1 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3 * config/picochip/picochip.c (picochip_legitimize_address): Define.
4 Use this function to do machine-specific conversion.
5 (picochip_legitimize_reload_address): Likewise.
6 (picochip_legitimate_address_p): Check valid base register only if
8 (picochip_check_conditional_copy): Check for modw only if opnd is
10 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
11 to call the function in c.
12 * config/picochip/picochip-protos.h
13 (picochip_legitimize_reload_address): Define.
14 * config/picochip/picochip.md (supported_compare1): Define.
16 2010-04-30 Jan Hubicka <jh@suse.cz>
18 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
19 (cgraph_global_info): Remove inlined.
20 (LTO_cgraph_tag_names): Remove.
21 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
22 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
23 simplify cgraph tags and document.
24 (lto_output_node): Use only LTO_cgraph_unavail_node and
25 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
26 for_functions_valid, global info, process and output
28 (input_overwrite_node): Initialize estimated stack size and
30 Do not read flags we no longer store.
31 (input_node): Likewise do not read info no longer stored.
32 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
35 2010-04-30 Richard Guenther <rguenther@suse.de>
37 PR tree-optimization/43879
38 * tree-ssa-structalias.c (get_constraint_for_1): Properly
39 handle non-zero initializers.
41 2010-04-30 Richard Guenther <rguenther@suse.de>
43 * builtins.c (fold_builtin_1): Delete free (0).
45 2010-04-29 Jan Hubicka <jh@suse.cz>
47 * gengtype.c (open_base_files): Add lto-streamer.h
48 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
49 (pass_ipa_cp): GGC collect.
50 * toplev. (compile_file): Do not output symbols.
51 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
52 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
53 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
54 * lto-section-in.c: Include ggc.h
55 (lto_new_in_decl_state): Alloc in GGC.
56 (lto_delete_in_decl_state): Likewise.
57 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
59 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
62 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
63 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
64 (HONOR_REG_ALLOC_ORDER): Describe new macro.
65 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
66 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
67 account only if HONOR_REG_ALLOC_ORDER is not defined.
68 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
69 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
71 2010-04-29 Jon Grant <04@jguk.org>
73 * collect2.c (vflag): Change type from int to bool.
75 (helpflag): New global bool.
76 (main): Set vflag and debug with boolean, not integer truth
77 values. Accept new "--help" option and output usage text if
79 * collect2.h (vflag): Update prototype.
82 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
85 * plugin.h (flag_plugin_added): Moved out of
86 invoke_plugin_callbacks.
88 2010-04-29 Richard Guenther <rguenther@suse.de>
91 * plugin.h (invoke_plugin_callbacks): Annotate arguments
92 with ATTRIBUTE_UNUSED.
94 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
97 * config/i386/i386.c (get_some_local_dynamic_name): Replace
98 INSN_P with NONDEBUG_INSN_P.
99 (distance_non_agu_define): Likewise.
100 (distance_agu_use): Likewise.
102 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
104 From Dominique d'Humieres <dominiq@lps.ens.fr>
106 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
109 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
111 * plugin.h (invoke_plugin_callbacks): New inline function.
112 * plugin.c (flag_plugin_added): New global flag.
113 (add_new_plugin): Initialize above flag.
114 (invoke_plugin_callbacks): Rename to ...
115 (invoke_plugin_callbacks_full): ... this.
117 2010-04-28 Jan Hubicka <jh@suse.cz>
119 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
120 (lto_varpool_replace_node): New.
121 (lto_symtab_resolve_symbols): Resolve varpool nodes.
122 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
123 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
124 * cgraph.h (varpool_node_ptr): New type.
125 (varpool_node_ptr): New vector.
126 (varpool_node_set_def): New structure.
127 (varpool_node_set): New type.
128 (varpool_node_set): New vector.
129 (varpool_node_set_element_def): New structure.
130 (varpool_node_set_element, const_varpool_node_set_element): New types.
131 (varpool_node_set_iterator): New type.
132 (varpool_node): Add prev pointers, add used_from_other_partition,
134 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
135 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
136 varpool_get_node, varpool_remove_node): Declare.
137 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
138 varpool_node_set_size): New inlines.
139 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
140 * tree-pass.h (varpool_node_set_def): Forward declare.
141 (ipa_opt_pass_d): Summary writting takes vnode sets too.
142 (ipa_write_optimization_summaries): Update prototype.
143 * ipa-cp.c (ipcp_write_summary): Update.
144 * ipa-reference.c (ipa_reference_write_summary): Update.
145 * lto-cgraph.c (lto_output_varpool_node): New static function.
146 (output_varpool): New function.
147 (input_varpool_node): New static function.
148 (input_varpool_1): New function.
149 (input_cgraph): Input varpool.
150 * ipa-pure-const.c (pure_const_write_summary): Update.
151 * lto-streamer-out.c (lto_output): Update, output varpool too.
152 (write_global_stream): Kill WPA hack.
153 (produce_asm_for_decls): Update.
154 (output_alias_pair_p): Handle variables.
155 (output_unreferenced_globals): Output only needed partition of varpool.
156 * ipa-inline.c (inline_write_summary): Update.
157 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
158 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
159 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
160 varpool_node_set_new, varpool_node_set_add,
161 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
162 debug_varpool_node_set): New functions.
163 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
164 (execute_one_pass): Process new decls too.
165 (ipa_write_summaries_2): Pass around vsets.
166 (ipa_write_summaries_1): Likewise.
167 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
169 (ipa_write_optimization_summaries_1): Pass around vsets.
170 (ipa_write_optimization_summaries): Likewise.
171 * varpool.c (varpool_get_node): New.
172 (varpool_node): Update doubly linked lists.
173 (varpool_remove_node): New.
174 (dump_varpool_node): More dumping.
175 (varpool_enqueue_needed_node): Update doubly linked lists.
176 (decide_is_variable_needed): Kill ltrans hack.
177 (varpool_finalize_decl): Kill lto hack.
178 (varpool_assemble_decl): Skip decls in other partitions.
179 (varpool_assemble_pending_decls): Update doubly linkes lists.
180 (varpool_empty_needed_queue): Likewise.
181 (varpool_extra_name_alias): Likewise.
182 * lto-streamer.c (lto_get_section_name): Add vars section.
183 * lto-streamer.h (lto_section_type): Update.
184 (output_varpool, input_varpool): Declare.
186 2010-04-28 Mike Stump <mikestump@comcast.net>
188 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
190 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
192 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
193 record or union type with RECORD_OR_UNION_TYPE_P predicate.
194 (lto_input_ts_type_tree_pointers): Likewise.
195 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
196 (lto_output_ts_type_tree_pointers): Likewise.
198 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
200 Uniquization of constants at the Tree level
201 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
202 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
204 (tree_output_constant_def): Declare.
205 * gimplify.c (gimplify_init_constructor): When using block copy, first
206 uniquize the constant constructor on the RHS.
