1 2010-04-30 Jan Hubicka <jh@suse.cz>
3 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
6 2010-04-30 Jan Hubicka <jh@suse.cz>
8 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
11 2010-04-30 Richard Guenther <rguenther@suse.de>
13 * tree-ssa-structalias.c (get_constraint_for_1): Generate
14 constraints for CONSTRUCTOR.
16 2010-04-30 Richard Guenther <rguenther@suse.de>
19 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
20 first after all lowering passes.
22 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
24 * toplev.c: Include varray.h for statistics dumping.
25 * tree.h: Do not declare varray_head_tag.
26 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
27 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
28 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
29 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
30 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
31 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
32 c-common.c, c-common.h, reg-stack.c, basic-block.h,
33 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
35 * Makefile.in: Update for abovementioned changes.
37 2010-04-30 Jakub Jelinek <jakub@redhat.com>
40 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
42 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
44 * config/picochip/picochip.c (picochip_legitimize_address): Define.
45 Use this function to do machine-specific conversion.
46 (picochip_legitimize_reload_address): Likewise.
47 (picochip_legitimate_address_p): Check valid base register only if
49 (picochip_check_conditional_copy): Check for modw only if opnd is
51 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
52 to call the function in c.
53 * config/picochip/picochip-protos.h
54 (picochip_legitimize_reload_address): Define.
55 * config/picochip/picochip.md (supported_compare1): Define.
57 2010-04-30 Jan Hubicka <jh@suse.cz>
59 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
60 (cgraph_global_info): Remove inlined.
61 (LTO_cgraph_tag_names): Remove.
62 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
63 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
64 simplify cgraph tags and document.
65 (lto_output_node): Use only LTO_cgraph_unavail_node and
66 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
67 for_functions_valid, global info, process and output
69 (input_overwrite_node): Initialize estimated stack size and
71 Do not read flags we no longer store.
72 (input_node): Likewise do not read info no longer stored.
73 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
76 2010-04-30 Richard Guenther <rguenther@suse.de>
78 PR tree-optimization/43879
79 * tree-ssa-structalias.c (get_constraint_for_1): Properly
80 handle non-zero initializers.
82 2010-04-30 Richard Guenther <rguenther@suse.de>
84 * builtins.c (fold_builtin_1): Delete free (0).
86 2010-04-29 Jan Hubicka <jh@suse.cz>
88 * gengtype.c (open_base_files): Add lto-streamer.h
89 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
90 (pass_ipa_cp): GGC collect.
91 * toplev. (compile_file): Do not output symbols.
92 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
93 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
94 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
95 * lto-section-in.c: Include ggc.h
96 (lto_new_in_decl_state): Alloc in GGC.
97 (lto_delete_in_decl_state): Likewise.
98 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
100 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
103 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
104 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
105 (HONOR_REG_ALLOC_ORDER): Describe new macro.
106 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
107 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
108 account only if HONOR_REG_ALLOC_ORDER is not defined.
109 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
110 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
112 2010-04-29 Jon Grant <04@jguk.org>
114 * collect2.c (vflag): Change type from int to bool.
116 (helpflag): New global bool.
117 (main): Set vflag and debug with boolean, not integer truth
118 values. Accept new "--help" option and output usage text if
120 * collect2.h (vflag): Update prototype.
123 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
126 * plugin.h (flag_plugin_added): Moved out of
127 invoke_plugin_callbacks.
129 2010-04-29 Richard Guenther <rguenther@suse.de>
132 * plugin.h (invoke_plugin_callbacks): Annotate arguments
133 with ATTRIBUTE_UNUSED.
135 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
138 * config/i386/i386.c (get_some_local_dynamic_name): Replace
139 INSN_P with NONDEBUG_INSN_P.
140 (distance_non_agu_define): Likewise.
141 (distance_agu_use): Likewise.
143 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
145 From Dominique d'Humieres <dominiq@lps.ens.fr>
147 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
150 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
152 * plugin.h (invoke_plugin_callbacks): New inline function.
153 * plugin.c (flag_plugin_added): New global flag.
154 (add_new_plugin): Initialize above flag.
155 (invoke_plugin_callbacks): Rename to ...
156 (invoke_plugin_callbacks_full): ... this.
158 2010-04-28 Jan Hubicka <jh@suse.cz>
160 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
161 (lto_varpool_replace_node): New.
162 (lto_symtab_resolve_symbols): Resolve varpool nodes.
163 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
164 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
165 * cgraph.h (varpool_node_ptr): New type.
166 (varpool_node_ptr): New vector.
167 (varpool_node_set_def): New structure.
168 (varpool_node_set): New type.
169 (varpool_node_set): New vector.
170 (varpool_node_set_element_def): New structure.
171 (varpool_node_set_element, const_varpool_node_set_element): New types.
172 (varpool_node_set_iterator): New type.
173 (varpool_node): Add prev pointers, add used_from_other_partition,
175 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
176 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
177 varpool_get_node, varpool_remove_node): Declare.
178 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
179 varpool_node_set_size): New inlines.
180 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
181 * tree-pass.h (varpool_node_set_def): Forward declare.
182 (ipa_opt_pass_d): Summary writting takes vnode sets too.
183 (ipa_write_optimization_summaries): Update prototype.
184 * ipa-cp.c (ipcp_write_summary): Update.
185 * ipa-reference.c (ipa_reference_write_summary): Update.
186 * lto-cgraph.c (lto_output_varpool_node): New static function.
187 (output_varpool): New function.
188 (input_varpool_node): New static function.
189 (input_varpool_1): New function.
190 (input_cgraph): Input varpool.
191 * ipa-pure-const.c (pure_const_write_summary): Update.
192 * lto-streamer-out.c (lto_output): Update, output varpool too.
193 (write_global_stream): Kill WPA hack.
194 (produce_asm_for_decls): Update.
195 (output_alias_pair_p): Handle variables.
196 (output_unreferenced_globals): Output only needed partition of varpool.
197 * ipa-inline.c (inline_write_summary): Update.
198 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
199 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
200 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
201 varpool_node_set_new, varpool_node_set_add,
202 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
203 debug_varpool_node_set): New functions.
204 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
205 (execute_one_pass): Process new decls too.
206 (ipa_write_summaries_2): Pass around vsets.
207 (ipa_write_summaries_1): Likewise.
208 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
210 (ipa_write_optimization_summaries_1): Pass around vsets.
211 (ipa_write_optimization_summaries): Likewise.
212 * varpool.c (varpool_get_node): New.
213 (varpool_node): Update doubly linked lists.
214 (varpool_remove_node): New.
215 (dump_varpool_node): More dumping.
216 (varpool_enqueue_needed_node): Update doubly linked lists.
217 (decide_is_variable_needed): Kill ltrans hack.
218 (varpool_finalize_decl): Kill lto hack.
219 (varpool_assemble_decl): Skip decls in other partitions.
220 (varpool_assemble_pending_decls): Update doubly linkes lists.
221 (varpool_empty_needed_queue): Likewise.
222 (varpool_extra_name_alias): Likewise.
223 * lto-streamer.c (lto_get_section_name): Add vars section.
224 * lto-streamer.h (lto_section_type): Update.
225 (output_varpool, input_varpool): Declare.
227 2010-04-28 Mike Stump <mikestump@comcast.net>
229 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
231 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
233 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
234 record or union type with RECORD_OR_UNION_TYPE_P predicate.
235 (lto_input_ts_type_tree_pointers): Likewise.
236 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
237 (lto_output_ts_type_tree_pointers): Likewise.
239 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
241 Uniquization of constants at the Tree level
242 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
243 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
245 (tree_output_constant_def): Declare.
246 * gimplify.c (gimplify_init_constructor): When using block copy, first
247 uniquize the constant constructor on the RHS.
248 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
249 DECL_IN_CONSTANT_POOL flag.
250 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
251 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
253 (assemble_variable): Deal with symbols belonging to the tree constant
255 (get_constant_section): Add ALIGN parameter and simplify.
256 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
257 (assemble_constant_contents): Use the expression of the VAR_DECL.
258 (output_constant_def_contents): Use the alignment of the VAR_DECL.
259 (tree_output_constant_def): New global function.
260 (mark_constant): Use the expression of the VAR_DECL.
261 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
263 (output_object_block): Likewise and assemble the expression.
265 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
267 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
268 hash_tree, eq_tree): New tree hash table.
269 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
270 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
271 lto_orig_address_remove): Reimplement.
273 2010-04-28 Xinliang David Li <davidxl@google.com>
276 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
277 (compute_uninit_opnds_pos): New function.
278 (is_non_loop_exit_postdominating): New function.
279 (compute_control_dep_chain): New function.
280 (find_pdom): New function.
281 (convert_control_dep_chain_into_preds): New function.
282 (find_predicates): New function.
283 (find_control_equiv_block): New function.
284 (collect_phi_def_edges): New function.
285 (find_def_preds): New function.
286 (find_dom): New function.
287 (dump_predicates): New function.
288 (get_cmp_code): New function.
289 (is_value_included_in): New function.
290 (find_matching_predicate_in_rest_chains): New function.
291 (use_pred_not_overlap_with_undef_path_pred): New function.
292 (is_use_properly_guarded): New function.
293 (normalize_cond_1): New function.
294 (is_and_or_or): New function.
295 (normalize_cond): New function.
296 (is_gcond_subset_of): New function.
297 (is_subset_of_any): New function.
298 (is_or_set_subset_of): New function.
299 (is_and_set_subset_of): New function.
300 (is_norm_cond_subset_of): New function.
301 (is_pred_expr_subset_of): New function.
302 (is_pred_chain_subset_of): New function.
303 (is_included_in): New function.
304 (is_superset_of): New function.
305 (find_uninit_use): New function.
306 (warn_uninitialized_phi): New function.
307 (compute_possibly_undefined_names): New function.
308 (ssa_undefined_value_p): New function.
309 (execute_late_warn_uninitialized): New function.
310 * tree-ssa.c (ssa_undefined_value_p): Removed.
311 (warn_uninit): Changed to extern.
312 (warn_uninitialized_phi): Removed.
313 (warn_uninitialized_vars): Changed to extern.
314 (execute_late_warn_uninitialized): Removed
315 * tree-flow.h: Add new prototypes.
316 * timevar.def: Add new time variable.
317 * Makefile.in: Add new build file.
319 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
321 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
324 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
327 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
329 2010-04-28 Martin Jambor <mjambor@suse.cz>
331 * cgraph.h (struct cgraph_node): New field indirect_calls.
332 (struct cgraph_indirect_call_info): New type.
333 (struct cgraph_edge): Removed field indirect_call. New fields
334 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
335 (cgraph_create_indirect_edge): Declare.
336 (cgraph_make_edge_direct): Likewise.
337 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
338 * ipa-prop.h (struct ipa_param_call_note): Removed.
339 (struct ipa_node_params): Removed field param_calls.
340 (ipa_create_all_structures_for_iinln): Declare.
341 * cgraph.c: Described indirect edges and uids in initial comment.
342 (cgraph_add_edge_to_call_site_hash): New function.
343 (cgraph_edge): Search also among the indirect edges, use
344 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
345 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
346 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
348 (initialize_inline_failed): Assign a reason to indirect edges.
349 (cgraph_create_edge_1): New function.
350 (cgraph_create_edge): Moved some functionality to
351 cgraph_create_edge_1.
352 (cgraph_create_indirect_edge): New function.
353 (cgraph_edge_remove_callee): Add an assert checking for
355 (cgraph_edge_remove_caller): Special-case indirect edges.
356 (cgraph_remove_edge): Likewise.
357 (cgraph_set_edge_callee): New function.
358 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
359 (cgraph_make_edge_direct): New function.
360 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
361 the declaration of the call statement matches.
362 (cgraph_node_remove_callees): Special-case indirect edges.
363 (cgraph_clone_edge): Likewise.
364 (cgraph_clone_node): Clone also the indirect edges.
365 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
366 indirect_call, dump count of indirect_calls edges.
367 * ipa-prop.c (iinlining_processed_edges): New variable.
368 (ipa_note_param_call): Create indirect edges instead of
369 creating notes. New parameter node.
370 (ipa_analyze_call_uses): New parameter node, pass it on to
372 (ipa_analyze_stmt_uses): Likewise.
373 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
374 (print_edge_addition_message): Work on edges rather than on notes.
375 (update_call_notes_after_inlining): Likewise, renamed to
376 update_indirect_edges_after_inlining.
377 (ipa_create_all_structures_for_iinln): New function.
378 (ipa_free_node_params_substructures): Do not free notes.
379 (ipa_edge_duplication_hook): Propagate bits within
380 iinlining_processed_edges bitmap.
381 (ipa_node_duplication_hook): Do not duplicate notes.
382 (free_all_ipa_structures_after_ipa_cp): Renamed to
383 ipa_free_all_structures_after_ipa_cp.
384 (free_all_ipa_structures_after_iinln): Renamed to
385 ipa_free_all_structures_after_iinln.g
386 (ipa_write_param_call_note): Removed.
387 (ipa_read_param_call_note): Removed.
388 (ipa_write_indirect_edge_info): New function.
389 (ipa_read_indirect_edge_info): Likewise.
390 (ipa_write_node_info): Do not stream notes, do stream information
392 (ipa_read_node_info): Likewise.
393 (lto_ipa_fixup_call_notes): Removed.
394 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
395 * ipa-inline.c (pass_ipa_inline): Likewise.
396 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
397 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
398 * tree-inline.c (copy_bb): Removed an unnecessary double check for
400 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
402 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
403 (output_cgraph): Stream also indirect edges.
404 (lto_output_edge): Added capability to stream indirect edges.
405 (input_edge): Likewise.
406 (input_cgraph_1): Likewise.
407 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
410 2010-04-28 Richard Guenther <rguenther@suse.de>
412 PR tree-optimization/43879
413 PR tree-optimization/43909
414 * tree-ssa-structalias.c (struct variable_info): Add
415 only_restrict_pointers flag.
416 (new_var_info): Initialize it. Increment stats.total_vars here.
417 (create_function_info_for): Do not increment stats.total_vars
419 (get_function_part_constraint): Fix build with C++.
420 (insert_into_field_list): Remove.
421 (push_fields_onto_fieldstack): Properly merge fields.
422 (create_variable_info_for): Split and simplify.
423 (create_variable_info_for_1): New piece.
424 (intra_create_variable_infos): Properly make restrict constraints
427 2010-04-28 Richard Guenther <rguenther@suse.de>
430 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
433 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
434 Jan Hubicka <hubicka@ucw.cz>
436 * doc/invoke.texi (-Wsuggest-attribute=const,
437 -Wsuggest-attribute=pure): Document.
438 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
439 (function_always_visible_to_compiler_p,
440 suggest_attribute, warn_function_pure, warn_function_const):
442 (check_call): Improve debug info.
443 (analyze_function): Do not check availability.
444 (add_new_function): Check availability.
445 (propagate): Output warnings.
446 (skip_function_for_local_pure_const): New function.
447 (local_pure_const): Use it; output warnings.
448 * common.opt (Wsuggest-attribute=const,
449 Wsuggest-attribute=pure): New.
451 2010-04-27 Jakub Jelinek <jakub@redhat.com>
453 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
454 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
455 or DW_CFA_def_cfa_offset{,_sf}.
457 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
459 * tree.h: Fix truncated long macros.
461 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
463 * collect2.c (TARGET_64BIT): Redefine to target's default.
465 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
466 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
467 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
468 for underscoring __USER_LABEL_PREFIX__.
469 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
470 (SUB_LINK_ENTRY32): New.
471 (SUB_LINK_ENTRY64): New.
472 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
473 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
474 (SUB_LINK_ENTRY64): New.
475 (SUB_LINK_ENTRY): New.
476 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
477 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
478 x64 target is choosen.
479 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
480 * configure: Regenerated.
481 * configure.ac (leading-mingw64-underscores): Option added.
483 2010-04-27 Jan Hubicka <jh@suse.cz>
485 * doc/invoke.texi (-fipa-profile): Document.
486 * opts.c (decode_options): Enable ipa-profile at -O1.
487 * timevar.def (TV_IPA_PROFILE): Define.
488 * common.opt (fipa-profile): Add.
489 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
491 (cgraph_propagate_frequency): Handle only local ones.
492 * tree-pass.h (pass_ipa_profile): Declare.
493 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
494 (pass_ipa_profile): Use TV_IPA_PROFILE.
495 * ipa.c (ipa_profile): New function.
496 (gate_ipa_profile): Likewise.
497 (pass_ipa_profile): New global variable.
498 * passes.c (pass_ipa_profile): New.
500 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
502 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
504 2010-04-27 Martin Jambor <mjambor@suse.cz>
507 * ipa.c (dissolve_same_comdat_group_list): New function.
508 (function_and_variable_visibility): Call
509 dissolve_same_comdat_group_list when comdat group contains external or
511 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
512 lists are circular and that they contain only DECL_ONE_ONLY nodes.
514 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
516 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
517 (const_hash_1) <VECTOR_CST>: New case.
518 (compare_constant) <VECTOR_CST>: Likewise.
519 <ADDR_EXPR>: Deal with LABEL_REFs.
520 (copy_constant) <VECTOR_CST>: New case.
522 2010-04-27 Jan Hubicka <jh@suse.cz>
524 * cgraph.c (cgraph_propagate_frequency): New function.
525 * cgraph.h (cgraph_propagate_frequency): Declare.
526 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
527 cgraph_propagate_frequency.
529 2010-04-27 Jakub Jelinek <jakub@redhat.com>
531 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
533 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
536 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
537 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
538 here to determine which regs to push and how much stack to reserve.
540 2010-04-27 Jie Zhang <jie@codesourcery.com>
542 * doc/gimple.texi (gimple_statement_with_ops): Remove
543 addresses_taken field.
544 (gimple_statement_with_memory_ops): Likewise.
546 2010-04-27 Jan Hubicka <jh@suse.cz>
548 * tree-inline.c (eni_inlining_weights): Remove.
549 (estimate_num_insns): Special case more builtins.
551 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
554 * c-typeck.c (build_binary_op): Move forward check for comparison
555 pointer with null pointer constant and adjust the diagnostic message.
557 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
560 * configure.ac (gcc_cv_as_section_has_align): Set if installed
561 binutils supports extended .section directive needed by LTO, or
562 warn if older binutils found.
563 (LTO_BINARY_READER): New AC_SUBST'd variable.
564 (LTO_USE_LIBELF): Likewise.
565 * gcc/config.gcc (lto_binary_reader): New target-specific configure
567 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
568 (LTO_USE_LIBELF): Likewise.
569 * configure: Regenerate.
571 * collect2.c (is_elf): Rename from this ...
572 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
573 object files in addition to ELF-formatted ones.
574 (scan_prog_file): Caller updated. Also allow for LTO info marker
575 symbol to be prefixed or not by an extra underscore.
577 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
578 * config/i386/winnt.c: Also #include lto-streamer.h
579 (i386_pe_asm_named_section): Specify 1-byte section alignment for
581 (i386_pe_asm_output_aligned_decl_common): Add comment.
582 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
584 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
587 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
588 Add missing earlyclobber for second alternative.
590 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
592 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
593 bits for artificial defs at the top of the block.
594 * fwprop.c (single_def_use_enter_block): Don't call it.
596 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
599 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
600 instead of "$gcc_cv_objdump -T".
601 Use "-undefined dynamic_lookup" on darwin.
602 * gcc/configure: Regenerate.
604 2010-04-26 Jakub Jelinek <jakub@redhat.com>
607 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
609 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
611 * c-parser.c (struct c_token): Move location field up.
612 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
613 (struct c_declspecs): Convert typespec_word, storage_class, and
614 default_int_p into bitfields.
615 (struct c_declarator): Move loc field up.
617 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
619 * cfgloop.h (struct loop): Move can_be_parallel field up.
620 * ipa-prop.h (struct ip_node_params): Move bitfields up.
621 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
623 (struct iv_cand): Convert pos field into a bitfield.
624 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
626 (struct _stmt_vec_info): Shuffle fields for better packing.
628 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
630 * varasm.c (IN_NAMED_SECTION): Remove guard.
631 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
632 (IN_NAMED_SECTION_P): ...this.
633 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
634 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
636 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
638 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
639 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
640 of shadowing it. Fix comments.
642 2010-04-26 Jan Hubicka <jh@suse.cz>
644 * cgraph.c (cgraph_create_node): Set node frequency to normal.
645 (cgraph_clone_node): Copy function frequency.
646 * cgraph.h (node_frequency): New enum
647 (struct cgraph_node): Add.
648 * final.c (rest_of_clean_state): Update.
649 * lto-cgraph.c (lto_output_node): Output node frequency.
650 (input_overwrite_node): Input node frequency.
651 * tre-ssa-loop-ivopts (computation_cost): Update.
652 * lto-streamer-out.c (output_function): Do not output function
654 * predict.c (maybe_hot_frequency_p): Update and handle functions
656 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
658 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
659 (compute_function_frequency): Set noreturn functions to be executed
661 (choose_function_section): Update.
662 * lto-streamer-in.c (input_function): Do not input function frequency.
663 * function.c (allocate_struct_function): Do not initialize function
665 * function.h (function_frequency): Remove.
666 (struct function): Remove function frequency.
667 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
668 (try_update): Update.
669 * tree-inline.c (initialize_cfun): Do not update function frequency.
670 * passes.c (pass_init_dump_file): Update.
671 * i386.c (ix86_compute_frame_layout): Update.
672 (ix86_pad_returns): Update.
674 2010-04-26 Jie Zhang <jie@codesourcery.com>
676 PR tree-optimization/43833
677 * tree-vrp.c (range_int_cst_p): New.
678 (range_int_cst_singleton_p): New.
679 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
680 when both operands are constants. Use range_int_cst_p in
683 2010-04-26 Jan Hubicka <jh@suse.cz>
685 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
687 2010-04-26 Richard Guenther <rguenther@suse.de>
690 * gimple.c (gimple_decl_printable_name): Deal gracefully
691 with a NULL DECL_NAME.
693 2010-04-26 Richard Guenther <rguenther@suse.de>
696 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
697 if emitting debug information and it is either a function
700 2010-04-26 Ira Rosen <irar@il.ibm.com>
702 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
703 determine if the statement is vectorizable, and a macro to access it.
704 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
705 Skip statements that can't be vectorized. If the analysis fails,
706 mark the statement as unvectorizable if vectorizing basic block.
707 (vect_compute_data_refs_alignment): Likewise.
708 (vect_verify_datarefs_alignment): Skip statements marked as
709 unvectorizable. Add print.
710 (vect_analyze_group_access): Skip statements that can't be
711 vectorized. If the analysis fails, mark the statement as
712 unvectorizable if vectorizing basic block.
713 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
714 * tree-vect-stmts.c (vectorizable_store): Fix the number of
715 generated stmts for SLP.
716 (new_stmt_vec_info): Initialize the new field.
717 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
718 statements marked as unvectorizable.
720 2010-04-25 Joseph Myers <joseph@codesourcery.com>
722 * c-common.c (flag_isoc1x): New.
723 (flag_isoc99): Update comment.
724 * c-common.h (flag_isoc1x): New.
725 (flag_isoc99): Update comment.
726 * c-cppbuiltin.c (builtin_define_float_constants): Also define
727 __<type>_DECIMAL_DIG__.
728 * c-opts.c (set_std_c1x): New.
729 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
730 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
731 * c.opt (-std=c1x, -std=gnu1x): New options.
732 * doc/cpp.texi: Mention -std=c1x.
733 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
734 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
735 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
736 * doc/standards.texi: Mention C1X.
737 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
738 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
739 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
742 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
744 * config/i386/gmon-sol2.c (_mcleanup): Change format string
745 placeholder from 0x%x to %#x.
746 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
747 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
748 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
749 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
750 * config/i386/i386.c (ix86_target_string): Ditto.
751 (output_pic_addr_const): Ditto.
752 (print_operand): Ditto.
754 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
756 * combine.c (find_split_point): Add third argument. Use it
757 to find nested multiply-accumulate instructions. Adjust calls.
758 (try_combine): Adjust call to find_split_point.
760 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
762 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
764 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
766 PR tree-optimization/41442
767 * fold-const.c (merge_truthop_with_opposite_arm): New function.
768 (fold_binary_loc): Call it.
770 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
772 * toplev.c (general_init): Set default for fdiagnostics-show-option.
773 * opts.c (common_handle_option): Allow disabling it.
774 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
776 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
778 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
779 between modes if both types are integral.
781 2010-04-23 Richard Guenther <rguenther@suse.de>
783 PR tree-optimization/43572
784 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
786 2010-04-23 Richard Guenther <rguenther@suse.de>
789 * tree-inline.c (tree_can_inline_p): Also check compatibility
792 2010-04-23 Martin Jambor <mjambor@suse.cz>
794 PR tree-optimization/43846
795 * tree-sra.c (struct access): New flag grp_assignment_read.
796 (build_accesses_from_assign): Set grp_assignment_read.
797 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
798 (enum mark_read_status): New type.
799 (analyze_access_subtree): Propagate grp_assignment_read, create
800 accesses also if both direct_read and root->grp_assignment_read.
