889 2006-09-08 Eric Christopher <echristo@apple.com>
7891 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7892 * config/t-slibgcc-darwin: Support x86_64 multilib.
7893 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7894 Return 1 for x86_64-darwin.
7895 * config/i386/t-darwin: Add m64 multilib.
7896 (LIB2_SIDITI_CONV_FUNCS): Use.
7897 (LIB2FUNCS_EXTRA): Ditto.
7898 * config/i386/darwin.h: Support x86_64.
7899 * config/i386/i386.c (override_options): Turn on flag_pic
7900 for x86_64-darwin. Disable flag_omit_pointer.
7901 (get_pc_thunk_name): Assert !TARGET_64BIT.
7902 (legitimate_address_p): Disable machopic addressing for
7904 (legitimize_pic_address): Ditto.
7905 (ix86_expand_move): Ditto.
7906 (ix86_expand_call): Ditto.
7907 (machopic_output_stub): Ditto.
7908 * config/darwin.c (machopic_select_section): Support literal16.
7909 (machopic_select_rtx_section): Ditto.
7910 * config/darwin-sections.def: Ditto.
7911 * config/darwin-64.c: New.
7913 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7916 * c-tree.h (struct c_arg_info): Add pending_sizes.
7917 * c-parser.c (c_parser_parms_declarator,
7918 c_parser_parms_list_declarator): Initialize pending_sizes.
7919 * c-decl.c (get_parm_info): Initialize pending_sizes.
7920 (get_parm_info): Set pending_sizes.
7921 (grokdeclarator): Call put_pending_sizes for parameters for
7922 function definition only.
7924 2006-09-07 Jason Merrill <jason@redhat.com>
7927 * varasm.c (output_constant): Only strip actual no-op conversions.
7930 * config/i386/i386.c (override_options): Use 128-bit
7931 stack boundary if -msse.
7933 2006-09-07 Eric Christopher <echristo@apple.com>
7935 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7937 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7940 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7942 * dwarf2out.c: Remove strange characters from comment above
7943 dwarf2out_frame_debug_expr.
7945 2006-09-07 Eric Christopher <echristo@apple.com>
7947 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7948 * config/darwin.h: ... to here.
7950 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7952 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7954 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7955 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7957 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7958 TARGET_PARTIAL_FLAG_REG_STALL.
7959 (*ashldi3_cconly_rex64): Likewise.
7960 (*ashlsi3_cmp): Likewise.
7961 (*ashlsi3_cconly): Likewise.
7962 (*ashlsi3_cmp_zext): Likewise.
7963 (*ashlhi3_cmp): Likewise.
7964 (*ashlhi3_cconly): Likewise.
7965 (*ashlqi3_cmp): Likewise.
7966 (*ashlqi3_cconly): Likewise.
7967 (*ashrdi3_cmp_rex64): Likewise.
7968 (*ashrdi3_cconly_rex64): Likewise.
7969 (*ashrsi3_cmp): Likewise.
7970 (*ashrsi3_cconly): Likewise.
7971 (*ashrsi3_cmp_zext): Likewise.
7972 (*ashrhi3_cmp): Likewise.
7973 (*ashrhi3_cconly): Likewise.
7974 (*ashrqi3_cmp): Likewise.
7975 (*ashrqi3_cconly): Likewise.
7976 (*lshrdi3_cmp_rex64): Likewise.
7977 (*lshrdi3_cconly_rex64): Likewise.
7978 (*lshrsi3_cmp): Likewise.
7979 (*lshrsi3_cconly): Likewise.
7980 (*lshrsi3_cmp_zext): Likewise.
7981 (*lshrhi3_cmp): Likewise.
7982 (*lshrhi3_cconly): Likewise.
7983 (*lshrqi2_cmp): Likewise.
7984 (*lshrqi2_cconly): Likewise.
7986 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7989 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7990 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7991 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7992 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7993 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7994 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7995 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7996 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7997 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7998 implement only CC setting effects of shift instructions.
8000 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8002 * doc/contrib.texi: Add myself.
8004 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8007 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8008 was set by the user.
8010 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8013 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8014 (divsi_inv_m1): Use them.
8015 (UNSPEC_DIV_INV_TABLE): New constant.
8017 2006-09-06 James E Wilson <wilson@specifix.com>
8020 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8021 then call count_or_remove_death_notes.
8023 2006-09-06 Jason Merrill <jason@redhat.com>
8026 * tree-inline.c (copy_result_decl_to_var): New fn.
8027 (declare_return_variable): Use it. Call declare_inline_vars here.
8028 (expand_call_inline): Not here.
8030 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8032 * doc/contrib.texi: Update my entry.
8034 2006-09-06 Nick Clifton <nickc@redhat.com>
8036 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8038 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8041 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8042 (canonicalize_induction_variables): Likewise.
8043 (tree_unroll_loops_completely): Likewise.
8044 (tree_ssa_prefetch_arrays): Likewise.
8045 (remove_empty_loops): Likewise.
8046 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8047 TODO_cleanup_cfg instead of directly calling
8048 cleanup_tree_cfg_loop.
8049 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8051 (tree_unroll_loops_completely): Likewise.
8052 (remove_empty_loops): Likewise.
8053 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8054 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8055 of tree_ssa_unswitch_loops.
8056 (tree_ssa_loop_ivcanon): Use the return value of
8057 canonicalize_induction_variables.
8058 (tree_ssa_empty_loop): Use the return value of
8060 (tree_complete_unroll): Use the return value of
8061 tree_unroll_loops_completely.
8062 (tree_ssa_loop_prefetch): Use the return value of
8063 tree_ssa_prefetch_arrays.
8064 * passes.c (execute_todo): Before Cleanup CFG, set
8065 updating_used_alone and after cleanup CFG, call
8066 recalculate_used_alone.
8068 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8071 * tree-vect-transform.c (vectorizable_condition): Move the check
8072 for the type after the check for simple condition.
8074 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8075 Kaz Kojima <kkojima@gcc.gnu.org>
8078 * mode-switching.c (optimize_mode_switching): Make the destination
8079 block of an abnormal edge have no anticipatable mode. Don't
8080 insert mode switching code at the end of the source block of
8083 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8085 PR rtl-optimization/26847
8086 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8087 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8088 (simplify_plus_minus): Count n_constants while filling ops. Replace
8089 qsort with insertion sort. Before going through the array to simplify
8090 pairs, sort it. Delay early exit until after the first sort, exiting
8091 only if no swaps occurred. Simplify pairs in reversed order, without
8092 special-casing the first iteration. Pack ops after simplifying pairs.
8094 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8096 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8097 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8098 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8099 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8101 2006-09-05 Richard Guenther <rguenther@suse.de>
8103 PR tree-optimization/28900
8104 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8105 compound conditional before creating COND_EXPR condition.
8107 2006-09-05 Richard Guenther <rguenther@suse.de>
8109 PR tree-optimization/28905
8110 * tree-vrp.c (fix_equivalence_set): Manually implement
8111 !value_ranges_intersect_p to also handle symbolic ranges.
8113 2006-09-05 Richard Guenther <rguenther@suse.de>
8116 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8119 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8121 PR rtl-optimization/27616
8122 * cse.c (table_size): New static variable.
8123 (new_basic_block): Initialize it to 0.
8124 (remove_from_table): Decrement it.
8125 (insert): Increment it.
8126 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8127 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8128 fold_rtx_mem_1 if under the cap.
8129 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8130 the lookup of the equivalent expression and test for equality of the
8131 first operand of the equivalent expression before in turn looking up
8132 an equivalent constant for the second operand.
8134 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8137 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8138 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8139 pointer, instead of assuming it is possible to derive the
8140 correct args size from a call insn.
8142 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8145 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8146 (fold_builtin_mempcpy): Rename to...
8147 (fold_builtin_memory_op): ... this. Optimize one element copy
8149 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8151 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8152 (expand_builtin_memcpy, expand_builtin_mempcpy,
8153 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8154 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8155 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8156 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8158 2006-09-01 DJ Delorie <dj@redhat.com>
8160 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8161 (stzx_16): Likewise.
8162 ("stzx_24_<mode>"): Likewise.
8163 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8164 ("cmp<mode>_op"): New.
8165 (cmp<mode>): Change to expander; just save operands.
8167 (b<code>): Change to expander, emit compare here.
8168 (s<code>_op): Change to use split and expander.
8169 (s<code>_24_op): Likewise.
8170 (s<code>_<mode>): New.
8171 (s<code>_<mode>_24): New.
8172 (movqicc_<code>_<mode): New.
8173 (movhicc_<code>_<mode>): New.
8176 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8177 (m32c_pend_compare): New.
8178 (m32c_unpend_compare): New.
8179 (m32c_expand_scc): New.
8180 (m32c_expand_movcc): Emit the compare also.
8181 * config/m32c/predicates.md (mra_nopp_operand): New.
8183 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8184 Richard Guenther <rguenther@suse.de>
8185 Adam Nemet <anemet@caviumnetworks.com>
8188 * builtins.c (get_pointer_alignment): Handle more forms
8189 of base addresses that can be used to derive more precise
8190 information about alignment.
8192 2006-09-01 Jason Merrill <jason@redhat.com>
8195 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8198 * gimplify.c (voidify_wrapper_expr): Handle null type.
8200 2006-09-01 Josh Conner <jconner@apple.com>
8203 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8204 (execute_return_slot_opt): Use it.
8206 2006-08-31 Josh Conner <jconner@apple.com>
8209 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8210 returning aggregates.
8212 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8214 PR tree-optimization/28839
8215 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8216 blocks in that phi arguments appear.
8218 2006-08-31 Roger Sayle <roger@eyesopen.com>
8221 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8222 NULL, otherwise use an advance_loc4 to adjust relative to the
8224 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8225 (dwarf2out_switch_text_section): Reset the current label to avoid
8226 using advance_loc4 over section boundaries.
8228 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8231 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8232 r12 + SYMBOLIC_CONST.
8234 2006-08-30 Richard Guenther <rguenther@suse.de>
8236 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8238 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8240 PR rtl-optimization/27735
8241 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8242 Add new argument to keep track of whether an irreducible region
8243 was affected. All callers changed.
8244 (fix_irreducible_loops): Removed.
8245 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8246 flags were invalidated.
8248 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8250 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8251 instead of SF operands.
8252 (*fop_df_comm_sse): Likewise.
8253 (*fop_df_comm_i387): Likewise.
8254 (*fop_df_1_mixed): Likewise.
8255 (*fop_df_1_sse): Likewise.
8257 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8258 J"orn Rennecke <joern.rennecke@st.com>
8260 PR tree-optimization/17506
8261 * tree-ssa.c (warn_uninit): If warning about a location outside of
8262 the current function, note where the variable was declared.
8264 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8266 PR tree-optimization/28411
8267 * double-int.c (double_int_div): Use double_int_divmod.
8268 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8269 double_int_mod, double_int_smod, double_int_umod): New functions.
8270 * double-int.h (double_int_divmod, double_int_sdivmod,
8271 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8273 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8275 (get_computation_aff, get_computation_cost_at): Handle double_int
8276 return type of constant_multiple_of.
8278 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8281 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8282 an implicit conversion.
8284 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8286 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8288 2006-08-27 Roger Sayle <roger@eyesopen.com>
8290 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8293 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8295 * config/i386/crtfastmath.c: Fix a comment typo.
8297 2006-08-26 Roger Sayle <roger@eyesopen.com>
8299 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8300 temporary visit flags on CASE_LABEL_EXPRs.
8301 * c-common.c (match_case_to_enum): Add function comment. Avoid
8302 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8303 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8304 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8305 a constant, only warn if that constant value isn't handled.
8307 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8310 * input.h (restore_input_file_stack): Declare.
8311 (INPUT_FILE_STACK_BITS): Define.
8312 * toplev.c (fs_p, input_file_stack_history,
8313 input_file_stack_restored, restore_input_file_stack): New.
8314 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8315 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8316 (pop_srcloc): Don't free old state of stack.
8318 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8321 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8322 (PowerPC Type Attributes): New.
8324 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8326 * config/xtensa/xtensa.c (function_arg_boundary): New.
8327 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8329 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8330 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8332 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8335 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8338 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8340 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8341 (verify_local_live_at_start): Likewise.
8343 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8346 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8347 omp_add_variable): Treat sizes as variable whenever not
8350 2006-08-26 Richard Guenther <rguenther@suse.de>
8353 * fold-const.c (fold_binary): Fold temporary to correct
8354 type before constructing new comparison.
8356 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8359 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8360 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8362 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8365 * c-decl.c (start_function): Don't try to process prototype
8366 information from old declaration that isn't a function.
8368 2006-08-25 Jan Hubicka <jh@suse.cz>
8371 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8373 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8376 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8379 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8381 PR tree-optimization/16876
8382 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8383 exit if PARM doesn't match VALUE.
8385 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8387 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8388 literal_prefix directive.
8389 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8390 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8391 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8393 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8396 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8397 predicate to general_operand. Add 0->y and I->r alternatives.
8399 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8401 * doc/tm.texi: Fix a typo.
8402 * predict.c: Fix comment typos.
8404 2006-08-25 Nick Clifton <nickc@redhat.com>
8406 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8407 assertions of "cpu" and "machine".
8409 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8412 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8413 the access through a base which has an alias set of 0 cannot
8416 2006-08-24 Bill Wendling <wendling@apple.com>
8418 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8420 2006-08-24 Jan Hubicka <jh@suse.cz>
8422 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8424 2006-08-24 Jan Hubicka <jh@suse.cz>
8427 * cgraph.c: Fix comments.
8428 (cgraph_varpool_mark_needed_node): Mark only variables not already
8430 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8431 (cgraph_varpool_assembled_nodes_queue): New static variable.
8432 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8433 (cgraph_varpool_output_debug_info): New function.
8434 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8435 * Makefile.in: Add gt-cgraphunit.h
8437 2006-08-24 Jan Hubicka <jh@suse.cz>
8439 * predict.c (probability_reliable_p): New predicate.
8440 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8441 (predict_loops): Do not predict loop exit with less than 2%
8443 * basic-block.h (edge_probability_reliable_p,
8444 br_prob_note_reliable_p): Declare.
8445 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8446 prediction when static predictor is not reliable.
8447 * rs6000.c (output_cbranch): Likewise.
8449 2006-08-23 Stuart Hastings <stuart@apple.com>
8452 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8453 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8455 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8458 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8459 complex values, nor for generic vector values.
8461 2006-08-22 Richard Guenther <rguenther@suse.de>
8464 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8465 parameter. Convert arguments to arithmetic expression to the
8467 (analyze_scalar_evolution_1): Adjust caller.
8469 2006-08-22 Jan Hubicka <jh@suse.cz>
8471 Patch by Paolo Bonzini
8472 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8475 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8477 PR tree-optimization/28003
8478 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8479 before grouping aliases.
8481 2006-08-22 Roger Sayle <roger@eyesopen.com>
8483 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8484 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8486 2006-08-21 Jason Merrill <jason@redhat.com>
8489 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8490 wrapper. Loop to handle nested wrappers.
8491 (gimplify_bind_expr): Remove temp parameter.
8492 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8493 and STATEMENT_LIST on the rhs.
8494 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8495 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8496 (gimplify_target_expr): Remove special BIND_EXPR handling.
8498 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8500 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8503 2006-08-21 Olivier Hainque <hainque@adacore.com>
8505 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8506 Arrange for the temporary captures of components overlapping the lhs
8507 to happen before the lhs is possibly cleared.
8509 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8511 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8512 necessary places to pass the correct "number of registers" values
8515 2006-08-20 Jan Hubicka <jh@suse.cz>
8517 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8518 (create_name_tags): Instead of quadratic checking use hashtable.
8519 * bitmap.h: Include hashtab.h.
8520 (bitmap_hash): Declare.
8521 * bitmap.c (bitmap_hash): New function.
8523 2006-08-20 Jan Hubicka <jh@suse.cz>
8525 PR rtl-optimization/28071
8526 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8528 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8529 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8530 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8531 cgraph_decide_inlining_incrementally): Update use of
8532 cgraph_check_inline_limits.
8533 * cgraph.c (edge_hash, edge_eq): New function.
8534 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8535 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8536 cgraph_remove_node): Maintain call site hash.
8537 * cgraph.h (struct cgraph_node): Add call_site_hash.
8538 (cgraph_set_call_stmt): New function.
8540 2006-08-20 Jan Hubicka <jh@suse.cz>
8542 PR rtl-optimization/28071
8543 * reload1.c (reg_has_output_reload): Turn into regset.
8544 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8545 choose_reload_regs, emit_reload_insns): Update to new
8546 reg_has_output_reload.
8548 2006-08-20 Jan Hubicka <jh@suse.cz>
8551 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8552 function body sizes.
8553 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8555 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8558 * tree.c (handle_dll_attribute): Return early if not a
8559 var or function decl.
8561 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8564 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8565 alignment of SPE vector types.
8567 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8569 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8571 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8574 * cgraph.h (struct cgraph_node): Remove externally_visible
8576 * cgraphunit.c (process_function_and_variable_attributes): Set
8577 local.externally_visible rather than externally_visible.
8580 * c-common.c (handle_externally_visible_attribute): First look
8581 at TREE_CODE and only if it is function or var decl, check for
8582 non-public objects. Don't warn for DECL_EXTERNAL.
8583 * cgraphunit.c (process_function_and_variable_attributes): Warn
8584 if externally_visible attribute is used on non-public object.
8586 2006-08-17 Jan Hubicka <jh@suse.cz>
8588 PR tree-optimization/27865
8589 * reload1.c (forget_marked_reloads): New function.
8590 (forget_old_reloads_1): When data are passed, just mark the registers
8592 (reload_as_needed): Use the new mechanizm.
8594 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8597 * reload.h (reg_equiv_alt_mem_list): New declaration.
8598 * reload1.c (reg_equiv_alt_mem_list): New definition.
8599 (reload): Initialize it and release it.
8600 (delete_output_reload): Use it.
8601 * reload.c (push_reg_equiv_alt_mem): New function.
8602 (find_reloads_toplev): Call it.
8603 (find_reloads_address, find_reloads_address_1): Likewise.
8604 (find_reloads_subreg_address): Likewise.
8606 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8608 PR rtl-optimization/28489
8609 * sched-ebb.c (begin_schedule_ready): Create basic block
8611 (advance_target_bb): Skip empty blocks.
8612 * haifa-sched.c (bb_note): Make global.
8613 * sched-int.h (bb_note): Add prototype.
8615 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8617 PR tree-optimization/27865
8618 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8620 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8621 fold_used_pointer, pointer_used_p): New functions.
8622 (analyze_scalar_evolution_1): Use fold_used_pointer.
8623 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8624 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8627 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8630 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8631 or the INTEGER_CST. Fail on a CALL_EXPR.
8632 (fold_offsetof): Pass new argument to fold_offsetof_1.
8633 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8634 operand into an INDIRECT_REF.
8635 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8637 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8639 PR gcov/profile/26570
8640 * value-prof.c (static_values): Removed.
8641 (tree_find_values_to_profile): Do not set static_values.
8642 (find_values_to_profile): Do not free static_values.
8643 * profile.c (instrument_values): Do not free the values.
8644 (branch_prob): Free the values.
8646 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8648 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8650 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8653 * c-typeck.c (build_component_ref): Combine qualifiers of
8654 structure or union and field.
8656 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8658 PR rtl-optimization/28071
8659 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8660 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8661 * tree-into-ssa.c (struct dom_dfsnum): New.
8662 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8664 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8665 compute_global_livein.
8666 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8667 in phi nodes in the correct blocks.
8669 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8671 PR tree-optimization/28364
8672 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8674 (fold_affine_expr): New function.
8675 (may_eliminate_iv): Use fold_affine_expr.
8677 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8680 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8683 2006-08-16 Mike Stump <mrs@apple.com>
8685 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8686 * doc/cppopts.texi (-MD): Likewise.
8688 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8691 * c-common.c (handle_weak_attribute): Ignore and warn if
8692 not a FUNCTION_ or VAR_DECL.
8694 2006-07-15 Mike Stump <mrs@apple.com>
8697 * c-parser.c (c_parser_typeof_specifier): Don't use
8698 c_finish_expr_stmt, open code desired semantics instead.
8700 2006-08-15 Nick Clifton <nickc@redhat.com>
8702 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8703 fragment to tmake_file only if threads are enabled.
8704 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8705 * config/i386/t-gthr-win32: New file. ... here.
8707 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8710 * c-parser.c (c_parser_compound_statement_nostart): Reset
8711 parser->error after each statement.
8713 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8716 * omp-low.c (lower_omp_parallel): Convert t to
8717 receiver_decl's type.
8718 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8719 source before comparison.
8722 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8723 to itype in assignment to oldival2.
8725 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8729 * c-typeck.c (build_compound_expr): If the second expression
8730 is an error mark, then just return an error mark instead of
8731 creating a COMPOUND_EXPR.
8733 2006-07-14 Mike Stump <mrs@apple.com>
8735 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8737 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8739 * c-decl.c, var-tracking.c: Fix comment typos.
8741 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8743 PR rtl-optimization/28634
8744 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8745 for floating-point modes unless flag_unsafe_math_optimizations.
8747 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8748 Andrew Pinski <pinskia@physics.uc.edu>
8751 * tree.c (build_array_type): Unify array types with
8752 unspecified index_type.
8753 * c-decl.c (grokdeclarator): Make sure we do not modify a
8754 unified incomplete array type.
8755 * c-typeck.c (store_init_value): Create distinct type before
8756 filling in the index type in an initializer from a compound
8759 * c-decl.c (grokdeclarator): Remove code where we copy the
8762 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8764 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8765 into account for TODO_dump_cgraph.
8766 (TODO_update_ssa_no_phi): Likewise.
8767 (TODO_update_ssa_full_phi): Likewise.
8768 (TODO_update_ssa_only_virtuals): Likewise.
8769 (TODO_remove_unused_locals): Likewise.
8770 (TODO_set_props): Likewise.
8771 (TODO_update_stmt_usage): Likewise.
8773 2006-08-13 Dirk Mueller <dmueller@suse.de>
8775 * c-common.c (strict_aliasing_warning): Fix formatting.
8777 2006-08-13 Matthias Klose <doko@debian.org>
8779 * doc/invoke.texi: Fix spelling errors.
8781 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8783 PR rtl-optimization/23454
8784 * reorg.c (relax_delay_slots): Update comment.
8786 2006-08-11 Richard Guenther <rguenther@suse.de>
8789 * simplify-rtx.c (simplify_const_relational_operation):
8790 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8793 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8795 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8796 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8798 2006-08-10 Paul Brook <paul@codesourcery.com>
8800 * final.c (final_scan_insn): Clear current_insn_predicate before
8801 outputting inline asm.
8803 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8805 PR tree-optimization/26197
8806 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8807 get_ref_base_and_extent and overlap_subvar to add only relevant
8808 subvars as may-aliases.
8809 (add_may_alias_for_new_tag): New function, factored out of
8811 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8812 with additional argument.
8813 * tree-flow.h (new_type_alias): Takes additional argument.
8815 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8817 * gcov.c (no_data_file): New flag.
8818 (read_count_file): Set it if data file not present. Assume counts
8820 (output_lines): Don't name the data file, if there wasn't one.
8822 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8824 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8825 (rs6000_generate_compare): Tweak comments.
8826 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8828 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8830 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8831 (var_debug_decl): New function.
8832 (var_reg_set): Follow debug decl link. Add location even if
8833 reg is already known to hold some other variable.
8834 (var_mem_set): Follow debug decl link.
8835 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8836 decl link. Delete other known locations of the variable part
8838 (var_reg_delete, var_mem_delete): Delete other known locations
8839 of the variable part if requested.
8840 (same_variable_part_p): New function.
8841 (add_stores): Select MO_COPY when appropriate.
8842 (vt_initialize): Handle it.
8843 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8844 known locations for MO_SET and MO_CLOBBER.
8845 (find_variable_location_part): New function.
8846 (set_variable_part, delete_variable_part): Use it.
8847 (clobber_variable_part): New function.
8848 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8851 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8853 PR tree-optimization/26969
8854 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8855 with an empty list of PHIs.
8857 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8861 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8864 2006-08-06 Andreas Schwab <schwab@suse.de>
8866 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8867 string. Whitespace and comment fixup.
8869 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8872 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8876 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8879 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8881 2006-08-04 Jan Hubicka <jh@suse.cz>
8885 * reload.c (push_reload): Patch out the mismatching instruction;
8887 (find_reload): Bail out if the instruction was patched out.
8889 2006-08-04 Jan Hubicka <jh@suse.cz>
8891 PR tree-optimization/24888
8892 * tree-inline.c (expand_call_inline): Do not re-record variables.
8893 (declare_inline_vars): Add variable to unexpanded_var_list.
8895 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8896 Roger Sayle <roger@eyesopen.com>
8898 PR rtl-optimization/26244
8899 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8900 inner_const are negative or greater than or equal to the bitsize of
8901 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8902 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8903 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8904 CONST0_RTX (mode) when the new shift count is greater than or equal to
8905 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8908 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8910 * tree-cfg.c: Fix a comment typo.
8912 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8915 * varasm.c (output_constant): Give the front end another chance to
8916 expand constants, after stripping NOPs.
8918 2006-08-03 Jan Hubicka <jh@suse.cz>
8920 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8923 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8925 PR tree-optimization/27770
8926 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8927 declaration removed (moved to tree-flow.h).
8928 (vect_can_force_dr_alignment_p): Likewise.
8929 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8930 (moved from tree-vectorizer.h).
8931 (vect_can_force_dr_alignment_p): Likewise.
8932 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8933 from outside the vectorizer - in particular from cgraph stage.
8934 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8935 the alignment of global arrays when -fsection-anchors is enabled.
8936 * cgraphunit.c (cgraph_increase_alignment): New function.
8937 (cgraph_optimize): Call cgraph_increase_alignment.
8939 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8942 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8943 not reload a SPE symbol_ref into a lo_sum address.
8945 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8948 * dwarf2out.c (prune_unused_types_prune): Move call to
8949 prune_unused_types_update_strings to cover the parent DIE also.
8951 2006-08-02 Jan Hubicka <jh@suse.cz>
8953 PR gcov/profile/28480
8954 * tree-cfg.c (change_bb_for_stmt): New function.
8955 (tree_merge_blocks, tree_split_blocks): Use it.
8957 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8963 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8964 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8965 (cgraph_optimize): Likewise.
8967 2006-08-01 Stuart Hastings <stuart@apple.com>
8969 * rtl.h (UINTVAL) New.
8970 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8971 * testsuite/gcc.dg/20060801-1.c: New.
8973 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8976 * c-typeck.c (build_external_type): Mark used enum types.
8977 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8979 (gen_subprogram_die): Whitespace fix.
8981 2006-08-01 Jan Hubicka <jh@suse.cz>
8983 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8984 bitmap when not needed.
8985 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8988 2006-08-01 Dirk Mueller <dmueller@suse.de>
8990 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8992 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8994 * Makefile.in: Revert part of previous patch:
8995 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8998 2006-07-30 Eric Christopher <echristo@apple.com>
9001 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9002 (PowerPC Variable Attributes): New section.
9004 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9006 PR target/28126 (partial fix)
9007 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9009 2006-07-28 Jan Hubicka <jh@suse.cz>
9011 PR rtl-optimization/28071
9012 * cfgrtl.c (rtl_delete_block): Free regsets.
9013 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9015 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9017 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9018 and variables used in dependencies.
9020 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9022 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9023 %fs for -mcmodel=kernel.
9024 (stack_tls_protect_test_di): Likewise.
9026 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9028 * Makefile.in: Use mkinstalldirs.
9030 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9033 * opts-common.c (prune_options): Skip joined switches.
9035 2006-07-27 Jan Hubicka <jh@suse.cz>
9037 PR rtl-optimization/28071
9038 * cselib.c (cselib_process_insn): Don't remove useless values too
9039 often for very large hashtables.
9041 2006-07-27 Jan Hubicka <jh@suse.cz>
9043 PR rtl-optimization/28071
9044 * global.c (greg_obstack): New obstack.
9045 (allocate_bb_info): Use it.
9046 (free_bb_info): Likewise.
9047 (modify_reg_pav): Likewise.
9049 2006-07-27 Roger Sayle <roger@eyesopen.com>
9051 * builtins.c (fold_fixed_mathfn): When long and long long are the
9052 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9053 functions to their lceil*, lfloor*, lround* and lrint* forms.
9055 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9058 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9060 (rev_branch_insn): Likewise.
9062 2006-07-27 Jan Hubicka <jh@suse.cz>
9064 PR rtl-optimization/28071
9065 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9066 (reg_set_in_bb, max_reg_computed): New static variables.
9067 (regmove_optimize): Free the new array.
9068 (fixup_match_1): Update call of reg_is_remote_constant_p.
9070 2006-07-26 Jan Hubicka <jh@suse.cz>
9072 PR tree-optimization/27882
9073 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9075 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9077 (cgraph_analyze_compilation_unit): Likewise.
9078 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9079 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9080 (cgraph_early_inlinine): Make order garbage collected.
9081 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9083 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9085 * dbxout.c (output_types_sort): Add a comment.
9086 (output_used_types): Free the VEC.
9088 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9090 * function.c (reorder_fix_fragments): Delete.
9091 (reorder_blocks): Don't call it.
9092 (reorder_blocks_1): Put all subblocks under the origin block.
9094 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9096 PR rtl-optimization/27907
9097 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9100 2006-07-25 Roger Sayle <roger@eyesopen.com>
9103 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9104 bar(x) check that bar's result type can represent all the values of T.
9106 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9108 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9110 2006-07-25 Nick Clifton <nickc@redhat.com>
9112 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9113 size_lookup[] array.
9114 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9115 (ggc_pch_count_object): Likewise.
9116 (ggc_pch_alloc_object): Likewise.
9117 (ggc_pch_write_object): Likewise.
9118 (init_ggc): Do not attempt to initialize entries in the
9119 size_lookup[] array for objects whose size is greater than than
9120 the length of the array.
9122 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9124 * dbxout.c (output_used_types_helper): Push queued types
9126 (output_types_sort): New.
9127 (output_used_types): Collect used types on a VEC and sort them
9130 2006-07-24 Richard Guenther <rguenther@suse.de>
9133 * cgraph.c (cgraph_remove_node): Do not check if dumps
9135 * cgraphunit.c (cgraph_optimize): Likewise.
9137 2006-07-24 Jan Hubicka <jh@suse.cz>
9139 PR rtl-optimization/28071
9140 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9141 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9142 splitting before first stmt.
9144 2006-07-24 Jan Hubicka <jh@suse.cz>
9146 PR rtl-optimization/28071
9147 * ipa-inline.c (update_caller_keys): Remove edges that
9148 are no longer inline candidates.
9150 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9153 * dbxout.c (output_used_types_helper, output_used_types): New.
9154 (dbxout_symbol): Call output_used_types.
9156 2006-07-23 Jan Hubicka <jh@suse.cz>
9160 * cgraph.c (cgraph_varpool_nodes): Export.
9161 (decide_is_variable_needed): Ignored "used" attribute in
9162 unit-at-a-time mode.
9163 * cgraph.h (cgraph_varpool_nodes): Declare.
9164 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9165 unit-at-a-time mode.
9167 2006-07-23 Roger Sayle <roger@eyesopen.com>
9170 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9171 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9172 the __gthrw form of thr_keycreate.
9173 (__gthread_key_delete): Silence the unused argument warning.
9175 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9178 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9179 Cache the last found '\0' marker to avoid quadratic behavior.
9181 2006-07-23 Jan Hubicka <jh@suse.cz>
9183 * i386.md (subsi_3_zext): Fix output template.
9185 2006-07-21 Mike Stump <mrs@apple.com>
9187 * doc/invoke.texi (C++ Dialect Options): Note that
9188 -fvisibility-inlines-hidden doesn't affect explicitly
9189 instantiationed inline methods.
9191 2006-07-20 Roger Sayle <roger@eyesopen.com>
9193 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9194 if the target assembler is GNU binutils' gas.
9195 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9196 whether to pass GNU gas or native as command line options.
9198 2006-07-20 Jason Merrill <jason@redhat.com>
9200 * tree.c (remove_attribute): New fn.
9201 * tree.h: Declare it.
9203 2006-07-20 Paul Brook <paul@codesourcery.com>
9206 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9207 they are invalidated by this instruction.
9209 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9212 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9214 2006-07-20 Eric Christopher <echristo@apple.com>
9217 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9219 2006-07-19 Eric Christopher <echristo@apple.com>
9221 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9222 Rewrite dependencies for libgcc_s.1.dylib.
9224 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9226 * except.c (duplicate_eh_regions_1): Clear next_peer.
9228 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9230 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9231 -mlongcall does not guarantee all calls will be long.
9232 * doc/extend.texi (long_call/short_call): Document that longcall
9233 does not guarantee a long call will be used.
9234 (longcall/shortcall): Likewise.
9236 2006-07-18 Roger Sayle <roger@eyesopen.com>
9239 * expmed.c (expand_shift): Additionally check that the shift_cost
9240 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9241 before implementing a LSHIFT_EXPR as a sequence of additions.
9242 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9243 middle-end that DImode shifts need to be synthesized by expand.
9245 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9248 * tree-ssa-operands.c (access_can_touch_variable): Update
9250 Return true if ALIAS is .GLOBAL_VAR.
9252 2006-07-18 David Daney <ddaney@avtrex.com>
9254 * gcc.c (display_help): Fix typo in help text.
9256 2006-07-18 Olivier Hainque <hainque@adacore.com>
9258 * tree.h (categorize_ctor_elements): Adjust prototype and add
9259 descriptive comment, both in accordance with the interface change
9261 * varasm.c (constructor_static_from_elts_p): New function.
9262 Whether a constructor node is a valid static constant initializer
9263 if all its elements are.
9264 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9265 * output.h: Declare it.
9266 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9267 is a valid constant initializer instead of computing the number of
9268 non-constant elements. Use constructor_static_from_elts_p for this
9269 purpose. Replace the head comment with an indication that this is a
9270 helper for categorize_ctor_elements.
9271 (categorize_ctor_elements): Same interface change as for the _1
9272 helper. Former head comment from this helper moved here, adjusted to
9273 account for the interface changes.
9274 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9275 (all_zeros_p): Likewise.
9276 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9277 static versions of the constructor from the categorize_ctor_elements
9278 return value instead of the formerly computed number of non-constant
9281 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9283 * configure: Regenerate.
9284 * Makefile.in (build_libsubdir): New configure substitution
9285 (build_libobjdir): New variable.
9286 (BUILD_LIBIBERTY): Use it.
9288 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9291 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9293 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9296 * c-common.c (handle_weakref_attribute): Ignore attribute in
9297 the same conditions the alias attribute is ignored.
9299 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9301 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9302 (dbxout_begin_prologue): Increment scope_labelno.
9304 2006-07-17 Richard Henderson <rth@redhat.com>
9307 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9310 2006-07-17 Roger Sayle <roger@eyesopen.com>
9311 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9313 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9314 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9315 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9316 functions such as sbrk, write, etc.. Add function prototypes.
9317 Convert function declarations from K&R to ISO C. Cast pointers
9318 to "long" and "unsigned long" instead of "int" and "unsigned int".
9319 Convert tokens following #endif into comments.
9321 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9323 * invoke.texi: Remove mention of f77; Reformat table for
9324 inline parameter options correctly; mention that -malign-double
9325 is default on x86-64 targets.
9327 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9329 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9330 (convert_affine_scev, chrec_convert_aggressive): Use
9331 avoid_arithmetics_in_type_p. Do not check for the subtypes
9334 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9337 * optabs.c (expand_doubleword_shift): Wrap the call to
9338 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9340 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9343 * optabs.c (expand_binop): Pass next_methods rather than methods
9344 to expand_doubleword_shift.
9346 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9349 * tree.h (dump_addr): Declare.
9350 * print-tree.c (dump_addr): New function.
9351 (print_node_brief, print_node): Use it.
9352 * print-rtl.c (print_rtx): Likewise.
9353 * common.opt (-fdump-noaddr): New option.
9354 * doc/invoke.texi (-fdump-noaddr): Document.
9355 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9356 (ve_info_hash): Likewise.
9358 2006-07-13 Andrew Haley <aph@redhat.com>
9360 PR tree-optimization/19505
9361 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9362 edge leaving this block, make sure that the destination of this
9363 block has only one predecessor.
9365 2006-07-17 Richard Guenther <rguenther@suse.de>
9367 PR tree-optimization/28238
9368 * tree-inline.c (copy_bb): Check if we produced valid
9369 gimple copying and substituting a stmt. If not, gimplify
9372 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9374 * optabs.c (maybe_encapsulate_block): New function extracted from...
9375 (emit_libcall_block): ...here. Invoke it on the block of insns to
9376 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9377 (emit_no_conflict_block): Likewise.
9379 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9381 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9383 2006-07-15 Roger Sayle <roger@eyesopen.com>
9385 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9386 a new NOP_EXPR case of the switch statement.
9388 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9391 * stor-layout.c (place_field): Take the bit field with
9392 an excessive size into account in the ms-bitfiled case.
9395 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9396 the previous bit field.
9398 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9401 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9403 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9405 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9406 signal frames correctly even when the signal was installed with
9409 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9411 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9412 (dbxout_function_end): Use local label LFBB. Remove hook
9414 (dbxout_source_line): Use local label LFBB.
9415 (dbxout_block): Likewise.
9416 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9417 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9418 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9419 and DBX_OUTPUT_NFUN.
9421 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9423 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9425 2006-07-13 Jan Hubicka <jh@suse.cz>
9427 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9429 * output.h (align_variable): Declare.
9430 * varasm.c (align_variable): Export.
9431 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9432 when basic block changed.
9434 2006-07-13 Nick Clifton <nickc@redhat.com>
9436 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9437 walking the LOG_LINKS chain.
9439 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9441 * doc/invoke.texi (C++ Dialect Options): Explain difference
9442 between -fvisibility-inlines-hidden and setting hidden
9443 visibility explicitly.
9445 2006-07-12 Eric Christopher <echristo@apple.com>
9447 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9448 (stmp-lipo): Depend on libgcc.a.
9450 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9452 * tree.c: Fix a comment typo.
9454 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9456 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9458 (umulhisi3_r): Likewise.
9460 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9463 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9464 x < 19, vs wchar_t support.
9466 2006-07-12 Nick Clifton <nickc@redhat.com>
9468 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9469 instead of -isa=sh4.
9471 2006-07-12 Mike Stump <mrs@apple.com>
9473 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9475 2006-07-10 Eric Christopher <echristo@apple.com>
9477 * config/t-slibgcc-darwin: Rewrite.
9479 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9482 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9485 2006-07-08 Matthias Klose <doko@debian.org>
9487 * doc/sourcebuild.texi: Fix typo.
9489 2006-07-07 Mike Stump <mrs@apple.com>
9491 * toplev.c (process_options): Don't give -ffunction-sections may
9492 affect debugging warning for Mach-O.
9494 2006-07-07 James E Wilson <wilson@specifix.com>
9496 * config/mips/mips.md (cpu): Add sb1a.
9497 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9498 addition to sb1. Adjust comments to clarify SB-1A differences from
9500 (ir_sb1a_load): New. Modify bypasses to use it.
9501 (ir_sb1a_simple_alu): Likewise.
9502 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9503 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9504 (mips_issue_rate): Add PROCESSOR_SB1A.
9505 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9506 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9507 (TARGET_SB1): Add PROCESSOR_SB1A check.
9508 (TUNE_SB1): Likewise.
9510 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9511 * config/mips/mips.c (mips_store_data_bypass_p): New.
9512 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9513 store_data_bypass_p.
9515 2006-07-08 Paul Brook <paul@codesourcery.com>
9518 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9520 2006-07-07 Richard Guenther <rguenther@suse.de>
9523 * tree.h (build_one_cst): Declare.
9524 * tree.c (build_one_cst): New function.
9525 * tree-ssa-math-opts.c (get_constant_one): Remove.
9526 (insert_reciprocals): Use build_one_cst.
9527 * fold-const.c (fold_plusminus_mult): Likewise.
9529 2006-07-07 Roger Sayle <roger@eyesopen.com>
9531 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9532 * cfgloopanal.c (dump_graph): Likewise.
9533 * dojump.c (discard_pending_stack_adjust): Likewise.
9534 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9536 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9537 * function.c (finalize_block_changes): Likewise.
9538 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9539 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9540 * rtl.c (dump_rtx_statistics): Likewise.
9541 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9543 * varray.c (dump_varray_statistics): Likewise.
9544 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9545 decode_decimal64, encode_decimal128, decode_decimal128,
9546 decimal_real_to_decimal): Likewise.
9548 2006-07-07 Richard Guenther <rguenther@suse.de>
9550 PR tree-optimization/28187
9551 * tree-vrp.c (vrp_operand_equal_p): New function.
9552 (vrp_bitmap_equal_p): Likewise.
9553 (update_value_range): Use them to compare old and new
9556 2006-07-06 Roger Sayle <roger@eyesopen.com>
9558 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9559 a default case to switch statement to silence compiler warnings.
9561 2006-07-06 Roger Sayle <roger@eyesopen.com>
9564 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9565 the configured assembler supports the x87's ffreep mnemonic.
9566 * configure: Regenerate.
9567 * config.in: Regenerate.
9569 * config/i386/i386.c (output_387_ffreep): New function.
9570 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9571 (output_387_reg_move): Likewise.
9573 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9575 Port to hosts whose 'sort' and 'tail' implementations
9576 treat operands with leading '+' as file names, as POSIX
9577 has required since 2001. However, make sure the code still
9578 works on pre-POSIX hosts.
9579 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9580 which says you should use "tail -c +N" rather than "tail +Nc".
9581 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9583 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9585 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9588 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9591 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9592 PRE_{INC,DEC} of TFmode.
9594 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9595 Alan Modra <amodra@bigpond.net.au>
9598 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9601 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9604 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9605 Remove duplicate gtu.
9607 2006-07-05 Jason Merrill <jason@redhat.com>
9611 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9612 * c-common.c (handle_packed_attribute): So don't copy it here.
9613 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9615 2006-07-05 Mike Stump <mrs@apple.com>
9617 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9619 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9622 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9624 2006-07-05 Richard Guenther <rguenther@suse.de>
9627 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9628 TARGET_SSE2 targets if using SSE math.
9629 (*absdf2_1): Likewise.
9631 2006-07-05 Richard Guenther <rguenther@suse.de>
9633 PR tree-optimization/28162
9634 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9635 make sure to convert the operands to the correct type.
9637 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9639 PR tree-optimization/28218
9641 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9642 to calculate and free the dominator information.
9644 2006-07-04 Peter O'Gorman <peter@pogma.com>
9646 * mklibgcc.in: chmod 644 before ranlib during install.
9648 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9649 J"orn Rennecke <joern.rennecke@st.com>
9651 * configure.ac (.eh_frame data check): Use diff -b.
9653 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9656 * Makefile.in (BUILD_RTL): Add build/vec.o.
9657 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9658 (build/genextract): Delete.
9659 (build/genautomata): Likewise.
9661 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9664 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9665 128-bit IBM long doubles for ABI_V4.
9667 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9669 * tree.c (range_in_array_bounds_p): New predicate.
9670 * tree.h (range_in_array_bounds_p): Declare it.
9671 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9672 return a less conservative answer.
9673 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9674 and flag 'is_group'.
9675 (IS_ELEMENT_FOR_GROUP): New macro.
9676 (FOR_EACH_ACTUAL_CHILD): Likewise.
9677 (next_child_for_group): New helper function.
9678 (can_completely_scalarize_p): Take into account groups.
9679 (sra_hash_tree): Handle RANGE_EXPR.
9680 (sra_elt_eq): Likewise.
9681 (lookup_element): Be prepared for handling groups.
9682 (is_valid_const_index): Delete.
9683 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9684 instead of is_valid_const_index.
9685 <ARRAY_RANGE_REF>: New case.
9686 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9687 is_valid_const_index.
9688 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9689 (scan_dump): Dump info for groups too.
9690 (decide_instantiation_1): Likewise.
9691 (decide_block_copy): Assert that the element is not a group.
9692 Propagate decision to groups.
9693 (generate_one_element_ref): Handle RANGE_EXPR.
9694 (mark_no_warning): Iterate over actual childs.
9695 (generate_copy_inout): Likewise.
9696 (generate_element_copy): Likewise.
9697 (generate_element_zero): Likewise.
9698 (generate_element_init_1): Likewise.
9699 (dump_sra_elt_name): Handle RANGE_EXPR.
9701 2006-07-03 Roger Sayle <roger@eyesopen.com>
9703 PR tree-optimization/26251
9704 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9705 (thread_block): When optimizing for size refuse to thread jumps
9706 that would require duplication of blocks other than redirection
9709 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9711 * configure.ac: Fix thinko in previous check-in.
9712 * configure: Regenerate.
9714 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9717 * configure.ac (for lang...): Simplify nesting of conditionals.
9718 Test subdir_requires for non-enabled languages. Move processing
9719 of lang_opt_files and lang_tree_fiels below that test.
9720 * configure: Regenerate.
9721 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9723 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9725 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9727 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9729 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9732 2006-06-29 Jason Merrill <jason@redhat.com>
9739 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9740 * c-common.c (c_determine_visibility): Handle it here.
9741 * c-decl.c (finish_decl): Call c_determine_visibility for
9743 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9745 * varasm.c (default_assemble_visibility): Likewise.
9746 * c-common.c (handle_visibility_attribute): Complain about trying
9747 to give visibility to an already defined class, or trying to change
9748 declared visibility. Always attach the attribute.
9753 * attribs.c (decl_attributes): Ignore type-in-place attributes
9754 once the type has been defined.
9756 2006-06-29 Roger Sayle <roger@eyesopen.com>
9759 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9760 to indicate the cpplib has issued an error message for us.
9762 2006-06-29 Asher Langton <langton2@llnl.gov>
9765 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9766 insert a label at the end of an function under Mach-O.
9768 2006-06-29 Eric Christopher <echristo@apple.com>
9769 Evan Cheng <evan.cheng@apple.com>
9771 * predicates.md (vector_all_ones_operand): New.
9772 (nonimmediate_or_sse_const_operand): Ditto.
9773 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9774 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9775 (standard_sse_mode_p): Ditto.
9776 (standard_sse_constant_p): Add case for -1 vector.
9777 (ix86_expand_vector_move): Try to use.
9778 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9779 Call standard_sse_constant_opcode.
9780 (*movv4sf_internal): Ditto.
9781 (*movv2df_internal): Ditto.
9783 2006-06-29 Roger Sayle <roger@eyesopen.com>
9785 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9786 of XEXP to extract the operands of a MATCH_CODE rtx.
9788 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9790 * tree.c (tree_size): Do not waste tail padding in
9791 struct tree_string and make the size be the same as
9792 build_string will generate.
9794 2006-06-28 Jason Merrill <jason@redhat.com>
9797 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9798 may_aliases already in the tag's annotations to the bitmap.
9800 2006-06-28 Roger Sayle <roger@eyesopen.com>
9802 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9804 2006-06-28 Roger Sayle <roger@eyesopen.com>
9806 * genpreds.c (generate_switch_p): New function.
9807 (add_mode_tests): Push the new mode test down inside an AND expr
9808 if this allows the switch-suitable MATCH_CODE to be near the root.
9809 (write_match_code_switch): New function to write a MATCH_CODE as
9811 (write_predicate_stmts): New function to write a predicate RTX
9812 expression as a sequence of statements.
9813 (write_one_predicate_function): Use write_predicate_stmts.
9814 (write_tm_constrs_h): Likewise.
9816 2006-06-26 Fred Fish <fnf@specifix.com>
9818 * config/mips/t-sb1: New file.
9819 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9822 2006-06-26 DJ Delorie <dj@redhat.com>
9824 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9826 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9827 Jayant Sonar <jayants@kpitcummins.com>
9828 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9830 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9831 (subsi3, subsi3_1, subsi3_2): New.
9832 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9833 * config/m32c/mov.md (SI mov peephole): New.
9834 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9835 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9837 2006-06-26 Olivier Hainque <hainque@adacore.com>
9839 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9840 a CALL_EXPR target function declaration.
9842 2006-06-26 Richard Guenther <rguenther@suse.de>
9844 * tree.c (build_string): Do not waste tail padding in
9847 2006-06-26 Richard Guenther <rguenther@suse.de>
9849 * ggc-page.c (init_ggc): Add missing element to size_lookup
9853 2006-06-23 Richard Guenther <rguenther@suse.de>
9855 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9856 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9857 alignment requests instead. Add verification code.
9858 Add struct tree_function_decl and struct tree_binfo size to
9859 extra_order_size_table. Add missing element to size_lookup
9862 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9865 * fold-const.c (const_binop): Be prepared for self returning zero.
9866 Simplify code handling complex values.
9868 2006-06-24 Olivier Hainque <hainque@adacore.com>
9870 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9871 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9874 2006-06-24 Olivier Hainque <hainque@adacore.com>
9876 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9877 ARRAY_REF, so have the callback called for the low bound expression.
9879 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9881 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9882 * c-typeck.c (c_common_type): Disallow operations on decimal float
9883 types and other float types.
9884 * convert.c (convert_to_real): Don't ignore conversions involving
9885 decimal float types.
9887 2006-06-23 Olivier Hainque <hainque@adacore.com>
9889 * tree.c (max_int_size_in_bytes): New function, inspired from
9890 code in function.c:assign_temp.
9891 * tree.h (max_int_size_in_bytes): Declare.
