1 2010-04-30 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/43879
4 * tree-ssa-structalias.c (type_could_have_pointers): Functions
7 2010-04-30 Jan Hubicka <jh@suse.cz>
9 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
11 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
13 2010-04-30 Jan Hubicka <jh@suse.cz>
15 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
17 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
18 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
19 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
20 cgraph_node_set_needs_ltrans_p): Remove.
22 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
24 * sdbout.c: Include vec.h, do not include varray.h.
25 (deferred_global_decls, sdbout_global_decl,
26 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
27 * toplev.c: Do not include varray.h.
28 (dump_memory_report): Do not dump VARRAY statistics.
29 * gengtype.c (open_base_file): Ignore varray.h.
30 * Makefile.in: Update for abovementioned changes.
31 Remove all traces of varray.c and varray.h.
32 * varray.c: Remove file.
33 * varray.h: Remove file.
35 2010-04-30 Jan Hubicka <jh@suse.cz>
37 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
40 2010-04-30 Jan Hubicka <jh@suse.cz>
42 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
45 2010-04-30 Richard Guenther <rguenther@suse.de>
47 * tree-ssa-structalias.c (get_constraint_for_1): Generate
48 constraints for CONSTRUCTOR.
50 2010-04-30 Richard Guenther <rguenther@suse.de>
53 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
54 first after all lowering passes.
56 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
58 * toplev.c: Include varray.h for statistics dumping.
59 * tree.h: Do not declare varray_head_tag.
60 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
61 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
62 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
63 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
64 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
65 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
66 c-common.c, c-common.h, reg-stack.c, basic-block.h,
67 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
69 * Makefile.in: Update for abovementioned changes.
71 2010-04-30 Jakub Jelinek <jakub@redhat.com>
74 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
76 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
78 * config/picochip/picochip.c (picochip_legitimize_address): Define.
79 Use this function to do machine-specific conversion.
80 (picochip_legitimize_reload_address): Likewise.
81 (picochip_legitimate_address_p): Check valid base register only if
83 (picochip_check_conditional_copy): Check for modw only if opnd is
85 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
86 to call the function in c.
87 * config/picochip/picochip-protos.h
88 (picochip_legitimize_reload_address): Define.
89 * config/picochip/picochip.md (supported_compare1): Define.
91 2010-04-30 Jan Hubicka <jh@suse.cz>
93 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
94 (cgraph_global_info): Remove inlined.
95 (LTO_cgraph_tag_names): Remove.
96 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
97 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
98 simplify cgraph tags and document.
99 (lto_output_node): Use only LTO_cgraph_unavail_node and
100 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
101 for_functions_valid, global info, process and output
103 (input_overwrite_node): Initialize estimated stack size and
105 Do not read flags we no longer store.
106 (input_node): Likewise do not read info no longer stored.
107 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
110 2010-04-30 Richard Guenther <rguenther@suse.de>
112 PR tree-optimization/43879
113 * tree-ssa-structalias.c (get_constraint_for_1): Properly
114 handle non-zero initializers.
116 2010-04-30 Richard Guenther <rguenther@suse.de>
118 * builtins.c (fold_builtin_1): Delete free (0).
120 2010-04-29 Jan Hubicka <jh@suse.cz>
122 * gengtype.c (open_base_files): Add lto-streamer.h
123 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
124 (pass_ipa_cp): GGC collect.
125 * toplev. (compile_file): Do not output symbols.
126 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
127 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
128 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
129 * lto-section-in.c: Include ggc.h
130 (lto_new_in_decl_state): Alloc in GGC.
131 (lto_delete_in_decl_state): Likewise.
132 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
134 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
137 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
138 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
139 (HONOR_REG_ALLOC_ORDER): Describe new macro.
140 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
141 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
142 account only if HONOR_REG_ALLOC_ORDER is not defined.
143 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
144 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
146 2010-04-29 Jon Grant <04@jguk.org>
148 * collect2.c (vflag): Change type from int to bool.
150 (helpflag): New global bool.
151 (main): Set vflag and debug with boolean, not integer truth
152 values. Accept new "--help" option and output usage text if
154 * collect2.h (vflag): Update prototype.
157 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
160 * plugin.h (flag_plugin_added): Moved out of
161 invoke_plugin_callbacks.
163 2010-04-29 Richard Guenther <rguenther@suse.de>
166 * plugin.h (invoke_plugin_callbacks): Annotate arguments
167 with ATTRIBUTE_UNUSED.
169 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
172 * config/i386/i386.c (get_some_local_dynamic_name): Replace
173 INSN_P with NONDEBUG_INSN_P.
174 (distance_non_agu_define): Likewise.
175 (distance_agu_use): Likewise.
177 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
179 From Dominique d'Humieres <dominiq@lps.ens.fr>
181 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
184 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
186 * plugin.h (invoke_plugin_callbacks): New inline function.
187 * plugin.c (flag_plugin_added): New global flag.
188 (add_new_plugin): Initialize above flag.
189 (invoke_plugin_callbacks): Rename to ...
190 (invoke_plugin_callbacks_full): ... this.
192 2010-04-28 Jan Hubicka <jh@suse.cz>
194 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
195 (lto_varpool_replace_node): New.
196 (lto_symtab_resolve_symbols): Resolve varpool nodes.
197 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
198 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
199 * cgraph.h (varpool_node_ptr): New type.
200 (varpool_node_ptr): New vector.
201 (varpool_node_set_def): New structure.
202 (varpool_node_set): New type.
203 (varpool_node_set): New vector.
204 (varpool_node_set_element_def): New structure.
205 (varpool_node_set_element, const_varpool_node_set_element): New types.
206 (varpool_node_set_iterator): New type.
207 (varpool_node): Add prev pointers, add used_from_other_partition,
209 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
210 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
211 varpool_get_node, varpool_remove_node): Declare.
212 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
213 varpool_node_set_size): New inlines.
214 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
215 * tree-pass.h (varpool_node_set_def): Forward declare.
216 (ipa_opt_pass_d): Summary writting takes vnode sets too.
217 (ipa_write_optimization_summaries): Update prototype.
218 * ipa-cp.c (ipcp_write_summary): Update.
219 * ipa-reference.c (ipa_reference_write_summary): Update.
220 * lto-cgraph.c (lto_output_varpool_node): New static function.
221 (output_varpool): New function.
222 (input_varpool_node): New static function.
223 (input_varpool_1): New function.
224 (input_cgraph): Input varpool.
225 * ipa-pure-const.c (pure_const_write_summary): Update.
226 * lto-streamer-out.c (lto_output): Update, output varpool too.
227 (write_global_stream): Kill WPA hack.
228 (produce_asm_for_decls): Update.
229 (output_alias_pair_p): Handle variables.
230 (output_unreferenced_globals): Output only needed partition of varpool.
231 * ipa-inline.c (inline_write_summary): Update.
232 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
233 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
234 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
235 varpool_node_set_new, varpool_node_set_add,
236 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
237 debug_varpool_node_set): New functions.
238 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
239 (execute_one_pass): Process new decls too.
240 (ipa_write_summaries_2): Pass around vsets.
241 (ipa_write_summaries_1): Likewise.
242 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
244 (ipa_write_optimization_summaries_1): Pass around vsets.
245 (ipa_write_optimization_summaries): Likewise.
246 * varpool.c (varpool_get_node): New.
247 (varpool_node): Update doubly linked lists.
248 (varpool_remove_node): New.
249 (dump_varpool_node): More dumping.
250 (varpool_enqueue_needed_node): Update doubly linked lists.
251 (decide_is_variable_needed): Kill ltrans hack.
252 (varpool_finalize_decl): Kill lto hack.
253 (varpool_assemble_decl): Skip decls in other partitions.
254 (varpool_assemble_pending_decls): Update doubly linkes lists.
255 (varpool_empty_needed_queue): Likewise.
256 (varpool_extra_name_alias): Likewise.
257 * lto-streamer.c (lto_get_section_name): Add vars section.
258 * lto-streamer.h (lto_section_type): Update.
259 (output_varpool, input_varpool): Declare.
261 2010-04-28 Mike Stump <mikestump@comcast.net>
263 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
265 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
267 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
268 record or union type with RECORD_OR_UNION_TYPE_P predicate.
269 (lto_input_ts_type_tree_pointers): Likewise.
270 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
271 (lto_output_ts_type_tree_pointers): Likewise.
273 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
275 Uniquization of constants at the Tree level
276 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
277 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
279 (tree_output_constant_def): Declare.
280 * gimplify.c (gimplify_init_constructor): When using block copy, first
281 uniquize the constant constructor on the RHS.
282 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
283 DECL_IN_CONSTANT_POOL flag.
284 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
285 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
287 (assemble_variable): Deal with symbols belonging to the tree constant
289 (get_constant_section): Add ALIGN parameter and simplify.
290 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
291 (assemble_constant_contents): Use the expression of the VAR_DECL.
292 (output_constant_def_contents): Use the alignment of the VAR_DECL.
293 (tree_output_constant_def): New global function.
294 (mark_constant): Use the expression of the VAR_DECL.
295 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
297 (output_object_block): Likewise and assemble the expression.
299 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
301 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
302 hash_tree, eq_tree): New tree hash table.
303 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
304 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
305 lto_orig_address_remove): Reimplement.
307 2010-04-28 Xinliang David Li <davidxl@google.com>
310 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
311 (compute_uninit_opnds_pos): New function.
312 (is_non_loop_exit_postdominating): New function.
313 (compute_control_dep_chain): New function.
314 (find_pdom): New function.
315 (convert_control_dep_chain_into_preds): New function.
316 (find_predicates): New function.
317 (find_control_equiv_block): New function.
318 (collect_phi_def_edges): New function.
319 (find_def_preds): New function.
320 (find_dom): New function.
321 (dump_predicates): New function.
322 (get_cmp_code): New function.
323 (is_value_included_in): New function.
324 (find_matching_predicate_in_rest_chains): New function.
325 (use_pred_not_overlap_with_undef_path_pred): New function.
326 (is_use_properly_guarded): New function.
327 (normalize_cond_1): New function.
328 (is_and_or_or): New function.
329 (normalize_cond): New function.
330 (is_gcond_subset_of): New function.
331 (is_subset_of_any): New function.
332 (is_or_set_subset_of): New function.
333 (is_and_set_subset_of): New function.
334 (is_norm_cond_subset_of): New function.
335 (is_pred_expr_subset_of): New function.
336 (is_pred_chain_subset_of): New function.
337 (is_included_in): New function.
338 (is_superset_of): New function.
339 (find_uninit_use): New function.
340 (warn_uninitialized_phi): New function.
341 (compute_possibly_undefined_names): New function.
342 (ssa_undefined_value_p): New function.
343 (execute_late_warn_uninitialized): New function.
344 * tree-ssa.c (ssa_undefined_value_p): Removed.
345 (warn_uninit): Changed to extern.
346 (warn_uninitialized_phi): Removed.
347 (warn_uninitialized_vars): Changed to extern.
348 (execute_late_warn_uninitialized): Removed
349 * tree-flow.h: Add new prototypes.
350 * timevar.def: Add new time variable.
351 * Makefile.in: Add new build file.
353 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
355 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
358 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
361 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
363 2010-04-28 Martin Jambor <mjambor@suse.cz>
365 * cgraph.h (struct cgraph_node): New field indirect_calls.
366 (struct cgraph_indirect_call_info): New type.
367 (struct cgraph_edge): Removed field indirect_call. New fields
368 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
369 (cgraph_create_indirect_edge): Declare.
370 (cgraph_make_edge_direct): Likewise.
371 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
372 * ipa-prop.h (struct ipa_param_call_note): Removed.
373 (struct ipa_node_params): Removed field param_calls.
374 (ipa_create_all_structures_for_iinln): Declare.
375 * cgraph.c: Described indirect edges and uids in initial comment.
376 (cgraph_add_edge_to_call_site_hash): New function.
377 (cgraph_edge): Search also among the indirect edges, use
378 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
379 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
380 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
382 (initialize_inline_failed): Assign a reason to indirect edges.
383 (cgraph_create_edge_1): New function.
384 (cgraph_create_edge): Moved some functionality to
385 cgraph_create_edge_1.
386 (cgraph_create_indirect_edge): New function.
387 (cgraph_edge_remove_callee): Add an assert checking for
389 (cgraph_edge_remove_caller): Special-case indirect edges.
390 (cgraph_remove_edge): Likewise.
391 (cgraph_set_edge_callee): New function.
392 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
393 (cgraph_make_edge_direct): New function.
394 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
395 the declaration of the call statement matches.
396 (cgraph_node_remove_callees): Special-case indirect edges.
397 (cgraph_clone_edge): Likewise.
398 (cgraph_clone_node): Clone also the indirect edges.
399 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
400 indirect_call, dump count of indirect_calls edges.
401 * ipa-prop.c (iinlining_processed_edges): New variable.
402 (ipa_note_param_call): Create indirect edges instead of
403 creating notes. New parameter node.
404 (ipa_analyze_call_uses): New parameter node, pass it on to
406 (ipa_analyze_stmt_uses): Likewise.
407 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
408 (print_edge_addition_message): Work on edges rather than on notes.
409 (update_call_notes_after_inlining): Likewise, renamed to
410 update_indirect_edges_after_inlining.
411 (ipa_create_all_structures_for_iinln): New function.
412 (ipa_free_node_params_substructures): Do not free notes.
413 (ipa_edge_duplication_hook): Propagate bits within
414 iinlining_processed_edges bitmap.
415 (ipa_node_duplication_hook): Do not duplicate notes.
416 (free_all_ipa_structures_after_ipa_cp): Renamed to
417 ipa_free_all_structures_after_ipa_cp.
418 (free_all_ipa_structures_after_iinln): Renamed to
419 ipa_free_all_structures_after_iinln.g
420 (ipa_write_param_call_note): Removed.
421 (ipa_read_param_call_note): Removed.
422 (ipa_write_indirect_edge_info): New function.
423 (ipa_read_indirect_edge_info): Likewise.
424 (ipa_write_node_info): Do not stream notes, do stream information
426 (ipa_read_node_info): Likewise.
427 (lto_ipa_fixup_call_notes): Removed.
428 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
429 * ipa-inline.c (pass_ipa_inline): Likewise.
430 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
431 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
432 * tree-inline.c (copy_bb): Removed an unnecessary double check for
434 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
436 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
437 (output_cgraph): Stream also indirect edges.
438 (lto_output_edge): Added capability to stream indirect edges.
439 (input_edge): Likewise.
440 (input_cgraph_1): Likewise.
441 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
444 2010-04-28 Richard Guenther <rguenther@suse.de>
446 PR tree-optimization/43879
447 PR tree-optimization/43909
448 * tree-ssa-structalias.c (struct variable_info): Add
449 only_restrict_pointers flag.
450 (new_var_info): Initialize it. Increment stats.total_vars here.
451 (create_function_info_for): Do not increment stats.total_vars
453 (get_function_part_constraint): Fix build with C++.
454 (insert_into_field_list): Remove.
455 (push_fields_onto_fieldstack): Properly merge fields.
456 (create_variable_info_for): Split and simplify.
457 (create_variable_info_for_1): New piece.
458 (intra_create_variable_infos): Properly make restrict constraints
461 2010-04-28 Richard Guenther <rguenther@suse.de>
464 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
467 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
468 Jan Hubicka <hubicka@ucw.cz>
470 * doc/invoke.texi (-Wsuggest-attribute=const,
471 -Wsuggest-attribute=pure): Document.
472 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
473 (function_always_visible_to_compiler_p,
474 suggest_attribute, warn_function_pure, warn_function_const):
476 (check_call): Improve debug info.
477 (analyze_function): Do not check availability.
478 (add_new_function): Check availability.
479 (propagate): Output warnings.
480 (skip_function_for_local_pure_const): New function.
481 (local_pure_const): Use it; output warnings.
482 * common.opt (Wsuggest-attribute=const,
483 Wsuggest-attribute=pure): New.
485 2010-04-27 Jakub Jelinek <jakub@redhat.com>
487 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
488 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
489 or DW_CFA_def_cfa_offset{,_sf}.
491 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
493 * tree.h: Fix truncated long macros.
495 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
497 * collect2.c (TARGET_64BIT): Redefine to target's default.
499 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
500 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
501 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
502 for underscoring __USER_LABEL_PREFIX__.
503 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
504 (SUB_LINK_ENTRY32): New.
505 (SUB_LINK_ENTRY64): New.
506 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
507 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
508 (SUB_LINK_ENTRY64): New.
509 (SUB_LINK_ENTRY): New.
510 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
511 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
512 x64 target is choosen.
513 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
514 * configure: Regenerated.
515 * configure.ac (leading-mingw64-underscores): Option added.
517 2010-04-27 Jan Hubicka <jh@suse.cz>
519 * doc/invoke.texi (-fipa-profile): Document.
520 * opts.c (decode_options): Enable ipa-profile at -O1.
521 * timevar.def (TV_IPA_PROFILE): Define.
522 * common.opt (fipa-profile): Add.
523 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
525 (cgraph_propagate_frequency): Handle only local ones.
526 * tree-pass.h (pass_ipa_profile): Declare.
527 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
528 (pass_ipa_profile): Use TV_IPA_PROFILE.
529 * ipa.c (ipa_profile): New function.
530 (gate_ipa_profile): Likewise.
531 (pass_ipa_profile): New global variable.
532 * passes.c (pass_ipa_profile): New.
534 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
536 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
538 2010-04-27 Martin Jambor <mjambor@suse.cz>
541 * ipa.c (dissolve_same_comdat_group_list): New function.
542 (function_and_variable_visibility): Call
543 dissolve_same_comdat_group_list when comdat group contains external or
545 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
546 lists are circular and that they contain only DECL_ONE_ONLY nodes.
548 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
550 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
551 (const_hash_1) <VECTOR_CST>: New case.
552 (compare_constant) <VECTOR_CST>: Likewise.
553 <ADDR_EXPR>: Deal with LABEL_REFs.
554 (copy_constant) <VECTOR_CST>: New case.
556 2010-04-27 Jan Hubicka <jh@suse.cz>
558 * cgraph.c (cgraph_propagate_frequency): New function.
559 * cgraph.h (cgraph_propagate_frequency): Declare.
560 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
561 cgraph_propagate_frequency.
563 2010-04-27 Jakub Jelinek <jakub@redhat.com>
565 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
567 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
570 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
571 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
572 here to determine which regs to push and how much stack to reserve.
574 2010-04-27 Jie Zhang <jie@codesourcery.com>
576 * doc/gimple.texi (gimple_statement_with_ops): Remove
577 addresses_taken field.
578 (gimple_statement_with_memory_ops): Likewise.
580 2010-04-27 Jan Hubicka <jh@suse.cz>
582 * tree-inline.c (eni_inlining_weights): Remove.
583 (estimate_num_insns): Special case more builtins.
585 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
588 * c-typeck.c (build_binary_op): Move forward check for comparison
589 pointer with null pointer constant and adjust the diagnostic message.
591 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
594 * configure.ac (gcc_cv_as_section_has_align): Set if installed
595 binutils supports extended .section directive needed by LTO, or
596 warn if older binutils found.
597 (LTO_BINARY_READER): New AC_SUBST'd variable.
598 (LTO_USE_LIBELF): Likewise.
599 * gcc/config.gcc (lto_binary_reader): New target-specific configure
601 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
602 (LTO_USE_LIBELF): Likewise.
603 * configure: Regenerate.
605 * collect2.c (is_elf): Rename from this ...
606 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
607 object files in addition to ELF-formatted ones.
608 (scan_prog_file): Caller updated. Also allow for LTO info marker
609 symbol to be prefixed or not by an extra underscore.
611 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
612 * config/i386/winnt.c: Also #include lto-streamer.h
613 (i386_pe_asm_named_section): Specify 1-byte section alignment for
615 (i386_pe_asm_output_aligned_decl_common): Add comment.
616 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
618 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
621 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
622 Add missing earlyclobber for second alternative.
624 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
626 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
627 bits for artificial defs at the top of the block.
628 * fwprop.c (single_def_use_enter_block): Don't call it.
630 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
633 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
634 instead of "$gcc_cv_objdump -T".
635 Use "-undefined dynamic_lookup" on darwin.
636 * gcc/configure: Regenerate.
638 2010-04-26 Jakub Jelinek <jakub@redhat.com>
641 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
643 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
645 * c-parser.c (struct c_token): Move location field up.
646 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
647 (struct c_declspecs): Convert typespec_word, storage_class, and
648 default_int_p into bitfields.
649 (struct c_declarator): Move loc field up.
651 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
653 * cfgloop.h (struct loop): Move can_be_parallel field up.
654 * ipa-prop.h (struct ip_node_params): Move bitfields up.
655 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
657 (struct iv_cand): Convert pos field into a bitfield.
658 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
660 (struct _stmt_vec_info): Shuffle fields for better packing.
662 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
664 * varasm.c (IN_NAMED_SECTION): Remove guard.
665 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
666 (IN_NAMED_SECTION_P): ...this.
667 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
668 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
670 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
672 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
673 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
674 of shadowing it. Fix comments.
676 2010-04-26 Jan Hubicka <jh@suse.cz>
678 * cgraph.c (cgraph_create_node): Set node frequency to normal.
679 (cgraph_clone_node): Copy function frequency.
680 * cgraph.h (node_frequency): New enum
681 (struct cgraph_node): Add.
682 * final.c (rest_of_clean_state): Update.
683 * lto-cgraph.c (lto_output_node): Output node frequency.
684 (input_overwrite_node): Input node frequency.
685 * tre-ssa-loop-ivopts (computation_cost): Update.
686 * lto-streamer-out.c (output_function): Do not output function
688 * predict.c (maybe_hot_frequency_p): Update and handle functions
690 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
692 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
693 (compute_function_frequency): Set noreturn functions to be executed
695 (choose_function_section): Update.
696 * lto-streamer-in.c (input_function): Do not input function frequency.
697 * function.c (allocate_struct_function): Do not initialize function
699 * function.h (function_frequency): Remove.
700 (struct function): Remove function frequency.
701 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
702 (try_update): Update.
703 * tree-inline.c (initialize_cfun): Do not update function frequency.
704 * passes.c (pass_init_dump_file): Update.
705 * i386.c (ix86_compute_frame_layout): Update.
706 (ix86_pad_returns): Update.
708 2010-04-26 Jie Zhang <jie@codesourcery.com>
710 PR tree-optimization/43833
711 * tree-vrp.c (range_int_cst_p): New.
712 (range_int_cst_singleton_p): New.
713 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
714 when both operands are constants. Use range_int_cst_p in
717 2010-04-26 Jan Hubicka <jh@suse.cz>
719 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
721 2010-04-26 Richard Guenther <rguenther@suse.de>
724 * gimple.c (gimple_decl_printable_name): Deal gracefully
725 with a NULL DECL_NAME.
727 2010-04-26 Richard Guenther <rguenther@suse.de>
730 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
731 if emitting debug information and it is either a function
734 2010-04-26 Ira Rosen <irar@il.ibm.com>
736 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
737 determine if the statement is vectorizable, and a macro to access it.
738 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
739 Skip statements that can't be vectorized. If the analysis fails,
740 mark the statement as unvectorizable if vectorizing basic block.
741 (vect_compute_data_refs_alignment): Likewise.
742 (vect_verify_datarefs_alignment): Skip statements marked as
743 unvectorizable. Add print.
744 (vect_analyze_group_access): Skip statements that can't be
745 vectorized. If the analysis fails, mark the statement as
746 unvectorizable if vectorizing basic block.
747 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
748 * tree-vect-stmts.c (vectorizable_store): Fix the number of
749 generated stmts for SLP.
750 (new_stmt_vec_info): Initialize the new field.
751 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
752 statements marked as unvectorizable.
754 2010-04-25 Joseph Myers <joseph@codesourcery.com>
756 * c-common.c (flag_isoc1x): New.
757 (flag_isoc99): Update comment.
758 * c-common.h (flag_isoc1x): New.
759 (flag_isoc99): Update comment.
760 * c-cppbuiltin.c (builtin_define_float_constants): Also define
761 __<type>_DECIMAL_DIG__.
762 * c-opts.c (set_std_c1x): New.
763 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
764 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
765 * c.opt (-std=c1x, -std=gnu1x): New options.
766 * doc/cpp.texi: Mention -std=c1x.
767 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
768 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
769 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
770 * doc/standards.texi: Mention C1X.
771 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
772 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
773 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
776 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
778 * config/i386/gmon-sol2.c (_mcleanup): Change format string
779 placeholder from 0x%x to %#x.
780 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
781 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
782 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
783 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
784 * config/i386/i386.c (ix86_target_string): Ditto.
785 (output_pic_addr_const): Ditto.
786 (print_operand): Ditto.
788 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
790 * combine.c (find_split_point): Add third argument. Use it
791 to find nested multiply-accumulate instructions. Adjust calls.
792 (try_combine): Adjust call to find_split_point.
794 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
796 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
798 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
800 PR tree-optimization/41442
801 * fold-const.c (merge_truthop_with_opposite_arm): New function.
802 (fold_binary_loc): Call it.
804 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
806 * toplev.c (general_init): Set default for fdiagnostics-show-option.
807 * opts.c (common_handle_option): Allow disabling it.
808 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
810 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
812 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
813 between modes if both types are integral.