802 2010-04-23 Martin Jambor <mjambor@suse.cz>
805 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
806 function does not have type attributes.
808 2010-04-23 Richard Guenther <rguenther@suse.de>
811 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
814 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
816 * sese.h (create_if_region_on_edge): Remove.
818 * sese.c (create_if_region_on_edge): Make static.
820 * tree-inline.c: Do not include ggc.h.
822 * expr.c: Do not include ggc.h.
824 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
827 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
830 * config/sh/sh.c (find_barrier): Don't emit a constant pool
831 in the middle of insns for casesi_worker_2.
833 2010-04-22 David Edelsohn <edelsohn@gnu.org>
835 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
837 2010-04-22 Ira Rosen <irar@il.ibm.com>
839 PR tree-optimization/43842
840 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
841 loop unrolling in update of exit phis. Fix comment.
842 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
843 least two reduction statements in the loop before starting SLP
846 2010-04-22 Nick Clifton <nickc@redhat.com>
848 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
850 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
852 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
855 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
857 * tree-parloops.c (loop_parallel_p): New argument
858 parloop_obstack. Pass it down.
859 (parallelize_loops): New variable parloop_obstack. Initialize it,
860 pass it down, free it.
862 * tree-loop-linear.c (linear_transform_loops): Pass down
865 * tree-data-ref.h (lambda_compute_access_matrices): New argument
866 of type struct obstack *.
868 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
869 scratch_obstack. Initialize it, pass down, free it.
871 * lambda.h (lambda_loop_new): Remove.
872 (lambda_matrix_new, lambda_matrix_inverse)
873 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
874 argument of type struct obstack *.
876 * lambda-trans.c (lambda_trans_matrix_new): New argument
877 lambda_obstack. Pass it down, use obstack allocation for ret.
878 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
881 * lambda-mat.c (lambda_matrix_get_column)
882 (lambda_matrix_project_to_null): Remove.
883 (lambda_matrix_new): New argument lambda_obstack. Use obstack
885 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
888 * lambda-code.c (lambda_loop_new): New function.
889 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
890 (lambda_compute_auxillary_space, lambda_compute_target_space)
891 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
892 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
893 (build_access_matrix): New argument lambda_obstack. Use obstack
895 (lambda_compute_step_signs, lambda_compute_access_matrices): New
896 argument lambda_obstack. Pass it down.
898 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
900 * optabs.h (expand_widening_mult): Declare.
902 2010-04-22 Richard Guenther <rguenther@suse.de>
904 PR tree-optimization/43845
905 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
906 lookup the CALL_EXPR function and arguments.
908 2010-04-22 Nick Clifton <nickc@redhat.com>
910 * config/stormy16/stormy16.c
911 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
912 * config/stormy16/stormy16.h: Tidy up formatting.
913 (DONT_USE_BUILTIN_SETJMP): Remove definition.
914 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
915 (ineqbranchsi): Delete pattern.
916 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
917 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
918 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
919 stormy16-lib2-ucmpsi2.c.
921 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
923 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
924 df_simulate_find_noclobber_defs as appropriate. Keep track of an
925 extra set merge_set_noclobber, and use it to relax the final test
927 * df.h (df_simulate_find_noclobber_defs): Declare.
928 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
930 (df_simulate_find_noclobber_defs): New function.
932 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
934 * config/i386/i386.md: Use {} around multi-line preparation statements.
936 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
938 * c-tree.h (push_init_level, pop_init_level, set_init_index)
939 (process_init_element): New argument of type struct obstack *.
941 * c-typeck.c (push_init_level, pop_init_level, set_designator)
942 (set_init_index, set_init_label, set_nonincremental_init)
943 (set_nonincremental_init_from_string, find_init_member)
944 (output_init_element, output_pending_init_elements)
945 (process_init_element): New argument braced_init_obstack. Pass it
947 (push_range_stack, add_pending_init): New argument
948 braced_init_obstack. Use obstack allocation.
950 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
951 braced_init_obstack. Pass it down.
952 (c_parser_braced_init): New variables ret, braced_init_obstack.
953 Initialize obstack, pass it down and finally free it.
955 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
958 * tree-pass.h (pass_optimize_widening_mul): Declare.
959 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
960 gate_optimize_widening_mul): New static functions.
961 (pass_optimize_widening_mul): New.
962 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
963 <case MULT_EXPR>: Remove support for widening multiplies.
964 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
965 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
966 simplify_gen_unary rather than directly building extensions.
967 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
969 * expmed.c (expand_widening_mult): New function.
970 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
972 2010-04-21 Jan Hubicka <jh@suse.cz>
974 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
975 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
976 * lto-wpa-fixup.c: Remove.
977 * Makefile.in (lto-wpa-fixup.o): Remove.
978 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
979 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
980 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
982 2010-04-21 Jan Hubicka <jh@suse.cz>
984 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
985 add write_optimization_summary, read_optimization_summary.
986 (ipa_write_summaries_of_cgraph_node_set): Remove.
987 (ipa_write_optimization_summaries): Declare.
988 (ipa_read_optimization_summaries): Declare.
989 * ipa-cp.c (pass_ipa_cp): Update.
990 * ipa-reference.c (pass_ipa_reference): Update.
991 * ipa-pure-const.c (pass_ipa_pure_const): Update.
992 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
994 * ipa-inline.c (pass_ipa_inline): Update.
995 * ipa.c (pass_ipa_whole_program): Update.
996 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
997 * passes.c (ipa_write_summaries_1): Do not test wpa.
998 (ipa_write_optimization_summaries_1): New.
999 (ipa_write_optimization_summaries): New.
1000 (ipa_read_summaries): Do not test ltrans.
1001 (ipa_read_optimization_summaries_1): New.
1002 (ipa_read_optimization_summaries): New.
1004 2010-04-21 Jan Hubicka <jh@suse.cz>
1006 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1008 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1010 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1013 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1014 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1016 2010-04-21 Jan Hubicka <jh@suse.cz>
1018 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1020 2010-04-21 Jan Hubicka <jh@suse.cz>
1022 * varpool.c (decide_is_variable_needed): Variable is always needed
1025 2010-04-21 Jan Hubicka <jh@suse.cz>
1027 * opts.c (decode_options): Enable pure-const pass for whopr.
1029 2010-04-21 Jan Hubicka <jh@suse.cz>
1031 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1032 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1034 (cgraph_decide_inlining): Do not expect callee to be removed in all
1037 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1039 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1041 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1043 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1044 amdfam10_decode attributes.
1046 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1049 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1050 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1051 (lower_copyprivate_clauses): Use private var in outer
1052 context instead of original var. Make sure the types
1053 are correct for VLAs.
1055 2010-04-21 Richard Guenther <rguenther@suse.de>
1057 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1058 to non-pointer objects.
1060 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1062 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1063 last chain entry if it starts with the still current label.
1064 (add_location_or_const_value_attribute): Check that
1065 loc_list->first->next is NULL instead of comparing ->first with ->last.
1066 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1067 to add_var_loc_to_decl.
1069 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1070 >= 4 add also address size and segment size fields into CIE header.
1072 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1073 long as address size is the same as sizeof (void *) and
1075 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1076 address size or segment size is unexpected, return DW_EH_PE_omit.
1077 (classify_object_over_fdes): If get_cie_encoding returned
1078 DW_EH_PE_omit, return -1.
1079 (init_object): If classify_object_over_fdes returned -1,
1080 pretend there were no FDEs at all.
1082 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1084 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1085 bswap{si,di}2 using SWI48 mode iterator.
1086 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1087 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1088 set modrm attribute of bswap insn to 0 and remove length attribute.
1089 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1090 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1091 set mode attribute to <MODE> and remove length attribute.
1093 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1095 PR rtl-optimization/43520
1096 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1097 zero available registers.
1099 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1101 * builtins.c (fold_builtin_cproj): Fold more cases.
1103 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1105 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1106 (fold_builtin_1): Fold builtin cproj.
1107 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1108 Use ATTR_CONST_NOTHROW_LIST.
1110 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1112 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1113 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1114 ffsi2_no_cmove for !TARGET_CMOVE.
1115 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1116 (ffssi2): Remove expander.
1117 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1119 (ctz<mode>2): Ditto from ctz{si,di}2.
1120 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1122 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1125 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1127 * dwarf2out.c (AT_linkage_name): Define.
1128 (clone_as_declaration): Handle DW_AT_linkage_name.
1129 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1130 of DW_AT_MIPS_linkage_name.
1131 (move_linkage_attr): Likewise.
1132 (dwarf2out_finish): Likewise.
1134 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1137 * fold-const.c (fold_comparison): New folding rule.
1139 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1141 * double-int.h (double_int_setbit): Declare.
1142 * double-int.c (double_int_setbit): New function.
1143 * rtl.h (immed_double_int_const): Declare.
1144 * emit-rtl.c (immed_double_int_const): New function.
1145 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1146 and immed_double_int_const functions.
1147 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1148 expand_copysign_bit): (Ditto.).
1149 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1150 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1151 * dojump.c (prefer_and_bit_test): (Ditto.).
1152 * expr.c (convert_modes, reduce_to_bit_field_precision,
1153 const_vector_from_tree): (Ditto.).
1154 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1156 2010-04-20 Jan Hubicka <jh@suse.cz>
1158 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1159 (dump_cgraph_node): Dump new flags.
1160 * cgraph.h (struct cgraph_node): Add flags
1161 reachable_from_other_partition and in_other_partition.
1162 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1163 other partition can not be removed.
1164 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1165 the other partition must be output; silence sanity checking on
1166 leaking functions bodies from other paritition.
1167 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1168 (lto_output_node): Output new flags; do not sanity check that inline
1169 clones are output; drop lto_forced_extern_inline_p code; do not mock
1170 visibility flags at partition boundaries.
1171 (add_node_to): New function.
1172 (output_cgraph): Use it to sort functions so masters appear before
1174 (input_overwrite_node): Input new flags.
1175 * passes.c (ipa_write_summaries): Do not call
1176 lto_new_extern_inline_states.
1177 * lto-section-out.c (forced_extern_inline,
1178 lto_new_extern_inline_states lto_delete_extern_inline_states,
1179 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1180 * lto-streamer.h (lto_new_extern_inline_states,
1181 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1182 lto_forced_extern_inline_p): Kill.
1184 2010-04-20 Richard Guenther <rguenther@suse.de>
1186 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1187 from vars that can have pointers.
1188 (process_constraint): Dump useless constraints.
1190 2010-04-20 Richard Guenther <rguenther@suse.de>
1192 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1193 (dump_sa_points_to_info): Remove asserts.
1194 (init_base_vars): nothing_id isn't an escape point nor does it
1197 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1199 * tree.h (TYPE_REF_IS_RVALUE): Define.
1200 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1201 should_move_die_to_comdat, prune_unused_types_walk): Handle
1202 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1203 (modified_type_die, gen_reference_type_die): Emit
1204 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1205 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1207 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1210 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1211 calls for -fpic -m31 if they have been sibcall optimized.
1213 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1215 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1216 ar.lc fixed and call-used.
1218 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1220 2010-04-19 Jan Hubicka <jh@suse.cz>
1222 * opts.c (decode_options): Disable whpr incompatible passes.
1223 * lto/lto.c (lto_1_to_1_map): Skip clones.
1224 (read_cgraph_and_symbols): Do not mark everything as needed.
1225 (do_whole_program_analysis): Do map only after optimizing;
1226 set proper cgraph_state; use passmanager.
1228 2010-04-19 DJ Delorie <dj@redhat.com>
1230 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1231 POINTER_PLUS_EXPR and fix them.
1233 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1235 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1236 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1237 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1238 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1239 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1240 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1241 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1242 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1243 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1244 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1245 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1247 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1249 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1250 (check_cond_move_block): Likewise.
1251 (cond_move_process_if_block): Likewise.
1252 (noce_find_if_block): Improve formatting.
1253 (find_if_header): Pass 0 to memset and tweak conditions.
1254 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1256 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1258 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1262 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1263 with non-local decl doesn't need chain.
1265 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1267 * ira-color.c (allocno_reload_assign): Avoid accumulating
1268 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1270 2010-04-19 Martin Jambor <mjambor@suse.cz>
1272 * gimple.h (create_tmp_reg): Declare.
1273 * gimplify.c (create_tmp_reg): New function.
1274 (gimplify_return_expr): Use create_tmp_reg.
1275 (gimplify_omp_atomic): Likewise.
1276 (gimple_regimplify_operands): Likewise.
1277 * tree-dfa.c (make_rename_temp): Likewise.
1278 * tree-predcom.c (predcom_tmp_var): Likewise.
1279 (reassociate_to_the_same_stmt): Likewise.
1280 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1281 (get_replaced_param_substitute): Likewise.
1282 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1283 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1284 * tree-ssa-pre.c (get_representative_for): Likewise.
1285 (create_expression_by_pieces): Likewise.
1286 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1287 (create_tailcall_accumulator): Likewise.
1289 2010-04-19 Martin Jambor <mjambor@suse.cz>
1291 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1293 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1295 2010-04-19 Richard Guenther <rguenther@suse.de>
1297 PR tree-optimization/43796
1298 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1299 from SCEV in the lattice.
1300 (vrp_visit_phi_node): Dump change.
1302 2010-04-19 Richard Guenther <rguenther@suse.de>
1304 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1305 * configure: Re-generated.
1307 2010-04-19 Richard Guenther <rguenther@suse.de>
1309 PR tree-optimization/43783
1310 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1311 constant ARRAY_REF operands two and three if possible.
1313 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1316 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1318 2010-04-19 Jie Zhang <jie@codesourcery.com>
1321 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1323 2010-04-19 Ira Rosen <irar@il.ibm.com>
1325 PR tree-optimization/37027
1326 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1327 and macro to access it.
1328 (vectorizable_reduction): Add argument.
1329 (vect_get_slp_defs): Likewise.
1330 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1331 statements for possible use in SLP.
1332 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1333 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1334 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1336 (vectorizable_reduction): Likewise.
1337 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1339 (vectorizable_type_demotion, vectorizable_type_promotion,
1340 vectorizable_store): Likewise.
1341 (vect_analyze_stmt): Update call to vectorizable_reduction.
1342 (vect_transform_stmt): Likewise.
1343 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1344 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1345 from different interleaving chains in same node.
1346 (vect_slp_rearrange_stmts): New function.
1347 (vect_supported_load_permutation_p): Allow load permutations for
1348 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1349 inside SLP nodes if necessary.
1350 (vect_analyze_slp_instance): Handle reductions.
1351 (vect_analyze_slp): Try to build SLP instances originating from groups
1353 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1354 (vect_get_constant_vectors): Create initial vectors for reductions
1355 according to reduction code. Add new argument.
1356 (vect_get_slp_defs): Add new argument, pass it to
1357 vect_get_constant_vectors.
1358 (vect_schedule_slp_instance): Remove SLP tree root statements.
1360 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1362 * tree.h (ENUM_IS_SCOPED): Define.
1363 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1364 for ENUM_IS_SCOPED enums.
1366 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1368 * fold-const.c (fold_comparison): Use ssizetype.
1369 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1370 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1371 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1372 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1374 * tree.h (initialize_sizetypes): Remove parameter.
1375 (build_common_tree_nodes): Remove second parameter.
1376 * stor-layout.c (initialize_sizetypes): Remove parameter.
1377 Always create an unsigned type.
1378 (set_sizetype): Assert that the passed type is unsigned and simplify.
1379 * tree.c (build_common_tree_nodes): Remove second parameter.
1380 Adjust call to initialize_sizetypes.
1381 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1382 build_common_tree_nodes.
1384 2010-04-18 Matthias Klose <doko@ubuntu.com>
1386 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1388 2010-04-18 Ira Rosen <irar@il.ibm.com>
1390 PR tree-optimization/43771
1391 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1392 load permutation doesn't have gaps.
1394 2010-04-18 Jan Hubicka <jh@suse.cz>
1396 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1397 (sse_prologue_save_insn expander): Use new pattern.
1398 (sse_prologue_save_insn1): New pattern and splitter.
1399 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1401 * i386.c (setup_incoming_varargs_64): Do not compute jump
1403 (ix86_gimplify_va_arg): Update alignment needed.
1404 (ix86_local_alignment): Do not align all local arrays to 128bit.
1406 2010-04-17 Jan Hubicka <jh@suse.cz>
1408 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1410 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1412 * arm.md (negdi2): Remove redundant code to force values into a
1415 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1417 * arm/bpabi.S: Add EABI alignment attributes to objects.
1418 * arm/bpabi-v6m.S: Likewise.
1419 * arm/crti.asm: Likewise.
1420 * arm/crtn.asm: Likewise.
1421 * arm/lib1funcs.asm: Likewise.
1422 * arm/libunwind.S: Likewise.
1424 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1426 * arm-protos.h (tune_params): New structure.
1427 * arm.c (current_tune): New variable.
1428 (arm_constant_limit): Delete.
1429 (struct processors): Add pointer to the tune parameters.
1430 (arm_slowmul_tune): New tuning option.
1431 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1432 (all_cores): Adjust to pick up the tuning model.
1433 (arm_constant_limit): New function.
1434 (arm_override_options): Select the appropriate tuning model. Delete
1435 initialization of arm_const_limit.
1436 (arm_split_constant): Use the new constant-limit model.
1437 (arm_rtx_costs): Pick up the current tuning model.
1438 * arm.md (is_strongarm, is_xscale): Delete.
1439 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1440 for Xscale variant architectures.
1441 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1443 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1445 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1447 (arm_rtx_costs_1): Remove unused variable extra_cost.
1448 (arm_unwind_emit_set): Use variable offset.
1449 (thumb1_output_casesi): Remove unused variable flags.
1451 2010-04-16 Jeff Law <law@redhat.com>
1453 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1454 needing assignment rather than doing a two-phase assignment. Remove
1455 unused variable 'm'.
1457 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1460 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1462 2010-04-16 Doug Kwan <dougkwan@google.com>
1464 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1465 (next_operand_entry_id): New static variable.
1466 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1467 (add_to_ops_vec): Assigned unique ID to operand entry.
1468 (struct oecount_s): New field ID.
1469 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1470 (undistribute_ops_list): Assign unique IDs to oecounts.
1471 (init_reassoc): reset next_operand_entry_id.
1473 2010-04-16 Doug Kwan <dougkwan@google.com>
1475 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1476 missing left parenthesis.
1478 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1480 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1481 *btdi_rex64 using SWI48 mode iterator.
1482 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1483 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1484 *jcc_btdi_mask_rex64.
1486 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1488 * double-int.h (tree_to_double_int): Convert to macro.
1489 * double-int.c (tree_to_double_int): Remove.
1491 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1494 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1495 with want_address 2 and in case a single element list might be
1496 possible, call it again with want_address 0.
1498 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1500 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1501 case 'W' print operands for HI mode.
1502 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1503 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1504 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1505 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1507 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1509 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1510 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1511 #xx:3 and #xx:4 mode.
1513 * config/h8300/h8300.md (inverted load with HImode dest): Add
1514 support for H8300SX.
1516 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1517 satisfy 'U' constraint.
1519 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1521 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1522 * configure: Regenerate.
1523 * config.in: Regenerate.
1524 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1527 2010-04-16 Richard Guenther <rguenther@suse.de>
1529 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1530 (struct tree_decl_common): ... here.
1531 (DECL_PT_UID): Adjust.
1532 (SET_DECL_PT_UID): Likewise.
1533 (DECL_PT_UID_SET_P): Likewise.
1535 2010-04-16 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/43572
1538 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1539 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1540 * tree-flow.h (is_call_clobbered): Remove.
1541 * tree-flow-inline.h (is_call_clobbered): Likewise.
1542 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1543 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1544 (execute_return_slot_opt): Adjust.
1545 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1546 check for call clobbered vars here.
1547 (find_tail_calls): Move tailcall verification to the
1550 2010-04-16 Diego Novillo <dnovillo@google.com>
1552 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1554 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1557 * config/arm/arm.md (cbranchqi4): New pattern.
1558 * config/arm/predicates.md (const0_operand,
1559 cbranchqi4_comparison_operator): New predicates.
1561 2010-04-16 Richard Guenther <rguenther@suse.de>
1563 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1564 (dump_gimple_stmt): Likewise.
1566 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1568 * recog.h (struct recog_data): New field is_operator.
1569 (struct insn_operand_data): New field is_operator.
1570 * recog.c (extract_insn): Set recog_data.is_operator.
1571 * genoutput.c (output_operand_data): Emit code to set the
1573 * reload.c (find_reloads): Use it rather than testing for an
1574 empty constraint string.
1577 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1578 If the previous insn is a cbranchsi4_insn with the same arguments,
1579 omit the compare instruction.
1581 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1582 register, inputs must be low registers and we need a low register
1583 scratch. Handle alternative 2 like alternative 3.
1585 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1587 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1588 don't call get_addr on both. If one expression is a VALUE and
1589 the other a REG, check VALUE's locs if the REG isn't among them.
1591 2010-04-16 Christian Bruel <christian.bruel@st.com>
1593 * config/sh/sh.h (sh_frame_pointer_required): New function.
1594 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1595 (flag_omit_frame_pointer) Set.
1596 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1597 (rounded_frame_size): Adjust size with outgoing_args_size.
1598 (sh_set_return_address): Must return from stack pointer.
1599 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1600 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1601 (ACCUMULATE_OUTGOING_ARGS): Define.
1602 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1603 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1605 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1608 * config/sh/sh.c (sh_legitimize_reload_address): Use
1609 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1610 Remove a unneeded check for offset_base.
1612 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1614 * configure: Regenerated.
1616 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1618 * config/s390/s390.c (s390_call_save_register_used): Switch back
1619 to HARD_REGNO_NREGS.
1621 2010-04-15 Richard Guenther <rguenther@suse.de>
1623 * alias.c (alias_set_subset_of): Handle alias-set zero
1626 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1627 Julian Brown <julian@codesourcery.com>
1629 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1630 alternatives according to use of high and low regs.
1631 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1632 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1633 optimizing for size on Thumb-2.
1635 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1637 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1639 2010-04-15 Richard Guenther <rguenther@suse.de>
1641 * tree-ssa-structalias.c (struct variable_info): Add
1643 (new_var_info): Initialize it.
1644 (dump_constraints): Support printing last added constraints.
1645 (debug_constraints): Adjust.
1646 (dump_constraint_graph): Likewise.
1647 (make_heapvar_for): Check for NULL cfun.
1648 (get_function_part_constraint): New function.
1649 (get_fi_for_callee): Likewise.
1650 (find_func_aliases): Properly implement IPA PTA constraints.
1651 (process_ipa_clobber): New function.
1652 (find_func_clobbers): Likewise.
1653 (insert_into_field_list_sorted): Remove.
1654 (create_function_info_for): Properly allocate vars for IPA mode.
1655 Do not use insert_into_field_list_sorted.
1656 (create_variable_info_for): Properly generate constraints for
1657 global vars in IPA mode.
1658 (dump_solution_for_var): Always dump the solution.
1659 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1660 (find_what_var_points_to): Adjust.
1661 (pt_solution_set): Change.
1662 (pt_solution_ior_into): New function.
1663 (pt_solution_empty_p): Export.
1664 (pt_solution_includes_global): Adjust.
1665 (pt_solution_includes_1): Likewise.
1666 (pt_solutions_intersect_1): Likewise.
1667 (dump_sa_points_to_info): Check some invariants.
1668 (solve_constraints): Move constraint dumping ...
1669 (compute_points_to_sets): ... here.
1670 (ipa_pta_execute): ... and here.
1671 (compute_may_aliases): Do not re-compute points-to info
1672 locally if IPA info is available.
1673 (ipa_escaped_pt): New global var.
1674 (ipa_pta_execute): Properly implement IPA PTA.
1675 * tree-into-ssa.c (dump_decl_set): Support dumping
1676 decls not in referenced-vars.
1677 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1678 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1679 (dump_points_to_solution): Likewise.
1680 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1681 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1682 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1683 (copy_decl_to_var): Copy DECL_PT_UID.
1684 (copy_result_decl_to_var): Likewise.
1685 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1686 (copy_node_stat): Copy it.
1687 * tree.h (DECL_PT_UID): New macro.
1688 (SET_DECL_PT_UID): Likewise.
1689 (DECL_PT_UID_SET_P): Likewise.
1690 (struct tree_decl_minimal): Add pt_uid member.
1691 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1692 (pt_solution_empty_p): Declare.
1693 (pt_solution_set): Adjust.
1694 (ipa_escaped_pt): Declare.
1695 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1696 * gimple-pretty-print.c (pp_points_to_solution): New function.
1697 (dump_gimple_call): Dump call clobber/use information.
1698 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1699 * tree-pass.h (TDF_ALIAS): New dump option.
1700 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1701 * doc/invoke.texi (-fipa-pta): Update documentation.
1703 2010-04-15 Richard Guenther <rguenther@suse.de>
1705 * Makefile.in (OBJS-common): Add gimple-fold.o.
1706 (gimple-fold.o): New rule.
1707 * tree.h (maybe_fold_offset_to_reference,
1708 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1710 * gimple.h: ... here.
1711 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1712 may_propagate_address_into_dereference): Move prototypes ...
1713 * gimple.h: ... here.