9892 * function.c (assign_temp): Use it.
9893 * gimplify.c (create_tmp_var): Relax the assertions on the type
9894 properties, not mandating constant size any more.
9895 (force_constant_size): New static function.
9896 (gimple_add_tmp_var): Use it, forcing variable size to a
9897 constant upper bound if it is not constant on entry.
9899 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9902 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9903 for initialization and setting of one_only flag to ...
9904 (i386_pe_encode_section_info): ...here.
9905 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9906 Recheck that the symbol has not been defined.
9908 2006-06-23 Richard Guenther <rguenther@suse.de>
9910 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9911 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9912 alignment requests instead. Add verification code.
9913 Add struct tree_function_decl and struct tree_binfo size to
9914 extra_order_size_table. Add missing element to size_lookup
9917 2006-06-22 Roger Sayle <roger@eyesopen.com>
9918 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9921 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9922 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9924 2006-06-23 Ben Elliston <bje@au.ibm.com>
9926 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9927 negate dn -- manipulate it directly.
9929 2006-06-22 Roger Sayle <roger@eyesopen.com>
9930 Steven Bosscher <stevenb.gcc@gmail.com>
9933 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9934 generated by gen_move_insn to add REG_LABEL notes if necessary.
9936 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9938 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9939 (leaf_entry): Remove use of MIN_ESA.
9941 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9943 PR rtl-optimization/28121
9944 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9947 2006-06-21 DJ Delorie <dj@redhat.com>
9949 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9951 (mulhisi3_r): Likewise.
9953 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9956 * coverage.c (coverage_counter_alloc): Leave the index type
9958 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9961 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9963 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9964 section from the "Options for Code Generation Conventions".
9966 2006-06-21 Richard Henderson <rth@redhat.com>
9970 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9972 (global_symbolic_operand): Allow weak symbols, even if local_p.
9974 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9976 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9977 (find_interesting_uses_address): Punt if above function returns true.
9979 2006-06-21 Richard Guenther <rguenther@suse.de>
9981 * configure: Regenerated.
9983 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9985 * config/mips/mips.c (function_arg): Where one part of a
9986 complex argument is in registers and the other part in the stack,
9987 return a REG not a PARALLEL.
9989 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9991 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9992 when cross-compiling. Do not substitute libstdcxx_incdir.
9993 * configure: Regenerated.
9995 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9997 * varasm.c (mergeable_string_section): Check for embedded NULs and
9998 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9999 rather than TREE_STRING_LENGTH bytes.
10001 2006-06-21 Richard Guenther <rguenther@suse.de>
10003 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10004 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10007 2006-06-21 Richrad Guenther <rguenther@suse.de>
10009 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10010 Limit iteration over the dominators.
10012 2006-06-20 Roger Sayle <roger@eyesopen.com>
10014 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10015 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10017 2006-06-20 Richard Guenther <rguenther@suse.de>
10018 Michael Matz <matz@suse.de>
10020 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10022 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10023 * et-forest.h (et_free_pools): Prototype new function.
10024 * et-forest.c (et_free_tree_force): Free parent occurrence.
10025 (et_free_pools): New function.
10026 * dominance.c (free_dominance_info): Free et-forest alloc
10029 2006-06-20 Roger Sayle <roger@eyesopen.com>
10031 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10032 integer modes, attempt to directly construct an integer constant.
10034 * fold-const.c (native_encode_vector): Determine the size of each
10035 element from the vector type instead of the first vector element.
10037 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10038 if all of its elements/components are constant.
10039 (build_constructor_from_list): Likewise.
10041 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10043 PR tree-optimization/27331
10044 * tree-data-ref.c (free_data_ref): New function.
10045 (create_data_ref): Fail if the data reference has unknown access
10047 (free_data_refs): Use free_data_ref.
10049 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10051 PR middle-end/28075
10052 * tree-inline.c (setup_one_parameter): Strip useless
10053 type conversion before adding it to the IR.
10054 (declare_return_variable): Likewise.
10056 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10059 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10061 2006-06-19 Mike Stump <mrs@apple.com>
10063 * tree.c (variably_modified_type_p): VM arguments don't make the
10066 2006-06-19 Richard Guenther <rguenther@suse.de>
10068 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10069 type conversions after folding.
10071 2006-06-19 Richard Guenther <rguenther@suse.de>
10073 * ggc-page.c (extra_order_size_tab): Add entries with
10074 size of struct function and basic_block.
10075 (size_lookup): Extend to cover sizes up to 511.
10076 (ggc_alloc_stat): Adjust user.
10077 (ggc_pch_count_object): Likewise.
10078 (ggc_pch_alloc_object): Likewise.
10079 (ggc_pch_write_object): Likewise.
10081 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10083 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10084 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10087 2006-06-19 Denis Chertykov <denisc@overta.ru>
10089 * config/avr/libgcc.S : Correct my wrong previous commit.
10091 2006-06-19 Roger Sayle <roger@eyesopen.com>
10094 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10095 have stripped a SUBREG from the shift count, so we may need to
10096 convert_to_mode back to the type's mode before calling make_tree.
10097 Use new_amount instead of amount to avoid expanding a tree twice.
10099 2006-06-19 Richard Guenther <rguenther@suse.de>
10101 PR middle-end/28045
10102 * fold-const.c (operand_equal_p): Check if the argument types
10103 have the same precision before stripping NOPs.
10105 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10107 Fix PR tree-optimization/27341
10108 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10110 * tree-complex.c (pass_lower_complex): Update SMT usage.
10112 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10114 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10115 Add a new alternative to the constraint strings. Add move of
10116 operand 1 to 3 to the splitter definition.
10117 ("doloop_si_long"): Second contraint alternative removed.
10119 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10121 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10122 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10124 (AVR_HAVE_MOVW) Define.
10125 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10126 (ASM_SPEC): Add avr25.
10127 (LINK_SPEC): Add avr25.
10128 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10129 (base_arch_s): Add new member 'have_movw_lpmx'.
10130 (avr_arch_types): Init 'have_movw_lpmx'.
10131 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10132 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10133 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10134 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10135 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10137 (avr_file_start): Do not output '.arh' derective.
10138 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10139 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10140 * config/avr/avr.md (mcu_enhanced): Delete.
10141 (mcu_have_movw): Define.
10142 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10143 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10144 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10145 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10146 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10147 attiny861 and at86rf401 devices.
10149 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10151 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10154 2006-06-17 Karl Berry <karl@gnu.org>
10156 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10157 doc/gccint.texi, doc/install.texi (@dircategory): Use
10158 "Software development" instead of "Programming", following
10159 the Free Software Directory.
10161 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10163 * config/i386/i386.c (legitimate_tls_address)
10164 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10165 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10166 (*tls_dynamic_gnu2_combine_64): Likewise.
10168 2006-06-16 Richard Guenther <rguenther@suse.de>
10170 PR middle-end/27116
10171 * fold-const.c (negate_expr_p): Do not introduce undefined
10172 overflow in negating INTEGER_CSTs.
10173 (fold_negate_expr): Rename from negate_expr. Revert last
10174 change for folding BIT_NOT_EXPR. Change semantics to
10175 return NULL_TREE for non-simplified negations. Do not
10176 strip type conversions and unify type handling.
10177 (negate_expr): New function, wrap around fold_negate_expr
10178 but ensure building a tree always. Strip type conversions
10179 here, fold to result type.
10180 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10182 2006-06-16 Roger Sayle <roger@eyesopen.com>
10184 PR middle-end/27802
10185 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10186 that (would) return their results in stack registers.
10188 2006-06-16 Michael Matz <matz@suse.de>
10189 Richard Guenther <rguenther@suse.de>
10191 * fold-const.c (fold_truthop): Only return new tree node if
10192 we canonicalized something.
10194 2006-06-16 Richard Guenther <rguenther@suse.de>
10196 * function.h (enum function_frequency): Move declaration
10197 out of struct function.
10198 (struct function): Move bool fields and the enum to the bitfield
10199 section. Reorder elements to avoid padding. Remove unused
10200 fields left over from the RTL inliner removal.
10201 * function.c (free_after_compilation): Do not zero removed fields.
10202 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10203 (ipa-type-escape.o): Likewise.
10205 2006-06-16 Richard Guenther <rguenther@suse.de>
10207 * cgraph.h (struct cgraph_local_info): Turn bool elements
10209 (struct cgraph_node): Likewise.
10210 (struct cgraph_varpool_node): Likewise.
10212 2006-06-15 Richard Guenther <rguenther@suse.de>
10214 * fold-const.c (fold_truth_not_expr): Rename from
10215 invert_truthvalue. Give it fold_* semantics to avoid
10216 generating garbage.
10217 (invert_truthvalue): New function. Wrapper around
10218 fold_truth_not_expr.
10219 (optimize_minmax_comparison): Avoid creating garbage.
10220 (fold_unary): Use fold_truth_not_expr for folding
10222 (fold_ternary): Replace uses of invert_truthvalue with
10223 fold_truth_not_expr where applicable.
10224 * tree.h (fold_truth_not_expr): Prototype.
10226 2006-06-16 Richard Guenther <rguenther@suse.de>
10228 PR tree-optimization/27781
10229 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10230 * ipa-pure-const.c (target.h): Include.
10231 (analyze_function): Do not analyze functions that do not
10234 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10236 PR middle-end/27793
10237 * tree-dfa.c (referenced_vars_dup_list): Remove.
10238 (find_referenced_vars): Remove assert.
10239 (referenced_var_check_and_insert): Replace dup list with assert.
10240 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10241 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10243 2006-06-15 Richard Guenther <rguenther@suse.de>
10245 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10246 extra unused identifiers if not dumping.
10247 (create_variable_info_for): Likewise.
10249 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10251 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10252 (derive_constant_upper_bound): Derive more precise upper bound in
10253 common cases. Return type changed to double_int.
10254 (record_estimate): Reflect the changed return type of
10255 derive_constant_upper_bound.
10256 * double-int.c (double_int_zext, double_int_sext): Fix.
10258 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10260 * configure.ac (CFLAGS): Get them from the toplevel or from the
10261 configure invocation.
10262 * configure: Regenerate.
10263 * Makefile.in (CFLAGS): Substitute value provided by configure.
10265 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10268 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10269 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10270 rather than calling add_stmt on it.
10271 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10273 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10275 PR middle-end/27959
10276 * reload1.c (reload): Remove registers returned by update_eliminables
10277 from used_spill_regs.
10279 2006-06-13 DJ Delorie <dj@redhat.com>
10281 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10283 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10285 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10286 html__strip_dir, html__mkdir_p. Enhance install-html target.
10287 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10288 * configure: Regenerate.
10290 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10292 * fold-const.c (fold_cond_expr_with_comparison): Check for
10293 Objective-C++ as language in deciding COND_EXPR transformation.
10295 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10298 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10299 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10300 * config/sh/lib1funcs.h (SL, SL1): Define.
10301 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10302 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10303 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10304 (OBJS_Os_4_200): New variable.
10305 ($(T)libgcc-Os-4-200.a): Use it.
10306 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10307 when dividing 1 and/or by 0.
10309 2006-06-13 Roger Sayle <roger@eyesopen.com>
10311 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10312 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10313 * configure: Regenerate.
10315 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10317 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10318 for real instruction.
10320 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10322 PR middle-end/26807
10323 * haifa-sched.c (check_cfg): Handle special case.
10325 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10328 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10329 Add debug_info parameter. Chain the vars to the BLOCK instead
10330 of the BIND_EXPR if debug info are requested for them.
10331 (pop_gimplify_context): Adjust for above change.
10332 (gimple_add_tmp_var): Likewise.
10333 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10334 Add bool parameter.
10335 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10336 (convert_local_reference): Likewise.
10337 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10338 (finalize_nesting_tree_1): Request that debug info be emitted
10339 for debug_var_chain.
10341 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10343 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10344 for PR target/27863.
10346 2006-06-13 Richard Guenther <rguenther@suse.de>
10348 PR middle-end/27536
10349 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10351 2006-06-13 Richard Guenther <rguenther@suse.de>
10353 PR tree-optimization/27830
10354 * tree-inline.c (copy_body_r): For copying the operand
10355 of an ADDR_EXPR make sure to fold &* afterwards.
10357 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10359 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10360 lvalues in the fb_none case with side-effects.
10362 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10364 * tree-flow.h: Remove the prototype for
10365 compute_phi_arg_on_exit.
10366 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10367 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10370 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10372 * builtins.c (expand_builtin_return_addr): Only use
10373 frame_pointer_rtx when count == 0 and we are expanding
10374 __builtin_return_address.
10376 2006-06-12 Fred Fish <fnf@specifix.com>
10378 * config/mips/mips.c (mips_file_start): Create special section
10379 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10381 2006-06-11 Eric Christopher <echristo@apple.com>
10383 PR middle-end/27948
10384 * stor-layout.c (place_field): Remove check for
10385 remaining_in_alignment when aligning at the end of a run.
10387 2006-06-11 Eric Christopher <echristo@apple.com>
10390 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10393 2006-06-11 Roger Sayle <roger@eyesopen.com>
10396 Revert incorrect fix for PR target/27158
10397 2006-05-08 Roger Sayle <roger@eyesopen.com>
10398 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10399 of a reg_equiv_constant if the result is a legitimate constant.
10401 2006-06-11 Roger Sayle <roger@eyesopen.com>
10404 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10405 extract a CONST_VECTOR element and interpret it as an integer.
10406 (vspltis_constant): Use const_vector_elt_as_int instead of the
10407 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10408 * config/rs6000/predicates.md (easy_vector_const): Consider
10409 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10411 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10413 PR middle-end/27942
10414 * stor-layout.c (update_alignment_for_field): Don't add extra
10415 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10418 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10420 * config/mips/t-rtems: Add EL/EB multilib variants.
10422 2006-06-09 Mike Stump <mrs@apple.com>
10424 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10426 2006-06-09 David Daney <ddaney@avtrex.com>
10428 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10430 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10432 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10434 2006-06-09 Richard Guenther <rguenther@suse.de>
10436 PR tree-optimization/26998
10437 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10438 of signed types, only TYPE_MIN_VALUE is special, but for both,
10439 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10440 in this case, as is -fwrapv.
10442 2006-06-08 Mike Stump <mrs@apple.com>
10445 * config/darwin.c (darwin_asm_output_anchor): Disable
10446 -fsection-anchors on darwin for now.
10447 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10448 * rs6000/rs6000.c (optimization_options): Likewise.
10450 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10453 * config/i386/i386.c (classify_argument): Skip fields with invalid
10456 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10458 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10459 (cse_insn): Likewise for the stack_pointer_rtx.
10461 2006-06-08 Roger Sayle <roger@eyesopen.com>
10463 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10464 conditions from floating point comparisons.
10466 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10468 PR middle-end/27733
10469 * expmed.c (struct alg_hash_entry): Fix type of field T
10470 to match synth_mult argument.
10471 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10473 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10476 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10479 2006-06-08 Richard Guenther <rguenther@suse.de>
10481 PR middle-end/27116
10482 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10483 only, if overflow is defined and not trapping.
10484 (negate_expr): Likewise.
10486 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10488 PR tree-optimization/27872
10489 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10490 flag on the new exit edge of the unrolled loop.
10492 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10494 PR rtl-optimization/26449
10495 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10497 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10499 PR middle-end/27793
10500 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10501 referenced_variables with matching DECL_UID's.
10502 (find_referenced_vars): Make sure duplicate list is empty to start.
10503 (referenced_var_p): Remove.
10504 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10505 Check if var is in the list, and add if needed. Update the duplicate
10506 list if a different var is in the list with the same DECL_UID.
10507 (add_referenced_var): Call routine to check and insert.
10508 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10509 * tree-flow.h (referenced_vars_dup_list): External declaration.
10511 2006-06-07 Fred Fish <fnf@specifix.com>
10513 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10516 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10519 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10520 the imaginary and real parts of a clobbered register.
10521 Emit insn to set the imaginary part.
10523 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10525 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10526 in lieu of unwind-dw2-fde.c.
10528 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10530 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10532 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10535 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10536 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10537 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10538 V4SImode temporaries and operations instead.
10540 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10542 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10545 2006-06-06 Mike Stump <mrs@apple.com>
10547 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10548 installing during build.
10550 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10552 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10554 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10555 * config/ia64/ia64.c (params.h): New header.
10556 (ia64_optimization_options): New function to adjust parameters.
10557 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10558 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10559 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10561 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10563 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10565 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10568 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10570 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10571 Victor Kaplansky <victork@il.ibm.com>
10573 PR tree-optimization/26360
10574 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10577 2006-06-04 Roger Sayle <roger@eyesopen.com>
10578 Andrew Pinski <pinskia@physics.uc.edu>
10580 PR middle-end/27382
10581 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10582 for LABEL_DECL before calling DECL_WEAK.
10585 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10586 LABEL_DECL and PARM_DECL.
10588 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10592 * c-decl.c (grokdeclarator): Disallow variably modified types at
10593 file scope. Avoid marking shared array type of constant size as
10596 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10599 * c-common.c (fold_offsetof_1): Handle static members.
10601 2006-06-04 Eric Christopher <echristo@apple.com>
10603 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10604 (debug_rli): Output value for remaining_in_alignment.
10605 (update_alignment_for_field): Unconditionalize
10606 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10607 extra alignment code.
10608 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10609 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10610 * tree.h (record_layout_info_s): Remove prev_packed.
10611 * doc/extend.texi (ms_struct): Add documentation of format.
10613 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10615 * tree.h: Declare folding_initializer.
10616 * builtins.c (fold_builtin_constant_p): Give definite answer
10617 if folding inside an initializer.
10618 * fold-const.c: Define folding_initializer.
10619 (START_FOLD_INIT): Save and then set folding_initializer.
10620 (END_FOLD_INIT): Restore folding_initializer.
10622 2006-06-04 Richard Guenther <rguenther@suse.de>
10624 PR tree-optimization/27039
10625 * fold-const.c (fold_comparison): Handle pointer comparison
10626 again for all comparison codes. Compare offsets in signed
10628 (fold_binary): Move code from here.
10630 2006-06-03 Roger Sayle <roger@eyesopen.com>
10633 * config/i386/i386.c (construct_container): Split static issued_error
10634 flag into issued_sse_arg_error, issued_sse_ret_error and
10635 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10636 requires the use of x87 registers and the user explicitly
10637 specified the -mno-80387 command line option.
10639 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10641 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10642 HAVE_DECL_SIGALTSTACK.
10644 (segv_handler): Use MC_FLD.
10645 * configure.ac: Check for a sigaltstack declaration.
10646 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10647 * configure: Regenerate.
10648 * config.in: Regenerate.
10650 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10653 * Makefile.in (stmp-fixinc): Fix typo.
10655 2006-06-02 Roger Sayle <roger@eyesopen.com>
10657 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10658 are type correct. Clean-up.
10659 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10660 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10662 2006-06-01 DJ Delorie <dj@redhat.com>
10664 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10665 shift, as we've disabled the "switch" insn that needs it.
10667 2006-06-01 Per Bothner <bothner@bothner.com>
10669 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10670 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10671 * c-ppoutput.c (cb_define): Don't increment line 0.
10673 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10675 * doc/invoke.texi: Add cpu_type power6.
10676 * config.gcc: Add cpu_type power6.
10677 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10678 to power5+ with Altivec.
10679 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10680 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10682 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10684 * config/avr/avr.h (SET_ASM_OP): Define.
10686 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10688 * config/bfin/bfin.c: Fix comment typos.
10690 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10693 * doc/install.texi: Document --enable-bootstrap and
10694 --disable-bootstrap.
10696 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10698 * doc/install.texi: Document that InfoZIP can replace jar.
10700 2006-05-31 Roger Sayle <roger@eyesopen.com>
10702 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10703 isn't available, directly generate the simpler x87 patterns without
10704 the (use (const_int 0)).
10705 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10706 implementation isn't available.
10707 (*negdf2_1): Likewise.
10708 (*negxf2_1): XF mode negation is always done using the x87.
10709 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10711 2006-05-31 Roger Sayle <roger@eyesopen.com>
10713 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10714 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10716 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10718 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10720 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10721 * config/bfin/bfin.c (basic-block.h): Include.
10722 (struct machine_function): New.
10723 (bfin_init_machine_status): New.
10724 (override_options): Initialize init_machine_status.
10725 (bfin_hardware_loop): New.
10726 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10727 (DEF_VEC_P (loop_info)): New.
10728 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10729 (struct loop_info): New.
10730 (loop_info): New typedef.
10731 (struct loop_work): New.
10732 (loop_work): New typedef.
10733 (DEF_VEC_O (loop_work)): New.
10734 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10735 (bfin_dump_loops): New.
10736 (bfin_bb_in_loop): New.
10737 (bfin_scan_loop): New.
10738 (bfin_optimize_loop): New.
10739 (bfin_reorg_loops): New.
10740 (bfin_reorg): Use bfin_reorg_loops.
10741 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10743 (I_REGNO_P): Simplify.
10744 (DP_REGNO_P, DPREG_P): New macros.
10745 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10746 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10747 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10748 Add LT_REGS, LC_REGS, LB_REGS.
10749 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10751 (REGNO_REG_CLASS): Deal with loop registers.
10752 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10754 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10755 New constants for loop registers.
10756 (UNSPEC_LSETUP_END): New.
10757 (seq_insns): New define_attr. Set it for appropriate insns.
10758 (movsi_insn): Add alternatives for move from/to
10759 loop count registers.
10760 (doloop_end): New define_expand.
10761 (loop_end): New define_insn.
10762 (define_split for bad doloop_end): New.
10763 (lsetup_with_autoinit): New define_insn.
10764 (lsetup_without_autoinit): New define_insn.
10765 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10766 * config/bfin/predicates.md (lc_register_operand): New.
10767 (lt_register_operand): New.
10768 (lb_register_operand): New.
10769 (nondp_register_operand): New.
10770 (nondp_reg_or_memory_operand): New.
10771 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10773 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10775 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10776 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10778 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10780 * Makefile.in (CATALOGS): Add po/ prefix.
10781 * configure: Regenerated.
10783 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10786 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10787 a shift operand before calling shift_op. Avoid redundant call of
10790 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10791 DJ Delorie <dj@redhat.com>
10793 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10794 we're inserting is a singlt-bit constant.
10796 2006-05-30 Roger Sayle <roger@eyesopen.com>
10798 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10799 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10801 2006-05-30 Roger Sayle <roger@eyesopen.com>
10803 PR tree-optimization/23452
10804 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10805 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10806 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10807 complex values and with -ffast-math for FP complex values.
10809 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10811 * c-common.h: Remove the prototype for yyparse.
10812 * rtl.h: Remove the prototype for init_loop.
10814 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10816 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10819 2006-05-30 Roger Sayle <roger@eyesopen.com>
10821 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10823 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10824 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10826 2006-05-30 Dirk Mueller <dmueller@suse.de>
10829 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10830 for CONSTANT_CLASS_P expresisons.
10832 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10835 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10837 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10839 PR tree-optimization/27779
10840 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10841 initial_condition instead of CHREC_LEFT.
10843 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10845 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10846 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10847 Make prototypes ISO C90.
10849 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10850 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10852 * see.c (see_analyze_one_def): Correct check.
10853 (see_get_extension_data): Check if extension is parallel.
10854 (see_get_extension_reg): Likewise.
10856 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10859 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10860 into register for (code == GTU).
10862 2006-05-29 Roger Sayle <roger@eyesopen.com>
10864 PR tree-optimization/24964
10865 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10866 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10867 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10868 abs(x)*abs(x) as x*x for scalar floating point modes.
10870 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10872 PR middle-end/27745
10873 * lambda-code.c (perfect_nestify): Don't copy statements
10874 in the inner loop: move them to the inner loop header.
10876 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10879 * c-tree.texi: Document OpenMP directives and clauses.
10881 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10883 * varasm.c (globalize_decl): Fix indentation.
10885 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10888 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10889 pass_fre, pass_store_ccp, pass_copy_prop,
10890 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10891 pass_return_slot, pass_object_size, pass_lim,
10892 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10893 pass_loop_prefetch and pass_stdarg.
10895 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10897 * config/bfin/bfin.opt (mfdpic): New option.
10898 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10899 (EXTRA_MULTILIB_PARTS): Likewise.
10900 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10901 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10903 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10904 (CRT_CALL_STATIC_FUNCTION): New.
10905 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10907 (CRT_CALL_STATIC_FUNCTION): New.
10908 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10910 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10911 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10912 (initialize_trampoline): Changed to handle FD-PIC code generation.
10913 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10914 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10915 (override_options): Disallow -mid-shared-library -mfdpic combination.
10916 Can't do unaligned ops if FD-PIC.
10917 Turn off flag_pic if trying to generate non-id-shared-library
10918 non-fdpic code, since it's not supported.
10919 (bfin_assemble_integer): New function.
10920 (TARGET_ASM_INTEGER): Define.
10921 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10923 * config/bfin/crtn.s: Restore them.
10924 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10926 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10927 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10928 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10929 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10930 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10932 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10933 FDPIC_REGS and FDPIC_FPTR_REGS.
10934 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10935 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10936 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10937 (load_funcdescsi): New pattern.
10938 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10939 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10940 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10942 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10944 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10947 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10949 * tree-flow.h: Remove the prototype for add_type_alias.
10950 * tree-ssa-alias.c (add_type_alias): Remove.
10952 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10954 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10955 config/fr30/fr30.md, config/i386/i386-interix.h,
10956 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10957 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10958 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10959 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10960 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10961 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10962 Follow spelling conventions.
10963 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10964 Follow spelling conventions.
10966 2006-05-27 Richard Guenther <rguenther@suse.de>
10968 PR middle-end/27773
10969 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10970 to produce a constant of value 1 of generic type.
10972 2006-05-27 Dirk Mueller <dmueller@suse.de>
10974 * cgraphunit.c (decide_is_function_needed): Fix wrong
10977 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10979 PR rtl-optimization/27661
10980 * reload.c (find_reloads): When reloading a VOIDmode constant
10981 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10982 use Pmode as mode of the reload register.
10984 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10986 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10987 is enabled at -O and above.
10989 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10992 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10995 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10998 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10999 for anonymous variables explicitly declared by front ends.
11001 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11003 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11004 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11005 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11006 ref-all pointers, run a finalization pass for them.
11007 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11008 (finalize_ref_all_pointers): New function.
11009 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11010 regular pointer type to a ref-all pointer type.
11011 (get_tmt_for): Return the special memory tag for ref-all pointers.
11013 2006-05-25 Richard Guenther <rguenther@suse.de>
11015 PR middle-end/27743
11016 * fold-const.c (fold_binary): Do not look at the stripped
11017 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11019 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11021 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11022 for LT and GT if the computed range is effectively empty.
11024 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11027 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11028 mips_quad_format formats instead of ieee_single_format,
11029 ieee_double_format and ieee_quad_format formats, respectively.
11031 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11033 PR tree-optimization/27639
11034 PR tree-optimization/26719
11035 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11036 call to scev_probably_wraps_p.
11037 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11038 used_in_pointer_arithmetic_p, convert_step): Removed.
11039 (nowrap_type_p): New function.
11040 (scev_probably_wraps_p): Rewritten.
11041 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11042 chrec_convert if chrec_convert_aggressive might have been used.
11043 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11044 scev_direction): New functions.
11045 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11046 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11047 instead of convert_step.
11048 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11049 (convert_step): Declaration removed.
11050 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11052 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11054 * df-core.c: Added to header comments.
11055 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11056 df_ur_bb_info, df_urec_bb_info): Added comments.
11057 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11058 urec, ri problems): Fixed header comments.
11059 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11060 code from df_rd_transfer_function.
11062 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11064 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11065 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11066 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11068 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11070 * expr.c (undefined_operand_subword_p): New.
11071 (emit_move_multi_word): Do not generate move from undefined bits
11072 of a paradoxical subreg.
11074 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11076 PR rtl-optimization/27736
11077 * combine.c (replaced_rhs_value): New variable.
11078 (combine_instructions): Set it.
11079 (distribute_notes): When distributing a note in replaced_rhs_insn,
11080 check whether the value was used in replaced_rhs_value.
11082 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11085 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11086 add_referenced_var instead of add_referenced_tmp_var.
11087 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11088 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11089 add_referenced_var.
11090 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11091 tree_optimize_tail_calls_1): Use add_referenced_var.
11092 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11093 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11094 Use add_referenced_var.
11095 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11096 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11097 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11098 Use add_referenced_var.
11099 * tree-dfa.c (struct walk_state): Remove.
11100 (find_referenced_vars): Remove walk state and vars_found hash table.
11101 (make_rename_temp): Use add_referenced_var.
11102 (find_vars_r): Pass less parameters to add_referenced_var.
11103 (referenced_var_p): New. Is var in referenced_var hash table.
11104 (referenced_var_insert): Assert var isn't already in hash table.
11105 (add_referenced_var): Don't need walk_state parameter. Add var if it
11106 isn't already in the hash table.
11107 (add_referenced_tmp_var): Remove.
11108 (find_new_referenced_vars_1): Use add_referenced_var.
11109 * tree-ssa-pre.c (create_expression_by_pieces,
11110 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11111 Use add_referenced_var.
11112 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11113 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11114 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11115 add_referenced_var.
11116 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11117 vect_create_data_ref_ptr, vect_create_destination_var,
11118 vect_init_vector, vect_build_loop_niters,
11119 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11120 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11121 Use add_referenced_var.
11122 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11123 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11124 (add_referenced_var): Add prototype.
11125 * tree-ssa-structalias.c (get_constraint_for,
11126 intra_create_variable_infos): Use add_referenced_var.
11128 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11130 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11131 big-endian paradoxical subregs.
11132 * var-tracking.c (struct micro_operation_def): Document that,
11133 for modify micro operations, insn is the subsequent instruction.
11134 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11135 (var_reg_set, var_mem_set): ... new functions.
11136 (add_stores): Record subsequent insn.
11137 (compute_bb_dataflow): Use new functions for MO_USE.
11138 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11139 notes after the insn, and modify notes before the insn known
11140 to be the subsequent one.
11141 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11143 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11146 * config/i386/i386.c (ix86_expand_builtin): Use
11147 gen_sse3_monitor64 for TARGET_64BIT.
11149 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11151 PR rtl-optimization/26375
11152 PR rtl-optimization/26855
11153 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11155 (df_ru_bb_local_compute): Reversed statements and removed bogus
11156 comment explaining why they should be in wrong order.
11157 (df_ru_dump, df_rd_dump): Enhanced debug info.
11158 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11160 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11161 reaching uses and fixed space problem.
11163 2006-05-23 Jan Hubicka <jh@suse.cz>
11165 * cgraphunit.c (decide_is_function_needed): Also nested functions
11166 and functions declared inline can be optimized out at -O0.
11168 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11170 * doc/install.texi (Configuration): Remove reference to CrossGCC
11171 FAQ which was gone.
11174 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11177 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11178 ix86_compare_emitted is non-NULL.
11180 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11183 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11186 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11188 PR rtl-optimization/25514
11189 * combine.c (replaced_rhs_insn): New variable.
11190 (combine_instructions): Set replaced_rhs_insn when trying to replace
11191 a SET_SRC with a REG_EQUAL note.
11192 (distribute_notes): Use replaced_rhs_insn when determining the live
11193 range of a REG_DEAD register.
11195 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11196 Anatoly Sokolov <aesok@post.ru>
11198 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11199 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11200 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11201 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11202 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11203 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11204 at90usb647, at90usb1286 and at90usb1287 devices.
11205 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11206 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11208 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11210 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11212 2006-05-22 Richard Guenther <rguenther@suse.de>
11215 2006-01-31 Richard Guenther <rguenther@suse.de>
11216 Paolo Bonzini <bonzini@gnu.org>
11218 * doc/install.texi (--disable-libgcc-math): Document.
11220 2006-05-22 Richard Guenther <rguenther@suse.de>
11223 2006-01-31 Richard Guenther <rguenther@suse.de>
11225 * doc/invoke.texi (-msselibm): Document.
11226 * target.h (expand_library_builtin): New target hook.
11227 * builtins.c (expand_builtin): Use expand_library_builtin.
11228 (default_expand_library_builtin): New function.
11229 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11230 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11231 (link_gcc_math_spec): Declare.
11232 (static_specs): Add link_gcc_math_spec.
11233 * expr.h (default_expand_library_builtin): Declare.
11234 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11235 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11236 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11237 * config/i386/i386.opt (msselibm): New target option.
11238 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11239 (ix86_init_sse_abi_builtins): New function.
11240 (ix86_expand_library_builtin): Likewise.
11241 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11242 (override_options): Handle error conditions wrt -msselibm.
11243 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11244 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11245 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11248 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11251 * c-common.c (self_promoting_args_p): Skip erroneous args.
11254 * c-decl.c (finish_struct): Skip erroneous fields.
11256 2006-05-22 Nick Clifton <nickc@redhat.com>
11258 * config/cris/cris.opt (march): Remove VarExists attribute.
11259 (max-stackframe=): Likewise.
11261 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11263 * doc/rtl.texi: Fix a typo.
11264 * see.c: Fix comment typos.
11266 * tree-ssa-structalias.h (alias_info): Remove num_references.
11268 2006-05-21 Mike Stump <mrs@apple.com>
11270 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11272 (darwin_pragma_options): Use BAD instead.
11273 (darwin_pragma_unused): Likewise.
11274 (darwin_pragma_ms_struct): Likewise.
11276 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11278 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11280 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11282 PR rtl-optimization/27671
11283 * simplify-rtx.c (simplify_relational_operation_1): Fix
11284 simplifications of (eq/ne (xor x y) y) and
11285 (eq/ne (xor x y) x).
11287 PR tree-optimization/26622.
11288 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11291 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11293 * tree-cfg.c: Prune whitespace.
11294 (debug_tree_cfg): Point to correct header containing the
11297 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11299 PR middle-end/25776
11300 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11302 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11304 PR middle-end/25776
11305 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11306 or sorry count is non zero.
11308 2006-05-20 Andreas Schwab <schwab@suse.de>
11310 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11312 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11313 Kenneth Zadeck <zadeck@naturalbridge.com>
11315 PR rtl-optimization/26855
11317 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11319 (df_scan_alloc): Added code to properly handle multiword hard
11320 registers and add all_blocks parameter.
11321 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11322 code to properly handle multiword hard registers.
11323 (df_rescan_blocks): Added code to remove deleted blocks from
11325 (df_ref_create_structure, df_ref_record): Added code to properly
11327 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11328 and set DF_REF_PARTIAL.
11329 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11330 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11331 (df_scan_add_problem): Added flags parameter.
11332 (df_ref_create_structure): Changed switching structure.
11333 (df_bb_refs_record): Fixed case where duplicate artificial refs
11334 were created. Changed location of flags.
11335 (df_record_entry_block_defs): Added code to make stack pointer
11336 live in entry block. Refined cases where frame pointer is needed.
11337 Changed location of flags.
11338 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11339 (df_set_state): Removed function.
11340 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11341 df_insn_create_insn_record, df_insn_refs_delete,
11342 df_ref_create_structure): Formatting changes.
11343 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11344 df_delete_basic_block): New function.
11345 (df_init): Changed location of flags.
11346 (df_add_problem): Added flags parameter and the way flags are
11348 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11349 debug_df_chain): Improved debugging output.
11350 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11351 (df_refs_chain_dump): Removed df parameter.
11352 (df_iterative_dataflow): Added consistency check.
11353 (df_prune_to_subcfg): Made public.
11354 (df_analyze_problem): Added blocks_to_init parameter and made
11356 (df_ref_record, df_bb_refs_record, df_mark_reg,
11357 df_record_exit_block_uses): Whitespace changes.
11358 (df_dump): Whitespace changes.
11359 * df.h: Some reordering to remove forward references.
11360 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11361 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11362 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11363 (dataflow.flags): New field.
11364 (df.flag): Deleted field.
11365 (df_alloc_function): Added additional bitmap parameter.
11366 (df_dependent_problem_function): New type.
11367 (df_problem.changeable_flags): New field.
11368 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11369 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11370 (df_mw_hardreg): New struct.
11371 (DF_INSN_UID_MWS): New macro.
11372 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11374 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11375 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11376 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11377 (df_set_state): Removed function.
11378 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11379 * df-problems.c (df_chain_dump): Removed df parameter.
11380 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11381 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11383 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11384 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11385 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11386 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11387 DF_REF_MUST_CLOBBER cases.
11388 (df_ru_bb_local_compute_process_def,
11389 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11390 df_lr_bb_local_compute, df_ur_bb_local_compute,
11391 df_chain_create_bb): Made subreg aware.
11392 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11393 df_lr_bb_local_compute, df_lr_bb_local_compute,
11394 df_chain_create_bb): Cleanup to use proper macros.
11395 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11396 code to fixup bitvectors.
11397 (df_ri_alloc): Cleared lifetime.
11398 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11399 df_create_unused_note): New function.
11400 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11401 REG_DEAD and REG_UNUSED notes as well as register information.
11402 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11403 df_chains_dump): Fixed crash if problem was never run.
11404 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11405 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11406 df_ri_add_problem): Processes flags in uniform manner.
11407 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11408 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11409 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11410 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11411 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11412 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11413 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11414 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11415 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11416 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11417 * see.c (see_initialize_data): Ditto.
11418 * final.c (rest_of_clean_state) Added regstack_completed.
11419 * rtl.h (regstack_completed): Ditto.
11420 * reg-stack.c (regstack_completed): Ditto.
11422 2006-05-19 Mike Stump <mrs@apple.com>
11424 * c-tree.h (default_conversion): Remove.
11425 * c-common.h (default_conversion): Add.
11427 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11429 * tree-vrp.c (valid_value_p): New function.
11430 (adjust_range_with_scev): Fail if the value of bound is not
11433 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11435 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11436 (mips_fallback_frame_state): Use syscall numbers to determine
11437 the appropriate li instruction for the current ABI. Only use
11438 __NR_sigreturn for o32.
11440 2006-05-19 Nicolas Setton <setton@adacore.com>
11442 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11443 * langhooks.c (lhd_dwarf_name): New function.
11444 * langhooks-def.h (lhd_dwarf_name): Declare.
11445 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11446 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11448 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11450 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11452 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11453 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11454 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11455 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11456 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11457 determine the size of Wtype, etc.
11458 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11459 (swfloatfuncs): New variable.
11460 (dwfloatfuncs): Likewise.
11461 (lib2funcs): Remove floating-point conversion functions from
11462 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11463 the set of conversion routines needed. Allow entries to specify
11464 an object name, filename and word size. Update users accordingly.
11465 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11466 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11470 2006-02-08 Roger Sayle <roger@eyesopen.com>
11473 * config/fixtfdi.c: New libgcc source file.
11474 * config/fixunstfdi.c: New source file.
11475 * config/floatditf.c: New source file.
11476 * config/floatunditf.c: New souce file.
11477 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11478 files above instead of config/mips/_tilib.c.
11479 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11481 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11483 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11484 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11486 2006-05-18 Mike Stump <mrs@apple.com>
11488 Fix up vla, vm and [*] sematics.
11494 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11495 (c_vla_unspec_p): Add.
11496 (c_vla_type_p): Add.
11497 * c-decl.c (struct c_scope): Add had_vla_unspec.
11498 (build_array_declarator): Add support for [*].
11499 (grokdeclarator): Likewise.
11500 (grokparms): Likewise.
11501 (get_parm_info): Likewise.
11502 * c-objc-common.c (c_vla_unspec_p): Likewise.
11503 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11504 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11505 typeof when argument is a variably modified type not inside sizeof or alignof.
11506 (c_parser_direct_declarator_inner): Propagate errors.
11507 (c_parser_sizeof_expression): Add support for [*].
11508 (c_parser_parms_declarator): Initialize had_vla_unspec.
11509 (c_parser_parms_list_declarator): Likewise.
11510 * c-typeck.c (c_vla_type_p): Add.
11511 (composite_type): Add support for vla compositing.
11512 (comptypes_internal): Add support for vla compatibility.
11513 (c_expr_sizeof_expr): Evaluate vla arguments.
11514 * tree.c (variably_modified_type_p): Update comment for [*].
11516 2006-05-18 Michael Matz <matz@suse.de>
11519 * config.host: Make assignments to host_xmake_file cumulative.
11520 * config.host (*-darwin*): Test $host, not $target.
11522 2006-05-12 Stuart Hastings <stuart@apple.com>
11524 * config/i386/i386.opt (-mstackrealign): New flag.
11525 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11526 (ix86_handle_cconv_attribute): Emit error when
11527 force_align_arg_pointer attribute collides with too many regparms.
11528 (ix86_function_regparm): Limit regparms when used with
11529 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11530 Support stack-realigning prologue in non-main functions. Emit
11531 warning for nested functions under -mstackrealign, emit error for
11532 nested functions with force_align_arg_pointer attribute.
11533 * doc/extend.texi (force_align_arg_pointer): Document it.
11534 * doc/invoke.texi (-mstackrealign): Document it.
11536 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11538 PR rtl-optimization/27477
11539 * combine.c (try_combine): Don't split a parallel consisting
11540 of two sets into two individual sets if both sets reference
11543 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11545 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11546 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11548 * doc/options.texi (VarExists): Updated.
11550 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11552 * unwind-dw2.c: Add declarations for uw_update_context and
11553 uw_frame_state_for.
11554 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11555 detected, advance frame state and context once to skip over stub.
11557 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11559 PR middle-end/20256
11560 PR middle-end/26435
11561 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11562 Call rewrite_into_loop_closed_ssa only when something changed.
11563 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11564 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11565 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11566 Test for perfect_nest_p here. Fix formating.
11567 (replace_uses_equiv_to_x_with_y): Fix formating.
11568 (stmt_uses_op): Removed.
11569 (can_convert_to_perfect_nest): Removed loopivs parameter.
11570 Complete the test by checking the scalar dependences.
11571 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11574 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11577 From Dan Kegel <dank@kegel.com>:
11578 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11580 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11582 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11583 if the element type is variably modified without recursing.
11585 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11587 PR middle-end/27332
11588 * tree-loop-linear.c (try_interchange_loops): Test for
11589 no data dependences.
11591 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11593 PR tree-optimization/27548
11594 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11595 range of ssa names that appear on abnormal edges.
11596 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11597 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11599 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11601 PR middle-end/27620
11602 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11604 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11606 PR middle-end/27415
11607 * tree.h (OMP_PARALLEL_COMBINED): Define.
11608 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11609 (new_omp_context): Add is_combined_parallel argument.
11610 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11611 new_omp_context caller.
11612 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11613 Adjust gimplify_scan_omp_clauses callers.
11614 (omp_is_private): Issue errors if iteration variable is firstprivate
11615 or reduction in the current context.
11616 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11617 on combined parallel workshare constructs.
11619 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11621 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11622 (gcc-options.o): New rule.
11624 * optc-gen.awk: Protect variables for gcc-options.o with
11625 #ifdef GCC_DRIVER/#endif.
11627 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11629 Fix PR tree-optimization/27373
11630 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11631 (forward_propagate_addr_expr): Update call.
11633 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11635 * doc/options.texi: Move the Negative option.
11637 2006-05-16 Richard Guenther <rguenther@suse.de>
11639 PR tree-optimization/22303
11640 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11642 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11643 ccp_fold did not simplify the statement.
11645 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11648 * Makefile.in (GCC_OBJS): New.
11649 (OBJS-common): Add opts-common.o.
11650 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11651 (cpp$(exeext)): Likewise.
11652 (gcc.o): Also depend on opts.h.
11653 (opts-common.o): New.
11655 * common.opt (gcoff): Add Negative(gdwarf-2).
11656 (gdwarf-2): Add Negative(gstabs).
11657 (gstabs): Add Negative(gstabs+).
11658 (gstabs+): Add Negative(gvms).
11659 (gvms): Add Negative(gxcoff).
11660 (gxcoff): Add Negative(gxcoff+).
11661 (gxcoff+): Add Negative(gcoff).
11662 * config/i386/i386.opt (m32): Add Negative(m64).
11663 (m64): Add Negative(m32).
11665 * doc/options.texi: Document the Negative option.
11667 * gcc.c: Include "opts.h".
11668 (main): Call prune_options after expandargv.
11670 * optc-gen.awk: Generate common declarations for all flag
11671 variables in options.c. Output the neg_index field.
11673 * opts.c (find_opt): Moved to ...
11674 * opts-common.c: Here. New file.
11676 * opts.h (cl_option): Add a neg_index field.
11678 (prune_options): Likewise.
11680 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11682 PR middle-end/27573
11683 * omp-low.c (expand_omp_parallel): Don't assert
11684 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11685 instead search for it.
11688 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11691 2006-05-16 Andreas Schwab <schwab@suse.de>
11693 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11696 2006-05-15 Roger Sayle <roger@eyesopen.com>
11699 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11700 integer constants other than zero are only legitimate on TARGET_64BIT.
11701 <CONST_VECTOR> Only zero vectors are legitimate.
11702 (ix86_cannot_force_const_mem): Integral and vector constants can
11703 always be put in the constant pool.
11705 2006-05-16 DJ Delorie <dj@redhat.com>
11707 * crtstuff.c (__dso_handle): Set section from
11708 TARGET_LBIGCC_SDATA_SECTION if defined.
11709 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11710 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11712 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11715 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11718 2006-05-16 Ben Elliston <bje@au.ibm.com>
11720 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11722 2006-05-15 Per Bothner <per@bothner.com>
11724 * tree.c: (last_annotated_node): Use source_locus typedef.
11725 This permits bootstrapping with --enable-mapped-location.
11727 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11729 PR tree-optimization/26830
11730 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11731 (info_for_ssa_name, current_info_for_ssa_name_age,
11732 blocks_to_update): New variables.
11733 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11734 (clear_ssa_name_info, initialize_flags_in_bb,
11735 mark_block_for_update): New functions.
11736 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11737 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11738 prepare_def_site_for): Use mark_block_for_update.
11739 (mark_def_interesting): Assert that the processed block is marked in
11740 blocks_to_update. Do not take blocks argument.
11741 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11743 (rewrite_update_init_block, rewrite_update_stmt): Only process
11744 blocks with statements to rewrite.
11745 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11746 (update_ssa): Initialize and free blocks_to_update. Do not
11747 clear flags on statements. Do not use blocks bitmap.
11748 * tree.h (SSA_NAME_AUX): Removed.
11749 (struct tree_ssa_name): Removed aux field.
11750 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11752 2006-05-15 Richard Guenther <rguenther@suse.de>
11754 PR tree-optimization/27603
11755 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11756 Do computations in original type.
11758 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11760 * see.c: Code style changes such as redundant paranthesis,
11761 redundant intialization of local variables etc.
11762 (see_main): Declared now as static.
11763 * doc/invoke.texi: Update that -fsee is not enabled by
11766 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11768 * omp-low.c (check_omp_nesting_restrictions): New function.
11769 (scan_omp_1): Call it.
11771 PR middle-end/27416
11772 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11773 construct, return *VAR.
11775 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11777 PR rtl-optimization/27406
11778 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11781 2006-05-14 Roger Sayle <roger@eyesopen.com>
11783 PR rtl-optimization/27538
11784 * combine.c (expand_compound_operation): Call gen_lowpart
11785 before calling simplify_shift_const.
11787 2006-05-14 Roger Sayle <roger@eyesopen.com>
11789 PR rtl-optimization/22563
11790 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11791 a fixed width bitfield, always force the intermediates into psuedos.
11793 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11796 * mkconfig.sh: Use operator = instead of == for test.
11798 2006-05-13 Nick Clifton <nickc@redhat.com>
11800 * dwarf2out.c (dbx_reg_number): Check return value from
11801 LEAF_REG_REMAP and only use it if it is valid.
11802 (multiple_reg_loc_descriptor): Likewise.
11804 2006-05-13 Richard Guenther <rguenther@suse.de>
11806 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11809 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11811 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11812 information attached to non-INSNs such as NOTEs.
11813 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11815 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11817 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11819 * config/s390/s390.md: Adjust comment describing On constraint.
11821 2006-05-11 Jan Hubicka <jh@suse.cz>
11823 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11824 to be output at -O0.
11826 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11828 PR middle-end/27384
11829 * fold-const.c (size_binop): Move sanity check for arguments to
11830 the beginning of the function.
11832 PR middle-end/27488
11833 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11836 2006-05-11 Richard Guenther <rguenther@suse.de>
11838 PR middle-end/27529
11839 * fold-const.c (fold_unary): Handle intermediate conversion
11840 to a pointer type like intermediate conversion to an integer
11841 type in folding of (T1)(T2)var to var.
11842 Match the code to the comment in the final conversion for
11843 (T1)(T2)var to (T1)var regarding to type precision. Rather
11844 than disallow T1 being of pointer type, assert that both T1
11845 and var are of pointer type or not. Make sure not to fall
11846 over the frontends lazyness wrt array to pointer decay though.
11848 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11850 * arm.c (arm_struct_value_rtx): Delete.
11851 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11852 (arm_init_cumulative_args): Always initialize nregs to zero.
11854 2006-05-10 Richard Guenther <rguenther@suse.de>
11856 PR tree-optimization/27532
11857 * tree-object-size.c (plus_expr_object_size): Fix typo.
11859 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11862 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11863 ashrdi_const, ashrdi3): Use a scratch register.
11865 2006-05-10 Richard Guenther <rguenther@suse.de>
11867 PR tree-optimization/27302
11868 * fold-const.c (operand_equal_p): For two comparisons,
11869 try comparison of one comparison code swapped if that yields
11872 2006-05-10 Ben Elliston <bje@au.ibm.com>
11874 * tree-pretty-print.c (pretty_print_string): No need to handle
11875 '\0' as a special character.