207 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
208 DECL_IN_CONSTANT_POOL flag.
209 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
210 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
212 (assemble_variable): Deal with symbols belonging to the tree constant
214 (get_constant_section): Add ALIGN parameter and simplify.
215 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
216 (assemble_constant_contents): Use the expression of the VAR_DECL.
217 (output_constant_def_contents): Use the alignment of the VAR_DECL.
218 (tree_output_constant_def): New global function.
219 (mark_constant): Use the expression of the VAR_DECL.
220 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
222 (output_object_block): Likewise and assemble the expression.
224 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
226 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
227 hash_tree, eq_tree): New tree hash table.
228 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
229 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
230 lto_orig_address_remove): Reimplement.
232 2010-04-28 Xinliang David Li <davidxl@google.com>
235 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
236 (compute_uninit_opnds_pos): New function.
237 (is_non_loop_exit_postdominating): New function.
238 (compute_control_dep_chain): New function.
239 (find_pdom): New function.
240 (convert_control_dep_chain_into_preds): New function.
241 (find_predicates): New function.
242 (find_control_equiv_block): New function.
243 (collect_phi_def_edges): New function.
244 (find_def_preds): New function.
245 (find_dom): New function.
246 (dump_predicates): New function.
247 (get_cmp_code): New function.
248 (is_value_included_in): New function.
249 (find_matching_predicate_in_rest_chains): New function.
250 (use_pred_not_overlap_with_undef_path_pred): New function.
251 (is_use_properly_guarded): New function.
252 (normalize_cond_1): New function.
253 (is_and_or_or): New function.
254 (normalize_cond): New function.
255 (is_gcond_subset_of): New function.
256 (is_subset_of_any): New function.
257 (is_or_set_subset_of): New function.
258 (is_and_set_subset_of): New function.
259 (is_norm_cond_subset_of): New function.
260 (is_pred_expr_subset_of): New function.
261 (is_pred_chain_subset_of): New function.
262 (is_included_in): New function.
263 (is_superset_of): New function.
264 (find_uninit_use): New function.
265 (warn_uninitialized_phi): New function.
266 (compute_possibly_undefined_names): New function.
267 (ssa_undefined_value_p): New function.
268 (execute_late_warn_uninitialized): New function.
269 * tree-ssa.c (ssa_undefined_value_p): Removed.
270 (warn_uninit): Changed to extern.
271 (warn_uninitialized_phi): Removed.
272 (warn_uninitialized_vars): Changed to extern.
273 (execute_late_warn_uninitialized): Removed
274 * tree-flow.h: Add new prototypes.
275 * timevar.def: Add new time variable.
276 * Makefile.in: Add new build file.
278 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
280 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
283 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
286 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
288 2010-04-28 Martin Jambor <mjambor@suse.cz>
290 * cgraph.h (struct cgraph_node): New field indirect_calls.
291 (struct cgraph_indirect_call_info): New type.
292 (struct cgraph_edge): Removed field indirect_call. New fields
293 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
294 (cgraph_create_indirect_edge): Declare.
295 (cgraph_make_edge_direct): Likewise.
296 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
297 * ipa-prop.h (struct ipa_param_call_note): Removed.
298 (struct ipa_node_params): Removed field param_calls.
299 (ipa_create_all_structures_for_iinln): Declare.
300 * cgraph.c: Described indirect edges and uids in initial comment.
301 (cgraph_add_edge_to_call_site_hash): New function.
302 (cgraph_edge): Search also among the indirect edges, use
303 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
304 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
305 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
307 (initialize_inline_failed): Assign a reason to indirect edges.
308 (cgraph_create_edge_1): New function.
309 (cgraph_create_edge): Moved some functionality to
310 cgraph_create_edge_1.
311 (cgraph_create_indirect_edge): New function.
312 (cgraph_edge_remove_callee): Add an assert checking for
314 (cgraph_edge_remove_caller): Special-case indirect edges.
315 (cgraph_remove_edge): Likewise.
316 (cgraph_set_edge_callee): New function.
317 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
318 (cgraph_make_edge_direct): New function.
319 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
320 the declaration of the call statement matches.
321 (cgraph_node_remove_callees): Special-case indirect edges.
322 (cgraph_clone_edge): Likewise.
323 (cgraph_clone_node): Clone also the indirect edges.
324 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
325 indirect_call, dump count of indirect_calls edges.
326 * ipa-prop.c (iinlining_processed_edges): New variable.
327 (ipa_note_param_call): Create indirect edges instead of
328 creating notes. New parameter node.
329 (ipa_analyze_call_uses): New parameter node, pass it on to
331 (ipa_analyze_stmt_uses): Likewise.
332 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
333 (print_edge_addition_message): Work on edges rather than on notes.
334 (update_call_notes_after_inlining): Likewise, renamed to
335 update_indirect_edges_after_inlining.
336 (ipa_create_all_structures_for_iinln): New function.
337 (ipa_free_node_params_substructures): Do not free notes.
338 (ipa_edge_duplication_hook): Propagate bits within
339 iinlining_processed_edges bitmap.
340 (ipa_node_duplication_hook): Do not duplicate notes.
341 (free_all_ipa_structures_after_ipa_cp): Renamed to
342 ipa_free_all_structures_after_ipa_cp.
343 (free_all_ipa_structures_after_iinln): Renamed to
344 ipa_free_all_structures_after_iinln.g
345 (ipa_write_param_call_note): Removed.
346 (ipa_read_param_call_note): Removed.
347 (ipa_write_indirect_edge_info): New function.
348 (ipa_read_indirect_edge_info): Likewise.
349 (ipa_write_node_info): Do not stream notes, do stream information
351 (ipa_read_node_info): Likewise.
352 (lto_ipa_fixup_call_notes): Removed.
353 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
354 * ipa-inline.c (pass_ipa_inline): Likewise.
355 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
356 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
357 * tree-inline.c (copy_bb): Removed an unnecessary double check for
359 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
361 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
362 (output_cgraph): Stream also indirect edges.
363 (lto_output_edge): Added capability to stream indirect edges.
364 (input_edge): Likewise.
365 (input_cgraph_1): Likewise.
366 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
369 2010-04-28 Richard Guenther <rguenther@suse.de>
371 PR tree-optimization/43879
372 PR tree-optimization/43909
373 * tree-ssa-structalias.c (struct variable_info): Add
374 only_restrict_pointers flag.
375 (new_var_info): Initialize it. Increment stats.total_vars here.
376 (create_function_info_for): Do not increment stats.total_vars
378 (get_function_part_constraint): Fix build with C++.
379 (insert_into_field_list): Remove.
380 (push_fields_onto_fieldstack): Properly merge fields.
381 (create_variable_info_for): Split and simplify.
382 (create_variable_info_for_1): New piece.
383 (intra_create_variable_infos): Properly make restrict constraints
386 2010-04-28 Richard Guenther <rguenther@suse.de>
389 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
392 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
393 Jan Hubicka <hubicka@ucw.cz>
395 * doc/invoke.texi (-Wsuggest-attribute=const,
396 -Wsuggest-attribute=pure): Document.