1714 * tree-ssa-ccp.c (get_symbol_constant_value,
1715 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1716 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1717 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1718 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1719 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1720 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1721 gimplify_and_update_call_from_tree): Move ...
1722 * gimple-fold.c: ... here. New file.
1723 (ccp_fold_builtin): Rename to ...
1724 (gimple_fold_builtin): ... this.
1725 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1727 2010-04-15 Richard Guenther <rguenther@suse.de>
1729 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1730 fit_double_type, force_fit_type_double, add_double_with_sign,
1731 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1732 lrotate_double, rrotate_double, div_and_round_double): Move ...
1733 * double-int.c: ... here.
1734 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1735 add_double, neg_double, mul_double_with_sign, mul_double,
1736 lshift_double, rshift_double, lrotate_double, rrotate_double,
1737 div_and_round_double): Move prototypes ...
1738 * double-int.h: ... here.
1740 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1743 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1744 matching constraints to ensure inputs match the output.
1746 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1749 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1750 in an input-only operand.
1752 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1754 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1755 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1756 (double_int_negative_p): Convert to static inline function.
1757 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1758 (double_int_negative_p): Remove.
1759 * tree.h (lshift_double, rshift_double):
1760 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1761 * fold-const.c (fold_convert_const_int_from_real,
1762 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1763 (lshift_double): Change type of arith argument to bool.
1764 (rshift_double): Change type of arith argument to bool. Correct
1766 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1768 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1771 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1772 at the start and end of the then/else blocks, and omit them from the
1774 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1775 argument; all callers changed. Pass zero to old_insns_match_p instead.
1776 (flow_find_head_matching_sequence): New function.
1777 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1778 * basic-block.h (flow_find_cross_jump,
1779 flow_find_head_matching_sequence): Declare functions.
1781 2010-04-14 Jason Merrill <jason@redhat.com>
1784 * c-common.c (attribute_takes_identifier_p): New fn.
1785 * c-common.h: Declare it.
1787 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1789 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1791 (*udivmod<mode>4): Ditto.
1793 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1795 * config/i386/i386.md (maxmin_int): Rename code attribute from
1796 maxminiprefix and update all users.
1797 (maxmin_float): Ditto from maxminfprefix.
1798 (logic): Ditto from logicprefix.
1799 (absneg_mnemonic): Ditto from absnegprefix.
1800 * config/i386/mmx.md: Update all users of maxminiprefix,
1801 maxminfprefix and logicprefix for rename.
1802 * config/i386/sse.md: Ditto.
1803 * config/i386/sync.md (sync_<code><mode>): Update for
1806 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1809 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1810 warnings converted to errors.
1812 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1814 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1815 used insn_type variable.
1816 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1817 to avoid set-but-not-used warning.
1819 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1821 * df-core.c (df_ref_debug): Change format string placeholder
1823 * dwarf2asm.c (dw2_asm_output_data_raw,
1824 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1825 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1826 * dwarf2out.c (output_cfi, output_cfi_directive,
1827 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1828 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1830 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1831 * print-rtl.c (print_rtx): Ditto.
1833 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1836 * builtins.c (expand_builtin_pow_root): New function to expand pow
1837 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1838 series of sqrt and cbrt calls under -ffast-math.
1839 (expand_builtin_pow): Call it.
1841 2010-04-14 Michael Matz <matz@suse.de>
1843 PR tree-optimization/42963
1844 * tree-cfg.c (touched_switch_bbs): New static variable.
1845 (group_case_labels_stmt): New function broken out from ...
1846 (group_case_labels): ... here, use the above.
1847 (start_recording_case_labels): Allocate touched_switch_bbs.
1848 (end_recording_case_labels): Deallocate it, call
1849 group_case_labels_stmt.
1850 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1852 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1854 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1857 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1859 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1861 2010-04-13 Jan Hubicka <jh@suse.cz>
1863 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1864 of optimized out static functions.
1865 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1866 cost computation. Also sanity check for overflows.
1867 (update_caller_keys): Update cgraph_edge_badness call; properly
1868 update fibheap and sanity check that it is up to date.
1869 (add_new_edges_to_heap): Update cgraph_edge_badness.
1870 (cgraph_decide_inlining_of_small_function): Likewise;
1871 add sanity checking that badness in heap is up to date;
1872 improve dumping of reason; Update badness of calls to the
1873 offline copy of function currently inlined; dump badness
1874 of functions not inlined because of unit growth limits.
1876 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1879 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1880 because of sign-extension change when converting to sizetype here...
1881 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1883 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1884 the folding to constants. Remove redundant final conversion.
1885 (fold_binary) <associate>: Do not associate if the re-association of
1886 constants alone overflows.
1887 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1888 to the end of the list.
1889 (multiple_of_p) <COND_EXPR>: New case.
1891 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1893 * opt-functions.awk (opt_sanitized_name): New.
1895 * optc-gen.awk: Use it
1896 * opth-gen.awk: Use it.
1898 2010-04-13 Martin Jambor <mjambor@suse.cz>
1900 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1901 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1902 children. Call replace_uses_with_default_def_ssa_name to handle
1905 2010-04-13 Michael Matz <matz@suse.de>
1908 * builtins.c (expand_builtin_interclass_mathfn): Also create
1909 a register if the predicate doesn't match.
1911 2010-04-13 Diego Novillo <dnovillo@google.com>
1913 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1914 * c-pch.c: Include timevar.h.
1915 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1916 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1917 * ggc-common.c: Include timevar.h.
1918 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1919 * timevar.def (TV_PCH_SAVE): Define.
1920 (TV_PCH_CPP_SAVE): Define.
1921 (TV_PCH_PTR_REALLOC): Define.
1922 (TV_PCH_PTR_SORT): Define.
1923 (TV_PCH_RESTORE): Define.
1924 (TV_PCH_CPP_RESTORE): Define.
1926 2010-04-13 Michael Matz <matz@suse.de>
1928 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1930 (can_reassociate_p): New function.
1931 (break_up_subtract_bb, reassociate_bb): Use it.
1933 2010-04-13 Richard Guenther <rguenther@suse.de>
1936 * builtins.c (c_readstr): Fix assert.
1938 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1940 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1941 when generating cltd insn.
1943 (*ashl<mode>3_1): Remove special handling for register operand 2.
1944 (*ashlsi3_1_zext): Ditto.
1945 (*ashlhi3_1): Ditto.
1946 (*ashlhi3_1_lea): Ditto.
1947 (*ashlqi3_1): Ditto.
1948 (*ashlqi3_1_lea): Ditto.
1949 (*<shiftrt_insn><mode>3_1): Ditto.
1950 (*<shiftrt_insn>si3_1_zext): Ditto.
1951 (*<shiftrt_insn>qi3_1_slp): Ditto.
1952 (*<rotate_insn><mode>3_1): Ditto.
1953 (*<rotate_insn>si3_1_zext): Ditto.
1954 (*<rotate_insn>qi3_1_slp): Ditto.
1956 2010-04-13 Richard Guenther <rguenther@suse.de>
1958 * tree-ssa-structalias.c (callused_id): Remove.
1959 (call_stmt_vars): New.
1960 (get_call_vi): Likewise.
1961 (lookup_call_use_vi): Likewise.
1962 (lookup_call_clobber_vi): Likewise.
1963 (get_call_use_vi): Likewise.
1964 (get_call_clobber_vi): Likewise.
1965 (make_transitive_closure_constraints): Likewise.
1966 (handle_const_call): Adjust to do per-call call-used handling.
1967 (handle_pure_call): Likewise.
1968 (find_what_var_points_to): Remove general callused handling.
1969 (init_base_vars): Likewise.
1970 (init_alias_vars): Initialize call_stmt_vars.
1971 (compute_points_to_sets): Process call-used and call-clobbered
1972 vars for call statements.
1973 (delete_points_to_sets): Free call_stmt_vars.
1975 2010-04-13 Richard Guenther <rguenther@suse.de>
1977 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1978 Only add RW dependence for dependence distance zero.
1979 Adjust maximal vectorization factor according to dependences.
1980 Move alignment handling ...
1981 (vect_find_same_alignment_drs): ... here. New function.
1982 (vect_analyze_data_ref_dependences): Adjust.
1983 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1984 (vect_analyze_data_refs): Adjust minimal vectorization factor
1985 according to data references.
1986 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1987 dependences before determining the vectorization factor.
1988 Analyze alignment after determining the vectorization factor.
1989 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1990 dependences before alignment.
1991 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1993 (vect_analyze_data_refs): Likewise.
1994 (MAX_VECTORIZATION_FACTOR): New define.
1996 2010-04-13 Duncan Sands <baldrick@free.fr>
1998 * except.h (lang_eh_type_covers): Remove.
1999 * except.c (lang_eh_type_covers): Likewise.
2001 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2002 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2004 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2005 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2006 UNITS_PER_LONG where it is ABI relevant.
2007 (s390_return_addr_rtx): Likewise.
2008 (s390_back_chain_rtx): Likewise.
2009 (s390_frame_area): Likewise.
2010 (s390_frame_info): Likewise.
2011 (s390_initial_elimination_offset): Likewise.
2012 (save_gprs): Likewise.
2013 (s390_emit_prologue): Likewise.
2014 (s390_emit_epilogue): Likewise.
2015 (s390_function_arg_advance): Likewise.
2016 (s390_function_arg): Likewise.
2017 (s390_va_start): Likewise.
2018 (s390_gimplify_va_arg): Likewise.
2019 (s390_function_profiler): Likewise.
2020 (s390_optimize_prologue): Likewise.
2021 (s390_rtx_costs): Likewise.
2022 (s390_secondary_reload): Likewise.
2023 (s390_promote_function_mode): Likewise.
2024 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2025 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2026 registers available.
2027 (s390_unwind_word_mode): New function.
2028 (s390_function_value): Split 64 bit values into register pair if
2029 used as return value.
2030 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2031 function call parameters. Handle parallels.
2032 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2033 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2034 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2035 (s390_expand_setmem): Remove unused variable src_addr.
2036 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2037 deal with 64 bit registers.
2038 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2039 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2040 (UNITS_PER_LONG): New macro.
2041 * libjava/include/s390-signal.h: Define extended ucontext
2042 structure containing the upper halfs of the 64 bit registers.
2044 2010-04-13 Simon Baldwin <simonb@google.com>
2046 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2048 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2050 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2051 rvalue on the RHS if the LHS is of a non-renamable type.
2052 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2054 2010-04-13 Matthias Klose <doko@ubuntu.com>
2056 * gcc.c (cc1_options): Handle -iplugindir before processing
2057 the cc1 spec. Only add -iplugindir once.
2058 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2060 * common.opt (iplugindir): Remove `Separate' property, initialize.
2061 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2063 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2064 (distclean): Remove plugin dir.
2065 * doc/invoke.texi: Document -iplugindir.
2067 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2069 * doc/plugins.texi (Loading Plugins): Document short
2070 -fplugin=foo option.
2071 (Plugin API): Mention default_plugin_dir_name function.
2073 * gcc.c (find_file_spec_function): Add new declaration.
2074 (static_spec_func): Use it for "find-file".
2075 (find_file_spec_function): Add new function.
2076 (cc1_options): Add -iplugindir option if -fplugin* options found.
2078 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2080 * plugin.c (add_new_plugin): Updated comment, and handle short
2082 (default_plugin_dir_name): Added new function.
2084 * common.opt (iplugindir): New option to set the plugin directory.
2086 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2088 * config/i386/i386.md (any_rotate): New code iterator.
2089 (rotate_insn): New code attribute.
2091 (SWIM124): New mode iterator.
2092 (<rotate_insn>ti3): New expander.
2093 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2094 any_rotate code iterator.
2095 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2096 using any_rotate code iterator and SWIM124 mode iterator.
2097 (ix86_rotlti3): New insn_and_split pattern.
2098 (ix86_rotrti3): Ditto.
2099 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2100 ix86_rotl{di,ti}3 patterns.
2101 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2102 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2103 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2104 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2105 code iterator and SWI mode iterator.
2106 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2107 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2109 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2110 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2111 (bswap rotatert splitter): Add splitter.
2112 (bswap splitter): Macroize splitter using any_rotate code iterator.
2113 Add insn predicate to split only for TARGET_USE_XCHGB or when
2114 optimizing function for size.
2116 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2118 * config/pa/pa.c (emit_move_sequence): Remove use of
2119 deleted variable flag_argument_noalias.
2121 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2123 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2125 Add to unsupported targets list.
2126 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2127 sparc*-sun-solaris2.[567]* from target lists.
2128 * configure: Regenerate.
2129 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2131 Remove Solaris 7 patch references.
2132 (Specific, sparc-sun-solaris2.7): Removed.
2133 (sparc-sun-solaris2*): Update Solaris 7 example.
2134 (sparc64-*-solaris2*): Likewise.
2136 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2138 * config.build (alpha*-dec-osf4*): Remove.
2139 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2140 of obsolete configurations.
2141 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2143 * config/alpha/t-osf4: Renamed to ...
2144 * config/alpha/t-osf5: ... this.
2145 * config/alpha/osf.h: Renamed to ...
2146 * config/alpha/osf5.h: ... this.
2147 Merged old osf5.h contents.
2149 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2150 (EXTRA_SPECS): Removed.
2151 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2152 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2155 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2157 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2159 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2162 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2163 __thiscall convention.
2165 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2167 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2169 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2171 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2173 * function.c (assign_parms_initialize_all): Add unused attribute
2176 2010-04-12 Richard Guenther <rguenther@suse.de>
2178 * gsstruct.def (GSS_CALL): New.
2179 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2180 * gimple.h: Include tree-ssa-alias.h.
2181 (struct gimple_statement_call): New.
2182 (union gimple_statement_struct_d): Add gimple_call member.
2183 (gimple_call_reset_alias_info): Declare.
2184 (gimple_call_use_set): New function.
2185 (gimple_call_clobber_set): Likewise.
2186 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2187 * gimple.c (gimple_call_reset_alias_info): New function.
2188 (gimple_build_call_1): Call it.
2189 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2190 * tree-inline.c (remap_gimple_stmt): Likewise.
2191 (expand_call_inline): Remove callused handling.
2192 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2193 * tree-dfa.c (dump_variable): Likewise.
2194 * tree-parloops.c (parallelize_loops): Likewise.
2195 * tree-ssa.c (init_tree_ssa): Likewise.
2196 (delete_tree_ssa): Likewise.
2197 * tree-flow-inline.h (is_call_used): Remove.
2198 * tree-flow.h (struct gimple_df): Remove callused member.
2199 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2200 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2201 (ref_maybe_used_by_call_p_1): Simplify.
2202 (call_may_clobber_ref_p_1): Likewise.
2203 * tree-ssa-structalias.c (compute_points_to_sets): Set
2204 the call stmt used and clobbered sets.
2205 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2206 (find_tail_calls): Verify the tail call.
2208 2010-04-12 Richard Guenther <rguenther@suse.de>
2210 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2211 single-iteration always-inline inlining.
2212 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2213 (cgraph_decide_inlining): Do not handle always-inline specially.
2214 (try_inline): Remove always-inline cycle detection special case.
2215 Do not recurse on always-inlines.
2216 (cgraph_early_inlining): Do not iterate if not optimizing.
2217 (cgraph_gate_early_inlining): remove.
2218 (pass_early_inline): Run unconditionally.
2219 (gate_cgraph_decide_inlining): New function.
2220 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2221 not inlining or optimizing.
2222 (cgraph_decide_inlining_of_small_functions): Also consider
2223 always-inline functions.
2224 (cgraph_default_inline_p): Return true for nodes which should
2225 disregard inline limits.
2226 (estimate_function_body_sizes): Assume zero size and time for
2227 nodes which are marked as disregarding inline limits.
2228 (cgraph_decide_recursive_inlining): Do not perform recursive
2229 inlining on always-inline nodes.
2231 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2234 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2235 for exprs satisfying handled_component_p.
2237 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2239 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2240 non-constant aggregate elements.
2242 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2243 is a real initialization.
2245 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2248 * c-decl.c (start_function): Move forward check for nested function.
2250 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2252 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2253 * config/sh/sh.c: Include reload.h.
2254 (sh_legitimize_reload_address): New.
2255 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2256 sh_legitimize_reload_address.
2258 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2260 * config/sh/sh.md (*movqi_pop): New insn pattern.
2261 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2263 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2265 * config/i386/i386.md (any_shiftrt): New code iterator.
2266 (shiftrt_insn): New code attribute.
2268 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2269 using any_shiftrt code iterator.
2270 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2271 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2272 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2273 pattern from corresponding peephole2 patterns.
2274 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2275 using any_shiftrt code iterator.
2276 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2277 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2278 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2279 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2280 *{ashr,lshr}<mode>3_cmp_zext.
2281 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2283 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2285 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2287 (*lshr<mode>3_cconly): Ditto.
2289 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2291 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2292 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2293 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2294 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2296 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2297 from corresponding peephole2 patterns.
2298 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2299 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2300 and *lshrdi3_1_rex64 using SWI mode iterator.
2301 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2302 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2303 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2304 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2305 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2306 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2307 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2308 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2309 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2312 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2314 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2315 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2316 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2317 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2319 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2320 from corresponding peephole2 patterns.
2321 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2322 (ashrsi3_cvt): Rename from ashrsi3_31.
2323 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2324 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2325 and x86_64_shift_adj_3 using SWI48 mode iterator.
2326 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2327 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2328 and *ashrdi3_1_rex64 using SWI mode iterator.
2329 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2330 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2331 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2332 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2333 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2334 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2335 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2336 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2337 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2339 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2340 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2341 x86_shift<mode>_adj_3 expanders.
2343 2010-04-10 Wei Guozhi <carrot@google.com>
2346 * config/arm/arm.c (arm_pic_static_addr): New function.
2347 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2349 (arm_output_addr_const_extra): Output expression for new pattern.
2350 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2352 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2354 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2357 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2358 * web.c: Include "insn-config.h" and "recog.h".
2359 (union_match_dups): New function.
2360 (web_main): Call it.
2361 (union_defs): Don't try to recognize match_dups.
2363 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2364 if doing so would replace the entire pattern.
2366 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2370 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2371 and splitter pattern. Change splitter operand 1 predicate to
2374 2010-04-09 Martin Jambor <mjambor@suse.cz>
2376 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2377 lattices are addresses of CONST_DECLs with the same initial value.
2378 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2379 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2381 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2382 Bernd Schmidt <bernds@codesourcery.com>
2384 * loop-invariant.c (replace_uses): New static function.
2385 (move_invariant_reg): Use it to ensure we can replace the uses.
2387 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2389 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2391 (picochip_override_options): Enable section anchors only above -O1.
2392 (picochip_reorg): Fixed a couple of build warnings.
2394 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2396 * configure.ac (plugin -rdynamic test): Log result.
2397 * configure: Regenerate.
2398 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2399 (RDYNAMIC_SPEC): Define.
2400 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2402 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2404 * configure.ac: Determine Sun ld version numbers.
2405 (comdat_group): Restrict GNU ld version checks to gld.
2406 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2407 (enable_comdat): Support --enable-comdat.
2408 * configure: Regenerate.
2409 * doc/install.texi (Configuration): Document --enable-comdat.
2411 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2413 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2414 * config/sol2-gld.h: ... here.
2415 * config.gcc (sparc*-*-solaris2*): Reflect this.
2416 (i[34567]86-*-solaris2*): Use it.
2418 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2420 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2422 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2424 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2427 * diagnostic.c (diagnostic_initialize): Initialize
2428 some_warnings_are_errors.
2429 (diagnostic_finish): New.
2430 (diagnostic_action_after_output): Call it before exiting.
2431 (diagnostic_report_diagnostic): Do not print message here. Set
2432 some_warnings_are_errors.
2433 * diagnostic.h (diagnostic_context): Delete
2434 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2435 (diagnostic_finish): Declare.
2436 * toplev.c (toplev_main): Call it before exit.
2438 2010-04-09 Jason Merrill <jason@redhat.com>
2441 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2442 for incomplete type.
2445 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2446 based on a warning flag.
2448 2010-04-09 Richard Guenther <rguenther@suse.de>
2450 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2452 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2455 * varasm.c (default_assemble_visibility): Wrap vars that are
2456 set, but unused, by targets without GAS.
2457 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2458 Remove set, but unused, vars.
2459 (rs6000_legitimize_tls_address): Likewise.
2460 (altivec_expand_dst_builtin): Likewise.
2461 * config/darwin.c (machopic_classify_symbol): Likewise.
2462 (machopic_indirection_name): Likewise.
2464 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2466 * config/i386/i386.md (DWI): New mode iterator.
2467 (S): New mode attribute.
2468 (shift_operand): Ditto.
2469 (shift_immediate_operand): Ditto.
2470 (ashl_input_operand): Ditto.
2471 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2472 using SDWIM mode iterator.
2473 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2474 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2476 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2477 from corresponding peephole2 patterns.
2478 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2479 and x86_64_shift_adj_1 using SWI48 mode iterator.
2480 (x86_shift<mode>_adj_2): Ditto.
2481 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2482 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2483 using SWI48 mode iterator.
2484 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2485 *ashldi3_cmp_rex64 using SWI mode iterator.
2486 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2487 *ashldi3_cconly_rex64 using SWI mode iterator.
2488 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2489 x86_shift<mode>_adj_{1,2}.
2490 (ix86_split_ashr): Ditto.
2491 (ix86_split_lshr): Ditto.
2493 2010-04-09 Richard Guenther <rguenther@suse.de>
2495 * target.h (builtin_conversion): Pass in input and output types.
2496 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2497 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2498 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2499 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2501 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2503 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2505 2010-04-09 Richard Guenther <rguenther@suse.de>
2508 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2510 2010-04-09 Richard Guenther <rguenther@suse.de>
2512 * tree-vectorizer.h (struct _stmt_vec_info): Document
2513 that vectype is the type of the LHS.
2514 (supportable_widening_operation, supportable_narrowing_operation):
2515 Get both input and output vector types as arguments.
2516 (vect_is_simple_use_1): Declare.
2517 (get_same_sized_vectype): Likewise.
2518 * tree-vect-loop.c (vect_determine_vectorization_factor):
2519 Set STMT_VINFO_VECTYPE to the vector type of the def.
2520 (vectorizable_reduction): Adjust.
2521 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2522 Adjust. Specify the output vector type.
2523 (vect_pattern_recog_1): Adjust.
2524 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2525 (vectorizable_call): Adjust.
2526 (vectorizable_conversion): Likewise.
2527 (vectorizable_operation): Likewise.
2528 (vectorizable_type_demotion): Likewise.
2529 (vectorizable_type_promotion): Likewise.
2530 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2532 (vect_is_simple_use_1): New function.
2533 (supportable_widening_operation): Get both input and output
2535 (supportable_narrowing_operation): Likewise.
2536 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2538 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2540 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2541 __thiscall and _thiscall as predefined macros.
2542 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2543 thiscall attribute handling.
2544 (ix86_comp_type_attributes): Likewise.
2545 (ix86_function_regparm): Likewise.
2546 (ix86_return_pops_args): Likewise.
2547 (init_cumulative_args): Likewise.
2548 (find_drap_reg): Likewise.
2549 (ix86_static_chain): Likewise.
2550 (x86_this_parameter): Likewise.
2551 (x86_output_mi_thunk): Likewise.
2552 (ix86_attribute_table): Add description for thiscall attribute.
2553 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2554 * doc/extend.texi: Add documentation for thiscall.
2556 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2559 * c.opt (Wint-to-pointer-cast): Available in C++.
2560 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2562 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2564 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2565 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2566 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2567 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2568 function type instead. Reorder and simplify checks.
2570 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2572 2010-04-08 Jing Yu <jingyu@google.com>
2573 Zdenek Dvorak <ook@ucw.cz>
2575 PR tree-optimization/42720
2576 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2577 loop unswitch conditions here from ...
2578 (tree_unswitch_single_loop): ... here.
2580 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2582 * tree-if-conv.c: Fix comments and simplify logic.
2584 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2586 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2587 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2588 (main_tree_if_conversion): Update call to tree_if_conversion.
2590 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2593 * doc/invoke.texi (-b,-V): Delete.
2594 * doc/tm.texi: Do not mention -b.
2595 * gcc.c (display_help): Delete -b and -V.
2596 (process_command): Delete -b and -V.
2597 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2599 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2600 Wolfgang Gellerich <gellerich@de.ibm.com>
2602 Implement target hook for loop unrolling
2603 * target.h (loop_unroll_adjust): Add a new target hook function.
2604 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2605 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2606 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2607 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2608 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2610 (decide_unroll_stupid): Likewise.
2612 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2615 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2617 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2619 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2620 (Specific, *-*-solaris2*): Likewise.
2621 Don't prefer Sun as over GNU as.
2623 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2625 * config/s390/s390.c (override_options): Adjust the z10
2626 defaults for max-unroll-times, max-completely-peeled-insns
2627 and max-completely-peel-times.
2629 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2631 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2632 instructions for z10.
2633 (s390_expand_setmem): Likewise.
2634 (s390_expand_cmpmem): Likewise.
2636 2010-04-08 Richard Guenther <rguenther@suse.de>
2638 PR tree-optimization/43679
2639 * tree-ssa-pre.c (eliminate): Only propagate copies.