11877 * tree.h: Include "hashtab.h".
11878 (iterative_hash_expr): Use hashval_t in its prototype.
11879 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11881 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11884 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11885 (hppa*64*-*-hpux11*): Ditto.
11886 (hppa[12]*-*-hpux11*): Ditto.
11888 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11891 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11893 2006-05-09 Michael Matz <matz@suse.de>
11895 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11896 host_extra_gcc_objs and host_xmake_file.
11897 (<*-*-linux*>): Don't overwrite host_xmake_file.
11898 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11899 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11900 (host_detect_local_cpu): Declare.
11901 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11902 * config/i386/i386.c (override_options): Handle -mtune=native
11904 * config/i386/x-i386: New file.
11905 * config/i386/driver-i386.c: New file.
11906 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11909 2006-05-09 Dirk Mueller <dmueller@suse.de>
11910 Richard Guenther <rguenther@suse.de>
11912 PR middle-end/27498
11913 * fold-const.c (fold_read_from_constant_string): Relax check
11914 for matching types to matching modes.
11916 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11918 PR rtl-optimization/27335
11919 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11922 2006-05-08 Chao-ying Fu <fu@mips.com>
11923 Richard Sandiford <richard@codesourcery.com>
11925 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11926 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11927 * config/mips/mips.md (UNSPEC_SCC): New constant.
11928 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11929 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11930 (mips_emit_compare): Use it.
11931 (mips_expand_vcondv2sf): New function.
11933 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11935 Fix PR tree-optimization/27093
11936 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11937 renaming when they become not-used_alone.
11939 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11941 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11942 relocation and relocation stubs.
11944 2006-05-08 Eric Christopher <echristo@apple.com>
11946 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11949 2006-05-08 Jan Hubicka <jh@suse.cz>
11951 PR middle-end/24561
11952 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11953 unused static functions are needed.
11955 2006-05-08 Roger Sayle <roger@eyesopen.com>
11958 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11959 of a reg_equiv_constant if the result is a legitimate constant.
11961 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11964 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11965 standard 80387 constants, raise the cost to prevent
11966 compress_float_constant() to generate load from memory.
11968 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11970 * config/arm/constraints.md (c): Fix a typo.
11972 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11975 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11978 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11980 (_mm_mwait): Likewise.
11982 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11984 (sse3_monitor): Make it 32bit only.
11985 (sse3_monitor64): New. 64bit monitor.
11987 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11990 * config/i386/i386.c (classify_argument): Skip fields with invalid
11993 2006-05-07 Richard Guenther <rguenther@suse.de>
11995 PR tree-optimization/27409
11996 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11997 Do not try to find zero-sized subvars.
11999 2006-05-07 Richard Guenther <rguenther@suse.de>
12001 PR tree-optimization/27136
12002 * tree-ssa-loop-niter.c (get_val_for): Correct function
12003 comment, assert requirements.
12004 (loop_niter_by_eval): Stop processing if the iterated
12005 value did not simplify.
12007 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12009 * opts.c (flag_see): remove its setting at -O3.
12011 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12013 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12014 * arm/constraints.md: New file.
12015 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12016 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12017 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12018 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12019 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12020 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12021 * arm.md: Include constraints.md.
12022 (thumb_movsi_insn): Use satisfies_constraint_J.
12023 (movhi, movqi): Use satisfies_constraint_I.
12025 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12027 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12028 for atmeg a645 device.
12030 2006-05-06 Richard Guenther <rguenther@suse.de>
12032 PR tree-optimization/27151
12033 * tree-vect-transform.c (vectorizable_condition): Punt on
12034 values that have a different type than the condition.
12036 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12039 * c-parser.c (c_parser_cast_expression): Only insert casts into
12040 hash table if pointer.
12041 * function.c (used_types_insert_helper): Rename from
12043 (used_types_insert): Call used_types_insert_helper.
12044 * function.h (used_types_insert): Accept only one argument.
12046 2006-05-05 David Edelsohn <edesohn@gnu.org>
12048 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12049 scratch with output modifier.
12051 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12054 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12055 with output modifier.
12057 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12060 * config/mips/mips.c (mips_symbolic_address_p): Return true
12061 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12062 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12064 2006-05-04 Richard Guenther <rguenther@suse.de>
12066 PR tree-optimization/14287
12067 PR tree-optimization/14844
12068 PR tree-optimization/19792
12069 PR tree-optimization/21608
12070 PR tree-optimization/27090
12071 * tree-ssa-pre.c (try_combine_conversion): New function.
12072 (compute_avail): After constructing the value-handle
12073 expression, use try_combine_conversion to combine NOP_EXPRs
12074 with previous value-handle expressions and use the result if it
12077 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12079 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12081 2006-05-04 Jan Hubicka <jh@suse.cz>
12083 PR middle-end/25962
12084 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12086 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12088 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12089 that this only matches CONST_INTs. All users changed to VOIDmode
12092 * config/bfin/bfin.c: Include "optabs.h".
12093 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12095 (enum bfin_builtins): Add a number of fractional and vector builtins.
12096 (bfin_init_builtins): Likewise.
12097 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12098 (safe_vector_operand, bfin_expand_binop_builtin,
12099 bfin_expand_unop_builtin): New functions.
12100 (bfin_expand_builtin): Handle the new builtins.
12101 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12104 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12107 * Makefile.in (OBJS-common): Add see.o.
12108 (see.o): Add dependencies.
12109 * common.opt (fsee): New flag for the see optimization was added.
12110 * opts.c (flag_see): Initialized.
12111 * passes.c (init_optimization_passes, pass_see): New pass.
12112 * rtl.h (see_main): Declaration as extern.
12113 * timevar.def (TV_SEE): New.
12114 * tree-pass.h (pass_see): Declaration as extern.
12115 * invoke.texi (-fsee): Document.
12116 * recog.c (validate_simplify_insn): New function.
12117 * recog.h (validate_simplify_insn): Declaration as extern.
12118 * df-problems.c (df_chain_dump): Check for NULL.
12120 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12121 Daniel Berlin <dberlin@dberlin.org>
12123 * cfgrtl.c (insert_insn_bb_end_new): New function.
12124 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12126 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12128 * df.h (struct web_entry): Moved from web.c.
12129 (union_defs): Declaration as extern.
12130 (unionfind_root): Likewise.
12131 (unionfind_union): Likewise.
12132 * web.c (struct web_entry): Moved to df.h.
12133 (unionfind_root): Remove static declaration.
12134 (unionfind_union): Likewise.
12135 (union_defs): Likewise and generalize to use callback function.
12136 (web_main): Update arguments for union_defs function call.
12138 2006-05-04 Richard Guenther <rguenther@suse.de>
12140 PR tree-optimization/26447
12141 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12142 produce SSA_NAME copies before the store stmt to avoid
12143 breaking exception handling.
12145 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12147 PR middle-end/27388
12148 * gimplify.c (omp_is_private): If var is shared in some outer context,
12149 return false instead of true. Stop searching on parallel context
12152 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12155 * coverage.c: Use get_gcov_unsigned_t() instead of
12156 unsigned_type_node all over.
12158 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12160 PR tree-optimization/27381
12161 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12162 maintain the same immediate_use links.
12163 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12164 node rather than segfaulting.
12166 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12169 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12170 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12171 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12173 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12175 Fix PR tree-optimization/26626
12176 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12178 * tree-ssa-operands.c (access_can_touch_variable): Allow
12179 typecasting through union pointers.
12181 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12184 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12185 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12186 to find if var will be a global variable even in the nested context.
12187 (omp_copy_decl): Only check for global variable at the end, it might
12188 be overridden in outer contexts.
12189 (scan_sharing_clauses): For global variables don't create a field.
12190 (lower_rec_input_clauses): Do nothing for global shared variables.
12191 Emit a barrier at the end of ILIST if there were any decls in both
12192 firstprivate and lastprivate clauses.
12193 (lower_send_clauses): Do nothing for global variables except for
12196 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12198 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12199 of the correct signedness is returned.
12201 2006-05-02 Jeff Law <law@redhat.com>
12203 PR tree-optimization/27364
12204 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12205 multiply expressions.
12207 2006-05-02 Tom Tromey <tromey@redhat.com>
12209 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12211 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12214 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12215 -mthumb -fPIC are used.
12217 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12218 Joshua Kinard <kumba@gentoo.org>
12221 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12222 with 64-bit pointers.
12224 2006-05-02 Paul Brook <paul@codesourcery.com>
12226 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12228 (create_fix_barrier): Check that a suitable barrier location is
12230 (arm_reorg): Include ftmp->address in allowable range of addresses.
12232 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12235 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12238 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12240 PR middle-end/27337
12241 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12242 around RESULT_DECL for result passed by reference.
12243 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12244 * omp-low.c (use_pointer_for_field): Don't look at
12245 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12246 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12247 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12248 time or var for passing by reference for
12249 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12250 TREE_ADDRESSABLE variables when passing by reference.
12252 * omp-low.c (dump_omp_region): Fix output formatting.
12254 PR middle-end/27328
12255 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12256 (expand_omp_parallel): Likewise.
12257 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12259 PR middle-end/27325
12260 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12261 on statement list containing also constructors and destructors.
12262 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12264 PR middle-end/27310
12265 * except.c (duplicate_eh_regions): Fix clearing of
12266 cfun->eh->region_array entries.
12268 2006-05-01 DJ Delorie <dj@redhat.com>
12270 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12272 (gcc_cv_objdump): Likewise.
12273 * configure: Regenerated.
12275 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12278 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12279 templates for case 3 and 4.
12281 2006-05-01 DJ Delorie <dj@redhat.com>
12283 * vec.c: Include bconfig.h when appropriate.
12284 * Makefile.in (build/vec.o): Adjust dependencies.
12285 * mkconfig.sh: Make sure config.h isn't used for build machine
12288 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12290 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12292 (mark_phi_for_rewrite): New function.
12293 (insert_phi_nodes_for, mark_use_interesting): Call
12294 mark_phi_for_rewrite.
12295 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12296 (update_ssa): Initialize and free phis_to_rewrite.
12298 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12300 PR rtl-optimization/27291
12301 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12302 folded to a constant.
12304 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12306 PR tree-optimization/27283
12307 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12308 not whole # of iteration descriptions.
12309 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12310 uses abnormal ssa name.
12311 (niter_for_single_dom_exit): Ditto.
12312 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12313 return just the number of iterations.
12315 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12317 PR tree-optimization/27144
12318 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12319 (record_estimate): Only record constant upper bound.
12320 (infer_loop_bounds_from_undefined): Call
12321 compute_estimated_nb_iterations just once.
12322 (proved_non_wrapping_p): Renamed to ...
12323 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12324 (convert_step_widening, scev_probably_wraps_p): Call
12325 n_of_executions_at_most instead of proved_non_wrapping_p.
12326 (substitute_in_loop_info): Do not replace values in bounds.
12327 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12330 2006-05-01 Richard Henderson <rth@redhat.com>
12333 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12334 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12337 2006-05-01 Roger Sayle <roger@eyesopen.com>
12339 * c-typeck.c (parser_build_binary_op): Don't call the function
12340 unsigned_conversion_warning to spot operand/result type overflow.
12341 (build_binary_op): Instead, call convert_and_check instead of
12342 convert to report the problem when the operands are promoted.
12343 * c-common.c (unsigned_conversion_warning): Make static.
12344 * c-common.h (unsigned_conversion_warning): Delete prototype.
12346 2006-05-01 Richard Guenther <rguenther@suse.de>
12348 PR tree-optimization/26726
12349 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12351 (find_interesting_uses_address): ... we work around here
12352 by folding INDIRECT_REFs in the substituted base.
12354 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12356 * omp-low.c (dump_omp_region): Add newlines.
12358 2006-04-30 Roger Sayle <roger@eyesopen.com>
12360 * common.opt (Woverflow): New command line option.
12361 * c-common.c (constant_expression_warning): Check warn_overflow.
12362 (overflow_waring): Pass OPT_Woverflow to warning.
12363 (unsigned_conversion_warning): Likewise.
12364 (convert_and_check): Likewise.
12365 * doc/invoke.texi: Document new command line option.
12367 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12369 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12370 TARGET_NO_FP_IN_TOC for section anchors.
12371 (optimization_options): Enable section anchors for all
12372 non-"Objective" languages.
12374 2006-04-28 Eric Christopher <echristo@apple.com>
12376 * config/darwin-c.c (darwin_ms_struct): Move this
12377 (darwin_set_default_type_attributes): and this...
12378 * config/darwin.c: ... here.
12379 * config/darwin.h (darwin_ms_struct): Declare.
12381 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12383 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12385 2006-04-28 Roger Sayle <roger@eyesopen.com>
12388 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12389 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12390 an unsigned HOST_WIDE_INT.
12391 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12393 (really_start_incremental_init): No need to call convert because
12394 bitsize_zero_node is already of type bitsizetype.
12395 (push_init_level): Extract the value of constructor_index as an
12396 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12397 (process_init_element): Likewise.
12399 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12401 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12402 value before passing to make_relative_prefix.
12404 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12406 PR middle-end/27260
12407 * builtins.c (expand_builtin_memset): Expand val in original mode.
12409 2006-04-27 Eric Christopher <echristo@apple.com>
12411 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12412 with #ifndef/#endif.
12413 * config/darwin-c.c (darwin_ms_struct): New.
12414 (darwin_pragma_ms_struct): Ditto.
12415 (darwin_set_default_type_attributes): Ditto.
12416 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12417 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12418 Register ms_struct pragma.
12419 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12420 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12421 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12422 darwin_set_default_type_attributes if TARGET_MACHO.
12424 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12426 PR tree-optimization/26854
12427 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12428 * doc/tree-ssa.texi: Update immuse iterator documentation.
12429 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12430 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12431 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12432 first_safe_imm_use, next_safe_imm_use): Remove.
12433 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12434 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12435 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12436 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12437 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12438 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12439 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12440 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12441 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12442 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12443 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12444 (perfect_nestify): Use new iterator.
12445 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12447 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12448 (next_imm_name): New field in struct immediate_use_iterator_d.
12449 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12450 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12451 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12452 * tree-cfg.c (replace_uses_by): Use new iterator.
12453 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12454 * tree-ssa-operands.c (correct_use_link): Remove.
12455 (finalize_ssa_use_ops): No longer call correct_use_link.
12457 2006-04-27 Stuart Hastings <stuart@apple.com>
12459 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12460 * config/t-darwin (crt3.o): Use it.
12461 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12462 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12463 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12464 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12465 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12468 2006-04-27 Roger Sayle <roger@eyesopen.com>
12470 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12471 size, force the intermediate into a new pseudo rather instead of
12472 performing both a bitwise AND and a bitwise IOR in memory.
12474 2006-04-27 Richard Guenther <rguenther@suse.de>
12476 PR rtl-optimization/26685
12477 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12478 this one "max-flow-memory-locations".
12480 2006-04-27 Richard Guenther <rguenther@suse.de>
12482 PR tree-optimization/25148
12483 * tree-vrp.c (compare_values): Remove code dealing with
12484 comparisons against type min/max value. Honour overflow
12485 and negative constants in code dealing with comparisons
12486 of plus and minus expressions.
12487 (value_inside_range): Use fold_binary with LE_EXPR and
12488 GE_EXPR rather than compare_values.
12490 2006-04-27 Dirk Mueller <dmueller@suse.de>
12492 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12495 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12497 * basic-block.h (safe_insert_insn_on_edge): Removed.
12498 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12500 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12501 Paolo Bonzini <bonzini@gnu.org>
12503 PR middle-end/27282
12504 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12505 (simplify_and_const_int): Same.
12507 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12509 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12511 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12514 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12515 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12516 cgraph_global_info_ready.
12518 PR middle-end/26913
12519 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12522 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12523 either decl or init is error_mark_node.
12525 PR middle-end/25989
12526 * tree-flow.h (struct omp_region): Add sched_kind.
12527 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12528 instead of extracting omp for data.
12529 (expand_omp_for): Save extracted sched_kind.
12531 2006-04-25 Roger Sayle <roger@eyesopen.com>
12533 * expmed.c (store_bit_field): Also check whether the bitsize is
12534 valid for the machine's "insv" instruction before moving the
12535 target into a pseudo for use with the insv.
12536 * config/i386/predicates.md (const8_operand): New predicate.
12537 * config/i386/i386.md (extv, extzv, insv): Use the new
12538 const8_operand predicate where appropriate.
12540 2006-04-25 DJ Delorie <dj@redhat.com>
12542 * doc/install.texi (Specific): Clarify that this is not a list of
12543 supported hosts or targets.
12545 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12547 PR rtl-optimization/26725
12548 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12549 block's BB_DIRTY flag.
12551 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12553 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12556 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12557 to print an integer.
12559 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12561 * varasm.c (align_variable): New function.
12562 (get_block_for_decl): Apply align_variable to DECL before
12563 calculating section information.
12564 (assemble_variable): Split out alignment computation.
12566 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12568 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12571 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12573 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12574 MODE_PARTIAL_INT mode.
12575 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12576 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12578 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12579 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12581 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12583 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12585 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12586 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12587 MACFLAG_IH): Likewise.
12588 (movstricthi_1): Renamed from "*movstricthi".
12589 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12590 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12591 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12592 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12593 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12594 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12595 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12596 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12597 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12598 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12599 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12600 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12601 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12602 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12603 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12605 * doc/rtl.texi (ss_ashift): Improve wording.
12607 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12609 * dwarf2out.c (verify_marks_clear): New.
12610 (prune_unused_types): Call verify_marks_clear initially, not
12613 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12615 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12616 * doc/rtl.texi: Document them.
12617 * simplify-rtx.c (simplify_unary_operation,
12618 simplify_binary_operation_1): Don't abort when we see them.
12620 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12623 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12624 * configure.ac: Completely disregard languages that are not
12626 * configure: Regenerated.
12628 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12629 Richard Guenther <rguenther@suse.de>
12631 PR tree-optimization/27236
12632 * tree-inline.c (copy_body_r): Make sure to copy
12633 TREE_THIS_VOLATILE flag.
12635 2006-04-24 Richard Guenther <rguenther@suse.de>
12637 PR middle-end/26869
12638 * tree-complex.c (update_parameter_components): Don't handle
12639 unused parameters which have no default def.
12641 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12642 Richard Guenther <rguenther@suse.de>
12644 PR tree-optimization/27218
12645 * tree-inline.c (expand_call_inline): Strip useless type
12646 conversions for the return slot address.
12648 2006-04-24 Richard Guenther <rguenther@suse.de>
12650 * cfgloop.h (struct loops): Remove unused field array. Reorder
12652 (LOOP_PREFETCH): Remove.
12654 2006-04-24 Richard Guenther <rguenther@suse.de>
12656 PR tree-optimization/22525
12657 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12658 variable, adjust types of generated expressions.
12660 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12662 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12663 (tree-vect-patterns.o): Likewise.
12664 (jump.o): Likewise.
12665 (cselib.o): Likewise.
12666 (loop-doloop.o): Likewise.
12667 (regclass.o): Likewise.
12668 (reload1.o): Likewise.
12669 (explow.o): Replace target.h with $(TARGET_H).
12670 (ipa-prop.o): Likewise.
12671 (ipa-cp.o): Likewise.
12672 (ipa-inline.o): Likewise.
12673 (reorg.o): Likewise.
12674 (reg-stack.o): Likewise.
12676 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12678 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12680 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12682 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12684 * configure.ac: Completely disregard languages that are not
12686 * configure: Regenerated.
12689 * c-common.h (c_build_bitfield_integer_type): Declare.
12690 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12691 * c-common.c (c_build_bitfield_integer_type): ... here.
12693 2006-04-23 Roger Sayle <roger@eyesopen.com>
12696 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12697 a SImode SUBREG of a floating point register after no_new_pseudos.
12699 2006-04-23 Roger Sayle <roger@eyesopen.com>
12701 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12702 identify potentially eliminable registers to additionally catch
12703 VIRTUAL_INCOMING_ARGS_REGNUM.
12704 (addsi3): Update the conditions on when to use addsi_small_int.
12706 2006-04-23 Roger Sayle <roger@eyesopen.com>
12709 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12710 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12711 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12713 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12715 * fold-const.c (range_predecessor): Use operand_equal_p
12716 as the predicate for equality.
12717 (range_successor): Likewise.
12719 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12722 * config/soft-fp/op-common.h: Fix a typo.
12724 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12726 PR libmudflap/26864
12727 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12728 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12730 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12732 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12734 * doc/tm.texi: Fix a typo.
12736 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12738 * dwarf2out.c (struct die_struct): Document that die_sib makes
12739 a circular linked list.
12740 (FOR_EACH_CHILD): New.
12741 (reverse_die_lists): Delete.
12742 (reverse_all_dies): Delete.
12743 (add_dwarf_attr): Correct documentation.
12744 (remove_child_with_prev): New.
12745 (remove_child_TAG): Update for change to die_struct, use
12746 remove_child_with_prev.
12747 (add_child_die): Update for change to die_struct.
12748 (splice_child_die): Use remove_child_with_prev and add_child_die.
12749 (print_die): Use FOR_EACH_CHILD.
12750 (die_checksum): Likewise.
12751 (assign_symbol_names): Likewise.
12752 (output_location_lists): Likewise.
12753 (build_abbrev_table): Likewise.
12754 (calc_die_sizes): Likewise.
12755 (mark_dies): Likewise.
12756 (unmark_dies): Likewise.
12757 (unmark_all_dies): Likewise.
12758 (output_die): Likewise.
12759 (prune_unused_types_mark): Likewise.
12760 (prune_unused_types_walk): Likewise.
12761 (same_die_p): Update for change to die_struct.
12762 (break_out_includes): Likewise.
12763 (prune_unused_types_prune): Likewise.
12764 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12765 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12766 it's already clear.
12767 (dwarf2out_finish): Don't call reverse_all_dies.
12769 2006-04-21 Eric Christopher <echristo@apple.com>
12771 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12772 in comments and function names.
12774 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12777 * c-typeck.c (digest_init): Robustify.
12779 * c-typeck.c (pop_init_level): Simplify.
12781 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12783 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12785 2006-04-21 Paul Brook <paul@codesourcery.com>
12787 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12788 hardware floating point.
12790 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12792 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12795 2006-04-21 Nick Clifton <nickc@redhat.com>
12797 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12800 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12803 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12804 C++ lang type in traceback table for Objective-C++.
12806 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12808 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12810 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12812 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12815 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12816 were errors. Remove check for erroneous objects.
12818 2006-04-20 Jeff Law <law@redhat.com>
12820 PR tree-optimization/26854
12821 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12822 checking for zero or one use.
12823 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12824 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12825 * tree-ssa-reassoc.c (negate_value): Similarly.
12826 (reassociate_bb): Similarly.
12828 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12831 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12832 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12833 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12835 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12837 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12838 fp regs if the last fp arg doesn't fit in regs.
12840 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12843 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12844 that the last insn has the REG_INC note.
12846 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12847 Nathan Sidwell <nathan@codesourcery.com>
12850 * stor-layout.c (update_alignment_for_field): Do not align
12852 (place_union_field): Place union field at the start of the union.
12853 (place_field): Move ERROR_MARK check later, and use the current
12854 allocation position to maintain monotonicity.
12856 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12858 * dominance.c: Include timevar.h.
12859 (calculate_dominance_info): Use TV_DOMINANCE.
12860 * timevar.def (TV_DOMINANCE): New timevar.
12861 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12863 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12865 PR rtl-optimization/14261
12866 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12867 move would be an INSV insn.
12868 (noce_process_if_block): Don't optimize if the destination is a
12869 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12871 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12873 * config/s390/s390.md: Add comments with the instructions emitted
12874 by an insn pattern if macros are used.
12876 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12878 PR rtl-optimization/26026
12879 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12880 is a known power of two shifted left a variable amount.
12882 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12884 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12885 to hash table twice when the debug_str section has SECTION_MERGE.
12887 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12889 * config/soft-fp: New directory. From glibc.
12890 * config/soft-fp/t-softfp: New.
12891 * config/soft-fp/README: New.
12892 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12893 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12894 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12895 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12896 * config.gcc: Use rs6000/t-fprules-fpbit or
12897 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12899 * config/rs6000/sfp-machine.h: New. Based on glibc.
12900 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12902 * config/rs6000/t-fprules: Remove fp-bit rules.
12903 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12904 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12905 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12906 (softfp_wrap_start, softfp_wrap_end): New.
12908 2006-04-18 DJ Delorie <dj@redhat.com>
12910 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12912 2006-04-18 Devang Patel <dpatel@apple.com>
12914 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12916 2006-04-18 Nick Clifton <nickc@redhat.com>
12918 * config/sh/t-symbian: Add rule to build sh-c.o
12919 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12920 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12921 (sh_symbian_encode_section_info): Likewise.
12923 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12925 * builtins.c (expand_builtin_strcmp): Cover label definition of
12926 do_libcall with HAVE_cmpstrnsi.
12928 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12930 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12932 * function.h (temp_slot_p): New.
12933 (function): Change the type of x_used_temp_slots to
12934 VEC(temp_slot_p,gc) *.
12936 2006-04-18 Nick Clifton <nickc@redhat.com>
12938 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12939 flag_strength_reduce.
12941 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12943 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12947 Partial revert of revision 112637
12948 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12949 Dale Johannesen <dalej@apple.com>
12952 * regclass.c (struct reg_pref): Update documentation.
12953 (regclass): Set prefclass to NO_REGS if memory is the best option.
12954 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12956 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12958 PR tree-optimization/26821
12959 * tree-ssa-math-opts.c (get_constant_one): New.
12960 (insert_reciprocals): Use it.
12962 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12964 * dwarf2out.c (free_AT): Delete.
12965 (remove_AT): Update string ref counts.
12966 (remove_child_TAG): Don't call free_die.
12967 (free_die): Delete.
12968 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12969 or DW_TAG_GNU_EINCL.
12970 (prune_unused_types_walk_attribs): Reset string refcounts.
12971 (prune_unused_types_update_strings): New.
12972 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12973 call free_die. Do call prune_unused_types_update_strings.
12974 (prune_unused_types): Empty debug_str_hash.
12976 2006-04-17 Roger Sayle <roger@eyesopen.com>
12978 * expr.c (expand_assignment): Optimize away no-op moves where the
12979 source and destination are equal and have no side-effects.
12981 2006-04-17 Richard Guenther <rguenther@suse.de>
12984 * reload.c (push_reload): Guard calls to get_secondary_mem
12985 for memory subregs.
12987 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12989 * alias.c (reg_base_value, old_reg_base_value): Change the
12990 type to VEC(rtx,gc) *.
12991 (REG_BASE_VALUE, find_base_value, record_set,
12992 init_alias_analysis): Use VEC instead of VARRAY.
12994 * alias.c (alias_sets): Change the type to
12995 VEC(alias_set_entry,gc) *.
12996 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12997 VEC instead of VARRAY.
12998 (last_alias_set): Remove.
13000 * cgraph.h (cgraph_edge_p): New.
13001 Update the prototype of cgraph_function_versioning.
13002 * cgraphunit.c (cgraph_copy_node_for_versioning,
13003 cgraph_function_versioning): Use VEC instead of VARRAY.
13004 * ipa-cp.c (ipcp_insert_stage): Likewise.
13006 2006-04-16 Roger Sayle <roger@eyesopen.com>
13009 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13010 "A op B" or "A op C", we may need to convert A to the type of B and C.
13012 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13014 * target.h (struct gcc_target): Add mode_rep_extended.
13015 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13016 (init_num_sign_bit_copies_in_rep): Initialize it using
13018 (truncate_to_mode): Use it.
13019 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13020 * targhooks.h (default_mode_rep_extended): Declare it.
13021 * targhooks.c (default_mode_rep_extended): Define it.
13022 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13023 default_mode_rep_extended.
13024 (TARGET_INITIALIZER): Include it.
13025 * doc/tm.texi (Misc): Document it.
13026 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13027 (mips_truncated_to_mode): New function.
13029 2006-04-16 Roger Sayle <roger@eyesopen.com>
13031 PR middle-end/25474
13032 * expr.c (compress_float_constant): Copy the narrow constant into
13033 a new pseudo before extending it to its final width.
13035 2006-04-16 Roger Sayle <roger@eyesopen.com>
13036 Andrew Pinski <pinskia@gcc.gnu.org>
13037 Dale Johannesen <dalej@apple.com>
13040 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13041 special case code to implement V8HImode and V16QImode with SSE2.
13043 2006-04-15 Roger Sayle <roger@eyesopen.com>
13045 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13046 trees are constructed with a suitable tree type.
13048 2006-04-15 Roger Sayle <roger@eyesopen.com>
13050 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13051 (integer_onep): Likewise.
13052 (integer_all_onesp): Likewise.
13053 (integer_pow2p): Likewise.
13054 (integer_nonzerop): Likewise.
13055 (real_zerop): Likewise.
13056 (real_onep): Likewise.
13057 (real_twop): Likewise.
13058 (real_minus_onep): Likewise.
13059 (int_size_in_bytes): Likewise.
13060 (host_integerp): Likewise.
13062 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13064 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13065 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13066 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13068 * tree-ssa-structalias.h (alias_info): Remove num_references.
13070 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13072 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13073 (output_bvb patterns): Likewise.
13074 * pa.c (output_bb): Use 'bb' insn for long branch case.
13075 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13076 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13077 1. Correct length operand for alternatives 1 and 2.
13078 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13079 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13081 2006-04-14 Roger Sayle <roger@eyesopen.com>
13083 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13084 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13085 were accidentally reverted by r112959.
13087 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13089 PR middle-end/26823
13090 * except.h (eh_region_outermost): New prototype.
13091 * except.c (eh_region_outermost): New function.
13092 * tree-cfg.c (find_outermost_region_in_block): Use it.
13094 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13096 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13098 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13099 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13100 (init_reload, reload): Use VEC instead of VARRAY.
13101 * reload.h: Update the prototype for
13102 reg_equiv_memory_loc_varray.
13104 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13105 Eric Botcazou <ebotcazou@libertysurf.fr>
13107 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13108 register save area.
13110 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13112 PR middle-end/27134
13113 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13114 to expand fallback builtin function call.
13116 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13118 PR middle-end/27095
13119 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13120 and emit libcall here in case the builtin fails.
13121 (expand_builtin_strcmp): Always emit the libcall here on failure.
13123 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13125 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13126 * flow.c (reg_n_info): Change the type to
13127 VEC(reg_info_p,heap) *.
13128 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13130 * regs.h (reg_info_p): New.
13131 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13132 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13133 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13136 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13138 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13140 * params.h (MAX_SCHED_READY_INSNS): New macro.
13141 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13142 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13143 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13144 the ready list for 1 cycle during the first scheduling pass.
13145 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13147 2006-04-13 Richard Henderson <rth@redhat.com>
13150 * gimple-low.c (lower_omp_directive): Remove dead code.
13151 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13152 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13153 * omp-low.c (struct omp_region): Move to tree-flow.h.
13154 (root_omp_region): Export.
13155 (omp_regions, lookup_omp_region): Remove.
13156 (determine_parallel_type): Update for struct omp_region changes.
13157 (dump_omp_region): Dump regions with block numbers.
13158 (new_omp_region): Take type and block instead of stmt; malloc
13160 (free_omp_region_1, free_omp_regions): New.
13161 (expand_parallel_call): Take entry_stmt as argument; update for
13162 changes to omp_region.
13163 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13164 (remove_exit_barriers): New.
13165 (expand_omp_parallel): Update for struct omp_region changes.
13166 (expand_omp_synch): Likewise.
13167 (expand_omp): Likewise.
13168 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13169 (expand_omp_for_static_chunk): Likewise.
13170 (expand_omp_for): Likewise.
13171 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13172 (expand_omp_sections): Similarly, with GOMP_sections_end.
13173 (expand_omp_single): New.
13174 (build_omp_regions_1): Update for OMP_CONTINUE.
13175 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13176 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13177 OMP_SECTIONS_SECTIONS.
13178 (lower_omp_single_simple): Don't emit barrier here.
13179 (lower_omp_single_copy): Likewise.
13180 (lower_omp_single): Fix bindings, and lower to straightline now.
13181 (lower_omp_master, lower_omp_ordered): Likewise.
13182 (lower_omp_critical): Likewise.
13183 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13184 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13185 omp edges, free it afterward.
13186 (make_omp_sections_edges): Remove.
13187 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13188 (move_stmt_r): Handle OMP_CONTINUE.
13189 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13190 statement pointers to basic blocks. Add type member.
13191 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13192 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13193 * tree-inline.c (estimate_num_insns_1): Likewise.
13194 * tree-pretty-print.c (dump_generic_node): Likewise.
13195 * tree-ssa-operands.c (get_expr_operands): Likewise.
13196 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13197 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13198 (OMP_CONTINUE): New.
13199 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13200 (OMP_SECTIONS_SECTIONS): Remove.
13201 (OMP_SECTION_LAST): New.
13202 (OMP_RETURN_NOWAIT): New.
13204 2006-04-13 Roger Sayle <roger@eyesopen.com>
13206 * fold-const.c (native_encode_vector, native_interpret_real):
13207 Correct obvious mistakes in the previous check-in.
13209 2006-04-13 Roger Sayle <roger@eyesopen.com>
13211 * fold-const.c (native_encode_expr): New function to encode
13212 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13213 or VECTOR_CST into a specified buffer.
13214 (native_encode_int): New function.
13215 (native_encode_real): New function.
13216 (native_encode_complex): New function.
13217 (native_encode_vector): New function.
13218 (native_interpret_expr): Inverse of native_encode_expr to convert
13219 a target representation into an INTEGER_CST, REAL_CST etc...
13220 (native_interpret_int): New function.
13221 (native_interpret_real): New function.
13222 (native_interpret_complex): New function.
13223 (native_interpret_vector): New function.
13224 (fold_view_convert_expr): New function to constant fold/evaluate
13225 a VIEW_CONVERT_EXPR of a suitable constant expression.
13226 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13227 Change call of build1 to fold_build1 when constructing a
13230 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13231 Ulrich Weigand <uweigand@de.ibm.com>
13234 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13237 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13240 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13241 optimize to lo_sum for DFmode if !TARGET_FPRS.
13243 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13245 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13246 delete_alias_info, compute_flow_sensitive_aliasing,
13247 group_aliases): Use VEC instead of VARRAY.
13248 * tree-ssa-structalias.c (update_alias_info): Likewise.
13249 * tree-ssa-structalias.h (alias_info): Change the type of
13250 processed_ptrs to VEC(tree,heap) *.
13252 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13255 * config/sh/lib1funcs.h: New file, broken out of:
13256 * config/sh/lib1funcs.asm.
13257 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13259 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13260 * config/sh/lib1funcs-Os-4-200.asm: New file.
13261 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13262 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13263 (EXTRA_MULTILIB_PARTS): Include it.
13264 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13265 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13266 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13267 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13270 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13272 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13273 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13274 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13276 * tree-ssa-live.h: Include vecprim.h.
13277 (tree_partition_associator_d): Change the type of
13278 first_partition to VEC(int,heap) *.
13279 (tpa_first_partition): Use VEC instead of VARRAY.
13281 * Makefile.in (GTFILES): Move functions.h after tree.h.
13282 * function.c (reset_block_changes, record_block_change,
13283 check_block_change, free_block_changes): Use VEC instead of
13285 * function.h (function): Change the type of
13286 ib_boundaries_block to VEC(tree,gc) *.
13287 * tree-inline.c (copy_cfg_body): Initialize
13288 ib_boundaries_block to NULL instead of (varray_type) 0.
13290 2006-04-12 Roger Sayle <roger@eyesopen.com>
13292 * expr.c (emit_group_store): Correct operand order in call to
13293 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13294 a SUBREG_BYTE of zero.
13296 2006-04-12 Richard Guenther <rguenther@suse.de>
13298 * profile.c (compute_branch_probabilities): Remove code
13299 encapsulated in !ir_type (), which are remanents of the
13300 removed RTL profiling code.
13301 * rtl-profile.c: Remove.
13303 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13305 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13306 magic NULL_RTX comment.
13307 (function_arg): Store entire fp arg to mem if any part should go
13309 (rs6000_arg_partial_bytes): Adjust for above change.
13311 2006-04-11 Roger Sayle <roger@eyesopen.com>
13313 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13314 if it hasn't been initialized by dwarf2out_init.
13316 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13318 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13319 symbolic constants in branch patterns.
13321 2006-04-11 Roger Sayle <roger@eyesopen.com>
13323 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13325 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13327 PR rtl-optimization/27073
13328 * gcse.c (try_replace_reg): Revert last change. Continue to search
13329 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13332 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13334 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13335 aggregate types other than record and union types.
13336 (function_arg): Likewise.
13337 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13339 (function_value): In 64-bit mode, return objects that require it
13342 2006-04-11 Roger Sayle <roger@eyesopen.com>
13344 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13346 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13348 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13350 2006-04-03 Jeff Law <law@redhat.com>
13353 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13354 alias information too.
13356 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13358 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13360 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13363 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13364 (premark_used_types_helper): New.
13365 (premark_used_types): New.
13366 (gen_subprogram_die): Call premark_used_types.
13367 (prune_unused_types_walk): Do not prune perennial dies.
13368 * function.c (used_types_insert): New.
13369 * function.h (struct function): Add used_types_hash field.
13370 (used_types_insert): Add prototype.
13371 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13372 * c-parser.c (c_parser_cast_expression): Save casted types in used
13375 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13378 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13379 rs6000_explicit_options.float_gprs.
13381 2006-04-10 Roger Sayle <roger@eyesopen.com>
13383 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13384 from ix86_expand_vector_init_low_nonzero. Take an additional
13385 one_var argument indicating which element is non-zero. Support
13386 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13387 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13388 with one_var instead of ix86_expand_vector_init_low_nonzero.
13390 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13392 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13393 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13394 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13395 build/genextract.o): Depend on vecprim.h.
13396 * cfglayout.c, df-problems.c, function.c, genextract.c,
13397 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13398 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13402 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13404 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13405 Declare VECs of this type.
13406 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13407 (remove_children): Delete.
13408 (add_dwarf_attr): Use VEC routines.
13409 (add_AT_flag): Update for changes to add_dwarf_attr.
13410 (add_AT_int): Likewise.
13411 (add_AT_unsigned): Likewise.
13412 (add_AT_long_long): Likewise.
13413 (add_AT_vec): Likewise.
13414 (add_AT_string): Likewise.
13415 (add_AT_die_ref): Likewise.
13416 (add_AT_fde_ref): Likewise.
13417 (add_AT_loc): Likewise.
13418 (add_AT_loc_list): Likewise.
13419 (add_AT_addr): Likewise.
13420 (add_AT_lbl_id): Likewise.
13421 (add_AT_lineptr): Likewise.
13422 (add_AT_macptr): Likewise.
13423 (add_AT_offset): Likewise.
13424 (add_AT_range_list): Likewise.
13425 (get_AT): Use VEC_iterate.
13426 (remove_AT): Use VEC_ordered_remove.
13427 (free_die): Fold remove_children into here; have it use VEC_iterate.
13428 (print_die): Use VEC_iterate on attrs.
13429 (reverse_die_lists): Don't reverse attr lists.
13430 (die_checksum): Use VEC_iterate on attrs.
13431 (same_die_p): Likewise.
13432 (output_location_lists): Likewise.
13433 (build_abbrev_table): Likewise.
13434 (size_of_die): Likewise.
13435 (unmark_all_dies): Likewise.
13436 (output_abbrev_section): Likewise.
13437 (output_die): Likewise.
13438 (prune_unused_types_walk_attribs): Likewise.
13440 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13442 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13444 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13447 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13449 2006-04-09 Roger Sayle <roger@eyesopen.com>
13451 * expr.c (store_constructor): Don't bother clearing target if
13452 we're about to assign a vector to it using vec_init_optab.
13454 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13456 * tree-ssa-alias.c (lhs_may_store_to): New function.
13457 (recalculate_used_alone): Handle LHS of calls.
13459 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13463 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13464 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13465 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13466 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13467 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13468 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13469 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13470 stubs. Add ".align 8" directives before all ".dword" directives.
13471 (GTHREAD_USE_WEAK): Revise comment.
13472 (TARGET_ATTRIBUTE_WEAK): Define.
13473 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13474 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13475 * stublib.c: New file.
13480 * pa.md (cbranch patterns): Revise arguments used in calls to
13481 output_cbranch, output_bb and output_bvd. Add long branch length
13483 (fbranch patterns): Handle long branches.
13484 (jump): Revise length check. Revise arguments for output_lbranch call.
13485 Add long branch length attributes.
13486 (decrement_and_branch_until_zero): Add long branch length attributes.
13487 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13488 Likewise. Revise arguments for output_parallel_addb and
13489 output_parallel_movb calls.
13490 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13491 output_parallel_movb and output_parallel_addb): Update prototypes.
13492 * pa.c (output_cbranch): Revise arguments. Correct handling of
13493 nullification in long branches.
13494 (output_lbranch): Add new argument to control extraction of delay
13496 (output_bb): Handle long branches.
13497 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13498 output_parallel_addb): Likewise.
13500 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13502 PR rtl-optimization/27073
13503 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13506 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13508 * tree.h (tree_memory_tag): Add old_used_alone.
13509 (SMT_OLD_USED_ALONE): New macro.
13510 * tree-ssa-alias.c (recalculate_used_alone): Stop
13511 marking things for renaming unnecessarily.
13513 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13515 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13516 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13517 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13518 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13519 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13520 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13521 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13522 spelling convensions.
13523 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13524 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13525 typos. Follow spelling conventions.
13527 2006-04-07 DJ Delorie <dj@redhat.com>
13529 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13530 passed on the stack.
13531 (m32c_init_cumulative_args): When a function returns a structure,
13532 always pass the pointer to that return area on the stack.
13533 (m32c_function_arg_advance): Don't increment the parameter number
13534 if we're processing the returned structure pointer.
13535 (pushm_info): Reverse order of registers.
13537 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13539 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13540 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13541 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13542 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13543 build_int_cst_type.
13544 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13545 chrec_fold_multiply): Same.
13546 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13547 force_expr_to_var_cost): Same.
13548 * tree-mudflap.c (mf_xform_derefs_1): Same.
13549 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13551 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13553 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13554 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13557 2006-04-07 Jan Hubicka <jh@suse.cz>
13559 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13561 2006-04-07 Richard Guenther <rguenther@suse.de>
13563 PR tree-optimization/26135
13564 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13565 loads for store copy-prop.
13566 (copy_prop_visit_stmt): Likewise.
13568 2006-04-05 Robert Millan <robertmh@gnu.org>
13570 * config/i386/linux.h: Add a comment to mark macros that are
13571 being overriden in config/k*bsd-gnu.h.
13572 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13574 * config/knetbsd-gnu.h: Ditto.
13576 2006-04-06 Jan Hubicka <jh@suse.cz>
13580 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13583 2006-04-06 Mike Stump <mrs@apple.com>
13585 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13586 for HAVE_nonlocal_goto to be consistent.
13587 (expand_builtin_nonlocal_goto): Likewise.
13588 (expand_builtin_strcmp): Use #ifdef instead of #if
13589 for HAVE_cmpstrnsi to be consistent.
13591 2006-04-05 DJ Delorie <dj@redhat.com>
13593 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13596 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13598 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13599 got-relative addressing for anything but SImode.
13601 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13602 even if the calling function doesn't modify them.
13604 2006-04-05 Richard Guenther <rguenther@suse.de>
13606 PR tree-optimization/26919
13607 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13608 to cgraph_estimate_size_after_inlining.
13610 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13612 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13614 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13616 PR tree-optimization/26996
13617 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13618 VECTOR_TYPE variables.
13620 2006-04-05 Richard Guenther <rguenther@suse.de>
13622 PR tree-optimization/26763
13623 * fold-const.c (fold_comparison): Move folding of
13624 PTR + CST CMP PTR + CST ...
13625 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13627 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13629 * doc/install.texi (Prerequisites): Refine some wording on
13630 bootstrapping and ksh.
13631 Move the version numbers of DejaGnu here from the testing section
13632 and fix casing of names.
13633 Fix markup and clarify wording for autogen requirements.
13634 Refer to GCJ instead of just java.
13635 Refer to SVN instead of CVS.
13636 Describe diffutils as useful instead of necessary.
13637 (Downloading the source): Refer to SVN instead of CVS.
13638 Adjust a link to our web site accordingly.
13639 (Configuration): Fix casing of Bison.
13640 (Building): Refer to SVN instead of CVS.
13641 Fix a sentence on the use of Bison and remove duplicate (and
13642 incorrect) version number of Bison requirement.
13643 Remove one redundant list of packages needed for building.
13644 (Specific): Avoid reference to CVS.
13646 2006-04-04 Eric Christopher <echristo@apple.com>
13648 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13649 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13650 (rs6000_handle_struct_attribute): New.
13651 (rs6000_ms_bitfield_layout_p): Ditto.
13653 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13655 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13656 NULL for dso parameter to atexit_common.
13658 2006-04-04 Eric Christopher <echristo@apple.com>
13660 * config/i386/i386.c (machopic_output_stub): Output \t
13661 between instructions and operands.
13663 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13665 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13666 satisfies_constraint_[IL] to explicit tests on value.
13668 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13670 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13671 set_nb_iterations_in_loop): Use build_int_cst instead of
13672 build_int_cst_type.
13673 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13674 build_int_cst instead of convert.
13676 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13678 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13679 new value 2 for incoming.
13680 * function.c (expand_function_start): Call struct_value_rtx
13681 with incoming as 2.
13682 * config/sparc/sparc.md: Comment updated_return.
13683 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13684 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13685 struct return if sparc_std_struct_return and incoming is 2.
13686 (print_operand): Do not adjust return if
13687 sparc_std_struct_return.
13689 2006-04-04 Roger Sayle <roger@eyesopen.com>
13691 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13692 convert in the middle-end.
13693 * expr.c (store_expr, store_constructor, get_inner_reference,
13694 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13696 * tree.c (build_range_type): Likewise.
13698 2006-04-04 Tom Tromey <tromey@redhat.com>
13700 * doc/install.texi (Prerequisites): Mention jar.
13702 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13704 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13707 2006-04-04 Matthias Klose <doko@debian.org>
13709 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13713 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13716 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13718 * doc/extend.texi (Function Attributes): Rewrite visibility
13719 attribute documentation.
13720 * doc/invoke.texi (C++ Dialect Options): Rewrite
13721 -fvisibility-inlines-hidden documentation to describe something
13722 entirely different, although in practise compatible.
13723 (Code Gen Options): Warn about system headers in -fvisibility=
13726 * doc/extend.texi (Other Builtins): Document that
13727 __builtin_nan is a compile-time constant only when its argument
13730 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13732 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13733 trying to remove TRUNCATE check if all bits outside the new mode
13734 are identical to the sign bit.
13736 2006-04-03 Jeff Law <law@redhat.com>
13738 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13739 and operand scanning in some common cases.
13741 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13742 Dale Johannesen <dalej@apple.com>
13745 * regclass.c (struct reg_pref): Update documentation.
13746 (regclass): Set prefclass to NO_REGS if memory is the best option.
13747 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13748 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13749 into account. For non-registers, equate an empty preferred
13750 reload class to a `!' in the constraint; move the if clause to
13751 do so after those that reject the insn.
13752 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13754 (find_dummy_reload): Likewise.
13755 * doc/tm.texi (Register Classes): Document what it means
13756 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13757 * config/i386/i386.c (ix86_preferred_reload_class): Force
13758 using SSE registers (and return NO_REGS for floating-point
13759 constants) if math is done with SSE.
13760 (ix86_preferred_output_reload_class): New.
13761 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13762 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13763 * config/i386/i386.md: Remove # register preferences.
13765 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13768 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13769 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13770 the type of nb_iter.
13771 (instantiate_parameters_1): Convert the operands before calling
13772 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13773 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13775 2006-04-02 Roger Sayle <roger@eyesopen.com>
13777 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13778 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13779 instead of convert.
13780 * dojump.c (do_jump): Likewise.
13781 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13782 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13783 gimplify_boolean_expr): Likewise.
13784 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13785 * varasm.c (array_size_for_constructor): Likewise.
13786 * tree-object-size.c (compute_object_offset): Likewise.
13788 2006-04-02 Roger Sayle <roger@eyesopen.com>
13790 PR middle-end/26977
13791 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13792 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13794 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13796 PR tree-optimization/26939
13797 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13799 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13801 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13802 at_stmt. Convert the type of operands before calling
13803 build_polynomial_chrec.
13804 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13805 add_to_evolution_1.
13806 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13807 (instantiate_parameters_1): Convert the type of operands before calling
13808 build_polynomial_chrec.
13809 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13810 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13811 reset_evolution_in_loop): Insert asserts to check the types of the
13813 (chrec_type): Moved...
13814 (eq_evolutions_p): Use operand_equal_p.
13815 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13816 the types of the operands.
13817 (chrec_type): ...here.
13818 * tree-data-ref.c (create_data_ref): Convert the operands before
13819 calling chrec_replace_initial_condition.
13820 (same_access_functions, analyze_subscript_affine_affine,
13821 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13822 (compute_subscript_distance, analyze_ziv_subscript,
13823 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13824 analyze_miv_subscript): Convert the operands before calling
13825 chrec_fold_minus or chrec_fold_plus.
13827 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13829 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13830 the dependence_relations vector.
13831 (compute_data_dependences_for_loop): Adjust call to
13832 compute_all_dependences.