815 2010-04-23 Richard Guenther <rguenther@suse.de>
817 PR tree-optimization/43572
818 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
820 2010-04-23 Richard Guenther <rguenther@suse.de>
823 * tree-inline.c (tree_can_inline_p): Also check compatibility
826 2010-04-23 Martin Jambor <mjambor@suse.cz>
828 PR tree-optimization/43846
829 * tree-sra.c (struct access): New flag grp_assignment_read.
830 (build_accesses_from_assign): Set grp_assignment_read.
831 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
832 (enum mark_read_status): New type.
833 (analyze_access_subtree): Propagate grp_assignment_read, create
834 accesses also if both direct_read and root->grp_assignment_read.
836 2010-04-23 Martin Jambor <mjambor@suse.cz>
839 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
840 function does not have type attributes.
842 2010-04-23 Richard Guenther <rguenther@suse.de>
845 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
848 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
850 * sese.h (create_if_region_on_edge): Remove.
852 * sese.c (create_if_region_on_edge): Make static.
854 * tree-inline.c: Do not include ggc.h.
856 * expr.c: Do not include ggc.h.
858 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
861 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
864 * config/sh/sh.c (find_barrier): Don't emit a constant pool
865 in the middle of insns for casesi_worker_2.
867 2010-04-22 David Edelsohn <edelsohn@gnu.org>
869 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
871 2010-04-22 Ira Rosen <irar@il.ibm.com>
873 PR tree-optimization/43842
874 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
875 loop unrolling in update of exit phis. Fix comment.
876 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
877 least two reduction statements in the loop before starting SLP
880 2010-04-22 Nick Clifton <nickc@redhat.com>
882 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
884 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
886 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
889 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
891 * tree-parloops.c (loop_parallel_p): New argument
892 parloop_obstack. Pass it down.
893 (parallelize_loops): New variable parloop_obstack. Initialize it,
894 pass it down, free it.
896 * tree-loop-linear.c (linear_transform_loops): Pass down
899 * tree-data-ref.h (lambda_compute_access_matrices): New argument
900 of type struct obstack *.
902 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
903 scratch_obstack. Initialize it, pass down, free it.
905 * lambda.h (lambda_loop_new): Remove.
906 (lambda_matrix_new, lambda_matrix_inverse)
907 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
908 argument of type struct obstack *.
910 * lambda-trans.c (lambda_trans_matrix_new): New argument
911 lambda_obstack. Pass it down, use obstack allocation for ret.
912 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
915 * lambda-mat.c (lambda_matrix_get_column)
916 (lambda_matrix_project_to_null): Remove.
917 (lambda_matrix_new): New argument lambda_obstack. Use obstack
919 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
922 * lambda-code.c (lambda_loop_new): New function.
923 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
924 (lambda_compute_auxillary_space, lambda_compute_target_space)
925 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
926 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
927 (build_access_matrix): New argument lambda_obstack. Use obstack
929 (lambda_compute_step_signs, lambda_compute_access_matrices): New
930 argument lambda_obstack. Pass it down.
932 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
934 * optabs.h (expand_widening_mult): Declare.
936 2010-04-22 Richard Guenther <rguenther@suse.de>
938 PR tree-optimization/43845
939 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
940 lookup the CALL_EXPR function and arguments.
942 2010-04-22 Nick Clifton <nickc@redhat.com>
944 * config/stormy16/stormy16.c
945 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
946 * config/stormy16/stormy16.h: Tidy up formatting.
947 (DONT_USE_BUILTIN_SETJMP): Remove definition.
948 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
949 (ineqbranchsi): Delete pattern.
950 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
951 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
952 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
953 stormy16-lib2-ucmpsi2.c.
955 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
957 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
958 df_simulate_find_noclobber_defs as appropriate. Keep track of an
959 extra set merge_set_noclobber, and use it to relax the final test
961 * df.h (df_simulate_find_noclobber_defs): Declare.
962 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
964 (df_simulate_find_noclobber_defs): New function.
966 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
968 * config/i386/i386.md: Use {} around multi-line preparation statements.
970 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
972 * c-tree.h (push_init_level, pop_init_level, set_init_index)
973 (process_init_element): New argument of type struct obstack *.
975 * c-typeck.c (push_init_level, pop_init_level, set_designator)
976 (set_init_index, set_init_label, set_nonincremental_init)
977 (set_nonincremental_init_from_string, find_init_member)
978 (output_init_element, output_pending_init_elements)
979 (process_init_element): New argument braced_init_obstack. Pass it
981 (push_range_stack, add_pending_init): New argument
982 braced_init_obstack. Use obstack allocation.
984 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
985 braced_init_obstack. Pass it down.
986 (c_parser_braced_init): New variables ret, braced_init_obstack.
987 Initialize obstack, pass it down and finally free it.
989 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
992 * tree-pass.h (pass_optimize_widening_mul): Declare.
993 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
994 gate_optimize_widening_mul): New static functions.
995 (pass_optimize_widening_mul): New.
996 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
997 <case MULT_EXPR>: Remove support for widening multiplies.
998 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
999 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1000 simplify_gen_unary rather than directly building extensions.
1001 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1003 * expmed.c (expand_widening_mult): New function.
1004 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1006 2010-04-21 Jan Hubicka <jh@suse.cz>
1008 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1009 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1010 * lto-wpa-fixup.c: Remove.
1011 * Makefile.in (lto-wpa-fixup.o): Remove.
1012 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1013 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1014 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1016 2010-04-21 Jan Hubicka <jh@suse.cz>
1018 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1019 add write_optimization_summary, read_optimization_summary.
1020 (ipa_write_summaries_of_cgraph_node_set): Remove.
1021 (ipa_write_optimization_summaries): Declare.
1022 (ipa_read_optimization_summaries): Declare.
1023 * ipa-cp.c (pass_ipa_cp): Update.
1024 * ipa-reference.c (pass_ipa_reference): Update.
1025 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1026 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1028 * ipa-inline.c (pass_ipa_inline): Update.
1029 * ipa.c (pass_ipa_whole_program): Update.
1030 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1031 * passes.c (ipa_write_summaries_1): Do not test wpa.
1032 (ipa_write_optimization_summaries_1): New.
1033 (ipa_write_optimization_summaries): New.
1034 (ipa_read_summaries): Do not test ltrans.
1035 (ipa_read_optimization_summaries_1): New.
1036 (ipa_read_optimization_summaries): New.
1038 2010-04-21 Jan Hubicka <jh@suse.cz>
1040 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1042 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1044 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1047 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1048 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1050 2010-04-21 Jan Hubicka <jh@suse.cz>
1052 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1054 2010-04-21 Jan Hubicka <jh@suse.cz>
1056 * varpool.c (decide_is_variable_needed): Variable is always needed
1059 2010-04-21 Jan Hubicka <jh@suse.cz>
1061 * opts.c (decode_options): Enable pure-const pass for whopr.
1063 2010-04-21 Jan Hubicka <jh@suse.cz>
1065 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1066 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1068 (cgraph_decide_inlining): Do not expect callee to be removed in all
1071 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1073 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1075 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1077 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1078 amdfam10_decode attributes.
1080 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1083 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1084 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1085 (lower_copyprivate_clauses): Use private var in outer
1086 context instead of original var. Make sure the types
1087 are correct for VLAs.
1089 2010-04-21 Richard Guenther <rguenther@suse.de>
1091 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1092 to non-pointer objects.
1094 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1096 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1097 last chain entry if it starts with the still current label.
1098 (add_location_or_const_value_attribute): Check that
1099 loc_list->first->next is NULL instead of comparing ->first with ->last.
1100 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1101 to add_var_loc_to_decl.
1103 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1104 >= 4 add also address size and segment size fields into CIE header.
1106 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1107 long as address size is the same as sizeof (void *) and
1109 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1110 address size or segment size is unexpected, return DW_EH_PE_omit.
1111 (classify_object_over_fdes): If get_cie_encoding returned
1112 DW_EH_PE_omit, return -1.
1113 (init_object): If classify_object_over_fdes returned -1,
1114 pretend there were no FDEs at all.
1116 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1118 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1119 bswap{si,di}2 using SWI48 mode iterator.
1120 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1121 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1122 set modrm attribute of bswap insn to 0 and remove length attribute.
1123 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1124 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1125 set mode attribute to <MODE> and remove length attribute.
1127 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1129 PR rtl-optimization/43520
1130 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1131 zero available registers.
1133 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1135 * builtins.c (fold_builtin_cproj): Fold more cases.
1137 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1139 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1140 (fold_builtin_1): Fold builtin cproj.
1141 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1142 Use ATTR_CONST_NOTHROW_LIST.
1144 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1146 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1147 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1148 ffsi2_no_cmove for !TARGET_CMOVE.
1149 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1150 (ffssi2): Remove expander.
1151 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1153 (ctz<mode>2): Ditto from ctz{si,di}2.
1154 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1156 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1159 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1161 * dwarf2out.c (AT_linkage_name): Define.
1162 (clone_as_declaration): Handle DW_AT_linkage_name.
1163 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1164 of DW_AT_MIPS_linkage_name.
1165 (move_linkage_attr): Likewise.
1166 (dwarf2out_finish): Likewise.
1168 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1171 * fold-const.c (fold_comparison): New folding rule.
1173 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1175 * double-int.h (double_int_setbit): Declare.
1176 * double-int.c (double_int_setbit): New function.
1177 * rtl.h (immed_double_int_const): Declare.
1178 * emit-rtl.c (immed_double_int_const): New function.
1179 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1180 and immed_double_int_const functions.
1181 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1182 expand_copysign_bit): (Ditto.).
1183 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1184 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1185 * dojump.c (prefer_and_bit_test): (Ditto.).
1186 * expr.c (convert_modes, reduce_to_bit_field_precision,
1187 const_vector_from_tree): (Ditto.).
1188 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1190 2010-04-20 Jan Hubicka <jh@suse.cz>
1192 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1193 (dump_cgraph_node): Dump new flags.
1194 * cgraph.h (struct cgraph_node): Add flags
1195 reachable_from_other_partition and in_other_partition.
1196 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1197 other partition can not be removed.
1198 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1199 the other partition must be output; silence sanity checking on
1200 leaking functions bodies from other paritition.
1201 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1202 (lto_output_node): Output new flags; do not sanity check that inline
1203 clones are output; drop lto_forced_extern_inline_p code; do not mock
1204 visibility flags at partition boundaries.
1205 (add_node_to): New function.
1206 (output_cgraph): Use it to sort functions so masters appear before
1208 (input_overwrite_node): Input new flags.
1209 * passes.c (ipa_write_summaries): Do not call
1210 lto_new_extern_inline_states.
1211 * lto-section-out.c (forced_extern_inline,
1212 lto_new_extern_inline_states lto_delete_extern_inline_states,
1213 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1214 * lto-streamer.h (lto_new_extern_inline_states,
1215 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1216 lto_forced_extern_inline_p): Kill.
1218 2010-04-20 Richard Guenther <rguenther@suse.de>
1220 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1221 from vars that can have pointers.
1222 (process_constraint): Dump useless constraints.
1224 2010-04-20 Richard Guenther <rguenther@suse.de>
1226 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1227 (dump_sa_points_to_info): Remove asserts.
1228 (init_base_vars): nothing_id isn't an escape point nor does it
1231 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1233 * tree.h (TYPE_REF_IS_RVALUE): Define.
1234 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1235 should_move_die_to_comdat, prune_unused_types_walk): Handle
1236 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1237 (modified_type_die, gen_reference_type_die): Emit
1238 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1239 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1241 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1244 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1245 calls for -fpic -m31 if they have been sibcall optimized.
1247 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1249 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1250 ar.lc fixed and call-used.
1252 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1254 2010-04-19 Jan Hubicka <jh@suse.cz>
1256 * opts.c (decode_options): Disable whpr incompatible passes.
1257 * lto/lto.c (lto_1_to_1_map): Skip clones.
1258 (read_cgraph_and_symbols): Do not mark everything as needed.
1259 (do_whole_program_analysis): Do map only after optimizing;
1260 set proper cgraph_state; use passmanager.
1262 2010-04-19 DJ Delorie <dj@redhat.com>
1264 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1265 POINTER_PLUS_EXPR and fix them.
1267 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1269 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1270 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1271 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1272 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1273 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1274 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1275 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1276 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1277 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1278 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1279 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1281 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1283 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1284 (check_cond_move_block): Likewise.
1285 (cond_move_process_if_block): Likewise.
1286 (noce_find_if_block): Improve formatting.
1287 (find_if_header): Pass 0 to memset and tweak conditions.
1288 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1290 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1292 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1296 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1297 with non-local decl doesn't need chain.
1299 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1301 * ira-color.c (allocno_reload_assign): Avoid accumulating
1302 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1304 2010-04-19 Martin Jambor <mjambor@suse.cz>
1306 * gimple.h (create_tmp_reg): Declare.
1307 * gimplify.c (create_tmp_reg): New function.
1308 (gimplify_return_expr): Use create_tmp_reg.
1309 (gimplify_omp_atomic): Likewise.
1310 (gimple_regimplify_operands): Likewise.
1311 * tree-dfa.c (make_rename_temp): Likewise.
1312 * tree-predcom.c (predcom_tmp_var): Likewise.
1313 (reassociate_to_the_same_stmt): Likewise.
1314 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1315 (get_replaced_param_substitute): Likewise.
1316 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1317 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1318 * tree-ssa-pre.c (get_representative_for): Likewise.
1319 (create_expression_by_pieces): Likewise.
1320 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1321 (create_tailcall_accumulator): Likewise.
1323 2010-04-19 Martin Jambor <mjambor@suse.cz>
1325 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1327 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1329 2010-04-19 Richard Guenther <rguenther@suse.de>
1331 PR tree-optimization/43796
1332 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1333 from SCEV in the lattice.
1334 (vrp_visit_phi_node): Dump change.
1336 2010-04-19 Richard Guenther <rguenther@suse.de>
1338 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1339 * configure: Re-generated.
1341 2010-04-19 Richard Guenther <rguenther@suse.de>
1343 PR tree-optimization/43783
1344 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1345 constant ARRAY_REF operands two and three if possible.
1347 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1350 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1352 2010-04-19 Jie Zhang <jie@codesourcery.com>
1355 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1357 2010-04-19 Ira Rosen <irar@il.ibm.com>
1359 PR tree-optimization/37027
1360 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1361 and macro to access it.
1362 (vectorizable_reduction): Add argument.
1363 (vect_get_slp_defs): Likewise.
1364 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1365 statements for possible use in SLP.
1366 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1367 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1368 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1370 (vectorizable_reduction): Likewise.
1371 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1373 (vectorizable_type_demotion, vectorizable_type_promotion,
1374 vectorizable_store): Likewise.
1375 (vect_analyze_stmt): Update call to vectorizable_reduction.
1376 (vect_transform_stmt): Likewise.
1377 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1378 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1379 from different interleaving chains in same node.
1380 (vect_slp_rearrange_stmts): New function.
1381 (vect_supported_load_permutation_p): Allow load permutations for
1382 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1383 inside SLP nodes if necessary.
1384 (vect_analyze_slp_instance): Handle reductions.
1385 (vect_analyze_slp): Try to build SLP instances originating from groups
1387 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1388 (vect_get_constant_vectors): Create initial vectors for reductions
1389 according to reduction code. Add new argument.
1390 (vect_get_slp_defs): Add new argument, pass it to
1391 vect_get_constant_vectors.
1392 (vect_schedule_slp_instance): Remove SLP tree root statements.
1394 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1396 * tree.h (ENUM_IS_SCOPED): Define.
1397 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1398 for ENUM_IS_SCOPED enums.
1400 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1402 * fold-const.c (fold_comparison): Use ssizetype.
1403 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1404 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1405 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1406 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1408 * tree.h (initialize_sizetypes): Remove parameter.
1409 (build_common_tree_nodes): Remove second parameter.
1410 * stor-layout.c (initialize_sizetypes): Remove parameter.
1411 Always create an unsigned type.
1412 (set_sizetype): Assert that the passed type is unsigned and simplify.
1413 * tree.c (build_common_tree_nodes): Remove second parameter.
1414 Adjust call to initialize_sizetypes.
1415 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1416 build_common_tree_nodes.
1418 2010-04-18 Matthias Klose <doko@ubuntu.com>
1420 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1422 2010-04-18 Ira Rosen <irar@il.ibm.com>
1424 PR tree-optimization/43771
1425 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1426 load permutation doesn't have gaps.
1428 2010-04-18 Jan Hubicka <jh@suse.cz>
1430 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1431 (sse_prologue_save_insn expander): Use new pattern.
1432 (sse_prologue_save_insn1): New pattern and splitter.
1433 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1435 * i386.c (setup_incoming_varargs_64): Do not compute jump
1437 (ix86_gimplify_va_arg): Update alignment needed.
1438 (ix86_local_alignment): Do not align all local arrays to 128bit.
1440 2010-04-17 Jan Hubicka <jh@suse.cz>
1442 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1444 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1446 * arm.md (negdi2): Remove redundant code to force values into a
1449 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1451 * arm/bpabi.S: Add EABI alignment attributes to objects.
1452 * arm/bpabi-v6m.S: Likewise.
1453 * arm/crti.asm: Likewise.
1454 * arm/crtn.asm: Likewise.
1455 * arm/lib1funcs.asm: Likewise.
1456 * arm/libunwind.S: Likewise.
1458 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1460 * arm-protos.h (tune_params): New structure.
1461 * arm.c (current_tune): New variable.
1462 (arm_constant_limit): Delete.
1463 (struct processors): Add pointer to the tune parameters.
1464 (arm_slowmul_tune): New tuning option.
1465 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1466 (all_cores): Adjust to pick up the tuning model.
1467 (arm_constant_limit): New function.
1468 (arm_override_options): Select the appropriate tuning model. Delete
1469 initialization of arm_const_limit.
1470 (arm_split_constant): Use the new constant-limit model.
1471 (arm_rtx_costs): Pick up the current tuning model.
1472 * arm.md (is_strongarm, is_xscale): Delete.
1473 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1474 for Xscale variant architectures.
1475 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1477 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1479 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1481 (arm_rtx_costs_1): Remove unused variable extra_cost.
1482 (arm_unwind_emit_set): Use variable offset.
1483 (thumb1_output_casesi): Remove unused variable flags.
1485 2010-04-16 Jeff Law <law@redhat.com>
1487 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1488 needing assignment rather than doing a two-phase assignment. Remove
1489 unused variable 'm'.
1491 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1494 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1496 2010-04-16 Doug Kwan <dougkwan@google.com>
1498 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1499 (next_operand_entry_id): New static variable.
1500 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1501 (add_to_ops_vec): Assigned unique ID to operand entry.
1502 (struct oecount_s): New field ID.
1503 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1504 (undistribute_ops_list): Assign unique IDs to oecounts.
1505 (init_reassoc): reset next_operand_entry_id.
1507 2010-04-16 Doug Kwan <dougkwan@google.com>
1509 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1510 missing left parenthesis.
1512 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1514 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1515 *btdi_rex64 using SWI48 mode iterator.
1516 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1517 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1518 *jcc_btdi_mask_rex64.
1520 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1522 * double-int.h (tree_to_double_int): Convert to macro.
1523 * double-int.c (tree_to_double_int): Remove.
1525 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1528 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1529 with want_address 2 and in case a single element list might be
1530 possible, call it again with want_address 0.
1532 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1534 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1535 case 'W' print operands for HI mode.
1536 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1537 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1538 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1539 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1541 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1543 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1544 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1545 #xx:3 and #xx:4 mode.
1547 * config/h8300/h8300.md (inverted load with HImode dest): Add
1548 support for H8300SX.
1550 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1551 satisfy 'U' constraint.
1553 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1555 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1556 * configure: Regenerate.
1557 * config.in: Regenerate.
1558 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1561 2010-04-16 Richard Guenther <rguenther@suse.de>
1563 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1564 (struct tree_decl_common): ... here.
1565 (DECL_PT_UID): Adjust.
1566 (SET_DECL_PT_UID): Likewise.
1567 (DECL_PT_UID_SET_P): Likewise.
1569 2010-04-16 Richard Guenther <rguenther@suse.de>
1571 PR tree-optimization/43572
1572 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1573 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1574 * tree-flow.h (is_call_clobbered): Remove.
1575 * tree-flow-inline.h (is_call_clobbered): Likewise.
1576 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1577 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1578 (execute_return_slot_opt): Adjust.
1579 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1580 check for call clobbered vars here.
1581 (find_tail_calls): Move tailcall verification to the
1584 2010-04-16 Diego Novillo <dnovillo@google.com>
1586 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1588 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1591 * config/arm/arm.md (cbranchqi4): New pattern.
1592 * config/arm/predicates.md (const0_operand,
1593 cbranchqi4_comparison_operator): New predicates.
1595 2010-04-16 Richard Guenther <rguenther@suse.de>
1597 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1598 (dump_gimple_stmt): Likewise.
1600 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1602 * recog.h (struct recog_data): New field is_operator.
1603 (struct insn_operand_data): New field is_operator.
1604 * recog.c (extract_insn): Set recog_data.is_operator.
1605 * genoutput.c (output_operand_data): Emit code to set the
1607 * reload.c (find_reloads): Use it rather than testing for an
1608 empty constraint string.
1611 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1612 If the previous insn is a cbranchsi4_insn with the same arguments,
1613 omit the compare instruction.
1615 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1616 register, inputs must be low registers and we need a low register
1617 scratch. Handle alternative 2 like alternative 3.
1619 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1621 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1622 don't call get_addr on both. If one expression is a VALUE and
1623 the other a REG, check VALUE's locs if the REG isn't among them.
1625 2010-04-16 Christian Bruel <christian.bruel@st.com>
1627 * config/sh/sh.h (sh_frame_pointer_required): New function.
1628 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1629 (flag_omit_frame_pointer) Set.
1630 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1631 (rounded_frame_size): Adjust size with outgoing_args_size.
1632 (sh_set_return_address): Must return from stack pointer.
1633 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1634 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1635 (ACCUMULATE_OUTGOING_ARGS): Define.
1636 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1637 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1639 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1642 * config/sh/sh.c (sh_legitimize_reload_address): Use
1643 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1644 Remove a unneeded check for offset_base.
1646 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1648 * configure: Regenerated.
1650 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1652 * config/s390/s390.c (s390_call_save_register_used): Switch back
1653 to HARD_REGNO_NREGS.
1655 2010-04-15 Richard Guenther <rguenther@suse.de>
1657 * alias.c (alias_set_subset_of): Handle alias-set zero
1660 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1661 Julian Brown <julian@codesourcery.com>
1663 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1664 alternatives according to use of high and low regs.
1665 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1666 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1667 optimizing for size on Thumb-2.
1669 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1671 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1673 2010-04-15 Richard Guenther <rguenther@suse.de>
1675 * tree-ssa-structalias.c (struct variable_info): Add
1677 (new_var_info): Initialize it.
1678 (dump_constraints): Support printing last added constraints.
1679 (debug_constraints): Adjust.
1680 (dump_constraint_graph): Likewise.
1681 (make_heapvar_for): Check for NULL cfun.
1682 (get_function_part_constraint): New function.
1683 (get_fi_for_callee): Likewise.
1684 (find_func_aliases): Properly implement IPA PTA constraints.
1685 (process_ipa_clobber): New function.
1686 (find_func_clobbers): Likewise.
1687 (insert_into_field_list_sorted): Remove.
1688 (create_function_info_for): Properly allocate vars for IPA mode.
1689 Do not use insert_into_field_list_sorted.
1690 (create_variable_info_for): Properly generate constraints for
1691 global vars in IPA mode.
1692 (dump_solution_for_var): Always dump the solution.
1693 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1694 (find_what_var_points_to): Adjust.
1695 (pt_solution_set): Change.
1696 (pt_solution_ior_into): New function.
1697 (pt_solution_empty_p): Export.
1698 (pt_solution_includes_global): Adjust.
1699 (pt_solution_includes_1): Likewise.
1700 (pt_solutions_intersect_1): Likewise.
1701 (dump_sa_points_to_info): Check some invariants.
1702 (solve_constraints): Move constraint dumping ...
1703 (compute_points_to_sets): ... here.
1704 (ipa_pta_execute): ... and here.
1705 (compute_may_aliases): Do not re-compute points-to info
1706 locally if IPA info is available.
1707 (ipa_escaped_pt): New global var.
1708 (ipa_pta_execute): Properly implement IPA PTA.
1709 * tree-into-ssa.c (dump_decl_set): Support dumping
1710 decls not in referenced-vars.
1711 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1712 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1713 (dump_points_to_solution): Likewise.
1714 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1715 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1716 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1717 (copy_decl_to_var): Copy DECL_PT_UID.
1718 (copy_result_decl_to_var): Likewise.
1719 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1720 (copy_node_stat): Copy it.
1721 * tree.h (DECL_PT_UID): New macro.
1722 (SET_DECL_PT_UID): Likewise.
1723 (DECL_PT_UID_SET_P): Likewise.
1724 (struct tree_decl_minimal): Add pt_uid member.
1725 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1726 (pt_solution_empty_p): Declare.
1727 (pt_solution_set): Adjust.
1728 (ipa_escaped_pt): Declare.