2641 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2644 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2645 set but not used variable warning.
2647 2010-04-08 Wei Guozhi <carrot@google.com>
2650 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2651 (arm_size_rtx_costs): Call the new function when optimized for size.
2653 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2656 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2657 op0 is not a MEM, just return NULL instead of assertion
2659 (discover_nonconstant_array_refs): Don't walk debug stmts.
2661 2010-04-08 Doug Kwan <dougkwan@google.com>
2663 * configure.ac: Recognize gold and do not use its version number
2664 to test ld features.
2665 * configure: Regenerate.
2667 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2670 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2671 (negate_value): Move code to push elements to broken_up_substracts ...
2672 (eliminate_plus_minus_pair): ... here. Push operands that have no
2673 negative pair to plus_negates.
2674 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2676 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2678 * doc/install.texi (Configuration): Move description of
2679 --enable-lto, --with-libelf*, --enable-gold from Java section to
2682 * doc/generic.texi (Working with declarations)
2683 (Function Properties, C and C++ Trees): Fix typos.
2684 * doc/sourcebuild.texi (Top Level): Likewise.
2686 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2689 * tree.h (DECL_READ_P): Define.
2690 (struct tree_decl_common): Add decl_read_flag.
2691 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2692 a set but not used warning.
2693 (merge_decls): Merge DECL_READ_P flag.
2694 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2695 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2696 * c-common.c (handle_used_attribute, handle_unused_attribute):
2698 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2700 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2702 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2703 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2704 c_parser_binary_expression, c_parser_cast_expression,
2705 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2706 Call default_function_array_read_conversion instead of
2707 default_function_array_conversion where needed.
2708 (c_parser_unary_expression, c_parser_conditional_expression,
2709 c_parser_postfix_expression_after_primary, c_parser_initelt):
2710 Likewise. Call mark_exp_read where needed.
2711 (c_parser_statement_after_labels, c_parser_asm_operands,
2712 c_parser_typeof_specifier, c_parser_sizeof_expression,
2713 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2715 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2717 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2718 (warn_unused_but_set_parameter): Default to warn_unused
2720 * doc/invoke.texi: Document -Wunused-but-set-variable and
2721 -Wunused-but-set-parameter.
2723 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2724 used count variable.
2725 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2726 when operandN variables aren't used in the body of the expander
2728 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2729 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2730 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2731 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2732 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2733 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2734 * tree.c (PROCESS_ARG): Likewise.
2736 2010-04-07 Simon Baldwin <simonb@google.com>
2738 * diagnostic.h (diagnostic_override_option_index): New macro to
2739 set a diagnostic's option_index.
2740 * c-tree.h (c_cpp_error): Add warning reason argument.
2741 * opts.c (_warning_as_error_callback): New.
2742 (register_warning_as_error_callback): Store callback for
2743 warnings enabled via enable_warning_as_error.
2744 (enable_warning_as_error): Call callback, minor code tidy.
2745 * opts.h (register_warning_as_error_callback): Declare.
2746 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2747 response to -Werror=.
2748 (c_common_init_options): Register warning_as_error_callback in opts.c.
2749 * common.opt: Add -Wno-cpp option.
2750 * c-common.c (struct reason_option_codes_t): Map cpp warning
2751 reason codes to gcc option indexes.
2752 * (c_option_controlling_cpp_error): New function, lookup the gcc
2753 option index for a cpp warning reason code.
2754 * (c_cpp_error): Add warning reason argument, call
2755 c_option_controlling_cpp_error for diagnostic_override_option_index.
2756 * doc/invoke.texi: Document -Wno-cpp.
2758 2010-04-07 Richard Guenther <rguenther@suse.de>
2760 * ipa-reference.c (mark_load): Use get_base_address.
2761 (mark_store): Likewise.
2763 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2764 inserting GIMPLE_NOPs into the IL.
2765 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2766 Explicitly strip handled components and indirect references.
2768 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2769 folding address expressions.
2770 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2771 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2772 operand_equal_p to compare decls.
2773 (ptr_deref_may_alias_decl_p): Likewise.
2774 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2775 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2776 Handle reversed comparison ops.
2777 * tree-sra.c (asm_visit_addr): Use get_base_address.
2778 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2779 * ipa-reference.c (mark_address): Use get_base_address.
2781 2010-04-07 Richard Guenther <rguenther@suse.de>
2783 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2784 Propagate constants everywhere.
2786 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2789 * tree.c (MAX_INT_CACHED_PREC): Define.
2790 (nonstandard_integer_type_cache): New array.
2791 (build_nonstandard_integer_type): Cache results for precision
2792 <= MAX_INT_CACHED_PREC.
2794 2010-04-07 Richard Guenther <rguenther@suse.de>
2796 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2797 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2798 * common.opt: Likewise.
2799 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2800 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2801 (nonoverlapping_memrefs_p): Likewise.
2802 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2803 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2804 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2805 OPT_fargument_noalias_global for backward compatibility.
2807 2010-04-07 Richard Guenther <rguenther@suse.de>
2809 PR tree-optimization/43270
2810 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2811 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2812 * tree-ssa-pre.c (phi_translate_1): Adjust.
2813 (fully_constant_expression): Split out vn_reference handling to ...
2814 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2815 Fold reads from constant strings.
2816 (vn_reference_lookup): Handle fully constant references.
2817 (vn_reference_lookup_pieces): Likewise.
2818 * Makefile.in (expmed.o-warn): Add -Wno-error.
2820 2010-04-07 Martin Jambor <mjambor@suse.cz>
2822 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2824 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2827 * gcc.c: Add -static-libstdc++ to list of recognized options.
2829 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2831 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2833 2010-04-07 Richard Guenther <rguenther@suse.de>
2836 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2837 bases build simple mem attributes to retain points-to information.
2839 2010-04-07 Richard Guenther <rguenther@suse.de>
2842 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2843 preserve points-to related information.
2845 2010-04-07 Richard Guenther <rguenther@suse.de>
2848 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2849 discard plain indirect references.
2850 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2851 * tree.c (tree_nop_conversion): Likewise.
2853 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2856 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2858 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2860 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2861 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2863 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2865 * tree-if-conv.c: Fix indentation and comments.
2867 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2869 * tree-if-conv.c: Sort static functions in topological order.
2871 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2873 * tree-if-conv.c: Fix indentation and comments.
2875 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2878 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2879 lang_hooks.types.type_for_size instead of
2880 build_nonstandard_integer_type.
2881 When converting an unsigned type to signed, double its precision.
2882 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2883 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2884 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2887 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2890 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2891 POINTER_PLUS_EXPR for pointer types.
2893 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2896 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2897 * graphite-clast-to-gimple.c: Include langhooks.h.
2898 (max_signed_precision_type): New.
2899 (max_precision_type): Takes two types as arguments.
2900 (precision_for_value): New.
2901 (precision_for_interval): New.
2902 (gcc_type_for_interval): New.
2903 (gcc_type_for_value): New.
2904 (gcc_type_for_clast_term): New.
2905 (gcc_type_for_clast_red): New.
2906 (gcc_type_for_clast_bin): New.
2907 (gcc_type_for_clast_expr): Split up into several functions.
2908 (gcc_type_for_clast_eq): Rewritten.
2909 (compute_bounds_for_level): New.
2910 (compute_type_for_level_1): New.
2911 (compute_type_for_level): New.
2912 (gcc_type_for_cloog_iv): Removed.
2913 (gcc_type_for_iv_of_clast_loop): Rewritten.
2914 (graphite_create_new_loop): Compute the lower and upper bound types
2915 with gcc_type_for_clast_expr.
2916 (graphite_create_new_loop_guard): Same.
2917 (find_cloog_iv_in_expr): Removed.
2918 (compute_cloog_iv_types_1): Removed.
2919 (compute_cloog_iv_types): Removed.
2920 (gloog): Do not call compute_cloog_iv_types.
2921 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2923 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2924 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2925 (GBB_CLOOG_IV_TYPES): Removed.
2927 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2929 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2930 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2931 (detect_commutative_reduction): Same.
2933 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2935 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2936 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2938 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2939 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2940 (rewrite_commutative_reductions_out_of_ssa): Same.
2941 * passes.c (execute_function_todo): Call verify_ssa for every pass
2942 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2943 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2944 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2945 with an extra argument.
2946 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2947 verify_ssa only when the extra argument is true.
2948 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2949 with an extra argument.
2950 (tree_transform_and_unroll_loop): Same.
2952 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2954 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2955 for all the passes of the LNO having LOOP_CLOSED_SSA.
2956 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2957 * tree-loop-distribution.c (pass_loop_distribution): Same.
2958 * tree-pass.h (TODO_verify_loops): Removed.
2959 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2961 (pass_tree_unswitch): Same.
2962 (pass_predcom): Same.
2963 (pass_vectorize): Same.
2964 (pass_linear_transform): Same.
2965 (pass_graphite_transforms): Same.
2966 (pass_iv_canon): Same.
2967 (pass_complete_unroll): Same.
2968 (pass_complete_unrolli): Same.
2969 (pass_parallelize_loops): Same.
2970 (pass_loop_prefetch): Same.
2971 (pass_iv_optimize): Same.
2973 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2976 * passes.c (init_optimization_passes): Move pass_lim before
2977 pass_copy_prop and pass_dce_loop.
2979 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2982 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2983 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2984 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2985 MULTI_* defines for 4 argument vpermil2p* builtins.
2987 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2989 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2990 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2991 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2992 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2993 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2994 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2995 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2996 Use x86_maybe_negate_const_int to output insn mnemonic.
2997 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2998 check from instruction predicate. Update comments.
2999 * config/i386/sync.md (sync_add<mode>): Use
3000 x86_maybe_negate_const_int to output insn mnemonic.
3002 2010-04-06 Jan Hubicka <jh@suse.cz>
3004 PR tree-optimization/42906
3005 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3006 IGNORE_SELF argument. Set visited_control_parents for fully
3008 (find_obviously_necessary_stmts): Update call of
3009 mark_control_dependent_edges_necessary.
3010 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3012 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3014 * config/i386/i386.md: Remove comment about 'e' and 'E'
3017 2010-04-06 Richard Guenther <rguenther@suse.de>
3019 PR tree-optimization/43627
3020 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3021 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3024 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3026 * BASE-VER: Change to 4.6.0.
3029 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3032 2010-04-06 Richard Guenther <rguenther@suse.de>
3035 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3037 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3039 * doc/invoke.texi (Optimize Options): Document that LTO
3040 won't remove object access purely due to incompatible
3043 2010-04-04 Matthias Klose <doko@ubuntu.com>
3045 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3046 Initialize variable.
3048 2010-04-03 Richard Guenther <rguenther@suse.de>
3051 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3052 require a non-NULL MEM_OFFSET.
3054 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3056 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3057 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3058 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3059 config/alpha/predicates.md, config/arm/arm.md,
3060 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3061 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3062 config/darwin9.h, config/darwin.c, config/darwin.h,
3063 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3064 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3065 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3066 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3067 config/mips/mips.md, config/mn10300/mn10300.c,
3068 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3069 config/rs6000/aix.h, config/rs6000/dfp.md,
3070 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3071 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3072 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3073 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3074 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3075 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3076 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3077 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3078 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3079 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3080 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3081 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3082 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3083 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3084 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3085 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3086 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3087 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3088 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3089 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3090 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3091 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3092 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3093 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3094 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3095 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3096 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3097 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3098 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3099 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3100 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3101 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3102 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3103 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3104 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3105 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3107 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3110 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3111 * aclocal.m4: Regenerate.
3113 2010-04-02 Richard Guenther <rguenther@suse.de>
3115 PR tree-optimization/43629
3116 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3117 if we have seen a constant value.
3119 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3121 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3123 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3126 * arm.c (legitimize_tls_address): Adjust call to
3127 gen_tls_load_dot_plus_four.
3128 (arm_note_pic_base): New function.
3129 (arm_cannot_copy_insn_p): Use it.
3130 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3133 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3138 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3140 * Makefile.in ($(out_object_file)): Depend on
3141 gt-$(basename $(notdir $(out_file))).h.
3143 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3145 * config.gcc (lm32-*-rtems*): Add t-lm32.
3147 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3149 * config.gcc: Add lm32-*-rtems*.
3150 * config/lm32/rtems.h: New file.
3152 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3155 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3157 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3159 * dwarf2out.c (output_compilation_unit_header): For
3160 -gdwarf-4 use version 4 instead of version 3.
3161 (output_line_info): For version 4 and above emit additional
3162 maximum ops per insn header field.
3163 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3165 * dwarf2out.c (is_c_family, is_java): Remove.
3166 (lower_bound_default): New function.
3167 (add_bound_info, gen_descr_array_type_die): Use it.
3169 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3172 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3173 re-declaration when it happens in a function.
3175 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3177 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3178 (cgraph_remove_function_insertion_hook): Same.
3179 (cgraph_call_function_insertion_hooks): Same.
3181 2010-04-01 Richard Guenther <rguenther@suse.de>
3184 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3185 and TREE_THIS_VOLATILE.
3186 (copy_ref_info): Likewise.
3187 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3188 * tree.c (build6_stat): Ignore side-effects of all but arg5
3189 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3192 2010-04-01 Richard Guenther <rguenther@suse.de>
3194 PR tree-optimization/43607
3195 * ipa-type-escape.c (check_call): Do not access non-existing
3198 2010-04-01 Richard Guenther <rguenther@suse.de>
3202 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3203 Jack Howarth <howarth@bromo.med.uc.edu>
3205 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3208 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3210 * doc/install.texi (Prerequisites): Document libelf usability on
3211 IRIX 5/6 and Solaris 2.
3212 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3213 Update GNU as, GNU ld requirements.
3214 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3215 Document Sun Studio compiler download.
3216 Update and simplify as, ld recommendations.
3217 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3219 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3221 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3222 with_tune_32 to pentium4.
3224 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3226 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3228 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3230 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3231 obsoletion, removal.
3233 Document GNU as requirement.
3234 Update configure requirements.
3235 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3236 Recomment IRIX 6.5.18+.
3237 Document IDF/IDL requirement.
3238 Document GNU as requirement.
3239 Document GNU ld bootstrap failure.
3240 Remove freeware.sgi.com reference.
3242 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3244 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3245 UNIX V4.0, V5.0 obsoletion, removal.
3246 Remove --with-gc=simple reference.
3247 Update VM requirements during bootstrap.
3248 Remove -oldas bootstrap description.
3249 Update binutils reference.
3250 Remove comparison failure note.
3252 2010-03-31 Richard Guenther <rguenther@suse.de>
3253 Zdenek Dvorak <ook@ucw.cz>
3254 Sebastian Pop <sebastian.pop@amd.com>
3257 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3258 with multiple arguments.
3259 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3261 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3263 * graphite-dependences.c (print_pddr): Call print_pdr with an
3265 * graphite-poly.c (debug_pdr): Add an extra argument for the
3268 (print_pbb_domain): Same.
3270 (print_scop_context): Same.
3272 (print_cloog): Same.
3273 (debug_pbb_domain): Same.
3277 (debug_scop_context): Same.
3279 (debug_cloog): Same.
3280 (print_scop_params): Same.
3281 (debug_scop_params): Same.
3282 (print_iteration_domain): Same.
3283 (print_iteration_domains): Same.
3284 (debug_iteration_domain): Same.
3285 (debug_iteration_domains): Same.
3286 (print_scattering_function): Same.
3287 (print_scattering_functions): Same.
3288 (debug_scattering_function): Same.
3289 (debug_scattering_functions): Same.
3290 * graphite-poly.h (debug_pdr): Update declaration.
3292 (print_pbb_domain): Same.
3294 (print_scop_context): Same.
3296 (print_cloog): Same.
3297 (debug_pbb_domain): Same.
3301 (debug_scop_context): Same.
3303 (debug_cloog): Same.
3304 (print_scop_params): Same.
3305 (debug_scop_params): Same.
3306 (print_iteration_domain): Same.
3307 (print_iteration_domains): Same.
3308 (debug_iteration_domain): Same.
3309 (debug_iteration_domains): Same.
3310 (print_scattering_function): Same.
3311 (print_scattering_functions): Same.
3312 (debug_scattering_function): Same.
3313 (debug_scattering_functions): Same.
3315 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3317 * graphite-poly.c (print_scattering_function_1): New.
3318 (print_scattering_function): Call it.
3319 (print_scop_params): Remove spaces at the end of lines.
3322 * graphite-poly.h (print_cloog): Declared.
3323 (debug_cloog): Declared.
3325 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3327 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3329 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3330 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3331 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3332 to switch between adding the IV bump in loop->latch or in loop->header.
3334 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3336 * graphite-poly.c (print_scattering_function): Pretty print following
3339 (print_pbb_domain): Same.
3340 (dump_gbb_cases): Same.
3341 (dump_gbb_conditions): Same.
3344 (print_scop_params): Same.
3345 (print_scop_context): Same.
3347 (print_pbb_body): New.
3348 (lst_indent_to): New.
3349 (print_lst): Start new lines with a #.
3350 * graphite-poly.h (pbb_bb): New.
3351 (pbb_index): Use pbb_bb.
3352 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3354 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3356 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3358 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3359 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3360 and 0 instead of 1 for dw_val_class_flag.
3361 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3362 dw_val_class_range_list, dw_val_class_loc_list,
3363 dw_val_class_lineptr and dw_val_class_macptr, use
3364 DW_FORM_flag_present for dw_val_class_flag and
3365 DW_FORM_exprloc for dw_val_class_loc.
3366 (output_die): For -gdwarf-4 print dw_val_class_loc
3367 size as uleb128 instead of 1 or 2 bytes and don't print
3368 anything for dw_val_class_flag.
3370 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3371 instead of cselib_lookup following by tweaking locs->setting_insn.
3374 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3375 even before returning from label, setjmp call or volatile asm
3378 2010-03-31 Richard Guenther <rguenther@suse.de>
3381 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3382 temporary data on stack.
3384 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3386 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3387 (PUSHSECTION_ASM_OP): Remove.
3388 (POPSECTION_ASM_OP): Remove.
3389 (PUSHSECTION_FORMAT): Remove.
3390 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3391 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3392 * config/sol2.c (solaris_output_init_fini): Use it.
3394 2010-03-31 Jie Zhang <jie@codesourcery.com>
3397 * opt-functions.awk (var_type_struct): Use signed char type
3398 for simple variables.
3400 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3402 * config/sol2.c: Include output.h.
3403 (solaris_assemble_visibility): New function.
3404 * config/t-sol2 (sol2.o): Add output.h dependency.
3405 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3406 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3409 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3412 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3413 V2SImode or XFmode on PRE_DEC.
3416 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3419 2010-03-31 Jie Zhang <jie@codesourcery.com>
3422 * reload.h (caller_save_initialized_p): Declare.
3423 * toplev.c (backend_init_target): Don't call
3424 init_caller_save but set caller_save_initialized_p to false.
3425 * caller-save.c (caller_save_initialized_p): Define.
3426 (init_caller_save): Check caller_save_initialized_p.
3427 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3429 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3432 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3433 and soft-fp/t-softfp to tmake_file.
3434 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3435 (LIBGCC2_TF_CEXT): Define.
3438 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3441 * cselib.c (n_useless_values): Document handling of debug locs.
3442 (n_useless_debug_values, n_debug_values): New variables.
3443 (new_elt_loc_list): Don't add to debug values, keep count.
3444 (promote_debug_loc): New.
3445 (cselib_reset_table): Zero new variables.
3446 (entry_and_rtx_equal_p): Promote debug locs.
3447 (discard_useless_locs): Increment n_useless_debug_values for
3449 (remove_useless_values): Adjust n_useless_values and n_debug_values
3450 with n_useless_debug_values.
3451 (add_mem_for_addr): Promote debug locs.
3452 (cselib_lookup_mem): Likewise.
3453 (cselib_lookup_addr): Renamed to...
3454 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3455 (cselib_log_lookup): ... this. Turn into...
3456 (cselib_lookup_addr): ... new wrapper.
3457 (cselib_lookup_from_insn): New.
3458 (cselib_invalidate_regno): Increment n_useless_debug_values for
3460 (cselib_invalidate_mem): Likewise.
3461 (cselib_process_insn): Take n_deleted and n_debug_values into
3462 account to guard remove_useless_value call.
3463 (cselib_finish): Zero n_useless_debug_values.
3464 * cselib.h (cselib_lookup_from_insn): Declare.
3465 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3466 (sched_analyze_2): Likewise.
3468 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3470 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3472 (adjust_mems): Replace narrowing SUBREG of expression containing
3473 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3474 with operations in the narrower mode.
3477 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3478 regs_invalidated_by_call instead all call_used_reg_set registers.
3480 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3483 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3484 pointer comparisons with types_compatible_p.
3485 * tree-vect-stmts.c (vectorizable_call): Same.
3486 (vectorizable_condition): Same.
3488 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3490 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3491 stack check if the mask would be zero.
3493 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3494 Jack Howarth <howarth@bromo.med.uc.edu>
3496 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3499 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3502 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3504 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3505 Include ___unordxf2 and ___unordtf2.
3506 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3509 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3511 * config/lm32/t-lm32: New file.
3512 * config.gcc: Use the above file when targetting lm32.
3514 2010-03-28 Duncan Sands <baldrick@free.fr>
3516 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3518 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3521 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3522 Improve vectorization cost model diagnostic.
3524 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3527 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3528 compute_data_dependences_for_loop returns false, early exit
3529 and output an extra diagnostic for the failed data reference
3532 2010-03-29 Richard Guenther <rguenther@suse.de>
3534 PR tree-optimization/43560
3535 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3536 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3538 2010-03-29 Jie Zhang <jie@codesourcery.com>
3541 * toplev.c (process_options): Set optimization_default_node
3542 and optimization_current_node.
3543 * opts.c (decode_options): Don't set optimization_default_node
3544 and optimization_current_node.
3546 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3548 * config/rtems.h: Abandon -qrtems_debug.
3550 2010-03-28 Jan Hubicka <jh@suse.cz>
3552 PR tree-optimization/43505
3553 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3554 map should not be copied.
3556 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3559 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3560 cdtors, set DECL_PRESERVE_P.
3561 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3564 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3566 PR tree-optimization/43528
3567 * stor-layout.c (place_field): Check that constant fits into
3568 unsigned HWI when skipping calculation of MS bitfield layout.
3570 2010-03-27 Jan Hubicka <jh@suse.cz>
3573 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3574 notice_global_symbol work.
3576 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3578 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3579 instead of dwarf2out_decl.
3580 (struct var_loc_node): Remove section_label field.
3581 (dwarf2out_function_decl): New function.
3582 (dwarf2out_var_location): Don't set section_label field.
3583 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3585 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3587 PR tree-optimization/43544
3588 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3589 First argument for builtin vectorized function hook is now a
3590 tree to be able to distinguish between machine specific and
3592 * targhooks.c (default_builtin_vectorized_function): Ditto.
3593 * targhooks.h (default_builtin_vectorized_function): Ditto.
3594 * target.h (struct gcc_target): Ditto.
3595 * tree-vect-stmts.c (vectorizable_function): Ditto.
3596 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3597 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3600 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3603 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3604 nested binding iff it is a FUNCTION_DECL.
3605 (store_parm_decls_newstyle): Pass nested=true to bind for
3606 FUNCTION_DECLs amongst parameters.
3608 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3610 * var-tracking.c (vt_expand_loc_callback): Don't run
3611 cselib_expand_value_rtx_cb in dummy mode if
3612 cselib_dummy_expand_value_rtx_cb returned false.
3614 * var-tracking.c (emit_note_insn_var_location): For one part
3615 notes with offset 0, don't add EXPR_LIST around the location.
3616 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3617 add_location_or_const_value_attribute): Adjust for that change.
3620 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3621 into first operand and location into second.
3622 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3623 dw_cfi_oprnd_loc for DW_CFA_expression.
3624 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3625 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3626 assume first argument is regnum and second argument is location.
3628 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3631 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3632 of scratch register to DImode. Split to DImode comparison operator.
3633 Use SImode subreg of scratch register in the multiplication.
3634 (*cmp_sadd_sidi): Ditto.
3635 (*cmp_ssub_si): Ditto.
3636 (*cmp_ssub_sidi): Ditto.
3638 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3641 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3642 Remove invalid assert and wrong comment.
3644 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3647 * flags.h (final_insns_dump_p): New extern.
3648 * final.c (final_insns_dump_p): New variable.
3649 (rest_of_clean_state): Set it before -fdump-final-insns=
3650 dumping, clear afterwards.
3651 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3652 MEM_ALIAS_SET on MEMs.
3654 2010-03-26 David S. Miller <davem@davemloft.net>
3656 * configure.ac: Fix sparc GOTDATA_OP bug check.
3657 * configure: Rebuild.
3659 2010-03-26 Alan Modra <amodra@gmail.com>
3661 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3663 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3665 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3666 TLS_SECTION_ASM_FLAG.
3668 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3671 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3672 Clear first_function_block_is_cold.
3675 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3676 argument if the argument is truth_value_p.
3678 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3680 * config/rs6000/constraints.md: Update copyright year for my changes.