13834 2006-04-01 Roger Sayle <roger@eyesopen.com>
13835 Richard Henderson <rth@redhat.com>
13837 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13838 gimple_boolify on the condition before calling gimplify_expr.
13840 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13842 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13843 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13844 the frame size. Update to use the new macros.
13845 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13846 * config/xtensa/ieee754-df.S: Likewise.
13848 2006-03-31 Richard Henderson <rth@redhat.com>
13850 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13851 (make_edges): ... here. Control fallthru creation with a local
13852 variable. Do not play with fake edges.
13853 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13854 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13857 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13859 * dwarf2.h (DW64_CIE_ID): Define.
13860 * dwarf2out.c (DWARF_CIE_ID): Define.
13861 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13862 length header. Use DWARF_CIE_ID.
13863 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13864 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13866 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13868 * config/sh/linux-atomic.asm: New file.
13869 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13871 2006-03-31 DJ Delorie <dj@redhat.com>
13873 * config/m32c/cond.md: Set condition flags properly throughout.
13874 * config/m32c/minmax.md: Likewise.
13875 * config/m32c/prologue.md: Likewise.
13876 * config/m32c/bitops.md: Likewise.
13877 * config/m32c/muldiv.md: Likewise.
13878 * config/m32c/mov.md: Likewise.
13879 * config/m32c/addsub.md: Likewise.
13880 * config/m32c/m32c.md: Likewise.
13881 * config/m32c/jump.md: Likewise.
13882 * config/m32c/shift.md: Likewise.
13884 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13885 conditionally output the pattern for this.
13886 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13887 (m32c_compare_redundant): New.
13888 (m32c_output_compare): New.
13889 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13891 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13892 dest, not src. Allow other 4-byte modes.
13894 2006-03-30 Denis Chertykov <denisc@overta.ru>
13896 * doc/md.texi: Refer to avr/constraints.md instead of
13899 2006-03-30 Roger Sayle <roger@eyesopen.com>
13901 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13902 signed vs. unsigned comparison failures on some hosts.
13904 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13907 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13908 change to FLOAT_REGS.
13910 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13911 (rs6000_override_options): Use it.
13912 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13913 only for -mabi=spe/no-spe and -mabi=altivec.
13915 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13917 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13920 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13922 * Makefile.in: Rename docdir to gcc_docdir.
13924 2006-03-30 Roger Sayle <roger@eyesopen.com>
13927 * expr.c (emit_group_store): Optimize group stores into a pseudo
13928 register by using a paradoxical subreg to initialize the destination
13929 if the first or last member of the group specifies a "low part".
13931 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13934 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13935 * target.h (struct gcc_target.speculate_insn): Change type of the
13936 second parameter to 'int'.
13937 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13938 the second operand of the DEPS_LIST.
13939 (copy_DEPS_LIST_list): Update reference to the second operand of the
13941 * rtl.h (alloc_DEPS_LIST): Update signature.
13942 * sched-int.h (ds_t): Change typedef to 'int'.
13943 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13945 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13947 * haifa-sched.c (try_ready): Change condition to restore
13948 non-speculative pattern of the instruction.
13949 (process_insn_depend_be_in_spec): Code to keep probability of the
13950 speculative dependence non-decreasing.
13952 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13954 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13955 (single_move_for_movmem): ... this. Also change all uses.
13956 (bfin_expand_strmov): Renamed to...
13957 (bfin_expand_movmem): ... this. Also change all uses.
13958 * config/bfin/bfin.md (movstrsi): Renamed to...
13959 (movstrsi): ...this.
13961 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13963 PR tree-optimization/26830
13965 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13966 (copy_prop_visit_stmt): Remove write-only variable ann.
13967 (init_copy_prop): Check variable loop depth here. Do not simulate
13968 memory-tag and virtual operand PHIs except for store copy prop.
13970 2006-03-30 Richard Guenther <rguenther@suse.de>
13972 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13973 variants with double arguments.
13975 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13977 * genpreds.c (write_tm_constrs_h): Delete variable p.
13978 * genconditions.c (write_header): Add tm-constrs.h to included
13980 * genpeep.c (main): Add toplev.h to included headers.
13981 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13982 (build/genpeep.o): Add toplev.h dependency.
13983 * config/rs6000/constraints.md: Add "W" constraint.
13985 2006-03-29 Roger Sayle <roger@eyesopen.com>
13987 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13988 sizes by correctly testing whether the size fits a host integer.
13989 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13990 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13991 SImode range for the default sizetype and bitsizetype.
13993 2006-03-29 Roger Sayle <roger@eyesopen.com>
13995 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13996 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13997 quickly if the argument is already of the correct type.
13998 Call fold_build1 instead of build1. Tidy up blank lines.
14000 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14002 * genemit.c (main): Add tm-constrs.h to included headers.
14003 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14004 * genpeep.c (main): Add tm-constrs.h to included headers.
14005 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14006 (write_tm_constrs_h): this and write complete file.
14007 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14008 (write_insn_preds_c): Add tm-constrs.h to included headers.
14009 (gen_constrs): New variable.
14010 (parse_option): Parse "-c".
14011 (main): Invoke write_tm_constrs_h.
14012 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14013 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14014 (object_out_file): Add tm-constrs.h dependency.
14015 (insn-emit.o): Same.
14016 (insn-output.o): Same.
14017 (insn-peep.o): Same.
14018 (insn-preds.o): Same.
14019 (insn-recog.o): Same.
14020 (tm-constsr.h): New target.
14021 (s-constrs-h): New target.
14023 * config/rs6000/constraints.md: New file.
14024 * config/rs6000/rs6000.c: Include tm-constrs.h.
14025 (num_insn_constant_wide): Convert to satisfies_constraint.
14026 (rs6000_rtx_costs): Convert to satisfies_constraint.
14027 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14028 (CONST_OK_FOR_LETTER_P): Delete.
14029 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14030 (EXTRA_CONSTRAINT): Delete.
14031 (EXTRA_MEMORY_CONSTRAINT): Delete.
14032 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14033 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14034 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14035 satisfies_constraint.
14037 * config/i386/i386.c: Include tm-constrs.h.
14039 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14041 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14042 * tree-data-ref.c (find_data_references_in_loop,
14043 compute_data_dependences_for_loop): Use pointers to VEC.
14044 (analyze_all_data_dependences): Adjust calls.
14045 * tree-data-ref.h (find_data_references_in_loop,
14046 compute_data_dependences_for_loop): Adjust declarations.
14047 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14048 compute_data_dependences_for_loop.
14050 2006-03-29 Paul Brook <paul@codesourcery.com>
14052 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14053 (movdf_vfp): Ditto.
14055 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14057 PR tree-optimization/26859
14058 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14060 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14061 for the step after fold_convert.
14063 2006-03-29 Paul Brook <paul@codesourcery.com>
14065 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14066 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14068 2006-03-29 Paul Brook <paul@codesourcery.com>
14070 PR middle-end/23623
14071 * targhooks.c (default_narrow_bitfield): New fuction.
14072 * targhooks.h (default_narrow_bitfield): add prototype.
14073 * target.h (gcc_target): Add narrow_volatile_bitfield.
14074 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14075 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14076 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14077 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14079 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14081 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14083 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14084 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14085 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14086 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14087 (s390_function_arg_float): Allow SDmode and DDmode values to be
14088 passed in floating point registers.
14089 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14090 check with SCALAR_FLOAT_MODE_P.
14091 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14093 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14095 PR tree-optimization/25985
14096 * tree-ssa-loop-niter.c (number_of_iterations_le,
14097 number_of_iterations_ne): Make comments more precise.
14098 (number_of_iterations_cond): Add only_exit argument. Use the
14099 fact that signed variables do not overflow only when only_exit
14101 (loop_only_exit_p): New.
14102 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14103 number_of_iterations_cond.
14105 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14107 PR tree-optimization/26643
14108 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14111 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14113 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14114 (divsi3_i4_int): Likewise.
14116 2006-03-28 Roger Sayle <roger@eyesopen.com>
14118 * expr.c (emit_group_store): Only create a new pseudo reg if the
14119 quantity it needs to hold isn't already a suitable pseudo.
14121 2006-03-28 Jeff Law <law@redhat.com>
14123 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14124 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14126 2006-03-28 Roger Sayle <roger@eyesopen.com>
14128 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14129 the equivalent ~X & Y, and the symmetry related transformations.
14130 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14131 ~X & Y, and symmetry related transforms.
14133 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14135 Revert my 2006-03-27 patches.
14137 2006-03-28 Roger Sayle <roger@eyesopen.com>
14139 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14140 ~(T1)X, when T1 and T2 are integer types of the same precision
14141 and (T2)X isn't an extension.
14143 2006-03-28 Jeff Law <law@redhat.com>
14145 PR tree-optimization/26796
14146 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14147 need EH edge cleanups rather than purging them immediately.
14148 (eliminate_degenerate_phis): Handle queued EH cleanups.
14150 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14152 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14155 2006-03-27 Roger Sayle <roger@eyesopen.com>
14157 PR middle-end/22524
14158 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14159 cast BIT_NOT_EXPR operand to the correct type.
14161 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14163 * tree-loop-linear.c: Don't include varray.h.
14164 (gather_interchange_stats, try_interchange_loops,
14165 linear_transform_loops): Use VEC instead of VARRAY.
14166 * lambda-mat.c: Don't include varray.h.
14167 * tree-chrec.c: Same.
14168 * lambda-trans.c: Same.
14169 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14170 VEC instead of VARRAY.
14171 * tree-vectorizer.h: Idem.
14172 * tree-data-ref.c (dump_data_references,
14173 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14174 initialize_data_dependence_relation, finalize_ddr_dependent,
14175 compute_all_dependences, find_data_references_in_loop,
14176 compute_data_dependences_for_loop, analyze_all_data_dependences,
14177 free_dependence_relation, free_dependence_relations,
14178 free_data_refs): Idem.
14179 * tree-data-ref.h (data_reference_p, subscript_p): New.
14180 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14181 VEC instead of VARRAY.
14182 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14183 (find_data_references_in_loop, compute_data_dependences_for_loop,
14184 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14185 dump_data_dependence_relations, free_dependence_relations,
14186 free_data_refs): Adjust declaration.
14187 (lambda_transform_legal_p): Move declaration here...
14188 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14189 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14190 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14191 vect_analyze_data_refs): Use VEC instead of VARRAY.
14192 * lambda.h (lambda_transform_legal_p): ...from here.
14193 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14194 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14195 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14196 tree-chrec.o): Don't depend on VARRAY_H.
14198 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14200 * rtl.def (Copyright): Update date.
14201 (DEPS_LIST): Change type of the second operand to 'int'.
14202 * target.h (Copyright): Update date.
14203 (struct gcc_target.speculate_insn): Change type of the second parameter
14205 * lists.c (Copyright): Update date.
14206 (alloc_DEPS_LIST): Change signature. Update reference to the second
14207 operand of the DEPS_LIST.
14208 (copy_DEPS_LIST_list): Update reference to the second operand of the
14210 * rtl.h (Copyright): Update date.
14211 (alloc_DEPS_LIST): Update signature.
14212 * sched-int.h (Copyright): Update date.
14213 (ds_t): Change typedef to 'int'.
14214 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14216 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14218 * haifa-sched.c (Copyright): Update date.
14219 (try_ready): Change condition to restore non-speculative pattern
14220 of the instruction.
14221 (process_insn_depend_be_in_spec): Code to keep probability of the
14222 speculative dependence non-decreasing.
14224 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14226 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14227 shut up the compiler.
14229 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14231 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14232 to use lib prefix for target.
14233 ($(T)libic_invalidate_array_4-200.a): Likewise.
14234 ($(T)libic_invalidate_array_4a.a): Likewise.
14236 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14237 J"orn Rennecke <joern.rennecke@st.com>
14239 * superh.opt: New file.
14240 * sh.c (boardtype, osruntime): Remove.
14241 * superh.h (SUBTARGET_OPTIONS): Remove.
14242 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14244 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14245 arguments with ^ and/or [].
14247 * config.gcc (sh-*-*): Add quoting to account for quirk of
14249 Replace == with = in enable_incomplete_targets test.
14251 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14252 with MASK_LITTLE_ENDIAN.
14254 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14255 * config/sh/sh.opt: Added to some comments.
14256 * config/sh/superh.h: Removed some chaff.
14258 * config/sh/sh.opt: Add m4-[1234]00* options.
14259 * config/sh/sh.c (sh_handle_option): Likewise.
14260 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14261 (ic_invalidate_array_4-100.o): New rule.
14262 ($(T)libic_invalidate_array_4-100.a): Likewise.
14263 (ic_invalidate_array_4-200.o): Likewise.
14264 ($(T)libic_invalidate_array_4-200.a): Likewise.
14265 (ic_invalidate_array_4a.o): Likewise.
14266 ($(T)libic_invalidate_array_4a.a): Likewise.
14267 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14268 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14270 * config/sh/crt1.asm: Merged in profiling code.
14271 * config/sh/superh.h (STARTFILE_SPEC): Override.
14272 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14273 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14274 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14276 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14277 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14278 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14280 * sh.opt (mpretend-cmove): New option.
14281 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14282 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14283 (movsicc): Add TARGET_PRETEND_CMOVE code.
14285 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14287 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14288 s390_class_max_nregs): New function prototypes.
14289 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14290 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14291 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14292 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14294 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14296 * dwarf2out.c (add_location_or_const_value_attribute): Call
14297 tree_add_const_value_attribute if nothing else works.
14298 (reference_to_unused): New.
14299 (rtl_for_decl_init): Use reference_to_unused to decide whether
14300 to output an initializer.
14302 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14305 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14306 peephole removing spe frob_di_df_2.
14308 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14310 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14311 (subscript_dependence_tester_1): Declared.
14312 (print_dir_vectors, print_dist_vectors): New.
14313 (debug_data_dependence_relation): New.
14314 (dump_data_dependence_relation): Print more details.
14315 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14316 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14317 (save_dist_v, save_dir_v, add_outer_distances,
14318 build_classic_dist_vector_1): New.
14319 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14320 Don't test for lambda_vector_lexico_pos.
14321 (same_access_functions, add_multivariate_self_dist,
14322 add_other_self_distances, dir_from_dist): New.
14323 (build_classic_dir_vector): Replace implementation almost identical to
14324 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14326 (subscript_dependence_tester_1): New.
14327 (subscript_dependence_tester): Handle the lexicographically negative
14328 distance vectors by recomputing the dependence relation.
14329 (compute_affine_dependence): Remove parameter loop_nest_depth.
14330 (compute_self_dependence): Don't call compute_subscript_distance.
14331 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14332 Add a parameter for the loop_nest.
14333 (find_loop_nest_1, find_loop_nest): New.
14334 (compute_data_dependences_for_loop): Compute the loop nest, and give
14335 up if the nest is not well formed.
14336 * tree-data-ref.h (loop_p): New.
14337 (struct data_dependence_relation): Replace size_vect field with
14338 loop_nest, a vec of loops.
14339 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14340 (DDR_LOOP_NEST): New.
14341 (print_dir_vectors, print_dist_vectors,
14342 debug_data_dependence_relation): Declared.
14343 (index_in_loop_nest): New.
14344 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14345 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14348 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14350 * simplify-rtx.c (simplify_relational_operation): Call
14351 simplify_relational_operation_1 even if mode is VOIDmode.
14353 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14355 PR tree-optimization/26804
14356 * tree.h (DECL_CALL_CLOBBERED): New macro.
14357 (tree_decl_common): Add call_clobbered_flag.
14358 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14359 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14360 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14361 (mark_non_addressable): Ditto.
14362 * tree-ssa.c (verify_call_clobbered): New function.
14363 (verify_alias_info): Use it.
14364 * tree-pass.h (pass_reset_cc_flags): New prototype.
14365 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14366 (reset_cc_flags): New function.
14367 * passes.c (init_optimization_passes): Call reset_cc_flags after
14368 initializing referenced_vars.
14370 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14371 Roger Sayle <roger@eyesopen.com>
14373 PR middle-end/26717
14374 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14375 to 1.0 for non-real operands. Implement A / A optimization for
14378 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14380 * config/i386/i386.c (size_cost): Correct the comment for
14381 cost of storing fp registers.
14382 (i386_cost): Likewise.
14383 (i486_cost): Likewise.
14384 (pentium_cost): Likewise.
14385 (pentiumpro_cost): Likewise.
14386 (k6_cost): Likewise.
14387 (athlon_cost): Likewise.
14388 (k8_cost): Likewise.
14389 (pentium4_cost): Likewise.
14390 (nocona_cost): Likewise.
14391 (generic64_cost): Likewise.
14392 (generic32_cost): Likewise.
14394 2006-03-24 Denis Chertykov <denisc@overta.ru>
14396 * config/avr/avr-protos.h (extra_constraint): Delete.
14397 (extra_constraint_Q): New declaration.
14398 * config/avr/constraints.md: New file.
14399 * config/avr/avr.md: Include it.
14400 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14401 (TMP_REGNO, ZERO_REGNO): Likewise.
14402 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14403 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14404 (extra_constraint): Delete.
14405 (extra_constraint_Q): Test for memory constraint 'Q'.
14406 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14407 (REG_CLASS_FROM_LETTER): Delete.
14408 (CONST_OK_FOR_LETTER_P): Delete.
14409 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14410 (EXTRA_CONSTRAINT): Delete.
14411 (TMP_REGNO): Delete.
14412 (ZERO_REGNO): Delete.
14414 2006-03-24 Jeff Law <law@redhat.com>
14416 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14417 directly. Call mark_new_vars_to_rename slightly earlier.
14419 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14421 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14422 (is_cxx): Likewise.
14423 (gen_compile_unit_die): Use new language types for Objective-C and
14425 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14426 DW_LANG_C_plus_plus.
14429 * config/t-darwin (crt3.o): Work around bug 26840.
14430 * config/darwin-crt3.c: Rewrite.
14431 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14433 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14435 * doc/invoke.texi: Document -femit-class-debug-always
14436 * common.opt: Add -femit-class-debug-always.
14438 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14440 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14441 index and base register.
14442 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14443 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14444 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14445 REGNO_OK_FOR_INDEX_P.
14446 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14448 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14449 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14450 REG_OK_FOR_BASE_P): Definitions removed.
14452 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14454 PR middle-end/26611
14455 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14456 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14457 set yet or weren't marked as local yet.
14459 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14461 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14464 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14466 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14467 (rs6000_legitimate_small_data_p): Delete.
14468 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14469 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14470 and make static. Add forward declaration. Update uses.
14471 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14472 of offsettable_memref_p.
14473 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14474 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14476 2006-03-24 Jeff Law <law@redhat.com>
14478 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14479 around bug in immediate-use iterator.
14481 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14484 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14485 or __LITTLE_ENDIAN__.
14487 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14489 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14490 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14491 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14492 * config/sh/sh.opt (mdiv=): Amend description.
14493 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14494 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14495 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14496 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14497 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14498 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14499 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14500 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14501 TARGET_DIVIDE_CALL_FP.
14503 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14505 * haifa-sched.c (choose_ready): Fix type of the local variable.
14506 Move local variables. Add comment.
14507 (check_reg_live): Change signature. Make callable from debugger.
14508 * sched-int.h (check_reg_live): Update signature.
14509 * sched-ebb.c (check_reg_live): Update parameters.
14510 * sched-rgn.c (check_reg_live): Ditto.
14511 (region_head_or_leaf_p): Check pointer before dereferencing.
14512 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14513 before reload on optimization levels below 1.
14515 2006-03-23 Richard Henderson <rth@redhat.com>
14517 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14521 * config/alpha/predicates.md (local_symbolic_operand): Reject
14524 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14527 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14528 expressions which have overflowed constants.
14530 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14532 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14534 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14536 * cfgloopmanip.c (create_loop_notes): Removed.
14537 * final.c (final_scan_insn): Do not handle loop notes.
14538 * jump.c (squeeze_notes): Ditto.
14539 * cfglayout.c (skip_insns_after_block,
14540 duplicate_insn_chain): Ditto.
14541 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14543 * cfgloop.h (create_loop_notes): Declaration removed.
14545 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14547 * varasm.c (output_constant_pool): Restore fnname and fndecl
14549 (assemble_start_function): Adjust call accordingly.
14550 (assemble_end_function): Likewise.
14552 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14555 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14558 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14560 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14563 * system.h (ICE_EXIT_CODE): New macro.
14564 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14565 (diagnostic_action_after_output): Likewise.
14566 * gcc.c (fatal_ice): New function.
14567 (execute): Use it instead of fatal.
14568 (fancy_abort): Likewise.
14569 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14571 2006-03-22 Jeff Law <law@redhat.com>
14573 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14574 iv_analyze_result returning false.
14576 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14578 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14580 2006-03-22 Richard Henderson <rth@redhat.com>
14582 PR middle-end/26084
14583 * except.c (duplicate_eh_regions_0): New.
14584 (duplicate_eh_region_1): Duplicate the children of the node as
14585 well as the node itself. Link them up properly.
14586 (duplicate_eh_region_2): Merge into ...
14587 (duplicate_eh_regions): ... here. Take copy_region argument, and
14588 copy only a sub-tree if asked. Simplify copying and fixup.
14589 (eh_region_outer_p): New.
14590 * except.h (duplicate_eh_regions): Update decl.
14591 (eh_region_outer_p): Declare.
14592 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14593 (lower_omp_master): Likewise.
14594 (lower_omp_ordered): Likewise.
14595 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14596 (move_stmt_r): Use it to remap labels. Handle recursion vs
14597 remap_decls_p properly.
14598 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14599 (find_outermost_region_in_block): New.
14600 (new_label_mapper): New.
14601 (move_sese_region_to_fn): Copy eh information to the new function
14603 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14605 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14608 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14610 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14611 into shared libraries.
14613 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14615 * doc/md.texi: Refer to i386/constraints.md instead of
14616 i386/predicates.md.
14617 * config/i386/constraints.md: New file, extracted from...
14618 * config/i386/predicates.md: ...here.
14619 * config/i386/i386.md: Include constraints.md.
14621 2006-03-21 Jason Merrill <jason@redhat.com>
14623 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14625 PR middle-end/20297
14626 * expr.c (init_block_move_fn): Force default visibility.
14627 (init_block_clear_fn): Likewise.
14628 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14629 * targhooks.c (default_external_stack_protect_fail): Likewise.
14631 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14633 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14634 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14635 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14636 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14637 (loadgp): Use mips_current_loadgp_style.
14638 (loadgp_noshared): New pattern.
14639 (sibcall_internal): Use MIPS_CALL.
14640 (sibcall_value_internal): Likewise.
14641 (sibcall_value_multiple_internal): Likewise.
14642 (call_internal): Likewise.
14643 (call_value_internal): Likewise.
14644 (call_value_multiple_internal): Likewise.
14645 (call_split): Use MIPS_CALL and add an 'S' constraint.
14646 (call_value_split): Likewise.
14647 (call_value_multiple_split): Likewise.
14648 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14649 (-mshared): New option.
14650 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14651 (mips_current_loadgp_style): Declare.
14652 * config/mips/mips.c (mips_classify_symbol): Avoid using
14653 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14654 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14655 TARGET_ABSOLUTE_ABICALLS.
14656 (override_options): Adjust comments. Improve the warning that is
14657 issued when -mabicalls and -G are used together.
14658 (mips_file_start): Remove comment.
14659 (mips_current_loadgp_style): New function.
14660 (mips_gnu_local_gp): New variable.
14661 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14663 (mips_output_function_prologue): Use mips_current_laodgp_style.
14664 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14665 the cprestore instruction.
14666 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14667 live for TARGET_ABSOLUTE_ABICALLS.
14668 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14669 (ASM_SPEC): Pass down -mshared and -mno-shared.
14670 (MIPS_CALL): New macro.
14671 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14673 * doc/invoke.texi (-mabicalls): Update documentation.
14674 (-mshared): Document.
14676 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14678 * config/ia64/unwind-hpux.c: New file.
14679 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14681 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14684 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14686 2006-03-21 Jeff Law <law@redhat.com>
14688 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14689 type conversions of a VR_VARYING source to a wider type.
14691 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14693 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14694 tm_file on Solaris 10 and later.
14695 (sparc64-*-solaris2*): Likewise.
14696 (sparc-*-solaris2*): Likewise.
14697 * config/sol26.h: Rename to config/sol2-6.h.
14698 * config/sol2-10.h: New file.
14700 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14703 * tree-ssa-pre.c (create_component_ref_by_pieces):
14706 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14709 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14710 return it immediately.
14712 2006-03-21 Michael Matz <matz@suse.de>
14714 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14716 (remove_arc, add_arc): Update num_out_arcs member.
14717 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14719 (cache_presence): New function.
14720 (compare_states_for_equiv): New function.
14721 (state_is_differed): Don't take number of outargs, adjust callers.
14722 Use new invariant for speeding up.
14723 (init_equiv_class): Create initial classes based on sorted
14725 (partition_equiv_class): Don't track out_arcs_num.
14726 (evaluate_equiv_classes): Call cache_presence on all states and
14729 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14731 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14732 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14733 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14734 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14736 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14737 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14738 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14739 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14740 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14742 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14743 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14744 (REGNO_REG_CLASS): ARGP is in PREGS.
14745 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14747 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14748 to deal with those addresses.
14749 * addresses.h: New file.
14750 * caller-save.c: Include "addresses.h".
14751 (init_caller_save): Use new base_reg_class function.
14752 * rtl-factoring.c: Include "addresses.h".
14753 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14754 * recog.c: Include "addresses.h".
14755 (preprocess_constraints): Use new base_reg_class function.
14756 * regrename.c: Include "addresses.h".
14757 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14758 functions. Keep track of a new var INDEX_CODE to compute valid
14760 (replace_oldest_value_addr): Likewise.
14761 (replace_oldest_value_mem): Use base_reg_class.
14762 * reload.c: Include "addresses.h".
14763 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14764 (find_reloads): Use new base_reg_class function.
14765 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14766 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14767 all callers and prototype changed.
14768 * reload1.c: Include "addresses.h".
14769 (maybe_fix_stack_asms): Use base_reg_class.
14770 * regclass.c: Include "addresses.h".
14771 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14772 (init_reg_autoinc): Use new base_reg_class function.
14773 (record_reg_classes): Likewise.
14774 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14775 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14776 Use new args to compute necessary class.
14778 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14779 regrename.o, rtl-factoring.o): Update dependencies.
14780 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14781 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14782 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14783 REG_OK_FOR_INDEX_P): Delete documentation.
14785 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14787 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14788 from V7 to V9 for Solaris 7 and above.
14790 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14792 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14793 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14794 argument pointers may not alias any other storage.
14795 * common.opt: Define option -fargument-noalias-anything.
14796 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14797 alias semantics is specified by flag_argument_noalias > 2.
14799 2006-03-20 Jeff Law <law@redhat.com>
14801 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14802 (pass_phi_only_cprop): Declare.
14803 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14804 with phi_only_cprop
14805 * tree-ssa-dom.c (degenerate_phi_result): New function.
14806 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14807 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14808 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14809 (eliminate_degenerate_phis): Likewise.
14810 (pass_phi_only_cprop): New pass descriptor.
14811 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14812 support code. Callers updated.
14813 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14814 (store_copy_prop): Likewise.
14815 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14817 2006-03-20 Jason Merrill <jason@redhat.com>
14820 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14821 (push_visibility, pop_visibility): Likewise.
14822 * c-pragma.h: Declare them.
14824 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14826 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14828 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14829 parameter and use get_ebb_head_tail.
14830 (sh_md_init_global): Adjust uses of find_regmode_weight.
14832 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14834 * function.h (struct function) <x_tail_recursion_reentry>:
14835 Rename to x_stack_check_probe_note.
14836 (tail_recursion_reentry): Rename to stack_check_probe_note.
14837 * function.c: Replace tail_recursion_reentry with
14838 stack_check_probe_note everywhere.
14839 (expand_function_start): Only emit a note for
14840 stack_check_probe_note with -fstack-protect.
14841 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14843 * emit-rtl.c (remove_unnecessary_notes): Remove.
14844 (pass_remove_unnecessary_notes): Remove.
14845 * rtl.h (remove_unnecessary_notes): Remove prototype.
14846 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14847 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14848 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14850 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14853 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14854 (valid_in_set): Handle ARRAY_REF.
14855 Change "if min_variant or VH" to asserts.
14856 (create_component_ref_by_pieces): Handle ARRAY_REF.
14857 (create_expression_by_pieces): Likewise.
14858 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14860 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14862 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14863 is operand of switch, not str[0].
14865 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14867 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14868 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14870 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14872 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14873 end of insn_extra_address_constraint declaration.
14875 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14877 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14878 (no-sum-in-toc): Same.
14879 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14881 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14882 NO_FP_IN_TOC for -fPIC instead of mask.
14884 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14885 (BOOT_LDFLAGS): Delete.
14887 * config/rs6000/t-aix52: Same.
14889 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14890 (stmsi[345678]_power): New.
14892 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14894 * config/ia64/ia64.opt: Add empty line to end of file.
14896 2006-03-17 Richard Guenther <rguenther@suse.de>
14898 PR middle-end/26721
14899 * builtins.c (get_pointer_alignment): For component style references
14900 adjust alignment to the component type alignment. Make sure
14901 to adjust alignment for component access of constants.
14903 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14905 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14906 unconditional jump.
14908 2006-03-17 Paul Brook <paul@codesourcery.com>
14910 * doc/install.texi: Docuemnt --with-mode.
14911 * config.gcc: Add --with-mode for arm*-*-*.
14912 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14914 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14916 * sh.c (max_labelno_before_reorg): New variable.
14917 (sh_reorg): Initialize it.
14918 (find_barrier): Check max_labelno_before_reorg before using
14919 label_to_alignment. Take length of explicit alignment insns
14920 into account. When seeing a UNSPECV_CONST_END, return it.
14922 * sh.c (fixup_mova): Set mode of affected label to QImode.
14923 (untangle_mova): New function.
14924 (find_barrier): Use it. Check mode of label before decrementing
14926 (sh_reorg): Likewise.
14927 Set mode of all insns back to VOIDmode.
14929 * sh.c (MOVA_LABELREF): New macro.
14930 (mova_p, fixup_mova, sh_reorg): Use it.
14931 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14932 ADDR_DIFF_VEC matches mova.
14934 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14936 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14937 with ATTRIBUTE_UNUSED.
14939 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14941 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14942 pointer, instead of assuming it is possible to derive the
14943 correct args size from a call insn.
14945 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14947 * rtl.h (CONST_INT_P): Define.
14948 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14949 instead of GET_CODE(x) == CONST_INT.
14950 (vax_rtx_costs): Likewise.
14951 (vax_output_int_move): Likewise.
14952 (vax_output_int_add): Likewise.
14953 (legitimate_constant_address_p): Likewise.
14954 (index_term_p): Likewise.
14955 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14956 * config/vax/vax.md (and<mode>3): Likewise.
14957 (ashrsi3): Likewise.
14959 (movstricthi): Likewise.
14960 (movstrictqi): Likewise.
14961 (rotrsi3): Likewise.
14962 (five unnamed insns): Likewise.
14964 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14966 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14967 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14968 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14969 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14970 Pass to ASM_OUTPUT_DWARF_OFFSET.
14971 * dwarf2out.c (debug_frame_section): New.
14972 (output_call_frame_info): Use debug_frame_section. Pass it to
14973 dw2_asm_output_offset.
14974 (output_die): Pass appropriate section to dw2_asm_output_offset.
14975 (output_compilation_unit_header): Likewise.
14976 (output_pubnames): Likewise.
14977 (output_aranges): Likewise.
14978 (enum dw_val_class): Break dw_val_class_lbl_offset into
14979 dw_val_class_lineptr and dw_val_class_macptr.
14980 (add_AT_lbl_offset): Delete.
14981 (add_AT_lineptr): New.
14982 (add_AT_macptr): New.
14983 (AT_lbl): Expect a lineptr or macptr.
14984 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14985 (attr_checksum): Likewise.
14986 (same_dw_val_p): Likewise.
14987 (size_of_die): Likewise.
14988 (value_format): Likewise.
14989 (output_die): Likewise.
14990 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14992 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14993 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14994 * config/darwin-protos.h (darwin_file_start): New.
14995 (darwin_asm_output_dwarf_offset): New.
14996 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14997 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14999 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15000 if not EH section; simplify.
15001 (darwin_file_start): New.
15002 (darwin_asm_output_dwarf_offset): New.
15003 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15005 (DEBUG_INFO_SECTION): Likewise.
15006 (DEBUG_ABBREV_SECTION): Likewise.
15007 (DEBUG_ARANGES_SECTION): Likewise.
15008 (DEBUG_MACINFO_SECTION): Likewise.
15009 (DEBUG_LINE_SECTION): Likewise.
15010 (DEBUG_LOC_SECTION): Likewise.
15011 (DEBUG_PUBNAMES_SECTION): Likewise.
15012 (DEBUG_STR_SECTION): Likewise.
15013 (DEBUG_RANGES_SECTION): Likewise.
15014 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15015 (ASM_OUTPUT_DWARF_OFFSET): New.
15017 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15019 * config.gcc (tm_defines): Always add to previous value rather
15022 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15024 * config/mips/predicates.md (splittable_const_int_operand): New,
15025 split from move_operand.
15026 (splittable_symbolic_operand): New.
15027 (move_operand): Add commentary. Use splittable_const_int_operand.
15028 Inline mips_atomic_symbolic_constant_p.
15029 * config/mips/mips.md: Add combine splitters for handling moves
15030 of splittable_const_int_operands and splittable_symbolic_operands.
15031 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15032 (mips_split_symbol): Declare.
15033 (mips_move_integer): Declare.
15034 * config/mips/mips.c (mips_split_p): Make global.
15035 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15036 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15037 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15038 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15039 (mips_offset_within_object_p): Handle block symbols.
15040 (mips_atomic_symbolic_constant_p): Delete.
15041 (mips_cannot_force_const_mem): Return false for constants that
15042 mips_legitimize_move can handle.
15043 (mips_use_blocks_for_constant_p): New function.
15044 (mips_split_symbol): Make global.
15045 (mips_move_integer): Likewise. Add a temporary register argument.
15046 (mips_legitimize_const_move): Use splittable_const_int_operand and
15047 splittable_symbolic_operand.
15048 (mips_use_anchors_for_symbol_p): New function.
15049 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15050 (mips_split_p): Declare.
15052 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15054 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15055 (mips*-*-linux*): Likewise.
15057 2006-03-16 Roger Sayle <roger@eyesopen.com>
15058 Daniel Speyer <dspeyer@wam.umd.edu>
15060 PR middle-end/18259
15061 * tree-dump.c (dump_real): New function.
15062 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15063 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15064 (tree-dump.o): Add $(REAL_H) to the dependencies.
15066 2006-03-16 Roger Sayle <roger@eyesopen.com>
15068 PR middle-end/21781
15069 * real.c (real_from_string): If the mantissa is zero, don't bother
15070 parsing the exponent as the result should always be zero.
15072 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15074 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15076 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15078 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15079 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15080 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15081 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15082 ia64_sched_finish_global): New static functions to implement
15083 hooks from gcc_target.sched.
15084 (spec_check_no, max_uid, pending_data_specs): New static variables.
15085 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15086 ia64_spec_check_src_p): New static functions.
15087 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15088 (TARGET_SCHED_ADJUST_COST): Removed.
15089 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15090 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15091 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15092 TARGET_SCHED_GEN_CHECK,
15093 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15094 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15095 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15096 Fixed to handle speculation checks.
15097 (rtx_needs_barrier): Fixed to handle speculative loads and
15099 (ia64_variable_issue): Added code to count speculative loads and their
15101 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15103 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15105 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15107 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15108 (ia64_reorg): Reset stops_p to NULL after it is freed.
15109 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15110 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15111 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15113 (data_speculative, control_speculative, check_load): New attributes.
15114 (mov<mode>_advanced, mov<mode>_speculative,
15115 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15116 zero_extend<mode>di2_speculative,
15117 zero_extend<mode>di2_speculative_advanced): New patterns for
15118 data and control speculative loads.
15119 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15121 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15122 New pattern for data and control speculation checks.
15123 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15124 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15125 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15126 Auxiliary definitions for the patterns.
15127 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15128 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15130 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15132 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15133 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15134 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15135 New resource constraints.
15136 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15138 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15139 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15140 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15141 msched-in-control-spec, msched-ldc, msched-control-ldc,
15142 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15143 msched-prefer-non-control-spec-insns,
15144 msched-count-spec-in-critical-path): New flags to tune speculative
15146 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15147 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15148 msched-in-control-spec, msched-ldc, msched-control-ldc,
15149 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15150 msched-prefer-non-control-spec-insns,
15151 msched-count-spec-in-critical-path): Document new flags.
15153 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15155 * target.h (struct spec_info_def): New opaque declaration.
15156 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15157 speculate_insn, needs_block_p, gen_check,
15158 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15159 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15160 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15161 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15162 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15163 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15165 (TARGET_SCHED): Use new macros.
15166 * rtl.h (copy_DEPS_LIST_list): New prototype.
15167 * sched-int.h (struct sched_info): Change signature of new_ready field,
15168 adjust all initializations. New fields: add_remove_insn,
15169 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15170 region_head_or_leaf_p.
15171 (struct spec_info_def): New structure declaration.
15172 (spec_info_t): New typedef.
15173 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15174 recovery_block, orig_pat.
15175 (glat_start, glat_end): New variables declaraions.
15176 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15178 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15179 DETACH_LIFE_INFO, USE_GLAT.
15180 (enum SPEC_SCHED_FLAGS): New enumeration.
15181 (NOTE_NOTE_BB_P): New macro.
15182 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15183 attach_life_info, debug_spec_status, check_reg_live): New functions.
15184 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15185 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15187 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15188 * ddg.c (get_block_head_tail): Adjust all uses.
15189 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15190 (sms_sched_info): Initialize new fields.
15191 (contributes_to_priority): Removed.
15192 * haifa-sched.c (params.h): New include.
15193 (get_block_head_tail): Adjust all uses.
15194 (ISSUE_POINTS): New macro.
15195 (glat_start, glat_end): New global variables.
15196 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15197 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15198 old_last_basic_block, before_recovery, current_sched_info_var,
15199 rgn_n_insns, luid): New static variables.
15200 (insn_cost1): New function. Move logic from insn_cost to here.
15201 (find_insn_reg_weight1): New function. Move logic from
15202 find_insn_reg_weight to here.
15203 (reemit_notes, move_insn, max_issue): Change signature.
15204 (move_insn1): Removed.
15205 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15206 extend_bb): New static functions to support extension of scheduler's
15208 (generate_recovery_code, process_insn_depend_be_in_spec,
15209 begin_speculative_block, add_to_speculative_block,
15210 init_before_recovery, create_recovery_block, create_check_block_twin,
15211 fix_recovery_deps): New static functions to support
15212 generation of recovery code.
15213 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15214 restore_bb_notes, move_block_after_check, move_succs): New static
15215 functions to support ebb scheduling.
15216 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15217 functions to support handling of register live information.
15218 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15219 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15220 add_jump_dependencies): New static functions.
15221 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15222 consistancy checking.
15223 (debug_spec_status): New function to call from debugger.
15224 (priority): Added code to handle speculation checks.
15225 (rank_for_schedule): Added code to distinguish speculative instructions.
15226 (schedule_insn): Added code to handle speculation checks.
15227 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15228 Fixed to handle ebbs.
15229 (move_insn): Added code to handle ebb scheduling.
15230 (max_issue): Added code to use ISSUE_POINTS of instructions.
15231 (choose_ready): Added code to choose between speculative and
15232 non-speculative instructions.
15233 (schedule_block): Added code to handle ebb scheduling and scheduling of
15234 speculative instructions.
15235 (sched_init): Initialize new variables.
15236 (sched_finish): Free new variables. Print statistics.
15237 (try_ready): Added code to handle speculative instructions.
15238 * lists.c (copy_DEPS_LIST_list): New function.
15239 * sched-deps.c (extend_dependency_caches): New function. Move logic
15240 from create_dependency_caches to here.
15241 (get_dep_weak, ds_merge): Make global.
15242 * genattr.c (main): Code to output prototype for
15243 dfa_clear_single_insn_cache.
15244 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15245 (output_dfa_clean_insn_cache_func): Code to output
15246 dfa_clear_single_insn_cache function.
15247 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15249 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15251 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15252 New static variables.
15253 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15254 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15256 (ebb_sched_info): Initialize new fields.
15257 (get_block_head_tail): Adjust all uses.
15258 (compute_jump_reg_dependencies): Fixed to use glat_start.
15259 (schedule_ebb): Code to remove unreachable last block.
15260 (schedule_ebbs): Added code to update register live information.
15261 * sched-rgn.c (region_sched_info): Initialize new fields.
15262 (get_block_head_tail): Adjust all uses.
15263 (last_was_jump): Removed. Adjust users.
15264 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15265 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15266 Implement new hooks.
15267 (check_dead_notes1): New static function.
15268 (struct region): New fields: dont_calc_deps, has_real_ebb.
15269 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15270 (BB_TO_BLOCK): Fixed to handle EBBs.
15271 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15272 (ebb_head): New static variable.
15273 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15274 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15276 (compute_dom_prob_ps): New assertion.
15277 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15278 global_live_at_start.
15279 (init_ready_list): New assertions.
15280 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15281 (new_ready): Add support for BEGIN_CONTROL speculation.
15282 (schedule_insns): Fixed code that updates register live information
15284 (schedule_region): Fixed to handle EBBs.
15285 (init_regions): Use extend_regions and check_dead_notes1.
15286 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15287 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15288 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15289 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15290 TARGET_SCHED_GEN_CHECK,
15291 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15292 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15293 * doc/invoke.texi (max-sched-insn-conflict-delay,
15294 sched-spec-prob-cutoff): Document.
15296 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15298 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15299 inter_tick, queue_index.
15300 (struct sched_info): Change signature of init_ready_list field.
15301 Adjust all initializations.
15302 (RESOLVED_DEPS): New access macro.
15303 (ready_add): Remove prototype.
15304 (try_ready): Add prototype.
15305 * sched-rgn.c (init_ready_list): Use try_ready.
15306 (schedule_region): Initialize
15307 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15308 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15309 (init_ready_list): Use try_ready.
15310 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15311 * lists.c (remove_list_elem): Remove `static'.
15312 (remove_free_INSN_LIST_elem): New function.
15313 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15314 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15315 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15317 (readyp): New variable.
15318 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15319 change_queue_index, resolve_dep): New static functions.
15320 (try_ready): New function. Adjust callers in sched-rgn.c and
15321 sched-ebb.c to use it instead of ready_add.
15322 (clock_var): Move at the begining of file.
15323 (rank_for_schedule): Fix typo.
15324 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15325 (ready_lastpos): Enforce assertion.
15326 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15327 update all callers.
15328 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15329 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15330 (queue_to_ready): Use free_INSN_LIST_list.
15331 (early_queue_to_ready): Fix typo.
15332 (schedule_block): Init readyp. Move init_ready_list call after the
15333 initialization of clock_var. Fix error in rejecting insn by
15334 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15335 that previously corrected INSN_TICKs. Add code for handling
15337 (set_priorities): Fix typo.
15338 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15339 Clarify comment and code that keeps current_sched_info->next_tail
15342 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15344 * sched-rgn.c (extend_rgns): New static function.
15345 (find_rgns): Use it.
15346 (gather_region_statistics, print_region_statistics): New static
15348 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15349 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15351 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15352 Andrey Belevantsev <abel@ispras.ru>
15354 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15355 * lists.c (unused_deps_list): New variable.
15356 (free_list): Add assertions to verify the proper distinguishing
15357 between INSN_LISTs and DEPS_LISTs.
15358 (find_list_elem, remove_list_elem, remove_list_node): New static
15360 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15361 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15362 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15363 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15365 (free_INSN_LIST_node): Likewise.
15366 * modulo-sched.c (current_sched_info): Initialize flags field.
15367 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15368 * rtl.def (DEPS_LIST): Define.
15369 * rtl.h: Declare new functions from lists.c.
15370 * sched-deps.c (spec_dependency_cache): New static variable.
15371 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15372 (add_dependence): Change return type to void. Move the logic to ...
15373 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15374 (delete_all_dependences): Add comment about forward_dependency_cache.
15375 Handle spec_dependency_cache. Handle DEPS_LISTs.
15376 (fixup_sched_groups): Clarify the change of priority of output
15377 and anti dependencies.
15378 (sched_analyze_2): Adjust add_dependence calls to create data
15379 speculative dependence.
15380 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15381 Adjust all callers. Handle DEPS_LISTS.
15382 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15383 presence of speculation.
15384 (init_dependency_caches, free_dependency_caches):
15385 Handle spec_dependency_cache.
15386 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15387 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15388 New static functions.
15389 (add_or_update_back_dep, add_or_update_back_forw_dep,
15390 add_back_forw_dep, delete_back_forw_dep): New functions.
15391 * sched-int.h (ds_t, dw_t): New typedefs.
15392 (struct sched_info): Add new field flags.
15393 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15394 Prototype new sched-deps.c functions.
15395 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15396 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15397 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15398 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15399 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15400 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15402 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15404 * sched-rgn.c (current_sched_info): Initialize flags field.
15405 (schedule_insns): Initialize current_sched_info before the sched_init
15407 * sched-ebb.c (current_sched_info): Initialize flags field.
15408 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15409 Call add_or_update_back_dep instead of add_dependence.
15410 Create control speculative dependencies.
15411 (schedule_insns): Initialize current_sched_info before the sched_init
15414 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15416 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15418 (sh_fallback_frame_state): Likewise.
15420 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15422 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15423 Do switch on default_use_cxa_atexit.
15424 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15425 * config/darwin-crt3.o: New.
15426 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15427 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15428 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15430 * config/rs6000/t-darwin: Move crt2.o building to here.
15431 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15432 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15435 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15437 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15438 from '! xxx' to '!xxx' for coding-style conformance.
15439 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15440 (EXTRA_CONSTRAINT): Likewise.
15441 * config/vax/vax.md (four unnamed insns): Likewise.
15443 2006-03-15 Paul Brook <paul@codesourcery.com>
15445 * config/arm/arm.c (minipool_pad): New.
15446 (add_minipool_forward_ref): Include pool alignment padding in address
15448 (push_minipool_fix): Set minipool_pad.
15449 (minipool_pad): Ditto.
15451 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15453 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15454 instead of GET_CODE() == MEM and REG_P() instead of
15456 (print_operand_address): Likewise.
15457 (vax_address_cost): Likewise.
15458 (vax_rtx_costs): Likewise.
15459 (vax_notice_update_cc): Likewise.
15460 (vax_output_int_add): Likewise.
15461 (INDEX_REGISTER_P): Likewise.
15462 (BASE_REGISTER_P): Likewise.
15463 (nonindexed_address_p): Likewise.
15464 (vax_mode_dependent_address_p): Likewise.
15465 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15466 (PRINT_OPERAND): Likewise.
15467 * config/vax/vax.md (ashlsi3): Likewise.
15468 (ashlsi3): Likewise.
15469 (some more unnamed insns): Likewise.
15471 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15473 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15474 iterator-style macro.
15475 (mark_control_dependent_edges_necessary): Update the use of
15476 EXECUTE_IF_CONTROL_DEPENDENT.
15478 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15480 * config/sh/predicates.md (cache_address_operand): Special.
15481 (ua_address_operand): Likewise.
15483 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15485 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15487 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15489 2006-03-15 Andreas Schwab <schwab@suse.de>
15491 * gensupport.c (identify_predicable_attribute): Don't free p_false
15492 when it is still in use.
15494 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15496 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15497 the default setting here.
15499 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15501 * tree-pass.h (pass_cfg): Remove.
15502 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15503 * passes.c (pass_cfg): Don't run it.
15505 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15507 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15508 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15510 (stack_regs_mentioned): Update the uses of
15511 stack_regs_mentioned_data. Don't access the array beyond its
15513 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15514 Don't include gt-reg-stack.h.
15516 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15517 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15519 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15521 PR middle-end/26684
15522 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15525 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15527 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15529 2006-03-14 Richard Guenther <rguenther@suse.de>
15531 PR tree-optimization/26672
15532 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15535 2006-03-14 Richard Guenther <rguenther@suse.de>
15537 PR tree-optimization/26667
15538 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15539 node for the callees. Always allow inlining if it will shrink
15542 2006-03-14 Richard Guenther <rguenther@suse.de>
15544 PR middle-end/26659
15545 * builtins.c (get_pointer_alignment): Prefer alignment
15546 information from decls over that from types.
15548 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15551 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15553 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15555 * config/rs6000/rs6000.opt (mdlmzb): New option.
15556 (msched-prolog, msched-epilog): Use Var not Mask.
15557 * doc/invoke.texi (-mdlmzb): Document.
15558 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15560 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15561 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15563 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15565 PR rtl-optimization/25739
15566 * bt-load.c (augment_live_range): Free tos pointer.
15568 * gensupport.c (identify_predicable_attribute): Free
15570 * gcov.c (create_file_names): Free name pointer.
15572 2006-03-13 Roger Sayle <roger@eyesopen.com>
15574 PR middle-end/26557
15575 * stmt.c (emit_case_nodes): Handle the case where the index is a
15576 CONST_INT, where the comparison mode is specified by the index type.
15578 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15580 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15583 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15585 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15586 (*branch_fp_inverted): Likewise.
15588 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15590 PR middle-end/25989
15591 * omp-low.c (expand_omp_for_generic): Mark istart0
15592 and iend0 as addressable.