1729 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1730 * gimple-pretty-print.c (pp_points_to_solution): New function.
1731 (dump_gimple_call): Dump call clobber/use information.
1732 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1733 * tree-pass.h (TDF_ALIAS): New dump option.
1734 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1735 * doc/invoke.texi (-fipa-pta): Update documentation.
1737 2010-04-15 Richard Guenther <rguenther@suse.de>
1739 * Makefile.in (OBJS-common): Add gimple-fold.o.
1740 (gimple-fold.o): New rule.
1741 * tree.h (maybe_fold_offset_to_reference,
1742 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1744 * gimple.h: ... here.
1745 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1746 may_propagate_address_into_dereference): Move prototypes ...
1747 * gimple.h: ... here.
1748 * tree-ssa-ccp.c (get_symbol_constant_value,
1749 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1750 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1751 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1752 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1753 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1754 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1755 gimplify_and_update_call_from_tree): Move ...
1756 * gimple-fold.c: ... here. New file.
1757 (ccp_fold_builtin): Rename to ...
1758 (gimple_fold_builtin): ... this.
1759 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1761 2010-04-15 Richard Guenther <rguenther@suse.de>
1763 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1764 fit_double_type, force_fit_type_double, add_double_with_sign,
1765 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1766 lrotate_double, rrotate_double, div_and_round_double): Move ...
1767 * double-int.c: ... here.
1768 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1769 add_double, neg_double, mul_double_with_sign, mul_double,
1770 lshift_double, rshift_double, lrotate_double, rrotate_double,
1771 div_and_round_double): Move prototypes ...
1772 * double-int.h: ... here.
1774 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1777 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1778 matching constraints to ensure inputs match the output.
1780 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1783 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1784 in an input-only operand.
1786 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1788 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1789 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1790 (double_int_negative_p): Convert to static inline function.
1791 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1792 (double_int_negative_p): Remove.
1793 * tree.h (lshift_double, rshift_double):
1794 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1795 * fold-const.c (fold_convert_const_int_from_real,
1796 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1797 (lshift_double): Change type of arith argument to bool.
1798 (rshift_double): Change type of arith argument to bool. Correct
1800 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1802 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1805 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1806 at the start and end of the then/else blocks, and omit them from the
1808 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1809 argument; all callers changed. Pass zero to old_insns_match_p instead.
1810 (flow_find_head_matching_sequence): New function.
1811 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1812 * basic-block.h (flow_find_cross_jump,
1813 flow_find_head_matching_sequence): Declare functions.
1815 2010-04-14 Jason Merrill <jason@redhat.com>
1818 * c-common.c (attribute_takes_identifier_p): New fn.
1819 * c-common.h: Declare it.
1821 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1823 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1825 (*udivmod<mode>4): Ditto.
1827 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1829 * config/i386/i386.md (maxmin_int): Rename code attribute from
1830 maxminiprefix and update all users.
1831 (maxmin_float): Ditto from maxminfprefix.
1832 (logic): Ditto from logicprefix.
1833 (absneg_mnemonic): Ditto from absnegprefix.
1834 * config/i386/mmx.md: Update all users of maxminiprefix,
1835 maxminfprefix and logicprefix for rename.
1836 * config/i386/sse.md: Ditto.
1837 * config/i386/sync.md (sync_<code><mode>): Update for
1840 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1843 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1844 warnings converted to errors.
1846 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1848 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1849 used insn_type variable.
1850 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1851 to avoid set-but-not-used warning.
1853 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1855 * df-core.c (df_ref_debug): Change format string placeholder
1857 * dwarf2asm.c (dw2_asm_output_data_raw,
1858 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1859 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1860 * dwarf2out.c (output_cfi, output_cfi_directive,
1861 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1862 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1864 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1865 * print-rtl.c (print_rtx): Ditto.
1867 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1870 * builtins.c (expand_builtin_pow_root): New function to expand pow
1871 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1872 series of sqrt and cbrt calls under -ffast-math.
1873 (expand_builtin_pow): Call it.
1875 2010-04-14 Michael Matz <matz@suse.de>
1877 PR tree-optimization/42963
1878 * tree-cfg.c (touched_switch_bbs): New static variable.
1879 (group_case_labels_stmt): New function broken out from ...
1880 (group_case_labels): ... here, use the above.
1881 (start_recording_case_labels): Allocate touched_switch_bbs.
1882 (end_recording_case_labels): Deallocate it, call
1883 group_case_labels_stmt.
1884 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1886 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1888 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1891 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1893 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1895 2010-04-13 Jan Hubicka <jh@suse.cz>
1897 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1898 of optimized out static functions.
1899 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1900 cost computation. Also sanity check for overflows.
1901 (update_caller_keys): Update cgraph_edge_badness call; properly
1902 update fibheap and sanity check that it is up to date.
1903 (add_new_edges_to_heap): Update cgraph_edge_badness.
1904 (cgraph_decide_inlining_of_small_function): Likewise;
1905 add sanity checking that badness in heap is up to date;
1906 improve dumping of reason; Update badness of calls to the
1907 offline copy of function currently inlined; dump badness
1908 of functions not inlined because of unit growth limits.
1910 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1913 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1914 because of sign-extension change when converting to sizetype here...
1915 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1917 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1918 the folding to constants. Remove redundant final conversion.
1919 (fold_binary) <associate>: Do not associate if the re-association of
1920 constants alone overflows.
1921 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1922 to the end of the list.
1923 (multiple_of_p) <COND_EXPR>: New case.
1925 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1927 * opt-functions.awk (opt_sanitized_name): New.
1929 * optc-gen.awk: Use it
1930 * opth-gen.awk: Use it.
1932 2010-04-13 Martin Jambor <mjambor@suse.cz>
1934 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1935 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1936 children. Call replace_uses_with_default_def_ssa_name to handle
1939 2010-04-13 Michael Matz <matz@suse.de>
1942 * builtins.c (expand_builtin_interclass_mathfn): Also create
1943 a register if the predicate doesn't match.
1945 2010-04-13 Diego Novillo <dnovillo@google.com>
1947 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1948 * c-pch.c: Include timevar.h.
1949 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1950 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1951 * ggc-common.c: Include timevar.h.
1952 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1953 * timevar.def (TV_PCH_SAVE): Define.
1954 (TV_PCH_CPP_SAVE): Define.
1955 (TV_PCH_PTR_REALLOC): Define.
1956 (TV_PCH_PTR_SORT): Define.
1957 (TV_PCH_RESTORE): Define.
1958 (TV_PCH_CPP_RESTORE): Define.
1960 2010-04-13 Michael Matz <matz@suse.de>
1962 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1964 (can_reassociate_p): New function.
1965 (break_up_subtract_bb, reassociate_bb): Use it.
1967 2010-04-13 Richard Guenther <rguenther@suse.de>
1970 * builtins.c (c_readstr): Fix assert.
1972 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1974 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1975 when generating cltd insn.
1977 (*ashl<mode>3_1): Remove special handling for register operand 2.
1978 (*ashlsi3_1_zext): Ditto.
1979 (*ashlhi3_1): Ditto.
1980 (*ashlhi3_1_lea): Ditto.
1981 (*ashlqi3_1): Ditto.
1982 (*ashlqi3_1_lea): Ditto.
1983 (*<shiftrt_insn><mode>3_1): Ditto.
1984 (*<shiftrt_insn>si3_1_zext): Ditto.
1985 (*<shiftrt_insn>qi3_1_slp): Ditto.
1986 (*<rotate_insn><mode>3_1): Ditto.
1987 (*<rotate_insn>si3_1_zext): Ditto.
1988 (*<rotate_insn>qi3_1_slp): Ditto.
1990 2010-04-13 Richard Guenther <rguenther@suse.de>
1992 * tree-ssa-structalias.c (callused_id): Remove.
1993 (call_stmt_vars): New.
1994 (get_call_vi): Likewise.
1995 (lookup_call_use_vi): Likewise.
1996 (lookup_call_clobber_vi): Likewise.
1997 (get_call_use_vi): Likewise.
1998 (get_call_clobber_vi): Likewise.
1999 (make_transitive_closure_constraints): Likewise.
2000 (handle_const_call): Adjust to do per-call call-used handling.
2001 (handle_pure_call): Likewise.
2002 (find_what_var_points_to): Remove general callused handling.
2003 (init_base_vars): Likewise.
2004 (init_alias_vars): Initialize call_stmt_vars.
2005 (compute_points_to_sets): Process call-used and call-clobbered
2006 vars for call statements.
2007 (delete_points_to_sets): Free call_stmt_vars.
2009 2010-04-13 Richard Guenther <rguenther@suse.de>
2011 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2012 Only add RW dependence for dependence distance zero.
2013 Adjust maximal vectorization factor according to dependences.
2014 Move alignment handling ...
2015 (vect_find_same_alignment_drs): ... here. New function.
2016 (vect_analyze_data_ref_dependences): Adjust.
2017 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2018 (vect_analyze_data_refs): Adjust minimal vectorization factor
2019 according to data references.
2020 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2021 dependences before determining the vectorization factor.
2022 Analyze alignment after determining the vectorization factor.
2023 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2024 dependences before alignment.
2025 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2027 (vect_analyze_data_refs): Likewise.
2028 (MAX_VECTORIZATION_FACTOR): New define.
2030 2010-04-13 Duncan Sands <baldrick@free.fr>
2032 * except.h (lang_eh_type_covers): Remove.
2033 * except.c (lang_eh_type_covers): Likewise.
2035 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2036 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2038 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2039 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2040 UNITS_PER_LONG where it is ABI relevant.
2041 (s390_return_addr_rtx): Likewise.
2042 (s390_back_chain_rtx): Likewise.
2043 (s390_frame_area): Likewise.
2044 (s390_frame_info): Likewise.
2045 (s390_initial_elimination_offset): Likewise.
2046 (save_gprs): Likewise.
2047 (s390_emit_prologue): Likewise.
2048 (s390_emit_epilogue): Likewise.
2049 (s390_function_arg_advance): Likewise.
2050 (s390_function_arg): Likewise.
2051 (s390_va_start): Likewise.
2052 (s390_gimplify_va_arg): Likewise.
2053 (s390_function_profiler): Likewise.
2054 (s390_optimize_prologue): Likewise.
2055 (s390_rtx_costs): Likewise.
2056 (s390_secondary_reload): Likewise.
2057 (s390_promote_function_mode): Likewise.
2058 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2059 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2060 registers available.
2061 (s390_unwind_word_mode): New function.
2062 (s390_function_value): Split 64 bit values into register pair if
2063 used as return value.
2064 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2065 function call parameters. Handle parallels.
2066 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2067 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2068 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2069 (s390_expand_setmem): Remove unused variable src_addr.
2070 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2071 deal with 64 bit registers.
2072 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2073 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2074 (UNITS_PER_LONG): New macro.
2075 * libjava/include/s390-signal.h: Define extended ucontext
2076 structure containing the upper halfs of the 64 bit registers.
2078 2010-04-13 Simon Baldwin <simonb@google.com>
2080 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2082 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2084 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2085 rvalue on the RHS if the LHS is of a non-renamable type.
2086 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2088 2010-04-13 Matthias Klose <doko@ubuntu.com>
2090 * gcc.c (cc1_options): Handle -iplugindir before processing
2091 the cc1 spec. Only add -iplugindir once.
2092 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2094 * common.opt (iplugindir): Remove `Separate' property, initialize.
2095 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2097 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2098 (distclean): Remove plugin dir.
2099 * doc/invoke.texi: Document -iplugindir.
2101 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2103 * doc/plugins.texi (Loading Plugins): Document short
2104 -fplugin=foo option.
2105 (Plugin API): Mention default_plugin_dir_name function.
2107 * gcc.c (find_file_spec_function): Add new declaration.
2108 (static_spec_func): Use it for "find-file".
2109 (find_file_spec_function): Add new function.
2110 (cc1_options): Add -iplugindir option if -fplugin* options found.
2112 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2114 * plugin.c (add_new_plugin): Updated comment, and handle short
2116 (default_plugin_dir_name): Added new function.
2118 * common.opt (iplugindir): New option to set the plugin directory.
2120 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2122 * config/i386/i386.md (any_rotate): New code iterator.
2123 (rotate_insn): New code attribute.
2125 (SWIM124): New mode iterator.
2126 (<rotate_insn>ti3): New expander.
2127 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2128 any_rotate code iterator.
2129 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2130 using any_rotate code iterator and SWIM124 mode iterator.
2131 (ix86_rotlti3): New insn_and_split pattern.
2132 (ix86_rotrti3): Ditto.
2133 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2134 ix86_rotl{di,ti}3 patterns.
2135 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2136 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2137 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2138 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2139 code iterator and SWI mode iterator.
2140 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2141 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2143 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2144 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2145 (bswap rotatert splitter): Add splitter.
2146 (bswap splitter): Macroize splitter using any_rotate code iterator.
2147 Add insn predicate to split only for TARGET_USE_XCHGB or when
2148 optimizing function for size.
2150 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2152 * config/pa/pa.c (emit_move_sequence): Remove use of
2153 deleted variable flag_argument_noalias.
2155 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2157 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2159 Add to unsupported targets list.
2160 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2161 sparc*-sun-solaris2.[567]* from target lists.
2162 * configure: Regenerate.
2163 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2165 Remove Solaris 7 patch references.
2166 (Specific, sparc-sun-solaris2.7): Removed.
2167 (sparc-sun-solaris2*): Update Solaris 7 example.
2168 (sparc64-*-solaris2*): Likewise.
2170 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2172 * config.build (alpha*-dec-osf4*): Remove.
2173 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2174 of obsolete configurations.
2175 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2177 * config/alpha/t-osf4: Renamed to ...
2178 * config/alpha/t-osf5: ... this.
2179 * config/alpha/osf.h: Renamed to ...
2180 * config/alpha/osf5.h: ... this.
2181 Merged old osf5.h contents.
2183 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2184 (EXTRA_SPECS): Removed.
2185 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2186 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2189 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2191 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2193 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2196 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2197 __thiscall convention.
2199 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2201 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2203 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2205 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2207 * function.c (assign_parms_initialize_all): Add unused attribute
2210 2010-04-12 Richard Guenther <rguenther@suse.de>
2212 * gsstruct.def (GSS_CALL): New.
2213 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2214 * gimple.h: Include tree-ssa-alias.h.
2215 (struct gimple_statement_call): New.
2216 (union gimple_statement_struct_d): Add gimple_call member.
2217 (gimple_call_reset_alias_info): Declare.
2218 (gimple_call_use_set): New function.
2219 (gimple_call_clobber_set): Likewise.
2220 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2221 * gimple.c (gimple_call_reset_alias_info): New function.
2222 (gimple_build_call_1): Call it.
2223 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2224 * tree-inline.c (remap_gimple_stmt): Likewise.
2225 (expand_call_inline): Remove callused handling.
2226 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2227 * tree-dfa.c (dump_variable): Likewise.
2228 * tree-parloops.c (parallelize_loops): Likewise.
2229 * tree-ssa.c (init_tree_ssa): Likewise.
2230 (delete_tree_ssa): Likewise.
2231 * tree-flow-inline.h (is_call_used): Remove.
2232 * tree-flow.h (struct gimple_df): Remove callused member.
2233 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2234 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2235 (ref_maybe_used_by_call_p_1): Simplify.
2236 (call_may_clobber_ref_p_1): Likewise.
2237 * tree-ssa-structalias.c (compute_points_to_sets): Set
2238 the call stmt used and clobbered sets.
2239 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2240 (find_tail_calls): Verify the tail call.
2242 2010-04-12 Richard Guenther <rguenther@suse.de>
2244 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2245 single-iteration always-inline inlining.
2246 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2247 (cgraph_decide_inlining): Do not handle always-inline specially.
2248 (try_inline): Remove always-inline cycle detection special case.
2249 Do not recurse on always-inlines.
2250 (cgraph_early_inlining): Do not iterate if not optimizing.
2251 (cgraph_gate_early_inlining): remove.
2252 (pass_early_inline): Run unconditionally.
2253 (gate_cgraph_decide_inlining): New function.
2254 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2255 not inlining or optimizing.
2256 (cgraph_decide_inlining_of_small_functions): Also consider
2257 always-inline functions.
2258 (cgraph_default_inline_p): Return true for nodes which should
2259 disregard inline limits.
2260 (estimate_function_body_sizes): Assume zero size and time for
2261 nodes which are marked as disregarding inline limits.
2262 (cgraph_decide_recursive_inlining): Do not perform recursive
2263 inlining on always-inline nodes.
2265 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2268 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2269 for exprs satisfying handled_component_p.
2271 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2273 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2274 non-constant aggregate elements.
2276 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2277 is a real initialization.
2279 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2282 * c-decl.c (start_function): Move forward check for nested function.
2284 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2286 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2287 * config/sh/sh.c: Include reload.h.
2288 (sh_legitimize_reload_address): New.
2289 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2290 sh_legitimize_reload_address.
2292 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2294 * config/sh/sh.md (*movqi_pop): New insn pattern.
2295 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2297 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2299 * config/i386/i386.md (any_shiftrt): New code iterator.
2300 (shiftrt_insn): New code attribute.
2302 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2303 using any_shiftrt code iterator.
2304 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2305 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2306 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2307 pattern from corresponding peephole2 patterns.
2308 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2309 using any_shiftrt code iterator.
2310 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2311 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2312 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2313 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2314 *{ashr,lshr}<mode>3_cmp_zext.
2315 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2317 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2319 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2321 (*lshr<mode>3_cconly): Ditto.
2323 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2325 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2326 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2327 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2328 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2330 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2331 from corresponding peephole2 patterns.
2332 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2333 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2334 and *lshrdi3_1_rex64 using SWI mode iterator.
2335 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2336 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2337 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2338 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2339 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2340 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2341 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2342 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2343 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2346 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2348 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2349 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2350 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2351 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2353 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2354 from corresponding peephole2 patterns.
2355 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2356 (ashrsi3_cvt): Rename from ashrsi3_31.
2357 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2358 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2359 and x86_64_shift_adj_3 using SWI48 mode iterator.
2360 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2361 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2362 and *ashrdi3_1_rex64 using SWI mode iterator.
2363 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2364 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2365 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2366 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2367 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2368 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2369 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2370 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2371 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2373 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2374 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2375 x86_shift<mode>_adj_3 expanders.
2377 2010-04-10 Wei Guozhi <carrot@google.com>
2380 * config/arm/arm.c (arm_pic_static_addr): New function.
2381 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2383 (arm_output_addr_const_extra): Output expression for new pattern.
2384 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2386 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2388 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2391 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2392 * web.c: Include "insn-config.h" and "recog.h".
2393 (union_match_dups): New function.
2394 (web_main): Call it.
2395 (union_defs): Don't try to recognize match_dups.
2397 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2398 if doing so would replace the entire pattern.
2400 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2404 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2405 and splitter pattern. Change splitter operand 1 predicate to
2408 2010-04-09 Martin Jambor <mjambor@suse.cz>
2410 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2411 lattices are addresses of CONST_DECLs with the same initial value.
2412 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2413 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2415 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2416 Bernd Schmidt <bernds@codesourcery.com>
2418 * loop-invariant.c (replace_uses): New static function.
2419 (move_invariant_reg): Use it to ensure we can replace the uses.
2421 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2423 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2425 (picochip_override_options): Enable section anchors only above -O1.
2426 (picochip_reorg): Fixed a couple of build warnings.
2428 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2430 * configure.ac (plugin -rdynamic test): Log result.
2431 * configure: Regenerate.
2432 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2433 (RDYNAMIC_SPEC): Define.
2434 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2436 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2438 * configure.ac: Determine Sun ld version numbers.
2439 (comdat_group): Restrict GNU ld version checks to gld.
2440 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2441 (enable_comdat): Support --enable-comdat.
2442 * configure: Regenerate.
2443 * doc/install.texi (Configuration): Document --enable-comdat.
2445 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2447 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2448 * config/sol2-gld.h: ... here.
2449 * config.gcc (sparc*-*-solaris2*): Reflect this.
2450 (i[34567]86-*-solaris2*): Use it.
2452 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2454 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2456 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2458 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2461 * diagnostic.c (diagnostic_initialize): Initialize
2462 some_warnings_are_errors.
2463 (diagnostic_finish): New.
2464 (diagnostic_action_after_output): Call it before exiting.
2465 (diagnostic_report_diagnostic): Do not print message here. Set
2466 some_warnings_are_errors.
2467 * diagnostic.h (diagnostic_context): Delete
2468 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2469 (diagnostic_finish): Declare.
2470 * toplev.c (toplev_main): Call it before exit.
2472 2010-04-09 Jason Merrill <jason@redhat.com>
2475 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2476 for incomplete type.
2479 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2480 based on a warning flag.
2482 2010-04-09 Richard Guenther <rguenther@suse.de>
2484 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2486 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2489 * varasm.c (default_assemble_visibility): Wrap vars that are
2490 set, but unused, by targets without GAS.
2491 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2492 Remove set, but unused, vars.
2493 (rs6000_legitimize_tls_address): Likewise.
2494 (altivec_expand_dst_builtin): Likewise.
2495 * config/darwin.c (machopic_classify_symbol): Likewise.
2496 (machopic_indirection_name): Likewise.
2498 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2500 * config/i386/i386.md (DWI): New mode iterator.
2501 (S): New mode attribute.
2502 (shift_operand): Ditto.
2503 (shift_immediate_operand): Ditto.
2504 (ashl_input_operand): Ditto.
2505 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2506 using SDWIM mode iterator.
2507 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2508 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2510 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2511 from corresponding peephole2 patterns.
2512 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2513 and x86_64_shift_adj_1 using SWI48 mode iterator.
2514 (x86_shift<mode>_adj_2): Ditto.
2515 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2516 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2517 using SWI48 mode iterator.
2518 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2519 *ashldi3_cmp_rex64 using SWI mode iterator.
2520 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2521 *ashldi3_cconly_rex64 using SWI mode iterator.
2522 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2523 x86_shift<mode>_adj_{1,2}.
2524 (ix86_split_ashr): Ditto.
2525 (ix86_split_lshr): Ditto.
2527 2010-04-09 Richard Guenther <rguenther@suse.de>
2529 * target.h (builtin_conversion): Pass in input and output types.
2530 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2531 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2532 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2533 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2535 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2537 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2539 2010-04-09 Richard Guenther <rguenther@suse.de>
2542 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2544 2010-04-09 Richard Guenther <rguenther@suse.de>
2546 * tree-vectorizer.h (struct _stmt_vec_info): Document
2547 that vectype is the type of the LHS.
2548 (supportable_widening_operation, supportable_narrowing_operation):
2549 Get both input and output vector types as arguments.
2550 (vect_is_simple_use_1): Declare.
2551 (get_same_sized_vectype): Likewise.
2552 * tree-vect-loop.c (vect_determine_vectorization_factor):
2553 Set STMT_VINFO_VECTYPE to the vector type of the def.
2554 (vectorizable_reduction): Adjust.
2555 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2556 Adjust. Specify the output vector type.
2557 (vect_pattern_recog_1): Adjust.
2558 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2559 (vectorizable_call): Adjust.
2560 (vectorizable_conversion): Likewise.
2561 (vectorizable_operation): Likewise.
2562 (vectorizable_type_demotion): Likewise.
2563 (vectorizable_type_promotion): Likewise.
2564 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2566 (vect_is_simple_use_1): New function.
2567 (supportable_widening_operation): Get both input and output
2569 (supportable_narrowing_operation): Likewise.
2570 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2572 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2574 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2575 __thiscall and _thiscall as predefined macros.
2576 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2577 thiscall attribute handling.
2578 (ix86_comp_type_attributes): Likewise.
2579 (ix86_function_regparm): Likewise.
2580 (ix86_return_pops_args): Likewise.
2581 (init_cumulative_args): Likewise.
2582 (find_drap_reg): Likewise.
2583 (ix86_static_chain): Likewise.
2584 (x86_this_parameter): Likewise.
2585 (x86_output_mi_thunk): Likewise.
2586 (ix86_attribute_table): Add description for thiscall attribute.
2587 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2588 * doc/extend.texi: Add documentation for thiscall.
2590 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2593 * c.opt (Wint-to-pointer-cast): Available in C++.
2594 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2596 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2598 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2599 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2600 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2601 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2602 function type instead. Reorder and simplify checks.
2604 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2606 2010-04-08 Jing Yu <jingyu@google.com>
2607 Zdenek Dvorak <ook@ucw.cz>
2609 PR tree-optimization/42720
2610 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2611 loop unswitch conditions here from ...
2612 (tree_unswitch_single_loop): ... here.
2614 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2616 * tree-if-conv.c: Fix comments and simplify logic.
2618 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2620 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2621 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2622 (main_tree_if_conversion): Update call to tree_if_conversion.
2624 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2627 * doc/invoke.texi (-b,-V): Delete.
2628 * doc/tm.texi: Do not mention -b.
2629 * gcc.c (display_help): Delete -b and -V.
2630 (process_command): Delete -b and -V.
2631 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2633 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2634 Wolfgang Gellerich <gellerich@de.ibm.com>
2636 Implement target hook for loop unrolling
2637 * target.h (loop_unroll_adjust): Add a new target hook function.
2638 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2639 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2640 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2641 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2642 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2644 (decide_unroll_stupid): Likewise.