3683 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3684 used in reg+reg addressing, swap registers.
3686 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3689 * target.h (struct gcc_target): Add code_end hook.
3690 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3692 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3693 * toplev.c (compile_file): Call targetm.asm_out.code_end
3694 hook before unwind info/debug info output.
3695 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3696 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3697 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3698 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3699 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3700 * config/i386/i386.c (ix86_file_end): Renamed to...
3701 (ix86_code_end): ... this. Make static. Don't call
3702 file_end_indicate_exec_stack. Emit unwind info using
3703 final_start_function/final_end_function.
3704 (darwin_x86_file_end): Remove.
3705 (TARGET_ASM_CODE_END): Define.
3706 * config/i386/i386.h (TARGET_ASM_FILE_END,
3707 NEED_INDICATE_EXEC_STACK): Don't define.
3708 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3709 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3710 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3711 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3714 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3715 at the beginning and final_end_function at the end.
3716 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3718 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3720 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3721 and Sun as TLS syntax.
3722 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3723 * configure: Regenerate.
3724 * config.in: Regenerate.
3725 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3726 (default_elf_asm_named_section): Use it.
3727 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3728 (i386_output_dwarf_dtprel): Likewise.
3729 (output_addr_const_extra): Likewise.
3730 (output_pic_addr_const): Lowercase @GOTTPOFF.
3731 (output_addr_const_extra): Likewise.
3732 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3733 (output_addr_const_extra): Likewise.
3734 (output_pic_addr_const): Lowercase @INDNTPOFF.
3735 (output_addr_const_extra): Likewise.
3736 (output_pic_addr_const): Lowercase @NTPOFF.
3737 (output_addr_const_extra): Likewise.
3738 (output_pic_addr_const): Lowercase @TPOFF.
3739 (output_addr_const_extra): Likewise.
3740 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3741 (*tls_global_dynamic_64): Likewise.
3742 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3743 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3745 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3746 (ASM_OUTPUT_TLS_COMMON): Use it.
3747 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3750 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3751 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3752 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3753 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3754 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3755 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3757 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3759 * config/i386/i386.c (override_options): Don't accept
3760 -mtls-dialect=sun any longer.
3761 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3762 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3763 (*tls_local_dynamic_base_32_sun): Likewise.
3764 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3766 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3769 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3770 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3773 * ira.c (adjust_cleared_regs): New function.
3774 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3778 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3780 * expr.c (expand_expr_real): Restore previous
3781 curr_insn_source_location and curr_insn_block after
3782 expand_expr_real_1 call.
3783 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3784 instead of expand_expr_real_1.
3786 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3788 PR rtl-optimization/43413
3789 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3792 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3795 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3796 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3798 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3800 * config/i386/i386.c (ix86_target_string): Add -mfma.
3801 Fix a typo in comment.
3803 2010-03-22 Mike Stump <mikestump@comcast.net>
3806 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3807 Don't overly align based upon packed packed fields.
3809 2010-03-22 Jason Merrill <jason@redhat.com>
3811 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3812 Use () rather than [], and move before the element type.
3814 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3816 * doc/configfiles.texi (Configuration Files): Removed
3817 fixinc/Makefile*, intl/Makefile.*.
3818 * doc/makefile.texi: Fixed markup. Abstract from version
3819 control system used.
3820 (Makefile): Removed obsolete gcc/java/parse.y example.
3821 * doc/sourcebuild.texi: Likewise.
3822 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3823 libgomp, libssp. Removed fastjar.
3824 (Miscellaneous Docs): Clarify location.
3825 Added COPYING3, COPYING3.LIB.
3826 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3828 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3831 * config/i386/i386.c (x86_function_profiler)
3832 [!NO_PROFILE_COUNTERS]: Fix typo.
3833 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3836 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3837 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3839 * doc/sourcebuild.texi (Test Directives): Split into six
3840 subsections, with most of the current text in new subsections
3841 Directives, Selectors, and Final Actions.
3842 (Directives): Split list of test directives into multiple
3844 (Selectors): Describe use and syntax of selectors.
3845 (Effective-Target Keywords): Describe all existing keywords.
3846 (Add Options): Describe features for dg-add-options.
3847 (Require Support): Describe variants of dg-require-support.
3848 (Final Actions): Describe commands to use in dg-final.
3850 2010-03-22 Michael Matz <matz@suse.de>
3853 * recog.c (validate_replace_rtx_group): Replace also in
3854 REG_EQUAL and REG_EQUIV notes.
3856 2010-03-22 Richard Guenther <rguenther@suse.de>
3858 PR tree-optimization/43390
3859 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3860 sure vector extracts are type correct.
3862 2010-03-22 Richard Guenther <rguenther@suse.de>
3865 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3866 x * sqrt (x) even when optimizing for size if the target
3867 has native support for sqrt.
3869 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3871 * varasm.c (make_decl_rtl_for_debug): Also clear
3872 flag_mudflap for the duration of make_decl_rtl call.
3875 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3876 locs from preserved VALUEs.
3878 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3881 * pa.md (movmemsi): Set align to one if zero.
3882 (movmemdi): Likewise.
3884 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3887 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3888 with their corresponding prologue pushes.
3890 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3893 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3894 at the begining or end.
3895 (spu_expand_epilogue): Likewise.
3897 2010-03-20 Richard Guenther <rguenther@suse.de>
3899 PR rtl-optimization/43438
3900 * combine.c (make_extraction): Properly zero-/sign-extend an
3901 extraction of the low part of a CONST_INT. Also handle
3904 2010-03-19 Mike Stump <mikestump@comcast.net>
3906 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3907 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3908 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3910 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3913 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3916 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3918 PR rtl-optimization/42258
3919 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3920 use that may match DEF.
3923 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3924 the cost of loading the constant rather than assuming
3926 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3927 outer code is AND, do the same tests as the andsi3 expander and
3928 return COSTS_N_INSNS (1) if and is cheap.
3930 * optabs.c (avoid_expensive_constant): Fix formatting.
3932 2010-03-19 Michael Matz <matz@suse.de>
3935 * attribs.c (decl_attributes): When rebuilding a function pointer
3936 type use the same qualifiers as the original pointer type.
3938 2010-03-19 Martin Jambor <mjambor@suse.cz>
3940 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3941 and is_gimple_ip_invariant_address.
3943 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3946 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3948 * config/arm/arm.c (arm_override_options): Turn off
3949 flag_dwarf2_cfi_asm for AAPCS variants.
3951 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3954 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3955 Use PRE_MODIFY instead of PRE_DEC.
3956 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3957 (vfp_emit_fstmd): Likewise.
3959 2010-03-19 Michael Matz <matz@suse.de>
3962 * builtins.c (expand_builtin_interclass_mathfn,
3963 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3966 2010-03-19 Richard Guenther <rguenther@suse.de>
3968 PR tree-optimization/43415
3969 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3970 (phi_translate_1): ... this.
3971 (phi_translate): Move all caching here. Cache all NARY
3972 and REFERENCE translations.
3974 2010-03-19 David S. Miller <davem@davemloft.net>
3976 With help from Eric Botcazou.
3977 * config/sparc/sparc.c: Include dwarf2out.h.
3978 (emit_pic_helper): Delete.
3979 (pic_helper_symbol_name): Delete.
3980 (pic_helper_emitted_p): Delete.
3981 (pic_helper_needed): New.
3982 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3983 (get_pc_thunk_name): New.
3984 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3985 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3986 Set pic_helper_needed to true. Don't call emit_pic_helper.
3987 (sparc_expand_prologue): Update load_pic_register call.
3988 (sparc_output_mi_thunk): Likewise.
3989 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3990 thunk if possible. Output CFI information as needed.
3992 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3993 Jack Howarth <howarth@bromo.med.uc.edu>
3996 * config/i386/i386.h: Fix ABI on darwin x86-32.
3998 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4000 * tree.h: Declare make_decl_rtl_for_debug.
4001 * varasm.c (make_decl_rtl_for_debug): New.
4002 * dwarf2out.c (rtl_for_decl_location): Call it.
4003 * cfgexpand.c (expand_debug_expr): Call it.
4005 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4008 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4012 * var-tracking.c (vt_init_cfa_base): Do nothing if
4013 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4015 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4018 * var-tracking.c (canonicalize_vars_star): New.
4019 (dataflow_post_merge_adjust): Use it.
4021 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4024 * var-tracking.c (non_suitable_const): New function.
4025 (add_uses): For DEBUG_INSNs with constants, don't record any
4026 value, instead just the constant value itself.
4027 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4028 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4029 (emit_notes_in_bb): Likewise.
4030 (emit_note_insn_var_location): For onepart variables if
4031 cur_loc is a VOIDmode constant, use DECL_MODE.
4033 2010-03-18 Martin Jambor <mjambor@suse.cz>
4036 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4037 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4038 all non-clones. Moved call redirection...
4039 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4040 (cgraph_materialize_all_clones): Dispose of all
4041 combined_args_to_skip bitmaps.
4042 (verify_cgraph_node): Do not check for edges pointing to wrong
4043 nodes in inline clones.
4044 * tree-inline.c (copy_bb): Call
4045 cgraph_redirect_edge_call_stmt_to_callee.
4046 * ipa.c (cgraph_remove_unreachable_nodes): Call
4047 cgraph_node_remove_callees even when there are used clones.
4049 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4051 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4053 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4056 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4059 2010-03-18 Michael Matz <matz@suse.de>
4062 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4063 into sqrt(x) if we need to preserve signed zeros.
4065 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4066 Eric Botcazou <ebotcazou@adacore.com>
4068 PR rtl-optimization/43360
4069 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4070 note if we don't know its invariant status.
4072 2010-03-18 Michael Matz <matz@suse.de>
4074 PR tree-optimization/43402
4075 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4076 PHI chains of ssa names registered for update.
4078 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4081 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4082 non-offsettable and pre_modify update addressing.
4083 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4084 and "2" alternatives "#".
4085 (*movdd_softfloat32): Make all alternatives "#";
4086 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4087 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4088 (*movdf_softfloat32): Make all alternatives "#";
4089 (movdi): Use the new DIFD mode iterator to create a common splitter
4090 for movdi, movdf and movdd patterns.
4092 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4094 * common.opt (dumpdir): Remove redundant tab.
4096 2010-03-17 Martin Jambor <mjambor@suse.cz>
4098 PR tree-optimization/43347
4099 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4100 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4102 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4104 PR rtl-optimization/42216
4105 * regrename.c (create_new_chain): New function, broken out from...
4106 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4107 appending a use to an empty chain.
4108 (build_def_use): Remove previous changes that convert OP_INOUT to
4109 OP_OUT operands; instead detect the case where an OP_INOUT operand
4110 uses a previously untracked register and create an empty chain for it.
4112 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4114 * doc/extend.texi (Function Attributes): Rewrite unfinished
4115 sentence in ms_abi documentation.
4117 2010-03-17 Alan Modra <amodra@gmail.com>
4119 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4120 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4121 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4122 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4124 2010-03-16 Richard Henderson <rth@redhat.com>
4127 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4128 (lower_try_finally): Save and restore eh_seq around the expansion
4131 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4133 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4134 statements before splitting block.
4136 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4138 * doc/sourcebuild.texi (Testsuites): Fix markup.
4139 Use pathnames relative to gcc/testsuite.
4140 (Test Directives): Move description of how timeout is determined.
4141 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4142 (C Tests): Correct gcc.misc-tests directory.
4143 Framework tests now live in gcc.test-framework.
4145 2010-03-16 Richard Guenther <rguenther@suse.de>
4148 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4149 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4151 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4152 Alexandre Oliva <aoliva@redhat.com>
4154 PR tree-optimization/42917
4155 * lambda-code.c (remove_iv): Skip debug statements.
4156 (lambda_loopnest_to_gcc_loopnest): Likewise.
4157 (not_interesting_stmt): Debug statements are not interesting.
4159 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4163 * cselib.c (cselib_preserve_constants,
4164 cfa_base_preserved_val): New static variables.
4165 (preserve_only_constants): New function.
4166 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4167 clear its REG_VALUES. If cselib_preserve_constants, don't
4168 empty the whole hash table, but preserve there VALUEs with constants,
4169 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4170 (cselib_preserve_cfa_base_value): New function.
4171 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4172 (cselib_init): Change argument to int bitfield. Set
4173 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4175 (cselib_finish): Clear cselib_preserve_constants and
4176 cfa_base_preserved_val.
4177 * cselib.h (enum cselib_record_what): New enum.
4178 (cselib_init): Change argument to int.
4179 (cselib_preserve_cfa_base_value): New prototype.
4180 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4181 * dse.c (dse_step1): Likewise.
4182 * cfgcleanup.c (thread_jump): Likewise.
4183 * sched-deps.c (sched_analyze): Likewise.
4184 * gcse.c (local_cprop_pass): Likewise.
4185 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4186 If FN is non-NULL, call the callback always and whenever it returns
4187 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4188 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4189 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4190 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4191 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4192 * var-tracking.c: Include recog.h.
4193 (bb_stack_adjust_offset): Remove.
4194 (vt_stack_adjustments): Don't call it, instead just gather the
4195 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4196 (adjust_stack_reference): Remove.
4197 (compute_cfa_pointer): New function.
4198 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4199 (struct adjust_mem_data): New type.
4200 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4202 (get_address_mode): New function.
4203 (replace_expr_with_values): Use it.
4204 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4205 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4206 (adjust_sets): Remove.
4207 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4208 Use get_address_mode.
4209 (get_adjusted_src): Remove.
4210 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4211 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4212 (add_with_sets): Don't call adjust_sets.
4213 (fp_setter, vt_init_cfa_base): New functions.
4214 (vt_initialize): Change return type to bool. Move most of pool etc.
4215 initialization to the beginning of the function from end. Pass
4216 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4217 If !frame_pointer_needed, call vt_stack_adjustment before mos
4218 vector is filled, call vt_init_cfa_base if argp/framep has been
4219 eliminated to sp. If frame_pointer_needed and argp/framep has
4220 been eliminated to hard frame pointer, set
4221 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4222 encountering fp setter in the prologue. For MO_ADJUST, call
4223 log_op_type before pusing the op into mos vector, not afterwards.
4224 Call adjust_insn before cselib_process_insn/add_with_sets,
4225 call cancel_changes (0) afterwards.
4226 (variable_tracking_main_1): Adjust for vt_initialize calling
4227 vt_stack_adjustments and returning whether it succeeded or not.
4229 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4231 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4234 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4236 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4238 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4239 drap_reg has not been set.
4241 2010-03-15 Michael Matz <matz@suse.de>
4244 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4245 use it to expand block copies.
4246 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4247 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4248 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4250 2010-03-15 Richard Guenther <rguenther@suse.de>
4252 PR tree-optimization/43367
4253 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4256 2010-03-15 Richard Guenther <rguenther@suse.de>
4258 PR tree-optimization/43317
4259 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4261 2010-03-15 Martin Jambor <mjambor@suse.cz>
4263 PR tree-optimization/43141
4264 * tree-sra.c (create_abstract_origin): New function.
4265 (modify_function): Call create_abstract_origin.
4267 2010-03-15 Chris Demetriou <cgd@google.com>
4269 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4272 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4275 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4276 call insert_out_of_ssa_copy for default definitions.
4278 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4280 * graphite-clast-to-gimple.c (my_long_long): Defined.
4281 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4282 * graphite-sese-to-poly.c (my_long_long): Defined.
4283 (scop_ivs_can_be_represented): Use it.
4285 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4287 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4288 graphite-max-bbs-per-function, and loop-block-tile-size.
4289 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4291 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4293 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4295 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4296 forward declaration.
4297 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4298 (add_upper_bounds_from_estimated_nit): New.
4299 (build_loop_iteration_domains): Use it.
4301 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4303 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4305 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4308 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4309 should be an INTEGER_CST. Also handle CASE_CONVERT.
4311 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4313 * graphite.c (graphite_initialize): To bound the number of bbs per
4314 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4315 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4316 * doc/invoke.texi: Document it.
4318 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4320 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4321 * graphite-sese-to-poly.h (build_poly_scop): Same.
4323 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4325 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4326 the number of parameters in the scop. Use as an upper bound
4327 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4328 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4329 * doc/invoke.texi: Document it.
4331 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4333 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4334 * doc/c-tree.texi: Remove.
4335 * doc/generic.texi: Merge c-tree.texi here.
4336 * doc/gccint.texi (Trees): Remove menu entry.
4337 (c-tree.texi): Remove @include.
4338 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4339 * doc/languages.texi (Reading RTL): Ditto.
4341 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4344 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4346 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4349 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4350 code added to work around reload clobbering CONST insns.
4352 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4354 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4355 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4356 (cselib_preserve_only_values): Remove retain argument, don't
4357 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4358 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4359 * var-tracking.c (micro_operation): Move insn field before union.
4360 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4361 (struct variable_tracking_info_def): Remove n_mos field, change
4362 mos into a vector of micro_operations.
4363 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4364 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4365 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4366 changing into a vector.
4367 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4368 come before all other uops generated by add_stores.
4369 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4371 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4372 a vector. Run just one pass over the bbs instead of separate counting
4373 and computation phase.
4374 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4377 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4378 into *nonlocalized_list vector.
4379 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4380 even if origin is non-NULL.
4381 (gen_variable_die): Likewise.
4382 (process_scope_var): Don't change origin.
4383 (gen_decl_die): Likewise.
4384 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4385 before adding new edges instead of after it, fix moving over
4388 2010-03-11 David S. Miller <davem@davemloft.net>
4390 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4392 * configure: Rebuild.
4394 2010-03-11 Martin Jambor <mjambor@suse.cz>
4396 PR tree-optimization/43257
4397 * tree.c (assign_assembler_name_if_neeeded): New function.
4398 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4400 * tree.h (assign_assembler_name_if_neeeded): Declare.
4401 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4402 the function if needed.
4404 2010-03-11 Chris Demetriou <cgd@google.com>
4406 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4407 include/stdint-gcc.h, and include/stdint.h world-readable.
4409 2010-03-11 Richard Guenther <rguenther@suse.de>
4411 PR tree-optimization/43255
4412 * tree-vrp.c (process_assert_insertions_for): Do not insert
4413 asserts for trivial conditions.
4415 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4417 PR tree-optimization/43280
4418 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4419 generation. Move calculation of size out of the if branch.
4420 (find_bswap): Modify compare number generation.
4422 2010-03-11 Richard Guenther <rguenther@suse.de>
4425 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4426 (input_gimple_stmt): Fixup handled component types during
4427 operand read. Also fix up decls in ADDR_EXPRs.
4429 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4431 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4432 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4434 2010-03-10 Jan Hubicka <jh@suse.cz>
4437 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4438 * varasm.c (get_variable_section): Don't do that here...
4439 (make_decl_rtl): ... and here.
4440 (do_assemble_alias): Produce decl RTL.
4441 (assemble_alias): Likewise.
4443 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4446 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4447 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4449 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4450 (based_loc_descr): Only express drap or vdrap regno based expressions
4451 using DW_OP_fbreg when not optimizing.
4452 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4453 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4454 REG_CFA_SET_VDRAP note.
4456 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4458 PR tree-optimization/43236
4459 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4460 error in calculation of base address in reverse iteration case.
4461 (generate_builtin): Take number of latch executions if the statement
4464 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4467 * tree-eh.c: Include pointer-set.h.
4468 (lower_eh_dispatch): Filter out duplicate case labels and
4469 remove the unneeded edge when the label is unused. Return
4470 true when some edges are removed.
4471 (execute_lower_eh_dispatch): When any lowering resulted in
4472 removing an edge, also delete unreachable blocks.
4474 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4477 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4478 UNSPEC_MACHOPIC_OFFSET.
4480 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4483 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4484 (m68k_delegitimize_address): New function.
4486 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4489 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4492 * var-tracking.c (adjust_sets): New function.
4493 (count_with_sets, add_with_sets): Use it.
4494 (get_adjusted_src): New inline function.
4495 (add_stores): Use it.
4498 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4499 call cselib_dummy_expand_value_rtx_cb instead of
4500 cselib_expand_value_rtx_cb.
4503 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4504 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4505 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4506 and .cfi_endproc around the pic thunks.
4507 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4508 all queued unwind info register saves are saved before the call.
4509 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4510 considered as sp-=4 for unwind info and the pop as sp+=4 which
4511 also clobbers dest, but doesn't actually restore it.
4514 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4515 RTX_FRAME_RELATED_P.
4517 2010-03-09 Jie Zhang <jie@codesourcery.com>
4519 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4520 whitespaces in output template.
4522 2010-03-09 Jie Zhang <jie@codesourcery.com>
4524 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4527 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4529 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4530 builtins.exp in a separate job.
4532 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4534 * graphite-sese-to-poly.c (add_param_constraints): Use
4535 lower_bound_in_type and upper_bound_in_type.
4537 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4539 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4540 instead of unsigned_type_node.
4542 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4543 Reza Yazdani <reza.yazdani@amd.com>
4546 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4547 on pointer type parameters.
4549 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4553 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4554 handle conversions from pointer to integers.
4555 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4556 induction variable, to be able to work with code generated by CLooG.
4557 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4558 (build_poly_scop): Bail out if we cannot codegen a loop.
4560 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4562 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4563 code generation with gloog_error.
4565 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4567 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4568 Call fold_convert on all the returned values.
4569 (expand_scalar_variables_expr): Pass to
4570 expand_scalar_variables_ssa_name the type of the resulting expression.
4572 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4574 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4575 ppl_min_for_le_pointset.
4576 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4577 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4579 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4581 * graphite-dependences.c (map_into_dep_poly): Removed.
4582 (dependence_polyhedron_1): Use combine_context_id_scat.
4584 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4586 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4587 (struct poly_bb): Same.
4588 (combine_context_id_scat): New.
4590 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4593 * sese.c (name_defined_in_loop_p): Return false for default
4596 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4598 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4599 and clean up the logic.
4601 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4603 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4606 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4608 * var-tracking.c (remove_cselib_value_chains): Define only for
4610 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4611 delete_slot_part, emit_notes_for_differences_1): Don't call
4612 remove_cselib_value_chains here.
4613 (set_slot_part, emit_notes_for_differences_2): Don't call
4614 add_cselib_value_chains here.
4615 (preserved_values): New vector.
4616 (preserve_value): New function.
4617 (add_uses, add_stores, vt_add_function_parameters): Use it
4618 instead of cselib_preserve_value.
4619 (changed_values_stack): New vector.
4620 (check_changed_vars_0): New function.
4621 (check_changed_vars_1, check_changed_vars_2): Use it.
4622 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4623 changed_values_stack VALUEs.
4624 (vt_emit_notes): For all preserved_values call
4625 add_cselib_value_chains. If ENABLE_CHECKING call
4626 remove_cselib_value_chains before verifying value_chains is empty.
4627 Initialize and free changed_values_stack.
4628 (vt_initialize): Initialize preserved_values.
4629 (vt_finalize): Free preserved_values.
4631 2010-03-08 Richard Guenther <rguenther@suse.de>
4633 PR tree-optimization/43269
4634 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4637 2010-03-08 Martin Jambor <mjambor@suse.cz>
4639 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4640 (ipa_is_param_called): Removed.
4641 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4642 (ipa_print_node_params): Do not print the called flag.
4643 (ipa_write_node_info): Do not stream the called flag.
4644 (ipa_read_node_info): Likewise.
4646 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4649 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4650 * cselib.c (struct expand_value_data): Add dummy field.
4651 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4653 (cselib_dummy_expand_value_rtx_cb): New function.
4654 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4656 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4657 * var-tracking.c: Include pointer-set.h.
4658 (variable): Change n_var_parts to char from int. Add
4659 cur_loc_changed and in_changed_variables fields.
4660 (variable_canonicalize): Remove.
4661 (shared_var_p): New inline function.
4662 (unshare_variable): Maintain cur_loc_changed and
4663 in_changed_variables fields. If var was in changed_variables,
4664 replace it there with new_var. Just copy cur_loc instead of
4665 resetting it to something else.
4666 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4667 (dataflow_set_union): Don't call variable_canonicalize.
4668 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4669 of their DEBUG_EXPR_TREE_DECLs.
4670 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4671 and in_changed_variables and cur_loc_changed is false.
4672 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4673 and cur_loc_changed. Don't update cur_loc here.
4674 (variable_merge_over_src): Don't call variable_canonicalize.
4675 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4676 removing loc that is equal to cur_loc, clear cur_loc,
4677 set cur_loc_changed and ensure variable_was_changed is called.
4678 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4679 compare pointers in cur_loc check, if it is equal to loc,
4680 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4681 (variable_different_p): Remove compare_current_location argument,
4682 don't compare cur_loc.
4683 (dataflow_set_different_1): Adjust variable_different_p caller.
4684 (variable_was_changed): If dv had some var in changed_variables
4685 already, reset in_changed_variables flag for it and propagate
4686 cur_loc_changed over to the new variable. On empty var
4687 always set cur_loc_changed. Set in_changed_variables on whatever
4688 var is added to changed_variables.
4689 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4690 Use shared_var_p. When removing loc that is equal to cur_loc,
4691 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4692 end, don't set it to something else, just call variable_was_changed.