15594 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15596 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15598 2006-03-13 Jeff Law <law@redhat.com>
15600 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15601 virtual operands are interesting.
15602 (vrp_visit_stmt): Corresponding changes.
15604 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15606 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15608 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15609 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15610 * config/bfin/crti.S: Use it instead of __PIC__.
15611 * config/bfin/crtn.S: Likewise.
15613 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15614 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15616 Lose 'G' modifier for call operand.
15617 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15618 recognize 'G' modifier.
15620 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15622 PR middle-end/18859
15623 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15624 * stmt.c (expand_case): Likewise.
15626 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15628 PR rtl-optimization/26254
15629 * loop-invariant.c (seq_insns_valid_p): New function.
15630 (move_invariant_reg): Only emit new code if it is valid.
15632 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15634 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15636 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15637 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15638 (commit_one_edge_insertion): Do not look for loop notes.
15640 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15642 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15643 flag_test_coverage out of loop.
15645 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15647 * final.c (shorten_branches): Remove outdated comment, and turn
15648 the if branch that guards it to continue.
15650 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15652 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15653 * cfgloop.h (struct loop): Remove unused fields.
15655 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15657 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15658 (-dL, -fdump-rtl-loop2): Update the dump file names
15660 * doc/invoke.texi: Update dump file names.
15662 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15664 * predict.c (estimate_probability): Remove.
15665 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15666 * basic-block.h (estimate_probability): Remove prototype.
15667 * passes.c (finish_optimization_passes): Dump branch prediction or
15668 profiling heuristics to the .profile tree dump.
15669 (init_optimization_passes): Unqueue pass_branch_prob.
15671 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15673 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15675 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15676 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15678 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15680 * function.h (frame_offset_overflow): Declare.
15681 * function.c (frame_offset_overflow): New function.
15682 (assign_stack_local_1): Call it to detect that the offset overflows.
15683 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15685 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15687 * config/sh/sh.c: Include alloc-pool.h.
15688 (label_ref_list_pool): New alloc pool.
15689 (label_ref_list_t): New type for lists of labels.
15690 (struct pool_node): Make wend a label_ref_list_t.
15691 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15693 (dump_table): Likewise.
15694 (sh_reorg): Set up the alloc pool before using add_constant and
15695 dump_table, and destroy it when finishing.
15697 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15699 * config/mips/mips.c: Remove redundant comment.
15701 2006-03-10 Jason Merrill <jason@redhat.com>
15704 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15705 the target was declared 'register'.
15707 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15709 * genpreds.c (write_insn_constraint_len): Change definition of
15710 insn_constraint_len to return size_t to match the declaration.
15712 2006-03-10 DJ Delorie <dj@redhat.com>
15714 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15716 (m32c_expand_insv): Fix test for an AND mask.
15718 2006-03-10 Richard Guenther <rguenther@suse.de>
15720 PR middle-end/26565
15721 * builtins.c (get_pointer_alignment): Handle component
15722 references for field alignment.
15724 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15726 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15727 when building with libgloss.
15728 (sh*elf): Implement --without-fp option.
15729 (sh64-superh-linux*): Don't multilib.
15731 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15733 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15735 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15737 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15738 Set it when one of the replacement functions returned true.
15739 Return TODO_cleanup_cfg if cfgchanged is true.
15740 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15742 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15744 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15745 instead of gen_lowpart.
15747 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15749 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15751 (mips_output_order_conditional_branch): Declare.
15752 * config/mips/mips.h (MIPS_BRANCH): New macro.
15753 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15754 for the comparison. Use gen_condjump.
15755 (mips_output_conditional_branch): Rework interface to take the
15756 asm templates for a direct branch and the inverse of a direct branch.
15757 (mips_output_order_conditional_branch): New function.
15758 (mips_builtin_branch_and_move): New function.
15759 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15760 branch condition. Use gen_single_cc as the condition for
15761 __builtin_mips_upper_* or __builtin_mips_lower_*.
15762 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15763 Use VOIDmode for the branch condition.
15764 * config/mips/predicates.md (order_operator): New predicate.
15765 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15766 (branch_fp): Rename to...
15767 (*branch_fp): ...this. Remove mode from comparison operator.
15768 Use new mips_output_conditional_branch interface.
15769 (branch_fp_inverted): Rename to...
15770 (*branch_fp_inverted): ...this and update as for *branch_fp.
15771 (*branch_zero<mode>): Rename to...
15772 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15773 Use mips_output_order_conditional_branch. Only accept ordered
15775 (*branch_zero<mode>_inverted): Rename to...
15776 (*branch_order<mode>_inverted): ...this and update as for
15777 *branch_order<mode>.
15778 (*branch_equality<mode>): Accept zero as the second operand to
15779 the equality operator. Use the new mips_output_conditional_branch
15781 (*branch_equality<mode>_inverted): Likewise.
15782 (condjump): New expander.
15783 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15785 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15786 (bc1any2t, bc1any2f): Likewise.
15787 (single_cc): New expander.
15788 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15790 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15792 * doc/md.texi: Update documentation of MIPS constraints.
15793 * config/mips/constraints.md: New file.
15794 * config/mips/mips.md: Include it.
15795 * config/mips/mips.c (mips_char_to_class): Delete.
15796 (override_options): Don't initialize mips_char_to_class.
15797 * config/mips/mips.h (mips_char_to_class): Delete.
15798 (REG_CLASS_FROM_LETTER): Delete.
15799 (CONST_OK_FOR_LETTER_P): Delete.
15800 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15801 (EXTRA_CONSTRAINT_Y): Delete.
15802 (EXTRA_CONSTRAINT_STR): Delete.
15803 (CONSTRAINT_LEN): Delete.
15804 (EXTRA_MEMORY_CONSTRAINT): Delete.
15806 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15808 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15809 original fn's eh regions.
15811 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15813 * fold-const.c (build_range_check): Make sure to use a valid type to
15814 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15817 (range_predecessor): New static function.
15818 (range_successor): Likewise.
15819 (merge_ranges): Use them to compute predecessors and successors of
15822 2006-03-09 Roger Sayle <roger@eyesopen.com>
15824 PR middle-end/26561
15825 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15826 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15828 2006-03-08 DJ Delorie <dj@redhat.com>
15830 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15831 (addpsi3): Expand to include memory operands. Remove
15832 reload-specific splits.
15833 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15834 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15835 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15836 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15837 (shift1_qi, shift1_hi, insv): New.
15838 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15839 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15840 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15842 * config/m32c/m32c-protos.h: Update as needed.
15843 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15844 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15845 Fail for unrecognized R* constraints.
15846 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15847 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15848 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15850 (m32c_init_libfuncs): New.
15851 (m32c_legitimate_address_p): Add debug wrapper.
15852 (m32c_rtx_costs): New.
15853 (m32c_address_cost): New.
15854 (conversions): Add 'B' prefix.
15855 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15856 operands, or word regnames for QI operands. 'B' prints bit
15858 (m32c_expand_setmemhi): New.
15859 (m32c_expand_movmemhi): New.
15860 (m32c_expand_movstr): New.
15861 (m32c_expand_cmpstr): New.
15862 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15863 (m32c_expand_neg_mulpsi3): Handle non-ints.
15864 (m32c_cmp_flg_0): New.
15865 (m32c_expand_movcc): New.
15866 (m32c_expand_insv): New.
15867 (m32c_scc_pattern): New.
15868 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15869 a0/a1 out of SIregs.
15870 (STORE_FLAG_VALUE): New.
15871 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15874 * config/m32c/mov.md: Make constraints more liberal.
15875 (zero_extendqihi2): Optimize r0/r1 case.
15876 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15877 * config/m32c/predicates.md (m32c_any_operand): New.
15878 (m32c_nonimmediate_operand): New.
15879 (m32c_hl_operand): New.
15880 (m32c_r3_operand): New.
15883 (memsym_operand): New.
15884 (memimmed_operand): New.
15885 (a_qi_operand): New.
15886 (m32c_eqne_operator): New.
15887 (m32c_1bit8_operand): New.
15888 (m32c_1bit16_operand): New.
15889 (m32c_1mask8_operand): New.
15890 (m32c_1mask16_operand): New.
15891 * config/m32c/blkmov.md: New file.
15892 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15894 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15896 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15897 unsigned to fix signed/unsigned comparison issue in
15898 DWARF2_FRAME_REG_OUT.
15899 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15900 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15902 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15903 of ptr into the ENABLE_CHECKING section.
15905 2006-03-08 Jeff Law <law@redhat.com>
15907 * tree-vrp.c (infer_value_range): Only count pointer uses
15908 and dereferences if -fdelete-null-pointer-checks is enabled.
15910 * tree-vrp.c (find_assert_locations): Infer value ranges for
15911 single use pointers, but do not create ASSERT_EXPRs for them.
15912 When a non-null range is inferred for a pointer, backwards
15913 propagate that range to other equivalent pointers through the
15916 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15919 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15920 language hook targets.
15921 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15922 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15923 if language hook targets were missing.
15925 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15927 * tree-ssa-opfinalize.h: Removed.
15928 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15930 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15931 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15932 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15933 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15934 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15935 finalize_ssa_v_must_def_ops): New.
15937 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15939 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15940 block as parameter.
15942 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15944 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15946 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15947 addresses with offsets; reorganize.
15949 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15950 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15951 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15953 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15956 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15958 2006-03-08 Ben Elliston <bje@au.ibm.com>
15960 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15962 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15965 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15968 2006-03-07 Richard Guenther <rguenther@suse.de>
15970 PR tree-optimization/26587
15971 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15973 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15975 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15977 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15979 * hooks.c (hook_bool_mode_rtx_true): New function.
15980 * hooks.h (hook_bool_mode_rtx_true): Declare.
15981 * toplev.c (compile_file): Call output_shared_constant_pool.
15982 * varasm.c (shared_constant_pool): New variable.
15983 (assemble_start_function, assemble_end_function): Remove arguments
15984 from call to output_constant_pool.
15985 (create_constant_pool): New function, split out from...
15986 (init_varasm_status): ...here.
15987 (force_const_mem): Choose between the shared and per-function constant
15988 pools. Set current_function_uses_const_pool when reusing old entries
15989 as well as when creating new ones.
15990 (mark_constant): Ignore data argument.
15991 (mark_constants): Remove pool argument.
15992 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15993 to decide whether the function uses a constant pool.
15994 (output_constant_pool_contents): New function, split out from...
15995 (output_constant_pool): ...here.
15996 (output_shared_constant_pool): New function.
15997 (init_varasm_once): Initialize shared_constant_pool.
15998 * output.h (output_constant_pool): Delete.
15999 (output_shared_constant_pool): Declare.
16000 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16001 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16003 2006-03-06 Nick Clifton <nickc@redhat.com>
16005 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16006 flag_strength_reduce.
16008 2006-03-06 Ben Elliston <bje@au.ibm.com>
16010 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16011 x86_64-*-linux* configurations.
16013 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16014 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16016 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16018 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16020 * basic-block.h: Remove the extern for
16021 rediscover_loops_after_threading.
16023 * cfgloop.c (cancel_loop): Make it static.
16024 * cfgloop.h: Remove the prototype for cancel_loop.
16026 * flow.c (recompute_reg_usage): Make it static.
16027 * rtl.h: Remove the prototype for recompute_reg_usage.
16029 * function.c (use_return_register): Make it static.
16030 * function.h: Remove the prototype.
16032 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16034 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16036 * recog.h: Remove the prototype for
16037 validate_change_maybe_volatile.
16039 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16041 * rtlanal.c (replace_reg): Remove.
16042 * rtl.h: Remove the prototype for replace_reg.
16044 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16046 * regclass.c (reg_scan_update): Remove.
16047 (reg_scan_mark_refs): Remove the last argument.
16048 * rtl.h: Remove the prototype for reg_scan_update.
16050 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16052 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16053 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16054 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16055 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16056 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16057 loop-invariant.c, omp-low.c, opts.c, passes.c,
16058 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16059 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16060 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16061 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16062 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16063 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16065 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16067 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16068 * dwarf2out.h: Remove the prototype for
16069 dwarf2out_add_library_unit_info.
16071 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16073 * tree.c (add_var_to_bind_expr): Remove.
16074 * tree.h: Remove the prototype for add_var_to_bind_expr.
16076 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16078 * regclass.c (n_non_fixed_regs): Remove.
16079 (init_reg_sets_1, globalize_reg): Remove all uses of
16081 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16083 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16085 * rtlanal.c (insns_safe_to_move_p): Remove.
16086 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16088 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16090 * expmed.c (expand_mult_add): Remove.
16091 * expr.h: Remove the prototype for expand_mult_add.
16093 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16095 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16096 and REG_SAVED_VAL_EXP constants.
16097 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16098 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16099 Handle regs stored by value.
16100 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16101 (execute_cfa_program): Handle DW_CFA_val_offset,
16102 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16103 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16104 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16105 (uw_install_context_1): Handle target regs stored by value.
16107 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16109 * tree-sra.c (tree_sra): Return todoflags;
16110 (generate_one_element): Set TODO_update_smt_usage if needed.
16111 (pass_sra): Remove TODO_update_smt_usage.
16112 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16114 (tree_ssa_forward_propagate_single_use_vars): Return
16115 TODO_update_smt_usage if we need to update SMT usage.
16116 (pass_forwprop): Remove TODO_update_smt_usage.
16118 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16120 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16121 (correct_use_link): Remove reference to get_stmt_operands.
16122 (update_stmt_operands): Likewise.
16123 (get_modify_expr_operands): New function factored out of
16124 parse_ssa_operands and get_expr_operands.
16125 Try to create V_MUST_DEFs for LHS by default.
16126 (get_expr_operands) <case MODIFY_EXPR>: Call
16127 get_modify_expr_operands.
16128 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16129 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16130 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16131 get_modify_expr_operands.
16133 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16135 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16136 * tree-flow.h: Remove the prototype for
16137 referenced_var_lookup_if_exists.
16139 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16141 PR rtl-optimization/26345
16143 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16145 2006-03-03 Roger Sayle <roger@eyesopen.com>
16147 PR tree-optimization/26524
16148 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16149 fold_convert to create a constant of the appropriate type.
16151 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16153 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16154 SYMBOL_REF_IN_BLOCK_P.
16155 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16156 of SYMBOL_FLAG_IN_BLOCK.
16157 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16158 instead of SYMBOL_REF_IN_BLOCK_P.
16159 * explow.c (use_anchored_address): Likewise.
16160 * rtl.c (rtx_size): Likewise.
16161 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16162 instead of SYMBOL_FLAG_IN_BLOCK.
16163 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16164 SYMBOL_REF_IN_BLOCK_P.
16165 (assemble_variable): Likewise.
16166 (output_constant_def_contents): Likewise.
16167 (output_constant_pool): Likewise.
16168 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16169 instead of SYMBOL_FLAG_IN_BLOCK.
16170 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16171 SYMBOL_REF_IN_BLOCK_P.
16172 (SYMBOL_REF_BLOCK): Likewise.
16173 (SYMBOL_REF_OFFSET): Likewise.
16174 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16175 SYMBOL_REF_IN_BLOCK_P.
16176 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16177 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16178 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16179 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16181 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16183 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16185 2006-03-02 Roger Sayle <roger@eyesopen.com>
16187 * simplify-rtx.c (simplify_unary_operation): When simplifying
16188 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16189 that we perform the right shift in the appropriate mode, and
16190 then extend or truncate the result to requested mode.
16192 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16194 * gengtype.c (main): Handle double_int type.
16195 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16196 * double-int.c: New file.
16197 * double-int.h: New file.
16198 * system.h: Include doubleint.h.
16199 * Makefile.in (SYSTEM_H): Include double-int.h.
16200 (double-int.o): Add.
16202 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16205 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16208 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16210 * tree-vrp.c (remove_range_assertions): Do not update statements
16213 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16215 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16217 * gcse.c (rest_of_handle_gcse): Ditto.
16218 * except.c (gate_handle_eh): Ditto.
16219 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16220 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16222 2006-03-02 Eric Christopher <echristo@apple.com>
16224 * config/i386/i386.c (machopic_output_stub): Add indirection to
16227 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16231 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16233 Sun Niagara specific optimizations.
16234 * config.gcc: Recognize niagara as target.
16235 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16236 (TARGET_CPU_niagara): Define.
16237 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16238 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16239 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16240 (ASM_CPU_SPEC): Likewise.
16241 (PROCESSOR_NIAGARA): New enum entry.
16242 (REGISTER_MOVE_COST): Handle Niagara.
16243 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16244 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16245 (sparc_override_options): Recognize "niagara", set appropriate
16246 default MASK_* values for it, and align functions to 32-bytes
16247 by default just like ULTRASPARC/ULTRASPARC3.
16248 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16249 (sparc64_initialize_trampoline): Likewise.
16250 (sparc_use_sched_lookahead): Use zero for niagara.
16251 (sparc_issue_rate): Use one for niagara.
16252 * config/sparc/niagara.md: New file.
16253 * config/sparc/sparc.md: Include it.
16254 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16255 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16256 when default cpu is niagara.
16257 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16258 (ASM_CPU_SPEC): Likewise.
16259 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16260 when default cpu is niagara.
16261 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16262 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16263 just like v9/ultrasparc/ultrasparc3.
16264 * doc/invoke.texi: Add documentation for "niagara" and improve
16265 existing documentation for ultrasparc variants.
16267 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16269 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16271 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16273 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16274 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16275 and say that only one is needed.
16276 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16277 * target.h (have_switchable_bss_sections): New hook.
16278 * explow.c (use_anchored_address): Check that the symbol is in a block.
16279 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16280 (bss_noswitch_section): New variables.
16281 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16282 (get_noswitch_section): New function.
16283 (get_block_for_section): Allow SECT to be null.
16284 (unlikely_text_section_p): Use SECTION_STYLE.
16285 (bss_initializer_p): New function.
16286 (get_variable_section): Move earlier in file. Take a new argument,
16287 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16288 Return one of the new *_sections in such cases.
16289 (get_block_for_decl): New function, extracting some logic from
16290 use_blocks_for_decl_p.
16291 (change_symbol_section): Remove in favor of...
16292 (change_symbol_block): ...this new function.
16293 (use_blocks_for_decl_p): Remove checks now performed by
16294 get_block_for_decl.
16295 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16296 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16297 (emit_local, emit_bss, emit_common): ...these new functions.
16298 Return true if the alignment was honored.
16299 (emit_tls_common): New function.
16300 (asm_emit_uninitialised): Delete.
16301 (assemble_variable_noswitch): New function, split out from...
16302 (assemble_variable): ...here. Don't make decisions about common
16303 variables here. Globalize all public decls that go into non-common
16304 sections. Check whether SYMBOL_REF_BLOCK is null.
16305 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16306 (output_constant_pool): Likewise.
16307 (init_varasm_once): Initialize the new section variables.
16308 (have_global_bss_p): New function.
16309 (categorize_decl_for_section): Use bss_initializer_p.
16310 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16311 (place_block_symbol): Assert that the symbol must be in a block.
16312 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16313 (TARGET_INITIALIZER): Include it.
16314 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16315 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16316 (SECTION_MACH_DEP): Bump by two.
16317 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16318 (unnamed_section): Mention SECTION_UNNAMED in comment.
16319 (named_section): Likewise SECTION_NAMED.
16320 (noswitch_section_callback): New type.
16321 (noswitch_section): New structure.
16322 (section): Add a noswitch_section alternative.
16323 (SECTION_STYLE): New macro.
16324 (tls_comm_section, comm_section, lcomm_section): Declare.
16325 (bss_noswitch_section, have_global_bss_p): Declare.
16326 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16327 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16329 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16330 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16333 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16335 * tree-vrp.c (execute_vrp): Return value.
16336 * regrename.c (rest_of_handle_regrename): Ditto.
16337 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16338 * tree-complex.c (tree_lower_complex): Ditto.
16339 (tree_lower_complex_O0): Ditto.
16340 * tracer.c (rest_of_handle_tracer): Ditto.
16341 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16342 * postreload.c (rest_of_handle_postreload): Ditto.
16343 * tree-tailcall.c (execute_tail_recursion): Ditto.
16344 (execute_tail_calls): Ditto.
16345 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16346 * tree.h (init_function_for_compilation): Ditto.
16347 * ipa-cp.c (ipcp_driver): Ditto.
16348 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16349 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16350 * final.c (compute_alignments): Ditto.
16351 (rest_of_handle_final): Ditto.
16352 (rest_of_handle_shorten_branches): Ditto.
16353 (rest_of_clean_state): Ditto.
16354 * omp-low.c (execute_expand_omp): Ditto.
16355 (execute_lower_omp): Ditto.
16356 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16357 * ipa-reference.c (static_execute): Ditto.
16358 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16359 * reorg.c (rest_of_handle_delay_slots): Ditto.
16360 (rest_of_handle_machine_reorg): Ditto.
16361 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16362 * flow.c (recompute_reg_usage): Ditto.
16363 (rest_of_handle_remove_death_notes): Ditto.
16364 (rest_of_handle_life): Ditto.
16365 (rest_of_handle_flow2): Ditto.
16366 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16367 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16368 (do_ssa_store_ccp): Ditto.
16369 (execute_fold_all_builtins): Ditto.
16370 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16371 * modulo-sched.c (rest_of_handle_sms): Ditto.
16372 * ipa-pure-const.c (static_execute): Ditto.
16373 * cse.c (rest_of_handle_cse): Ditto.
16374 (rest_of_handle_cse2): Ditto.
16375 * web.c (rest_of_handle_web): Ditto.
16376 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16377 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16378 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16379 * tree-nrv.c (tree_nrv): Ditto.
16380 (execute_return_slot_opt): Ditto.
16381 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16382 (create_structure_vars): Ditto.
16383 * loop-init.c (rtl_loop_init): Ditto.
16384 (rtl_loop_done): Ditto.
16385 (rtl_move_loop_invariants): Ditto.
16386 (rtl_unswitch): Ditto.
16387 (rtl_unroll_and_peel_loops): Ditto.
16388 (rtl_doloop): Ditto.
16389 * gimple-low.c (lower_function_body): Ditto.
16390 (mark_used_blocks): Ditto.
16391 * tree-ssa-sink.c (execute_sink_code): Ditto.
16392 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16393 (cgraph_early_inlining): Ditto.
16394 * global.c (rest_of_handle_global_alloc): Ditto.
16395 * jump.c (cleanup_barriers): Ditto.
16396 (purge_line_number_notes): Ditto.
16397 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16398 (rest_of_handle_if_after_reload): Ditto.
16399 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16400 (tree_ssa_loop_im): Ditto.
16401 (tree_ssa_loop_unswitch): Ditto.
16402 (tree_vectorize): Ditto.
16403 (tree_linear_transform): Ditto.
16404 (tree_ssa_loop_ivcanon): Ditto.
16405 (tree_ssa_empty_loop): Ditto.
16406 (tree_ssa_loop_bounds): Ditto.
16407 (tree_complete_unroll): Ditto.
16408 (tree_ssa_loop_prefetch): Ditto.
16409 (tree_ssa_loop_ivopts): Ditto.
16410 (tree_ssa_loop_done): Ditto.
16411 * predict.c (tree_estimate_probability): Ditto.
16412 * recog.c (split_all_insns_noflow): Ditto.
16413 (rest_of_handle_peephole2): Ditto.
16414 (rest_of_handle_split_all_insns): Ditto.
16415 * tree-eh.c (lower_eh_constructs): Ditto.
16416 * regmove.c (rest_of_handle_regmove): Ditto.
16417 (rest_of_handle_stack_adjustments): Ditto.
16418 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16419 * function.c (instantiate_virtual_regs): Ditto.
16420 (init_function_for_compilation): Ditto.
16421 (rest_of_handle_check_leaf_regs): Ditto.
16422 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16423 (rest_of_handle_gcse): Ditto.
16424 * ipa-type-escape.c (type_escape_execute): Ditto.
16425 * alias.c (rest_of_handle_cfg): Ditto.
16426 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16427 * profile.c (rest_of_handle_branch_prob): Ditto.
16428 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16429 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16430 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16431 * tree-dfa.c (find_referenced_vars): Ditto.
16432 * except.c (set_nothrow_function_flags): Ditto.
16433 (convert_to_eh_region_ranges): Ditto.
16434 (rest_of_handle_eh): Ditto.
16435 * emit-rtl.c (unshare_all_rtl): Ditto.
16436 (remove_unnecessary_notes): Ditto.
16437 * except.h (set_nothrow_function_flags): Ditto.
16438 (convert_to_eh_region_ranges): Ditto.
16439 * cfgexpand.c (tree_expand_cfg): Ditto.
16440 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16441 * tree-ssa-pre.c (do_pre): Ditto.
16442 (execute_fre): Ditto.
16443 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16444 (rest_of_handle_jump2): Ditto.
16445 * tree-sra.c (tree_sra): Ditto.
16446 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16447 (execute_mudflap_function_decls): Ditto.
16448 * tree-ssa-copy.c (do_copy_prop): Ditto.
16449 (do_store_copy_prop): Ditto.
16450 * ipa-prop.h (ipcp_driver): Ditto.
16451 * cfglayout.c (insn_locators_initialize): Ditto.
16452 * tree-ssa-forwprop.c
16453 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16454 * cfglayout.h (insn_locators_initialize): Ditto.
16455 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16456 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16457 (execute_late_warn_uninitialized): Ditto.
16458 * rtl.h (cleanup_barriers): Ditto.
16459 (split_all_insns_noflow): Ditto.
16460 (purge_line_number_notes): Ditto.
16461 (unshare_all_rtl): Ditto.
16462 (remove_unnecessary_notes): Ditto.
16463 (recompute_reg_usage): Ditto.
16464 (variable_tracking_main): Ditto.
16465 * integrate.c (emit_initial_value_sets): Ditto.
16466 * integrate.h (emit_initial_value_sets): Ditto.
16467 * tree-optimize.c (execute_free_datastructures): Ditto
16468 (execute_free_cfg_annotations): Ditto.
16469 (execute_fixup_cfg): Ditto.
16470 (execute_cleanup_cfg_pre_ipa): Ditto.
16471 (execute_cleanup_cfg_post_optimizing): Ditto.
16472 (execute_init_datastructures): Ditto.
16473 * tree-object-size.c (compute_object_sizes): Ditto.
16474 * combine.c (rest_of_handle_combine): Ditto.
16475 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16476 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16477 (rest_of_handle_reorder_blocks): Ditto.
16478 (rest_of_handle_partition_blocks): Ditto.
16479 * var-tracking.c (variable_tracking_main): Ditto.
16480 * tree-profile.c (tree_profiling): Ditto.
16481 * tree-vect-generic.c (expand_vector_operations): Ditto.
16482 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16483 * sched-rgn.c (rest_of_handle_sched): Ditto.
16484 (rest_of_handle_sched2): Ditto.
16485 * basic-block.h (free_bb_insn): Ditto.
16486 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16487 * tree-cfg.c (execute_build_cfg): Ditto.
16488 (remove_useless_stmts): Ditto.
16489 (split_critical_edges): Ditto.
16490 (execute_warn_function_return): Ditto.
16491 (execute_warn_function_noreturn): Ditto.
16492 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16493 * cfgrtl.c (free_bb_for_insn): Ditto.
16494 * passes.c (execute_one_pass): Run additional
16495 todos returned by execute function.
16496 * tree-pass.h (struct tree_opt_pass): Make execute
16499 2006-03-02 Richard Guenther <rguenther@suse.de>
16501 * tree-ssa-alias.c (find_used_portions): Consider taking
16502 the address as making the variable not write-only.
16504 2006-03-02 Nick Clifton <nickc@redhat.com>
16506 * config.gcc (default_use_cxa_atexit): Extend the description of
16507 this configure variable. Set its default value to "yes" for
16508 Linux, NetBSD and ELF targets on the assumption that they will
16509 use C libraries with the __cxa_atexit function.
16511 2006-03-02 Ben Elliston <bje@au.ibm.com>
16513 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16514 parameter as unused to suppress a build warning.
16516 2006-03-02 Ben Elliston <bje@au.ibm.com>
16518 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16521 2006-03-01 Roger Sayle <roger@eyesopen.com>
16524 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16525 declared name, the weak reference name, and the typeof name.
16526 (__gthrw): Avoid expanding the declared name suffix.
16527 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16529 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16531 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16533 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16534 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16535 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16536 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16537 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16538 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16539 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16540 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16541 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16542 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16543 (DW_END_default, DW_END_big, DW_END_little): New.
16544 (DW_END_lo_user, DW_END_hi_user): Define.
16545 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16546 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16547 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16550 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16552 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16554 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16556 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16558 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16560 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16561 to 'symbol_mem_tag'.
16563 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16566 2006-03-01 Roger Sayle <roger@eyesopen.com>
16568 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16570 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16573 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16574 MACHO_DYNAMIC_NO_PIC_P.
16575 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16577 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16580 * config/darwin-protos.h (darwin_asm_output_anchor):
16582 * config/darwin-sections.def (cstring_section):
16583 Add SECTION_MERGE to the flags.
16584 (literal4_section): Likewise.
16585 (literal8_section): Likewise.
16586 (objc_selector_refs_section): Likewise.
16587 (objc_cls_refs_section): Likewise.
16588 * config/darwin.c (darwin_asm_output_anchor): New
16590 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16592 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16594 Fix PR tree-optimization/26443
16595 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16596 to todo and PROP_tmt_usage to properties_destroyed.
16597 * tree-ssa-ccp.c (pass_ccp): Ditto.
16598 (pass_store_ccp): Ditto.
16599 * tree-ssa-dom.c (pass_dominator): Ditto.
16601 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16603 * tree-ssa-operands.c: Cleanup whitespace.
16604 (get_asm_expr_operands): Move before first invocation.
16605 (get_indirect_ref_operands): Likewise.
16606 (get_tmr_operands): Likewise.
16607 (get_call_expr_operands): Likewise.
16608 (append_def): Likewise.
16609 (append_use): Likewise.
16610 (append_v_may_def): Likewise.
16611 (append_v_must_def): Likewise.
16612 (add_call_clobber_ops): Likewise.
16613 (add_call_read_ops): Likewise.
16614 (add_stmt_operand): Likewise.
16615 (add_virtual_operand): Likewise.
16616 (build_ssa_operands): Likewise.
16618 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16620 PR middle-end/26022
16622 PR middle-end/24437
16623 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16624 with a call expr to ...
16625 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16627 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16629 * tree-vrp.c (extract_range_from_assert): Remove special
16630 handling for types with super-types.
16632 2006-03-01 Ben Elliston <bje@au.ibm.com>
16634 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16635 and powerpc64-*-linux* configurations.
16636 * config/t-dfprules: New file.
16638 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16639 Compile dfp-bit.c from the source directory using -DWIDTH and
16640 $DFP_CFLAGS to control the compilation of that file, rather than
16641 generating width-specific versions in the build directory.
16642 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16643 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16645 2006-02-28 Zack Weinberg <zackw@panix.com>
16647 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16650 2006-02-28 Eric Christopher <echristo@apple.com>
16652 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16653 Set up IN_LIBGCC definition of TARGET_64BIT.
16654 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16656 2006-02-28 Roger Sayle <roger@eyesopen.com>
16658 PR middle-end/14752
16659 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16660 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16661 cases via the construction of "expr != 0".
16663 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16665 * alias.c (alias_invariant, alias_invariant_size): Remove.
16666 (record_base_value): Remove.
16667 (memrefs_conflict_p): Don't look at alias_invariant.
16668 (end_alias_analysis): Don't free it.
16669 * alias.h (record_base_value): Remove prototype.
16671 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16672 Adam Nemet <anemet@caviumnetworks.com>
16674 * rtl.h (truncated_to_mode): Declare it.
16675 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16676 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16677 (RTL_HOOKS_INITIALIZER): Include it.
16678 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16679 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16680 reg_truncated_to_mode.
16681 * rtlanal.c (truncated_to_mode): Define it.
16682 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16684 2006-02-28 Jeff Law <law@redhat.com>
16686 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16687 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16688 the range allowed by TYPE_PRECISION.
16690 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16692 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16694 PR tree-optimization/26419
16695 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16698 2006-02-27 Zack Weinberg <zackw@panix.com>
16700 * doc/md.texi: Fix typo in previous change.
16702 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16706 2006-02-27 Zack Weinberg <zackw@panix.com>
16708 * rtl.def (define_constraint, define_register_constraint)
16709 (define_memory_constraint, define_address_constraint): New MD forms.
16710 * gensupport.c (process_rtx): Put define_constraint etc on the
16712 * genpreds.c (process_define_predicate): Adjust comment. Validate
16713 the name, and call validate_exp to validate the expression.
16714 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16715 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16716 all callers changed.
16717 (validate_exp, needs_variable, struct constraint_data)
16718 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16719 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16720 (const_dbl_constraints, constraint_max_namelen)
16721 (have_register_constraints, have_memory_constraints)
16722 (have_address_constraints, have_address_constraints)
16723 (have_extra_constraints, have_const_int_constraints)
16724 (have_const_dbl_constraints, mangle, add_constraint)
16725 (process_define_constraint, process_define_register_constraint)
16726 (write_enum_constraint_num, write_lookup_constraint)
16727 (write_insn_constraint_len, write_regclass_for_constraint)
16728 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16729 (write_insn_extra_memory_constraint)
16730 (write_insn_extra_address_constraint)
16731 (write_satisfies_constraint_fns): New.
16732 (write_tm_preds_h): If we have new-style constraint definitions,
16733 prototype the functions generated from them, and define the
16734 old constraint interface (still used by generic code) in terms of
16736 (write_insn_preds_c): If we have new-style constraint definitions,
16737 generate all relevant functions from those definitions.
16738 (main): Handle define_constraint etc.
16739 * genoutput.c (struct constraint_data, indep_constraints)
16740 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16741 (mdep_constraint_len): New data structures and functions, defined
16742 #ifdef USE_MD_CONSTRAINTS.
16743 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16744 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16745 use new logic to validate operand constraints against constraint
16747 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16749 * defaults.h: If none of the old-style constraint macros are
16750 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16751 old-style macros; and poison REG_CLASS_FROM_LETTER,
16752 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16754 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16755 * doc/md.texi: Document new constraint-definition mechanism and the
16756 C interface it provides. Remove references to old mechanism
16757 elsewhere in the document.
16758 (Machine Constraints): Use pathnames relative to gcc directory,
16759 i.e. config/ARCH/FILE. Change i386 section to refer to
16760 config/i386/predicates.md; update that section to match docstrings.
16761 * doc/tm.texi: Move all documentation of the old constraint-
16762 definition macros to their own section, clearly mark as obsolete.
16764 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16765 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16767 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16768 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16769 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16770 constraint strings.
16771 (splits and peepholes): Use satisfies_constraint_*.
16772 * config/i386/i386.c (memory_address_length)
16773 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16775 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16777 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16778 scalar operation to be put back into the loop.
16780 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16783 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16784 (extract_cie_info): Handle S flag in augmentation string.
16785 (execute_cfa_program): If context->signal_frame, execute also
16786 fs->pc == context->ra instructions.
16787 (uw_frame_state_for): If context->signal_frame, don't subtract one
16788 from context->ra to find FDE.
16789 (uw_update_context_1): Set context->signal_frame to
16791 (_Unwind_GetIPInfo): New function.
16792 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16793 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16795 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16796 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16797 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16798 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16799 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16800 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16801 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16802 x86_64_fallback_frame_state): Set fs->signal_frame.
16803 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16804 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16805 (frob_update_context): Likewise. Workaround missing S flag in
16806 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16807 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16808 Remove the psw_addr + 1 hack.
16810 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16812 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16813 with aggregates here.
16814 (find_func_aliases): Remove code for &<aggregate> from here.
16816 2006-02-26 Roger Sayle <roger@eyesopen.com>
16818 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16819 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16820 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16821 as (X & C) ne/eq 0.
16823 2006-02-26 Roger Sayle <roger@eyesopen.com>
16825 PR middle-end/19983
16826 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16828 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16830 * opts.c (decode_options): Do not handle flag_strength_reduce.
16831 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16832 and OPT_fstrength_reduce.
16833 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16834 flag_prefetch_loop_arrays for being nonzero.
16835 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16837 (fprefetch-loop-arrays-rtl): Removed.
16838 (flag_prefetch_loop_arrays): Do not specify the value.
16840 * doc/passes.texi: Update documentation of loop optimizer
16842 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16843 -frerun-loop-opt): Remove.
16845 2006-02-26 Richard Guenther <rguenther@suse.de>
16847 PR tree-optimization/26421
16848 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16849 in function calls that are ADDR_EXPRs as using the whole structure.
16851 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16853 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16854 * tree-pass.h (pass_loop_optimize): Remove.
16855 * passes.c (pass_loop_optimize): Never run it.
16856 * toplev.c (backend_init): Don't call init_loop.
16857 * opts.c (flag_loop_optimize_set): Remove.
16858 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16859 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16860 the old RTL loop optimizer when profiling enabled.
16861 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16862 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16863 pre-headers for the sake of the old RTL loop optimizer.
16864 * Makefile.in: Remove all references to loop.o.
16866 * doc/invoke.texi: Remove all references to -floop-optimize
16867 and -frerun-loop-opt.
16869 2006-02-26 Zack Weinberg <zackw@panix.com>
16871 * doc/md.texi (Machine Constraints): Refer to all files with paths
16872 relative to gcc directory (i.e. config/CPU/file). Add missing
16873 @table @code ... @end table to M32C subsection.
16875 2006-02-26 Roger Sayle <roger@eyesopen.com>
16877 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16879 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16881 2006-02-26 Roger Sayle <roger@eyesopen.com>
16882 James A. Morrison <phython@gcc.gnu.org>
16884 PR middle-end/21137
16885 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16886 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16887 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16888 signedness of the shift operation.
16890 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16892 PR tree-optimization/26359
16893 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16895 2006-02-25 Roger Sayle <roger@eyesopen.com>
16897 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16898 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16899 as X == 0, and some symmetry related transformations.
16900 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16902 2006-02-25 Roger Sayle <roger@eyesopen.com>
16904 PR middle-end/23673
16905 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16906 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16907 symmetry related transformations. Fold (X^C1) == C2 as
16910 2006-02-25 Juergen Weigert <jw@suse.de>
16911 Richard Guenther <rguenther@suse.de>
16913 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16915 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16917 * combine.c (gen_lowpart_or_truncate): Call
16918 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16920 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16922 * doc/invoke.texi: Move -fopenmp description to "Options for
16924 Remove reference to -lgomp.
16926 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16928 * doc/install.texi: Require GNU tar version 1.14.
16930 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16932 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16933 * doc/invoke.texi (C++ Dialect Options): Document
16934 -fno-use-cxa-get-exception-ptr.
16935 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16936 * configure: Regenerate.
16937 * c.opt (fuse-cxa-get-exception-ptr): New.
16938 * c-opts.c (c_common_handle_option): Handle
16939 OPT_fuse_cxa_get_exception_ptr.
16940 * c-common.c (flag_use_cxa_atexit): Update documentation.
16941 (flag_use_cxa_get_exception_ptr): New.
16942 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16943 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16945 (C_COMMON_OVERRIDE_OPTIONS): New.
16947 2006-02-24 Roger Sayle <roger@eyesopen.com>
16949 PR middle-end/24952
16950 * combine.c (try_combine): Explicitly check whether GET_CODE is
16951 a SET or a CLOBBER, instead on checking that it isn't a USE.
16953 2006-02-24 Roger Sayle <roger@eyesopen.com>
16955 * fold-const.c (fold_comparison): New subroutine of fold_binary
16956 containing transformations common to both the equality and
16957 ordering relational operators, factored out of fold_binary.
16958 (fold_binary): Separate out the equality operators (EQ_EXPR
16959 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16960 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16961 transformations common to both.
16962 (fold_div_compare): Fix latent bugs in the previously unreachable
16963 LT_EXPR and GE_EXPR cases.
16965 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16967 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16968 decl libname for clog to __clog on AIX.
16970 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16972 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16975 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16976 output traceback table for thunks. Localise rs6000_stack_info call.
16978 2006-02-23 Roger Sayle <roger@eyesopen.com>
16979 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16981 * gthr-posix.h (__gthrw): Fix typo in comment.
16983 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16985 * doc/cpp.texi (Character sets): Document that we do support
16986 input files to be in any character set.
16988 2006-02-23 Jeff Law <law@redhat.com>
16990 * tree.h (PHI_ARG_NONZERO): Remove.
16991 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16992 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16993 node to the new node.
16995 PR tree-optimization/26425
16996 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16997 min/max, then assume its varying.
16999 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17001 PR rtl-optimization/26316
17002 * rtlanal.c (enum may_trap_p_flags): New.
17003 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17004 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17005 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17006 (may_trap_after_code_motion_p): New function.
17007 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17008 (find_invariant_insn): Use may_trap_after_code_motion_p.
17009 * rtl.h (may_trap_after_code_motion_p): Declare.
17011 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17013 * emit-rtl.c (immed_double_const): Cleanup.
17015 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17017 Fix PR tree-optimization/26376
17018 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17021 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17023 PR middle-end/26412
17024 * gimplify.c (omp_add_variable): Guard variable size decl test with
17025 DECL_SIZE (decl) check.
17027 2006-02-23 Richard Guenther <rguenther@suse.de>
17029 PR middle-end/26439
17030 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17031 like aggregate types.
17033 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17035 * configure.ac: Add --with{,out}-long-double-128 configure option.
17036 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17037 * configure: Rebuilt.
17038 * config.in: Rebuilt.
17039 * doc/install.texi (Options specification): Document
17040 --with-long-double-128.
17042 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17043 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17044 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17045 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17047 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17049 * config/s390/s390.c (override_options): Handle
17050 TARGET_DEFAULT_LONG_DOUBLE_128.
17052 * config/alpha/alpha.c (override_options): Handle
17053 TARGET_DEFAULT_LONG_DOUBLE_128.
17055 * config/sparc/sparc.c (sparc_override_options): Handle
17056 TARGET_DEFAULT_LONG_DOUBLE_128.
17058 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17060 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17061 (real-install-headers-tar, real-install-headers-cpio)
17062 (real-install-headers-cp): New targets.
17064 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17066 * tree.h (variable_section): Delete.
17067 * varasm.c (variable_section): Delete.
17069 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17071 * install.texi: Add notes on install.texi2html.
17072 (Building in parallel): Do not use footnotes.
17074 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17077 * doc/install.texi (Configuration): Document --disable-libgomp.
17079 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17081 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17083 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17085 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17086 (vec_extractv2df_0_sse): New.
17088 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17090 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17091 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17092 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17093 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17094 to the result of the expression.
17095 (def_cfa_1): Adjust.
17096 (frame_pointer_cfa_offset): Rename to...
17097 (frame_pointer_fb_offset): ... this. Adjust all uses.
17098 (convert_cfa_to_loc_list): Rename to...
17099 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17100 Pass it on to build_cfa_loc.
17101 (compute_frame_pointer_to_cfa_displacement): Rename to...
17102 (compute_frame_pointer_to_fb_displacement): ... this. New
17103 offset parameter. Use it in computation.
17104 (gen_subprogram_die): Compute cfa_fb_offset with the new
17105 macro, and use it to compute the fb loc list and the
17108 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17110 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17111 replaced with register_operand.
17112 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17113 non-DREG is expensive.
17114 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17115 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17118 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17120 * doc/install.texi2html: Use set -e.
17122 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17124 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17125 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17126 * doc/invoke.texi (-fshared-data): Delete.
17127 * common.opt (fshared-data): Delete.
17128 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17129 (assemble_static_space): Remove #if 0 code.
17130 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17131 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17132 * config/cris/cris.h: Remove FIXME.
17134 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17136 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17139 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17141 PR middle-end/26379
17142 * combine.c (simplify_shift_const_1): Disable nested shifts
17143 optimization for vector shifts.
17145 2006-02-20 Roger Sayle <roger@eyesopen.com>
17147 PR tree-optimization/26361
17148 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17149 of unsigned integer types.
17151 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17153 * tree-chrec.c (eq_evolutions_p): New.
17154 * tree-chrec.h (eq_evolutions_p): Declared.
17155 * tree-data-ref.c: Fix formatting.
17156 (datadep_stats, dependence_stats): New.
17158 (print_direction_vector): New.
17159 (dump_data_dependence_relation): Use print_direction_vector.
17160 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17161 (compute_subscript_distance): Static.
17162 (initialize_data_dependence_relation): Static. Get the number
17163 of loops surrounding the references from the callers, and initialize
17164 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17165 base_object_differ_p analyzers.
17166 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17167 compute_overlap_steps_for_affine_1_2,
17168 analyze_subscript_affine_affine): Count the classified dependences.
17169 Print a message when a test failed.
17170 (can_use_analyze_subscript_affine_affine): New.
17171 (analyze_siv_subscript): Compute the data dependences on symbolic
17172 scevs that verify can_use_analyze_subscript_affine_affine.
17173 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17174 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17175 Handle symbolic scevs.
17176 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17178 (subscript_dependence_tester): Moved...
17179 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17180 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17181 DDR_SIZE_VECT instead of getting it in parameter.
17182 (subscript_dependence_tester): ... here. Take as a parameter
17183 loop_nest_depth. Call build_classic_dist_vector and
17184 build_classic_dir_vector.
17185 (compute_affine_dependence): Update subscript_dependence_tester
17186 parameters. Update datadep_stats counters. Call
17187 compute_subscript_distance.
17188 (compute_self_dependence): Save the dist and dir vectors. Call
17189 compute_subscript_distance.
17190 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17191 (compute_all_dependences): Reorder parameters as they were before
17192 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17193 compute_subscript_distance. Update the use of
17194 compute_affine_dependence and initialize_data_dependence_relation.
17195 (find_data_references_in_loop): Handle COMPONENT_REF.
17196 (compute_data_dependences_for_loop): Initialize dependence_stats.
17197 Don't call build_classic_dist_vector and build_classic_dir_vector.
17198 Update the parameters of initialize_data_dependence_relation and
17199 compute_all_dependences. Print the statistics from datadep_stats.
17200 (analyze_all_data_dependences): Static. Not used until the pass for
17201 checking the data dependences is contributed.
17202 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17203 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17204 (initialize_data_dependence_relation, compute_affine_dependence,
17205 analyze_all_data_dependences, compute_subscript_distance): Removed.
17206 (print_direction_vector): New.
17207 * lambda.h (gcd): ... here.
17208 (lambda_vector_gcd): Moved here from gcd_vector.
17209 * lambda-code.c (gcd, gcd_vector): Removed.
17210 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17211 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17213 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17215 * ipa-type-escape.c: Tidy some comments and white space.
17216 * tree-ssa-operands.c: Likewise.
17218 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17221 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17222 (dump_decl_name): Do not walk the decl tree chains.
17223 * tree-pass.h (TDF_CHAIN): Remove.
17225 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17227 * Makefile.in (C): Remove
17229 (.PHONY): Remove C and PROTO
17231 2006-02-20 Roger Sayle <roger@eyesopen.com>
17233 PR middle-end/26236
17234 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17235 deprecated CHAR_TYPE tree code.
17237 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17239 * configure.ac (target_list): Add install-info, dvi, html.
17240 * configure: Regenerate.
17242 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17243 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17244 treelang/Make-lang.in: Do not use double-colon rules.
17246 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17248 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17249 (TMT_USED_ALONE): New macro.
17250 * tree-pass.h (PROP_tmt_usage): New property.
17251 (TODO_update_tmt_usage): New todo.
17252 * tree-ssa-alias.c (updating_used_alone): New variable.
17253 (recalculate_used_alone): New function.
17254 (compute_may_aliases): Set updating_used_alone, call
17255 recalculate_used_alone.
17256 * tree-sra.c (pass_sra): Note that this pass destroys
17257 PROP_tmt_usage, and add TODO_update_tmt_usage.
17258 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17259 * tree-flow.h (updating_used_alone): Prototype.
17260 (recalculate_used_alone): Ditto.
17261 * passes.c (execute_todo): Add code to set updating_used_alone,
17262 and call recalculate.
17263 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17264 for clobber if used alone, and add assert to verify used_alone
17267 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17269 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17270 for non tls symbols added.
17271 (legitimize_address): Do nothing for PLUS expressions if one of the
17272 addends is a tls symbol reference.
17274 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17278 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17280 * Makefile.in (BOOTSTRAPPING): New.
17281 (quickstrap): New definition if BOOTSTRAPPING=yes.
17283 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17284 * configure.ac: Substitute all_selected_languages with the languages
17285 that were configured. For all the other variables except
17286 lang_specs_files, include all the languages in the tree.
17287 * configure: Regenerate.
17289 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17290 if there is one. Run the commands to run fixincludes in the same
17293 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17294 * doc/install.texi: Document exact conventions for searching target tools.
17295 Document --with-build-time-tools. Document toplevel bootstrap. Document
17296 something more about building an Ada cross-compiler. Don't list GNU Make
17297 requirements which affect all platforms.
17299 2006-02-19 Roger Sayle <roger@eyesopen.com>
17301 PR middle-end/19543
17302 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17303 only equivalent if the have both the same mode and precision.
17305 2006-02-20 Ben Elliston <bje@au.ibm.com>
17307 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17309 2006-02-19 Roger Sayle <roger@eyesopen.com>
17310 Steven Bosscher <stevenb.gcc@gmail.com>
17312 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17313 constant pool references to identify stack mode constants.
17314 * rtlanal.c (constant_pool_constant_p): New predicate to check
17315 whether operand is a floating point constant in the pool.
17316 * rtl.h (constant_pool_constant_p): Prototype here.
17317 * loop.c (scan_loop): Avoid hoisting constants from the constant
17318 pool on STACK_REGS targets.