2646 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2649 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2651 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2653 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2654 (Specific, *-*-solaris2*): Likewise.
2655 Don't prefer Sun as over GNU as.
2657 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2659 * config/s390/s390.c (override_options): Adjust the z10
2660 defaults for max-unroll-times, max-completely-peeled-insns
2661 and max-completely-peel-times.
2663 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2665 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2666 instructions for z10.
2667 (s390_expand_setmem): Likewise.
2668 (s390_expand_cmpmem): Likewise.
2670 2010-04-08 Richard Guenther <rguenther@suse.de>
2672 PR tree-optimization/43679
2673 * tree-ssa-pre.c (eliminate): Only propagate copies.
2675 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2678 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2679 set but not used variable warning.
2681 2010-04-08 Wei Guozhi <carrot@google.com>
2684 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2685 (arm_size_rtx_costs): Call the new function when optimized for size.
2687 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2690 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2691 op0 is not a MEM, just return NULL instead of assertion
2693 (discover_nonconstant_array_refs): Don't walk debug stmts.
2695 2010-04-08 Doug Kwan <dougkwan@google.com>
2697 * configure.ac: Recognize gold and do not use its version number
2698 to test ld features.
2699 * configure: Regenerate.
2701 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2704 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2705 (negate_value): Move code to push elements to broken_up_substracts ...
2706 (eliminate_plus_minus_pair): ... here. Push operands that have no
2707 negative pair to plus_negates.
2708 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2710 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2712 * doc/install.texi (Configuration): Move description of
2713 --enable-lto, --with-libelf*, --enable-gold from Java section to
2716 * doc/generic.texi (Working with declarations)
2717 (Function Properties, C and C++ Trees): Fix typos.
2718 * doc/sourcebuild.texi (Top Level): Likewise.
2720 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2723 * tree.h (DECL_READ_P): Define.
2724 (struct tree_decl_common): Add decl_read_flag.
2725 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2726 a set but not used warning.
2727 (merge_decls): Merge DECL_READ_P flag.
2728 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2729 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2730 * c-common.c (handle_used_attribute, handle_unused_attribute):
2732 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2734 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2736 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2737 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2738 c_parser_binary_expression, c_parser_cast_expression,
2739 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2740 Call default_function_array_read_conversion instead of
2741 default_function_array_conversion where needed.
2742 (c_parser_unary_expression, c_parser_conditional_expression,
2743 c_parser_postfix_expression_after_primary, c_parser_initelt):
2744 Likewise. Call mark_exp_read where needed.
2745 (c_parser_statement_after_labels, c_parser_asm_operands,
2746 c_parser_typeof_specifier, c_parser_sizeof_expression,
2747 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2749 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2751 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2752 (warn_unused_but_set_parameter): Default to warn_unused
2754 * doc/invoke.texi: Document -Wunused-but-set-variable and
2755 -Wunused-but-set-parameter.
2757 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2758 used count variable.
2759 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2760 when operandN variables aren't used in the body of the expander
2762 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2763 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2764 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2765 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2766 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2767 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2768 * tree.c (PROCESS_ARG): Likewise.
2770 2010-04-07 Simon Baldwin <simonb@google.com>
2772 * diagnostic.h (diagnostic_override_option_index): New macro to
2773 set a diagnostic's option_index.
2774 * c-tree.h (c_cpp_error): Add warning reason argument.
2775 * opts.c (_warning_as_error_callback): New.
2776 (register_warning_as_error_callback): Store callback for
2777 warnings enabled via enable_warning_as_error.
2778 (enable_warning_as_error): Call callback, minor code tidy.
2779 * opts.h (register_warning_as_error_callback): Declare.
2780 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2781 response to -Werror=.
2782 (c_common_init_options): Register warning_as_error_callback in opts.c.
2783 * common.opt: Add -Wno-cpp option.
2784 * c-common.c (struct reason_option_codes_t): Map cpp warning
2785 reason codes to gcc option indexes.
2786 * (c_option_controlling_cpp_error): New function, lookup the gcc
2787 option index for a cpp warning reason code.
2788 * (c_cpp_error): Add warning reason argument, call
2789 c_option_controlling_cpp_error for diagnostic_override_option_index.
2790 * doc/invoke.texi: Document -Wno-cpp.
2792 2010-04-07 Richard Guenther <rguenther@suse.de>
2794 * ipa-reference.c (mark_load): Use get_base_address.
2795 (mark_store): Likewise.
2797 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2798 inserting GIMPLE_NOPs into the IL.
2799 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2800 Explicitly strip handled components and indirect references.
2802 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2803 folding address expressions.
2804 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2805 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2806 operand_equal_p to compare decls.
2807 (ptr_deref_may_alias_decl_p): Likewise.
2808 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2809 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2810 Handle reversed comparison ops.
2811 * tree-sra.c (asm_visit_addr): Use get_base_address.
2812 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2813 * ipa-reference.c (mark_address): Use get_base_address.
2815 2010-04-07 Richard Guenther <rguenther@suse.de>
2817 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2818 Propagate constants everywhere.
2820 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2823 * tree.c (MAX_INT_CACHED_PREC): Define.
2824 (nonstandard_integer_type_cache): New array.
2825 (build_nonstandard_integer_type): Cache results for precision
2826 <= MAX_INT_CACHED_PREC.
2828 2010-04-07 Richard Guenther <rguenther@suse.de>
2830 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2831 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2832 * common.opt: Likewise.
2833 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2834 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2835 (nonoverlapping_memrefs_p): Likewise.
2836 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2837 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2838 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2839 OPT_fargument_noalias_global for backward compatibility.
2841 2010-04-07 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/43270
2844 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2845 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2846 * tree-ssa-pre.c (phi_translate_1): Adjust.
2847 (fully_constant_expression): Split out vn_reference handling to ...
2848 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2849 Fold reads from constant strings.
2850 (vn_reference_lookup): Handle fully constant references.
2851 (vn_reference_lookup_pieces): Likewise.
2852 * Makefile.in (expmed.o-warn): Add -Wno-error.
2854 2010-04-07 Martin Jambor <mjambor@suse.cz>
2856 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2858 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2861 * gcc.c: Add -static-libstdc++ to list of recognized options.
2863 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2865 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2867 2010-04-07 Richard Guenther <rguenther@suse.de>
2870 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2871 bases build simple mem attributes to retain points-to information.
2873 2010-04-07 Richard Guenther <rguenther@suse.de>
2876 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2877 preserve points-to related information.
2879 2010-04-07 Richard Guenther <rguenther@suse.de>
2882 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2883 discard plain indirect references.
2884 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2885 * tree.c (tree_nop_conversion): Likewise.
2887 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2890 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2892 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2894 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2895 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2897 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2899 * tree-if-conv.c: Fix indentation and comments.
2901 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2903 * tree-if-conv.c: Sort static functions in topological order.
2905 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2907 * tree-if-conv.c: Fix indentation and comments.
2909 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2912 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2913 lang_hooks.types.type_for_size instead of
2914 build_nonstandard_integer_type.
2915 When converting an unsigned type to signed, double its precision.
2916 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2917 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2918 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2921 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2924 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2925 POINTER_PLUS_EXPR for pointer types.
2927 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2930 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2931 * graphite-clast-to-gimple.c: Include langhooks.h.
2932 (max_signed_precision_type): New.
2933 (max_precision_type): Takes two types as arguments.
2934 (precision_for_value): New.
2935 (precision_for_interval): New.
2936 (gcc_type_for_interval): New.
2937 (gcc_type_for_value): New.
2938 (gcc_type_for_clast_term): New.
2939 (gcc_type_for_clast_red): New.
2940 (gcc_type_for_clast_bin): New.
2941 (gcc_type_for_clast_expr): Split up into several functions.
2942 (gcc_type_for_clast_eq): Rewritten.
2943 (compute_bounds_for_level): New.
2944 (compute_type_for_level_1): New.
2945 (compute_type_for_level): New.
2946 (gcc_type_for_cloog_iv): Removed.
2947 (gcc_type_for_iv_of_clast_loop): Rewritten.
2948 (graphite_create_new_loop): Compute the lower and upper bound types
2949 with gcc_type_for_clast_expr.
2950 (graphite_create_new_loop_guard): Same.
2951 (find_cloog_iv_in_expr): Removed.
2952 (compute_cloog_iv_types_1): Removed.
2953 (compute_cloog_iv_types): Removed.
2954 (gloog): Do not call compute_cloog_iv_types.
2955 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2957 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2958 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2959 (GBB_CLOOG_IV_TYPES): Removed.
2961 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2963 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2964 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2965 (detect_commutative_reduction): Same.
2967 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2969 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2970 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2972 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2973 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2974 (rewrite_commutative_reductions_out_of_ssa): Same.
2975 * passes.c (execute_function_todo): Call verify_ssa for every pass
2976 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2977 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2978 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2979 with an extra argument.
2980 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2981 verify_ssa only when the extra argument is true.
2982 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2983 with an extra argument.
2984 (tree_transform_and_unroll_loop): Same.
2986 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2988 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2989 for all the passes of the LNO having LOOP_CLOSED_SSA.
2990 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2991 * tree-loop-distribution.c (pass_loop_distribution): Same.
2992 * tree-pass.h (TODO_verify_loops): Removed.
2993 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2995 (pass_tree_unswitch): Same.
2996 (pass_predcom): Same.
2997 (pass_vectorize): Same.
2998 (pass_linear_transform): Same.
2999 (pass_graphite_transforms): Same.
3000 (pass_iv_canon): Same.
3001 (pass_complete_unroll): Same.
3002 (pass_complete_unrolli): Same.
3003 (pass_parallelize_loops): Same.
3004 (pass_loop_prefetch): Same.
3005 (pass_iv_optimize): Same.
3007 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3010 * passes.c (init_optimization_passes): Move pass_lim before
3011 pass_copy_prop and pass_dce_loop.
3013 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3016 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3017 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3018 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3019 MULTI_* defines for 4 argument vpermil2p* builtins.
3021 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3023 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3024 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3025 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3026 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3027 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3028 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3029 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3030 Use x86_maybe_negate_const_int to output insn mnemonic.
3031 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3032 check from instruction predicate. Update comments.
3033 * config/i386/sync.md (sync_add<mode>): Use
3034 x86_maybe_negate_const_int to output insn mnemonic.
3036 2010-04-06 Jan Hubicka <jh@suse.cz>
3038 PR tree-optimization/42906
3039 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3040 IGNORE_SELF argument. Set visited_control_parents for fully
3042 (find_obviously_necessary_stmts): Update call of
3043 mark_control_dependent_edges_necessary.
3044 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3046 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3048 * config/i386/i386.md: Remove comment about 'e' and 'E'
3051 2010-04-06 Richard Guenther <rguenther@suse.de>
3053 PR tree-optimization/43627
3054 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3055 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3058 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3060 * BASE-VER: Change to 4.6.0.
3063 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3066 2010-04-06 Richard Guenther <rguenther@suse.de>
3069 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3071 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3073 * doc/invoke.texi (Optimize Options): Document that LTO
3074 won't remove object access purely due to incompatible
3077 2010-04-04 Matthias Klose <doko@ubuntu.com>
3079 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3080 Initialize variable.
3082 2010-04-03 Richard Guenther <rguenther@suse.de>
3085 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3086 require a non-NULL MEM_OFFSET.
3088 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3090 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3091 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3092 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3093 config/alpha/predicates.md, config/arm/arm.md,
3094 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3095 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3096 config/darwin9.h, config/darwin.c, config/darwin.h,
3097 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3098 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3099 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3100 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3101 config/mips/mips.md, config/mn10300/mn10300.c,
3102 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3103 config/rs6000/aix.h, config/rs6000/dfp.md,
3104 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3105 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3106 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3107 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3108 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3109 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3110 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3111 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3112 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3113 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3114 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3115 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3116 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3117 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3118 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3119 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3120 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3121 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3122 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3123 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3124 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3125 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3126 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3127 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3128 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3129 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3130 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3131 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3132 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3133 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3134 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3135 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3136 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3137 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3138 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3139 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3141 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3144 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3145 * aclocal.m4: Regenerate.
3147 2010-04-02 Richard Guenther <rguenther@suse.de>
3149 PR tree-optimization/43629
3150 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3151 if we have seen a constant value.
3153 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3155 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3157 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3160 * arm.c (legitimize_tls_address): Adjust call to
3161 gen_tls_load_dot_plus_four.
3162 (arm_note_pic_base): New function.
3163 (arm_cannot_copy_insn_p): Use it.
3164 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3167 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3172 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3174 * Makefile.in ($(out_object_file)): Depend on
3175 gt-$(basename $(notdir $(out_file))).h.
3177 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3179 * config.gcc (lm32-*-rtems*): Add t-lm32.
3181 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3183 * config.gcc: Add lm32-*-rtems*.
3184 * config/lm32/rtems.h: New file.
3186 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3189 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3191 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3193 * dwarf2out.c (output_compilation_unit_header): For
3194 -gdwarf-4 use version 4 instead of version 3.
3195 (output_line_info): For version 4 and above emit additional
3196 maximum ops per insn header field.
3197 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3199 * dwarf2out.c (is_c_family, is_java): Remove.
3200 (lower_bound_default): New function.
3201 (add_bound_info, gen_descr_array_type_die): Use it.
3203 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3206 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3207 re-declaration when it happens in a function.
3209 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3211 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3212 (cgraph_remove_function_insertion_hook): Same.
3213 (cgraph_call_function_insertion_hooks): Same.
3215 2010-04-01 Richard Guenther <rguenther@suse.de>
3218 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3219 and TREE_THIS_VOLATILE.
3220 (copy_ref_info): Likewise.
3221 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3222 * tree.c (build6_stat): Ignore side-effects of all but arg5
3223 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3226 2010-04-01 Richard Guenther <rguenther@suse.de>
3228 PR tree-optimization/43607
3229 * ipa-type-escape.c (check_call): Do not access non-existing
3232 2010-04-01 Richard Guenther <rguenther@suse.de>
3236 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3237 Jack Howarth <howarth@bromo.med.uc.edu>
3239 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3242 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3244 * doc/install.texi (Prerequisites): Document libelf usability on
3245 IRIX 5/6 and Solaris 2.
3246 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3247 Update GNU as, GNU ld requirements.
3248 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3249 Document Sun Studio compiler download.
3250 Update and simplify as, ld recommendations.
3251 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3253 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3255 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3256 with_tune_32 to pentium4.
3258 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3260 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3262 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3264 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3265 obsoletion, removal.
3267 Document GNU as requirement.
3268 Update configure requirements.
3269 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3270 Recomment IRIX 6.5.18+.
3271 Document IDF/IDL requirement.
3272 Document GNU as requirement.
3273 Document GNU ld bootstrap failure.
3274 Remove freeware.sgi.com reference.
3276 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3278 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3279 UNIX V4.0, V5.0 obsoletion, removal.
3280 Remove --with-gc=simple reference.
3281 Update VM requirements during bootstrap.
3282 Remove -oldas bootstrap description.
3283 Update binutils reference.
3284 Remove comparison failure note.
3286 2010-03-31 Richard Guenther <rguenther@suse.de>
3287 Zdenek Dvorak <ook@ucw.cz>
3288 Sebastian Pop <sebastian.pop@amd.com>
3291 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3292 with multiple arguments.
3293 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3295 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3297 * graphite-dependences.c (print_pddr): Call print_pdr with an
3299 * graphite-poly.c (debug_pdr): Add an extra argument for the
3302 (print_pbb_domain): Same.
3304 (print_scop_context): Same.
3306 (print_cloog): Same.
3307 (debug_pbb_domain): Same.
3311 (debug_scop_context): Same.
3313 (debug_cloog): Same.
3314 (print_scop_params): Same.
3315 (debug_scop_params): Same.
3316 (print_iteration_domain): Same.
3317 (print_iteration_domains): Same.
3318 (debug_iteration_domain): Same.
3319 (debug_iteration_domains): Same.
3320 (print_scattering_function): Same.
3321 (print_scattering_functions): Same.
3322 (debug_scattering_function): Same.
3323 (debug_scattering_functions): Same.
3324 * graphite-poly.h (debug_pdr): Update declaration.
3326 (print_pbb_domain): Same.
3328 (print_scop_context): Same.
3330 (print_cloog): Same.
3331 (debug_pbb_domain): Same.
3335 (debug_scop_context): Same.
3337 (debug_cloog): Same.
3338 (print_scop_params): Same.
3339 (debug_scop_params): Same.
3340 (print_iteration_domain): Same.
3341 (print_iteration_domains): Same.
3342 (debug_iteration_domain): Same.
3343 (debug_iteration_domains): Same.
3344 (print_scattering_function): Same.
3345 (print_scattering_functions): Same.
3346 (debug_scattering_function): Same.
3347 (debug_scattering_functions): Same.
3349 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3351 * graphite-poly.c (print_scattering_function_1): New.
3352 (print_scattering_function): Call it.
3353 (print_scop_params): Remove spaces at the end of lines.
3356 * graphite-poly.h (print_cloog): Declared.
3357 (debug_cloog): Declared.
3359 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3361 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3363 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3364 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3365 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3366 to switch between adding the IV bump in loop->latch or in loop->header.
3368 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3370 * graphite-poly.c (print_scattering_function): Pretty print following
3373 (print_pbb_domain): Same.
3374 (dump_gbb_cases): Same.
3375 (dump_gbb_conditions): Same.
3378 (print_scop_params): Same.
3379 (print_scop_context): Same.
3381 (print_pbb_body): New.
3382 (lst_indent_to): New.
3383 (print_lst): Start new lines with a #.
3384 * graphite-poly.h (pbb_bb): New.
3385 (pbb_index): Use pbb_bb.
3386 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3388 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3390 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3392 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3393 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3394 and 0 instead of 1 for dw_val_class_flag.
3395 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3396 dw_val_class_range_list, dw_val_class_loc_list,
3397 dw_val_class_lineptr and dw_val_class_macptr, use
3398 DW_FORM_flag_present for dw_val_class_flag and
3399 DW_FORM_exprloc for dw_val_class_loc.
3400 (output_die): For -gdwarf-4 print dw_val_class_loc
3401 size as uleb128 instead of 1 or 2 bytes and don't print
3402 anything for dw_val_class_flag.
3404 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3405 instead of cselib_lookup following by tweaking locs->setting_insn.
3408 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3409 even before returning from label, setjmp call or volatile asm
3412 2010-03-31 Richard Guenther <rguenther@suse.de>
3415 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3416 temporary data on stack.
3418 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3420 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3421 (PUSHSECTION_ASM_OP): Remove.
3422 (POPSECTION_ASM_OP): Remove.
3423 (PUSHSECTION_FORMAT): Remove.
3424 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3425 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3426 * config/sol2.c (solaris_output_init_fini): Use it.
3428 2010-03-31 Jie Zhang <jie@codesourcery.com>
3431 * opt-functions.awk (var_type_struct): Use signed char type
3432 for simple variables.
3434 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3436 * config/sol2.c: Include output.h.
3437 (solaris_assemble_visibility): New function.
3438 * config/t-sol2 (sol2.o): Add output.h dependency.
3439 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3440 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3443 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3446 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3447 V2SImode or XFmode on PRE_DEC.
3450 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3453 2010-03-31 Jie Zhang <jie@codesourcery.com>
3456 * reload.h (caller_save_initialized_p): Declare.
3457 * toplev.c (backend_init_target): Don't call
3458 init_caller_save but set caller_save_initialized_p to false.
3459 * caller-save.c (caller_save_initialized_p): Define.
3460 (init_caller_save): Check caller_save_initialized_p.
3461 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3463 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3466 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3467 and soft-fp/t-softfp to tmake_file.
3468 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3469 (LIBGCC2_TF_CEXT): Define.
3472 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3475 * cselib.c (n_useless_values): Document handling of debug locs.
3476 (n_useless_debug_values, n_debug_values): New variables.
3477 (new_elt_loc_list): Don't add to debug values, keep count.
3478 (promote_debug_loc): New.
3479 (cselib_reset_table): Zero new variables.
3480 (entry_and_rtx_equal_p): Promote debug locs.
3481 (discard_useless_locs): Increment n_useless_debug_values for
3483 (remove_useless_values): Adjust n_useless_values and n_debug_values
3484 with n_useless_debug_values.
3485 (add_mem_for_addr): Promote debug locs.
3486 (cselib_lookup_mem): Likewise.
3487 (cselib_lookup_addr): Renamed to...
3488 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3489 (cselib_log_lookup): ... this. Turn into...
3490 (cselib_lookup_addr): ... new wrapper.
3491 (cselib_lookup_from_insn): New.
3492 (cselib_invalidate_regno): Increment n_useless_debug_values for
3494 (cselib_invalidate_mem): Likewise.
3495 (cselib_process_insn): Take n_deleted and n_debug_values into
3496 account to guard remove_useless_value call.
3497 (cselib_finish): Zero n_useless_debug_values.
3498 * cselib.h (cselib_lookup_from_insn): Declare.
3499 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3500 (sched_analyze_2): Likewise.
3502 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3504 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3506 (adjust_mems): Replace narrowing SUBREG of expression containing
3507 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3508 with operations in the narrower mode.
3511 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3512 regs_invalidated_by_call instead all call_used_reg_set registers.
3514 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3517 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3518 pointer comparisons with types_compatible_p.
3519 * tree-vect-stmts.c (vectorizable_call): Same.
3520 (vectorizable_condition): Same.
3522 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3524 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3525 stack check if the mask would be zero.
3527 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3528 Jack Howarth <howarth@bromo.med.uc.edu>
3530 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3533 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3536 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3538 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3539 Include ___unordxf2 and ___unordtf2.
3540 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3543 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3545 * config/lm32/t-lm32: New file.
3546 * config.gcc: Use the above file when targetting lm32.
3548 2010-03-28 Duncan Sands <baldrick@free.fr>
3550 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3552 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3555 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3556 Improve vectorization cost model diagnostic.
3558 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3561 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3562 compute_data_dependences_for_loop returns false, early exit
3563 and output an extra diagnostic for the failed data reference
3566 2010-03-29 Richard Guenther <rguenther@suse.de>
3568 PR tree-optimization/43560
3569 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3570 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3572 2010-03-29 Jie Zhang <jie@codesourcery.com>
3575 * toplev.c (process_options): Set optimization_default_node
3576 and optimization_current_node.
3577 * opts.c (decode_options): Don't set optimization_default_node
3578 and optimization_current_node.
3580 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3582 * config/rtems.h: Abandon -qrtems_debug.
3584 2010-03-28 Jan Hubicka <jh@suse.cz>
3586 PR tree-optimization/43505
3587 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3588 map should not be copied.
3590 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3593 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3594 cdtors, set DECL_PRESERVE_P.
3595 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3598 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3600 PR tree-optimization/43528
3601 * stor-layout.c (place_field): Check that constant fits into
3602 unsigned HWI when skipping calculation of MS bitfield layout.
3604 2010-03-27 Jan Hubicka <jh@suse.cz>
3607 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3608 notice_global_symbol work.
3610 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3612 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3613 instead of dwarf2out_decl.
3614 (struct var_loc_node): Remove section_label field.
3615 (dwarf2out_function_decl): New function.
3616 (dwarf2out_var_location): Don't set section_label field.
3617 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3619 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3621 PR tree-optimization/43544
3622 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3623 First argument for builtin vectorized function hook is now a
3624 tree to be able to distinguish between machine specific and
3626 * targhooks.c (default_builtin_vectorized_function): Ditto.
3627 * targhooks.h (default_builtin_vectorized_function): Ditto.
3628 * target.h (struct gcc_target): Ditto.
3629 * tree-vect-stmts.c (vectorizable_function): Ditto.
3630 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3631 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3634 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3637 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3638 nested binding iff it is a FUNCTION_DECL.
3639 (store_parm_decls_newstyle): Pass nested=true to bind for
3640 FUNCTION_DECLs amongst parameters.
3642 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3644 * var-tracking.c (vt_expand_loc_callback): Don't run
3645 cselib_expand_value_rtx_cb in dummy mode if
3646 cselib_dummy_expand_value_rtx_cb returned false.
3648 * var-tracking.c (emit_note_insn_var_location): For one part
3649 notes with offset 0, don't add EXPR_LIST around the location.
3650 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3651 add_location_or_const_value_attribute): Adjust for that change.
3654 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3655 into first operand and location into second.
3656 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3657 dw_cfi_oprnd_loc for DW_CFA_expression.
3658 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3659 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3660 assume first argument is regnum and second argument is location.
3662 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3665 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3666 of scratch register to DImode. Split to DImode comparison operator.
3667 Use SImode subreg of scratch register in the multiplication.
3668 (*cmp_sadd_sidi): Ditto.
3669 (*cmp_ssub_si): Ditto.
3670 (*cmp_ssub_sidi): Ditto.
3672 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3675 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3676 Remove invalid assert and wrong comment.
3678 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3681 * flags.h (final_insns_dump_p): New extern.
3682 * final.c (final_insns_dump_p): New variable.
3683 (rest_of_clean_state): Set it before -fdump-final-insns=
3684 dumping, clear afterwards.
3685 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3686 MEM_ALIAS_SET on MEMs.
3688 2010-03-26 David S. Miller <davem@davemloft.net>
3690 * configure.ac: Fix sparc GOTDATA_OP bug check.