4693 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4694 loc being removed, clear cur_loc and set cur_loc_changed.
4695 Set cur_loc_changed if all locations have been removed.
4696 (struct expand_loc_callback_data): New type.
4697 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4698 allocated. Always create SUBREGs if simplify_subreg failed.
4699 Prefer to use cur_loc, when that fails and still in
4700 changed_variables (and seen first time) recompute it. Set
4701 cur_loc_changed of variables which had to change cur_loc and
4702 compute elcd->cur_loc_changed if any of the subexpressions used
4703 had to change cur_loc.
4704 (vt_expand_loc): Adjust to pass arguments in
4705 expand_loc_callback_data structure.
4706 (vt_expand_loc_dummy): New function.
4707 (emitted_notes): New variable.
4708 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4709 that weren't used for any other decl in current
4710 emit_notes_for_changes call call vt_expand_loc_dummy to update
4711 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4712 first loc_chain location if NULL before. Always use just
4713 cur_loc instead of first loc_chain location. When cur_loc_changed
4714 is false, when not --enable-checking=rtl just don't emit any note.
4715 When rtl checking, compute the note and assert it is the same
4716 as previous note. Clear cur_loc_changed and in_changed_variables
4717 at the end before removing from changed_variables.
4718 (check_changed_vars_3): New function.
4719 (emit_notes_for_changes): Traverse changed_vars to call
4720 check_changed_vars_3 on each changed var.
4721 (emit_notes_for_differences_1): Clear cur_loc_changed and
4722 in_changed_variables. Recompute cur_loc of new_var.
4723 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4724 (vt_emit_notes): Initialize and destroy emitted_notes.
4726 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4728 PR rtl-optimization/42220
4729 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4730 Use verify_reg_tracked to determine if we should use OP_OUT rather
4732 (build_def_use): If we see an in-out operand for a register that we
4733 know nothing about, treat is an output if possible, fail the block if
4736 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4739 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4742 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4745 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4746 uses of relevant DEFs that are dead outside the loop too.
4748 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4750 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4752 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4754 * var-tracking.c (values_to_unmark): New variable.
4755 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4756 values_to_unmark vector. Moved body to...
4757 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4758 instead queue it into values_to_unmark vector.
4759 (vt_find_locations): Free values_to_unmark vector.
4761 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4763 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4764 (site.exp): Export them when plugins are enabled.
4766 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4769 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4771 (chrec_fold_multiply): Same.
4773 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4776 * c-decl.c (build_compound_literal): Return early if init is
4779 2010-03-04 Martin Jambor <mjambor@suse.cz>
4781 PR tree-optimization/43164
4782 PR tree-optimization/43191
4783 * tree-sra.c (type_consists_of_records_p): Reject records with
4784 zero-size bit-fields at the end.
4786 2010-03-04 Mike Stump <mikestump@comcast.net>
4788 * Makefile.in (TAGS): Remove *.y.
4790 2010-03-04 Richard Guenther <rguenther@suse.de>
4792 PR tree-optimization/40761
4793 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4795 (my_rev_post_order_compute): New function.
4796 (init_pre): Call it.
4798 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4801 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4802 decrease the cost of an IV candidate when the cost is infinite.
4804 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4806 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4807 Use '3DNow!' for the extension of that name, ensure normal space
4809 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4811 2010-03-03 Jeff Law <law@redhat.com>
4813 * PR middle-end/32693
4814 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4815 than gen_rtx_SUBREG.
4816 (extract_bit_field_1): Likewise.
4818 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4820 * doc/sourcebuild.texi (Test directives): Document that arguments
4821 include-opts and exclude-opts are now optional for dg-skip-if,
4822 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4824 2010-03-03 Jason Merrill <jason@redhat.com>
4827 * cgraph.h (varpool_node): Add extra_name field.
4828 * varpool.c (varpool_extra_name_alias): New.
4829 (varpool_assemble_decl): Emit extra name aliases.
4830 (varpool_mark_needed_node): Look past an extra name alias.
4831 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4832 * lto-streamer-in.c (lto_input_tree): Read it.
4833 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4835 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4837 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4838 (sparc*-*-solaris2*): ...this.
4840 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4843 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4844 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4845 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4846 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4849 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4850 fallthrough to default handling, just with want_address 0 instead of 2.
4851 For single element lists, add_AT_loc directly, otherwise create an
4852 artificial variable DIE and stick location list to it.
4855 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4856 (VAL_EXPR_HAS_REVERSE): Define.
4857 (reverse_op): New function.
4858 (add_stores): For reversible operations add an extra MO_VAL_USE.
4860 2010-03-02 Jason Merrill <jason@redhat.com>
4862 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4864 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4866 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4867 (sparc64-*-linux*): Likewise.
4868 (sparc64-*-solaris2*): Include assembler files before linker ones.
4869 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4870 * config/sparc/gas.h: Delete.
4871 * config/sparc/sol2-64.h: Add copyright notice.
4872 * config/sparc/sol2-gas-bi.h: Likewise.
4873 * config/sparc/sol2-gld.h: Likewise.
4874 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4875 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4876 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4877 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4878 (sparc_elf_asm_named_section): Rename into...
4879 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4881 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4883 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4885 2010-03-02 Jeff Law <law@redhat.com>
4888 * reload1.c (rtx_p, substitute_stack): Declare.
4889 (substitute): Record addresses of changed rtxs.
4890 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4891 Restore the original rtx when complete.
4892 (reload): Free subsitute_stack when complete.
4894 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4896 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4897 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4899 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4900 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4901 Torture Tests): Change from subsection to section.
4903 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4904 Steven Bosscher <steven@gcc.gnu.org>
4906 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4909 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4912 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4913 the assignment from the new induction variable to the assignment
4914 of the value from the original loop PHI function.
4916 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4917 Daniel Jacobowitz <dan@codesourcery.com>
4919 * doc/sourcebuild.texi (Test directives): Clarify options to
4922 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4924 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4925 Disable cfi directives unless GCC and gas agree on using read-only
4926 .eh_frame sections for 64-bit.
4927 * configure: Regenerate.
4929 2010-03-01 Richard Guenther <rguenther@suse.de>
4931 PR tree-optimization/43220
4932 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4933 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4935 2010-03-01 Richard Guenther <rguenther@suse.de>
4936 Martin Jambor <mjambor@suse.cz>
4939 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4940 gimplified parameters.
4942 2010-03-01 Christian Bruel <christian.bruel@st.com>
4944 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4946 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4948 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4950 2010-03-01 Richard Guenther <rguenther@suse.de>
4953 * expr.c (expand_assignment): Use the alias-oracle to tell
4954 if the rhs aliases the result decl.
4956 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4959 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4960 to sol_gt_pch_get_address.
4961 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4962 64-bit, SPARC and x86.
4963 (sol_gt_pch_get_address): New function.
4965 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4967 * toplev.h (inform_n, error_n): Declare.
4968 * diagnostic.c (inform_n, error_n): New function.
4970 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4972 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4973 has no rtl yet when processing local_decls, queue it and recheck
4974 if deferred stack allocation hasn't assigned it rtl.
4976 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4978 * config/sh/sh.c (unspec_bbr_uid): New.
4979 (gen_block_redirect): Use it instead of INSN_UID.
4980 (gen_far_branch): Likewise.
4982 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4984 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4985 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4987 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4989 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4990 (Warning Options): -Wno-conversion-null is valid for
4991 Objective-C++ as well.
4992 * doc/tm.texi (Named Address Spaces): Likewise.
4993 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4994 * doc/tree-ssa.texi (Tree SSA): Likewise.
4996 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4999 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5000 by default. Don't set the default arch for
5001 i[34567]86-*-darwin*|x86_64-*-darwin*.
5003 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5006 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5007 default. Set the default 32bit/64bit archs with $with_arch
5008 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5010 2010-02-27 Richard Guenther <rguenther@suse.de>
5012 PR tree-optimization/43186
5013 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5014 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5015 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5016 unroller iterations.
5018 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5020 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5021 required and i[34567]86-*-* targets don't support 64bit ISA.
5023 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5026 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5029 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5031 * config.gcc: Set the default arch at least to Prescott for
5032 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5033 if SSE math is enabled.
5035 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5037 * diagnostic.c (diagnostic_initialize): Update.
5038 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5040 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5041 (diagnostic_inhibit_notes): New.
5042 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5044 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5047 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5048 * doc/standards.texi: Likewise.
5049 * doc/extend.texi: Likewise.
5050 * doc/trouble.texi: Likewise.
5051 * doc/cppopts.texi: Likewise.
5052 * doc/install.texi: Likewise.
5053 * c.opt (std=c90,std=gnu90): New options.
5054 * c-opts.c (c_common_handle_option): Handle them.
5056 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5059 * c-decl.c (undeclared_variable): Use an informative note.
5061 2010-02-26 Richard Guenther <rguenther@suse.de>
5063 PR tree-optimization/43186
5064 * gimple.h (gimple_fold): Remove.
5065 * gimple.c (gimple_fold): Remove. Inline into single user ...
5066 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5067 Try harder for conditions.
5069 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5072 * function.c (used_types_insert): Don't skip through named pointer
5073 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5074 and it is different from the main variant's type.
5076 2010-02-26 Nick Clifton <nickc@redhat.com>
5078 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5080 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5082 * config.gcc: Support --with-fpmath=sse for x86.
5084 * config/i386/ssemath.h: New.
5086 * doc/install.texi (--with-fpmath=sse): Documented.
5088 2010-02-26 Richard Guenther <rguenther@suse.de>
5090 PR tree-optimization/43188
5091 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5092 vector types of over-aligned element type.
5094 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5097 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5098 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5100 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5102 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5104 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5106 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5107 * var-tracking.c: Include diagnostic.h.
5108 (debug_dv): New function.
5109 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5112 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5113 (add_value_chain, add_value_chains, remove_value_chain,
5114 remove_value_chains): Handle DEBUG_EXPRs.
5115 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5118 * regcprop.c (struct queued_debug_insn_change): New type.
5119 (struct value_data_entry): Add debug_insn_changes field.
5120 (struct value_data): Add n_debug_insn_changes field.
5121 (debug_insn_changes_pool): New variable.
5122 (free_debug_insn_changes, apply_debug_insn_changes,
5123 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5124 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5125 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5127 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5129 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5130 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5131 changes, call cprop_find_used_regs via note_stores.
5132 (copyprop_hardreg_forward): When copying vd from predecessor
5133 which has any queued DEBUG_INSN changes, make sure the pointers are
5134 cleared. At the end call df_analyze and then if there are any
5135 DEBUG_INSN changes queued at the end of some basic block for still
5136 live registers, apply them.
5137 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5139 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5141 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5144 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5146 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5147 targets. Set the default with_cpu/with_arch from arch/cpu.
5148 Allow x86-64 and native for with_cpu/with_arch.
5150 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5152 * ebitmap.c: Change calls to verify_popcount with calls to
5153 sbitmap_verify_popcount.
5154 (ebitmap_clear_bit): Fixed map->cacheindex test and
5155 map>cache update when bit clearing results in an empty
5158 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5161 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5162 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5163 and support both V2DF and V2DI modes.
5164 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5165 support both V2DF and V2DI modes.
5166 (general): Delete trailing whitespace from a few patterns.
5168 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5169 V2DF/V2DI interleave high/low builtins.
5171 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5174 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5175 interleave high/low functions.
5177 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5179 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5180 #pragma extern_prefix.
5182 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5185 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5186 BLKmode, assert op0 is a MEM and just adjust its mode.
5189 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5190 if bitpos isn't multiple of mode's bitsize.
5192 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5194 * c.opt (-ftemplate-depth=): New.
5195 (-ftemplate-depth-): Deprecate.
5196 * optc-gen.awk: Handle -ftemplate-depth=.
5197 * opth-gen.awk: Likewise.
5198 * c-opts.c (c_common_handle_option): Likewise.
5199 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5201 2010-02-24 Jason Merrill <jason@redhat.com>
5203 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5205 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5207 * cfg.c (alloc_aux_for_block): Remove inline.
5208 (alloc_aux_for_edge): Likewise.
5210 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5212 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5214 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5216 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5217 * config/i386/sol2-gas.h: New file.
5218 * config.gcc (i[34567]86-*-solaris2*): Use it.
5220 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5223 * c-typeck.c (ep_convert_and_check): New.
5224 (build_conditional_expr): Use it.
5225 (build_binary_op): Likewise.
5227 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5229 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5232 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5233 bounds even for -O+.
5234 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5235 expr needs to have DECL_NAME set.
5237 2010-02-24 Nick Clifton <nickc@redhat.com>
5239 * config/mep/mep.c: Include gimple.h.
5240 (mep_function_uses_sp): Delete unused function.
5241 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5242 parameters. Use unsigned integers to count args. Return a
5243 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5245 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5248 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5249 greater or equal to nelt instead of 2 * nelt.
5250 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5253 2010-02-23 Jason Merrill <jason@redhat.com>
5256 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5257 in cfun->local_decls even if they have register types.
5260 * stor-layout.c (place_field): Don't warn about unnecessary
5261 DECL_PACKED if the type is packed.
5263 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5266 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5267 GOTOFF relocs, even when the base reg isn't pic pointer.
5269 2010-02-23 Michael Matz <matz@suse.de>
5272 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5273 (expand_gimple_basic_block): Generate and use debug temps if there
5274 are debug uses left after the last real use of TERed ssa names.
5275 Unlink debug immediate uses when they are expanded.
5277 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5280 * config/i386/i386.c (override_options): Reorganise to provide
5281 better error messages.
5283 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5286 * graphite-scop-detection.c (create_single_exit_edge): Move
5287 the call to find_single_exit_edge to....
5288 (create_sese_edges): ...here. Don't handle multiple edges
5289 exiting the function.
5290 (build_graphite_scops): Don't handle multiple edges
5291 exiting the function.
5293 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5296 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5297 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5299 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5302 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5304 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5307 * c-typeck.c (convert_arguments): Print declaration location.
5308 * c-common.c (validate_nargs): Rename as
5309 builtin_function_validate_nargs.
5310 (check_builtin_function_arguments): Update.
5312 2010-02-22 Richard Guenther <rguenther@suse.de>
5315 * tree-inline.c (declare_return_variable): Use the type of
5316 the call stmt lhs if available.
5318 2010-02-22 Duncan Sands <baldrick@free.fr>
5320 * passes.c (register_pass): Always consider all pass lists when
5321 ref_pass_instance_number is zero.
5323 2010-02-22 Richard Guenther <rguenther@suse.de>
5325 PR tree-optimization/42749
5326 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5327 parameter. Do arithmetic in the original type.
5328 (update_accumulator_with_ops): Likewise.
5329 (adjust_accumulator_values): Adjust.
5331 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5333 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5334 (QI to BLKmode splitter): New splitter.
5336 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5338 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5339 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5341 2010-02-22 Richard Guenther <rguenther@suse.de>
5343 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5345 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5347 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5348 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5349 ($(T)crti.o, $(T)crtn.o): Remove rules.
5351 2010-02-21 Tobias Burnus <burnus@net-b.de>
5354 * doc/invoke.texi (-fassociative-math): Document that this
5355 option is automatically enabled for Fortran.
5357 2010-02-20 David S. Miller <davem@davemloft.net>
5359 * configure.ac: Test if linker and assembler properly support
5360 GOTDATA_OP relocations.
5361 * configure: Rebuild.
5362 * config.in: Likewise.
5363 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5364 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5365 (movsi_high_pic): Likewise.
5366 (movdi_lo_sum_pic): Likewise.
5367 (movdi_high_pic): Likewise.
5368 (movsi_pic_gotdata_op): New pattern.
5369 (movdi_pic_gotdata_op): Likewise.
5370 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5371 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5373 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5376 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5377 attribute to ssemul.
5378 (xop_mulv2div2di3_high): Ditto.
5380 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5383 * c.opt (Wconversion-null): New option.
5384 * doc/invoke.texi (Wconversion-null): Document.
5386 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5388 * common.opt (Wlarger-than-): Add Undocumented.
5390 2010-02-19 Mike Stump <mikestump@comcast.net>
5392 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5394 2010-02-19 Jason Merrill <jason@redhat.com>
5397 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5398 * configure: Likewise.
5400 2010-02-20 Alan Modra <amodra@gmail.com>
5403 * cgraph.h (cgraph_make_decl_local): Declare.
5404 * cgraph.c (cgraph_make_decl_local): New function.
5405 (cgraph_make_node_local): Use it.
5406 * cgraphunit.c (cgraph_function_versioning): Likewise.
5407 * ipa.c (function_and_variable_visibility): Likewise.
5409 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5412 * except.c (sjlj_emit_function_enter): Don't call
5413 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5415 * rtl.h (add_reg_br_prob_note): Remove prototype.
5417 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5420 * c-common.c (conversion_warning): Remove widening conversions
5421 before checking the conversion of integers to reals.
5423 2010-02-19 Mike Stump <mikestump@comcast.net>
5426 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5429 * cgraphunit.c (process_function_and_variable_attributes): Check
5430 DECL_PRESERVE_P instead of looking up attribute "used".
5431 * ipa-pure-const.c (check_decl): Likewise.
5432 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5433 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5434 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5435 instead of attribute "used".
5436 * config/sol2-c.c (solaris_pragma_init): Likewise.
5437 (solaris_pragma_fini): Likewise.
5439 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5441 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5442 Use XCNEW instead of xcalloc.
5443 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5444 XNEW instead of xmalloc.
5445 (get_fields): Use XNEWVEC instead of xmalloc.
5448 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5449 populate vars array.
5450 (create_new_general_access): For debug stmts just reset value.
5451 (get_stmt_accesses): For accesses within debug stmts just record them
5452 using add_access_to_acc_sites instead of preventing the peeling or
5453 counting them as accesses.
5456 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5458 2010-02-19 Richard Guenther <rguenther@suse.de>
5460 PR tree-optimization/42916
5461 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5464 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5466 * configure.ac: Replace all uses of changequote in macro arguments
5467 with proper quoting.
5469 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5472 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5474 2010-02-19 Richard Guenther <rguenther@suse.de>
5476 PR tree-optimization/42944
5477 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5478 test for aliasing with errno.
5480 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5483 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5484 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5485 * dojump.c: Include output.h.
5486 (inv): New inline function.
5487 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5488 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5489 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5490 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5491 argument, pass it down to other calls.
5492 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5493 add REG_BR_PROB note to the conditional jump.
5494 * cfgexpand.c (add_reg_br_prob_note): Removed.
5495 (expand_gimple_cond): Don't call it, add the probability
5496 as last argument to jumpif_1/jumpifnot_1.
5497 * Makefile.in (dojump.o): Depend on output.h.
5498 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5500 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5501 * stmt.c (do_jump_if_equal): Likewise.
5502 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5503 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5504 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5506 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5507 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5508 jumpifnot_1 callers.
5509 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5511 (store_expr): Adjust jumpifnot caller.
5512 (store_constructor): Adjust jumpif caller.
5515 * gimplify.c (gimple_boolify): For __builtin_expect call
5516 gimple_boolify also on its first argument.
5518 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5520 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5522 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5523 * configure: Regenerated.
5525 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5527 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5528 lang_hooks.types_compatible_p instead of comptypes.
5530 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5532 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5533 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5534 if __prefer_thumb__ is defined.
5536 2010-02-18 Martin Jambor <mjambor@suse.cz>
5538 PR tree-optimization/43066
5539 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5540 array with zero-sized element type.
5542 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5544 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5545 rtx, allocate struct var_loc_node here and return it to the
5546 caller, and only if it is actually needed.
5547 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5548 move it earlier and return immediately if it returns NULL.
5550 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5552 * config/sparc/gas.h: New file. Restore
5553 TARGET_ASM_NAMED_SECTION to its ELF default.
5554 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5556 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5557 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5558 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5559 after sparc/sysv4.h.
5561 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5563 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5565 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5567 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5568 patterns from predicated pattern.
5570 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5573 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5574 for insn mnemonic suffix.
5576 2010-02-17 Richard Guenther <rguenther@suse.de>
5578 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5581 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5584 * caller-save.c (save_call_clobbered_regs): If BB ends with
5585 a DEBUG_INSN, move any notes in between last real insn and the last
5586 DEBUG_INSN after the last DEBUG_INSN.
5588 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5590 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5591 Fix return type. Fix argument type. Explain meaning of return value.
5593 2010-02-16 Richard Guenther <rguenther@suse.de>
5595 PR tree-optimization/41043
5596 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5597 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5599 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5601 2010-02-16 Ira Rosen <irar@il.ibm.com>
5603 PR tree-optimization/43074
5604 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5605 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5606 vectorizable cycles in hybrid SLP check.
5607 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5609 2010-02-16 Richard Guenther <rguenther@suse.de>
5611 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5612 (true_dependence): If memrefs_conflict_p computes must-alias
5613 trust it. Move TBAA check after offset-based disambiguation.
5614 (canon_true_dependence): Likewise.
5616 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5618 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5619 * doc/invoke.texi: Document it.
5620 * var-tracking.c: Include toplev.h and params.h.
5621 (vt_find_locations): Return bool indicating success. Compute
5622 hash sizes unconditionally. Check new parameter, report.
5623 (variable_tracking_main_1): Check vt_find_locations results and
5624 retry. Renamed from...
5625 (variable_tracking_main): ... this. New wrapper to preserve
5626 flag_var_tracking_assignments.
5627 * Makefile.in (var-tracking.o): Adjust dependencies.
5629 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5630 Jakub Jelinek <jakub@redhat.com>
5633 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5634 if weak_import attribute is present.
5635 * config/darwin.c (machopic_select_section): Likewise.
5637 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5639 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5640 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5641 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5642 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5644 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5647 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5650 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5651 Rewrite text to refer to the names.
5653 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5655 * config/i386/i386-builtin-types.def
5656 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5657 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5658 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5659 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5660 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5661 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5662 IX86_BUILTIN_VPERMIL2PS256.
5663 (MULTI_ARG_4_DF2_DI_I): Defined.
5664 (MULTI_ARG_4_DF2_DI_I1): Defined.
5665 (MULTI_ARG_4_SF2_SI_I): Defined.
5666 (MULTI_ARG_4_SF2_SI_I1): Defined.
5667 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5668 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5669 __builtin_ia32_vpermil2ps256.
5670 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5671 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5672 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5673 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5674 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5675 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5676 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5677 CODE_FOR_xop_vpermil2v8sf3.
5678 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5679 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5680 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5681 (_mm256_permute2_pd): New.
5682 (_mm_permute2_ps): New.
5683 (_mm256_permute2_ps): New.
5685 2010-02-15 Nick Clifton <nickc@redhat.com>
5687 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5688 boolean parameters. Use emit_jump_insn when emitting a pop
5689 instruction containing a return insn.
5690 (push): Use 'true' rather than '1' as second parameter to F.
5691 (h8300_expand_prologue): Likewise.
5692 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5693 (h8300_expand_epilogue): Likewise.
5695 2010-02-15 Richard Guenther <rguenther@suse.de>
5698 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5701 2010-02-15 Nick Clifton <nickc@redhat.com>
5703 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5706 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5708 * intl.c (fake_ngettext): New function.
5709 * intl.h (fake_ngettext): Declare.
5710 (ngettext): Define macro.
5711 * collect2.c (notice_translated): New function.
5712 (main): Use notice_translated and ngettext.
5713 * collect2.h (notice_translated): Declare.
5715 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5717 * reorg.c (delete_computation): Comment fixes.
5718 * caller-save.c (setup_save_areas): Idem.
5719 * sel-sched-dump.c (dump_lv_set): Idem.
5722 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5724 * config/s390/s390.c (s390_sched_init): New function.
5725 (TARGET_SCHED_INIT): Target hook defined.
5727 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5728 Jack Howarth <howarth@bromo.med.uc.edu>
5729 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5732 Partial revert of unintended change in fix for PR41605.
5733 * config/darwin.h: Fix typo.
5734 * config/darwin9.h: Same.
5736 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5738 * c-pch.c (pch_init): Clear v.
5740 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5743 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5744 graphite_can_represent_init for MULT_EXPR.
5746 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5750 * graphite-sese-to-poly.c (remove_phi): New.
5751 (translate_scalar_reduction_to_array): Call remove_phi.
5753 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5756 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5757 * graphite-clast-to-gimple.h (gloog): Update declaration.
5758 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5759 * graphite-poly.h (struct poly_bb): Add missing comments.
5760 (struct scop): Add poly_scop_p field.
5762 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5763 * graphite.c (graphite_transform_loops): Build the polyhedral
5764 representation for each scop before code generation.
5765 * sese.c (rename_variables_in_operand): Removed.
5766 (rename_variables_in_expr): Return the renamed expression.
5767 (rename_sese_parameters): New.
5768 * sese.h (rename_sese_parameters): Declared.
5770 2010-02-11 Richard Guenther <rguenther@suse.de>
5772 PR tree-optimization/42998
5773 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5774 POINTER_PLUS_EXPR properly.
5776 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5777 Changpeng Fang <changpeng.fang@amd.com>
5780 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5781 the cost of an IV candidate when the IV is used in a test against zero.
5783 * gcc.dg/tree-ssa/ivopts-3.c: New.