17319 (load_mems): Likewise.
17320 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17321 loads into x87 registers expensive in terms of register pressure.
17323 2006-02-19 Roger Sayle <roger@eyesopen.com>
17325 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17326 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17328 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17330 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17331 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17333 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17335 * doc/invoke.texi: Document -fipa-pta.
17336 * common.opt: Add ipa-pta option.
17337 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17338 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17339 (do_ds_constraint): Ditto.
17340 (get_constraint_for): Only add to referenced_vars if
17341 referenced_vars exists.
17342 (insert_into_field_list): Rewrite to do this unsorted.
17343 (insert_into_field_list_sorted): Rename old insert_into_field_list
17345 (create_function_info_for): Use insert_into_field_list_sorted.
17346 (create_variable_info_for): Rewrite so it uses unsorted version,
17347 since the field list is sorted.
17348 (intra_create_variable_infos): Only add to referenced_vars if
17349 referenced_vars exists.
17350 (ipa_pta_execute): Init heapvars, and delete when done.
17351 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17353 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17355 * doc/install.texi: Add missing `@samp'.
17357 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17359 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17362 2006-02-18 Mark Wielaard <mark@klomp.org>
17364 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17365 who added new 4.1 features, bug fixes and integration support.
17367 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17370 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17371 MEM for ABI_V4 pic.
17373 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17375 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17376 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17377 (copy_insn_1): Likewise. Don't copy each field individually.
17379 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17381 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17382 * rtl.c (rtx_size): Rename variable to...
17383 (rtx_code_size): ...this.
17384 (rtx_size): New function.
17385 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17386 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17388 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17389 * rtl.h (rtx_code_size): New variable.
17390 (rtx_size): Change from a variable to a function.
17391 (RTX_SIZE): Rename to...
17392 (RTX_CODE_SIZE): ...this.
17395 PR tree-optimization/17106
17396 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17397 (Anchored Addresses): New section.
17398 * doc/invoke.texi (-fsection-anchors): Document.
17399 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17400 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17401 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17402 * hooks.c (hook_bool_mode_rtx_false): New function.
17403 * hooks.h (hook_bool_mode_rtx_false): Declare.
17404 * gengtype.c (create_optional_field): New function.
17405 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17406 SYMBOL_REF_IN_BLOCK_P is true.
17407 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17408 (min_anchor_offset, max_anchor_offset): Likewise.
17409 (use_anchors_for_symbol_p): New hook.
17410 * toplev.c (compile_file): Call output_object_blocks.
17411 (target_supports_section_anchors_p): New function.
17412 (process_options): Check that -fsection-anchors is only used on
17413 targets that support it and when -funit-at-a-time is in effect.
17414 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17415 if the decl doesn't have one.
17416 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17417 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17418 of force_const_mem through use_anchored_address.
17419 (expand_expr_constant): New function.
17420 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17421 calling expand_expr for INDIRECT_REF.
17422 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17423 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17424 * expr.h (use_anchored_address): Declare.
17425 * loop-unroll.c: Don't declare rtx vectors here.
17426 * explow.c: Include output.h.
17427 (validize_mem): Call use_anchored_address.
17428 (use_anchored_address): New function.
17429 * common.opt (-fsection-anchors): New switch.
17430 * varasm.c (object_block_htab, anchor_labelno): New variables.
17431 (hash_section, object_block_entry_eq, object_block_entry_hash)
17432 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17433 (use_blocks_for_decl_p, change_symbol_section): New functions.
17434 (get_variable_section): New function, split out from assemble_variable.
17435 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17436 use_blocks_for_decl_p say so. Use change_symbol_section if the
17437 symbol has already been created.
17438 (assemble_variable_contents): New function, split out from...
17439 (assemble_variable): ...here. Don't output any code for
17440 block symbols; just pass them to place_block_symbol.
17441 Use get_variable_section and assemble_variable_contents.
17442 (get_constant_alignment, get_constant_section, get_constant_size): New
17443 functions, split from output_constant_def_contents.
17444 (build_constant_desc): Create a block symbol if use_object_blocks_p
17445 says so. Or into SYMBOL_REF_FLAGS.
17446 (assemble_constant_contents): New function, split from...
17447 (output_constant_def_contents): ...here. Don't output any code
17448 for block symbols; just pass them to place_section_symbol.
17449 Use get_constant_section and get_constant_alignment.
17450 (force_const_mem): Create a block symbol if use_object_blocks_p and
17451 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17452 (output_constant_pool_1): Add an explicit alignment argument.
17453 Don't switch sections here.
17454 (output_constant_pool): Adjust call to output_constant_pool_1.
17455 Switch sections here instead. Don't output anything for block symbols;
17456 just pass them to place_block_symbol.
17457 (init_varasm_once): Initialize object_block_htab.
17458 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17459 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17460 (place_block_symbol, get_section_anchor, output_object_block)
17461 (output_object_block_htab, output_object_blocks): New functions.
17462 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17463 (TARGET_ASM_OUT): Include it.
17464 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17465 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17466 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17467 (TARGET_INITIALIZER): Include them.
17468 * rtl.c (rtl_check_failed_block_symbol): New function.
17469 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17470 (block_symbol, object_block): New structures.
17471 (rtx_def): Add a block_symbol field to the union.
17472 (BLOCK_SYMBOL_CHECK): New macro.
17473 (rtl_check_failed_block_symbol): Declare.
17474 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17475 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17476 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17477 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17478 * output.h (output_section_symbols): Declare.
17479 (object_block): Name structure.
17480 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17481 (default_use_anchors_for_symbol_p): Declare.
17482 * Makefile.in (RTL_BASE_H): Add vec.h.
17483 (explow.o): Depend on output.h.
17484 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17485 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17486 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17487 (rs6000_use_blocks_for_constant_p): New function.
17489 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17491 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17493 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17496 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17499 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17501 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17505 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17507 PR middle-end/26334
17508 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17509 instead of DECL_REGISTER.
17511 2006-02-18 Olivier Hainque <hainque@adacore.com>
17514 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17516 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17519 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17520 * opth-gen.awk: Handle Var and InverseMask together.
17521 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17522 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17523 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17524 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17526 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17527 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17528 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17529 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17530 LINUX_DYNAMIC_LINKER): Define.
17531 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17532 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17534 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17535 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17536 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17538 (TARGET_C99_FUNCTIONS): Don't define.
17539 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17540 GLIBC_DYNAMIC_LINKER.
17541 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17542 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17543 GLIBC_DYNAMIC_LINKER64): Define.
17544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17545 LINUX_DYNAMIC_LINKER64.
17546 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17547 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17548 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17549 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17550 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17552 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17553 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17554 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17556 and LINUX_DYNAMIC_LINKER32.
17557 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17559 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17561 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17563 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17564 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17565 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17566 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17567 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17568 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17569 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17570 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17571 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17572 LINUX_DYNAMIC_LINKER): Define.
17573 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17574 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17575 GLIBC_DYNAMIC_LINKER64): Define.
17576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17577 LINUX_DYNAMIC_LINKER64.
17578 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17579 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17580 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17581 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17582 LINUX_DYNAMIC_LINKER): Define.
17583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17584 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17585 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17586 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17587 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17588 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17589 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17590 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17591 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17592 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17594 * doc/invoke.texi (-muclibc): Remove caveat about supported
17597 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17599 * doc/cpp.texi (__TIMESTAMP__): Document.
17601 2006-02-17 Roger Sayle <roger@eyesopen.com>
17603 PR middle-end/25600
17604 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17605 C is one less than the width of X (and related transformations).
17606 * simplify-rtx.c (simplify_unary_operation_1): Transform
17607 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17608 depending on STORE_FLAG_VALUE, were C is one less then the
17611 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17613 Fix PR tree-optimization/26341
17614 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17615 about NAME_MEMORY_TAG's.
17617 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17620 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17621 with hardware float support, and software float support. Add fcpy
17622 alternative to hardware patterns. Add alternatives to copy between
17623 general and floating-point registers to the 32-bit pattern.
17624 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17625 secondary reload to load a QI or HI mode constant into a floating
17627 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17628 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17630 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17633 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17635 (load_macho_picbase_di): Likewise.
17637 2006-02-16 Jeff Law <law@redhat.com>
17639 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17640 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17641 (ssa_name_nonzero_p): Likewise.
17642 (get_value_range): Return NULL if VRP is not running.
17643 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17644 VRP routines do not discover a range.
17645 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17646 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17647 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17648 (tree_expr_nonnegative_p): Similarly.
17649 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17650 (restore_nonzero_vars_to_original_value): Remove.
17651 (unsafe_associative_fp_binop): Remove.
17652 (tree_ssa_dominator_optimize): Remove initialization and
17653 finalization of nonzero_vars and nonzero_vars_stack.
17654 (dom_opt_initialize_block): No longer push marker on
17655 nonzero_vars_stack.
17656 (dom_opt_finalize_block): No longer call
17657 restore_nonzero_vars_to_original_value.
17658 (record_equivalences_from_phis): No longer look for
17659 nonzero PHI arguments.
17660 (cprop_into_successor_phis): No longer propagate nonzero
17661 property into PHI arguments. Lose unused argument. Caller
17663 (record_equivalences_from_stmt): No longer record nonzero
17664 values for SSA_NAMEs.
17665 (lookup_avail_expr): No longer use nonzero_vars.
17667 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17668 for sizetype when sizetype is unsigned.
17670 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17672 PR rtl-optimization/25603
17673 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17674 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17675 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17676 with new meaning of SETS.
17678 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17683 * config/linux.opt: New file.
17684 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17685 LINUX_DYNAMIC_LINKER): Define.
17686 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17687 * config.gcc (*-*-linux*): Define extra_options.
17688 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17689 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17690 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17691 GLIBC_DYNAMIC_LINKER.
17692 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17693 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17694 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17696 * doc/invoke.texi (GNU/Linux Options): New section.
17698 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17700 * config/sparc/sparc.md (setjmp): Rewrite.
17701 (setjmp_32): Delete.
17702 (setjmp_64): Likewise.
17704 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17706 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17709 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17711 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17714 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17716 PR rtl-optimization/26296
17717 * Makefile.in (loop-invariant.c): Add except.h dependency.
17718 * loop-invariant.c: Include except.h.
17719 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17721 2005-02-16 Paul Brook <paul@codesourcery.com>
17723 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17726 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17728 PR rtl-optimization/25636
17729 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17730 when deciding whether an insn is an initializing insn.
17732 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17734 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17735 (tree_code_size): Ditto.
17736 * tree.h (struct tree_memory_tag): Remove parent_var.
17737 (struct tree_struct_field_tag): New.
17740 (union tree_node): Add sft member.
17741 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17743 (create_sft): Add size and offset argument, set SFT_OFFSET and
17745 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17746 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17747 * tree-flow-inline.h (get_subvar_at): Update for
17748 SFT_OFFSET/SFT_SIZE.
17749 (var_can_have_subvars): Ditto.
17750 (overlap_subvar): Ditto.
17751 * print-tree.c (print_node): Print out interesting things for
17753 * tree-flow.h (struct subvar): Remove offset and size members.
17754 * tree-ssa-operands.c (get_expr_operands): Update for
17755 get_indirect_ref_operands changes.
17756 (get_indirect_ref_operands): Call add_virtual_operand instead of
17757 add_stmt_operand. Only recurse on base var if requested.
17758 (access_can_touch_variable): New function.
17759 (add_stmt_operand): Split virtual operand handling into ...
17760 (add_virtual_operand): Here. Add offset, size, and for_clobber
17761 arguments. Prune alias sets.
17762 (add_call_clobber_ops): Call add_virtual_operand.
17764 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17766 PR middle-end/26300
17767 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17769 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17770 than TREE_CODE as index into omp_clause_num_ops array.
17772 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17774 PR rtl-optimization/26184
17775 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17777 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17778 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17779 must_precede, must_follow and tobe_scheduled.
17782 * opts.c (common_handle_option): Free new_option pointer.
17783 * df-core.c (df_analyze): Free postorder pointer.
17785 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17787 * Makefile.in: Fix the examples about the use of stamps
17789 2006-02-15 Michael Matz <matz@suse.de>
17791 PR middle-end/22275
17793 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17794 influenced by maximum_field_alignment or DECL_PACKED.
17795 (update_alignment_for_field): Ditto.
17796 (place_field): Ditto.
17797 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17800 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17802 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17803 (debug_flow_info): Pass it.
17804 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17805 * bb-reorder.c (reorder_basic_blocks): Likewise.
17806 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17807 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17808 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17809 * gcse.c (gcse_main, bypass_jumps): Likewise.
17810 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17811 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17812 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17813 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17814 * rtl.h (dump_flow_info): Adjust prototype.
17815 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17816 * var-tracking.c (variable_tracking_main): Likewise.
17817 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17818 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17821 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17823 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17826 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17828 PR tree-optimization/26209
17829 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17830 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17832 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17834 2006-02-14 Roger Sayle <roger@eyesopen.com>
17836 PR middle-end/23670
17837 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17838 (X,Y) and the corresponding symmetry related transformations.
17839 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17840 (X,Y) and its symmetry related transformations.
17842 2006-02-14 Roger Sayle <roger@eyesopen.com>
17844 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17847 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17849 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17851 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17854 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17855 support COMDAT group.
17856 * configure: Regenerate.
17858 2006-02-14 Roger Sayle <roger@eyesopen.com>
17860 PR middle-end/26279
17861 PR middle-end/26280
17862 PR middle-end/26283
17863 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17865 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17867 Fix PR tree-optimization/26260
17869 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17871 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17872 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17873 * tree-ssa-structalias.c (create_variable_info_for): Use
17874 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17876 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17878 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17880 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17881 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17882 of the ending condition.
17883 * tree-ssa-loop-manip.c: Include params.h.
17884 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17885 tree_unroll_loop): New functions.
17886 * tree-pass.h (pass_loop_prefetch): Declare.
17887 * loop.c (rest_of_handle_loop_optimize): Test for
17888 -fprefetch-loop-arrays-rtl.
17889 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17890 * timevar.def (TV_TREE_PREFETCH): New timevar.
17891 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17892 pass_loop_prefetch): New.
17893 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17894 (cleanup_tree_cfg_loop): Call scev_reset.
17895 * common.opt (fprefetch-loop-arrays-rtl): Add.
17896 * tree-ssa-loop-prefetch.c: New file.
17897 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17898 (new_temp_expr_table): Initialize expr_vars.
17899 (free_temp_expr_table): Cleanup expr_vars.
17900 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17901 expressions from being merged into one.
17902 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17903 (struct tree_niter_desc): Add control, bound and cmp fields.
17904 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17906 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17907 (tree-cfgcleanup.o): Add SCEV_H dependency.
17908 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17909 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17911 2006-02-14 Richard Guenther <rguenther@suse.de>
17913 PR tree-optimization/26258
17914 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17915 in PHI argument processing.
17917 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17919 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17920 new expression in the requested machine mode.
17922 2006-02-13 Roger Sayle <roger@eyesopen.com>
17924 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17925 directly, instead let do_compare_rtx_and_jump handle this for us.
17926 * expr.c (expand_expr_real_1): Likewise.
17927 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17928 before do_jump_by_parts_greater.
17929 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17930 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17932 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17934 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17936 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17938 PR rtl-optimization/26235
17939 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17940 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17943 2006-02-13 Jeff Law <law@redhat.com>
17945 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17948 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17950 PR middle-end/26092
17951 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17952 twice if decl is a builtin. When trying again, call get_callee_fndecl
17953 first to verify it is still a builtin.
17955 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17957 * dwarf2out.c (base_type_die): Don't add AT_name here.
17958 (subrange_type_die): Don't add AT_name here.
17959 (modified_type_die): Rearrange code flow. Do add AT_name here.
17961 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17963 PR rtl-optimization/26247
17964 PR rtl-optimization/26248
17965 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17967 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17969 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17970 * config/fixtfdi.c: Likewise.
17971 * config/fixunstfdi.c: Likewise.
17972 * config/floatditf.c: Likewise.
17974 2006-02-13 Roger Sayle <roger@eyesopen.com>
17976 PR middle-end/24427
17977 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17978 into (X,C2) if C1 is a subset of the bits of C2. Transform
17979 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17981 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17983 2006-02-13 Josh Conner <jconner@apple.com>
17986 * varasm.c (function_section): Check for section name before
17987 calling select_section on targets that define
17988 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17989 unlikely_text_section instead of hot_function_section if
17990 first_function_block_is_cold.
17992 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17994 PR middle-end/25335
17995 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17997 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17999 PR rtl-optimization/26222
18000 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18001 after tree->rtl expansion.
18002 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18003 before passing it to emit_move_insn.
18005 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18007 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18009 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18010 Clarify documentation.
18011 * c-common.h (warn_write_strings): Remove.
18012 * c-common.c (warn_write_strings): Likewise.
18013 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18016 2006-02-12 Roger Sayle <roger@eyesopen.com>
18018 PR middle-end/25724
18019 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18020 (do_jump_parts_zero_rtx): New function renamed from
18021 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18022 (do_jump_parts_equality_rtx): New function split out from
18023 do_jump_parts_equality. Old implementation renamed as above.
18024 Call do_jump_parts_zero_rtx if either operand is zero.
18025 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18026 do all of the heavy lifting.
18027 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18028 calling either do_jump_by_parts_greater_rtx or
18029 do_jump_by_parts_equality_rtx.
18030 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18031 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18032 moved to do_compare_rtx_and_jump, call it directly.
18033 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18034 mode argument. Call do_compare_rtx_and_jump.
18035 (emit_case_nodes): Update calls to do_jump_if_equal.
18037 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18039 PR rtl-optimization/26225
18040 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18042 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18044 PR rtl-optimization/26232
18045 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18047 2006-02-11 Jason Merrill <jason@redhat.com>
18050 * tree-inline.c (declare_return_variable): Just don't use the
18051 modify target if it's a gimple complex reg and the return slot
18054 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18056 * doc/contrib.texi: Update my entry.
18058 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18060 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18062 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18064 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18067 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18069 * doc/invoke.texi (-floop-optimize2): Removed.
18070 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18071 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18072 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18073 * common.opt (floop-optimize2): Removed.
18074 (fmove-loop-invariants): Enabled by default.
18076 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18078 * tree-if-conv.c (combine_blocks): Free the result of
18079 get_loop_exit_edges.
18081 2006-02-10 Jeff Law <law@redhat.com>
18083 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18085 PR tree-optimization/26213
18086 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18087 loop trying to follow SSA_NAME_VALUE chains.
18089 2006-02-10 Richard Guenther <rguenther@suse.de>
18091 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18092 deal with structures that end in implicitly variable sized arrays.
18094 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18096 PR rtl-optimization/24762
18097 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18100 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18102 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18103 (struct ivopts_data): Add regs_used field.
18104 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18105 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18106 instead of loop_data->regs_used;
18107 (free_loop_data): Do not free aux fields for loops.
18108 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18109 and tree_ssa_iv_optimize_finalize.
18111 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18113 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18115 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18118 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18119 computing the effective result type.
18121 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18123 PR inline-asm/16194
18124 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18125 (tree_overlaps_hard_reg_set): Declare.
18126 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18127 type and signature to match function type expected by walk_tree.
18128 (tree_overlaps_hard_reg_set): New function.
18129 (decl_conflicts_with_clobbers_p): Rename to:
18130 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18131 Use tree_overlaps_hard_reg_set. Changed caller.
18132 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18133 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18134 * cris.c (cris_md_asm_clobbers): Likewise.
18136 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18138 * reload1.c (emit_input_reload_insns): Delete code that tries to
18139 inherit using find_equiv_reg.
18141 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18143 * c-common.h (flag_const_strings): Don't declare.
18144 * c-common.c (flag_const_strings): Remove.
18145 * c.opt (fconst_strings): Remove.
18146 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18147 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18148 (c_common_init_options): Don't set flag_const_strings.
18149 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18151 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18153 * arm.md (tlobits_cbranch): New pattern.
18154 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18155 testing a single bit.
18157 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18160 * tree-ssa-pre.c (create_component_ref_by_pieces):
18161 Handle RETURN_DECL like VAR_DECL.
18163 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18165 PR middle-end/26134
18166 * fold-const.c (fold_indirect_ref_1): Fold
18167 "*(foo *)&complexfoo" to "__real__ complexfoo"
18168 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18170 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18172 * tree-flow-inline.h (var_can_have_subvars):
18173 Volatile variables should not have subvariables.
18175 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18178 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18179 multiplying unsigned values.
18182 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18184 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18186 2006-02-08 Jason Merrill <jason@redhat.com>
18189 * tree.def: Elaborate on difference from MODIFY_EXPR.
18190 * doc/c-tree.texi (INIT_EXPR): Likewise.
18191 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18192 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18193 (gimplify_target_expr): Likewise.
18194 (gimplify_cond_expr): Remove target handling.
18195 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18196 (gimplify_expr): Clobber it here.
18197 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18198 Do return slot optimization if we have an INIT_EXPR.
18201 * tree-inline.c (declare_return_variable): Also clear
18202 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18205 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18207 PR middle-end/22439
18208 * gimplify.c (gimplify_one_sizepos): Fix typo.
18210 2006-02-08 Jeff Law <law@redhat.com>
18212 PR tree-optimization/21417
18213 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18214 across a backedge if the control statement at the end of the
18215 block is data dependent on other statements in the same block.
18216 (record_temporary_equivalences_from_stmts): Remove over-conservative
18217 test for threading across backedges.
18219 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18220 control statement, handle all three special cases in the same
18221 manner as they all have the same desired solution. No longer
18222 special case edge flag updating when the post dominator is
18225 2006-02-08 Roger Sayle <roger@eyesopen.com>
18227 * tree.def (CHAR_TYPE): Remove.
18228 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18229 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18230 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18231 (gen_string_type_die): Delete unreachable function.
18233 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18234 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18235 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18236 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18237 * builtins.c (type_to_class): Likewise.
18238 * fold-const.c (fold_convert, build_range_check,
18239 merge_ranges): Likewise.
18240 * expr.c (count_type_elements): Likewise.
18241 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18242 * stor-layout.c (layout_type): Likewise.
18243 * ipa-type-escape.c (type_to_consider): Likewise.
18244 * gimplify.c (omp_firstprivatize_type_sizes,
18245 gimplify_type_sizes): Likewise.
18246 * explow.c (promote_mode): Likewise.
18247 * tree-sra.c (is_sra_scalar_type): Likewise.
18248 * varasm.c (output_constant): Likewise.
18249 * tree-inline.c (remap_type_1): Likewise.
18250 * convert.c (convert_to_pointer, convert_to_real,
18251 convert_to_integer, convert_to_complex): Likewise.
18253 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18255 * df-scan.c (df_def_record_1): A set destination may
18256 be a parallel regardless of mode.
18258 2006-02-08 Roger Sayle <roger@eyesopen.com>
18261 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18262 * config/mips/_tilib.c: Remove.
18263 * config/fixtfdi.c: New libgcc source file.
18264 * config/fixunstfdi.c: New source file.
18265 * config/floatditf.c: New source file.
18266 * config/floatunditf.c: New souce file.
18267 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18268 files above instead of config/mips/_tilib.c.
18269 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18271 2006-02-08 Jeff Law <law@redhat.com>
18273 PR tree-optimization/26169
18274 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18277 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18279 * df.h (DF_REG_SIZE): Return the length of the initialized
18282 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18284 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18285 __muldf3): Return a correctly signed zero.
18287 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18289 * passes.c (register_one_dump_file): Accept the current properties
18290 instead of pass number. Adjust call to dump_register. Remove
18292 (register_dump_files): Now a wrapper around...
18293 (register_dump_files_1): ... this one. Do not modify the pass
18295 (next_pass_1): Cosmetic fix.
18296 (execute_todo): Keep second parameter only. Use curr_properties
18297 instead of fetching it from the pass structure. Check and set
18299 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18300 instead of fetching it from the pass structure. Fix calls to
18301 execute_todo. Update curr_properties and initialize .vcg RTL dump
18302 after running the pass. Reset last_verified.
18303 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18305 (FIRST_AUTO_NUMBERED_DUMP): New.
18306 (dump_register): Remove "num" parameter, assign it within the
18308 (get_dump_file_name): Modify template for dumps.
18309 * tree-dump.h (dump_register): Adjust prototype.
18310 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18311 (PROP_trees): Add PROP_gimple_lomp.
18312 (TODO_set_props): New.
18313 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18314 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18315 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18317 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18319 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18320 (sparc64-*-linux*): Likewise.
18321 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18322 * config/sparc/t-linux: New file.
18323 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18324 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18325 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18326 -m32 -mlong-double-128.
18328 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18329 * config/alpha/t-linux: New file.
18330 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18332 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18333 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18334 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18335 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18336 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18337 (CPP_ARCH32_SPEC): Remove.
18339 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18341 PR tree-optimization/26145
18342 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18345 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18348 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18349 >= 240000 when generating code for SOM runtime.
18350 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18351 to $$dyncall when generating code for SOM runtime..
18353 2006-02-07 Dirk Mueller <dmueller@suse.com>
18356 * doc/invoke.texi (-Wsequence-point): Update documentation
18357 that -Wsequence-point is implemented for C++ as well.
18359 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18361 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18362 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18363 (LIB_SPEC): Likewise.
18364 * doc/invoke.texi (SPARC options): Document -pthread.
18366 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18368 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18371 2006-02-07 Roger Sayle <roger@eyesopen.com>
18373 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18374 Correct comment describing BOOLEAN_TYPE.
18376 2006-02-07 Dirk Mueller <dmueller@suse.com>
18378 * c.opt: C++ frontend supports -Wdiv-by-zero.
18379 * c-opts.c (c_common_handle_option): Remove dead case.
18381 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18383 * configure.ac (TLS assembler check): Do not enable TLS by
18384 default on SPARC/Solaris before version 10.
18385 * configure: Regenerate.
18387 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18389 * doc/invoke.texi (xl-compat): Document conversion and support
18392 2006-02-07 Jeff Law <law@redhat.com>
18394 * tree-vrp.c (find_conditional_asserts): Update comments.
18395 (simplify_stmt_for_jump_threading): New.
18396 (identify_jump_threads, finalize_jump_threads): New.
18397 (vrp_finalize): Call identify_jump_threads.
18398 (execute_vrp): Call finalize_jump_threads.
18399 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18400 (vrp_element, vrp_data, vrp_element_p): Remove.
18401 (vrp_hash_elt, vrp_variables_stack): Remove.
18402 (vrp_hash, vrp_eq, record_range): Remove.
18403 (simplify_cond_and_lookup_avail_expr): Remove.
18404 (extract_range_from_cond): Remove.
18405 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18406 (simplify_stmt_for_jump_threading): New.
18407 (dom_thread_across_edge): New wrapper.
18408 (tree_ssa_dominator_optimize): No longer initialize or
18409 finalize any of the VRP datastructures. Remove iteration
18410 step and simplify as a result of removal of iteration step.
18411 (pass_dominator): Perform a cfg cleanup after DOM.
18412 (dom_opt_finalize_block): Use the new common routines
18413 for threading jumps. Simplify stack management slightly.
18414 No longer need to unwind VRP state.
18415 (record_equivalences_from_incoming_edge): No longer record
18417 (eliminate_redundant_computations): No longer call
18418 simplify_cond_and_lookup_avail_expr.
18419 * tree-flow.h (potentially_threadable_block): Prototype.
18420 (thread_across_edge): Likewise.
18421 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18422 (tree-ssa-threadedge.o): Add dependencies.
18423 * tree-ssa-threadedge.c: New file.
18424 * passes.c (init_optimization_passes): Merge PHIs before
18425 calling VRP. Run VRP again late in the SSA optimization pipeline.
18427 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18429 * df-core.c (df_set_blocks): Do not dereference function pointers.
18430 (df_finish1): Likewise.
18431 (df_hybrid_search_forward): Likewise.
18432 (df_hybrid_search_backward): Likewise.
18433 (df_iterative_dataflow): Likewise.
18434 (df_analyze_problem): Likewise.
18435 (df_compact_blocks): Likewise.
18436 (df_dump): Likewise.
18437 * df-scan.c (df_rescan_blocks): Likewise.
18438 (df_record_entry_block_defs): Likewise.
18440 * genconditions.c (write_conditions): Guard the definition of
18441 'insn_conditions' with the check on GCC version.
18442 (write_writer): Guard the traversal 'insn_conditions' with
18443 the check on GCC version.
18445 2006-02-07 Richard Guenther <rguenther@suse.de>
18449 2006-01-30 Richard Guenther <rguenther@suse.de>
18451 * gimplify.c (gimplify_target_expr): Handle easy cases
18452 without creating a temporary.
18454 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18456 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18457 use of float in probability computations. Use edge probabilities
18458 in place of statically computed probabilities.
18459 (min_spec_prob): New static variable.
18460 (schedule_insns): Initialize it.
18461 (GET_SRC_PROB): Removed.
18462 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18464 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18467 * config/ia64/unwind-ia64.c: Revert last change.
18468 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18469 (INCOMING_FRAME_SP_OFFSET): Define.
18471 2006-02-06 Roger Sayle <roger@eyesopen.com>
18473 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18475 2006-02-07 Ben Elliston <bje@au.ibm.com>
18477 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18478 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18479 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18480 (ix86_return_in_memory): Handle TDmode.
18481 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18482 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18484 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18486 * reorg.c (dbr_schedule): Use dump_file instead of file.
18488 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18491 * config/ia64/predicates.md (extr_len_operand): New predicate.
18492 * config/ia64/ia64.md (extv): Tighten constraints.
18494 (*tbit_and_2): Ditto.
18495 (*tbit_and_3): Ditto.
18496 (*tbit_or_2): Ditto.
18497 (*tbit_or_3): Ditto.
18498 (*bit_zero): Ditto.
18501 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18504 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18506 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18508 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18509 loop_optimizer_init and loop_optimizer_finalize
18510 * tree-ssa-sink.c (execute_sink_code): Ditto.
18511 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18512 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18513 tree_ssa_loop_done): Ditto.
18514 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18515 * sched-ebb.c: Include output.h.
18516 (schedule_ebbs): Do not use dump argument.
18517 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18518 * loop.c (loop_dump_stream): Removed.
18519 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18521 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18522 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18523 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18524 loop_iterations, strength_reduce, record_biv, record_giv,
18525 final_giv_value, check_final_value, check_ext_dependent_givs,
18526 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18527 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18528 dump_file instead of loop_dump_stream.
18529 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18530 argument dump_file.
18531 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18533 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18534 * haifa-sched.c: Include output.h
18535 (schedule_insns, sched_init): Do not use dump argument.
18536 * mode-switching.c (optimize_mode_switching): Ditto.
18537 * modulo-sched.c (stats_file): Removed.
18538 (print_node_sched_params): Do not call argument dump_file.
18539 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18540 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18542 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18544 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18545 rtl_loop_init, rtl_loop_done): Ditto.
18546 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18547 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18549 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18550 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18551 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18552 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18553 * emit-rtl.c (renumber_insns): Ditto.
18554 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18555 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18556 * regclass.c (regclass): Ditto.
18557 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18558 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18559 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18560 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18562 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18563 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18565 * gcse.c (gcse_file, debug_stderr): Removed.
18566 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18567 rest_of_handle_gcse): Do not use dump argument.
18568 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18569 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18570 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18571 compute_code_hoist_vbeinout, compute_code_hoist_data,
18572 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18573 compute_store_table, build_store_vectors, insert_insn_start_bb,
18574 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18575 store_motion): Use dump_file instead of gcse_file.
18576 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18577 * profile.c (profile_dump_file): Removed.
18578 (branch_prob): Use dump_file instead of profile_dump_file.
18579 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18581 * tree-ssa-copy.c (dump_copy_of): Ditto.
18582 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18583 dump file to life_analysis.
18584 * bt-load.c (branch_target_load_optimize): Ditto.
18585 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18587 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18588 regclass, dbr_schedule): Declaration changed.
18589 * sched-int.h (sched_init): Declaration changed.
18590 * tree-profile.c (tree_profile_dump_file): Removed.
18591 (tree_profile_hooks): Removed profile_dump_file hook.
18592 * rtl-profile (rtl_profile_dump_file): Removed.
18593 (rtl_profile_hooks): emoved profile_dump_file hook.
18594 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18596 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18597 * tree-cfg.c (build_tree_cfg): Ditto.
18598 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18599 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18600 Declaration changed.
18601 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18602 life_analysis and schedule_insns.
18603 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18605 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18607 * config/mips/mips.c (mips_reorg): Ditto.
18608 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18611 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18613 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18614 (s390_mangle_fundamental_type): New.
18615 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18618 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18619 (alpha_mangle_fundamental_type): New.
18620 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18623 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18625 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18627 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18628 (sparc_mangle_fundamental_type): New.
18630 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18632 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18633 (s390x-*-linux*): Likewise.
18634 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18635 * config/s390/t-linux: New file.
18637 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18639 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18640 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18642 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18644 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18645 (ANTIC_SAFE_LOADS): New macro.
18646 (find_or_generate_expression): Add prototype.
18647 (set_contains_value): Allow null set for sake of not always having
18648 to allocate ANTIC_SAFE_LOADS.
18649 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18650 Allow COMPONENT_REF too.
18651 (valid_in_set): Allow COMPONENT_REF.
18652 Check ANTIC_SAFE_LOADS too.
18653 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18654 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18656 (can_PRE_operation): Add COMPONENT_REF.
18657 (create_component_ref_by_pieces): New function.
18658 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18659 (insert_aux): Move AGGREGATE_TYPE_P check here.
18660 (compute_avail): Set bb local stmt uids.
18661 (pass_pre): Use TODO_update_ssa_only_virtuals.
18663 2006-02-06 Ben Elliston <bje@au.ibm.com>
18665 * configure.ac: Unconditionally disable decimal float by default.
18666 * configure: Regenerate.
18668 2006-02-06 Ben Elliston <bje@au.ibm.com>
18670 * read-rtl.c (read_name): Terminate reading on EOF.
18672 2006-02-06 Ben Elliston <bje@au.ibm.com>
18674 * dfp.c (decimal_real_arithmetic): Change second argument type
18675 from int to enum tree_code. Do not always return true, but now
18676 return result of any call to decimal_do helper functions.
18677 * dfp.h (decimal_real_arithmetic): Update prototype.
18679 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18681 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18683 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18686 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18689 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18691 * tree-vrp.c (cfg_loops): Removed.
18692 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18693 Use current_loops instead of cfg_loops. Pass flags to
18694 loop_optimizer_init.
18695 * cfgloopmanip.c (fix_loop_structure): Update only available
18697 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18698 loop_optimizer_init.
18699 * modulo-sched.c (build_loops_structure): Removed.
18700 (sms_schedule): Use loop_optimizer_init.
18701 * loop-init.c (loop_optimizer_init): Use flags to determine
18702 which properties of loops to prepare.
18703 (rtl_loop_init): Pass flags to loop_optimizer_init.
18704 * tree-ssa-sink.c (execute_sink_code): Ditto.
18705 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18706 * tree-ssa-pre.c (init_pre): Ditto.
18707 * cfgloop.h (LOOPS_NORMAL): New.
18708 (loop_optimizer_init): Declaration changed.
18710 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18712 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18713 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18715 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18717 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18719 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18720 * pa/t-pa64: Delete quadlib.c rule.
18721 * pa/x-ada: Revert last change.
18722 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18724 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18726 PR rtl-optimization/26087
18727 * rtlanal.c (canonicalize_condition): Do not cross basic block
18730 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18733 * config/ia64/ia64.c: Include debug.h.
18734 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18735 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18736 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18737 (process_epilogue, process_set, process_for_unwind_directive):
18738 Output unwind info only if requested. Add CFA info if requested.
18739 Add new arguments as needed. Adjust callers.
18740 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18742 (DWARF2_FRAME_INFO): Define to zero.
18743 * config/ia64/unwind-ia64.c: Remove code that compensated for
18744 the CFA offset error fixed above.
18745 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18746 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18747 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18748 -funwind-tables and -fexceptions to enable frame info.
18749 (dwarf2out_frame_init): Define initial CFA even if
18750 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18751 DWARF2_UNWIND_INFO is nonzero, not just defined.
18752 (dwarf2out_frame_finish): Output non-EH call frame info only
18753 if DWARF2_FRAME_INFO is nonzero.
18754 (convert_cfa_to_loc_list,
18755 compute_frame_pointer_to_cfa_displacement): Define even if
18756 unwind info is not supported.
18757 (gen_subprogram_die): Use the above unconditionally. Remove
18758 legacy alternate code.
18759 * toplev.c (compile_file): Compile in call to
18760 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18761 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18763 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18764 Jakub Jelinek <jakub@redhat.com>
18766 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18767 IBM extended float format long double as "g" on powerpc*-linux.
18769 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18772 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18773 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18775 2006-02-03 Jason Merrill <jason@redhat.com>
18778 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18780 PR middle-end/25977
18781 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18782 on the return slot if it's an NRV.
18784 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18786 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18787 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18788 rewrite_use): Do not handle USE_OUTER.
18789 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18790 add_iv_outer_candidates, may_replace_final_value,
18791 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18792 (find_interesting_uses_op): Functionality of
18793 find_interesting_uses_outer_or_nonlin moved here.
18794 (find_interesting_uses_outside): Use find_interesting_uses_op.
18796 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18799 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18801 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18802 Ulrich Weigand <uweigand@de.ibm.com>
18805 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18806 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18807 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18808 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18810 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18811 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18812 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18813 Define secondary reloads for TFmode moves.
18814 (constant_modes): Add TFmode.
18815 (NR_C_MODES): Set to 8.
18816 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18818 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18819 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18820 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18821 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18822 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18823 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18824 (FPR mode macro): Add TFmode.
18825 (DSF mode macro): New.
18826 (<de>, <dee> mode attributes): Removed.
18827 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18828 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18829 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18830 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18831 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18832 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18833 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18834 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18835 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18836 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18837 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18838 "*negabs<mode>2", "sqrt<mode>2"):
18839 Changed <de> to <xde>. R constraint replaced by <Rf>.
18840 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18842 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18843 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18844 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18846 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18847 "extenddftf2", "extendsftf2"): New expanders.
18848 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18849 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18850 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18851 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18853 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18854 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18855 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18856 __floatditf): Add a GCC_4.1.0 symbol version tag.
18857 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18860 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18863 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18864 Use targetm.binds_local_p instead of TREE_PUBLIC.
18866 2006-02-02 Roger Sayle <roger@eyesopen.com>
18868 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18869 on INTEGER_TYPEs to indicate that it denotes a character type.
18870 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18871 signed_char_type_node, unsigned_char_type_node and char_type_node.
18872 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18873 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18874 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18876 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18877 Daniel Berlin <dberlin@dberlin.org>
18879 * tree-tailcall.c (arg_needs_copy_p): New function.
18880 (eliminate_tail_call): Use arg_needs_copy_p.
18881 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18882 (add_virtual_phis): New function.
18884 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18886 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18887 #ignore instead of #scratch for %g7 .register directive.
18889 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18891 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18894 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18896 * flow.c (calculate_global_regs_live): Assert that there aren't any
18899 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18901 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18902 what its name says.
18903 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18904 bsi_after_labels iterator.
18905 * tree-if-conv.c (find_phi_replacement_condition,
18906 replace_phi_with_cond_modify_expr): Likewise.
18907 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18908 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18910 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18912 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18914 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18917 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18918 array after growing it.
18920 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18922 PR middle-end/24901
18923 * fold-const.c (fold_checksum_tree): Change type of buf.
18925 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18927 * reload.c (push_secondary_reload): Initialize t_icode.
18929 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18931 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18932 -msoft-float -mlong-double-128 only issue a warning, but don't
18933 swich to DFmode long double.
18935 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18937 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18938 has a constant equivalent, iterate over equivalents for arg0,
18939 calling simplify_relational_operation and if there's a result
18940 cheaper than X, apply fold_rtx and return the result.
18942 2006-02-01 Jan Hubicka <jh@suse.cz>
18944 * opts.c (no_unit_at_a_time_default): New global variable.
18945 (decode_options): Use it.
18946 * opts.h (no_unit_at_a_time_default): Declare.
18948 2006-02-01 Paul Brook <paul@codesourcery.com>
18950 * function.c (assign_parm_setup_reg): Use function argument promotion
18952 * expr.c (expand_expr_real_1): Use function argument promotion rules
18955 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18957 * gcc.c (process_command): Change j to 'unsigned int'.
18959 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18961 PR middle-end/26001
18962 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18963 Use the corrected index for the character
18964 out of the string constant.
18966 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18968 * mode-switching.c (optimize_mode_switching): Fix size
18969 allocated for bb_info[n_entities].
18971 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18973 * gcc.c (main): Correct type that is allocated for
18974 explicit_link_files.
18976 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18978 * config/s390/s390.c (init_alignment_context): Set
18979 ALIAS_SET_MEMORY_BARRIER on the MEM.
18980 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18982 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18984 PR middle-end/25933
18985 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18987 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18990 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18992 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18993 * regrename.c: Ditto.
18994 * tree-ssa-loop-im.c: Ditto.
18995 * tree-dump.c: Ditto.
18996 * tree-complex.c: Ditto.
18997 * genrecog.c: Ditto.
18998 * tree-ssa-threadupdate.c: Ditto.
19000 * java/class.c: Ditto.
19001 * java/jcf-parse.c: Ditto.
19002 * java/resource.c: Ditto.
19003 * java/except.c: Ditto.
19004 * java/jvspec.c: Ditto.
19005 * java/jcf-write.c: Ditto.
19006 * java/jcf-path.c: Ditto.
19007 * java/gjavah.c: Ditto.
19008 * java/zextract.c: Ditto.
19009 * java/jcf-io.c: Ditto.
19010 * java/jcf.h: Ditto.
19011 * java/buffer.c: Ditto.
19012 * java/lang.c: Ditto.
19013 * java/parse-scan.y: Ditto.
19014 * java/lex.c: Ditto.
19015 * java/lex.h: Ditto.
19016 * cfgloopmanip.c: Ditto.
19017 * postreload-gcse.c: Ditto.
19018 * tree-ssa-loop-manip.c: Ditto.
19019 * postreload.c: Ditto.
19020 * tree-ssa-loop-ch.c: Ditto.
19023 * cppspec.c: Ditto.
19024 * diagnostic.c: Ditto.
19026 * genoutput.c: Ditto.
19028 * cfghooks.c: Ditto.
19029 * cfgloopanal.c: Ditto.
19030 * objc/objc-act.c: Ditto.
19032 * genextract.c: Ditto.
19033 * genautomata.c: Ditto.
19034 * pretty-print.c: Ditto.
19035 * genemit.c: Ditto.
19036 * cgraphunit.c: Ditto.
19038 * df-scan.c: Ditto.
19039 * haifa-sched.c: Ditto.
19040 * dominance.c: Ditto.
19042 * tree-ssa-loop-ivopts.c: Ditto.
19043 * df-core.c: Ditto.
19044 * mode-switching.c: Ditto.
19045 * modulo-sched.c: Ditto.
19047 * ipa-pure-const.c: Ditto.
19049 * fix-header.c: Ditto.
19051 * tree-stdarg.c: Ditto.
19052 * ipa-utils.c: Ditto.
19053 * loop-init.c: Ditto.
19054 * ipa-inline.c: Ditto.
19055 * cfganal.c: Ditto.
19057 * alloc-pool.c: Ditto.
19058 * dwarf2out.c: Ditto.
19060 * genattrtab.c: Ditto.
19061 * tree-ssa-loop-ivcanon.c: Ditto.
19062 * predict.c: Ditto.
19063 * timevar.c: Ditto.
19065 * fortran/gfortranspec.c: Ditto.
19066 * regmove.c: Ditto.
19067 * local-alloc.c: Ditto.
19068 * langhooks.c: Ditto.
19069 * function.c: Ditto.
19070 * tree-vectorizer.c: Ditto.
19072 * ipa-type-escape.c: Ditto.
19074 * tree-if-conv.c: Ditto.
19075 * profile.c: Ditto.
19077 * tree-data-ref.c: Ditto.
19078 * loop-unroll.c: Ditto.
19079 * treelang/treetree.c: Ditto.
19081 * bt-load.c: Ditto.
19082 * ggc-common.c: Ditto.
19084 * coverage.c: Ditto.
19086 * tree-cfgcleanup.c: Ditto.
19087 * tree-ssa-pre.c: Ditto.
19088 * cfgcleanup.c: Ditto.
19089 * loop-invariant.c: Ditto.
19090 * loop-iv.c: Ditto.
19091 * ipa-prop.c: Ditto.
19092 * print-tree.c: Ditto.
19093 * conflict.c: Ditto.
19094 * ggc-page.c: Ditto.
19095 * sched-deps.c: Ditto.
19096 * regclass.c: Ditto.
19097 * tree-object-size.c: Ditto.
19098 * combine.c: Ditto.
19099 * bb-reorder.c: Ditto.
19100 * resource.c: Ditto.
19101 * var-tracking.c: Ditto.
19102 * cfgloop.c: Ditto.
19103 * df-problems.c: Ditto.
19104 * reg-stack.c: Ditto.
19106 * gccspec.c: Ditto.
19107 * sched-rgn.c: Ditto.
19108 * tree-ssa-structalias.c: Ditto.
19109 * tree-ssa-reassoc.c: Ditto.
19110 * config/darwin-c.c: Ditto.
19111 * config/darwin.c: Ditto.
19112 * config/arm/arm.c: Ditto.
19114 * collect2.c: Ditto.
19115 * reload1.c: Ditto.
19117 2006-01-31 Nicolas Pitre <nico@cam.org>
19119 * arm.md (smaxsi3): Make aware of smax_m1.
19122 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19124 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19126 2006-01-31 Richard Guenther <rguenther@suse.de>
19128 * doc/invoke.texi (-msselibm): Document.
19129 * target.h (expand_library_builtin): New target hook.
19130 * builtins.c (expand_builtin): Use expand_library_builtin.
19131 (default_expand_library_builtin): New function.
19132 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19133 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19134 (link_gcc_math_spec): Declare.
19135 (static_specs): Add link_gcc_math_spec.
19136 * expr.h (default_expand_library_builtin): Declare.
19137 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19138 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19139 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19140 * config/i386/i386.opt (msselibm): New target option.
19141 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19142 (ix86_init_sse_abi_builtins): New function.
19143 (ix86_expand_library_builtin): Likewise.
19144 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19145 (override_options): Handle error conditions wrt -msselibm.
19146 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19147 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19148 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19151 2006-01-31 Richard Guenther <rguenther@suse.de>
19152 Paolo Bonzini <bonzini@gnu.org>
19154 * doc/install.texi (--disable-libgcc-math): Document.
19156 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19158 * expr.h (expand_normal): new inline function.
19159 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19160 * dojump.c: use it.
19161 * dwarf2out.c: use it.
19164 * expmed.c: use it.
19165 * except.c: use it.
19166 * config/sparc/sparc.c: use it.
19167 * config/i386/i386.c: use it.
19168 * config/rs6000/rs6000.c: use it.
19169 * config/arm/arm.c: use it.
19170 * config/mips/mips.c: use it.
19171 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19173 2006-01-30 Roger Sayle <roger@eyesopen.com>
19175 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19176 argv to the appropriate type.
19178 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19180 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19183 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19186 * config/s390/s390.c (struct machine_function): New flag
19187 decomposed_literal_pool_addresses_ok_p.
19188 (s390_reorg): Set it before final stage of literal pool transforms.
19189 (s390_decompose_address): Only accept displacements of the form
19190 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19192 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19194 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19195 the comparison routine return.
19197 2006-01-30 Michael Matz <matz@suse.de>
19199 * global.c (find_reg): Only evict for global regs.
19200 Take n_refs into account and dump more info.
19202 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19205 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19206 (pragma_trap, pragma_nosave_low_regs): Likewise.
19207 (current_function_anonymous_args): Likewise.
19208 (sh_deferred_function_attributes): New variable.
19209 (sh_deferred_function_attributes_tail): Likewise.
19210 (print_operand): For '@', look up trap_exit attribute.
19211 (calc_live_regs): Look up trapa_handler attribute. For trapa
19212 handlers, save/restore fpscr, but don't do any other
19213 interrupt-specific saves.
19214 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19215 Fix check for partially saved registers to check for SHmedia.
19216 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19217 (sh_output_function_epilogue): Don't clear any of the removed
19219 (sh_insert_attributes): Don't check pragma_interrupt.
19220 Insert deferred attributes. Check that interrupt attribute is
19221 present for other attributes that require its presence.
19222 (sh_attribute_table): Add new attributes trapa_handler and
19224 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19225 Don't check for pragma_interrupt. Don't store argument.
19226 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19227 (sh_deferred_function_attributes): Declare.
19228 (sh_deferred_function_attributes_tail): Likewise.
19229 * sh.md (sp_switch_1): Add operand. Change generator caller.
19230 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19231 (*return_i): Don't use when trap_exit attribute is in effect.
19232 (*return_trapa): New insn pattern.
19233 * sh-c.c: New file.
19234 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19235 setting c_target_objs and cxx_target_objs.
19236 * t-sh: Add rule for sh-c.o.
19238 2006-01-30 Richard Guenther <rguenther@suse.de>
19241 * gimplify.c (gimplify_target_expr): Handle easy cases
19242 without creating a temporary.
19244 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19246 * vec.h (safe_grow): Remove duplicated line.
19248 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19251 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19252 (expand_omp): ... here.
19253 (expand_omp_parallel): Only remove barriers for combined
19254 parallel+workshare constructs.