3691 * configure: Rebuild.
3693 2010-03-26 Alan Modra <amodra@gmail.com>
3695 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3697 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3699 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3700 TLS_SECTION_ASM_FLAG.
3702 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3705 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3706 Clear first_function_block_is_cold.
3709 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3710 argument if the argument is truth_value_p.
3712 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3714 * config/rs6000/constraints.md: Update copyright year for my changes.
3717 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3718 used in reg+reg addressing, swap registers.
3720 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3723 * target.h (struct gcc_target): Add code_end hook.
3724 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3726 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3727 * toplev.c (compile_file): Call targetm.asm_out.code_end
3728 hook before unwind info/debug info output.
3729 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3730 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3731 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3732 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3733 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3734 * config/i386/i386.c (ix86_file_end): Renamed to...
3735 (ix86_code_end): ... this. Make static. Don't call
3736 file_end_indicate_exec_stack. Emit unwind info using
3737 final_start_function/final_end_function.
3738 (darwin_x86_file_end): Remove.
3739 (TARGET_ASM_CODE_END): Define.
3740 * config/i386/i386.h (TARGET_ASM_FILE_END,
3741 NEED_INDICATE_EXEC_STACK): Don't define.
3742 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3743 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3744 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3745 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3748 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3749 at the beginning and final_end_function at the end.
3750 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3752 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3754 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3755 and Sun as TLS syntax.
3756 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3757 * configure: Regenerate.
3758 * config.in: Regenerate.
3759 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3760 (default_elf_asm_named_section): Use it.
3761 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3762 (i386_output_dwarf_dtprel): Likewise.
3763 (output_addr_const_extra): Likewise.
3764 (output_pic_addr_const): Lowercase @GOTTPOFF.
3765 (output_addr_const_extra): Likewise.
3766 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3767 (output_addr_const_extra): Likewise.
3768 (output_pic_addr_const): Lowercase @INDNTPOFF.
3769 (output_addr_const_extra): Likewise.
3770 (output_pic_addr_const): Lowercase @NTPOFF.
3771 (output_addr_const_extra): Likewise.
3772 (output_pic_addr_const): Lowercase @TPOFF.
3773 (output_addr_const_extra): Likewise.
3774 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3775 (*tls_global_dynamic_64): Likewise.
3776 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3777 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3779 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3780 (ASM_OUTPUT_TLS_COMMON): Use it.
3781 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3784 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3785 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3786 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3787 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3788 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3789 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3791 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3793 * config/i386/i386.c (override_options): Don't accept
3794 -mtls-dialect=sun any longer.
3795 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3796 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3797 (*tls_local_dynamic_base_32_sun): Likewise.
3798 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3800 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3803 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3804 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3807 * ira.c (adjust_cleared_regs): New function.
3808 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3812 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3814 * expr.c (expand_expr_real): Restore previous
3815 curr_insn_source_location and curr_insn_block after
3816 expand_expr_real_1 call.
3817 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3818 instead of expand_expr_real_1.
3820 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3822 PR rtl-optimization/43413
3823 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3826 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3829 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3830 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3832 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3834 * config/i386/i386.c (ix86_target_string): Add -mfma.
3835 Fix a typo in comment.
3837 2010-03-22 Mike Stump <mikestump@comcast.net>
3840 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3841 Don't overly align based upon packed packed fields.
3843 2010-03-22 Jason Merrill <jason@redhat.com>
3845 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3846 Use () rather than [], and move before the element type.
3848 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3850 * doc/configfiles.texi (Configuration Files): Removed
3851 fixinc/Makefile*, intl/Makefile.*.
3852 * doc/makefile.texi: Fixed markup. Abstract from version
3853 control system used.
3854 (Makefile): Removed obsolete gcc/java/parse.y example.
3855 * doc/sourcebuild.texi: Likewise.
3856 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3857 libgomp, libssp. Removed fastjar.
3858 (Miscellaneous Docs): Clarify location.
3859 Added COPYING3, COPYING3.LIB.
3860 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3862 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3865 * config/i386/i386.c (x86_function_profiler)
3866 [!NO_PROFILE_COUNTERS]: Fix typo.
3867 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3870 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3871 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3873 * doc/sourcebuild.texi (Test Directives): Split into six
3874 subsections, with most of the current text in new subsections
3875 Directives, Selectors, and Final Actions.
3876 (Directives): Split list of test directives into multiple
3878 (Selectors): Describe use and syntax of selectors.
3879 (Effective-Target Keywords): Describe all existing keywords.
3880 (Add Options): Describe features for dg-add-options.
3881 (Require Support): Describe variants of dg-require-support.
3882 (Final Actions): Describe commands to use in dg-final.
3884 2010-03-22 Michael Matz <matz@suse.de>
3887 * recog.c (validate_replace_rtx_group): Replace also in
3888 REG_EQUAL and REG_EQUIV notes.
3890 2010-03-22 Richard Guenther <rguenther@suse.de>
3892 PR tree-optimization/43390
3893 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3894 sure vector extracts are type correct.
3896 2010-03-22 Richard Guenther <rguenther@suse.de>
3899 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3900 x * sqrt (x) even when optimizing for size if the target
3901 has native support for sqrt.
3903 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3905 * varasm.c (make_decl_rtl_for_debug): Also clear
3906 flag_mudflap for the duration of make_decl_rtl call.
3909 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3910 locs from preserved VALUEs.
3912 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3915 * pa.md (movmemsi): Set align to one if zero.
3916 (movmemdi): Likewise.
3918 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3921 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3922 with their corresponding prologue pushes.
3924 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3927 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3928 at the begining or end.
3929 (spu_expand_epilogue): Likewise.
3931 2010-03-20 Richard Guenther <rguenther@suse.de>
3933 PR rtl-optimization/43438
3934 * combine.c (make_extraction): Properly zero-/sign-extend an
3935 extraction of the low part of a CONST_INT. Also handle
3938 2010-03-19 Mike Stump <mikestump@comcast.net>
3940 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3941 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3942 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3944 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3947 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3950 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3952 PR rtl-optimization/42258
3953 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3954 use that may match DEF.
3957 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3958 the cost of loading the constant rather than assuming
3960 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3961 outer code is AND, do the same tests as the andsi3 expander and
3962 return COSTS_N_INSNS (1) if and is cheap.
3964 * optabs.c (avoid_expensive_constant): Fix formatting.
3966 2010-03-19 Michael Matz <matz@suse.de>
3969 * attribs.c (decl_attributes): When rebuilding a function pointer
3970 type use the same qualifiers as the original pointer type.
3972 2010-03-19 Martin Jambor <mjambor@suse.cz>
3974 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3975 and is_gimple_ip_invariant_address.
3977 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3980 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3982 * config/arm/arm.c (arm_override_options): Turn off
3983 flag_dwarf2_cfi_asm for AAPCS variants.
3985 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3988 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3989 Use PRE_MODIFY instead of PRE_DEC.
3990 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3991 (vfp_emit_fstmd): Likewise.
3993 2010-03-19 Michael Matz <matz@suse.de>
3996 * builtins.c (expand_builtin_interclass_mathfn,
3997 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4000 2010-03-19 Richard Guenther <rguenther@suse.de>
4002 PR tree-optimization/43415
4003 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4004 (phi_translate_1): ... this.
4005 (phi_translate): Move all caching here. Cache all NARY
4006 and REFERENCE translations.
4008 2010-03-19 David S. Miller <davem@davemloft.net>
4010 With help from Eric Botcazou.
4011 * config/sparc/sparc.c: Include dwarf2out.h.
4012 (emit_pic_helper): Delete.
4013 (pic_helper_symbol_name): Delete.
4014 (pic_helper_emitted_p): Delete.
4015 (pic_helper_needed): New.
4016 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4017 (get_pc_thunk_name): New.
4018 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4019 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4020 Set pic_helper_needed to true. Don't call emit_pic_helper.
4021 (sparc_expand_prologue): Update load_pic_register call.
4022 (sparc_output_mi_thunk): Likewise.
4023 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4024 thunk if possible. Output CFI information as needed.
4026 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4027 Jack Howarth <howarth@bromo.med.uc.edu>
4030 * config/i386/i386.h: Fix ABI on darwin x86-32.
4032 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4034 * tree.h: Declare make_decl_rtl_for_debug.
4035 * varasm.c (make_decl_rtl_for_debug): New.
4036 * dwarf2out.c (rtl_for_decl_location): Call it.
4037 * cfgexpand.c (expand_debug_expr): Call it.
4039 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4042 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4046 * var-tracking.c (vt_init_cfa_base): Do nothing if
4047 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4049 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4052 * var-tracking.c (canonicalize_vars_star): New.
4053 (dataflow_post_merge_adjust): Use it.
4055 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4058 * var-tracking.c (non_suitable_const): New function.
4059 (add_uses): For DEBUG_INSNs with constants, don't record any
4060 value, instead just the constant value itself.
4061 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4062 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4063 (emit_notes_in_bb): Likewise.
4064 (emit_note_insn_var_location): For onepart variables if
4065 cur_loc is a VOIDmode constant, use DECL_MODE.
4067 2010-03-18 Martin Jambor <mjambor@suse.cz>
4070 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4071 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4072 all non-clones. Moved call redirection...
4073 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4074 (cgraph_materialize_all_clones): Dispose of all
4075 combined_args_to_skip bitmaps.
4076 (verify_cgraph_node): Do not check for edges pointing to wrong
4077 nodes in inline clones.
4078 * tree-inline.c (copy_bb): Call
4079 cgraph_redirect_edge_call_stmt_to_callee.
4080 * ipa.c (cgraph_remove_unreachable_nodes): Call
4081 cgraph_node_remove_callees even when there are used clones.
4083 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4085 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4087 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4090 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4093 2010-03-18 Michael Matz <matz@suse.de>
4096 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4097 into sqrt(x) if we need to preserve signed zeros.
4099 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4100 Eric Botcazou <ebotcazou@adacore.com>
4102 PR rtl-optimization/43360
4103 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4104 note if we don't know its invariant status.
4106 2010-03-18 Michael Matz <matz@suse.de>
4108 PR tree-optimization/43402
4109 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4110 PHI chains of ssa names registered for update.
4112 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4115 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4116 non-offsettable and pre_modify update addressing.
4117 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4118 and "2" alternatives "#".
4119 (*movdd_softfloat32): Make all alternatives "#";
4120 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4121 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4122 (*movdf_softfloat32): Make all alternatives "#";
4123 (movdi): Use the new DIFD mode iterator to create a common splitter
4124 for movdi, movdf and movdd patterns.
4126 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4128 * common.opt (dumpdir): Remove redundant tab.
4130 2010-03-17 Martin Jambor <mjambor@suse.cz>
4132 PR tree-optimization/43347
4133 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4134 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4136 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4138 PR rtl-optimization/42216
4139 * regrename.c (create_new_chain): New function, broken out from...
4140 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4141 appending a use to an empty chain.
4142 (build_def_use): Remove previous changes that convert OP_INOUT to
4143 OP_OUT operands; instead detect the case where an OP_INOUT operand
4144 uses a previously untracked register and create an empty chain for it.
4146 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4148 * doc/extend.texi (Function Attributes): Rewrite unfinished
4149 sentence in ms_abi documentation.
4151 2010-03-17 Alan Modra <amodra@gmail.com>
4153 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4154 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4155 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4156 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4158 2010-03-16 Richard Henderson <rth@redhat.com>
4161 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4162 (lower_try_finally): Save and restore eh_seq around the expansion
4165 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4167 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4168 statements before splitting block.
4170 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4172 * doc/sourcebuild.texi (Testsuites): Fix markup.
4173 Use pathnames relative to gcc/testsuite.
4174 (Test Directives): Move description of how timeout is determined.
4175 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4176 (C Tests): Correct gcc.misc-tests directory.
4177 Framework tests now live in gcc.test-framework.
4179 2010-03-16 Richard Guenther <rguenther@suse.de>
4182 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4183 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4185 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4186 Alexandre Oliva <aoliva@redhat.com>
4188 PR tree-optimization/42917
4189 * lambda-code.c (remove_iv): Skip debug statements.
4190 (lambda_loopnest_to_gcc_loopnest): Likewise.
4191 (not_interesting_stmt): Debug statements are not interesting.
4193 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4197 * cselib.c (cselib_preserve_constants,
4198 cfa_base_preserved_val): New static variables.
4199 (preserve_only_constants): New function.
4200 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4201 clear its REG_VALUES. If cselib_preserve_constants, don't
4202 empty the whole hash table, but preserve there VALUEs with constants,
4203 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4204 (cselib_preserve_cfa_base_value): New function.
4205 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4206 (cselib_init): Change argument to int bitfield. Set
4207 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4209 (cselib_finish): Clear cselib_preserve_constants and
4210 cfa_base_preserved_val.
4211 * cselib.h (enum cselib_record_what): New enum.
4212 (cselib_init): Change argument to int.
4213 (cselib_preserve_cfa_base_value): New prototype.
4214 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4215 * dse.c (dse_step1): Likewise.
4216 * cfgcleanup.c (thread_jump): Likewise.
4217 * sched-deps.c (sched_analyze): Likewise.
4218 * gcse.c (local_cprop_pass): Likewise.
4219 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4220 If FN is non-NULL, call the callback always and whenever it returns
4221 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4222 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4223 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4224 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4225 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4226 * var-tracking.c: Include recog.h.
4227 (bb_stack_adjust_offset): Remove.
4228 (vt_stack_adjustments): Don't call it, instead just gather the
4229 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4230 (adjust_stack_reference): Remove.
4231 (compute_cfa_pointer): New function.
4232 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4233 (struct adjust_mem_data): New type.
4234 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4236 (get_address_mode): New function.
4237 (replace_expr_with_values): Use it.
4238 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4239 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4240 (adjust_sets): Remove.
4241 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4242 Use get_address_mode.
4243 (get_adjusted_src): Remove.
4244 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4245 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4246 (add_with_sets): Don't call adjust_sets.
4247 (fp_setter, vt_init_cfa_base): New functions.
4248 (vt_initialize): Change return type to bool. Move most of pool etc.
4249 initialization to the beginning of the function from end. Pass
4250 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4251 If !frame_pointer_needed, call vt_stack_adjustment before mos
4252 vector is filled, call vt_init_cfa_base if argp/framep has been
4253 eliminated to sp. If frame_pointer_needed and argp/framep has
4254 been eliminated to hard frame pointer, set
4255 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4256 encountering fp setter in the prologue. For MO_ADJUST, call
4257 log_op_type before pusing the op into mos vector, not afterwards.
4258 Call adjust_insn before cselib_process_insn/add_with_sets,
4259 call cancel_changes (0) afterwards.
4260 (variable_tracking_main_1): Adjust for vt_initialize calling
4261 vt_stack_adjustments and returning whether it succeeded or not.
4263 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4265 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4268 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4270 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4272 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4273 drap_reg has not been set.
4275 2010-03-15 Michael Matz <matz@suse.de>
4278 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4279 use it to expand block copies.
4280 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4281 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4282 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4284 2010-03-15 Richard Guenther <rguenther@suse.de>
4286 PR tree-optimization/43367
4287 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4290 2010-03-15 Richard Guenther <rguenther@suse.de>
4292 PR tree-optimization/43317
4293 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4295 2010-03-15 Martin Jambor <mjambor@suse.cz>
4297 PR tree-optimization/43141
4298 * tree-sra.c (create_abstract_origin): New function.
4299 (modify_function): Call create_abstract_origin.
4301 2010-03-15 Chris Demetriou <cgd@google.com>
4303 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4306 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4309 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4310 call insert_out_of_ssa_copy for default definitions.
4312 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4314 * graphite-clast-to-gimple.c (my_long_long): Defined.
4315 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4316 * graphite-sese-to-poly.c (my_long_long): Defined.
4317 (scop_ivs_can_be_represented): Use it.
4319 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4321 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4322 graphite-max-bbs-per-function, and loop-block-tile-size.
4323 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4325 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4327 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4329 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4330 forward declaration.
4331 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4332 (add_upper_bounds_from_estimated_nit): New.
4333 (build_loop_iteration_domains): Use it.
4335 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4337 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4339 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4342 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4343 should be an INTEGER_CST. Also handle CASE_CONVERT.
4345 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4347 * graphite.c (graphite_initialize): To bound the number of bbs per
4348 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4349 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4350 * doc/invoke.texi: Document it.
4352 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4354 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4355 * graphite-sese-to-poly.h (build_poly_scop): Same.
4357 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4359 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4360 the number of parameters in the scop. Use as an upper bound
4361 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4362 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4363 * doc/invoke.texi: Document it.
4365 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4367 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4368 * doc/c-tree.texi: Remove.
4369 * doc/generic.texi: Merge c-tree.texi here.
4370 * doc/gccint.texi (Trees): Remove menu entry.
4371 (c-tree.texi): Remove @include.
4372 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4373 * doc/languages.texi (Reading RTL): Ditto.
4375 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4378 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4380 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4383 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4384 code added to work around reload clobbering CONST insns.
4386 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4388 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4389 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4390 (cselib_preserve_only_values): Remove retain argument, don't
4391 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4392 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4393 * var-tracking.c (micro_operation): Move insn field before union.
4394 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4395 (struct variable_tracking_info_def): Remove n_mos field, change
4396 mos into a vector of micro_operations.
4397 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4398 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4399 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4400 changing into a vector.
4401 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4402 come before all other uops generated by add_stores.
4403 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4405 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4406 a vector. Run just one pass over the bbs instead of separate counting
4407 and computation phase.
4408 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4411 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4412 into *nonlocalized_list vector.
4413 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4414 even if origin is non-NULL.
4415 (gen_variable_die): Likewise.
4416 (process_scope_var): Don't change origin.
4417 (gen_decl_die): Likewise.
4418 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4419 before adding new edges instead of after it, fix moving over
4422 2010-03-11 David S. Miller <davem@davemloft.net>
4424 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4426 * configure: Rebuild.
4428 2010-03-11 Martin Jambor <mjambor@suse.cz>
4430 PR tree-optimization/43257
4431 * tree.c (assign_assembler_name_if_neeeded): New function.
4432 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4434 * tree.h (assign_assembler_name_if_neeeded): Declare.
4435 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4436 the function if needed.
4438 2010-03-11 Chris Demetriou <cgd@google.com>
4440 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4441 include/stdint-gcc.h, and include/stdint.h world-readable.
4443 2010-03-11 Richard Guenther <rguenther@suse.de>
4445 PR tree-optimization/43255
4446 * tree-vrp.c (process_assert_insertions_for): Do not insert
4447 asserts for trivial conditions.
4449 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4451 PR tree-optimization/43280
4452 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4453 generation. Move calculation of size out of the if branch.
4454 (find_bswap): Modify compare number generation.
4456 2010-03-11 Richard Guenther <rguenther@suse.de>
4459 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4460 (input_gimple_stmt): Fixup handled component types during
4461 operand read. Also fix up decls in ADDR_EXPRs.
4463 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4465 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4466 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4468 2010-03-10 Jan Hubicka <jh@suse.cz>
4471 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4472 * varasm.c (get_variable_section): Don't do that here...
4473 (make_decl_rtl): ... and here.
4474 (do_assemble_alias): Produce decl RTL.
4475 (assemble_alias): Likewise.
4477 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4480 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4481 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4483 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4484 (based_loc_descr): Only express drap or vdrap regno based expressions
4485 using DW_OP_fbreg when not optimizing.
4486 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4487 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4488 REG_CFA_SET_VDRAP note.
4490 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4492 PR tree-optimization/43236
4493 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4494 error in calculation of base address in reverse iteration case.
4495 (generate_builtin): Take number of latch executions if the statement
4498 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4501 * tree-eh.c: Include pointer-set.h.
4502 (lower_eh_dispatch): Filter out duplicate case labels and
4503 remove the unneeded edge when the label is unused. Return
4504 true when some edges are removed.
4505 (execute_lower_eh_dispatch): When any lowering resulted in
4506 removing an edge, also delete unreachable blocks.
4508 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4511 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4512 UNSPEC_MACHOPIC_OFFSET.
4514 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4517 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4518 (m68k_delegitimize_address): New function.
4520 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4523 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4526 * var-tracking.c (adjust_sets): New function.
4527 (count_with_sets, add_with_sets): Use it.
4528 (get_adjusted_src): New inline function.
4529 (add_stores): Use it.
4532 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4533 call cselib_dummy_expand_value_rtx_cb instead of
4534 cselib_expand_value_rtx_cb.
4537 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4538 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4539 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4540 and .cfi_endproc around the pic thunks.
4541 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4542 all queued unwind info register saves are saved before the call.
4543 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4544 considered as sp-=4 for unwind info and the pop as sp+=4 which
4545 also clobbers dest, but doesn't actually restore it.
4548 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4549 RTX_FRAME_RELATED_P.
4551 2010-03-09 Jie Zhang <jie@codesourcery.com>
4553 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4554 whitespaces in output template.
4556 2010-03-09 Jie Zhang <jie@codesourcery.com>
4558 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4561 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4563 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4564 builtins.exp in a separate job.
4566 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4568 * graphite-sese-to-poly.c (add_param_constraints): Use
4569 lower_bound_in_type and upper_bound_in_type.
4571 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4573 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4574 instead of unsigned_type_node.
4576 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4577 Reza Yazdani <reza.yazdani@amd.com>
4580 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4581 on pointer type parameters.
4583 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4587 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4588 handle conversions from pointer to integers.
4589 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4590 induction variable, to be able to work with code generated by CLooG.
4591 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4592 (build_poly_scop): Bail out if we cannot codegen a loop.
4594 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4596 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4597 code generation with gloog_error.
4599 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4601 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4602 Call fold_convert on all the returned values.
4603 (expand_scalar_variables_expr): Pass to
4604 expand_scalar_variables_ssa_name the type of the resulting expression.
4606 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4608 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4609 ppl_min_for_le_pointset.
4610 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4611 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4613 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4615 * graphite-dependences.c (map_into_dep_poly): Removed.
4616 (dependence_polyhedron_1): Use combine_context_id_scat.
4618 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4620 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4621 (struct poly_bb): Same.
4622 (combine_context_id_scat): New.
4624 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4627 * sese.c (name_defined_in_loop_p): Return false for default
4630 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4632 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4633 and clean up the logic.
4635 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4637 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4640 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4642 * var-tracking.c (remove_cselib_value_chains): Define only for
4644 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4645 delete_slot_part, emit_notes_for_differences_1): Don't call
4646 remove_cselib_value_chains here.
4647 (set_slot_part, emit_notes_for_differences_2): Don't call
4648 add_cselib_value_chains here.
4649 (preserved_values): New vector.
4650 (preserve_value): New function.
4651 (add_uses, add_stores, vt_add_function_parameters): Use it
4652 instead of cselib_preserve_value.
4653 (changed_values_stack): New vector.
4654 (check_changed_vars_0): New function.
4655 (check_changed_vars_1, check_changed_vars_2): Use it.
4656 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4657 changed_values_stack VALUEs.
4658 (vt_emit_notes): For all preserved_values call
4659 add_cselib_value_chains. If ENABLE_CHECKING call
4660 remove_cselib_value_chains before verifying value_chains is empty.
4661 Initialize and free changed_values_stack.
4662 (vt_initialize): Initialize preserved_values.
4663 (vt_finalize): Free preserved_values.
4665 2010-03-08 Richard Guenther <rguenther@suse.de>
4667 PR tree-optimization/43269
4668 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4671 2010-03-08 Martin Jambor <mjambor@suse.cz>
4673 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4674 (ipa_is_param_called): Removed.
4675 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4676 (ipa_print_node_params): Do not print the called flag.
4677 (ipa_write_node_info): Do not stream the called flag.
4678 (ipa_read_node_info): Likewise.
4680 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4683 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4684 * cselib.c (struct expand_value_data): Add dummy field.
4685 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4687 (cselib_dummy_expand_value_rtx_cb): New function.
4688 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4690 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4691 * var-tracking.c: Include pointer-set.h.
4692 (variable): Change n_var_parts to char from int. Add
4693 cur_loc_changed and in_changed_variables fields.
4694 (variable_canonicalize): Remove.
4695 (shared_var_p): New inline function.
4696 (unshare_variable): Maintain cur_loc_changed and
4697 in_changed_variables fields. If var was in changed_variables,
4698 replace it there with new_var. Just copy cur_loc instead of
4699 resetting it to something else.
4700 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4701 (dataflow_set_union): Don't call variable_canonicalize.
4702 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4703 of their DEBUG_EXPR_TREE_DECLs.
4704 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4705 and in_changed_variables and cur_loc_changed is false.
4706 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4707 and cur_loc_changed. Don't update cur_loc here.
4708 (variable_merge_over_src): Don't call variable_canonicalize.
4709 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4710 removing loc that is equal to cur_loc, clear cur_loc,
4711 set cur_loc_changed and ensure variable_was_changed is called.
4712 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4713 compare pointers in cur_loc check, if it is equal to loc,
4714 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4715 (variable_different_p): Remove compare_current_location argument,
4716 don't compare cur_loc.
4717 (dataflow_set_different_1): Adjust variable_different_p caller.
4718 (variable_was_changed): If dv had some var in changed_variables
4719 already, reset in_changed_variables flag for it and propagate
4720 cur_loc_changed over to the new variable. On empty var
4721 always set cur_loc_changed. Set in_changed_variables on whatever
4722 var is added to changed_variables.