397 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
398 (function_always_visible_to_compiler_p,
399 suggest_attribute, warn_function_pure, warn_function_const):
401 (check_call): Improve debug info.
402 (analyze_function): Do not check availability.
403 (add_new_function): Check availability.
404 (propagate): Output warnings.
405 (skip_function_for_local_pure_const): New function.
406 (local_pure_const): Use it; output warnings.
407 * common.opt (Wsuggest-attribute=const,
408 Wsuggest-attribute=pure): New.
410 2010-04-27 Jakub Jelinek <jakub@redhat.com>
412 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
413 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
414 or DW_CFA_def_cfa_offset{,_sf}.
416 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
418 * tree.h: Fix truncated long macros.
420 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
422 * collect2.c (TARGET_64BIT): Redefine to target's default.
424 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
425 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
426 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
427 for underscoring __USER_LABEL_PREFIX__.
428 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
429 (SUB_LINK_ENTRY32): New.
430 (SUB_LINK_ENTRY64): New.
431 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
432 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
433 (SUB_LINK_ENTRY64): New.
434 (SUB_LINK_ENTRY): New.
435 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
436 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
437 x64 target is choosen.
438 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
439 * configure: Regenerated.
440 * configure.ac (leading-mingw64-underscores): Option added.
442 2010-04-27 Jan Hubicka <jh@suse.cz>
444 * doc/invoke.texi (-fipa-profile): Document.
445 * opts.c (decode_options): Enable ipa-profile at -O1.
446 * timevar.def (TV_IPA_PROFILE): Define.
447 * common.opt (fipa-profile): Add.
448 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
450 (cgraph_propagate_frequency): Handle only local ones.
451 * tree-pass.h (pass_ipa_profile): Declare.
452 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
453 (pass_ipa_profile): Use TV_IPA_PROFILE.
454 * ipa.c (ipa_profile): New function.
455 (gate_ipa_profile): Likewise.
456 (pass_ipa_profile): New global variable.
457 * passes.c (pass_ipa_profile): New.
459 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
461 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
463 2010-04-27 Martin Jambor <mjambor@suse.cz>
466 * ipa.c (dissolve_same_comdat_group_list): New function.
467 (function_and_variable_visibility): Call
468 dissolve_same_comdat_group_list when comdat group contains external or
470 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
471 lists are circular and that they contain only DECL_ONE_ONLY nodes.
473 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
475 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
476 (const_hash_1) <VECTOR_CST>: New case.
477 (compare_constant) <VECTOR_CST>: Likewise.
478 <ADDR_EXPR>: Deal with LABEL_REFs.
479 (copy_constant) <VECTOR_CST>: New case.
481 2010-04-27 Jan Hubicka <jh@suse.cz>
483 * cgraph.c (cgraph_propagate_frequency): New function.
484 * cgraph.h (cgraph_propagate_frequency): Declare.
485 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
486 cgraph_propagate_frequency.
488 2010-04-27 Jakub Jelinek <jakub@redhat.com>
490 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
492 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
495 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
496 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
497 here to determine which regs to push and how much stack to reserve.
499 2010-04-27 Jie Zhang <jie@codesourcery.com>
501 * doc/gimple.texi (gimple_statement_with_ops): Remove
502 addresses_taken field.
503 (gimple_statement_with_memory_ops): Likewise.
505 2010-04-27 Jan Hubicka <jh@suse.cz>
507 * tree-inline.c (eni_inlining_weights): Remove.
508 (estimate_num_insns): Special case more builtins.
510 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
513 * c-typeck.c (build_binary_op): Move forward check for comparison
514 pointer with null pointer constant and adjust the diagnostic message.
516 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
519 * configure.ac (gcc_cv_as_section_has_align): Set if installed
520 binutils supports extended .section directive needed by LTO, or
521 warn if older binutils found.
522 (LTO_BINARY_READER): New AC_SUBST'd variable.
523 (LTO_USE_LIBELF): Likewise.
524 * gcc/config.gcc (lto_binary_reader): New target-specific configure
526 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
527 (LTO_USE_LIBELF): Likewise.
528 * configure: Regenerate.
530 * collect2.c (is_elf): Rename from this ...
531 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
532 object files in addition to ELF-formatted ones.
533 (scan_prog_file): Caller updated. Also allow for LTO info marker
534 symbol to be prefixed or not by an extra underscore.
536 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
537 * config/i386/winnt.c: Also #include lto-streamer.h
538 (i386_pe_asm_named_section): Specify 1-byte section alignment for
540 (i386_pe_asm_output_aligned_decl_common): Add comment.
541 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
543 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
546 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
547 Add missing earlyclobber for second alternative.
549 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
551 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
552 bits for artificial defs at the top of the block.
553 * fwprop.c (single_def_use_enter_block): Don't call it.
555 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
558 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
559 instead of "$gcc_cv_objdump -T".
560 Use "-undefined dynamic_lookup" on darwin.
561 * gcc/configure: Regenerate.
563 2010-04-26 Jakub Jelinek <jakub@redhat.com>
566 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
568 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
570 * c-parser.c (struct c_token): Move location field up.
571 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
572 (struct c_declspecs): Convert typespec_word, storage_class, and
573 default_int_p into bitfields.
574 (struct c_declarator): Move loc field up.
576 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
578 * cfgloop.h (struct loop): Move can_be_parallel field up.
579 * ipa-prop.h (struct ip_node_params): Move bitfields up.
580 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
582 (struct iv_cand): Convert pos field into a bitfield.
583 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
585 (struct _stmt_vec_info): Shuffle fields for better packing.
587 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
589 * varasm.c (IN_NAMED_SECTION): Remove guard.
590 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
591 (IN_NAMED_SECTION_P): ...this.
592 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
593 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
595 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
597 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
598 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
599 of shadowing it. Fix comments.
601 2010-04-26 Jan Hubicka <jh@suse.cz>
603 * cgraph.c (cgraph_create_node): Set node frequency to normal.
604 (cgraph_clone_node): Copy function frequency.
605 * cgraph.h (node_frequency): New enum
606 (struct cgraph_node): Add.
607 * final.c (rest_of_clean_state): Update.
608 * lto-cgraph.c (lto_output_node): Output node frequency.
609 (input_overwrite_node): Input node frequency.
610 * tre-ssa-loop-ivopts (computation_cost): Update.
611 * lto-streamer-out.c (output_function): Do not output function
613 * predict.c (maybe_hot_frequency_p): Update and handle functions
615 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
617 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
618 (compute_function_frequency): Set noreturn functions to be executed
620 (choose_function_section): Update.
621 * lto-streamer-in.c (input_function): Do not input function frequency.
622 * function.c (allocate_struct_function): Do not initialize function
624 * function.h (function_frequency): Remove.
625 (struct function): Remove function frequency.
626 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
627 (try_update): Update.
628 * tree-inline.c (initialize_cfun): Do not update function frequency.
629 * passes.c (pass_init_dump_file): Update.