19256 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19260 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19261 * tree.c (build_qualified_type): Chain the new type to the original
19262 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19263 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19264 (build_pointer_type_for_mode): Only return unqualified types.
19265 (build_reference_type_for_mode): Likewise.
19267 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19269 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19270 * Makefile.in (CXX_COMPAT_WARN): Define.
19271 * configure: Regenerate.
19273 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19276 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19279 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19281 * toplev.c: Fix thinko.
19283 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19284 Marcin Dalecki <martin@dalecki.de>
19286 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19287 (push_srcloc): Use XNEW.
19288 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19290 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19292 * df-core.c (df_set_blocks): Deleted all variable.
19294 2006-01-28 Ian Lance Taylor <ian@airs.com>
19296 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19297 cgraph_output_pending_asms.
19299 2006-01-28 Zack Weinberg <zackw@panix.com>
19301 * c.opt: Add -W(no-)overlength-strings.
19302 * doc/invoke.texi: Document it.
19303 * c-opts.c (c_common_handle_option): -pedantic implies
19304 -Woverlength-strings, if not explicitly disabled already.
19305 (c_common_post_options): -Woverlength-strings defaults to off, and
19306 is always off for C++.
19307 * c-common.c (fix_string_type): Issue warning about strings longer
19308 than is portable only if warn_overlength_strings. Rearrange code
19309 a little for clarity.
19310 * configure.in: Check for -Wno-overlength-strings as well before
19311 enabling -pedantic in stage 1.
19312 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19313 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19315 * genconditions.c (write_header, write_one_condition)
19316 (write_conditions, write_writer): Consolidate very long strings
19317 that were broken up to fit in C89 portable limit. Don't use
19318 printf when fputs will do.
19320 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19322 * combine.c (simplify_comparison <AND>): Check
19323 TRULY_NOOP_TRUNCATION before start using a subreg.
19325 * config/mips/mips.md (*branch_zero<mode>,
19326 *branch_zero<mode>_inverted, *branch_equality<mode>,
19327 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19328 Remove mode check from comparisons.
19330 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19332 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19334 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19336 * expmed.c (const_mult_add_overflow_p): Remove.
19337 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19339 * recog.c (validate_replace_rtx_subexp): Remove.
19340 * recog.h: Remove the prototype for
19341 validate_replace_rtx_subexp.
19343 * integrate.h: Remove the prototype for
19344 copy_decl_for_inlining.
19345 * rtl.h: Remove the prototype for mark_constant_function.
19346 * tree-vectorizer.h: Remove the prototype for
19347 vect_strip_conversion.
19349 * modulo-sched.c (create_partial_schedule,
19350 free_partial_schedule, reset_partial_schedule): Make them
19353 * hooks.c (hook_bool_rtx_int_false): Remove.
19354 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19356 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19358 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19359 and -mlong-double-128 are incompatible.
19360 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19361 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19362 (TARGET_LIBGCC2_CFLAGS): Define.
19363 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19364 (TARGET_LIBGCC2_CFLAGS): Same.
19365 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19367 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19370 * c-typeck.c (build_binary_op): Perform implicit casts of
19371 operands before shortening them.
19373 * cfgloopmanip.c (split_loop_bb): Remove.
19374 * cfgloop.h: Remove the prototype for split_loop_bb.
19376 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19377 * cfgloop.h: Remove the prototype for
19378 flow_loop_outside_edge_p.
19380 * emit-rtl.c (init_virtual_regs): Make it static.
19381 * function.h: Remove the prototype for init_virtual_regs.
19383 * recog.c (peephole2_optimize): Make it static.
19384 * recog.h: Remove the prototype for peephole2_optimize.
19386 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19388 * df-scan.c (df_record_entry_block_defs): Check if
19389 INCOMING_RETURN_ADDR_RTX is defined.
19391 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19392 Kenneth Zadeck <zadeck@naturalbridge.com>
19394 PR rtl-optimization/24762
19395 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19396 * targhooks.c (hook_void_bitmap): New hook prototype.
19397 * targhoohs.h (hook_void_bitmap): Ditto.
19398 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19399 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19400 * target.h (live_on_entry): New function pointer.
19401 * df-scan.c (df_all_hard_regs): Removed.
19402 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19403 (df_scan_free_internal): Added df->entry_block_defs.
19404 (df_scan_alloc): Ditto.
19405 (df_scan_dump): Ditto.
19406 (df_uses_record): Plumbed flag field properly thru calls.
19407 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19408 This part fixes PR24762.
19409 (df_bb_refs_record): Added code to make the frame and arg
19410 pointers live in EH blocks.
19411 (df_refs_record): Added call to df_record_entry_block_defs.
19412 (df_record_entry_block_defs): New function.
19413 * df-core.c: Added comments to describe new artifical defs.
19414 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19415 (entry_block_defs): New field in struct df.
19416 (df_all_hard_regs): Deleted.
19417 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19418 * df-problems.c (df_ru_bb_local_compute_process_def):
19419 Added code to handle artifical defs in the entry to a function.
19420 (df_ru_bb_local_compute): Ditto.
19421 (df_rd_bb_local_compute_process_def): Ditto.
19422 (df_rd_bb_local_compute): Ditto.
19423 (df_lr_bb_local_compute): Ditto.
19424 (df_ur_bb_local_compute): Ditto.
19425 (df_urec_bb_local_compute): Ditto.
19426 (df_chain_create_bb): Ditto.
19427 (df_ur_local_finalize): Removed entry.
19428 (df_urec_init): Ditto.
19429 (df_urec_local_finalize): Ditto.
19430 (df_ri_bb_compute): Added detection of last use of pseudos.
19431 * Makefile.in (df-scan.o): Updated dependencies.
19432 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19433 * config/mips/mips.c (mips_set_live_on_entry): Added.
19434 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19436 * dce.c (marked_insn_p): Added code to handle artifical defs.
19438 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19440 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19442 (_mm_cvtsi128_si64): Likewise.
19443 (_mm_cvtsd_si64): Likewise.
19444 (_mm_cvttsd_si64): Likewise.
19445 (_mm_cvtsi64_sd): Likewise.
19446 (_mm_cvtsi64_si128): Likewise.
19447 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19448 (_mm_cvtsi64_m64): Likewise.
19449 (_m_to_int64): Likewise.
19450 (_mm_cvtm64_si64): Likewise.
19451 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19452 (_mm_cvttss_si64): Likewise.
19453 (_mm_cvtsi64_ss): Likewise.
19454 (_mm_cvtss_f32): Likewise.
19456 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19458 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19459 for pragma redefine_extname.
19461 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19464 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19465 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19466 -mno-minimal-toc to previous content.
19467 (bispecs): Remove goal.
19468 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19469 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19470 compatibility aliases on powerpc-*-*gnu*.
19471 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19472 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19473 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19474 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19475 (ldblspecs): New goal.
19476 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19477 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19479 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19480 L_sf_to_tf or L_df_to_tf is defined.
19482 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19483 Alan Modra <amodra@bigpond.net.au>
19486 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19487 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19488 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19489 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19490 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19491 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19492 (rs6000_override_options): Initialize rs6000_ieeequad.
19493 Initialize TFmode format to ibm_extended_format if not
19495 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19497 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19498 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19499 (function_arg_advance): IBM long double passed in two FPRs, not
19501 (function_arg): IBM long double passed in FPRs.
19502 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19503 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19504 Only multireg GPR aligned.
19505 (rs6000_init_libfuncs): Enable IBM long double functions if not
19507 (rs6000_generate_compare): Use IBM long double compare if not
19509 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19510 (TARGET_IEEEQUAD): Define.
19511 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19512 not TARGET_IEEEQUAD.
19513 * config/rs6000/rs6000.md: Enable TFmode patterns if
19515 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19516 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19517 and -mlong-double-128 are incompatible.
19518 * doc/invoke.texi (-mabi): Collect options together. Add
19519 ibmlongdouble and ieeelongdouble.
19521 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19523 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19525 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19526 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19527 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19528 * rtl.h (rtunion_def): Remove rt_ptr.
19530 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19531 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19532 * config/i386/winnt.c (i386_pe_mark_dllexport)
19533 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19535 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19537 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19539 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19543 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19544 pthread_key_delete. From John David Anglin. gthrw-ify
19545 pthread_getunique_np only if it it's not a macro. Delete
19547 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19548 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19549 __gthread_objc_condition_signal, __gthread_key_delete): Add
19550 "__attribute__ ((__unused__))" to unused arguments.
19551 (__gthread_recursive_mutex_init_function): Add missing return.
19552 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19553 gthr-posix95.h: Use macro-based approach for name redirection
19554 on targets missing weakref.
19556 2006-01-26 Zack Weinberg <zackw@panix.com>
19558 * genconditions.c (write_header): In generated code, #ifdef out
19559 all includes and fake declarations, except includes of bconfig.h
19560 and system.h, unless GCC_VERSION >= 3001. Do not include
19561 gensupport.h in any case.
19562 (write_conditions): Generate a definition of struct c_test. Add
19563 a comment to the generated #endif.
19564 (write_one_condition): Escape backslashes in string too.
19565 (write_writer): Generated code must escape backslashes and quote
19566 marks (but not newlines) in the strings it writes.
19567 * Makefile.in (build/gencondmd.o): Update dependencies.
19569 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19572 * Makefile.in (insn-automata.o): Add header file dependencies.
19573 * genautomata.c: Add includes.
19575 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19578 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19580 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19582 * configure.ac: Expect target tools paths to be passed from the toplevel
19583 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19585 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19587 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19590 * c.opt (Wpointer-sign): Init to -1.
19591 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19592 OPT_pedantic, to 0 otherwise.
19593 * doc/invoke.texi: Update.
19595 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19597 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19598 constants provided by 80387 instructions in the destination mode.
19600 2006-01-26 Richard Guenther <rguenther@suse.de>
19601 Andrew Pinski <pinskia@physics.uc.edu>
19604 partial PR tree-opt/17064
19605 * tree-ssa-structalias.c (intra_create_variable_infos):
19606 Create heap variables for incoming parameters if
19607 flag_argument_noalias > 1.
19608 (find_what_p_points_to): Look through default defs of
19611 2006-01-26 Jeff Law <law@redhat.com>
19614 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19615 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19616 within the VR_RANGE, use the VR_RANGE as the result, not the
19618 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19619 bounds for the type.
19621 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19623 * tree-ssa-alias.c (maybe_create_global_var): Change
19624 subvar walking to an assertion that we don't have subvar'd variables.
19626 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19629 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19630 Use a new variable, inner. PARM_DECLs are always non-weak.
19632 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19634 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19635 --disable-checking.
19637 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19639 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19641 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19643 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19644 (smax_insn, smin_insn, smax_0, smin_0): New.
19646 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19649 * config/cris/cris.c (cris_order_for_addsi3): New function.
19650 * config/cris/cris-protos.h: Prototype it.
19651 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19652 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19653 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19654 (split for "op.S1 [rx=rx+i],ry (swapped)")
19655 (split for "op(s|u).S1 [rx=rx+i],ry")
19656 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19657 Apply cris_order_for_addsi3 when generating addsi3 insns.
19659 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19661 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19662 (TREE_BLOCK): Add call to EXPR_CHECK.
19664 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19667 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19668 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19669 (dump_omp_clauses): ... here.
19670 (dump_generic_node): Handle OMP_CLAUSE.
19671 * tree.c (omp_clause_num_ops): New.
19672 (omp_clause_code_name): New.
19673 (tree_code_size): Handle OMP_CLAUSE.
19674 (tree_size): Likewise.
19675 (make_node): Document handling of OMP_CLAUSE.
19676 (tree_node_structure): Handle OMP_CLAUSE.
19677 (omp_clause_check_failed): New.
19678 (omp_clause_range_check_failed): New.
19679 (omp_clause_operand_check_failed): New.
19680 (build_omp_clause): New.
19681 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19682 * tree.h (enum omp_clause_code): Declare.
19683 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19684 (OMP_CLAUSE_RANGE_CHECK): Define.
19685 (OMP_CLAUSE_ELT_CHECK): Define.
19686 (omp_clause_check_failed): Declare.
19687 (omp_clause_operand_check_failed): Declare.
19688 (omp_clause_range_check_failed): Declare.
19689 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19690 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19691 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19692 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19693 (OMP_CLAUSE_IF_EXPR): Likewise.
19694 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19695 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19696 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19697 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19698 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19699 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19700 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19701 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19702 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19703 (OMP_CLAUSE_CODE): Define.
19704 (OMP_CLAUSE_SET_CODE): Define.
19705 (OMP_CLAUSE_CODE): Define.
19706 (OMP_CLAUSE_OPERAND): Define.
19707 (struct tree_omp_clause): Declare.
19708 (union tree_node): Add field 'omp_clause'.
19709 * treestruct.def (TS_OMP_CLAUSE): Define.
19710 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19711 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19712 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19713 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19714 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19715 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19716 (OMP_CLAUSE): Define.
19717 * print-tree.c (print_node): Handle OMP_CLAUSE.
19718 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19719 * c-typeck.c: Likewise.
19720 * gimplify.c: Likewise.
19721 * c-omp.c: Likewise.
19722 * tree-nested.c: Likewise.
19723 * tree-inline.c: Likewise.
19724 * c-parser.c: Likewise.
19725 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19728 2006-01-25 Roger Sayle <roger@eyesopen.com>
19730 PR rtl-optimization/25703
19731 * combine.c (try_combine): Handle zero_extract and strict_low_part
19732 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19734 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19736 * global.c: Fix comment typos.
19738 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19741 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19742 Use output_addr_const instead of assemble_name.
19744 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19746 * Makefile.in (sched-vis.o): Update dependencies.
19747 * haifa-sched.c (sched_finish): Clear current_sched_info.
19748 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19749 (dump_flow_info): Call it.
19750 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19752 * basic-block.h (dump_bb_info): Declare.
19753 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19754 option, and apply options only for dump files whose TDF_RTL,
19755 TDF_TREE, or TDF_IPA bits match.
19756 * rtl.h: Declare new functions exported from sched-vis.c.
19757 * sched-vis.c: Enable also if scheduling is not used.
19758 (print_value): Print the mode of registers if not inside scheduling.
19759 (print_insn): Make it work outside the scheduler. Beautify the output
19761 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19763 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19765 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19766 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19767 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19768 depending on the value of CONSTANT_POOL_ADDRESS_P.
19769 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19771 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19772 rather than SYMBOL_REF_DECL.
19773 (rtx_constant_pool): Remove const_rtx_sym_htab.
19774 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19775 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19776 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19777 Remove handling of const_rtx_sym_htab.
19778 (find_pool_constant): Delete.
19779 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19780 rather than find_pool_constant.
19781 (get_pool_constant_for_function): Delete.
19782 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19783 find_pool_constant.
19784 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19785 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19786 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19787 (SYMBOL_REF_CONSTANT): New macro.
19788 (get_pool_constant_for_function): Delete.
19789 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19790 rather than SYMBOL_REF_DECL.
19791 (i386_pe_mark_dllimport): Likewise.
19792 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19793 rather than SYMBOL_REF_DECL.
19794 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19795 (machopic_indirect_call_target): Likewise.
19797 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19799 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19801 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19803 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19805 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19807 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19809 2006-01-24 David Daney <ddaney@avtrex.com>
19812 * configure.ac (enable_tls): New enable option.
19813 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19814 * configure: Regenerate.
19815 * doc/install.texi (--enable-tls): Document new option.
19816 (--disable-tls): Ditto.
19818 2006-01-24 Richard Henderson <rth@redehat.com>
19820 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19821 * alias.c (true_dependence): Respect it.
19822 (canon_true_dependence, write_dependence_p): Likewise.
19823 * builtins.c (get_builtin_sync_mem): Set it.
19825 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19827 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19830 2006-01-24 DJ Delorie <dj@redhat.com>
19832 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19833 for storing constants in single-bit bitfields.
19835 2006-01-25 Ben Elliston <bje@au.ibm.com>
19837 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19839 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19842 * tree-ssa-pre.c (phi_translate): Return NULL
19843 for AGGREGATE_TYPE's.
19845 2006-01-24 Zack Weinberg <zackw@panix.com>
19847 * genautomata.c (process_state_for_insn_equiv_partition):
19848 Use xcalloc for insn_arcs_array.
19849 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19850 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19852 2006-01-24 Richard Henderson <rth@redhat.com>
19854 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19855 update all callers.
19857 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19859 PR rtl-optimization/25890
19860 PR rtl-optimization/25905
19861 * combine.c (expand_compound_operation, expand_field_assignment):
19862 Fail if the bitfield's final position is out of bounds.
19864 2006-01-24 Ian Lance Taylor <ian@airs.com>
19866 PR middle-end/25930
19867 * cgraphunit.c (cgraph_output_in_order): Don't clear
19868 cgraph_asm_nodes until after asm strings have been output.
19870 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19872 * fix-header.c (read_scan_file): Add new parameter imultilib when
19873 calling register_include_chains.
19875 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19877 * omp-low.c: Update documentation.
19879 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19880 Daniel Berlin <dberlin@dberlin.org>
19884 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19885 return from the function.
19887 2006-01-22 Zack Weinberg <zackw@panix.com>
19889 * rtl.def (match_code): Add second argument.
19890 * genpreds.c (write_extract_subexp): New function.
19891 (write_match_code): Add path argument. Use write_extract_subexp.
19892 (write_predicate_expr): Pass path to write_match_code.
19893 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19894 not perform a mode test.
19895 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19896 a subexpression does not constrain the top-level code set.
19897 * read-rtl.c (read_rtx_variadic): New function.
19898 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19899 * doc/md.texi: Document new notation.
19900 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19901 (cmpsi_operand): ... here, using new notation.
19903 2006-01-22 Zack Weinberg <zackw@panix.com>
19905 * varray.c: Remove GENERATOR_FILE #ifdefs.
19907 2006-01-22 Zack Weinberg <zackw@panix.com>
19909 * genautomata.c (output_reserved_units_table): Emit nothing if
19910 description->query_units_num is zero. Remove extra blank line.
19911 (output_cpu_unit_reservation_p): Short circuit
19912 if description->query_units_num is zero.
19914 2006-01-22 Zack Weinberg <zackw@panix.com>
19916 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19917 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19918 nor any of the random handful of variables that used to be necessary
19919 when this program was linked with rtlanal.o. Prune set of forward
19920 function declarations.
19921 (struct attr_desc): Remove static_p field.
19922 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19923 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19924 (attr_string): Do not read the character one past the length of
19926 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19927 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19928 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19929 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19930 (make_automaton_attrs): New.
19931 (main): Do not call into genautomata. Call local gen_bypass
19932 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19933 Remove special case for insn_alts.
19934 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19935 varray.h (leftover from previous change). Prune set of forward
19936 function declarations. Remove state_alts fields from all
19937 structures. Remove state_alts_table from struct automaton.
19938 Make everything except main static. Do not maintain num_dfa_decls.
19939 Do not maintain state_alts fields of various structures.
19940 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19941 (add_arc): Remove state_alts argument. All callers updated.
19942 (output_reserved_units_table): Emit #ifdef here...
19943 (output_tables): ...not here. Don't generate state_alts tables.
19944 (expand_automata): Don't generate attributes.
19945 (write_automata): Don't generate state_alts functions.
19946 (main): New function.
19947 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19948 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19949 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19950 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19951 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19952 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19953 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19954 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19956 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19957 * genattrtab.h: Delete file.
19958 * Makefile.in (OBJS-common): Add insn-automata.o.
19959 (insn-automata.o): New rule.
19960 (simple_generated_c): Add insn-automata.c.
19961 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19962 (genprogmd): Add automata.
19963 (build/genattrtab): Needs no extra objects nor libraries.
19964 (build/genautomata): Needs build/vec.o and -lm.
19966 2006-01-22 Zack Weinberg <zackw@panix.com>
19968 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19969 (output_dfa_max_issue_rate, locked_states_num): Delete.
19970 (struct automaton): Add locked_states field.
19971 (output_dead_lock_vect): Save number of locked states in
19972 automaton->locked_states. If it is zero, don't print anything.
19973 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19974 (output_internal_dead_lock_func): Only test the dead_lock_vect
19975 for automata that have locked states.
19976 (output_statistics): Always print the number of locked states for
19977 each automaton. Calculate total number of locked states here.
19978 (write_automata): Don't call output_dfa_max_issue_rate.
19979 * genattrtab.c: Define length_unit_log as a const variable.
19980 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19981 max_insn_queue_index const.
19982 * final.c (length_unit_log): Declare const.
19983 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19985 2006-01-22 Zack Weinberg <zackw@panix.com>
19987 * genautomata.c: Include vec.h, not varray.h.
19988 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19989 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19990 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19991 VEC_* macros operating on appropriately typed vectors, or to
19992 malloced arrays when the size is known in advance. Const-ify
19993 many char* variables and function arguments. No functional changes.
19994 * Makefile.in (build/varray.o): Delete rule.
19995 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19996 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19998 2006-01-22 Zack Weinberg <zackw@panix.com>
20000 * gensupport.c: Define get_insn_name and record_insn_name here.
20001 (read_md_rtx): Call record_insn_name as appropriate.
20002 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20003 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20004 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20006 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20007 (BUILD_VARRAY): Delete.
20008 (genprognormal): Rename genprogmd. Fold in all programs from
20009 genprognoprint; also attrtab.
20010 (build/genattrtab): Just mention genautomata.o and varray.o.
20011 Reorganize a bit, add comments to make the categories clearer.
20013 2006-01-22 Zack Weinberg <zackw@panix.com>
20015 * genconditions.c (condition_table, add_condition): Delete.
20016 (write_conditions): Don't emit n_insn_conditions nor
20017 insn_elision_unavailable. Issue the gcc version #ifdef here,
20018 inside the table, with no #else clause ...
20019 (write_header): ...not here.
20020 (write_writer): New function.
20021 (main): Don't initialize condition_table. Use add_c_test.
20023 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20024 files on the command line.
20025 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20026 Return -1 if there is no entry in the table, don't abort.
20027 (add_c_test, traverse_c_tests): New functions.
20028 * gensupport.h (insn_elision_unavailable, insn_conditions)
20029 (n_insn_conditions): Delete declarations.
20030 (add_c_test, traverse_c_tests): Declare.
20031 * read-rtl.c: Include gensupport.h.
20032 (read_conditions): New function.
20033 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20034 (read_rtx_1): If we get EOF when we were looking for an initial
20035 open paren, return 0. Call read_conditions when appropriate.
20036 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20037 dummy-conditions.o. Eliminate references to insn-conditions.o,
20038 or change them to build/gencondmd.o, as appropriate. Remove
20039 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20040 from $(simple_generated_c). For all files remaining in those
20041 two lists, add insn-conditions.md to the generator command line.
20042 Give insn-constants.h/s-constants their own rules. Add rules
20043 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20044 (build/read-rtl.o): Depend on gensupport.h.
20045 (genprognormal): Include preds.
20046 (genprogearly): Rename genprognoprint; only difference is now that
20047 they don't link with $(BUILD_PRINT).
20048 * dummy-conditions.c: Delete.
20050 2006-01-22 Zack Weinberg <zackw@panix.com>
20052 * genextract.c: Don't include insn-config.h. Do include vec.h.
20053 Declare vectors of int, char, and locstr.
20054 (locstr): New typedef.
20055 (struct extraction): Make all array fields into bare pointers.
20056 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20057 (insn_code_number): Delete.
20058 (accum_extract): New struct.
20059 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20060 (gen_insn): Take insn_code_number as an argument. Use an
20061 accum_extract structure instead of loading data directly into
20062 a struct extraction, and having to know how big it might get.
20063 (walk_rtx): Operate entirely on an accum_extract structure.
20064 (print_path): Avoid unnecessary use of printf.
20065 (print_header): New function, split out of main. Distinguish
20066 more carefully between an unrecognizable insn and an insn that
20067 has the code number of a define_expand.
20068 (main): Pass insn_code_number to gen_insn. Call print_header
20069 only after parsing. Avoid unnecessary use of printf.
20070 * Makefile.in (build/vec.o): New rule.
20071 (build/genextract): Depend on build/vec.o.
20072 (build/genextract.o): Don't depend on insn-config.h.
20074 2006-01-22 Zack Weinberg <zackw@panix.com>
20076 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20077 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20078 practical. Eliminate per-generator-program link rules.
20080 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20082 PR middle-end/24437
20083 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20084 with a call expr to ...
20085 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20087 2006-01-23 Richard Guenther <rguenther@suse.de>
20089 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20090 before make_edge with conditional EDGE_TRUE_VALUE.
20092 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20093 Jan Hubicka <jh@suse.cz>
20094 Richard Guenther <rguenther@suse.de>
20096 PR rtl-optimization/25654
20097 * cfgexpand.c (aggregate_contains_union_type): New function.
20098 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20099 for structure variables that contain a union type.
20101 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20103 * gengtype.c (new_structure): Return the structure.
20104 (create_option): Add an extra "next" argument.
20105 (create_field): New function.
20106 (adjust_field_rtx_def): Use create_option and create_field.
20107 Remove a now-unnecessary call to find_structure.
20108 (adjust_field_tree_def): Likewise.
20109 (note_yacc_type): Remove an unnecessary call to find_structure.
20110 * gengtype.h (new_structure): Return the structure.
20111 (create_option): Add an extra argument.
20112 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20113 (option): Adjust calls to create_option.
20115 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20117 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20119 2006-01-22 Paul Brook <paul@codesourcery.com>
20120 Peter Barada <peter@the-baradas.com>
20122 * config/m68k/m68k.md: Add Coldfire FPU support.
20123 Define FP mode macro and associated attributes.
20124 Use it for float mode patterns.
20125 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20126 (LIBCALL_VALUE): Use m68k_libcall_value.
20127 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20128 (m68k_function_value): Ditto.
20129 (emit_move_sequence): Ditto.
20130 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20131 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20132 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20133 (MULTILIB_EXCEPTIONS): Ditto.
20134 * config/m68k/m68k.opt: Add mcfv4e.
20135 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20136 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20137 (m68k_output_function_prologue): Save ColdFire FPU registers.
20138 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20139 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20140 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20141 ColdFire FPU registers.
20142 (m68k_libcall_value, m68k_function_value): New functions.
20143 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20144 (LIBCALL_VALUE): Use m68k_libcall_value.
20145 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20146 (MASK_COLDFIRE): Add MASK_CFV4E.
20147 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20148 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20149 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20150 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20151 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20152 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20153 * doc/invoke.tex: Document -mcfv4e on m68k.
20155 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20157 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20160 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20163 * c-opts.c (c_common_handle_option): Don't include
20164 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20165 * doc/invoke.texi (C++ Dialect Options): Document that
20166 -Wnon-virtual-dtor is no longer included in -Wall.
20168 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20170 * gcov.c (print_version), gcov-dump.c (print_version),
20171 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20174 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20176 * df-scan.c (problem_SCAN): Added NULL reset function.
20177 (df_scan_reset_blocks): Added code to call reset block function
20178 (df_bb_refs_delete) Fixed comment.
20179 (df_insn_refs_delete): Made tolerant of deleting non existent info
20180 for dataflow problems that need to be reset.
20181 * df-core.c (df_set_blocks): Ditto.
20182 * df.h (struct df_problem): Added reset_fun.
20183 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20184 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20185 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20186 functions to clear out all references to def-use or use-def chains.
20188 2006-01-21 Ben Elliston <bje@au.ibm.com>
20190 * varasm.c (assemble_real): Initialise data array.
20192 2006-01-20 Paul Brook <paul@codesourcery.com>
20194 Merge from csl-arm-branch.
20195 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20196 * config/arm/arm.md (movdi): Force operands[1] to a register
20197 if we have a non-register source.
20198 (*arm_movdi, *movdf_soft_insn): Require that one of the
20199 operands be a register.
20200 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20201 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20203 2006-01-20 DJ Delorie <dj@redhat.com>
20205 * varasm.c (initializer_constant_valid_p): Allow pointers
20206 initialized from integer constants of lesser precision.
20207 (output_constant): Allow non-int-sized pointer modes to be
20208 initialized from integer constants.
20210 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20213 * cppdefault.h (struct default_include): Add multilib flag.
20214 * cppdefault.c (cpp_include_defaults): Set it.
20215 * c.opt (-imultilib): New option.
20216 * c-opts.c (imultilib): New.
20217 (c_common_handle_option): Handle -imultilib.
20218 (c_common_post_options): Likewise.
20219 * c-incpath.c (add_standard_paths, register_include_chains):
20221 * c-incpath.h (register_include_chains): Add extra parameter.
20222 * gcc.c (do_spec_1): Generate -imultilib option.
20223 (The Specs Language): Update %I description.
20224 (process_command): Update copyright notice.
20225 * doc/cppopts.texi (-imultilib): Document.
20226 * doc/invoke.texi (-imultilib): Include in option summary.
20227 (%I): Update specs documentation.
20229 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20231 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20233 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20235 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20238 2006-01-20 Richard Guenther <rguenther@suse.de>
20239 Steven Bosscher <stevenb.gcc@gmail.com>
20241 PR rtl-optimization/24626
20242 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20243 EDGE_TRUE_VALUE if in RTL mode.
20246 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20247 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20249 2006-01-20 Dirk Mueller <dmueller@suse.com>
20252 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20253 instead of a special NOP marker.
20254 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20255 NOP marker handling.
20256 * c-common.h (empty_body_warning): Add forward declaration.
20257 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20258 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20260 2006-01-20 Paul Brook <paul@codesourcery.com>
20262 * Makefile.in (lang_checks): Keep going if mkdir fails.
20264 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20266 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20267 be able to clean out basic block when not necessary.
20268 (df_scan_free): Fixed to properly delete information if df is
20269 unused before calling df_finish.
20270 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20271 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20273 (df_bb_refs_delete): New function.
20274 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20275 * df-core.c (df_set_blocks): Added code to properly clean out
20276 unused blocks if they are not part of the blocks to consider.
20277 Added additional null check.
20278 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20279 be able to clean out basic block when not necessary
20280 * df.h (df_free_bb_function): Ditto.
20281 (df_bb_refs_delete): New function.
20282 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20283 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20284 basic block parameter to be able to clean out basic block when not
20286 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20287 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20288 Fixed to properly delete information if df is unused before
20291 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20293 PR rtl-optimization/25799
20294 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20295 Corrected confluence operator to remove bits from op2 before oring
20296 with op1 rather than removing bits from op1.
20297 (df_ru_transfer_function): Corrected test on wrong bitmap which
20298 caused infinite loop. Both of these problems were introduced in
20299 the dataflow rewrite.
20301 2006-01-19 DJ Delorie <dj@redhat.com>
20303 * reload1.c (find_reload_regs): Note the details of reload
20304 failures in the dump file.
20305 (spill_failure): Likewise.
20307 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20309 * loop-iv.c: Include df.h and hashtab.h.
20310 (enum iv_grd_result): New enum.
20311 (DF_REF_IV, DF_REF_IV_SET): New macros.
20312 (struct biv_entry): New.
20313 (df, bivs): New global variables.
20314 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20315 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20317 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20318 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20319 analyzed_for_bivness_p, record_biv): New functions.
20320 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20321 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20322 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20324 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20326 (iv_number_of_iterations): Use new interface to iv analysis.
20327 * loop-unroll.c: Do not include varray.h.
20328 (analyze_iv_to_split_insn): Use new interface to iv
20330 * loop-unswitch.c (may_unswitch_on): Ditto.
20331 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20333 (df_bb_modify): Realloc tables to the new index.
20334 (df_find_use): New function.
20335 * df.h (df_find_use): Declare.
20336 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20338 * cfgloop.h (struct rtx_iv): Remove analysed field.
20339 (iv_get_reaching_def): Removed.
20340 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20341 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20342 (loop-iv.o): Add df.h and hashtab.h dependency.
20343 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20345 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20348 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20350 (__floatundisf, __floatundidf): Likewise.
20351 * libgcc2.h (IS_IBM_EXTENDED): Define.
20353 2006-01-19 DJ Delorie <dj@redhat.com>
20355 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20357 2006-01-19 Paul Brook <paul@codesourcery.com>
20359 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20360 as nothrow when unwinding tables are disabled.
20362 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20365 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20366 of bit-field" when in system header.
20368 2006-01-19 DJ Delorie <dj@redhat.com>
20370 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20371 the 16 bit shift limit of the m16c.
20373 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20376 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20377 * config/i386/i386.c (output_set_got): Output the label if we have one
20378 for the TARGET_DEEP_BRANCH_PREDICTION case.
20380 2006-01-19 Jan Hubicka <jh@suse.cz>
20381 H.J. Lu <hongjiu.lu@intel.com>
20382 Evandro Menezes <evandro.menezes@amd.com>
20384 * invoke.texi (generic): Document
20386 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20387 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20388 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20389 (x86_use_incdec, x86_pad_returns): New variables
20390 (TARGET_CPU_DEFAULT_generic): New constant
20391 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20392 (enum processor_type): Add generic32 and generic64.
20393 * i386.md (cpu attribute): Add generic32/generic64
20394 (movhi splitter): Behave sanely when both partial_reg_dependency and
20395 partial_reg_stall are set.
20396 (K8 splitters): Enable for generic as well.
20397 * predicates.md (incdec_operand): Use TARGET_INCDEC
20398 (aligned_operand): Avoid memory mismatch stalls.
20399 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20400 * ppro.md: Enable for generic32
20401 * i386.c (generic64_cost, generic32_cost): New.
20402 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20403 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20404 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20405 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20406 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20407 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20408 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20409 x86_accumulate_outgoing_args, x86_prologue_using_move,
20410 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20411 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20412 Enable for generic.
20413 (x86_use_incdec, x86_pad_returns): New.
20414 (override_options): Add generic32 and generic64, translate "generic"
20415 to generic32/generic64 and "i686" to "generic32", refuse
20416 "generic32"/"generic64" as arch target.
20417 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20418 (ix86_reorg): Honor PAD_RETURNS.
20420 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20422 * tree-pretty-print.c (dump_generic_node): Handle
20423 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20424 * cgraph.c (cgraph_expand_queue): Rename from
20425 cgraph_analyze_queue. Update all users.
20426 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20427 cgraph_expand_queue.
20428 (cgraph_expand_all_functions): Likewise.
20429 (cgraph_finalize_pending_functions): Remove. Update callers.
20431 * tree.h (OMP_DIRECTIVE_P): Define.
20432 (OMP_PARALLEL_FN): Define.
20433 (OMP_PARALLEL_DATA_ARG): Define.
20434 (OMP_SECTIONS_SECTIONS): Define.
20435 * tree-pass.h (pass_expand_omp): Declare.
20436 * omp-low.c (struct omp_region): Declare.
20437 (struct omp_context): Remove fields 'parallel_type',
20438 'parallel_start_ix' and 'parallel_start_additional_args'.
20440 (struct omp_for_data): Rename from struct expand_omp_for_data.
20441 (omp_regions): New static variable.
20442 (root_omp_region): New static variable.
20443 (find_omp_clause): Make static.
20444 (is_in_combined_parallel_ctx): Remove.
20445 (is_combined_parallel): New.
20446 (extract_omp_for_data): Move earlier in the file.
20447 (workshare_safe_to_combine_p): New.
20448 (get_ws_args_for): New.
20449 (determine_parallel_type): Move earlier in the file.
20450 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20452 (omp_copy_decl): Likewise.
20453 (create_omp_child_function): Likewise.
20454 (lookup_omp_region): New.
20455 (dump_omp_region): New.
20456 (debug_omp_region): New.
20457 (debug_all_omp_regions): New.
20458 (new_omp_region): New.
20459 (scan_omp_parallel): If parallel_nesting_level > 1, the
20460 directive is nested within another parallel directive.
20461 Set OMP_PARALLEL_FN.
20462 (scan_omp_for): Do not try to handle combined parallel+for
20464 Remove FIXME comment.
20465 (scan_omp_nested): Remove.
20466 (scan_omp_1): Do not call scan_omp_nested when
20467 parallel_nesting_level is > 1.
20468 Do not change the DECL_CONTEXT of local variables found.
20469 (lookup_decl_in_outer_ctx): New.
20470 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20471 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20472 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20473 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20474 If CTX is nested, lookup VAR in the outer context when
20475 building copy assignment.
20476 (lower_send_clauses): Rename from expand_send_clauses.
20477 If CTX is nested, lookup VAR in the outer context when
20478 building copy assignments.
20479 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20480 If CTX is nested, lookup VAR in the outer context when
20481 building copy assignments.
20482 (expand_parallel_call): Rename from build_parallel_call.
20483 Handle combined parallel+workshare cases.
20484 Re-implement to emit code into the CFG.
20486 (expand_omp_parallel): Re-implement to emit code into the CFG.
20487 Call move_sese_region_to_fn to outline the sub-graph
20488 containing the parallel region.
20489 (expand_omp_for_1): Remove.
20490 (expand_omp_for_generic): Re-implement to emit code into the
20492 (expand_omp_for_static_nochunk): Likewise.
20493 (expand_omp_for_static_chunk): Likewise.
20494 (expand_omp_for): Likewise.
20495 (expand_omp_sections): Likewise.
20496 (remove_exit_barriers): New.
20497 (expand_omp_synch): New.
20499 (build_omp_regions_1): New.
20500 (build_omp_regions): New.
20501 (execute_expand_omp): New.
20502 (gate_expand_omp): New.
20503 (pass_expand_omp): Define.
20504 (lower_omp_sections): Rename from expand_omp_sections.
20505 Set OMP_SECTIONS_SECTIONS.
20506 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20507 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20508 (lower_omp_single): Rename from expand_omp_simple.
20509 (lower_omp_master): Rename from expand_omp_master.
20510 (lower_omp_ordered): Rename from expand_omp_ordered.
20511 (lower_omp_critical): Rename from expand_omp_critical.
20512 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20513 (lower_omp_for): Re-implement.
20514 (lower_omp_parallel): Re-implement.
20515 (lower_regimplify): Rename from expand_regimplify.
20516 (lower_omp_1): Rename from expand_omp_1.
20517 If there are syntax errors in the program, replace every
20518 OpenMP directive with NOP.
20519 Call lower_omp_* instead of expand_omp_*.
20520 (lower_omp): Rename from expand_omp.
20522 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20523 * tree-gimple.h (enum omp_parallel_type): Remove.
20524 (gimple_boolify): Declare extern.
20525 (find_omp_clause, determine_parallel_type): Remove.
20527 * gimple-low.c (lower_omp_directive): New.
20528 (lower_stmt): Call it.
20529 (record_vars_into): Move from ...
20530 (record_vars): ... here.
20531 Call record_vars_into with current_function_decl.
20533 * gimplify.c (struct gimplify_ctx): Remove fields
20534 combined_pre_p and combined_ctxp. Update users.
20535 (get_formal_tmp_var): Add documentation.
20536 (gimple_boolify): Make extern.
20537 (gimplify_expr_in_ctx): Remove. Update callers.
20538 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20539 will always be a BIND_EXPR.
20540 (gimplify_expr): Handle OMP_RETURN_EXPR.
20541 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20542 (OMP_PARALLEL): Add 3 operands.
20543 (OMP_SECTIONS): Add 1 operand.
20544 (OMP_RETURN_EXPR): Define.
20546 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20547 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20548 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20549 creating a circular free list.
20550 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20552 * tree-flow.h (move_sese_region_to_fn): Declare.
20553 (record_vars_into): Declare.
20554 * tree-cfg.c (make_omp_sections_edges): New.
20555 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20556 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20557 OMP_SECTIONS and OMP_SECTION.
20558 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20559 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20560 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20561 (gather_blocks_in_sese_region): New.
20562 (struct move_stmt_d): Declare.
20563 (move_stmt_r): New.
20564 (move_block_to_fn): New.
20565 (move_sese_region_to_fn): New.
20567 * passes.c (init_optimization_passes): Schedule
20568 pass_expand_omp after pass_init_datastructures.
20570 * tree-ssa-operands.c (get_expr_operands): Handle
20571 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20572 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20574 2006-01-19 Jeff Law <law@redhat.com>
20576 * tree-vrp.c (extract_range_from_assert): Refine the result range
20577 if the variable referenced by the ASSERT_EXPR has a range and
20578 either the tentative result range or the previous range is a
20581 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20583 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20585 2006-01-19 Jan Hubicka <jh@suse.cz>
20587 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20589 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20591 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20592 (expand_compound_operation, expand_field_assignment): Fail if the
20593 bit lengths of an extract operation are out of range.
20594 (make_extraction): Compute wanted_inner_mode based on the position
20595 and length of the extraction. Make it extraction_mode for non-constant
20596 positions, and do not modify offset in that case. When generating a
20597 new MEM, use a mode that can hold the extraction while keeping correct
20598 alignment. Remove code that supported MEMs wrapped by USEs.
20599 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20601 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20603 * config/s390/s390.md ("Y", "y"): New mode attribute.
20604 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20605 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20606 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20607 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20608 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20609 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20610 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20611 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20612 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20613 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20614 "addsi3", "subsi3"): Insn patterns removed.
20615 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20616 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20617 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20618 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20619 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20620 "*sub<mode>3_cconly2"): New insn patterns.
20621 ("addsi3", "subsi3"): New expanders.
20623 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20625 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20626 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20627 existing STMT_VINFO_VECTYPE if available.
20628 (vect_mark_relevant): Add special handling for stmts that are
20629 marked as STMT_VINFO_IN_PATTERN_P.
20630 (vect_analyze_loop): Call vect_pattern_recog.
20631 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20632 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20634 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20635 (vect_recog_func_ptr): New function-pointer type.
20636 * tree-vect-patterns.c: New file.
20637 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20638 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20639 (vect_pattern_recog_1): New functions.
20640 (vect_pattern_recog_funcs): New array of function pointers.
20642 * tree-vectorizer.h (ternary_op): New enum value.
20643 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20644 declaration. Revised documentation. Removed redundant dump prints.
20645 Removed redundant argument. Added support for reduction patterns.
20646 (vectorizable_reduction): Added support for reduction patterns.
20647 (vect_transform_stmt): Added support for patterns.
20649 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20650 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20651 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20652 (expand_widen_pattern_expr): New function.
20653 (init_optabs): Initialize new optabs udot_prod_optab,
20655 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20656 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20657 (expand_widen_pattern_expr): New function declaration.
20658 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20660 * tree-inline.c (estimate_num_insns_1): Added cases for new
20661 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20662 * tree-pretty-print.c (dump_generic_node): Likewise.
20663 (op_prio): Likewise.
20664 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20665 * tree-ssa-operands.c (get_expr_operands): Added case for
20667 * tree-vect-patterns.c (widened_name_p): New function.
20668 (vect_recog_dot_prod_pattern): Added function implementation.
20669 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20670 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20671 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20672 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20674 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20675 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20676 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20677 (init_optabs): Initialize new optabs widen_ssum_optab,
20679 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20680 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20681 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20682 use instead of type of def.
20683 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20684 function implementation.
20685 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20686 widen_ssumv8hi): New.
20688 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20691 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20694 * c-decl.c (add_flexible_array_elts_to_size): New function.
20695 (finish_decl): Use it.
20697 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20699 * diagnostic.h: Include options.h.
20700 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20701 dependancies for diagnostic.h.
20702 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20704 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20706 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20707 (ssa_ro_call_cache_valid): Ditto.
20708 * tree-ssa-alias.c (sort_tags_by_id): New function.
20709 (init_transitive_clobber_worklist): Ditto.
20710 (add_to_worklist): Ditto.
20711 (mark_aliases_call_clobbered): Ditto.
20712 (compute_tag_properties): Ditto.
20713 (set_initial_properties): Ditto.
20714 (compute_call_clobbered): Ditto.
20715 (compute_may_aliases): Call compute_call_clobbered and grouping.
20716 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20717 (compute_flow_insensitive_aliasing): Grouping now happens in our
20719 (setup_pointers_and_addressables): Remove clobbering related code.
20720 (add_may_alias): Ditto.
20721 (replace_may_alias): Ditto.
20722 (get_nmt_for): Ditto.
20723 (create_global_var):
20724 (is_escape_site): Return an escape_type enumeration.
20725 * tree-flow-inline.h (is_call_clobbered): Global var does not
20726 imply call clobbered.
20727 (mark_call_clobbered): Take a reason for marking this. Remove
20728 marking of globalness, and cache invalidation.
20729 (clear_call_clobbered): Remove cache invalidation code.
20730 * tree-dfa.c (dump_variable): If details is on, dump the reason
20732 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20734 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20735 (struct var_ann_d): Ditto.
20736 (enum escape_type): New.
20737 (mark_call_clobbered): Adjust prototype.
20738 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20739 are never call clobbered.
20740 Record reasons for escaping.
20741 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20742 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20743 (ssa_ro_call_cache_valid): Ditto.
20744 (clobbered_v_may_defs): Ditto.
20745 (clobbered_vuses): Ditto.
20746 (ro_call_vuses): Ditto.
20747 (clobber_stats): New.
20748 (init_ssa_operands): Zero out clobber stats.
20749 (fini_ssa_operands): Print out clobber stats.
20750 (get_call_expr_operands): Pass callee fndecl to
20751 add_call_read_ops).
20752 (add_call_clobber_ops): Remove use of cache.
20753 Add use of PURE_CONST information.
20754 (add_call_read_ops): Remove use of cache.
20755 Add use of static not_read information.
20757 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20759 Introduce TLS descriptors for i386 and x86_64.
20760 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20761 (TARGET_ANY_GNU_TLS): New macro.
20762 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20763 (struct machine_function): Add tls_descriptor_call_expanded_p.
20764 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20765 (ix86_current_function_calls_tls_descriptor): Likewise.
20766 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20767 (override_options): Introduce gnu2 tls dialect.
20768 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20770 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20772 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20773 (ix86_init_machine_status): Initialize new field.
20774 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20775 (ix86_tls_module_base): New.
20776 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20777 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20778 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20779 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20780 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20781 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20782 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20783 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20784 * config/i386/predicates.md (tls_modbase_operand): New.
20785 (tp_or_register_operand): New.
20787 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20789 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20790 (look_for_address_of): Ditto.
20791 (ipa_init): Walk the function decls.
20792 (static_execute): Don't set readonly on FUNCTION_DECL's.
20794 2006-01-18 Roger Sayle <roger@eyesopen.com>
20796 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20797 for shifts where the source and destination registers are different.
20799 2006-01-18 Paul Brook <paul@codesourcery.com>
20801 Merge from csl-arm-branch.
20802 2005-03-14 Julian Brown <julian@codesourcery.com>
20803 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20804 (aeabi_llsl): Likewise.
20805 (ashrdi3): Likewise.
20806 (aeabi_lasr): Likewise.
20807 (lshrdi3): Likewise.
20808 (aeabi_llsr): Likewise.
20809 2005-03-10 Julian Brown <julian@codesourcery.com>
20810 * config.gcc: Disable shared libgcc for SymbianOS.
20811 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20813 2006-01-18 DJ Delorie <dj@redhat.com>
20815 * c-pragma.c (handle_pragma_diagnostic): New.
20816 (init_pragma): Register it.
20817 * doc/extend.texi: Document it.
20819 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20820 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20821 (diagnostic_context): Add classify_diagnostic[].
20822 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20823 as errors if they're overridden to DK_WARNING.
20824 (diagnostic_initialize): Initialize classify_diagnostic[].
20825 (diagnostic_set_kind_override): New.
20826 (diagnostic_report_diagnostic): Check for kind changes.
20827 * opts.c (common_handle_option): Take lang_mask. Update callers.
20828 Handle OPT_Werror_.
20829 * common.opt (Werror=): New.
20830 * doc/invoke.texi: Document -Werror=*
20832 2006-01-18 Jeff Law <law@redhat.com>
20834 * tree-vrp.c (test_for_singularity): Correct test for new
20835 min limit. Use operand_equal_p rather than pointer equality
20836 for testing if new min/max values are equal.
20838 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20839 using range information until after propagation and folding.
20841 2006-01-18 Richard Henderson <rth@redhat.com>
20842 Aldy Hernandez <aldyh@redhat.com>
20843 Jakub Jelinek <jakub@redhat.com>
20844 Diego Novillo <dnovillo@redhat.com>
20846 * omp-low.c: New file.
20847 * c-omp.c: New file.
20849 2006-01-18 Richard Henderson <rth@redhat.com>
20850 Jakub Jelinek <jakub@redhat.com>
20851 Diego Novillo <dnovillo@redhat.com>
20853 * doc/invoke.texi: Document -fopenmp.
20854 * tree-dump.h (debug_function): Declare.
20855 * hooks.c (hook_bool_tree_bool_false): New function.
20856 (hook_tree_tree_null): Remove.
20857 (hook_tree_tree_tree_null): New.
20858 * hooks.h: Update to match.
20859 * tree-pretty-print.c (debug_tree_chain): New.
20860 (print_generic_expr): Handle TDF_CHAIN.
20861 (dump_generic_node): Handle BLOCK.
20862 Do not abort with incomplete SWITCH_EXPRs.
20863 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20864 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20865 print space after directive name.
20866 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20867 Handle OMP_MASTER and OMP_ORDERED.
20868 Handle printing of OMP_BODY just in one place, goto
20869 dump_omp_body in the rest of OMP_* nodes that have
20871 Don't handle clause nodes here. Update omp statements to
20872 use dump_omp_clauses.
20873 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20874 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20875 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20876 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20877 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20878 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20879 Adjust output for GOMP_PARALLEL.
20880 (dump_omp_clauses): New.
20881 (print_declaration): Dump DECL_VALUE_EXPR.
20882 (op_symbol_1): Split out of op_symbol.