5785 2010-02-11 Richard Guenther <rguenther@suse.de>
5788 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5789 pointer-vs-decl case by swapping refs. Handle some cases
5790 of pointer-vs-decl disambiguations more conservatively.
5791 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5792 to false after expanding.
5794 2010-02-11 Richard Guenther <rguenther@suse.de>
5797 * gcc.c (process_command): Handle LTO file@offset case more
5800 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5802 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5803 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5805 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5807 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5808 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5809 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5810 Optimize eq/ne comparisons when both arguments are known to be
5812 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5813 Don't mask operands unnecessarily if they are known to be already
5816 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5818 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5821 2010-02-10 Richard Guenther <rguenther@suse.de>
5823 PR tree-optimization/43017
5824 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5825 for wrapping signed arithmetic.
5827 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5830 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5831 if no debug info should be emitted for it.
5833 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5835 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5836 note when flag_exceptions is set.
5838 2010-02-10 Duncan Sands <baldrick@free.fr>
5840 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5842 2010-02-10 Richard Guenther <rguenther@suse.de>
5845 * tree.c (get_unwidened): Handle constants.
5846 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5848 2010-02-10 Martin Jambor <mjambor@suse.cz>
5851 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5852 check for variable argument counts independently.
5854 2010-02-10 Christian Bruel <christian.bruel@st.com>
5857 * config/sh/sh.c (find_barrier): Increase length for non delayed
5858 conditional branches.
5860 2010-02-10 Christian Bruel <christian.bruel@st.com>
5862 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5864 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5866 * builtins.c (set_builtin_user_assembler_name): Also handle
5867 ffs if int is smaller than word.
5869 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5872 * ira-conflicts.c (get_dup): Remove.
5873 (process_reg_shuffles): Add new parameter. Use it as an
5874 additional guard for copy generation.
5875 (add_insn_allocno_copies): Rewrite.
5877 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5879 * common.opt (fsched2-use-traces): Preserved for backward
5881 * doc/invoke.texi: Remove the documentation about option
5882 -fsched2-use-traces.
5883 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5884 flag_sched2_use_traces.
5885 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5886 the backward compatibility flag section.
5888 2010-02-09 Richard Guenther <rguenther@suse.de>
5890 PR tree-optimization/43008
5891 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5892 make HEAP variables initialized from global memory if they
5893 are not known builtin functions.
5894 (find_func_aliases): Adjust.
5896 2010-02-09 Richard Guenther <rguenther@suse.de>
5898 PR tree-optimization/43000
5899 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5900 arithmetic manually.
5902 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5904 PR tree-optimization/42931
5905 * tree-loop-linear.c (try_interchange_loops): Don't call
5906 double_int_mul if estimated_loop_iterations failed.
5908 2010-02-08 Martin Jambor <mjambor@suse.cz>
5911 * tree-sra.c (build_accesses_from_assign): Do not mark in
5912 should_scalarize_away_bitmap if stmt has volatile ops.
5913 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5916 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5918 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5920 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5922 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5925 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5928 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5930 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5933 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5934 to unknown_dependence.
5935 (graphite_legal_transform_dr): Handle the unknown_dependence.
5936 (graphite_carried_dependence_level_k): Same.
5938 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5940 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5942 2010-02-07 Richard Guenther <rguenther@suse.de>
5945 * expr.c (get_inner_reference): Always initialize *pbitsize.
5947 2010-02-07 Richard Guenther <rguenther@suse.de>
5950 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5951 new ARRAY_REFs on variable size element or minimal index arrays.
5953 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5954 gimple_fold_indirect_ref.
5956 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5959 * arm.c (arm_override_options): Just return if the user has specified
5960 an invalid fpu name.
5962 2010-02-03 Jason Merrill <jason@redhat.com>
5965 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5966 i386_pe_maybe_record_exported_symbol.
5968 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5971 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5972 (pa_delegitimize_address): New function.
5974 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5976 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5977 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5979 2010-02-05 Richard Guenther <rguenther@suse.de>
5982 * lto-streamer-in.c (get_resolution): Deal with references
5983 to undefined functions.
5985 2010-02-05 Richard Guenther <rguenther@suse.de>
5987 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5988 (fold_const_aggregate_ref): Likewise.
5989 (ccp_fold_stmt): Substitute loads.
5990 (maybe_fold_reference): Verify types before substituting.
5992 (fold_gimple_assign): Unshare properly.
5993 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5995 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5997 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5998 for rs6000_gen_cell_microcode.
6000 2010-02-04 Richard Guenther <rguenther@suse.de>
6002 PR rtl-optimization/42952
6003 * dse.c (const_or_frame_p): Remove MEM handling.
6005 2010-02-04 Nick Clifton <nickc@redhat.com>
6007 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6008 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6009 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6010 (mn10300_asm_output_mi_thunk): New function.
6011 (mn10300_can_output_mu_thunk): New function.
6012 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6013 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6014 (FUNCTION_ARG): Delete incorrect comment.
6016 2010-02-03 Jason Merrill <jason@redhat.com>
6019 * fold-const.c (operand_equal_p): Handle erroneous types.
6021 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6023 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6025 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6027 PR rtl-optimization/42941
6028 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6031 2010-02-03 Jason Merrill <jason@redhat.com>
6034 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6036 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6039 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6040 (cselib_reset_table): Renamed from...
6041 (cselib_reset_table_with_next_value): ... this.
6042 (cselib_get_next_uid): Renamed from...
6043 (cselib_get_next_unknown_value): ... this.
6044 * cselib.c (next_uid): Renamed from...
6045 (next_unknown_value): ... this.
6046 (cselib_clear_table): Adjust.
6047 (cselib_reset_table): Adjust. Renamed from...
6048 (cselib_reset_table_with_next_value): ... this.
6049 (cselib_get_next_uid): Adjust. Renamed from...
6050 (cselib_get_next_unknown_value): ... this.
6051 (get_value_hash): Use hash.
6052 (cselib_hash_rtx): Likewise.
6053 (new_cselib_val): Adjust. Set and dump uid.
6054 (cselib_lookup_mem): Pass next_uid as hash.
6055 (cselib_subst_to_values): Likewise.
6056 (cselib_log_lookup): Dump uid.
6057 (cselib_lookup): Pass next_uid as hash. Adjust.
6058 (cselib_process_insn): Adjust.
6059 (cselib_init): Initialize next_uid.
6060 (cselib_finish): Adjust.
6061 (dump_cselib_table): Likewise.
6062 * dse.c (canon_address): Dump value uid.
6063 * print-rtl.c (print_rtx): Print value uid.
6064 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6066 (dv_uid): New function, sort of renamed from...
6067 (dv_htab_hash): ... this, reimplemented in terms of it and...
6068 (dv_uid2hash): ... this. New.
6069 (variable_htab_eq): Drop excess assertions.
6070 (tie_break_pointers): Removed.
6071 (canon_value_cmp): Compare uids.
6072 (variable_post_merge_New_vals): Print uids.
6073 (vt_add_function_parameters): Adjust.
6074 (vt_initialize): Reset table. Adjust.
6076 2010-02-03 Richard Guenther <rguenther@suse.de>
6078 PR tree-optimization/42944
6079 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6080 (call_may_clobber_ref_p_1): Likewise. Properly handle
6081 malloc and calloc clobbering errno.
6083 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6085 * doc/invoke.texi: Fix name of sched1 dump.
6087 * opts.c (decode_options): Set flag_tree_switch_conversion
6088 only conditionally on optimize >= 2.
6090 * gcse.c: Assorted comment fixes in pass description.
6092 2010-02-03 Anthony Green <green@moxielogic.com>
6094 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6095 nop padding in order to maintain alignment of storage location of
6096 target function address.
6097 (moxie_trampoline_init): Store target function address at newly
6099 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6101 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6103 2010-02-03 Richard Guenther <rguenther@suse.de>
6106 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6108 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6110 * config.gcc: Reenable check for obsolete targets.
6111 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6112 mips-sgi-irix6.[0-4]*.
6114 2010-02-02 Nick Clifton <nickc@redhat.com>
6116 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6117 constant size of 4 as being the same as 0.
6118 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6119 can take values in the range 0..4.
6121 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6124 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6125 as _darwin10_Unwind_FindEnclosingFunction().
6126 * libgcc-libsystem.ver: New.
6128 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6131 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6132 implicitly set registers.
6134 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6136 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6137 (arm_override_options): Allow automatic selection of the thread
6138 pointer register if thumb2.
6139 (legitimize_pic_address): Improve code sequences for Thumb2.
6140 (arm_call_tls_get_addr): Likewise.
6141 (legitimize_tls_address): Likewise.
6142 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6143 (pic_load_addr_32bit): ... this. New named pattern.
6144 * thumb2.md (pic_load_addr_thumb2): Delete.
6145 (pic_load_dot_plus_four): Delete.
6146 (tls_load_dot_plus_four): New named pattern.
6148 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6151 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6152 Document fix for TLS bug.
6154 2010-01-31 Richard Guenther <rguenther@suse.de>
6156 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6157 conservatively correct.
6159 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6163 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6165 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6167 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6169 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6171 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6173 * config.gcc: Adjust order of makefile fragments for mingw targets.
6175 2010-01-31 Richard Guenther <rguenther@suse.de>
6178 * gimplify.c (gimplify_init_constructor): For volatile LHS
6179 initialize a temporary.
6181 2010-01-31 Matthias Klose <doko@ubuntu.com>
6183 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6185 * configure: Regenerate.
6187 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6189 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6190 the same alias set and their sizes different constantness.
6191 (aliasing_component_refs_p): Revert 2009-10-24 change.
6193 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6195 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6198 2010-01-29 Richard Guenther <rguenther@suse.de>
6200 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6201 Assert we successfully updated the call.
6203 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6205 PR rtl-optimization/42889
6206 * df.h (df_set_bb_dirty_nonlr): New prototype.
6207 * df-core.c (df_set_bb_dirty_nonlr): New function.
6208 * df-scan.c (df_insn_rescan): Call it instead of
6209 df_set_bb_dirty for DEBUG_INSNs.
6211 2010-01-29 Richard Guenther <rguenther@suse.de>
6214 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6215 quadratic behavior in most cases.
6217 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6220 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6221 in the call to gen_x86_movsicc_0_m1.
6223 2010-01-28 Richard Guenther <rguenther@suse.de>
6225 PR tree-optimization/42871
6226 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6228 2010-01-28 Richard Guenther <rguenther@suse.de>
6230 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6231 into call arguments.
6233 2010-01-28 Richard Guenther <rguenther@suse.de>
6236 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6237 the forwarder if the destination is an EH landing pad.
6239 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6241 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6242 block list passed to gimple_duplicate_sese_tail.
6243 (parallelize_loops): Avoid parallelization when the function
6245 Avoid parallelization when the preheader is IRREDUCIBLE.
6246 Try to optimize when estimated_loop_iterations_int is unresolved.
6247 Add the loop's location to the dump file.
6248 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6249 (gimple_duplicate_sese_tail): Remove the check for the latch.
6250 Redirect nexits to the exit block.
6251 Remove handling of the incoming edges to the latch.
6252 Redirect the backedge from the copied latch to the exit bb.
6254 2010-01-28 Michael Matz <matz@suse.de>
6257 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6258 Wrap force_reg into a sequence, emit it before user.
6260 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6262 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6264 (arm_legacy_rev): Likewise.
6265 (thumb_legacy_rev): Likewise.
6267 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6269 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6270 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6271 on MEM's address failed, try avoid_constant_pool_reference and
6272 recurse if it returned something different.
6273 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6274 address, try avoid_constant_pool_reference and recurse if it
6275 returned something different.
6276 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6277 address and avoid_constant_pool_reference returned something
6278 different, don't set have_address.
6280 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6283 * var-tracking.c (val_store): Add modified argument, obey it.
6285 (count_uses): Move down logging of main.
6286 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6287 don't need resolution.
6288 (emit_notes_in_bb): Likewise.
6290 2010-01-27 Richard Guenther <rguenther@suse.de>
6293 * tree-inline.c (remap_decl): Delay remapping of SSA name
6294 default definitions until we need them.
6296 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6298 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6299 (rs6000_delegitimize_address): New function.
6301 * config/s390/s390.c (s390_delegitimize_address): Call
6302 delegitimize_mem_from_attrs.
6305 * tree-inline.c (cannot_copy_type_1): Removed.
6306 (copy_forbidden): Don't forbid copying of functions containing
6307 records/unions with variable length fields.
6309 2010-01-27 Christian Bruel <christian.bruel@st.com>
6313 * config/sh/sh.c (find_barrier): Increase length for non delayed
6314 conditional branches.
6316 2010-01-27 Matthias Klose <doko@ubuntu.com>
6318 * configure.ac (gnu-unique-object): Fix ldd version check.
6319 * configure: Regenerate.
6321 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6323 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6325 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6326 Test for HAVE_GNU_AS value.
6328 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6330 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6331 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6332 INT64_TYPE): Define.
6333 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6334 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6335 INT_LEAST64_TYPE): Define.
6336 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6337 UINT_LEAST64_TYPE): Define.
6338 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6339 INT_FAST64_TYPE): Define.
6340 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6341 UINT_FAST64_TYPE): Define.
6342 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6343 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6344 (SIG_ATOMIC_TYPE): Define.
6346 2010-01-26 Richard Guenther <rguenther@suse.de>
6348 * df-scan.c (df_scan_set_bb_info): Remove assert.
6349 (df_insn_rescan_debug_internal): Merge asserts.
6350 (df_install_ref): Likewise.
6351 (df_mark_reg): Use bitmap_set_range.
6352 (df_hard_reg_used_p): Remove assert.
6353 (df_hard_reg_used_count): Likewise.
6355 2010-01-26 Richard Guenther <rguenther@suse.de>
6357 PR rtl-optimization/42685
6358 * web.c (web_main): Ignore DEBUG_INSNs.
6360 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6362 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6364 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6365 Fix types of fndecl and arglist parameters.
6367 2010-01-26 Richard Guenther <rguenther@suse.de>
6370 * tree-eh.c (unsplit_eh): Skip debug insns.
6372 2010-01-26 Richard Guenther <rguenther@suse.de>
6374 PR tree-optimization/42250
6375 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6377 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6380 * omp-low.c (expand_omp_sections): Only use single_pred if
6381 l2_bb is single_pred_p.
6383 2010-01-25 Christian Bruel <christian.bruel@st.com>
6386 * config/sh/sh.c (find_barrier): Increase length for non delayed
6387 conditional branches.
6388 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6390 2010-01-24 David S. Miller <davem@davemloft.net>
6392 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6393 define if not using GAS.
6394 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6395 Likewise. Delete SECTION_MERGE code, which is only applicable
6398 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6401 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6402 mangling of va_list in system headers.
6404 2010-01-23 Toon Moene <toon@moene.org>
6406 * tree-predcom.c (combine_chains): Return NULL, not false.
6408 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6410 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6411 initialization of variable res to agree with return type.
6413 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6415 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6416 * tree-sra.c: Add include of expr.h.
6418 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6420 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6421 insert the debug stmt on the single non-EH edge from the stmt.
6423 2010-01-22 Richard Henderson <rth@redhat.com>
6426 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6427 the RHS until after generate_subtree_copies has insertted its
6428 code before the current statement.
6430 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6432 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6434 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6436 2010-01-21 Martin Jambor <mjambor@suse.cz>
6438 PR tree-optimization/42585
6439 * tree-sra.c (struct access): New field grp_total_scalarization.
6440 (dump_access): Dump the new field.
6441 (should_scalarize_away_bitmap): New variable.
6442 (cannot_scalarize_away_bitmap): Likewise.
6443 (sra_initialize): Allocate new bitmaps.
6444 (sra_deinitialize): Free new bitmaps.
6445 (create_access_1): New function.
6446 (create_access): Parts moved to create_access_1.
6447 (type_consists_of_records_p): New function.
6448 (completely_scalarize_record): Likewise.
6449 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6450 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6451 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6453 (analyze_all_variable_accesses): Completely scalarize small eligible
6456 2010-01-21 Martin Jambor <mjambor@suse.cz>
6458 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6460 2010-01-21 Andrew Haley <aph@redhat.com>
6462 * gcc.c (process_command): Move lang_specific_driver before
6463 setting cc_libexec_prefix.
6465 2010-01-21 Richard Guenther <rguenther@suse.de>
6468 * fold-const.c (negate_expr_p): Pretend only negative
6469 real constants are easily negatable.
6471 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6472 Jason Merrill <jason@redhat.com>
6474 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6475 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6476 * calls.c (initialize argument_information): Handle it.
6477 * c-common.c (handle_transparent_union_attribute): Use new name.
6478 * c-decl.c (finish_struct): Ditto.
6479 * c-typeck.c (type_lists_compatible_p): Ditto.
6480 (convert_for_assignment): Use new name and also handle record.
6481 * function.c (aggregate_value_p): Handle it.
6482 (pass_by_reference): Ditto.
6483 (assign_parm_data_types): Ditto.
6484 * print-tree.c (print_node): Ditto.
6485 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6486 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6487 * tree.c (first_field): New fn.
6489 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6492 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6493 even when linking statically, for now.
6495 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6498 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6499 without a cselib val.
6500 (count_uses): Accept MO_VAL_SET with no val on stores.
6501 (add_stores): Likewise.
6503 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6505 * var-tracking.c (check_value_val): Add a compile time assertion.
6506 (dv_is_decl_p): Simplify.
6507 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6508 gcc_assert if ENABLE_CHECKING.
6510 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6513 * var-tracking.c: Include tree-flow.h.
6514 (mem_dies_at_call): New.
6515 (dataflow_set_preserve_mem_locs): Use it.
6516 (dataflow_set_remove_mem_locs): Likewise.
6517 (dump_var): Renamed from dump_variable. Adjust all callers.
6518 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6519 * Makefile.in (var-tracking.o): Adjust deps.
6521 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6523 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6525 2010-01-20 Richard Guenther <rguenther@suse.de>
6527 PR tree-optimization/42717
6528 * tree-ssa-dce.c (get_live_post_dom): Remove.
6529 (forward_edge_to_pdom): Take an arbitrary edge to copy
6530 degenerate PHI args from.
6531 (remove_dead_stmt): Use the first post-dominator even if it
6532 does not contain live statements as redirection destination.
6534 2010-01-20 Richard Guenther <rguenther@suse.de>
6536 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6538 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6540 * sel-sched.c (create_speculation_check): Remove set but not used
6542 (try_transformation_cache): Remove set but not used variable ds.
6543 (calculate_privileged_insns): Remove set but not used variables
6544 cur_insn and min_spec_insn.
6545 (find_best_expr): Remove set but not used variable avail_n.
6546 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6548 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6550 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6551 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6554 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6557 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6558 cpu types. Add support for *-sse3 cpu types.
6559 (x86_64-*-*): Ditto.
6561 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6564 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6565 argument, call initializer_constant_valid_p_1 instead of
6566 initializer_constant_valid_p, pass CACHE to it, return NULL
6567 immediately if first call returns NULL.
6568 (initializer_constant_valid_p_1): New function.
6569 (initializer_constant_valid_p): Use it.
6571 2010-01-20 Thomas Quinot <quinot@adacore.com>
6573 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6575 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6577 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6578 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6579 (loc_list_from_tree): Don't handle unsigned division. Handle
6580 signed modulo using DW_OP_{over,over,div,mul,minus}.
6581 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6582 modulo instead of signed.
6584 2010-01-20 DJ Delorie <dj@redhat.com>
6586 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6588 (h8300_emit_stack_adjustment): Propogate it.
6590 (h8300_expand_prologue): Likewise.
6591 (h8300_expand_epilogue): Likewise.
6593 2010-01-19 Michael Matz <matz@suse.de>
6595 PR tree-optimization/41783
6596 * tree-data-ref.c (toplevel): Include flags.h.
6597 (dump_data_dependence_relation): Also dump the inputs if the
6598 result will be unknown.
6599 (split_constant_offset_1): Look through some conversions.
6600 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6601 the offset from last element is too large.
6602 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6603 (reassociate_to_the_same_stmt): Handle vector registers.
6604 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6606 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6607 wide_prolog_niters argument, emit widening instructions.
6608 (vect_do_peeling_for_alignment): Adjust caller, use widened
6609 variant of the iteration cound.
6610 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6612 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6615 * config/arm/neon-testgen.m (emit_automatics): New parameter
6616 features. Adjust for Fixed_return_reg feature.
6617 (test_intrinsic): Call emit_automatics with new feature.
6618 * config/arm/neon.ml: Update copyright years.
6619 (features): New Fixed_return_reg feature.
6620 (ops): Update feature for Vget_low.
6622 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6624 PR tree-optimization/42719
6625 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6629 * fwprop.c (all_uses_available_at): Return false if def_set dest
6630 is a REG that is used in def_insn.
6632 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6634 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6636 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6639 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6641 * target.h (struct gcc_target) <secondary_reload>: Change type
6642 of last argument to secondary_reload_info *.
6644 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6647 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6648 memory references with unaligned offsets. Remove CQImode handling.
6649 (unaligned_memory_operand): Return 1 for memory references with
6650 unaligned offsets. Remove CQImode handling.
6652 2010-01-18 Richard Guenther <rguenther@suse.de>
6655 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6658 2010-01-18 Richard Guenther <rguenther@suse.de>
6660 PR tree-optimization/42781
6661 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6662 restrict processing only if the original variable was artificial.
6664 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6666 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6667 find number of popped argument bytes.
6669 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6670 Fix the text that describes the return value for invalid insns.
6672 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6674 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6675 Clarify what 'cost of the -dependence' is. Fix quoting.
6677 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6678 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6680 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6682 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6683 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6685 2010-01-17 Richard Guenther <rguenther@suse.de>
6688 * function.c (split_complex_args): Take a VEC to modify.
6689 (assign_parms_augmented_arg_list): Build a VEC instead of
6690 a chain of PARM_DECLs.
6691 (assign_parms_unsplit_complex): Take a VEC of arguments.
6692 Do not fixup unmodified parms.
6693 (assign_parms): Deal with the VEC.
6694 (gimplify_parameters): Likewise.
6696 2010-01-17 Richard Guenther <rguenther@suse.de>
6698 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6699 node existence check.
6700 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6701 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6702 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6703 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6704 (gimple_execute_on_growing_pred): Likewise.
6706 2010-01-17 Richard Guenther <rguenther@suse.de>
6708 PR tree-optimization/42773
6709 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6710 (compute_antic_aux): Likewise.
6711 (compute_partial_antic_aux): Likewise.
6713 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6716 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6719 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6721 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6724 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6725 Fix markup for strict argument.
6727 (TARGET_SCHED_REORDER2): Fix argument types.
6729 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6730 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6732 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6733 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6735 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6738 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6739 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6740 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6741 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6742 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6744 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6746 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6748 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6749 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6751 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6753 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6756 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6758 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6759 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6761 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6763 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6765 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6766 referring to it. Fix language.
6768 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6770 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6772 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6774 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6776 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6777 '@var{stream}. Remove stray 'and'.
6779 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6781 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6783 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6785 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6786 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6788 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6789 Fix description of return value.
6790 Rename argument "sz" to "len."
6792 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6793 Clarify meaning of 'true' return value.
6795 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6797 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6798 rep_mode versus mode_rep.
6800 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6802 (TARGET_BUILTIN_DECL): Fix name.
6804 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6806 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6808 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6810 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6812 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6814 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6817 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6818 Rename argument tm_fn to md_fn.
6820 (TARGET_OPTION_PRINT): Fix argument list.
6822 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6825 * config/i386/i386.c (ix86_fixup_binary_operands):
6826 Revert FMA4 fixup of operands.
6828 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6831 * Makefile.in (write_entries_to_file, install-plugin):
6832 Use \012 instead of \n with tr.
6834 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6836 * configure.ac (HAVE_AS_REF): New C macro.
6837 * configure: Regenerate.
6838 * config.in: Likewise.
6839 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6841 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6844 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6846 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6848 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6850 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6852 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6854 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6856 (TARGET_BINDS_LOCAL_P): Fix argument type.
6858 (TARGET_ASM_FILE_END): Use prototype.
6860 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6862 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6864 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6866 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6868 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6869 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6871 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6872 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6874 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6875 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6876 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6877 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6879 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6881 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6883 (TARGET_INIT_BUILTINS): Use prototype.
6885 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6886 Put 'const char *' in braces. Fix parameter types.
6887 (TARGET_INVALID_CONVERSION): Fix parameter types.
6888 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6889 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6891 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6894 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6896 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6898 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6900 * doc/tm.texi (TARGET_HELP): Fix return type.
6902 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6903 in braces. Fix argument types.
6905 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6907 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6909 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6911 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6912 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6914 (TARGET_MANGLE_TYPE): Fix argument types.
6916 (TARGET_IRA_COVER_CLASSES): Use prototype.
6918 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6920 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6922 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6924 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6926 (TARGET_CALLEE_COPIES): Fix argument types.
6928 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6930 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6932 (TARGET_FUNCTION_VALUE): Fix argument types.
6934 (TARGET_RETURN_IN_MSB): Fix argument type.
6936 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6938 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6940 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6942 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6943 agree with return type.