630 * i386.c (ix86_compute_frame_layout): Update.
631 (ix86_pad_returns): Update.
633 2010-04-26 Jie Zhang <jie@codesourcery.com>
635 PR tree-optimization/43833
636 * tree-vrp.c (range_int_cst_p): New.
637 (range_int_cst_singleton_p): New.
638 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
639 when both operands are constants. Use range_int_cst_p in
642 2010-04-26 Jan Hubicka <jh@suse.cz>
644 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
646 2010-04-26 Richard Guenther <rguenther@suse.de>
649 * gimple.c (gimple_decl_printable_name): Deal gracefully
650 with a NULL DECL_NAME.
652 2010-04-26 Richard Guenther <rguenther@suse.de>
655 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
656 if emitting debug information and it is either a function
659 2010-04-26 Ira Rosen <irar@il.ibm.com>
661 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
662 determine if the statement is vectorizable, and a macro to access it.
663 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
664 Skip statements that can't be vectorized. If the analysis fails,
665 mark the statement as unvectorizable if vectorizing basic block.
666 (vect_compute_data_refs_alignment): Likewise.
667 (vect_verify_datarefs_alignment): Skip statements marked as
668 unvectorizable. Add print.
669 (vect_analyze_group_access): Skip statements that can't be
670 vectorized. If the analysis fails, mark the statement as
671 unvectorizable if vectorizing basic block.
672 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
673 * tree-vect-stmts.c (vectorizable_store): Fix the number of
674 generated stmts for SLP.
675 (new_stmt_vec_info): Initialize the new field.
676 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
677 statements marked as unvectorizable.
679 2010-04-25 Joseph Myers <joseph@codesourcery.com>
681 * c-common.c (flag_isoc1x): New.
682 (flag_isoc99): Update comment.
683 * c-common.h (flag_isoc1x): New.
684 (flag_isoc99): Update comment.
685 * c-cppbuiltin.c (builtin_define_float_constants): Also define
686 __<type>_DECIMAL_DIG__.
687 * c-opts.c (set_std_c1x): New.
688 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
689 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
690 * c.opt (-std=c1x, -std=gnu1x): New options.
691 * doc/cpp.texi: Mention -std=c1x.
692 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
693 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
694 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
695 * doc/standards.texi: Mention C1X.
696 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
697 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
698 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
701 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
703 * config/i386/gmon-sol2.c (_mcleanup): Change format string
704 placeholder from 0x%x to %#x.
705 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
706 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
707 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
708 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
709 * config/i386/i386.c (ix86_target_string): Ditto.
710 (output_pic_addr_const): Ditto.
711 (print_operand): Ditto.
713 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
715 * combine.c (find_split_point): Add third argument. Use it
716 to find nested multiply-accumulate instructions. Adjust calls.
717 (try_combine): Adjust call to find_split_point.
719 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
721 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
723 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
725 PR tree-optimization/41442
726 * fold-const.c (merge_truthop_with_opposite_arm): New function.
727 (fold_binary_loc): Call it.
729 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
731 * toplev.c (general_init): Set default for fdiagnostics-show-option.
732 * opts.c (common_handle_option): Allow disabling it.
733 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
735 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
737 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
738 between modes if both types are integral.
740 2010-04-23 Richard Guenther <rguenther@suse.de>
742 PR tree-optimization/43572
743 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
745 2010-04-23 Richard Guenther <rguenther@suse.de>
748 * tree-inline.c (tree_can_inline_p): Also check compatibility
751 2010-04-23 Martin Jambor <mjambor@suse.cz>
753 PR tree-optimization/43846
754 * tree-sra.c (struct access): New flag grp_assignment_read.
755 (build_accesses_from_assign): Set grp_assignment_read.
756 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
757 (enum mark_read_status): New type.
758 (analyze_access_subtree): Propagate grp_assignment_read, create
759 accesses also if both direct_read and root->grp_assignment_read.
761 2010-04-23 Martin Jambor <mjambor@suse.cz>
764 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
765 function does not have type attributes.
767 2010-04-23 Richard Guenther <rguenther@suse.de>
770 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
773 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
775 * sese.h (create_if_region_on_edge): Remove.
777 * sese.c (create_if_region_on_edge): Make static.
779 * tree-inline.c: Do not include ggc.h.
781 * expr.c: Do not include ggc.h.
783 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
786 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
789 * config/sh/sh.c (find_barrier): Don't emit a constant pool
790 in the middle of insns for casesi_worker_2.
792 2010-04-22 David Edelsohn <edelsohn@gnu.org>
794 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
796 2010-04-22 Ira Rosen <irar@il.ibm.com>
798 PR tree-optimization/43842
799 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
800 loop unrolling in update of exit phis. Fix comment.
801 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
802 least two reduction statements in the loop before starting SLP
805 2010-04-22 Nick Clifton <nickc@redhat.com>
807 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
809 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
811 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
814 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
816 * tree-parloops.c (loop_parallel_p): New argument
817 parloop_obstack. Pass it down.
818 (parallelize_loops): New variable parloop_obstack. Initialize it,
819 pass it down, free it.
821 * tree-loop-linear.c (linear_transform_loops): Pass down
824 * tree-data-ref.h (lambda_compute_access_matrices): New argument
825 of type struct obstack *.
827 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
828 scratch_obstack. Initialize it, pass down, free it.
830 * lambda.h (lambda_loop_new): Remove.
831 (lambda_matrix_new, lambda_matrix_inverse)
832 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
833 argument of type struct obstack *.
835 * lambda-trans.c (lambda_trans_matrix_new): New argument
836 lambda_obstack. Pass it down, use obstack allocation for ret.
837 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
840 * lambda-mat.c (lambda_matrix_get_column)
841 (lambda_matrix_project_to_null): Remove.
842 (lambda_matrix_new): New argument lambda_obstack. Use obstack
844 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
847 * lambda-code.c (lambda_loop_new): New function.
848 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
849 (lambda_compute_auxillary_space, lambda_compute_target_space)
850 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
851 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
852 (build_access_matrix): New argument lambda_obstack. Use obstack
854 (lambda_compute_step_signs, lambda_compute_access_matrices): New
855 argument lambda_obstack. Pass it down.
857 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
859 * optabs.h (expand_widening_mult): Declare.
861 2010-04-22 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/43845
864 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
865 lookup the CALL_EXPR function and arguments.
867 2010-04-22 Nick Clifton <nickc@redhat.com>
869 * config/stormy16/stormy16.c
870 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
871 * config/stormy16/stormy16.h: Tidy up formatting.
872 (DONT_USE_BUILTIN_SETJMP): Remove definition.
873 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
874 (ineqbranchsi): Delete pattern.
875 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
876 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
877 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
878 stormy16-lib2-ucmpsi2.c.
880 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
882 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
883 df_simulate_find_noclobber_defs as appropriate. Keep track of an
884 extra set merge_set_noclobber, and use it to relax the final test
886 * df.h (df_simulate_find_noclobber_defs): Declare.