20883 (dumping_stmts): Remove. Update all users.
20884 * cgraph.c (cgraph_analyze_queue): New.
20885 (cgraph_add_new_function): New.
20886 * cgraph.h (cgraph_analyze_queue): Declare.
20887 (cgraph_add_new_function): Declare.
20888 (cgraph_lower_function): Remove.
20889 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20890 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20891 and TYPE_P nodes in its default clause.
20892 (empty_body_p): New.
20893 (tree_range_check_failed): New.
20894 (build5_stat): New.
20895 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20896 OMP_CLAUSE_REDUCTION_MERGE,
20897 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20898 OMP_CLAUSE_PRIVATE_DEBUG,
20899 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20900 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20901 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20902 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20903 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20904 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20905 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20906 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20907 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20908 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20909 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20910 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20911 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20912 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20913 (TREE_RANGE_CHECK): New.
20914 (empty_body_p): Declare.
20915 (enum omp_clause_default_kind): New.
20916 (build_string_literal): Declare.
20917 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20918 (build5_stat, build5): Declare.
20919 * tree-pass.h (TDF_CHAIN): Define.
20920 * tree-pass.h (PROP_gimple_lomp): Define.
20921 (pass_lower_omp): Declare.
20922 * diagnostic.h (debug_tree_chain): Declare.
20923 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20925 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20926 * builtins.c (build_string_literal): Make extern.
20927 * gcc.c (include_spec_function): New.
20928 (static_spec_functions): Add it.
20929 (main): Move load of libgomp.spec ...
20930 (LINK_COMMAND_SPEC): ... here.
20931 (link_gomp_spec): New.
20932 (static_specs): Include it.
20933 (LINK_COMMAND_SPEC): Add link_gomp.
20934 (GOMP_SELF_SPECS): New.
20935 (driver_self_specs): Include it.
20936 (switch_matches): Don't mark inline.
20937 (main): Load libgomp.spec.
20938 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20939 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20940 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20941 * tree-gimple.h (enum omp_parallel): Declare.
20942 (determine_parallel_type): Declare.
20943 (omp_firstprivatize_variable): Declare.
20944 (omp_reduction_init): Declare.
20945 (diagnose_omp_structured_block_errors): Declare.
20946 (struct walk_stmt_info): Add want_return_expr.
20947 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20948 (find_omp_clause): Declare.
20949 (insert_field_into_struct): Declare.
20950 (struct walk_stmt_info): Move from tree-nested.c
20951 (walk_stmts): Declare.
20952 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20954 * cgraphunit.c (cgraph_lower_function): Make static.
20955 (cgraph_finalize_pending_functions): New.
20956 (cgraph_finalize_function): Call it.
20957 (cgraph_finalize_compilation_unit): Likewise.
20958 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20959 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20960 (BT_FN_UINT_UINT): New.
20961 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20962 DEF_FUNCTION_TYPE_VAR_4): Document.
20963 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20964 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20965 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20966 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20967 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20968 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20969 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20970 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20971 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20972 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20973 into separate files.
20974 (DEF_GOMP_BUILTIN): New.
20975 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20976 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20977 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20978 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20979 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20980 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20981 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20982 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20983 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20984 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20985 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20986 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20987 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20988 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20989 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20990 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20991 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20992 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20993 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20994 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20995 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20996 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20997 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20998 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20999 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21000 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21001 * sync-builtins.def: New file, moved from builtins.def.
21002 * omp-builtins.def: New file, moved from builtins.def.
21003 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21004 * gimple-low.c (lower_function_body): Clear data.
21005 (lower_stmt): Do not handle COMPOUND_EXPR.
21006 Remove call to print_node_brief.
21007 * c-tree.h (c_finish_omp_clauses): New prototype.
21008 (C_DECL_THREADPRIVATE_P): Define.
21009 (lookup_name_no_remap, c_omp_remap_private): Remove
21010 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21011 (check_for_loop_decls): Update decl.
21012 (lookup_name_no_remap, c_omp_remap_private): Declare.
21013 (build_indirect_ref, build_modify_expr, pushdecl,
21014 pushdecl_top_level): Move to c-common.h.
21015 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21016 before the switch, but just in the 2 places that need it.
21017 * c-decl.c (diagnose_mismatched_decls): Do not check for
21018 mismatched thread-local attributes when OLDDECL is marked
21019 threadprivate and NEWDECL has no thread-local attributes.
21020 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21021 (c_gimple_diagnostics_recursively): Rename from
21022 c_warn_unused_result_recursively. Invoke
21023 diagnose_omp_structured_block_errors.
21024 (check_for_loop_decls): Return a singular decl found.
21025 * langhooks.c (lhd_omp_predetermined_sharing): Return
21026 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21027 (lhd_omp_firstprivatize_type_sizes): New.
21028 (lhd_omp_assignment): New.
21029 (lhd_omp_predetermined_sharing): New.
21030 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21031 (struct lang_hooks_for_types): Add
21032 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21033 omp_predetermined_sharing, omp_disregard_value_expr,
21034 omp_private_debug_clause, omp_clause_default_ctor,
21035 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21036 (c_finish_omp_clauses): New.
21037 (c_finish_bc_stmt): Diagnose break within omp for.
21038 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21039 (build_unary_op): Return error_mark after reporting
21041 (build_modify_expr): Likewise.
21042 * gimplify.c: Include optabs.h and pointer-set.h.
21043 (enum gimplify_omp_var_data): Declare.
21044 (struct gimplify_omp_ctx): Declare.
21045 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21047 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21048 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21049 (splay_tree_compare_decl_uid): New.
21050 (new_omp_context): New.
21051 (delete_omp_context): New.
21052 (gimple_add_tmp_var): Call omp_add_variable.
21053 (gimplify_bind_expr): Likewise.
21054 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21055 true, disregard DECL_VALUE_EXPR on the decl if any.
21056 (gimplify_expr_in_ctx): New.
21057 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21058 omp_add_variable, omp_notice_variable, omp_is_private
21059 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21060 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21061 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21062 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21063 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21064 gimplify_omp_atomic): New.
21065 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21066 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21067 OMP_CRITICAL and OMP_ATOMIC.
21068 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21069 * c-pragma.h (enum pragma_kind): Add
21070 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21071 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21072 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21073 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21074 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21075 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21076 PRAGMA_OMP_THREADPRIVATE.
21077 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21078 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21079 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21080 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21081 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21082 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21083 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21084 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21085 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21086 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21087 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21088 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21089 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21091 (struct nesting_info): Add field_map,
21092 suppress_expansion, debug_var_chain.
21093 (create_nesting_tree): Initialize them.
21094 (lookup_field_for_decl): Use field_map.
21095 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21096 (convert_local_omp_clauses): New.
21097 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21098 (walk_body): Split out of walk_function.
21099 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21100 (convert_nonlocal_reference): Handle omp statements.
21101 (convert_local_reference): Likewise.
21102 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21103 (unnest_nesting_tree): New.
21104 (lower_nested_functions): Call it.
21105 (insert_field_into_struct): Make extern.
21106 (struct walk_stmt_info): Move to tree-gimple.h.
21107 (walk_stmts): Make extern.
21108 * omp-builtins.def: New file.
21109 * tree-iterator.c (expr_only): Clarify comment.
21110 * c-common.h (pushdecl_top_level, pushdecl,
21111 build_modify_expr, build_indirect_ref,
21112 c_finish_omp_master, c_finish_omp_critical,
21113 c_finish_omp_ordered, c_finish_omp_barrier,
21114 c_finish_omp_atomic, c_finish_omp_flush,
21115 c_finish_omp_for, c_split_parallel_clauses,
21116 omp_clause_default_kind, c_omp_sharing_predetermined,
21117 c_omp_remap_decl): Declare.
21118 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21119 (OBJS-common): Add omp-low.o.
21120 (c-omp.o, omp-low.o): Add.
21121 (gimplify.o): Add dependency on $(OPTABS_H).
21122 (GTFILES): Add omp-low.c.
21123 (gt-stringpool.h): Add.
21124 * tree-cfg.c (set_bb_for_stmt): Do not update the
21125 block-to-labels map if we are currently expanding to RTL.
21126 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21128 Handle IDENTIFIER_NODE.
21129 (tree_verify_flow_info): Do not ICE when emitting error
21130 messages about invalid labels.
21131 (dump_function_to_file): Reset CFUN before emitting the body
21133 (debug_function): New.
21134 * passes.c (init_optimization_passes): Schedule
21136 * langhooks-def.h (lhd_omp_predetermined_sharing,
21137 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21139 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21140 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21141 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21142 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21143 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21144 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21145 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21146 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21147 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21148 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21149 (LANG_HOOK_DECLS): Use them.
21151 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21152 Richard Henderson <rth@redhat.com>
21153 Jakub Jelinek <jakub@redhat.com>
21154 Diego Novillo <dnovillo@redhat.com>
21156 * c-parser.c (pragma_omp_clause): Define.
21157 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21158 (c_parser_compound_statement): Likewise.
21159 (c_parser_statement): Likewise.
21160 (c_parser_pragma): Handle omp pragmas.
21161 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21162 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21163 (c_parser_omp_clause_name, check_no_duplicate_clause,
21164 c_parser_omp_variable_list,
21165 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21166 c_parser_omp_clause_copyprivate,
21167 c_parser_omp_clause_default,
21168 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21169 c_parser_omp_clause_lastprivate,
21170 c_parser_omp_clause_nowait,
21171 c_parser_omp_clause_num_threads,
21172 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21173 c_parser_omp_clause_reduction,
21174 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21175 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21176 c_parser_omp_atomic, c_parser_omp_barrier,
21177 c_parser_omp_critical, c_parser_omp_flush,
21178 c_parser_omp_for_loop, c_parser_omp_for,
21179 c_parser_omp_master, c_parser_omp_ordered,
21180 c_parser_omp_sections_scope, c_parser_omp_sections,
21181 c_parser_omp_parallel, c_parser_omp_single,
21182 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21183 * c-pragma.c (init_pragma): Do omp pragma registration here.
21184 * c.opt (fopenmp): New flag.
21186 2006-01-18 Eric Christopher <echristo@apple.com>
21188 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21189 * config/darwin.h (GOMP_SELF_SPECS): Define.
21191 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21193 * rtl.h: Remove the prototype for reg_alloc.
21195 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21198 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21199 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21200 sjlj and dwarf2 exception handling.
21201 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21202 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21203 * pa/pa.c (function_value): Treat complex and vector types as
21205 (function_arg): Likewise. Only pass scalar floats in the floating
21206 point argument registers.
21207 * pa/t-slibgcc-dwarf-ver: New file.
21208 * pa/t-slibgcc-sjlj-ver: New file.
21209 * pa/t-slibgcc-elf-ver: Delete file.
21211 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21213 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21214 unlikely_test_section_p test.
21216 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21218 * mode-switching.c (optimize_mode_switching): Make it static.
21219 * basic-block.h: Remove the prototype for
21220 optimize_mode_switching.
21222 * modulo-sched.c (sms_schedule): Make it static.
21223 * rtl.h: Remove the prototype for sms_schedule.
21225 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21226 * rtl.h: Remove the prototype for gcse_after_reload_main.
21228 * reg-stack.c (reg_to_stack): Make it static.
21229 * rtl.h: Remove the prototype for reg_to_stack.
21231 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21233 * rtl.h: Remove the prototypes for regrename_optimize and
21234 copyprop_hardreg_forward.
21236 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21238 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21239 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21240 Test against the appropriate null constant for the mode.
21241 If 'fixup_overlap' is true, swap the operands if they overlap.
21242 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21243 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21244 alpha_split_tmode_pair and adjust for above change.
21245 * config/alpha/alpha.md (movtf_internal): Adjust call to
21246 alpha_split_tfmode_pair and rely on it to swap the operands.
21247 (movti_internal): New insn and post-reload splitter.
21248 (movti): New expander.
21250 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21252 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21255 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21257 * rtlanal.c (global_reg_mentioned_p_1,
21258 global_reg_mentioned_p): Remove.
21259 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21261 * flow.c (initialize_uninitialized_subregs): Make it static.
21262 * rtl.h: Remove the prototype for
21263 initialize_uninitialized_subregs.
21265 * function.c (instantiate_virtual_regs): Make it static.
21266 * function.h: Remove the prototype for
21267 instantiate_virtual_regs.
21269 * regmove.c (regmove_optimize, combine_stack_adjustments):
21271 * rtl.h: Remove the prototypes for regmove_optimize and
21272 combine_stack_adjustments.
21274 2006-01-17 Roger Sayle <roger@eyesopen.com>
21276 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21277 (size_cost): Encode costs in bytes so that a reg-reg addition is
21278 equivalent to COSTS_N_INSNS(1).
21279 (override_options): Use the size_cost.branch_cost as the default
21280 ix86_branch_cost when optimizing for size.
21282 2006-01-18 Ben Elliston <bje@au.ibm.com>
21284 * Makefile.in (D32PBIT_FUNCS): New.
21285 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21286 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21287 D64PBIT_FUNCS and D128PBIT_FUNCS.
21288 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21289 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21291 (decnumber_dep): Define.
21292 * doc/libgcc.texi (Decimal float library routines): New node.
21293 * config/dfp-bit.h, config/dfp-bit.c: New files.
21295 2006-01-18 Ben Elliston <bje@au.ibm.com>
21297 * expr.c (emit_move_change_mode): Always adjust addresses, not
21298 just during reload. Copy replacements only during reload.
21299 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21300 emit_move_via_integer.
21302 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21304 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21305 instead of $(srcdir) and ${srcdir}.
21307 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21310 PR middle-end/11135
21311 * arm.h (struct machine_function): Add pic_reg.
21312 * arm.c (arm_pic_register): Make unsigned.
21313 (arm_override_options): Only set arm_pic_register if
21314 TARGET_SINGLE_PIC_BASE.
21315 (use_return_insn): Only test for a pic register if it is fixed.
21316 (arm_compute_save_reg0_reg12_mask): Likewise.
21317 (thumb_compute_save_reg_mask): Likewise.
21318 (legitimate_pic_operand): Factor out some known invariants.
21319 (legitimize_pic_address): If we don't have a fixed pic register,
21320 then set up a pseudo in the function entry sequence. Handle the
21321 pic base being in a pseudo.
21322 (arm_load_pic_register): Handle the pic register being in a pseudo.
21323 (arm_expand_prologue): Only set up the pic register if it is fixed.
21324 (thumb_expand_prologue): Likewise.
21325 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21326 (pic_load_addr_based_insn): Likewise.
21327 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21330 2006-01-18 Ben Elliston <bje@au.ibm.com>
21332 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21333 decimal float modes for all floating point registers.
21335 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21336 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21338 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21341 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21342 even when the pointer is not NULL.
21344 2006-01-16 Ian Lance Taylor <ian@airs.com>
21346 * common.opt (ftoplevel-reorder): New option.
21347 * cgraph.c (cgraph_asm_nodes): New global variable.
21348 (cgraph_asm_last_node): New static variable.
21349 (cgraph_order): New global variable.
21350 (cgraph_create_node): Set new order field.
21351 (cgraph_varpool_node): Likewise.
21352 (decide_is_variable_needed): Return true if not
21353 flag_toplevel_reorder.
21354 (cgraph_add_asm_node): New function.
21355 * cgraph.h (struct cgraph_node): Add order field.
21356 (struct cgraph_varpool_node): Add order field.
21357 (struct cgraph_asm_node): Define.
21358 (cgraph_asm_nodes, cgraph_order): Declare.
21359 (cgraph_add_asm_node): Declare.
21360 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21362 (cgraph_varpool_assemble_pending_decls): Call it.
21363 (cgraph_output_pending_asms): New static function.
21364 (cgraph_finalize_compilation_unit): Call it.
21365 (struct cgraph_order_sort): Define.
21366 (cgraph_output_in_order): New static function.
21367 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21368 !flag_toplevel_reorder case.
21369 * c-parser.c: Include "cgraph.h".
21370 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21372 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21373 than -fno-unit-at-a-time.
21374 * doc/invoke.texi (Option Summary): Mention
21375 -fno-toplevel-reorder.
21376 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21377 -funit-at-a-time documentation.
21379 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21380 Kazu Hirata <kazu@codesourcery.com>
21382 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21384 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21386 * Makefile.in (FUNCTION_H): New. Use it instead of
21387 function.h throughout the file.
21388 * function.h: Include tree.h.
21390 2006-01-17 Ben Elliston <bje@au.ibm.com>
21392 * recog.c: Separate some functions with whitespace.
21394 2006-01-16 Richard Henderson <rth@redhat.com>
21396 Merge from gomp branch:
21397 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21398 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21399 and rename from struct inline_data. Rename callee* to dst*;
21400 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21401 transform_new_cfg, transform_return_to_modify, and
21402 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21404 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21405 (copy_decl_for_dup): Remove.
21406 * tree-inline.c (struct inline_data): Move to header.
21407 (insert_decl_map): Export.
21408 (remap_decl): Update for member name changes. Use copy_decl hook.
21409 Allow for replacement to be a non-decl. Remove dead code.
21410 (remap_type_1): Check for existing mapping.
21411 (remap_type): Export.
21412 (remap_decls): Update for member name changes.
21413 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21414 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21415 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21416 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21417 (tree_function_versioning, build_duplicate_type): Likewise.
21418 (copy_body_r): Likewise. Export.
21419 (copy_decl_for_dup): Split into ...
21420 (copy_decl_for_dup_finish, copy_decl_to_var,
21421 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21422 (replace_ref_tree, inlining_p): Remove.
21424 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21426 * ifcvt.c (if_convert): Make it static.
21427 * rtl.h: Remove the prototype for if_convert.
21429 * local-alloc.c (local_alloc): Make it static.
21430 * rtl.h: Remove the prototype for local_alloc.
21432 * loop.c (loop_optimize): Make it static.
21433 * cfgloop.h: Remove the prototype for loop_optimize.
21436 2006-01-16 DJ Delorie <dj@redhat.com>
21438 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21441 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21443 * pa.md: Disparage copies between general and floating-point registers
21444 in 32-bit move patterns.
21446 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21449 * Makefile.in (check-%): Depend on site.exp instead of
21450 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21453 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21455 * global.c (global_alloc): Make it static.
21456 * rtl.h: Remove the prototype for global_alloc.
21458 2006-01-16 Richard Guenther <rguenther@suse.de>
21460 * tree-ssa-alias.c (struct used_part): Add write_only field.
21461 (get_or_create_used_part_for): Initialize it to true.
21462 (create_overlap_variables_for): Don't create structure variables
21463 for structures that only are written to.
21464 (find_used_portions): Handle MODIFY_EXPR to track whether a
21465 structure is only written to.
21467 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21469 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21471 * basic-block.h: Remove the prototype for
21472 partition_hot_cold_basic_blocks.
21474 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21476 * cppspec.c (lang_specific_spec_functions): Remove.
21477 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21478 * gcc.h (lang_specific_spec_functions): Remove.
21479 * gccspec.c (lang_specific_spec_functions): Remove.
21481 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21483 * combine.c (record_value_for_reg): Invalidate registers
21485 (record_dead_and_set_regs_1): Likewise, by passing them to
21486 record_value_for_reg.
21487 (record_dead_and_set_regs): Invalidate stores made by a
21488 call. We do not combine across a call, but we still
21489 relied on equivalences.
21491 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21493 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21494 vrp_int_const_binop returning non-constant nodes.
21496 2006-01-16 Paul Brook <paul@codesourcery.com>
21498 * config/m68k/m68k.c (output_move_const_into_data_reg):
21499 Output correct mnemonic for mvz and mvs.
21501 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21503 * rtl-factoring.c: Add sequence abstraction algorithm.
21504 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21505 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21507 (block_has_preserve_label): New function.
21508 * common.opt: Register new pass.
21509 * Makefile.in: Ditto.
21511 * timevar.def: Ditto.
21512 * tree-pass.h: Ditto.
21513 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21514 * rtl.h (make_jump_insn_raw): Add forward decl.
21515 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21517 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21518 Roger Sayle <roger@eyesopen.com>
21520 * fold-const.c (fold_minmax): New static function.
21521 (fold_binary) <MIN_EXPR>: Call it.
21522 <MAX_EXPR>: Likewise.
21523 * stor-layout.c (place_field): Use DECL_SIZE consistently
21524 in the computation of the new record size.
21526 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21528 * cse.c (cse_condition_code_reg): Make it static.
21529 * rtl.h: Remove the prototype for cse_condition_code_reg.
21531 * combine.c (combine_instructions): Make it static.
21532 * rtl.h: Remove the prototype for combine_instructions.
21534 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21537 * tree.c (get_file_function_name_long): Concatenate the first global
21538 object name with a string derived from the input filename of the object
21541 2006-01-16 Ben Elliston <bje@au.ibm.com>
21543 * config/i386/winnt-stubs.c: Update FSF address.
21544 * config/xtensa/ieee754-df.S: Ditto.
21545 * config/xtensa/ieee754-sf.S: Ditto.
21547 2006-01-14 Ian Lance Taylor <ian@airs.com>
21549 * ifcvt.c (noce_init_if_info): New static function, broken out of
21550 noce_process_if_block.
21551 (noce_process_if_block): Call noce_init_if_info.
21552 (check_cond_move_block): New static function.
21553 (cond_move_process_if_block): New static function.
21554 (process_if_block): Call cond_move_process_if_block.
21556 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21558 * cselib.c (hash_table): Rename to cselib_hash_table.
21559 (cselib_clear_table, discard_useless_values,
21560 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21561 cselib_init, cselib_finish): Adjust uses of hash_table.
21563 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21565 PR tree-optimization/25485
21566 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21567 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21568 is known to be false and true, respectively.
21570 2006-01-14 Richard Guenther <rguenther@suse.de>
21572 PR tree-optimization/22548
21573 PR tree-optimization/22555
21574 PR tree-optimization/22501
21575 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21576 * params.def (salias-max-array-elements): New parameter.
21577 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21578 * doc/invoke.texi (salias-max-array-elements): Document.
21579 * tree-flow-inline.h (var_can_have_subvars): We also handle
21581 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21583 * tree-ssa-structalias.c (params.h): Include.
21584 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21585 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21586 (get_constraint_for): For ADDR_EXPR operating on something
21587 containing an ARRAY_REF, add all subvars to the solution.
21588 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21589 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21590 for creating MUST_DEFs.
21591 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21593 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21595 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21597 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21598 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21599 number_of_iterations_le): New functions.
21600 (number_of_iterations_special): Removed.
21601 (number_of_iterations_exit): Do not use number_of_iterations_special.
21602 * tree.c (unsigned_type_for): Always return integer type.
21604 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21605 Richard Guenther <rguenther@suse.de>
21607 PR rtl-optimization/24257
21608 * gcse.c (find_moveable_store): Only consider a store movable
21609 when the SET_SRC of the insn can be assigned to a register.
21611 2006-01-14 Ian Lance Taylor <ian@airs.com>
21613 * tree.c (tree_not_class_check_failed): New function.
21614 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21615 (tree_not_class_check_failed): Declare.
21617 2006-01-13 Ian Lance Taylor <ian@airs.com>
21619 * reload1.c (do_output_reload): Add assertion rejecting a
21622 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21624 * combine.c (struct reg_stat): Add new fields truncation_label and
21626 (record_value_for_reg): Reset truncated_to_mode.
21627 (record_truncated_value): New function.
21628 (check_promoted_subreg): Call it. Rename to check_conversions.
21629 (combine_instructions): Rename check_promoted_subreg to
21631 (reg_truncated_to_mode): New function.
21632 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21633 (gen_lowpart_or_truncate): New function.
21634 (force_to_mode): Use it instead of gen_lowpart.
21636 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21638 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21639 VAR is a tag, not its type tag.
21641 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21643 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21644 alternatives to match style of other entries.
21645 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21647 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21649 PR tree-optimization/25771
21650 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21653 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21656 * tree-inline.c (declare_return_variable): If the return variable
21657 was marked as a non gimple complex, set the return slot variable
21658 to be a non gimple comple variable.
21660 2006-01-13 Richard Guenther <rguenther@suse.de>
21662 * builtins.c (expand_builtin_sincos): New function.
21663 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21665 (expand_builtin): Expand sincos using expand_builtin_sincos.
21667 2006-01-12 DJ Delorie <dj@redhat.com>
21669 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21670 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21671 so that constant shifts can be split.
21672 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21673 (m32c_valid_pointer_mode): Make static.
21674 (shift_gen_func_for): New.
21675 (m32c_prepare_shift): Use it. Split large const shifts into
21677 * config/m32c/predicates.md (shiftcount_operand): Allow more
21679 (longshiftcount_operand): New.
21680 * doc/md.texi (Machine Constraints): Document In6.
21682 2006-01-13 Ben Elliston <bje@au.ibm.com>
21684 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21685 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21688 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21690 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21691 to try to avoid clobbering pieces of structures when we know
21692 something about the whole structure.
21693 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21695 2006-01-13 Ben Elliston <bje@au.ibm.com>
21697 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21698 return in memory, as this is no limitation is no longer present.
21700 2006-01-12 DJ Delorie <dj@redhat.com>
21702 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21703 mova with fb, and for fb+0 -> An.
21705 * config/m32c/mov.md (peephole2): Fix enabling logic.
21707 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21708 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21709 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21710 FINI_ARRAY_SECTION_ASM_OP): Define.
21712 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21714 (m32c_legitimize_reload_address): New logic to reload FB to An.
21715 (m32c_output_reg_push): Add newline.
21716 (m32c_output_reg_pop): Likewise.
21718 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21720 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21722 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21724 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21726 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21728 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21731 2006-01-11 Ben Elliston <bje@au.ibm.com>
21733 * rtlanal.c (find_reg_note): Assert insn is not null.
21735 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21737 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21740 2006-01-11 Jeff Law <law@redhat.com>
21742 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21744 (mark_threaded_blocks, register_jump_thread): New functions.
21745 (thread_through_all_blocks): Remove unwanted argument. No
21746 longer rely on e->aux to communicate thread target info.
21747 Call mark_threaded_blocks. Release the threaded_blocks
21748 bitmap and threaded_edges vector when complete.
21749 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21750 (threaded_blocks): Remove.
21751 (tree_ssa_dominator_optimize): Remove initialization and
21752 finalization of threaded_blocks. Simplify call to
21753 thread_through_all_blocks.
21754 (thread_across_edge): Call register_jump_thread rather than
21755 storing thread information into e->aux.
21756 (free_all_edge_infos): Simplify now that e->aux is no longer
21757 used to communicate with thread_through_all_blocks.
21758 * tree-flow.h (thread_through_all_blocks): Update prototype.
21759 (register_jump_thread): Prototype.
21761 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21763 * df-core.c (df_compact_blocks, df_bb_replace): Use
21764 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21766 2006-01-11 Richard Guenther <rguenther@suse.de>
21768 PR tree-optimization/25734
21769 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21770 stop propagation after successful propagation to the LHS.
21772 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21774 * basic-block.h (control_flow_graph): Change the type of
21775 x_basic_block_info to VEC(basic_block,gc) *.
21776 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21778 (SET_BASIC_BLOCK): New.
21779 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21780 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21781 * cfgbuild.c (find_basic_blocks): Likewise.
21782 * cfglayout.c (fixup_reorder_chain): Likewise.
21783 * cfgrtl.c (create_basic_block_structure,
21784 rtl_create_basic_block): Likewise.
21785 * ifcvt.c (find_if_case_1): Likewise.
21786 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21789 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21791 * Makefile.in: Removed rotted odf.c entry.
21793 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21796 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21797 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21798 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21799 output pattern modifier, not %e.
21800 * config/cris/cris.c (cris_op_str): Update comment about pattern
21802 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21803 before falling through into...
21804 <case 'E'>: Redefined from old 'e' case.
21806 2006-01-11 Jan Hubicka <jh@suse.cz>
21809 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21811 2006-01-11 Jan Hubicka <jh@suse.cz>
21813 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21814 * i386.c (x86_decompose_lea): Kill.
21815 (ix86_rtx_costs): Kill.
21817 2006-01-11 Jan Hubicka <jh@suse.cz>
21819 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21820 * cgraph.h (cgraph_node): Add inline_decl.
21821 (cgraph_insert_node_to_hashtable): Declare.
21822 (save_inline_function_body): Declare.
21823 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21825 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21826 (cgraph_function_versioning): Update call of tree_function_versioning.
21827 (save_inline_function_body): New function.
21828 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21829 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21830 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21831 (cgraph_default_inline_p): Likewise.
21832 (cgraph_decide_inlining_incrementally): Likewise.
21833 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21834 (copy_bb): Kill saving; do updating of clones.
21835 (copy_cfg_body): Kill saving.
21836 (initialize_inlined-parameters): Likewise.
21837 (expand_call_inline): Likewise.
21839 (tree_function_versioning): New parameter "update_clones".
21840 (inlining_p): Kill saving.
21841 * tree-inline.h (tree_function_versioning): Update prototype.
21842 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21845 2006-01-11 Ian Lance Taylor <ian@airs.com>
21847 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21848 Allow undoing set of machine mode.
21849 (do_SUBST): Use enums instead of is_int.
21850 (do_SUBST_MODE): New function.
21851 (SUBST_MODE): New macro.
21852 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21853 reg and trying to replace reg_regno_rtx with a new register.
21854 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21855 (simplify_set): Use SUBST_MODE.
21856 (distribute_notes): Remove code that tried to update reg notes
21857 for regno_reg_rtx changes.
21859 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21861 PR tree-optimization/23109
21862 PR tree-optimization/23948
21863 PR tree-optimization/24123
21865 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21866 * tree-cfg.c (single_noncomplex_succ): New.
21867 * tree-flow.h (single_noncomplex_succ): Declare it.
21868 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21869 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21870 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21871 insert_bb, register_division_in, insert_reciprocals,
21872 replace_reciprocal, free_bb): New.
21873 (execute_cse_reciprocals_1): Rewritten.
21874 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21875 Do not commit any edge insertion. Always compute dominators and
21876 create the allocation pool.
21877 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21878 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21879 * targhooks.c (default_min_divistions_for_recip_mul): New.
21880 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21881 * passes.c (init_optimization_passes): Run recip after tree loop
21883 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21885 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21886 Kenneth Zadeck <zadeck@naturalbridge.com>
21888 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21889 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21890 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21891 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21892 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21893 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21894 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21895 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21896 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21897 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21898 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21899 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21900 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21901 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21902 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21903 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21904 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21905 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21906 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21907 DF_SCAN_POST_ALLOC): New macros.
21908 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21909 df_free_bb_function, df_local_compute_function, df_init_function,
21910 df_dataflow_function, df_confluence_function_0,
21911 df_confluence_function_n, df_transfer_function,
21912 df_finalizer_function, df_free_function, df_dump_problem_function,
21913 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21914 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21915 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21916 df_urec_bb_info, ) New types.
21917 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21919 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21920 df_analyze_simple_change_some_blocks,
21921 df_analyze_simple_change_one_block, df_compact_blocks,
21922 df_bb_replace, df_bb_regno_last_use_find,
21923 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21924 df_insn_regno_def_p, df_find_def, df_find_use,
21925 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21926 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21927 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21928 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21929 debug_df_chain, df_get_dependent_problem, df_chain_create,
21930 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21931 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21932 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21933 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21934 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21935 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21936 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21937 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21938 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21939 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21940 df_reorganize_refs, df_set_state, df_hard_reg_init,
21941 df_read_modify_subreg_p) New public functions.
21942 * df-core.c: The core dataflow solver and glue routines for rtl
21944 (df_init, df_add_problem, df_set_blocks, df_finish,
21945 df_hybrid_search_forward, df_hybrid_search_backward,
21946 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21947 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21948 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21949 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21950 df_reg_defined, df_find_use, df_reg_used, df_dump,
21951 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21952 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21953 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21954 debug_df_useno, reset_df_after_reload): New functions.
21955 * df-scan.c: The scanning fuctions, once in df.c, completely
21956 rewritten so that they now fully model the functionality of
21957 register usage at the backend.
21958 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21959 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21960 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21961 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21962 df_get_artificial_defs, df_get_artificial_uses,
21963 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21964 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21965 df_refs_delete, df_reorganize_refs, df_set_state,
21966 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21967 df_def_record_1, df_defs_record, df_uses_record,
21968 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21969 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21970 df_record_exit_block_uses, df_hard_reg_init): New functions.
21972 * df-problems.c: Seven concrete dataflow problems that use the
21973 scanning in df-scan.c and are solved by the engine in df-core.c.
21974 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21975 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21976 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21977 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21978 df_ru_free_bb_info, df_ru_alloc,
21979 df_ru_bb_local_compute_process_def,
21980 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21981 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21982 df_ru_transfer_function, df_ru_free, df_ru_dump,
21983 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21984 df_rd_free_bb_info, df_rd_alloc,
21985 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21986 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21987 df_rd_transfer_function, df_rd_free, df_rd_dump,
21988 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21989 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21990 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21991 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21992 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21993 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21994 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21995 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21996 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21997 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21998 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21999 df_urec_mark_reg_use_for_earlyclobber,
22000 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22001 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22002 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22003 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22004 df_chain_create_bb_process_use, df_chain_create_bb,
22005 df_chain_finalize, df_chain_free, df_chains_dump,
22006 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22007 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22008 df_reg_lifetime): New functions.
22009 * df.c: Deleted file.
22010 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22011 consistent with new df api.
22012 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22013 rest_of_handle_sms): Ditto.
22014 * web.c (unionfind_union, union_defs, entry_register, web_main):
22016 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22017 invariant_expr_equal_p, find_defs, check_dependencies,
22018 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22019 free_inv_motion_data, move_loop_invariants): Ditto.
22020 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22021 Update dependencies.
22022 (odf.c): Added defective entry that was deleted later in day.
22023 * sched-deps.c (sched_analyze_1): Ditto.
22025 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22027 * tree-ssa-operands.c (get_expr_operands): Record addressable
22028 variables directly. Do not call add_stmt_operands for CONST_DECLs
22030 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22031 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22033 2006-01-11 Ben Elliston <bje@au.ibm.com>
22035 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22036 function returns true in the positive case.
22038 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22041 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22042 for SI, DI, SF and DF modes. Add alternatives to copy between
22043 general and floating point registers to the 32-bit patterns.
22044 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22045 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22046 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22047 generating 64-bit code.
22048 * config/pa/pa.c (output_move_double): Handle copies between general
22049 and floating registers.
22051 2006-01-10 Stuart Hastings <stuart@apple.com>
22053 * config/i386/i386.md (set_got): Update.
22054 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22055 (builtin_setjmp_receiver): Mach-O support.
22056 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22057 (GOT_SYMBOL_NAME): Define.
22058 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22059 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22060 * config/i386/i386.c (override_options): Revise for Darwin.
22061 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22062 support. (darwin_x86_file_end): New. (output_set_got): Add label
22063 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22064 * config/i386/i386-protos.h (output_set_got): Likewise.
22065 * config/darwin.c (machopic_legitimize_pic_address): Update
22068 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22070 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22071 when MODE isn't BLKmode.
22073 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22075 PR rtl-optimization/25367
22076 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22078 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22081 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22082 for a negative bound.
22084 2006-01-10 Richard Guenther <rguenther@suse.de>
22086 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22087 Never override with anything constraint.
22089 2006-01-10 Jan Beulich <jbeulich@novell.com>
22091 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22092 256 bits when optimize_size.
22094 2006-01-10 Jan Beulich <jbeulich@novell.com>
22096 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22098 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22099 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22102 2006-01-10 Ben Elliston <bje@au.ibm.com>
22104 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22106 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22107 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22108 (USE_FP_FOR_ARG): Reject decimal float modes.
22109 (function_arg_advance): Likewise.
22110 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22111 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22112 point types in AltiVec vectors.
22113 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22114 (rs6000_libcall_value): Likewise.
22116 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22118 * config/xtensa/ieee754-df.S: New file.
22119 * config/xtensa/ieee754-sf.S: New file.
22120 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22121 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22122 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22124 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22126 * config/sh/predicates.md (binary_float_operator,
22127 binary_logical_operator, commutative_float_operator,
22128 equality_comparison_operator, greater_comparison_operator,
22129 less_comparison_operator, logical_operator,
22130 noncommutative_float_operator, shift_operator,
22131 symbol_ref_operand, unary_float_operator): Remove redundant
22134 2006-01-09 Jeff Law <law@redhat.com>
22136 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22137 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22138 now unused arguments. Callers updated.
22139 (eliminate_redundant_computations): Remove now unused arguments,
22141 (local_fold): Remove, no longer used.
22142 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22144 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22145 (simplify_cond): New function.
22146 (forward_propagate_into_cond): Call simplify_cond.
22148 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22150 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22151 (*vec_extractv2di_1_sse): New.
22153 2006-01-09 Ben Elliston <bje@au.ibm.com>
22155 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22157 2006-01-08 Richard Guenther <rguenther@suse.de>
22159 * tree-ssa-structalias.c (get_constraint_for): Remove
22160 anyoffset argument.
22161 (get_constraint_for_component_ref): Likewise.
22162 (do_deref): Likewise.
22163 (get_constraint_for): Likewise.
22164 (do_structure_copy): Likewise.
22165 (handle_ptr_arith): Likewise.
22166 (find_func_aliases): Likewise. Remove unused need_anyoffset
22169 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22170 Kaz Kojima <kkojima@gcc.gnu.org>
22172 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22173 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22174 (EXTRA_CONSTRAINT_C16): Remove.
22175 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22176 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22177 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22178 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22179 constants of SHmedia. Handle nested constant expressions of
22181 (andcosts): Fix the costs for SHmedia constants.
22182 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22183 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22184 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22185 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22186 (movv4hi_i, movv2si_i): Likewise.
22187 (movsi_const): Adjust the second operand of ior so to match with
22188 the Csu constraint.
22189 (movdi_const, movdi_const_32bit): Likewise.
22190 (movdi_const_16bit+1): Don't sign-extend LOW.
22191 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22193 (*double_shori): Fix the split condition. Use GEN_INT instead
22194 of get_int_mode calls. Mask lower 16-bit of the argument of
22196 (sym2GOTPLT): Remove.
22197 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22199 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22200 instead of EXTRA_CONSTRAINT_C16.
22202 2006-01-07 Ian Lance Taylor <ian@airs.com>
22203 David Edelsohn <edelsohn@gnu.org>
22205 PR rtl-optimization/25662
22206 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22207 for constant operands instead of simplify_gen_binary.
22208 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22209 after trying simplify_binary_operation
22211 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22213 * tree.c (iterative_hash_expr): Hash decls based on UID.
22215 2006-01-06 Eric Christopher <echristo@apple.com>
22217 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22218 (TARGET_UNWIND_EMIT): Fix spelling.
22219 * target.h (gcc_target): Add except_table_label.
22220 * except.c (output_function_exception_table): Use.
22221 * varasm.c (default_emit_except_table_label): New.
22222 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22224 (asm_out): Add here.
22225 * output.h (default_emit_except_table_label): Prototype.
22226 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22227 * config/darwin.c (darwin_emit_except_table_label): Define.
22228 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22230 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22232 PR tree-optimization/18527
22233 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22234 number_of_iterations_special, number_of_iterations_exit):
22235 Move base and step of an iv to a single structure. Add
22236 no_overflow flag, and use it in # of iterations analysis.
22237 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22238 folded_casts argument.
22239 (simple_iv): Pass base and step in a structure. Set no_overflow
22241 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22242 Evaluate expensiveness of computing # of iterations instead of
22243 the final expression.
22244 * tree-scalar-evolution.h (affine_iv): New structure.
22245 (simple_iv): Declaration changed.
22246 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22247 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22248 find_givs_in_stmt): Changed due to simple_iv change.
22250 2006-01-06 Jeff Law <law@redhat.com>
22253 * tree-cfg.c (bsi_replace): Rename final argument from
22254 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22255 change (stmt -> orig_stmt).
22256 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22257 (bsi_remove): Add new argument. Remove EH information
22259 (verify_eh_throw_table_statements): New function.
22260 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22262 * tree-optimize.c (execute_free_cfg_annotations): Verify
22263 the EH throw statement table after removing annotations.
22264 * except.h (verify_eh_throw_table_statements): Prototype.
22265 * tree-flow.h (bsi_remove): Update prototype.
22266 * tree-vrp.c (remove_range_assertions): Add new argument to
22268 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22269 * tree-complex.c (expand_complex_div_wide): Likewise.
22270 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22271 * tree-tailcall.c (eliminate_tailcall): Likewise.
22272 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22273 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22274 * tree-nrv.c (tree_nrv): Likewise.
22275 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22276 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22277 (combine_blocks): Likewise.
22278 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22279 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22280 (cleanup_control_flow): Likewise.
22281 (remove_forwarder_block): Likewise.
22282 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22283 * tree-sra.c (sra_replace): Likewise.
22284 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22285 (forward_propagate_single_use_vars): Likewise.
22286 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22287 * tree-inline.c (expand_call_inline): Likewise.
22288 * tree-vect-transform.c (vect_transform_loop): Likewise.
22289 * tree-outof-ssa.c (rewrite_trees): Likewise.
22290 * tree-cfg.c (make_goto_expr_edges): Likewise.
22291 (cleanup_dead_labels): Likewise.
22292 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22293 (bsi_move_before, bsi_move_after): Likewise.
22294 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22295 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22297 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22300 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22302 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22303 on non gimple variables. Also add checks at the top for decls and
22305 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22307 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22308 and IMAGPART_EXPR for creating MUST_DEFs.
22309 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22310 and NAME_MEMORY_TAG separately from the DECLs.
22312 2006-01-06 Richard Guenther <rguenther@suse.de>
22314 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22315 annotation, if necessary.
22316 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22317 redundant calls to update_stmt.
22318 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22321 2006-01-05 Richard Henderson <rth@redhat.com>
22323 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22325 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22327 * c-typeck.c: Update copyright date.
22329 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22331 * c-typeck.c (build_c_cast): Always warn when casting
22332 from a pointer to an integer of different size, even if
22333 the node was constant.
22335 2006-01-05 Richard Guenther <rguenther@suse.de>
22337 PR tree-optimization/22555
22338 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22339 if one structure field is an array.
22340 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22341 operands even if we found a subvar, but ignore VOPs in this
22343 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22345 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22347 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22349 PR middle-end/24998
22350 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22352 2006-01-05 Richard Guenther <rguenther@suse.de>
22353 Diego Novillo <dnovillo@redhat.com>
22355 * tree-pass.h (TODO_remove_unused_locals): Define.
22356 * gimple-low.c (expand_var_p, remove_useless_vars,
22357 pass_remove_useless_vars): Remove. Update all users.
22358 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22359 (remove_unused_locals): New function.
22360 * tree-flow.h (remove_unused_locals): Declare.
22361 * passes.c (execute_todo): Call remove_unused_locals if
22362 TODO_remove_unused_locals is set.
22363 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22364 * tree-ssa-dce.c (pass_dce): Likewise.
22365 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22367 2006-01-05 Richard Guenther <rguenther@suse.de>
22369 * tree-flow.h (struct fieldoff): Decompose field to
22370 type, size and decl.
22371 * tree-ssa-alias.c (create_sft): Take type as parameter.
22372 (create_overlap_variables_for): Store type, size and decl
22373 in the fieldoff structure.
22374 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22375 of struct fieldoff.
22376 (push_fields_onto_fieldstack): Likewise.
22377 (create_variable_info_for): Likewise. Use offset for the
22378 SFT name if the decl is not available.
22380 2006-01-04 Paul Brook <paul@codesourcery.com>
22382 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22384 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22386 * lambda-code.c (can_put_in_inner_loop): Relax
22388 (can_put_after_inner_loop): New function.
22389 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22390 (perfect_nestify): Change to make copies and modify uses.
22392 2006-01-04 Richard Henderson <rth@redhat.com>
22394 Merge from gomp branch:
22395 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22396 via integer constant.
22397 (pragma_lex): Remove.
22398 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22399 rather than parsing it.
22400 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22401 handle_pragma_extern_prefix): Add %< %> quotes.
22402 (registered_pragmas): New.
22403 (c_register_pragma_1): New.
22404 (c_register_pragma): Use it.
22405 (c_register_pragma_with_expansion): Likewise.
22406 (c_invoke_pragma_handler): New.
22407 (init_pragma): Use cpp_register_deferred_pragma directly for
22409 * c-pragma.h (enum pragma_kind): New.
22410 (pragma_handler): New.
22411 (c_invoke_pragma_handler): Declare.
22412 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22414 * c-common.h (c_common_pch_pragma): Update decl.
22415 * Makefile.in (c-parser.o): Update dependencies.
22416 (GTFILES): Add c-pragma.h.
22417 * c-parser.c (struct c_token): Add pragma_kind.
22418 (struct c_parser): Add in_pragma.
22419 (c_lex_one_token): Always initialize keyword and pragma_kind.
22420 Extract data for CPP_PRAGMA.
22421 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22422 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22423 Don't allow CPP_PRAGMA_EOL if in_pragma.
22424 (c_parser_consume_pragma): New.
22425 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22426 (c_parser_skip_to_end_of_parameter): Likewise.
22427 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22428 (c_parser_skip_to_pragma_eol): New.
22429 (c_parser_external_declaration): Handle CPP_PRAGMA.
22430 (c_parser_compound_statement_nostart): Likewise.
22431 (c_parser_statement_after_labels): Likewise.
22432 (c_parser_pragma): New.
22433 (pragma_lex): Likewise.
22434 (c_parser_pragma_pch_preprocess): New.
22435 (c_parser_new): Merge into ...
22436 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22438 2006-01-04 Jeff Law <law@redhat.com>
22441 * tree-cfg.c (bsi_replace): Remove the original statement
22442 from the EH throw statement table.
22444 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22446 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22447 make the prototype extern "C" and add throw ().
22450 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22451 and pos non-negative and pos + len <= 32.
22452 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22453 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22454 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22457 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22458 as well as sizes not multiple of component size.
22461 * function.c (instantiate_expr): New function.
22462 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22463 walk its DECL_VALUE_EXPR with instantiate_expr.
22465 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22466 DW_OP_deref{,_size} if address isn't going to be added.
22468 2006-01-04 Ben Elliston <bje@au.ibm.com>
22470 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22471 * config/fp-bit.c: Likewise.
22473 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22475 * dominance.c: Add comment about why we use DFS numbering
22478 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22479 Richard Henderson <rth@redhat.com>
22481 Merge from gomp-branch:
22482 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22483 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22485 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22487 PR rtl-optimization/25578
22488 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22489 pass a parameter to simplify_shift_const if changing ASHIFTRT
22492 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22494 * builtins.c (get_builtin_sync_mem): New function.
22495 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22496 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22497 Call get_builtin_sync_mem to generate mem rtx.
22499 2006-01-03 Richard Guenther <rguenther@suse.de>
22502 * stmt.c (add_case_node): Make sure to clear overflow flags
22505 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22507 Merge from gomp-branch.
22508 * config/sparc/sync.md: New file.
22509 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22510 UNSPECV_LDSTUB): New constants.
22511 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22512 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22513 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22516 2006-01-03 Roger Sayle <roger@eyesopen.com>
22518 * combine.c (reg_subword_p): New predicate to test whether the
22519 destination of a set refers to a subword/piece of a register.
22520 (try_combine): Generalize the code to merge the setting of a
22521 pseudo to a constant followed by a set of a subword of that
22522 register to a constant.
22524 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22526 * basic-block.h (control_flow_graph): Change the type of
22527 x_label_to_block_map to VEC(basic_block,gc) *.
22528 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22529 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22531 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22532 VEC(basic_block,heap) *.
22533 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22534 ssa_prop_fini): Adjust the uses of cfg_blocks.
22536 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22538 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22540 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22541 hashing trees instead of a pointer hash.
22542 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22543 compare for MEM_EXPR.
22545 PR rtl-optimization/25130
22546 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22547 when comparing MEMs for GCSE
22549 2006-01-03 Ben Elliston <bje@au.ibm.com>
22551 * targhooks.h (default_decimal_float_supported_p): Declare.
22552 * targhooks.c (default_decimal_float_supported_p): Define.
22553 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22554 `default_decimal_float_supported_p'.
22555 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22557 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22559 * combine.c (apply_distributive_law <SUBREG>): Check
22560 TRULY_NOOP_TRUNCATION.
22562 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22564 * dwarf2out.c (have_switched_text_section): Delete.
22565 (have_multiple_function_sections): New.
22566 (have_location_lists): Make 'bool'.
22567 (add_AT_loc_list): Use 'true' not '1'.
22568 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22569 (output_loc_list): Use have_multiple_function_sections.
22570 (output_ranges): Likewise.
22571 (dwarf2out_begin_function): Set have_multiple_function_sections if
22573 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22574 Check function_section rather than DECL_SECTION_NAME.
22575 (dwarf2out_finish): Use have_multiple_function_sections.
22576 Don't clear have_location_lists.
22578 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22579 Jan Hubicka <jh@suse.cz>
22581 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22582 case of conditional jump jumping to the next instruction.
22583 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22584 cases of conditional jump jumping to the next instruction.
22586 2006-01-02 Jan Hubicka <jh@suse.cz>
22588 * i386.c (*_cost): Add COSTS_N_INSNS.
22589 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22591 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22594 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22596 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22598 * config/arm/arm.c (all_fpus): Fix comment typo.
22599 * config/darwin.c: Likewise.
22600 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22601 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22602 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22604 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22606 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22607 (rs6000_split_compare_and_swapqhi): New.
22608 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22609 (sync_compare_and_swapqhi_internal): New.
22610 * config/rs6000/rs6000-protos.h: Declare.