4723 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4724 Use shared_var_p. When removing loc that is equal to cur_loc,
4725 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4726 end, don't set it to something else, just call variable_was_changed.
4727 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4728 loc being removed, clear cur_loc and set cur_loc_changed.
4729 Set cur_loc_changed if all locations have been removed.
4730 (struct expand_loc_callback_data): New type.
4731 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4732 allocated. Always create SUBREGs if simplify_subreg failed.
4733 Prefer to use cur_loc, when that fails and still in
4734 changed_variables (and seen first time) recompute it. Set
4735 cur_loc_changed of variables which had to change cur_loc and
4736 compute elcd->cur_loc_changed if any of the subexpressions used
4737 had to change cur_loc.
4738 (vt_expand_loc): Adjust to pass arguments in
4739 expand_loc_callback_data structure.
4740 (vt_expand_loc_dummy): New function.
4741 (emitted_notes): New variable.
4742 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4743 that weren't used for any other decl in current
4744 emit_notes_for_changes call call vt_expand_loc_dummy to update
4745 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4746 first loc_chain location if NULL before. Always use just
4747 cur_loc instead of first loc_chain location. When cur_loc_changed
4748 is false, when not --enable-checking=rtl just don't emit any note.
4749 When rtl checking, compute the note and assert it is the same
4750 as previous note. Clear cur_loc_changed and in_changed_variables
4751 at the end before removing from changed_variables.
4752 (check_changed_vars_3): New function.
4753 (emit_notes_for_changes): Traverse changed_vars to call
4754 check_changed_vars_3 on each changed var.
4755 (emit_notes_for_differences_1): Clear cur_loc_changed and
4756 in_changed_variables. Recompute cur_loc of new_var.
4757 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4758 (vt_emit_notes): Initialize and destroy emitted_notes.
4760 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4762 PR rtl-optimization/42220
4763 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4764 Use verify_reg_tracked to determine if we should use OP_OUT rather
4766 (build_def_use): If we see an in-out operand for a register that we
4767 know nothing about, treat is an output if possible, fail the block if
4770 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4773 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4776 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4779 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4780 uses of relevant DEFs that are dead outside the loop too.
4782 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4784 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4786 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4788 * var-tracking.c (values_to_unmark): New variable.
4789 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4790 values_to_unmark vector. Moved body to...
4791 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4792 instead queue it into values_to_unmark vector.
4793 (vt_find_locations): Free values_to_unmark vector.
4795 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4797 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4798 (site.exp): Export them when plugins are enabled.
4800 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4803 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4805 (chrec_fold_multiply): Same.
4807 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4810 * c-decl.c (build_compound_literal): Return early if init is
4813 2010-03-04 Martin Jambor <mjambor@suse.cz>
4815 PR tree-optimization/43164
4816 PR tree-optimization/43191
4817 * tree-sra.c (type_consists_of_records_p): Reject records with
4818 zero-size bit-fields at the end.
4820 2010-03-04 Mike Stump <mikestump@comcast.net>
4822 * Makefile.in (TAGS): Remove *.y.
4824 2010-03-04 Richard Guenther <rguenther@suse.de>
4826 PR tree-optimization/40761
4827 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4829 (my_rev_post_order_compute): New function.
4830 (init_pre): Call it.
4832 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4835 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4836 decrease the cost of an IV candidate when the cost is infinite.
4838 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4840 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4841 Use '3DNow!' for the extension of that name, ensure normal space
4843 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4845 2010-03-03 Jeff Law <law@redhat.com>
4847 * PR middle-end/32693
4848 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4849 than gen_rtx_SUBREG.
4850 (extract_bit_field_1): Likewise.
4852 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4854 * doc/sourcebuild.texi (Test directives): Document that arguments
4855 include-opts and exclude-opts are now optional for dg-skip-if,
4856 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4858 2010-03-03 Jason Merrill <jason@redhat.com>
4861 * cgraph.h (varpool_node): Add extra_name field.
4862 * varpool.c (varpool_extra_name_alias): New.
4863 (varpool_assemble_decl): Emit extra name aliases.
4864 (varpool_mark_needed_node): Look past an extra name alias.
4865 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4866 * lto-streamer-in.c (lto_input_tree): Read it.
4867 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4869 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4871 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4872 (sparc*-*-solaris2*): ...this.
4874 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4877 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4878 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4879 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4880 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4883 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4884 fallthrough to default handling, just with want_address 0 instead of 2.
4885 For single element lists, add_AT_loc directly, otherwise create an
4886 artificial variable DIE and stick location list to it.
4889 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4890 (VAL_EXPR_HAS_REVERSE): Define.
4891 (reverse_op): New function.
4892 (add_stores): For reversible operations add an extra MO_VAL_USE.
4894 2010-03-02 Jason Merrill <jason@redhat.com>
4896 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4898 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4900 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4901 (sparc64-*-linux*): Likewise.
4902 (sparc64-*-solaris2*): Include assembler files before linker ones.
4903 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4904 * config/sparc/gas.h: Delete.
4905 * config/sparc/sol2-64.h: Add copyright notice.
4906 * config/sparc/sol2-gas-bi.h: Likewise.
4907 * config/sparc/sol2-gld.h: Likewise.
4908 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4909 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4910 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4911 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4912 (sparc_elf_asm_named_section): Rename into...
4913 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4915 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4917 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4919 2010-03-02 Jeff Law <law@redhat.com>
4922 * reload1.c (rtx_p, substitute_stack): Declare.
4923 (substitute): Record addresses of changed rtxs.
4924 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4925 Restore the original rtx when complete.
4926 (reload): Free subsitute_stack when complete.
4928 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4930 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4931 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4933 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4934 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4935 Torture Tests): Change from subsection to section.
4937 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4938 Steven Bosscher <steven@gcc.gnu.org>
4940 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4943 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4946 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4947 the assignment from the new induction variable to the assignment
4948 of the value from the original loop PHI function.
4950 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4951 Daniel Jacobowitz <dan@codesourcery.com>
4953 * doc/sourcebuild.texi (Test directives): Clarify options to
4956 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4958 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4959 Disable cfi directives unless GCC and gas agree on using read-only
4960 .eh_frame sections for 64-bit.
4961 * configure: Regenerate.
4963 2010-03-01 Richard Guenther <rguenther@suse.de>
4965 PR tree-optimization/43220
4966 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4967 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4969 2010-03-01 Richard Guenther <rguenther@suse.de>
4970 Martin Jambor <mjambor@suse.cz>
4973 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4974 gimplified parameters.
4976 2010-03-01 Christian Bruel <christian.bruel@st.com>
4978 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4980 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4982 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4984 2010-03-01 Richard Guenther <rguenther@suse.de>
4987 * expr.c (expand_assignment): Use the alias-oracle to tell
4988 if the rhs aliases the result decl.
4990 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4993 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4994 to sol_gt_pch_get_address.
4995 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4996 64-bit, SPARC and x86.
4997 (sol_gt_pch_get_address): New function.
4999 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5001 * toplev.h (inform_n, error_n): Declare.
5002 * diagnostic.c (inform_n, error_n): New function.
5004 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5006 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5007 has no rtl yet when processing local_decls, queue it and recheck
5008 if deferred stack allocation hasn't assigned it rtl.
5010 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5012 * config/sh/sh.c (unspec_bbr_uid): New.
5013 (gen_block_redirect): Use it instead of INSN_UID.
5014 (gen_far_branch): Likewise.
5016 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5018 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5019 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5021 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5023 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5024 (Warning Options): -Wno-conversion-null is valid for
5025 Objective-C++ as well.
5026 * doc/tm.texi (Named Address Spaces): Likewise.
5027 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5028 * doc/tree-ssa.texi (Tree SSA): Likewise.
5030 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5033 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5034 by default. Don't set the default arch for
5035 i[34567]86-*-darwin*|x86_64-*-darwin*.
5037 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5040 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5041 default. Set the default 32bit/64bit archs with $with_arch
5042 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5044 2010-02-27 Richard Guenther <rguenther@suse.de>
5046 PR tree-optimization/43186
5047 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5048 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5049 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5050 unroller iterations.
5052 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5054 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5055 required and i[34567]86-*-* targets don't support 64bit ISA.
5057 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5060 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5063 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5065 * config.gcc: Set the default arch at least to Prescott for
5066 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5067 if SSE math is enabled.
5069 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5071 * diagnostic.c (diagnostic_initialize): Update.
5072 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5074 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5075 (diagnostic_inhibit_notes): New.
5076 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5078 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5081 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5082 * doc/standards.texi: Likewise.
5083 * doc/extend.texi: Likewise.
5084 * doc/trouble.texi: Likewise.
5085 * doc/cppopts.texi: Likewise.
5086 * doc/install.texi: Likewise.
5087 * c.opt (std=c90,std=gnu90): New options.
5088 * c-opts.c (c_common_handle_option): Handle them.
5090 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5093 * c-decl.c (undeclared_variable): Use an informative note.
5095 2010-02-26 Richard Guenther <rguenther@suse.de>
5097 PR tree-optimization/43186
5098 * gimple.h (gimple_fold): Remove.
5099 * gimple.c (gimple_fold): Remove. Inline into single user ...
5100 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5101 Try harder for conditions.
5103 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5106 * function.c (used_types_insert): Don't skip through named pointer
5107 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5108 and it is different from the main variant's type.
5110 2010-02-26 Nick Clifton <nickc@redhat.com>
5112 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5114 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5116 * config.gcc: Support --with-fpmath=sse for x86.
5118 * config/i386/ssemath.h: New.
5120 * doc/install.texi (--with-fpmath=sse): Documented.
5122 2010-02-26 Richard Guenther <rguenther@suse.de>
5124 PR tree-optimization/43188
5125 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5126 vector types of over-aligned element type.
5128 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5131 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5132 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5134 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5136 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5138 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5140 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5141 * var-tracking.c: Include diagnostic.h.
5142 (debug_dv): New function.
5143 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5146 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5147 (add_value_chain, add_value_chains, remove_value_chain,
5148 remove_value_chains): Handle DEBUG_EXPRs.
5149 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5152 * regcprop.c (struct queued_debug_insn_change): New type.
5153 (struct value_data_entry): Add debug_insn_changes field.
5154 (struct value_data): Add n_debug_insn_changes field.
5155 (debug_insn_changes_pool): New variable.
5156 (free_debug_insn_changes, apply_debug_insn_changes,
5157 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5158 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5159 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5161 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5163 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5164 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5165 changes, call cprop_find_used_regs via note_stores.
5166 (copyprop_hardreg_forward): When copying vd from predecessor
5167 which has any queued DEBUG_INSN changes, make sure the pointers are
5168 cleared. At the end call df_analyze and then if there are any
5169 DEBUG_INSN changes queued at the end of some basic block for still
5170 live registers, apply them.
5171 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5173 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5175 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5178 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5180 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5181 targets. Set the default with_cpu/with_arch from arch/cpu.
5182 Allow x86-64 and native for with_cpu/with_arch.
5184 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5186 * ebitmap.c: Change calls to verify_popcount with calls to
5187 sbitmap_verify_popcount.
5188 (ebitmap_clear_bit): Fixed map->cacheindex test and
5189 map>cache update when bit clearing results in an empty
5192 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5195 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5196 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5197 and support both V2DF and V2DI modes.
5198 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5199 support both V2DF and V2DI modes.
5200 (general): Delete trailing whitespace from a few patterns.
5202 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5203 V2DF/V2DI interleave high/low builtins.
5205 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5208 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5209 interleave high/low functions.
5211 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5213 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5214 #pragma extern_prefix.
5216 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5219 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5220 BLKmode, assert op0 is a MEM and just adjust its mode.
5223 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5224 if bitpos isn't multiple of mode's bitsize.
5226 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5228 * c.opt (-ftemplate-depth=): New.
5229 (-ftemplate-depth-): Deprecate.
5230 * optc-gen.awk: Handle -ftemplate-depth=.
5231 * opth-gen.awk: Likewise.
5232 * c-opts.c (c_common_handle_option): Likewise.
5233 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5235 2010-02-24 Jason Merrill <jason@redhat.com>
5237 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5239 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5241 * cfg.c (alloc_aux_for_block): Remove inline.
5242 (alloc_aux_for_edge): Likewise.
5244 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5246 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5248 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5250 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5251 * config/i386/sol2-gas.h: New file.
5252 * config.gcc (i[34567]86-*-solaris2*): Use it.
5254 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5257 * c-typeck.c (ep_convert_and_check): New.
5258 (build_conditional_expr): Use it.
5259 (build_binary_op): Likewise.
5261 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5263 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5266 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5267 bounds even for -O+.
5268 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5269 expr needs to have DECL_NAME set.
5271 2010-02-24 Nick Clifton <nickc@redhat.com>
5273 * config/mep/mep.c: Include gimple.h.
5274 (mep_function_uses_sp): Delete unused function.
5275 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5276 parameters. Use unsigned integers to count args. Return a
5277 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5279 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5282 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5283 greater or equal to nelt instead of 2 * nelt.
5284 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5287 2010-02-23 Jason Merrill <jason@redhat.com>
5290 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5291 in cfun->local_decls even if they have register types.
5294 * stor-layout.c (place_field): Don't warn about unnecessary
5295 DECL_PACKED if the type is packed.
5297 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5300 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5301 GOTOFF relocs, even when the base reg isn't pic pointer.
5303 2010-02-23 Michael Matz <matz@suse.de>
5306 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5307 (expand_gimple_basic_block): Generate and use debug temps if there
5308 are debug uses left after the last real use of TERed ssa names.
5309 Unlink debug immediate uses when they are expanded.
5311 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5314 * config/i386/i386.c (override_options): Reorganise to provide
5315 better error messages.
5317 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5320 * graphite-scop-detection.c (create_single_exit_edge): Move
5321 the call to find_single_exit_edge to....
5322 (create_sese_edges): ...here. Don't handle multiple edges
5323 exiting the function.
5324 (build_graphite_scops): Don't handle multiple edges
5325 exiting the function.
5327 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5330 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5331 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5333 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5336 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5338 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5341 * c-typeck.c (convert_arguments): Print declaration location.
5342 * c-common.c (validate_nargs): Rename as
5343 builtin_function_validate_nargs.
5344 (check_builtin_function_arguments): Update.
5346 2010-02-22 Richard Guenther <rguenther@suse.de>
5349 * tree-inline.c (declare_return_variable): Use the type of
5350 the call stmt lhs if available.
5352 2010-02-22 Duncan Sands <baldrick@free.fr>
5354 * passes.c (register_pass): Always consider all pass lists when
5355 ref_pass_instance_number is zero.
5357 2010-02-22 Richard Guenther <rguenther@suse.de>
5359 PR tree-optimization/42749
5360 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5361 parameter. Do arithmetic in the original type.
5362 (update_accumulator_with_ops): Likewise.
5363 (adjust_accumulator_values): Adjust.
5365 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5367 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5368 (QI to BLKmode splitter): New splitter.
5370 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5372 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5373 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5375 2010-02-22 Richard Guenther <rguenther@suse.de>
5377 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5379 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5381 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5382 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5383 ($(T)crti.o, $(T)crtn.o): Remove rules.
5385 2010-02-21 Tobias Burnus <burnus@net-b.de>
5388 * doc/invoke.texi (-fassociative-math): Document that this
5389 option is automatically enabled for Fortran.
5391 2010-02-20 David S. Miller <davem@davemloft.net>
5393 * configure.ac: Test if linker and assembler properly support
5394 GOTDATA_OP relocations.
5395 * configure: Rebuild.
5396 * config.in: Likewise.
5397 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5398 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5399 (movsi_high_pic): Likewise.
5400 (movdi_lo_sum_pic): Likewise.
5401 (movdi_high_pic): Likewise.
5402 (movsi_pic_gotdata_op): New pattern.
5403 (movdi_pic_gotdata_op): Likewise.
5404 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5405 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5407 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5410 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5411 attribute to ssemul.
5412 (xop_mulv2div2di3_high): Ditto.
5414 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5417 * c.opt (Wconversion-null): New option.
5418 * doc/invoke.texi (Wconversion-null): Document.
5420 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5422 * common.opt (Wlarger-than-): Add Undocumented.
5424 2010-02-19 Mike Stump <mikestump@comcast.net>
5426 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5428 2010-02-19 Jason Merrill <jason@redhat.com>
5431 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5432 * configure: Likewise.
5434 2010-02-20 Alan Modra <amodra@gmail.com>
5437 * cgraph.h (cgraph_make_decl_local): Declare.
5438 * cgraph.c (cgraph_make_decl_local): New function.
5439 (cgraph_make_node_local): Use it.
5440 * cgraphunit.c (cgraph_function_versioning): Likewise.
5441 * ipa.c (function_and_variable_visibility): Likewise.
5443 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5446 * except.c (sjlj_emit_function_enter): Don't call
5447 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5449 * rtl.h (add_reg_br_prob_note): Remove prototype.
5451 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5454 * c-common.c (conversion_warning): Remove widening conversions
5455 before checking the conversion of integers to reals.
5457 2010-02-19 Mike Stump <mikestump@comcast.net>
5460 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5463 * cgraphunit.c (process_function_and_variable_attributes): Check
5464 DECL_PRESERVE_P instead of looking up attribute "used".
5465 * ipa-pure-const.c (check_decl): Likewise.
5466 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5467 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5468 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5469 instead of attribute "used".
5470 * config/sol2-c.c (solaris_pragma_init): Likewise.
5471 (solaris_pragma_fini): Likewise.
5473 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5475 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5476 Use XCNEW instead of xcalloc.
5477 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5478 XNEW instead of xmalloc.
5479 (get_fields): Use XNEWVEC instead of xmalloc.
5482 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5483 populate vars array.
5484 (create_new_general_access): For debug stmts just reset value.
5485 (get_stmt_accesses): For accesses within debug stmts just record them
5486 using add_access_to_acc_sites instead of preventing the peeling or
5487 counting them as accesses.
5490 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5492 2010-02-19 Richard Guenther <rguenther@suse.de>
5494 PR tree-optimization/42916
5495 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5498 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5500 * configure.ac: Replace all uses of changequote in macro arguments
5501 with proper quoting.
5503 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5506 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5508 2010-02-19 Richard Guenther <rguenther@suse.de>
5510 PR tree-optimization/42944
5511 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5512 test for aliasing with errno.
5514 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5517 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5518 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5519 * dojump.c: Include output.h.
5520 (inv): New inline function.
5521 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5522 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5523 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5524 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5525 argument, pass it down to other calls.
5526 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5527 add REG_BR_PROB note to the conditional jump.
5528 * cfgexpand.c (add_reg_br_prob_note): Removed.
5529 (expand_gimple_cond): Don't call it, add the probability
5530 as last argument to jumpif_1/jumpifnot_1.
5531 * Makefile.in (dojump.o): Depend on output.h.
5532 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5534 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5535 * stmt.c (do_jump_if_equal): Likewise.
5536 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5537 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5538 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5540 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5541 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5542 jumpifnot_1 callers.
5543 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5545 (store_expr): Adjust jumpifnot caller.
5546 (store_constructor): Adjust jumpif caller.
5549 * gimplify.c (gimple_boolify): For __builtin_expect call
5550 gimple_boolify also on its first argument.
5552 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5554 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5556 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5557 * configure: Regenerated.
5559 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5561 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5562 lang_hooks.types_compatible_p instead of comptypes.
5564 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5566 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5567 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5568 if __prefer_thumb__ is defined.
5570 2010-02-18 Martin Jambor <mjambor@suse.cz>
5572 PR tree-optimization/43066
5573 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5574 array with zero-sized element type.
5576 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5578 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5579 rtx, allocate struct var_loc_node here and return it to the
5580 caller, and only if it is actually needed.
5581 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5582 move it earlier and return immediately if it returns NULL.
5584 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5586 * config/sparc/gas.h: New file. Restore
5587 TARGET_ASM_NAMED_SECTION to its ELF default.
5588 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5590 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5591 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5592 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5593 after sparc/sysv4.h.
5595 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5597 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5599 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5601 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5602 patterns from predicated pattern.
5604 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5607 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5608 for insn mnemonic suffix.
5610 2010-02-17 Richard Guenther <rguenther@suse.de>
5612 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5615 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5618 * caller-save.c (save_call_clobbered_regs): If BB ends with
5619 a DEBUG_INSN, move any notes in between last real insn and the last
5620 DEBUG_INSN after the last DEBUG_INSN.
5622 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5624 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5625 Fix return type. Fix argument type. Explain meaning of return value.
5627 2010-02-16 Richard Guenther <rguenther@suse.de>
5629 PR tree-optimization/41043
5630 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5631 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5633 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5635 2010-02-16 Ira Rosen <irar@il.ibm.com>
5637 PR tree-optimization/43074
5638 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5639 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5640 vectorizable cycles in hybrid SLP check.
5641 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5643 2010-02-16 Richard Guenther <rguenther@suse.de>
5645 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5646 (true_dependence): If memrefs_conflict_p computes must-alias
5647 trust it. Move TBAA check after offset-based disambiguation.
5648 (canon_true_dependence): Likewise.
5650 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5652 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5653 * doc/invoke.texi: Document it.
5654 * var-tracking.c: Include toplev.h and params.h.
5655 (vt_find_locations): Return bool indicating success. Compute
5656 hash sizes unconditionally. Check new parameter, report.
5657 (variable_tracking_main_1): Check vt_find_locations results and
5658 retry. Renamed from...
5659 (variable_tracking_main): ... this. New wrapper to preserve
5660 flag_var_tracking_assignments.
5661 * Makefile.in (var-tracking.o): Adjust dependencies.
5663 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5664 Jakub Jelinek <jakub@redhat.com>
5667 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5668 if weak_import attribute is present.
5669 * config/darwin.c (machopic_select_section): Likewise.
5671 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5673 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5674 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5675 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5676 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5678 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5681 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5684 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5685 Rewrite text to refer to the names.
5687 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5689 * config/i386/i386-builtin-types.def
5690 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5691 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5692 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5693 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5694 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5695 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5696 IX86_BUILTIN_VPERMIL2PS256.
5697 (MULTI_ARG_4_DF2_DI_I): Defined.
5698 (MULTI_ARG_4_DF2_DI_I1): Defined.
5699 (MULTI_ARG_4_SF2_SI_I): Defined.
5700 (MULTI_ARG_4_SF2_SI_I1): Defined.
5701 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5702 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5703 __builtin_ia32_vpermil2ps256.
5704 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5705 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5706 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5707 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5708 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5709 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5710 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5711 CODE_FOR_xop_vpermil2v8sf3.
5712 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5713 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5714 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5715 (_mm256_permute2_pd): New.
5716 (_mm_permute2_ps): New.
5717 (_mm256_permute2_ps): New.
5719 2010-02-15 Nick Clifton <nickc@redhat.com>
5721 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5722 boolean parameters. Use emit_jump_insn when emitting a pop
5723 instruction containing a return insn.
5724 (push): Use 'true' rather than '1' as second parameter to F.
5725 (h8300_expand_prologue): Likewise.
5726 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5727 (h8300_expand_epilogue): Likewise.
5729 2010-02-15 Richard Guenther <rguenther@suse.de>
5732 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5735 2010-02-15 Nick Clifton <nickc@redhat.com>
5737 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5740 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5742 * intl.c (fake_ngettext): New function.
5743 * intl.h (fake_ngettext): Declare.
5744 (ngettext): Define macro.
5745 * collect2.c (notice_translated): New function.
5746 (main): Use notice_translated and ngettext.
5747 * collect2.h (notice_translated): Declare.
5749 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5751 * reorg.c (delete_computation): Comment fixes.
5752 * caller-save.c (setup_save_areas): Idem.
5753 * sel-sched-dump.c (dump_lv_set): Idem.
5756 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5758 * config/s390/s390.c (s390_sched_init): New function.
5759 (TARGET_SCHED_INIT): Target hook defined.
5761 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5762 Jack Howarth <howarth@bromo.med.uc.edu>
5763 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5766 Partial revert of unintended change in fix for PR41605.
5767 * config/darwin.h: Fix typo.
5768 * config/darwin9.h: Same.
5770 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5772 * c-pch.c (pch_init): Clear v.
5774 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5777 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5778 graphite_can_represent_init for MULT_EXPR.
5780 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5784 * graphite-sese-to-poly.c (remove_phi): New.
5785 (translate_scalar_reduction_to_array): Call remove_phi.
5787 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5790 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5791 * graphite-clast-to-gimple.h (gloog): Update declaration.
5792 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5793 * graphite-poly.h (struct poly_bb): Add missing comments.
5794 (struct scop): Add poly_scop_p field.
5796 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5797 * graphite.c (graphite_transform_loops): Build the polyhedral
5798 representation for each scop before code generation.
5799 * sese.c (rename_variables_in_operand): Removed.
5800 (rename_variables_in_expr): Return the renamed expression.
5801 (rename_sese_parameters): New.
5802 * sese.h (rename_sese_parameters): Declared.
5804 2010-02-11 Richard Guenther <rguenther@suse.de>
5806 PR tree-optimization/42998
5807 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5808 POINTER_PLUS_EXPR properly.