887 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
889 (df_simulate_find_noclobber_defs): New function.
891 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
893 * config/i386/i386.md: Use {} around multi-line preparation statements.
895 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
897 * c-tree.h (push_init_level, pop_init_level, set_init_index)
898 (process_init_element): New argument of type struct obstack *.
900 * c-typeck.c (push_init_level, pop_init_level, set_designator)
901 (set_init_index, set_init_label, set_nonincremental_init)
902 (set_nonincremental_init_from_string, find_init_member)
903 (output_init_element, output_pending_init_elements)
904 (process_init_element): New argument braced_init_obstack. Pass it
906 (push_range_stack, add_pending_init): New argument
907 braced_init_obstack. Use obstack allocation.
909 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
910 braced_init_obstack. Pass it down.
911 (c_parser_braced_init): New variables ret, braced_init_obstack.
912 Initialize obstack, pass it down and finally free it.
914 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
917 * tree-pass.h (pass_optimize_widening_mul): Declare.
918 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
919 gate_optimize_widening_mul): New static functions.
920 (pass_optimize_widening_mul): New.
921 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
922 <case MULT_EXPR>: Remove support for widening multiplies.
923 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
924 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
925 simplify_gen_unary rather than directly building extensions.
926 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
928 * expmed.c (expand_widening_mult): New function.
929 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
931 2010-04-21 Jan Hubicka <jh@suse.cz>
933 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
934 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
935 * lto-wpa-fixup.c: Remove.
936 * Makefile.in (lto-wpa-fixup.o): Remove.
937 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
938 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
939 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
941 2010-04-21 Jan Hubicka <jh@suse.cz>
943 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
944 add write_optimization_summary, read_optimization_summary.
945 (ipa_write_summaries_of_cgraph_node_set): Remove.
946 (ipa_write_optimization_summaries): Declare.
947 (ipa_read_optimization_summaries): Declare.
948 * ipa-cp.c (pass_ipa_cp): Update.
949 * ipa-reference.c (pass_ipa_reference): Update.
950 * ipa-pure-const.c (pass_ipa_pure_const): Update.
951 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
953 * ipa-inline.c (pass_ipa_inline): Update.
954 * ipa.c (pass_ipa_whole_program): Update.
955 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
956 * passes.c (ipa_write_summaries_1): Do not test wpa.
957 (ipa_write_optimization_summaries_1): New.
958 (ipa_write_optimization_summaries): New.
959 (ipa_read_summaries): Do not test ltrans.
960 (ipa_read_optimization_summaries_1): New.
961 (ipa_read_optimization_summaries): New.
963 2010-04-21 Jan Hubicka <jh@suse.cz>
965 * lto-cgraph.c (lto_output_node): Do not output comdat groups
967 (output_cgraph): Do not arrange comdat groups for boundary nodes.
969 2010-04-21 Jakub Jelinek <jakub@redhat.com>
972 * dwarf2out.c (add_name_and_src_coords_attributes): Add
973 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
975 2010-04-21 Jan Hubicka <jh@suse.cz>
977 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
979 2010-04-21 Jan Hubicka <jh@suse.cz>
981 * varpool.c (decide_is_variable_needed): Variable is always needed
984 2010-04-21 Jan Hubicka <jh@suse.cz>
986 * opts.c (decode_options): Enable pure-const pass for whopr.
988 2010-04-21 Jan Hubicka <jh@suse.cz>
990 * cgraph.c (dump_cgraph_node): Dump also assembler name.
991 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
993 (cgraph_decide_inlining): Do not expect callee to be removed in all
996 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
998 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1000 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1002 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1003 amdfam10_decode attributes.
1005 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1008 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1009 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1010 (lower_copyprivate_clauses): Use private var in outer
1011 context instead of original var. Make sure the types
1012 are correct for VLAs.
1014 2010-04-21 Richard Guenther <rguenther@suse.de>
1016 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1017 to non-pointer objects.
1019 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1021 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1022 last chain entry if it starts with the still current label.
1023 (add_location_or_const_value_attribute): Check that
1024 loc_list->first->next is NULL instead of comparing ->first with ->last.
1025 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1026 to add_var_loc_to_decl.
1028 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1029 >= 4 add also address size and segment size fields into CIE header.
1031 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1032 long as address size is the same as sizeof (void *) and
1034 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1035 address size or segment size is unexpected, return DW_EH_PE_omit.
1036 (classify_object_over_fdes): If get_cie_encoding returned
1037 DW_EH_PE_omit, return -1.
1038 (init_object): If classify_object_over_fdes returned -1,
1039 pretend there were no FDEs at all.
1041 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1043 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1044 bswap{si,di}2 using SWI48 mode iterator.
1045 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1046 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1047 set modrm attribute of bswap insn to 0 and remove length attribute.
1048 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1049 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1050 set mode attribute to <MODE> and remove length attribute.
1052 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1054 PR rtl-optimization/43520
1055 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1056 zero available registers.
1058 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1060 * builtins.c (fold_builtin_cproj): Fold more cases.
1062 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1064 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1065 (fold_builtin_1): Fold builtin cproj.
1066 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1067 Use ATTR_CONST_NOTHROW_LIST.
1069 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1071 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1072 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1073 ffsi2_no_cmove for !TARGET_CMOVE.
1074 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1075 (ffssi2): Remove expander.
1076 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1078 (ctz<mode>2): Ditto from ctz{si,di}2.
1079 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1081 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1084 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1086 * dwarf2out.c (AT_linkage_name): Define.
1087 (clone_as_declaration): Handle DW_AT_linkage_name.
1088 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1089 of DW_AT_MIPS_linkage_name.
1090 (move_linkage_attr): Likewise.
1091 (dwarf2out_finish): Likewise.
1093 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1096 * fold-const.c (fold_comparison): New folding rule.
1098 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1100 * double-int.h (double_int_setbit): Declare.
1101 * double-int.c (double_int_setbit): New function.
1102 * rtl.h (immed_double_int_const): Declare.
1103 * emit-rtl.c (immed_double_int_const): New function.
1104 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1105 and immed_double_int_const functions.
1106 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1107 expand_copysign_bit): (Ditto.).
1108 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1109 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1110 * dojump.c (prefer_and_bit_test): (Ditto.).
1111 * expr.c (convert_modes, reduce_to_bit_field_precision,
1112 const_vector_from_tree): (Ditto.).
1113 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1115 2010-04-20 Jan Hubicka <jh@suse.cz>
1117 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1118 (dump_cgraph_node): Dump new flags.
1119 * cgraph.h (struct cgraph_node): Add flags
1120 reachable_from_other_partition and in_other_partition.
1121 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1122 other partition can not be removed.
1123 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1124 the other partition must be output; silence sanity checking on
1125 leaking functions bodies from other paritition.
1126 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1127 (lto_output_node): Output new flags; do not sanity check that inline
1128 clones are output; drop lto_forced_extern_inline_p code; do not mock
1129 visibility flags at partition boundaries.
1130 (add_node_to): New function.