6945 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6947 2010-01-15 Jing Yu <jingyu@google.com>
6949 PR rtl-optimization/42691
6950 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6951 a pseudo to a constant and are merged, and adjust comments.
6953 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6955 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6957 2010-01-15 Richard Guenther <rguenther@suse.de>
6960 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6961 labels of computed or non-local gotos to the destination.
6962 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6963 landing pad label is the first label.
6965 2010-01-15 Richard Guenther <rguenther@suse.de>
6967 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6969 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6972 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6973 to allow generation of the xssqrtdp instruction on power7.
6974 (sqrtdf2_fpr): Ditto.
6976 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6979 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6980 functions with noreturn attribute.
6983 * varasm.c (declare_weak): Add weak attribute to decl if it
6984 doesn't have one already.
6985 (assemble_external): Only add decls to weak_decls if they also
6986 have weak attribute.
6988 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6990 * var-tracking.c (var_reg_delete): Don't delete the association
6991 between REGs and values or one-part variables if the register
6994 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6997 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6998 because its first operand is a non-localized variable.
7000 2010-01-14 Martin Jambor <mjambor@suse.cz>
7002 PR tree-optimization/42706
7003 * tree-sra.c (encountered_recursive_call): New variable.
7004 (encountered_unchangable_recursive_call): Likewise.
7005 (sra_initialize): Initialize both new variables.
7006 (callsite_has_enough_arguments_p): New function.
7007 (scan_function): Call decl and flags check only for IPA-SRA, check
7008 whether there is a recursive call and whether it has enough arguments.
7009 (all_callers_have_enough_arguments_p): New function.
7010 (convert_callers): Look for recursive calls only when
7011 encountered_recursive_call is set.
7012 (ipa_early_sra): Bail out either if
7013 !all_callers_have_enough_arguments_p or
7014 encountered_unchangable_recursive_call.
7016 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7018 * sel-sched.c: Add 2010 to copyright years.
7019 * sel-sched-ir.c: Likewise.
7020 * sel-sched-ir.h: Likewise.
7022 2010-01-14 Martin Jambor <mjambor@suse.cz>
7024 PR tree-optimization/42714
7025 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7026 constructors specially.
7028 2010-01-14 Andi Kleen <ak@linux.intel.com>
7030 * config/i386/drivers-i386.c (detect_caches_intel):
7031 Add l2sizekb parameter and fill in.
7032 (host_detect_local_cpu): Add l2sizekb, fill in.
7033 Add Atom small cache heuristic.
7035 2010-01-14 Andi Kleen <ak@linux.intel.com>
7037 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7038 Add level3 parameter and fill in.
7039 (detect_caches_intel): Handle level3 cache.
7041 2010-01-14 Andi Kleen <ak@linux.intel.com>
7043 * config/i386/drivers-i386.c (host_detect_local_cpu):
7044 Fix core duo detection.
7046 2010-01-14 Andi Kleen <ak@linux.intel.com>
7048 * config/i386/drivers-i386.c (host_detect_local_cpu):
7051 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7053 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7054 (rs6000_variable_issue_1): this. Use...
7055 (rs6000_variable_issue): here. Reimplement. Print debug info.
7057 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7059 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7060 sel_restore_notes. Update all callers. Call reemit_notes
7063 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7065 PR rtl-optimization/42246
7066 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7069 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7071 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7072 all successors is the same as number of successors in current region.
7074 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7076 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7077 to rename is not separable. Otherwise check that its LHS is not NULL.
7079 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7081 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7083 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7085 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7086 available registers when failed to discover LHS register class.
7087 Fix indentation. Update comment.
7089 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7090 Alexander Monakov <amonakov@ispras.ru>
7092 PR rtl-optimization/42389
7093 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7095 (advance_state_on_fence): Likewise.
7096 (sel_target_adjust_priority): Print debug output only when
7097 sched_verbose >= 4, not 2.
7098 (get_expr_cost): Do not issue all unique insns on the next cycle.
7099 (fill_insns): Initialize can_issue_more from the value saved
7101 * sel-sched-ir.c (flist_add): New parameter issue_more.
7102 Init FENCE_ISSUE_MORE with it.
7103 (merge_fences): Likewise.
7104 (init_fences): Update call to flist_add.
7105 (add_to_fences, add_clean_fence_to_fences)
7106 (add_dirty_fence_to_fences): Likewise.
7107 (move_fence_to_fences): Update call to merge_fences.
7108 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7110 * sel-sched-ir.h (struct _fence): New field issue_more.
7111 (FENCE_ISSUE_MORE): New accessor macro.
7113 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7115 PR rtl-optimization/42388
7116 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7117 that have no predecessors nor successors. Do not call move_bb_info
7118 for empty blocks outside of current region.
7120 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7122 PR rtl-optimization/42294
7123 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7124 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7125 originators' originators.
7127 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7129 PR rtl-optimization/39453
7130 PR rtl-optimization/42246
7131 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7133 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7135 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7136 Alexander Monakov <amonakov@ispras.ru>
7139 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7140 (maybe_tidy_empty_bb): ... here. Make static. Add new
7141 argument. Update all callers.
7142 (tidy_control_flow): ... and here. Recompute topological order
7143 of basic blocks in region if necessary.
7144 (sel_redirect_edge_and_branch): Change return type. Return true
7145 if topological order might have been invalidated.
7146 (purge_empty_blocks): Export and move from...
7147 * sel-sched.c (purge_empty_blocks): ... here.
7148 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7149 (maybe_tidy_empty_bb): Delete prototype.
7150 (purge_empty_blocks): Declare.
7152 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7154 PR rtl-optimization/42249
7155 * sel-sched.c (try_replace_dest_reg): When chosen register
7156 and original register is the same, do not bail out early, but
7157 still check all original insns for validity of replacing destination
7158 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7161 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7164 Port from no-undefined-overflow branch:
7165 2009-03-09 Richard Guenther <rguenther@suse.de>
7167 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7169 2010-01-14 Richard Guenther <rguenther@suse.de>
7172 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7174 2010-01-14 Ira Rosen <irar@il.ibm.com>
7176 PR tree-optimization/42709
7177 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7178 as scalar type in creation of constant vector operand.
7180 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7183 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7184 (check-parallel-%): Match `testsuite' directory component only
7187 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7189 PR translation/39521
7190 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7193 2010-01-13 Richard Guenther <rguenther@suse.de>
7195 PR tree-optimization/42730
7196 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7199 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7202 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7203 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7206 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7208 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7209 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7210 ___umulsi3_highpart.
7212 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7213 rather than schedule_insns if the pass is enabled.
7215 2010-01-13 Martin Jambor <mjambor@suse.cz>
7217 PR tree-optimization/42704
7218 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7221 2010-01-13 Martin Jambor <mjambor@suse.cz>
7223 PR tree-optimization/42703
7224 * tree-sra.c (analyze_access_subtree): Check that we can build a
7225 reference to the original data within the aggregate.
7227 2010-01-13 Richard Guenther <rguenther@suse.de>
7229 PR tree-optimization/42705
7230 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7232 2010-01-13 Richard Guenther <rguenther@suse.de>
7235 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7237 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7240 * var-tracking.c (values_to_unmark): New variable.
7241 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7242 values_to_unmark vector. Moved body to...
7243 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7244 instead queue it into values_to_unmark vector.
7245 (vt_find_locations): Free values_to_unmark vector.
7247 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7249 * config/s390/s390.c (override_options): Set
7250 default of max-pending-list-length to 256
7252 2010-01-13 Richard Guenther <rguenther@suse.de>
7255 * tree-pass.h (PROP_gimple_lcx): New.
7256 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7257 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7258 before the final cleanup_eh.
7259 (dump_properties): Dump PROP_gimple_lcx.
7260 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7261 (tree_lower_complex_O0): Remove.
7262 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7263 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7264 tree_lower_complex, schedule TODO_update_ssa.
7265 * lto-streamer-out.c (output_function): Stream the functions
7267 * lto-streamer-in.c (input_function): Likewise.
7268 (lto_read_body): Do not override them here.
7270 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7273 * c-typeck.c (build_c_cast): Fold value cast to union type before
7274 wrapping it in a CONSTRUCTOR.
7276 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7278 PR rtl-optimization/42699
7279 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7282 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7284 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7285 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7286 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7287 SUBTARGET_WARN_UNUSED_SPEC): ... here
7288 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7290 2010-01-12 Julian Brown <julian@codesourcery.com>
7292 * config/arm/neon-schedgen.ml (Utils): Don't try to
7293 open missing module.
7294 (find_with_result): New.
7296 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7299 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7300 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7302 PR tree-optimization/42645
7303 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7304 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7305 decl_map, set processing_debug_stmt to -1 and return name without
7308 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7310 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7311 binutils version, and reword target configuration description.
7313 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7315 * config/avr/avr.h (LINKER_NAME): Remove.
7317 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7320 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7321 that support VSX, warn for -mno-altivec if vsx is not disabled,
7324 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7325 Shujing Zhao <pearly.zhao@oracle.com>
7327 PR translation/42469
7328 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7329 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7330 character between option name and help text.
7331 * c.opt (imultilib): Likewise.
7333 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7335 * lto-streamer-out.c (output_unreferenced_globals): Output static
7338 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7340 PR rtl-optimization/42621
7341 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7342 optimizing for size.
7343 (duplicate_computed_gotos): Remove now-redundant check.
7345 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7348 * configure.ac: Save and restore LDFLAGS and LIBS
7349 * configure: Regenerate.
7351 2010-01-10 Richard Guenther <rguenther@suse.de>
7354 * builtins.c (fold_builtin_strlen): Add type argument and
7355 convert the resulting length to it.
7356 (fold_builtin_1): Adjust.
7358 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7360 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7361 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7363 (num_insns_constant_wide): Adjust for that change.
7365 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7368 * web.c (union_defs): Add used argument, to combine uses of
7370 (entry_register): Adjust type and tests of used argument.
7371 (web_main): Widen used for new use. Pass it to union_defs.
7372 * df.h (union_defs): Adjust prototype.
7374 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7377 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7378 uses in new incoming argument. Free body.
7379 (reset_debug_uses_in_loop): New.
7380 (analyze_insn_to_expand_var): Call the latter if the former found
7381 anything. Fix whitespace. Reject invalid dest overlaps before
7382 going through all insns in the loop.
7384 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7387 * haifa-sched.c (dying_use_p): Debug insns don't count.
7389 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7392 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7393 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7394 (verify_gimple_call): Reject LHS in noreturn calls.
7396 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7400 * tree-vect-loop-manip.c (adjust_info): New type.
7401 (adjust_vec): New pointer to vector.
7402 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7403 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7404 (slpeel_update_phis_for_duplicate_loop): Use them.
7405 (slpeel_update_phi_nodes_for_guard1): Likewise.
7406 (slpeel_update_phi_nodes_for_guard2): Likewise.
7407 (slpeel_tree_peel_loop_to_edge): Likewise.
7408 (vect_update_ivs_after_vectorizer): Likewise.
7410 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7412 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7413 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7415 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7417 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7418 bogus uninitialized warning.
7420 2010-01-09 Richard Guenther <rguenther@suse.de>
7423 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7424 the evolution is compatible with the initial condition.
7426 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7428 * gcc.c (process_command): Update copyright notice dates.
7429 * gcov.c (print_version): Likewise.
7430 * gcov-dump.c (print_version): Likewise.
7431 * mips-tfile.c (main): Likewise.
7432 * mips-tdump.c (main): Likewise.
7434 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7437 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7439 (rotlhi3_8): Delete.
7441 (rotlsi3_8): Delete.
7442 (rotlsi3_16): Delete.
7443 (rotlsi3_24): Delete.
7445 (*rotw<mode>3): New.
7446 (*rotb<mode>3): New.
7447 * config/avr/avr.c (avr_rotate_bytes): New function.
7448 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7450 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7453 * configure.ac: Modify -rdynamic check.
7454 * configure: Regenerate.
7456 2010-01-08 DJ Delorie <dj@redhat.com>
7458 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7459 register popping order.
7461 2010-01-08 Richard Guenther <rguenther@suse.de>
7464 * c.opt (fsigned-char): Also let LTO handle this option.
7465 (funsigned-char): Likewise.
7467 2010-01-07 Richard Guenther <rguenther@suse.de>
7469 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7470 (gimple_op): Likewise.
7471 (gimple_op_ptr): Likewise.
7472 (gimple_assign_set_lhs): Remove gcc_assert.
7473 (gimple_assign_set_rhs1): Likewise.
7474 (gimple_assign_set_rhs2): Likewise.
7475 (gimple_call_set_lhs): Likewise.
7476 (gimple_call_set_fn): Likewise.
7477 (gimple_call_set_fndecl): Likewise.
7478 (gimple_call_fndecl): Likewise.
7479 (gimple_call_return_type): Likewise.
7480 (gimple_call_set_chain): Likewise.
7481 (gimple_call_num_args): Likewise.
7482 (gimple_call_set_arg): Likewise.
7483 (gimple_cond_set_code): Likewise.
7484 (gimple_cond_set_lhs): Likewise.
7485 (gimple_cond_set_rhs): Likewise.
7486 (gimple_cond_set_true_label): Likewise.
7487 (gimple_cond_set_false_label): Likewise.
7488 (gimple_label_set_label): Likewise.
7489 (gimple_goto_set_dest): Likewise.
7490 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7491 (gimple_debug_bind_get_value): Likewise.
7492 (gimple_debug_bind_get_value_ptr): Likewise.
7493 (gimple_debug_bind_set_var): Likewise.
7494 (gimple_debug_bind_set_value): Likewise.
7495 (gimple_debug_bind_reset_value): Likewise.
7496 (gimple_debug_bind_has_value_p): Likewise.
7497 (gimple_return_retval_ptr): Remove gcc_assert.
7498 (gimple_return_retval): Likewise.
7499 (gimple_return_set_retval): Likewise.
7500 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7501 (safe_referenced_var_iterator): Remove.
7502 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7503 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7504 (fill_referenced_var_vec): Remove.
7505 (first_readonly_imm_use): Remove redundant gcc_assert.
7506 (phi_arg_index_from_use): Combine gcc_asserts.
7507 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7508 (first_imm_use_stmt): Remove redundant gcc_assert.
7509 * tree-cfg.c (verify_gimple_call): Verify function and chain
7510 operands. Verify arguments.
7511 (verify_types_in_gimple_stmt): Verify condition code and labels.
7513 2010-01-07 Richard Guenther <rguenther@suse.de>
7515 PR tree-optimization/42641
7516 * sese.c (rename_map_elt_info): Use the SSA name version, do
7519 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7521 PR tree-optimization/42625
7522 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7523 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7525 2010-01-07 Duncan Sands <baldrick@free.fr>
7527 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7529 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7532 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7533 note itself is not function_invariant_p.
7535 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7537 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7538 Do not add the DF_NOTE problem.
7539 * store-motion.c (execute_rtl_store_motion): Likewise.
7541 2010-01-07 Martin Jambor <mjambor@suse.cz>
7543 PR tree-optimization/42157
7544 * tree-sra.c (compare_access_positions): Stabilize sort if both
7545 accesses have integer types, return zero immediately if they are the
7548 2010-01-06 Richard Henderson <rth@redhat.com>
7551 * haifa-sched.c (add_to_note_list): Merge into ...
7552 (concat_note_lists): ... here, and ...
7553 (unlink_other_notes, rm_other_notes): Merge into...
7554 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7555 NOTE_INSN_EPILOGUE_BEG.
7557 2010-01-06 Richard Guenther <rguenther@suse.de>
7559 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7560 not inline regular functions into always-inline functions.
7562 2010-01-06 Nick Clifton <nickc@redhat.com>
7564 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7565 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7567 (OVERRIDE_OPTIONS): Delete.
7568 (OPTIMIZATION_OPTIONS): Define.
7569 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7570 * config/rx/rx.c (rx_handle_option): Issue an error message if
7571 -mcpu=rx200 and -fpu are used together.
7572 (rx_set_optimization_options): New function. Issue an error
7573 message if an optimization attribute attempts to reset the FPU/
7574 math optimization pairing.
7575 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7576 * config/rx/rx.opt: Set the default to 32-bit doubles.
7577 * config/rx/t-rx: Add multilibs for -nofpu option.
7578 * doc/invoke.texi: Update documentation of RX options.
7580 2010-01-06 Richard Guenther <rguenther@suse.de>
7582 * tree-ssa-pre.c (name_to_id): New global.
7583 (alloc_expression_id): Simplify SSA name handling.
7584 (lookup_expression_id): Likewise.
7585 (init_pre): Zero name_to_id.
7586 (fini_pre): Free it.
7588 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7590 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7592 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7595 * config/i386/sse.md (smaxv2di3): New.
7596 (umaxv2di3): Likewise.
7597 (sminv2di3): Likewise.
7598 (uminv2di3): Likewise.
7600 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7603 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7604 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7605 (legitimize_tls_address): Likewise.
7606 (sparc_tls_referenced_p): Likewise.
7607 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7608 and adjust calls to legitimize_pic_address.
7609 (legitimate_constant_p) Use sparc_tls_referenced_p.
7610 (legitimate_pic_operand_p): Likewise.
7611 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7612 (sparc_tls_symbol_ref_1): Delete.
7613 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7614 (legitimize_tls_address): Make static, handle CONST patterns.
7615 (legitimize_pic_address): Make static, remove unused parameter and
7616 adjust recursive calls.
7617 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7618 and adjust call to legitimize_pic_address.
7619 (sparc_output_mi_thunk): Likewise.
7621 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7622 H.J. Lu <hongjiu.lu@intel.com>
7625 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7626 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7627 operands to make them signed.
7630 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7633 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7634 GTU to GT for V4SI and V2DI.
7636 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7637 (umin<mode>3): Removed.
7639 (uminv4si3): Likewise.
7641 2010-01-05 Martin Jambor <mjambor@suse.cz>
7643 PR tree-optimization/42462
7644 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7645 current_function_decl to helper functions and macros.
7647 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7650 * flags.h: Don't include real.h.
7651 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7652 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7653 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7654 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7655 * dominance.c: Update copyright.
7656 * gimple.c (walk_gimple_op): Remove inline.
7657 * tree-ssa-reassoc.c: Include real.h.
7658 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7659 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7661 2010-01-05 Nick Clifton <nickc@redhat.com>
7663 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7664 register to push into the stack frame when the accumulator has to
7665 be saved during interrupts.
7667 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7669 * doc/invoke.texi: Remove the documentation about option
7671 * common.opt (Wunreachable-code): Preserved for backward
7673 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7674 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7675 the backward compatibility flag section.
7677 2010-01-05 Richard Guenther <rguenther@suse.de>
7679 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7681 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7684 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7686 PR tree-optimization/42508
7687 * tree-sra.c (convert_callers): Check for recursive call
7688 by comparing cgraph nodes instead of decls.
7689 (modify_function): Call ipa_modify_formal_parameters also
7690 on all same_body aliases.
7692 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7693 cgraph nodes when checking for same_body aliases.
7695 2010-01-05 Richard Guenther <rguenther@suse.de>
7697 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7698 allocation and lookup.
7699 (get_or_alloc_expr_for_constant): Likewise.
7700 (phi_translate): Sink allocation.
7702 2010-01-04 Richard Guenther <rguenther@suse.de>
7704 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7705 a new entry only if needed.
7706 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7707 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7709 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7711 (phi_translate): Handle CONSTANTs early.
7713 2010-01-04 Martin Jambor <mjambor@suse.cz>
7715 PR tree-optimization/42398
7716 * tree-sra.c (struct access): Removed flag grp_different_types.
7717 (dump_access): Do not dump the removed flag.
7718 (sort_and_splice_var_accesses): Do not set the removed flag.
7719 (sra_modify_expr): Check for type compatibility directly.
7721 2010-01-04 Martin Jambor <mjambor@suse.cz>
7723 PR tree-optimization/42366
7724 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7725 edges with variable number of parameters.
7726 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7727 flag instead of asserting it.
7728 (ipa_read_node_info): Read uses_analysis_done flag.
7730 2010-01-04 Richard Guenther <rguenther@suse.de>
7732 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7733 iterative_hash_* as intended.
7734 (vn_reference_compute_hash): Likewise. Simplify hashing
7736 (vn_reference_lookup_2): Likewise.
7737 (vn_nary_op_compute_hash): Likewise.
7738 (vn_phi_compute_hash): Likewise.
7739 (expressions_equal_p): Remove strange code.
7740 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7741 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7742 (bitmap_insert_into_set_1): Take value-id as parameter.
7743 (add_to_value): Pass it.
7744 (bitmap_insert_into_set): Likewise.
7745 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7747 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7750 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7751 (do_self_spec): For switches with SWITCH_IGNORE set set also
7752 SWITCH_IGNORE_PERMANENTLY.
7753 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7756 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7758 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7759 tree of an unreferenced global var.
7761 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7764 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7765 GTU to GT for V4SI and V2DI.
7767 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7768 (umin<mode>3): Removed.
7770 (uminv4si3): Likewise.
7772 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7775 * collect2.c (main): Turn on trace in collect2 if -v is passed
7778 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7780 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7781 description of expression operand.
7783 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7785 * configure.ac: Add install-html to target_list for Make-hooks.
7786 * configure: Regenerate.
7787 * fortran/Make-lang.in (F95_HTMLFILES): New.
7788 (fortran.html): Use it.
7789 (fortran.install-html): New.
7790 * Makefile.in (install-html): Add lang.install-html.
7791 * java/Make-lang.in (JAVA_HTMLFILES): New.
7792 (java.html): Use it.
7793 (java.install-html): New.
7794 * objc/Make-lang.in (objc.install-html): New.
7795 * objcp/Make-lang.in (obj-c++.install-html): New.
7796 * cp/Make-lang.in (c++.install-html): New.
7797 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7798 * lto/Make-lang.in (lto.install-html): New.
7800 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7803 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7805 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7807 PR rtl-optimization/41862
7808 * store-motion.c (store_killed_in_insn, compute_store_table,
7809 remove_reachable_equiv_notes, replace_store_insn,
7810 build_store_vectors): Ignore all DEBUG_INSNs.
7812 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7815 * common.opt: Add dumpdir.
7817 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7819 (option_map): Add --dumpdir.
7821 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7823 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7825 * opts.c (decode_options): Try dump_dir_name first if
7826 dump_base_name isn't an absolute path.
7827 (common_handle_option): Handle OPT_dumpdir.
7829 * toplev.c (dump_dir_name): New.
7830 (print_switch_values): Also ignore -dumpdir.
7832 * toplev.h (dump_dir_name): New.
7834 2010-01-03 Richard Guenther <rguenther@suse.de>
7836 PR tree-optimization/42589
7837 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7838 double-word expansion of bswap32.
7840 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7842 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7843 with BLOCK_FOR_INSN.
7844 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7845 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7846 noce_process_if_block): Likewise.
7847 * gcse.c (compute_local_properties, insert_expr_in_table,
7848 insert_set_in_table, canon_list_insert, find_avail_set,
7849 pre_insert_copy_insn): Likewise.
7851 * basic-block.h (BLOCK_NUM): Move from here...
7852 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7854 2010-01-03 Richard Guenther <rguenther@suse.de>
7856 PR tree-optimization/42438
7857 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7858 contains_may_not_return_call flag.
7859 (BB_MAY_NOTRETURN): New.
7860 (valid_in_sets): Trapping nary operations are not valid
7861 in blocks that may not return.
7862 (insert_into_preds_of_block): Remove check for trapping expressions.
7863 (compute_avail): Compute also BB_MAY_NOTRETURN.
7865 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7867 * doc/invoke.texi: Add 2010 to copyright years.
7869 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7871 * config/sparc/sparc.c: Fix formatting nits.
7873 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7874 Alexander Monakov <amonakov@ispras.ru>
7876 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7878 2010-01-02 Richard Guenther <rguenther@suse.de>
7881 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7882 (simplify_switch_using_ranges): Mark to be removed edges
7885 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7887 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7889 * collect2.c (scan_libraries): Add missing argument in call to
7892 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7895 * config/alpha/predicates.md (aligned_memory_operand): Return false
7897 (unaligned_memory_operand): Return true for CQImode.
7898 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7899 doesn not cross aligned SImode word boundary.
7901 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7903 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7905 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7906 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7908 2010-01-02 Richard Guenther <rguenther@suse.de>
7911 * toplev.c (compile_file): Emit LTO marker properly. Change
7913 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7915 2010-01-01 Richard Guenther <rguenther@suse.de>
7918 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7920 2010-01-01 Richard Guenther <rguenther@suse.de>
7923 * c-decl.c (grokdeclarator): For zero-size arrays force
7924 structural equality checks as layout_type does.
7926 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7928 * builtins.c: Update copyright to 2010.
7930 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7933 * lto-streamer-out.c (produce_asm): Revert the last change.
7934 (copy_function): Likewise.
7936 * lto-streamer.c (lto_get_section_name): Skip any leading
7939 2010-01-01 Richard Guenther <rguenther@suse.de>
7942 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7946 Copyright (C) 2010 Free Software Foundation, Inc.
7948 Copying and distribution of this file, with or without modification,
7949 are permitted in any medium without royalty provided the copyright
7950 notice and this notice are preserved.