5810 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5811 Changpeng Fang <changpeng.fang@amd.com>
5814 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5815 the cost of an IV candidate when the IV is used in a test against zero.
5817 * gcc.dg/tree-ssa/ivopts-3.c: New.
5819 2010-02-11 Richard Guenther <rguenther@suse.de>
5822 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5823 pointer-vs-decl case by swapping refs. Handle some cases
5824 of pointer-vs-decl disambiguations more conservatively.
5825 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5826 to false after expanding.
5828 2010-02-11 Richard Guenther <rguenther@suse.de>
5831 * gcc.c (process_command): Handle LTO file@offset case more
5834 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5836 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5837 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5839 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5841 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5842 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5843 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5844 Optimize eq/ne comparisons when both arguments are known to be
5846 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5847 Don't mask operands unnecessarily if they are known to be already
5850 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5852 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5855 2010-02-10 Richard Guenther <rguenther@suse.de>
5857 PR tree-optimization/43017
5858 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5859 for wrapping signed arithmetic.
5861 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5864 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5865 if no debug info should be emitted for it.
5867 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5869 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5870 note when flag_exceptions is set.
5872 2010-02-10 Duncan Sands <baldrick@free.fr>
5874 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5876 2010-02-10 Richard Guenther <rguenther@suse.de>
5879 * tree.c (get_unwidened): Handle constants.
5880 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5882 2010-02-10 Martin Jambor <mjambor@suse.cz>
5885 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5886 check for variable argument counts independently.
5888 2010-02-10 Christian Bruel <christian.bruel@st.com>
5891 * config/sh/sh.c (find_barrier): Increase length for non delayed
5892 conditional branches.
5894 2010-02-10 Christian Bruel <christian.bruel@st.com>
5896 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5898 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5900 * builtins.c (set_builtin_user_assembler_name): Also handle
5901 ffs if int is smaller than word.
5903 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5906 * ira-conflicts.c (get_dup): Remove.
5907 (process_reg_shuffles): Add new parameter. Use it as an
5908 additional guard for copy generation.
5909 (add_insn_allocno_copies): Rewrite.
5911 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5913 * common.opt (fsched2-use-traces): Preserved for backward
5915 * doc/invoke.texi: Remove the documentation about option
5916 -fsched2-use-traces.
5917 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5918 flag_sched2_use_traces.
5919 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5920 the backward compatibility flag section.
5922 2010-02-09 Richard Guenther <rguenther@suse.de>
5924 PR tree-optimization/43008
5925 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5926 make HEAP variables initialized from global memory if they
5927 are not known builtin functions.
5928 (find_func_aliases): Adjust.
5930 2010-02-09 Richard Guenther <rguenther@suse.de>
5932 PR tree-optimization/43000
5933 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5934 arithmetic manually.
5936 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5938 PR tree-optimization/42931
5939 * tree-loop-linear.c (try_interchange_loops): Don't call
5940 double_int_mul if estimated_loop_iterations failed.
5942 2010-02-08 Martin Jambor <mjambor@suse.cz>
5945 * tree-sra.c (build_accesses_from_assign): Do not mark in
5946 should_scalarize_away_bitmap if stmt has volatile ops.
5947 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5950 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5952 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5954 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5956 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5959 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5962 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5964 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5967 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5968 to unknown_dependence.
5969 (graphite_legal_transform_dr): Handle the unknown_dependence.
5970 (graphite_carried_dependence_level_k): Same.
5972 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5974 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5976 2010-02-07 Richard Guenther <rguenther@suse.de>
5979 * expr.c (get_inner_reference): Always initialize *pbitsize.
5981 2010-02-07 Richard Guenther <rguenther@suse.de>
5984 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5985 new ARRAY_REFs on variable size element or minimal index arrays.
5987 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5988 gimple_fold_indirect_ref.
5990 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5993 * arm.c (arm_override_options): Just return if the user has specified
5994 an invalid fpu name.
5996 2010-02-03 Jason Merrill <jason@redhat.com>
5999 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6000 i386_pe_maybe_record_exported_symbol.
6002 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6005 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6006 (pa_delegitimize_address): New function.
6008 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6010 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6011 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6013 2010-02-05 Richard Guenther <rguenther@suse.de>
6016 * lto-streamer-in.c (get_resolution): Deal with references
6017 to undefined functions.
6019 2010-02-05 Richard Guenther <rguenther@suse.de>
6021 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6022 (fold_const_aggregate_ref): Likewise.
6023 (ccp_fold_stmt): Substitute loads.
6024 (maybe_fold_reference): Verify types before substituting.
6026 (fold_gimple_assign): Unshare properly.
6027 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6029 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6031 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6032 for rs6000_gen_cell_microcode.
6034 2010-02-04 Richard Guenther <rguenther@suse.de>
6036 PR rtl-optimization/42952
6037 * dse.c (const_or_frame_p): Remove MEM handling.
6039 2010-02-04 Nick Clifton <nickc@redhat.com>
6041 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6042 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6043 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6044 (mn10300_asm_output_mi_thunk): New function.
6045 (mn10300_can_output_mu_thunk): New function.
6046 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6047 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6048 (FUNCTION_ARG): Delete incorrect comment.
6050 2010-02-03 Jason Merrill <jason@redhat.com>
6053 * fold-const.c (operand_equal_p): Handle erroneous types.
6055 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6057 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6059 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6061 PR rtl-optimization/42941
6062 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6065 2010-02-03 Jason Merrill <jason@redhat.com>
6068 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6070 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6073 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6074 (cselib_reset_table): Renamed from...
6075 (cselib_reset_table_with_next_value): ... this.
6076 (cselib_get_next_uid): Renamed from...
6077 (cselib_get_next_unknown_value): ... this.
6078 * cselib.c (next_uid): Renamed from...
6079 (next_unknown_value): ... this.
6080 (cselib_clear_table): Adjust.
6081 (cselib_reset_table): Adjust. Renamed from...
6082 (cselib_reset_table_with_next_value): ... this.
6083 (cselib_get_next_uid): Adjust. Renamed from...
6084 (cselib_get_next_unknown_value): ... this.
6085 (get_value_hash): Use hash.
6086 (cselib_hash_rtx): Likewise.
6087 (new_cselib_val): Adjust. Set and dump uid.
6088 (cselib_lookup_mem): Pass next_uid as hash.
6089 (cselib_subst_to_values): Likewise.
6090 (cselib_log_lookup): Dump uid.
6091 (cselib_lookup): Pass next_uid as hash. Adjust.
6092 (cselib_process_insn): Adjust.
6093 (cselib_init): Initialize next_uid.
6094 (cselib_finish): Adjust.
6095 (dump_cselib_table): Likewise.
6096 * dse.c (canon_address): Dump value uid.
6097 * print-rtl.c (print_rtx): Print value uid.
6098 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6100 (dv_uid): New function, sort of renamed from...
6101 (dv_htab_hash): ... this, reimplemented in terms of it and...
6102 (dv_uid2hash): ... this. New.
6103 (variable_htab_eq): Drop excess assertions.
6104 (tie_break_pointers): Removed.
6105 (canon_value_cmp): Compare uids.
6106 (variable_post_merge_New_vals): Print uids.
6107 (vt_add_function_parameters): Adjust.
6108 (vt_initialize): Reset table. Adjust.
6110 2010-02-03 Richard Guenther <rguenther@suse.de>
6112 PR tree-optimization/42944
6113 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6114 (call_may_clobber_ref_p_1): Likewise. Properly handle
6115 malloc and calloc clobbering errno.
6117 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6119 * doc/invoke.texi: Fix name of sched1 dump.
6121 * opts.c (decode_options): Set flag_tree_switch_conversion
6122 only conditionally on optimize >= 2.
6124 * gcse.c: Assorted comment fixes in pass description.
6126 2010-02-03 Anthony Green <green@moxielogic.com>
6128 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6129 nop padding in order to maintain alignment of storage location of
6130 target function address.
6131 (moxie_trampoline_init): Store target function address at newly
6133 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6135 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6137 2010-02-03 Richard Guenther <rguenther@suse.de>
6140 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6142 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6144 * config.gcc: Reenable check for obsolete targets.
6145 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6146 mips-sgi-irix6.[0-4]*.
6148 2010-02-02 Nick Clifton <nickc@redhat.com>
6150 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6151 constant size of 4 as being the same as 0.
6152 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6153 can take values in the range 0..4.
6155 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6158 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6159 as _darwin10_Unwind_FindEnclosingFunction().
6160 * libgcc-libsystem.ver: New.
6162 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6165 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6166 implicitly set registers.
6168 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6170 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6171 (arm_override_options): Allow automatic selection of the thread
6172 pointer register if thumb2.
6173 (legitimize_pic_address): Improve code sequences for Thumb2.
6174 (arm_call_tls_get_addr): Likewise.
6175 (legitimize_tls_address): Likewise.
6176 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6177 (pic_load_addr_32bit): ... this. New named pattern.
6178 * thumb2.md (pic_load_addr_thumb2): Delete.
6179 (pic_load_dot_plus_four): Delete.
6180 (tls_load_dot_plus_four): New named pattern.
6182 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6185 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6186 Document fix for TLS bug.
6188 2010-01-31 Richard Guenther <rguenther@suse.de>
6190 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6191 conservatively correct.
6193 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6197 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6199 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6201 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6203 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6205 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6207 * config.gcc: Adjust order of makefile fragments for mingw targets.
6209 2010-01-31 Richard Guenther <rguenther@suse.de>
6212 * gimplify.c (gimplify_init_constructor): For volatile LHS
6213 initialize a temporary.
6215 2010-01-31 Matthias Klose <doko@ubuntu.com>
6217 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6219 * configure: Regenerate.
6221 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6223 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6224 the same alias set and their sizes different constantness.
6225 (aliasing_component_refs_p): Revert 2009-10-24 change.
6227 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6229 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6232 2010-01-29 Richard Guenther <rguenther@suse.de>
6234 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6235 Assert we successfully updated the call.
6237 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6239 PR rtl-optimization/42889
6240 * df.h (df_set_bb_dirty_nonlr): New prototype.
6241 * df-core.c (df_set_bb_dirty_nonlr): New function.
6242 * df-scan.c (df_insn_rescan): Call it instead of
6243 df_set_bb_dirty for DEBUG_INSNs.
6245 2010-01-29 Richard Guenther <rguenther@suse.de>
6248 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6249 quadratic behavior in most cases.
6251 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6254 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6255 in the call to gen_x86_movsicc_0_m1.
6257 2010-01-28 Richard Guenther <rguenther@suse.de>
6259 PR tree-optimization/42871
6260 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6262 2010-01-28 Richard Guenther <rguenther@suse.de>
6264 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6265 into call arguments.
6267 2010-01-28 Richard Guenther <rguenther@suse.de>
6270 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6271 the forwarder if the destination is an EH landing pad.
6273 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6275 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6276 block list passed to gimple_duplicate_sese_tail.
6277 (parallelize_loops): Avoid parallelization when the function
6279 Avoid parallelization when the preheader is IRREDUCIBLE.
6280 Try to optimize when estimated_loop_iterations_int is unresolved.
6281 Add the loop's location to the dump file.
6282 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6283 (gimple_duplicate_sese_tail): Remove the check for the latch.
6284 Redirect nexits to the exit block.
6285 Remove handling of the incoming edges to the latch.
6286 Redirect the backedge from the copied latch to the exit bb.
6288 2010-01-28 Michael Matz <matz@suse.de>
6291 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6292 Wrap force_reg into a sequence, emit it before user.
6294 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6296 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6298 (arm_legacy_rev): Likewise.
6299 (thumb_legacy_rev): Likewise.
6301 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6303 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6304 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6305 on MEM's address failed, try avoid_constant_pool_reference and
6306 recurse if it returned something different.
6307 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6308 address, try avoid_constant_pool_reference and recurse if it
6309 returned something different.
6310 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6311 address and avoid_constant_pool_reference returned something
6312 different, don't set have_address.
6314 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6317 * var-tracking.c (val_store): Add modified argument, obey it.
6319 (count_uses): Move down logging of main.
6320 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6321 don't need resolution.
6322 (emit_notes_in_bb): Likewise.
6324 2010-01-27 Richard Guenther <rguenther@suse.de>
6327 * tree-inline.c (remap_decl): Delay remapping of SSA name
6328 default definitions until we need them.
6330 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6332 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6333 (rs6000_delegitimize_address): New function.
6335 * config/s390/s390.c (s390_delegitimize_address): Call
6336 delegitimize_mem_from_attrs.
6339 * tree-inline.c (cannot_copy_type_1): Removed.
6340 (copy_forbidden): Don't forbid copying of functions containing
6341 records/unions with variable length fields.
6343 2010-01-27 Christian Bruel <christian.bruel@st.com>
6347 * config/sh/sh.c (find_barrier): Increase length for non delayed
6348 conditional branches.
6350 2010-01-27 Matthias Klose <doko@ubuntu.com>
6352 * configure.ac (gnu-unique-object): Fix ldd version check.
6353 * configure: Regenerate.
6355 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6357 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6359 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6360 Test for HAVE_GNU_AS value.
6362 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6364 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6365 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6366 INT64_TYPE): Define.
6367 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6368 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6369 INT_LEAST64_TYPE): Define.
6370 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6371 UINT_LEAST64_TYPE): Define.
6372 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6373 INT_FAST64_TYPE): Define.
6374 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6375 UINT_FAST64_TYPE): Define.
6376 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6377 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6378 (SIG_ATOMIC_TYPE): Define.
6380 2010-01-26 Richard Guenther <rguenther@suse.de>
6382 * df-scan.c (df_scan_set_bb_info): Remove assert.
6383 (df_insn_rescan_debug_internal): Merge asserts.
6384 (df_install_ref): Likewise.
6385 (df_mark_reg): Use bitmap_set_range.
6386 (df_hard_reg_used_p): Remove assert.
6387 (df_hard_reg_used_count): Likewise.
6389 2010-01-26 Richard Guenther <rguenther@suse.de>
6391 PR rtl-optimization/42685
6392 * web.c (web_main): Ignore DEBUG_INSNs.
6394 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6396 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6398 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6399 Fix types of fndecl and arglist parameters.
6401 2010-01-26 Richard Guenther <rguenther@suse.de>
6404 * tree-eh.c (unsplit_eh): Skip debug insns.
6406 2010-01-26 Richard Guenther <rguenther@suse.de>
6408 PR tree-optimization/42250
6409 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6411 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6414 * omp-low.c (expand_omp_sections): Only use single_pred if
6415 l2_bb is single_pred_p.
6417 2010-01-25 Christian Bruel <christian.bruel@st.com>
6420 * config/sh/sh.c (find_barrier): Increase length for non delayed
6421 conditional branches.
6422 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6424 2010-01-24 David S. Miller <davem@davemloft.net>
6426 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6427 define if not using GAS.
6428 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6429 Likewise. Delete SECTION_MERGE code, which is only applicable
6432 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6435 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6436 mangling of va_list in system headers.
6438 2010-01-23 Toon Moene <toon@moene.org>
6440 * tree-predcom.c (combine_chains): Return NULL, not false.
6442 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6444 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6445 initialization of variable res to agree with return type.
6447 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6449 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6450 * tree-sra.c: Add include of expr.h.
6452 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6454 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6455 insert the debug stmt on the single non-EH edge from the stmt.
6457 2010-01-22 Richard Henderson <rth@redhat.com>
6460 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6461 the RHS until after generate_subtree_copies has insertted its
6462 code before the current statement.
6464 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6466 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6468 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6470 2010-01-21 Martin Jambor <mjambor@suse.cz>
6472 PR tree-optimization/42585
6473 * tree-sra.c (struct access): New field grp_total_scalarization.
6474 (dump_access): Dump the new field.
6475 (should_scalarize_away_bitmap): New variable.
6476 (cannot_scalarize_away_bitmap): Likewise.
6477 (sra_initialize): Allocate new bitmaps.
6478 (sra_deinitialize): Free new bitmaps.
6479 (create_access_1): New function.
6480 (create_access): Parts moved to create_access_1.
6481 (type_consists_of_records_p): New function.
6482 (completely_scalarize_record): Likewise.
6483 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6484 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6485 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6487 (analyze_all_variable_accesses): Completely scalarize small eligible
6490 2010-01-21 Martin Jambor <mjambor@suse.cz>
6492 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6494 2010-01-21 Andrew Haley <aph@redhat.com>
6496 * gcc.c (process_command): Move lang_specific_driver before
6497 setting cc_libexec_prefix.
6499 2010-01-21 Richard Guenther <rguenther@suse.de>
6502 * fold-const.c (negate_expr_p): Pretend only negative
6503 real constants are easily negatable.
6505 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6506 Jason Merrill <jason@redhat.com>
6508 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6509 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6510 * calls.c (initialize argument_information): Handle it.
6511 * c-common.c (handle_transparent_union_attribute): Use new name.
6512 * c-decl.c (finish_struct): Ditto.
6513 * c-typeck.c (type_lists_compatible_p): Ditto.
6514 (convert_for_assignment): Use new name and also handle record.
6515 * function.c (aggregate_value_p): Handle it.
6516 (pass_by_reference): Ditto.
6517 (assign_parm_data_types): Ditto.
6518 * print-tree.c (print_node): Ditto.
6519 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6520 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6521 * tree.c (first_field): New fn.
6523 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6526 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6527 even when linking statically, for now.
6529 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6532 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6533 without a cselib val.
6534 (count_uses): Accept MO_VAL_SET with no val on stores.
6535 (add_stores): Likewise.
6537 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6539 * var-tracking.c (check_value_val): Add a compile time assertion.
6540 (dv_is_decl_p): Simplify.
6541 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6542 gcc_assert if ENABLE_CHECKING.
6544 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6547 * var-tracking.c: Include tree-flow.h.
6548 (mem_dies_at_call): New.
6549 (dataflow_set_preserve_mem_locs): Use it.
6550 (dataflow_set_remove_mem_locs): Likewise.
6551 (dump_var): Renamed from dump_variable. Adjust all callers.
6552 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6553 * Makefile.in (var-tracking.o): Adjust deps.
6555 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6557 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6559 2010-01-20 Richard Guenther <rguenther@suse.de>
6561 PR tree-optimization/42717
6562 * tree-ssa-dce.c (get_live_post_dom): Remove.
6563 (forward_edge_to_pdom): Take an arbitrary edge to copy
6564 degenerate PHI args from.
6565 (remove_dead_stmt): Use the first post-dominator even if it
6566 does not contain live statements as redirection destination.
6568 2010-01-20 Richard Guenther <rguenther@suse.de>
6570 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6572 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6574 * sel-sched.c (create_speculation_check): Remove set but not used
6576 (try_transformation_cache): Remove set but not used variable ds.
6577 (calculate_privileged_insns): Remove set but not used variables
6578 cur_insn and min_spec_insn.
6579 (find_best_expr): Remove set but not used variable avail_n.
6580 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6582 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6584 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6585 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6588 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6591 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6592 cpu types. Add support for *-sse3 cpu types.
6593 (x86_64-*-*): Ditto.
6595 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6598 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6599 argument, call initializer_constant_valid_p_1 instead of
6600 initializer_constant_valid_p, pass CACHE to it, return NULL
6601 immediately if first call returns NULL.
6602 (initializer_constant_valid_p_1): New function.
6603 (initializer_constant_valid_p): Use it.
6605 2010-01-20 Thomas Quinot <quinot@adacore.com>
6607 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6609 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6611 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6612 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6613 (loc_list_from_tree): Don't handle unsigned division. Handle
6614 signed modulo using DW_OP_{over,over,div,mul,minus}.
6615 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6616 modulo instead of signed.
6618 2010-01-20 DJ Delorie <dj@redhat.com>
6620 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6622 (h8300_emit_stack_adjustment): Propogate it.
6624 (h8300_expand_prologue): Likewise.
6625 (h8300_expand_epilogue): Likewise.
6627 2010-01-19 Michael Matz <matz@suse.de>
6629 PR tree-optimization/41783
6630 * tree-data-ref.c (toplevel): Include flags.h.
6631 (dump_data_dependence_relation): Also dump the inputs if the
6632 result will be unknown.
6633 (split_constant_offset_1): Look through some conversions.
6634 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6635 the offset from last element is too large.
6636 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6637 (reassociate_to_the_same_stmt): Handle vector registers.
6638 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6640 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6641 wide_prolog_niters argument, emit widening instructions.
6642 (vect_do_peeling_for_alignment): Adjust caller, use widened
6643 variant of the iteration cound.
6644 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6646 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6649 * config/arm/neon-testgen.m (emit_automatics): New parameter
6650 features. Adjust for Fixed_return_reg feature.
6651 (test_intrinsic): Call emit_automatics with new feature.
6652 * config/arm/neon.ml: Update copyright years.
6653 (features): New Fixed_return_reg feature.
6654 (ops): Update feature for Vget_low.
6656 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6658 PR tree-optimization/42719
6659 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6663 * fwprop.c (all_uses_available_at): Return false if def_set dest
6664 is a REG that is used in def_insn.
6666 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6668 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6670 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6673 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6675 * target.h (struct gcc_target) <secondary_reload>: Change type
6676 of last argument to secondary_reload_info *.
6678 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6681 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6682 memory references with unaligned offsets. Remove CQImode handling.
6683 (unaligned_memory_operand): Return 1 for memory references with
6684 unaligned offsets. Remove CQImode handling.
6686 2010-01-18 Richard Guenther <rguenther@suse.de>
6689 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6692 2010-01-18 Richard Guenther <rguenther@suse.de>
6694 PR tree-optimization/42781
6695 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6696 restrict processing only if the original variable was artificial.
6698 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6700 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6701 find number of popped argument bytes.
6703 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6704 Fix the text that describes the return value for invalid insns.
6706 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6708 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6709 Clarify what 'cost of the -dependence' is. Fix quoting.
6711 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6712 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6714 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6716 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6717 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6719 2010-01-17 Richard Guenther <rguenther@suse.de>
6722 * function.c (split_complex_args): Take a VEC to modify.
6723 (assign_parms_augmented_arg_list): Build a VEC instead of
6724 a chain of PARM_DECLs.
6725 (assign_parms_unsplit_complex): Take a VEC of arguments.
6726 Do not fixup unmodified parms.
6727 (assign_parms): Deal with the VEC.
6728 (gimplify_parameters): Likewise.
6730 2010-01-17 Richard Guenther <rguenther@suse.de>
6732 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6733 node existence check.
6734 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6735 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6736 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6737 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6738 (gimple_execute_on_growing_pred): Likewise.
6740 2010-01-17 Richard Guenther <rguenther@suse.de>
6742 PR tree-optimization/42773
6743 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6744 (compute_antic_aux): Likewise.
6745 (compute_partial_antic_aux): Likewise.
6747 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6750 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6753 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6755 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6758 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6759 Fix markup for strict argument.
6761 (TARGET_SCHED_REORDER2): Fix argument types.
6763 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6764 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6766 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6767 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6769 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6772 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6773 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6774 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6775 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6776 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6778 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6780 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6782 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6783 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6785 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6787 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6790 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6792 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6793 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6795 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6797 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6799 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6800 referring to it. Fix language.
6802 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6804 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6806 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6808 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6810 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6811 '@var{stream}. Remove stray 'and'.
6813 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6815 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6817 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6819 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6820 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6822 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6823 Fix description of return value.
6824 Rename argument "sz" to "len."
6826 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6827 Clarify meaning of 'true' return value.
6829 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6831 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6832 rep_mode versus mode_rep.
6834 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6836 (TARGET_BUILTIN_DECL): Fix name.
6838 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6840 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6842 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6844 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6846 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6848 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6851 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6852 Rename argument tm_fn to md_fn.
6854 (TARGET_OPTION_PRINT): Fix argument list.
6856 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6859 * config/i386/i386.c (ix86_fixup_binary_operands):
6860 Revert FMA4 fixup of operands.
6862 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6865 * Makefile.in (write_entries_to_file, install-plugin):
6866 Use \012 instead of \n with tr.
6868 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6870 * configure.ac (HAVE_AS_REF): New C macro.
6871 * configure: Regenerate.
6872 * config.in: Likewise.
6873 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6875 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6878 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6880 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6882 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6884 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6886 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6888 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6890 (TARGET_BINDS_LOCAL_P): Fix argument type.
6892 (TARGET_ASM_FILE_END): Use prototype.
6894 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6896 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6898 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6900 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6902 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6903 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6905 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6906 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6908 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6909 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6910 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6911 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6913 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6915 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6917 (TARGET_INIT_BUILTINS): Use prototype.
6919 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6920 Put 'const char *' in braces. Fix parameter types.
6921 (TARGET_INVALID_CONVERSION): Fix parameter types.
6922 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6923 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6925 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6928 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6930 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6932 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6934 * doc/tm.texi (TARGET_HELP): Fix return type.
6936 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6937 in braces. Fix argument types.
6939 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6941 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6943 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6945 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6946 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6948 (TARGET_MANGLE_TYPE): Fix argument types.
6950 (TARGET_IRA_COVER_CLASSES): Use prototype.
6952 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6954 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6956 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6958 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6960 (TARGET_CALLEE_COPIES): Fix argument types.
6962 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6964 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6966 (TARGET_FUNCTION_VALUE): Fix argument types.
6968 (TARGET_RETURN_IN_MSB): Fix argument type.