1131 (output_cgraph): Use it to sort functions so masters appear before
1133 (input_overwrite_node): Input new flags.
1134 * passes.c (ipa_write_summaries): Do not call
1135 lto_new_extern_inline_states.
1136 * lto-section-out.c (forced_extern_inline,
1137 lto_new_extern_inline_states lto_delete_extern_inline_states,
1138 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1139 * lto-streamer.h (lto_new_extern_inline_states,
1140 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1141 lto_forced_extern_inline_p): Kill.
1143 2010-04-20 Richard Guenther <rguenther@suse.de>
1145 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1146 from vars that can have pointers.
1147 (process_constraint): Dump useless constraints.
1149 2010-04-20 Richard Guenther <rguenther@suse.de>
1151 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1152 (dump_sa_points_to_info): Remove asserts.
1153 (init_base_vars): nothing_id isn't an escape point nor does it
1156 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1158 * tree.h (TYPE_REF_IS_RVALUE): Define.
1159 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1160 should_move_die_to_comdat, prune_unused_types_walk): Handle
1161 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1162 (modified_type_die, gen_reference_type_die): Emit
1163 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1164 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1166 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1169 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1170 calls for -fpic -m31 if they have been sibcall optimized.
1172 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1174 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1175 ar.lc fixed and call-used.
1177 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1179 2010-04-19 Jan Hubicka <jh@suse.cz>
1181 * opts.c (decode_options): Disable whpr incompatible passes.
1182 * lto/lto.c (lto_1_to_1_map): Skip clones.
1183 (read_cgraph_and_symbols): Do not mark everything as needed.
1184 (do_whole_program_analysis): Do map only after optimizing;
1185 set proper cgraph_state; use passmanager.
1187 2010-04-19 DJ Delorie <dj@redhat.com>
1189 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1190 POINTER_PLUS_EXPR and fix them.
1192 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1194 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1195 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1196 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1197 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1198 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1199 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1200 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1201 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1202 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1203 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1204 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1206 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1208 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1209 (check_cond_move_block): Likewise.
1210 (cond_move_process_if_block): Likewise.
1211 (noce_find_if_block): Improve formatting.
1212 (find_if_header): Pass 0 to memset and tweak conditions.
1213 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1215 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1217 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1221 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1222 with non-local decl doesn't need chain.
1224 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1226 * ira-color.c (allocno_reload_assign): Avoid accumulating
1227 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1229 2010-04-19 Martin Jambor <mjambor@suse.cz>
1231 * gimple.h (create_tmp_reg): Declare.
1232 * gimplify.c (create_tmp_reg): New function.
1233 (gimplify_return_expr): Use create_tmp_reg.
1234 (gimplify_omp_atomic): Likewise.
1235 (gimple_regimplify_operands): Likewise.
1236 * tree-dfa.c (make_rename_temp): Likewise.
1237 * tree-predcom.c (predcom_tmp_var): Likewise.
1238 (reassociate_to_the_same_stmt): Likewise.
1239 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1240 (get_replaced_param_substitute): Likewise.
1241 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1242 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1243 * tree-ssa-pre.c (get_representative_for): Likewise.
1244 (create_expression_by_pieces): Likewise.
1245 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1246 (create_tailcall_accumulator): Likewise.
1248 2010-04-19 Martin Jambor <mjambor@suse.cz>
1250 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1252 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1254 2010-04-19 Richard Guenther <rguenther@suse.de>
1256 PR tree-optimization/43796
1257 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1258 from SCEV in the lattice.
1259 (vrp_visit_phi_node): Dump change.
1261 2010-04-19 Richard Guenther <rguenther@suse.de>
1263 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1264 * configure: Re-generated.
1266 2010-04-19 Richard Guenther <rguenther@suse.de>
1268 PR tree-optimization/43783
1269 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1270 constant ARRAY_REF operands two and three if possible.
1272 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1275 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1277 2010-04-19 Jie Zhang <jie@codesourcery.com>
1280 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1282 2010-04-19 Ira Rosen <irar@il.ibm.com>
1284 PR tree-optimization/37027
1285 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1286 and macro to access it.
1287 (vectorizable_reduction): Add argument.
1288 (vect_get_slp_defs): Likewise.
1289 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1290 statements for possible use in SLP.
1291 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1292 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1293 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1295 (vectorizable_reduction): Likewise.
1296 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1298 (vectorizable_type_demotion, vectorizable_type_promotion,
1299 vectorizable_store): Likewise.
1300 (vect_analyze_stmt): Update call to vectorizable_reduction.
1301 (vect_transform_stmt): Likewise.
1302 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1303 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1304 from different interleaving chains in same node.
1305 (vect_slp_rearrange_stmts): New function.
1306 (vect_supported_load_permutation_p): Allow load permutations for
1307 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1308 inside SLP nodes if necessary.
1309 (vect_analyze_slp_instance): Handle reductions.
1310 (vect_analyze_slp): Try to build SLP instances originating from groups
1312 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1313 (vect_get_constant_vectors): Create initial vectors for reductions
1314 according to reduction code. Add new argument.
1315 (vect_get_slp_defs): Add new argument, pass it to
1316 vect_get_constant_vectors.
1317 (vect_schedule_slp_instance): Remove SLP tree root statements.
1319 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1321 * tree.h (ENUM_IS_SCOPED): Define.
1322 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1323 for ENUM_IS_SCOPED enums.
1325 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1327 * fold-const.c (fold_comparison): Use ssizetype.
1328 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1329 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1330 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1331 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1333 * tree.h (initialize_sizetypes): Remove parameter.
1334 (build_common_tree_nodes): Remove second parameter.
1335 * stor-layout.c (initialize_sizetypes): Remove parameter.
1336 Always create an unsigned type.
1337 (set_sizetype): Assert that the passed type is unsigned and simplify.
1338 * tree.c (build_common_tree_nodes): Remove second parameter.
1339 Adjust call to initialize_sizetypes.
1340 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1341 build_common_tree_nodes.
1343 2010-04-18 Matthias Klose <doko@ubuntu.com>
1345 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1347 2010-04-18 Ira Rosen <irar@il.ibm.com>
1349 PR tree-optimization/43771
1350 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1351 load permutation doesn't have gaps.
1353 2010-04-18 Jan Hubicka <jh@suse.cz>
1355 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1356 (sse_prologue_save_insn expander): Use new pattern.
1357 (sse_prologue_save_insn1): New pattern and splitter.
1358 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1360 * i386.c (setup_incoming_varargs_64): Do not compute jump
1362 (ix86_gimplify_va_arg): Update alignment needed.
1363 (ix86_local_alignment): Do not align all local arrays to 128bit.
1365 2010-04-17 Jan Hubicka <jh@suse.cz>
1367 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1369 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1371 * arm.md (negdi2): Remove redundant code to force values into a
1374 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1376 * arm/bpabi.S: Add EABI alignment attributes to objects.
1377 * arm/bpabi-v6m.S: Likewise.
1378 * arm/crti.asm: Likewise.
1379 * arm/crtn.asm: Likewise.
1380 * arm/lib1funcs.asm: Likewise.
1381 * arm/libunwind.S: Likewise.
1383 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1385 * arm-protos.h (tune_params): New structure.
1386 * arm.c (current_tune): New variable.
1387 (arm_constant_limit): Delete.
1388 (struct processors): Add pointer to the tune parameters.
1389 (arm_slowmul_tune): New tuning option.
1390 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1391 (all_cores): Adjust to pick up the tuning model.
1392 (arm_constant_limit): New function.
1393 (arm_override_options): Select the appropriate tuning model. Delete
1394 initialization of arm_const_limit.
1395 (arm_split_constant): Use the new constant-limit model.
1396 (arm_rtx_costs): Pick up the current tuning model.
1397 * arm.md (is_strongarm, is_xscale): Delete.
1398 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1399 for Xscale variant architectures.
1400 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1402 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1404 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1406 (arm_rtx_costs_1): Remove unused variable extra_cost.
1407 (arm_unwind_emit_set): Use variable offset.
1408 (thumb1_output_casesi): Remove unused variable flags.
1410 2010-04-16 Jeff Law <law@redhat.com>
1412 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1413 needing assignment rather than doing a two-phase assignment. Remove
1414 unused variable 'm'.
1416 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1419 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1421 2010-04-16 Doug Kwan <dougkwan@google.com>
1423 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1424 (next_operand_entry_id): New static variable.
1425 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1426 (add_to_ops_vec): Assigned unique ID to operand entry.
1427 (struct oecount_s): New field ID.
1428 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1429 (undistribute_ops_list): Assign unique IDs to oecounts.
1430 (init_reassoc): reset next_operand_entry_id.
1432 2010-04-16 Doug Kwan <dougkwan@google.com>
1434 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1435 missing left parenthesis.
1437 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1439 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1440 *btdi_rex64 using SWI48 mode iterator.
1441 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1442 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1443 *jcc_btdi_mask_rex64.
1445 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1447 * double-int.h (tree_to_double_int): Convert to macro.
1448 * double-int.c (tree_to_double_int): Remove.
1450 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1453 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1454 with want_address 2 and in case a single element list might be
1455 possible, call it again with want_address 0.
1457 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1459 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1460 case 'W' print operands for HI mode.
1461 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1462 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1463 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1464 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1466 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1468 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1469 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1470 #xx:3 and #xx:4 mode.
1472 * config/h8300/h8300.md (inverted load with HImode dest): Add
1473 support for H8300SX.
1475 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1476 satisfy 'U' constraint.
1478 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1480 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1481 * configure: Regenerate.
1482 * config.in: Regenerate.
1483 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1486 2010-04-16 Richard Guenther <rguenther@suse.de>
1488 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1489 (struct tree_decl_common): ... here.
1490 (DECL_PT_UID): Adjust.
1491 (SET_DECL_PT_UID): Likewise.
1492 (DECL_PT_UID_SET_P): Likewise.
1494 2010-04-16 Richard Guenther <rguenther@suse.de>
1496 PR tree-optimization/43572
1497 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1498 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1499 * tree-flow.h (is_call_clobbered): Remove.
1500 * tree-flow-inline.h (is_call_clobbered): Likewise.
1501 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1502 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1503 (execute_return_slot_opt): Adjust.
1504 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1505 check for call clobbered vars here.
1506 (find_tail_calls): Move tailcall verification to the
1509 2010-04-16 Diego Novillo <dnovillo@google.com>
1511 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1513 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1516 * config/arm/arm.md (cbranchqi4): New pattern.
1517 * config/arm/predicates.md (const0_operand,
1518 cbranchqi4_comparison_operator): New predicates.
1520 2010-04-16 Richard Guenther <rguenther@suse.de>
1522 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1523 (dump_gimple_stmt): Likewise.
1525 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1527 * recog.h (struct recog_data): New field is_operator.
1528 (struct insn_operand_data): New field is_operator.
1529 * recog.c (extract_insn): Set recog_data.is_operator.
1530 * genoutput.c (output_operand_data): Emit code to set the
1532 * reload.c (find_reloads): Use it rather than testing for an
1533 empty constraint string.
1536 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1537 If the previous insn is a cbranchsi4_insn with the same arguments,
1538 omit the compare instruction.
1540 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1541 register, inputs must be low registers and we need a low register
1542 scratch. Handle alternative 2 like alternative 3.
1544 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1546 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1547 don't call get_addr on both. If one expression is a VALUE and
1548 the other a REG, check VALUE's locs if the REG isn't among them.
1550 2010-04-16 Christian Bruel <christian.bruel@st.com>
1552 * config/sh/sh.h (sh_frame_pointer_required): New function.
1553 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1554 (flag_omit_frame_pointer) Set.
1555 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1556 (rounded_frame_size): Adjust size with outgoing_args_size.
1557 (sh_set_return_address): Must return from stack pointer.
1558 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1559 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1560 (ACCUMULATE_OUTGOING_ARGS): Define.
1561 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1562 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1564 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1567 * config/sh/sh.c (sh_legitimize_reload_address): Use
1568 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1569 Remove a unneeded check for offset_base.
1571 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1573 * configure: Regenerated.
1575 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1577 * config/s390/s390.c (s390_call_save_register_used): Switch back
1578 to HARD_REGNO_NREGS.
1580 2010-04-15 Richard Guenther <rguenther@suse.de>
1582 * alias.c (alias_set_subset_of): Handle alias-set zero
1585 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1586 Julian Brown <julian@codesourcery.com>
1588 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1589 alternatives according to use of high and low regs.
1590 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1591 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1592 optimizing for size on Thumb-2.
1594 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1596 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1598 2010-04-15 Richard Guenther <rguenther@suse.de>
1600 * tree-ssa-structalias.c (struct variable_info): Add
1602 (new_var_info): Initialize it.
1603 (dump_constraints): Support printing last added constraints.
1604 (debug_constraints): Adjust.
1605 (dump_constraint_graph): Likewise.
1606 (make_heapvar_for): Check for NULL cfun.
1607 (get_function_part_constraint): New function.
1608 (get_fi_for_callee): Likewise.
1609 (find_func_aliases): Properly implement IPA PTA constraints.
1610 (process_ipa_clobber): New function.
1611 (find_func_clobbers): Likewise.
1612 (insert_into_field_list_sorted): Remove.
1613 (create_function_info_for): Properly allocate vars for IPA mode.
1614 Do not use insert_into_field_list_sorted.
1615 (create_variable_info_for): Properly generate constraints for
1616 global vars in IPA mode.
1617 (dump_solution_for_var): Always dump the solution.
1618 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1619 (find_what_var_points_to): Adjust.
1620 (pt_solution_set): Change.
1621 (pt_solution_ior_into): New function.
1622 (pt_solution_empty_p): Export.
1623 (pt_solution_includes_global): Adjust.
1624 (pt_solution_includes_1): Likewise.