6970 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6972 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6974 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6976 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6977 agree with return type.
6979 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6981 2010-01-15 Jing Yu <jingyu@google.com>
6983 PR rtl-optimization/42691
6984 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6985 a pseudo to a constant and are merged, and adjust comments.
6987 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6989 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6991 2010-01-15 Richard Guenther <rguenther@suse.de>
6994 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6995 labels of computed or non-local gotos to the destination.
6996 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6997 landing pad label is the first label.
6999 2010-01-15 Richard Guenther <rguenther@suse.de>
7001 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7003 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7006 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7007 to allow generation of the xssqrtdp instruction on power7.
7008 (sqrtdf2_fpr): Ditto.
7010 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7013 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7014 functions with noreturn attribute.
7017 * varasm.c (declare_weak): Add weak attribute to decl if it
7018 doesn't have one already.
7019 (assemble_external): Only add decls to weak_decls if they also
7020 have weak attribute.
7022 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7024 * var-tracking.c (var_reg_delete): Don't delete the association
7025 between REGs and values or one-part variables if the register
7028 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7031 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7032 because its first operand is a non-localized variable.
7034 2010-01-14 Martin Jambor <mjambor@suse.cz>
7036 PR tree-optimization/42706
7037 * tree-sra.c (encountered_recursive_call): New variable.
7038 (encountered_unchangable_recursive_call): Likewise.
7039 (sra_initialize): Initialize both new variables.
7040 (callsite_has_enough_arguments_p): New function.
7041 (scan_function): Call decl and flags check only for IPA-SRA, check
7042 whether there is a recursive call and whether it has enough arguments.
7043 (all_callers_have_enough_arguments_p): New function.
7044 (convert_callers): Look for recursive calls only when
7045 encountered_recursive_call is set.
7046 (ipa_early_sra): Bail out either if
7047 !all_callers_have_enough_arguments_p or
7048 encountered_unchangable_recursive_call.
7050 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7052 * sel-sched.c: Add 2010 to copyright years.
7053 * sel-sched-ir.c: Likewise.
7054 * sel-sched-ir.h: Likewise.
7056 2010-01-14 Martin Jambor <mjambor@suse.cz>
7058 PR tree-optimization/42714
7059 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7060 constructors specially.
7062 2010-01-14 Andi Kleen <ak@linux.intel.com>
7064 * config/i386/drivers-i386.c (detect_caches_intel):
7065 Add l2sizekb parameter and fill in.
7066 (host_detect_local_cpu): Add l2sizekb, fill in.
7067 Add Atom small cache heuristic.
7069 2010-01-14 Andi Kleen <ak@linux.intel.com>
7071 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7072 Add level3 parameter and fill in.
7073 (detect_caches_intel): Handle level3 cache.
7075 2010-01-14 Andi Kleen <ak@linux.intel.com>
7077 * config/i386/drivers-i386.c (host_detect_local_cpu):
7078 Fix core duo detection.
7080 2010-01-14 Andi Kleen <ak@linux.intel.com>
7082 * config/i386/drivers-i386.c (host_detect_local_cpu):
7085 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7087 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7088 (rs6000_variable_issue_1): this. Use...
7089 (rs6000_variable_issue): here. Reimplement. Print debug info.
7091 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7093 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7094 sel_restore_notes. Update all callers. Call reemit_notes
7097 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7099 PR rtl-optimization/42246
7100 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7103 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7105 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7106 all successors is the same as number of successors in current region.
7108 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7110 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7111 to rename is not separable. Otherwise check that its LHS is not NULL.
7113 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7115 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7117 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7119 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7120 available registers when failed to discover LHS register class.
7121 Fix indentation. Update comment.
7123 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7124 Alexander Monakov <amonakov@ispras.ru>
7126 PR rtl-optimization/42389
7127 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7129 (advance_state_on_fence): Likewise.
7130 (sel_target_adjust_priority): Print debug output only when
7131 sched_verbose >= 4, not 2.
7132 (get_expr_cost): Do not issue all unique insns on the next cycle.
7133 (fill_insns): Initialize can_issue_more from the value saved
7135 * sel-sched-ir.c (flist_add): New parameter issue_more.
7136 Init FENCE_ISSUE_MORE with it.
7137 (merge_fences): Likewise.
7138 (init_fences): Update call to flist_add.
7139 (add_to_fences, add_clean_fence_to_fences)
7140 (add_dirty_fence_to_fences): Likewise.
7141 (move_fence_to_fences): Update call to merge_fences.
7142 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7144 * sel-sched-ir.h (struct _fence): New field issue_more.
7145 (FENCE_ISSUE_MORE): New accessor macro.
7147 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7149 PR rtl-optimization/42388
7150 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7151 that have no predecessors nor successors. Do not call move_bb_info
7152 for empty blocks outside of current region.
7154 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7156 PR rtl-optimization/42294
7157 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7158 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7159 originators' originators.
7161 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7163 PR rtl-optimization/39453
7164 PR rtl-optimization/42246
7165 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7167 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7169 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7170 Alexander Monakov <amonakov@ispras.ru>
7173 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7174 (maybe_tidy_empty_bb): ... here. Make static. Add new
7175 argument. Update all callers.
7176 (tidy_control_flow): ... and here. Recompute topological order
7177 of basic blocks in region if necessary.
7178 (sel_redirect_edge_and_branch): Change return type. Return true
7179 if topological order might have been invalidated.
7180 (purge_empty_blocks): Export and move from...
7181 * sel-sched.c (purge_empty_blocks): ... here.
7182 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7183 (maybe_tidy_empty_bb): Delete prototype.
7184 (purge_empty_blocks): Declare.
7186 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7188 PR rtl-optimization/42249
7189 * sel-sched.c (try_replace_dest_reg): When chosen register
7190 and original register is the same, do not bail out early, but
7191 still check all original insns for validity of replacing destination
7192 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7195 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7198 Port from no-undefined-overflow branch:
7199 2009-03-09 Richard Guenther <rguenther@suse.de>
7201 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7203 2010-01-14 Richard Guenther <rguenther@suse.de>
7206 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7208 2010-01-14 Ira Rosen <irar@il.ibm.com>
7210 PR tree-optimization/42709
7211 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7212 as scalar type in creation of constant vector operand.
7214 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7217 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7218 (check-parallel-%): Match `testsuite' directory component only
7221 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7223 PR translation/39521
7224 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7227 2010-01-13 Richard Guenther <rguenther@suse.de>
7229 PR tree-optimization/42730
7230 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7233 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7236 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7237 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7240 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7242 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7243 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7244 ___umulsi3_highpart.
7246 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7247 rather than schedule_insns if the pass is enabled.
7249 2010-01-13 Martin Jambor <mjambor@suse.cz>
7251 PR tree-optimization/42704
7252 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7255 2010-01-13 Martin Jambor <mjambor@suse.cz>
7257 PR tree-optimization/42703
7258 * tree-sra.c (analyze_access_subtree): Check that we can build a
7259 reference to the original data within the aggregate.
7261 2010-01-13 Richard Guenther <rguenther@suse.de>
7263 PR tree-optimization/42705
7264 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7266 2010-01-13 Richard Guenther <rguenther@suse.de>
7269 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7271 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7274 * var-tracking.c (values_to_unmark): New variable.
7275 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7276 values_to_unmark vector. Moved body to...
7277 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7278 instead queue it into values_to_unmark vector.
7279 (vt_find_locations): Free values_to_unmark vector.
7281 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7283 * config/s390/s390.c (override_options): Set
7284 default of max-pending-list-length to 256
7286 2010-01-13 Richard Guenther <rguenther@suse.de>
7289 * tree-pass.h (PROP_gimple_lcx): New.
7290 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7291 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7292 before the final cleanup_eh.
7293 (dump_properties): Dump PROP_gimple_lcx.
7294 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7295 (tree_lower_complex_O0): Remove.
7296 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7297 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7298 tree_lower_complex, schedule TODO_update_ssa.
7299 * lto-streamer-out.c (output_function): Stream the functions
7301 * lto-streamer-in.c (input_function): Likewise.
7302 (lto_read_body): Do not override them here.
7304 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7307 * c-typeck.c (build_c_cast): Fold value cast to union type before
7308 wrapping it in a CONSTRUCTOR.
7310 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7312 PR rtl-optimization/42699
7313 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7316 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7318 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7319 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7320 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7321 SUBTARGET_WARN_UNUSED_SPEC): ... here
7322 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7324 2010-01-12 Julian Brown <julian@codesourcery.com>
7326 * config/arm/neon-schedgen.ml (Utils): Don't try to
7327 open missing module.
7328 (find_with_result): New.
7330 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7333 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7334 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7336 PR tree-optimization/42645
7337 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7338 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7339 decl_map, set processing_debug_stmt to -1 and return name without
7342 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7344 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7345 binutils version, and reword target configuration description.
7347 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7349 * config/avr/avr.h (LINKER_NAME): Remove.
7351 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7354 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7355 that support VSX, warn for -mno-altivec if vsx is not disabled,
7358 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7359 Shujing Zhao <pearly.zhao@oracle.com>
7361 PR translation/42469
7362 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7363 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7364 character between option name and help text.
7365 * c.opt (imultilib): Likewise.
7367 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7369 * lto-streamer-out.c (output_unreferenced_globals): Output static
7372 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7374 PR rtl-optimization/42621
7375 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7376 optimizing for size.
7377 (duplicate_computed_gotos): Remove now-redundant check.
7379 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7382 * configure.ac: Save and restore LDFLAGS and LIBS
7383 * configure: Regenerate.
7385 2010-01-10 Richard Guenther <rguenther@suse.de>
7388 * builtins.c (fold_builtin_strlen): Add type argument and
7389 convert the resulting length to it.
7390 (fold_builtin_1): Adjust.
7392 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7394 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7395 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7397 (num_insns_constant_wide): Adjust for that change.
7399 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7402 * web.c (union_defs): Add used argument, to combine uses of
7404 (entry_register): Adjust type and tests of used argument.
7405 (web_main): Widen used for new use. Pass it to union_defs.
7406 * df.h (union_defs): Adjust prototype.
7408 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7411 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7412 uses in new incoming argument. Free body.
7413 (reset_debug_uses_in_loop): New.
7414 (analyze_insn_to_expand_var): Call the latter if the former found
7415 anything. Fix whitespace. Reject invalid dest overlaps before
7416 going through all insns in the loop.
7418 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7421 * haifa-sched.c (dying_use_p): Debug insns don't count.
7423 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7426 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7427 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7428 (verify_gimple_call): Reject LHS in noreturn calls.
7430 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7434 * tree-vect-loop-manip.c (adjust_info): New type.
7435 (adjust_vec): New pointer to vector.
7436 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7437 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7438 (slpeel_update_phis_for_duplicate_loop): Use them.
7439 (slpeel_update_phi_nodes_for_guard1): Likewise.
7440 (slpeel_update_phi_nodes_for_guard2): Likewise.
7441 (slpeel_tree_peel_loop_to_edge): Likewise.
7442 (vect_update_ivs_after_vectorizer): Likewise.
7444 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7446 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7447 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7449 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7451 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7452 bogus uninitialized warning.
7454 2010-01-09 Richard Guenther <rguenther@suse.de>
7457 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7458 the evolution is compatible with the initial condition.
7460 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7462 * gcc.c (process_command): Update copyright notice dates.
7463 * gcov.c (print_version): Likewise.
7464 * gcov-dump.c (print_version): Likewise.
7465 * mips-tfile.c (main): Likewise.
7466 * mips-tdump.c (main): Likewise.
7468 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7471 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7473 (rotlhi3_8): Delete.
7475 (rotlsi3_8): Delete.
7476 (rotlsi3_16): Delete.
7477 (rotlsi3_24): Delete.
7479 (*rotw<mode>3): New.
7480 (*rotb<mode>3): New.
7481 * config/avr/avr.c (avr_rotate_bytes): New function.
7482 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7484 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7487 * configure.ac: Modify -rdynamic check.
7488 * configure: Regenerate.
7490 2010-01-08 DJ Delorie <dj@redhat.com>
7492 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7493 register popping order.
7495 2010-01-08 Richard Guenther <rguenther@suse.de>
7498 * c.opt (fsigned-char): Also let LTO handle this option.
7499 (funsigned-char): Likewise.
7501 2010-01-07 Richard Guenther <rguenther@suse.de>
7503 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7504 (gimple_op): Likewise.
7505 (gimple_op_ptr): Likewise.
7506 (gimple_assign_set_lhs): Remove gcc_assert.
7507 (gimple_assign_set_rhs1): Likewise.
7508 (gimple_assign_set_rhs2): Likewise.
7509 (gimple_call_set_lhs): Likewise.
7510 (gimple_call_set_fn): Likewise.
7511 (gimple_call_set_fndecl): Likewise.
7512 (gimple_call_fndecl): Likewise.
7513 (gimple_call_return_type): Likewise.
7514 (gimple_call_set_chain): Likewise.
7515 (gimple_call_num_args): Likewise.
7516 (gimple_call_set_arg): Likewise.
7517 (gimple_cond_set_code): Likewise.
7518 (gimple_cond_set_lhs): Likewise.
7519 (gimple_cond_set_rhs): Likewise.
7520 (gimple_cond_set_true_label): Likewise.
7521 (gimple_cond_set_false_label): Likewise.
7522 (gimple_label_set_label): Likewise.
7523 (gimple_goto_set_dest): Likewise.
7524 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7525 (gimple_debug_bind_get_value): Likewise.
7526 (gimple_debug_bind_get_value_ptr): Likewise.
7527 (gimple_debug_bind_set_var): Likewise.
7528 (gimple_debug_bind_set_value): Likewise.
7529 (gimple_debug_bind_reset_value): Likewise.
7530 (gimple_debug_bind_has_value_p): Likewise.
7531 (gimple_return_retval_ptr): Remove gcc_assert.
7532 (gimple_return_retval): Likewise.
7533 (gimple_return_set_retval): Likewise.
7534 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7535 (safe_referenced_var_iterator): Remove.
7536 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7537 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7538 (fill_referenced_var_vec): Remove.
7539 (first_readonly_imm_use): Remove redundant gcc_assert.
7540 (phi_arg_index_from_use): Combine gcc_asserts.
7541 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7542 (first_imm_use_stmt): Remove redundant gcc_assert.
7543 * tree-cfg.c (verify_gimple_call): Verify function and chain
7544 operands. Verify arguments.
7545 (verify_types_in_gimple_stmt): Verify condition code and labels.
7547 2010-01-07 Richard Guenther <rguenther@suse.de>
7549 PR tree-optimization/42641
7550 * sese.c (rename_map_elt_info): Use the SSA name version, do
7553 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7555 PR tree-optimization/42625
7556 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7557 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7559 2010-01-07 Duncan Sands <baldrick@free.fr>
7561 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7563 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7566 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7567 note itself is not function_invariant_p.
7569 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7571 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7572 Do not add the DF_NOTE problem.
7573 * store-motion.c (execute_rtl_store_motion): Likewise.
7575 2010-01-07 Martin Jambor <mjambor@suse.cz>
7577 PR tree-optimization/42157
7578 * tree-sra.c (compare_access_positions): Stabilize sort if both
7579 accesses have integer types, return zero immediately if they are the
7582 2010-01-06 Richard Henderson <rth@redhat.com>
7585 * haifa-sched.c (add_to_note_list): Merge into ...
7586 (concat_note_lists): ... here, and ...
7587 (unlink_other_notes, rm_other_notes): Merge into...
7588 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7589 NOTE_INSN_EPILOGUE_BEG.
7591 2010-01-06 Richard Guenther <rguenther@suse.de>
7593 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7594 not inline regular functions into always-inline functions.
7596 2010-01-06 Nick Clifton <nickc@redhat.com>
7598 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7599 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7601 (OVERRIDE_OPTIONS): Delete.
7602 (OPTIMIZATION_OPTIONS): Define.
7603 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7604 * config/rx/rx.c (rx_handle_option): Issue an error message if
7605 -mcpu=rx200 and -fpu are used together.
7606 (rx_set_optimization_options): New function. Issue an error
7607 message if an optimization attribute attempts to reset the FPU/
7608 math optimization pairing.
7609 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7610 * config/rx/rx.opt: Set the default to 32-bit doubles.
7611 * config/rx/t-rx: Add multilibs for -nofpu option.
7612 * doc/invoke.texi: Update documentation of RX options.
7614 2010-01-06 Richard Guenther <rguenther@suse.de>
7616 * tree-ssa-pre.c (name_to_id): New global.
7617 (alloc_expression_id): Simplify SSA name handling.
7618 (lookup_expression_id): Likewise.
7619 (init_pre): Zero name_to_id.
7620 (fini_pre): Free it.
7622 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7624 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7626 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7629 * config/i386/sse.md (smaxv2di3): New.
7630 (umaxv2di3): Likewise.
7631 (sminv2di3): Likewise.
7632 (uminv2di3): Likewise.
7634 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7637 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7638 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7639 (legitimize_tls_address): Likewise.
7640 (sparc_tls_referenced_p): Likewise.
7641 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7642 and adjust calls to legitimize_pic_address.
7643 (legitimate_constant_p) Use sparc_tls_referenced_p.
7644 (legitimate_pic_operand_p): Likewise.
7645 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7646 (sparc_tls_symbol_ref_1): Delete.
7647 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7648 (legitimize_tls_address): Make static, handle CONST patterns.
7649 (legitimize_pic_address): Make static, remove unused parameter and
7650 adjust recursive calls.
7651 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7652 and adjust call to legitimize_pic_address.
7653 (sparc_output_mi_thunk): Likewise.
7655 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7656 H.J. Lu <hongjiu.lu@intel.com>
7659 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7660 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7661 operands to make them signed.
7664 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7667 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7668 GTU to GT for V4SI and V2DI.
7670 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7671 (umin<mode>3): Removed.
7673 (uminv4si3): Likewise.
7675 2010-01-05 Martin Jambor <mjambor@suse.cz>
7677 PR tree-optimization/42462
7678 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7679 current_function_decl to helper functions and macros.
7681 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7684 * flags.h: Don't include real.h.
7685 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7686 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7687 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7688 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7689 * dominance.c: Update copyright.
7690 * gimple.c (walk_gimple_op): Remove inline.
7691 * tree-ssa-reassoc.c: Include real.h.
7692 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7693 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7695 2010-01-05 Nick Clifton <nickc@redhat.com>
7697 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7698 register to push into the stack frame when the accumulator has to
7699 be saved during interrupts.
7701 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7703 * doc/invoke.texi: Remove the documentation about option
7705 * common.opt (Wunreachable-code): Preserved for backward
7707 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7708 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7709 the backward compatibility flag section.
7711 2010-01-05 Richard Guenther <rguenther@suse.de>
7713 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7715 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7718 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7720 PR tree-optimization/42508
7721 * tree-sra.c (convert_callers): Check for recursive call
7722 by comparing cgraph nodes instead of decls.
7723 (modify_function): Call ipa_modify_formal_parameters also
7724 on all same_body aliases.
7726 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7727 cgraph nodes when checking for same_body aliases.
7729 2010-01-05 Richard Guenther <rguenther@suse.de>
7731 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7732 allocation and lookup.
7733 (get_or_alloc_expr_for_constant): Likewise.
7734 (phi_translate): Sink allocation.
7736 2010-01-04 Richard Guenther <rguenther@suse.de>
7738 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7739 a new entry only if needed.
7740 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7741 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7743 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7745 (phi_translate): Handle CONSTANTs early.
7747 2010-01-04 Martin Jambor <mjambor@suse.cz>
7749 PR tree-optimization/42398
7750 * tree-sra.c (struct access): Removed flag grp_different_types.
7751 (dump_access): Do not dump the removed flag.
7752 (sort_and_splice_var_accesses): Do not set the removed flag.
7753 (sra_modify_expr): Check for type compatibility directly.
7755 2010-01-04 Martin Jambor <mjambor@suse.cz>
7757 PR tree-optimization/42366
7758 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7759 edges with variable number of parameters.
7760 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7761 flag instead of asserting it.
7762 (ipa_read_node_info): Read uses_analysis_done flag.
7764 2010-01-04 Richard Guenther <rguenther@suse.de>
7766 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7767 iterative_hash_* as intended.
7768 (vn_reference_compute_hash): Likewise. Simplify hashing
7770 (vn_reference_lookup_2): Likewise.
7771 (vn_nary_op_compute_hash): Likewise.
7772 (vn_phi_compute_hash): Likewise.
7773 (expressions_equal_p): Remove strange code.
7774 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7775 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7776 (bitmap_insert_into_set_1): Take value-id as parameter.
7777 (add_to_value): Pass it.
7778 (bitmap_insert_into_set): Likewise.
7779 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7781 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7784 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7785 (do_self_spec): For switches with SWITCH_IGNORE set set also
7786 SWITCH_IGNORE_PERMANENTLY.
7787 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7790 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7792 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7793 tree of an unreferenced global var.
7795 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7798 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7799 GTU to GT for V4SI and V2DI.
7801 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7802 (umin<mode>3): Removed.
7804 (uminv4si3): Likewise.
7806 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7809 * collect2.c (main): Turn on trace in collect2 if -v is passed
7812 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7814 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7815 description of expression operand.
7817 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7819 * configure.ac: Add install-html to target_list for Make-hooks.
7820 * configure: Regenerate.
7821 * fortran/Make-lang.in (F95_HTMLFILES): New.
7822 (fortran.html): Use it.
7823 (fortran.install-html): New.
7824 * Makefile.in (install-html): Add lang.install-html.
7825 * java/Make-lang.in (JAVA_HTMLFILES): New.
7826 (java.html): Use it.
7827 (java.install-html): New.
7828 * objc/Make-lang.in (objc.install-html): New.
7829 * objcp/Make-lang.in (obj-c++.install-html): New.
7830 * cp/Make-lang.in (c++.install-html): New.
7831 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7832 * lto/Make-lang.in (lto.install-html): New.
7834 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7837 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7839 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7841 PR rtl-optimization/41862
7842 * store-motion.c (store_killed_in_insn, compute_store_table,
7843 remove_reachable_equiv_notes, replace_store_insn,
7844 build_store_vectors): Ignore all DEBUG_INSNs.
7846 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7849 * common.opt: Add dumpdir.
7851 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7853 (option_map): Add --dumpdir.
7855 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7857 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7859 * opts.c (decode_options): Try dump_dir_name first if
7860 dump_base_name isn't an absolute path.
7861 (common_handle_option): Handle OPT_dumpdir.
7863 * toplev.c (dump_dir_name): New.
7864 (print_switch_values): Also ignore -dumpdir.
7866 * toplev.h (dump_dir_name): New.
7868 2010-01-03 Richard Guenther <rguenther@suse.de>
7870 PR tree-optimization/42589
7871 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7872 double-word expansion of bswap32.
7874 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7876 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7877 with BLOCK_FOR_INSN.
7878 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7879 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7880 noce_process_if_block): Likewise.
7881 * gcse.c (compute_local_properties, insert_expr_in_table,
7882 insert_set_in_table, canon_list_insert, find_avail_set,
7883 pre_insert_copy_insn): Likewise.
7885 * basic-block.h (BLOCK_NUM): Move from here...
7886 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7888 2010-01-03 Richard Guenther <rguenther@suse.de>
7890 PR tree-optimization/42438
7891 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7892 contains_may_not_return_call flag.
7893 (BB_MAY_NOTRETURN): New.
7894 (valid_in_sets): Trapping nary operations are not valid
7895 in blocks that may not return.
7896 (insert_into_preds_of_block): Remove check for trapping expressions.
7897 (compute_avail): Compute also BB_MAY_NOTRETURN.
7899 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7901 * doc/invoke.texi: Add 2010 to copyright years.
7903 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7905 * config/sparc/sparc.c: Fix formatting nits.
7907 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7908 Alexander Monakov <amonakov@ispras.ru>
7910 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7912 2010-01-02 Richard Guenther <rguenther@suse.de>
7915 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7916 (simplify_switch_using_ranges): Mark to be removed edges
7919 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7921 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7923 * collect2.c (scan_libraries): Add missing argument in call to
7926 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7929 * config/alpha/predicates.md (aligned_memory_operand): Return false
7931 (unaligned_memory_operand): Return true for CQImode.
7932 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7933 doesn not cross aligned SImode word boundary.
7935 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7937 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7939 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7940 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7942 2010-01-02 Richard Guenther <rguenther@suse.de>
7945 * toplev.c (compile_file): Emit LTO marker properly. Change
7947 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7949 2010-01-01 Richard Guenther <rguenther@suse.de>
7952 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7954 2010-01-01 Richard Guenther <rguenther@suse.de>
7957 * c-decl.c (grokdeclarator): For zero-size arrays force
7958 structural equality checks as layout_type does.
7960 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7962 * builtins.c: Update copyright to 2010.
7964 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7967 * lto-streamer-out.c (produce_asm): Revert the last change.
7968 (copy_function): Likewise.
7970 * lto-streamer.c (lto_get_section_name): Skip any leading
7973 2010-01-01 Richard Guenther <rguenther@suse.de>
7976 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7980 Copyright (C) 2010 Free Software Foundation, Inc.
7982 Copying and distribution of this file, with or without modification,
7983 are permitted in any medium without royalty provided the copyright
7984 notice and this notice are preserved.