1625 (pt_solutions_intersect_1): Likewise.
1626 (dump_sa_points_to_info): Check some invariants.
1627 (solve_constraints): Move constraint dumping ...
1628 (compute_points_to_sets): ... here.
1629 (ipa_pta_execute): ... and here.
1630 (compute_may_aliases): Do not re-compute points-to info
1631 locally if IPA info is available.
1632 (ipa_escaped_pt): New global var.
1633 (ipa_pta_execute): Properly implement IPA PTA.
1634 * tree-into-ssa.c (dump_decl_set): Support dumping
1635 decls not in referenced-vars.
1636 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1637 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1638 (dump_points_to_solution): Likewise.
1639 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1640 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1641 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1642 (copy_decl_to_var): Copy DECL_PT_UID.
1643 (copy_result_decl_to_var): Likewise.
1644 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1645 (copy_node_stat): Copy it.
1646 * tree.h (DECL_PT_UID): New macro.
1647 (SET_DECL_PT_UID): Likewise.
1648 (DECL_PT_UID_SET_P): Likewise.
1649 (struct tree_decl_minimal): Add pt_uid member.
1650 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1651 (pt_solution_empty_p): Declare.
1652 (pt_solution_set): Adjust.
1653 (ipa_escaped_pt): Declare.
1654 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1655 * gimple-pretty-print.c (pp_points_to_solution): New function.
1656 (dump_gimple_call): Dump call clobber/use information.
1657 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1658 * tree-pass.h (TDF_ALIAS): New dump option.
1659 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1660 * doc/invoke.texi (-fipa-pta): Update documentation.
1662 2010-04-15 Richard Guenther <rguenther@suse.de>
1664 * Makefile.in (OBJS-common): Add gimple-fold.o.
1665 (gimple-fold.o): New rule.
1666 * tree.h (maybe_fold_offset_to_reference,
1667 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1669 * gimple.h: ... here.
1670 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1671 may_propagate_address_into_dereference): Move prototypes ...
1672 * gimple.h: ... here.
1673 * tree-ssa-ccp.c (get_symbol_constant_value,
1674 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1675 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1676 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1677 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1678 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1679 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1680 gimplify_and_update_call_from_tree): Move ...
1681 * gimple-fold.c: ... here. New file.
1682 (ccp_fold_builtin): Rename to ...
1683 (gimple_fold_builtin): ... this.
1684 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1686 2010-04-15 Richard Guenther <rguenther@suse.de>
1688 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1689 fit_double_type, force_fit_type_double, add_double_with_sign,
1690 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1691 lrotate_double, rrotate_double, div_and_round_double): Move ...
1692 * double-int.c: ... here.
1693 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1694 add_double, neg_double, mul_double_with_sign, mul_double,
1695 lshift_double, rshift_double, lrotate_double, rrotate_double,
1696 div_and_round_double): Move prototypes ...
1697 * double-int.h: ... here.
1699 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1702 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1703 matching constraints to ensure inputs match the output.
1705 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1708 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1709 in an input-only operand.
1711 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1713 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1714 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1715 (double_int_negative_p): Convert to static inline function.
1716 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1717 (double_int_negative_p): Remove.
1718 * tree.h (lshift_double, rshift_double):
1719 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1720 * fold-const.c (fold_convert_const_int_from_real,
1721 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1722 (lshift_double): Change type of arith argument to bool.
1723 (rshift_double): Change type of arith argument to bool. Correct
1725 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1727 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1730 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1731 at the start and end of the then/else blocks, and omit them from the
1733 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1734 argument; all callers changed. Pass zero to old_insns_match_p instead.
1735 (flow_find_head_matching_sequence): New function.
1736 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1737 * basic-block.h (flow_find_cross_jump,
1738 flow_find_head_matching_sequence): Declare functions.
1740 2010-04-14 Jason Merrill <jason@redhat.com>
1743 * c-common.c (attribute_takes_identifier_p): New fn.
1744 * c-common.h: Declare it.
1746 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1748 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1750 (*udivmod<mode>4): Ditto.
1752 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1754 * config/i386/i386.md (maxmin_int): Rename code attribute from
1755 maxminiprefix and update all users.
1756 (maxmin_float): Ditto from maxminfprefix.
1757 (logic): Ditto from logicprefix.
1758 (absneg_mnemonic): Ditto from absnegprefix.
1759 * config/i386/mmx.md: Update all users of maxminiprefix,
1760 maxminfprefix and logicprefix for rename.
1761 * config/i386/sse.md: Ditto.
1762 * config/i386/sync.md (sync_<code><mode>): Update for
1765 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1768 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1769 warnings converted to errors.
1771 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1773 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1774 used insn_type variable.
1775 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1776 to avoid set-but-not-used warning.
1778 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1780 * df-core.c (df_ref_debug): Change format string placeholder
1782 * dwarf2asm.c (dw2_asm_output_data_raw,
1783 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1784 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1785 * dwarf2out.c (output_cfi, output_cfi_directive,
1786 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1787 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1789 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1790 * print-rtl.c (print_rtx): Ditto.
1792 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1795 * builtins.c (expand_builtin_pow_root): New function to expand pow
1796 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1797 series of sqrt and cbrt calls under -ffast-math.
1798 (expand_builtin_pow): Call it.
1800 2010-04-14 Michael Matz <matz@suse.de>
1802 PR tree-optimization/42963
1803 * tree-cfg.c (touched_switch_bbs): New static variable.
1804 (group_case_labels_stmt): New function broken out from ...
1805 (group_case_labels): ... here, use the above.
1806 (start_recording_case_labels): Allocate touched_switch_bbs.
1807 (end_recording_case_labels): Deallocate it, call
1808 group_case_labels_stmt.
1809 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1811 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1813 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1816 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1818 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1820 2010-04-13 Jan Hubicka <jh@suse.cz>
1822 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1823 of optimized out static functions.
1824 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1825 cost computation. Also sanity check for overflows.
1826 (update_caller_keys): Update cgraph_edge_badness call; properly
1827 update fibheap and sanity check that it is up to date.
1828 (add_new_edges_to_heap): Update cgraph_edge_badness.
1829 (cgraph_decide_inlining_of_small_function): Likewise;
1830 add sanity checking that badness in heap is up to date;
1831 improve dumping of reason; Update badness of calls to the
1832 offline copy of function currently inlined; dump badness
1833 of functions not inlined because of unit growth limits.
1835 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1838 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1839 because of sign-extension change when converting to sizetype here...
1840 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1842 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1843 the folding to constants. Remove redundant final conversion.
1844 (fold_binary) <associate>: Do not associate if the re-association of
1845 constants alone overflows.
1846 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1847 to the end of the list.
1848 (multiple_of_p) <COND_EXPR>: New case.
1850 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1852 * opt-functions.awk (opt_sanitized_name): New.
1854 * optc-gen.awk: Use it
1855 * opth-gen.awk: Use it.
1857 2010-04-13 Martin Jambor <mjambor@suse.cz>
1859 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1860 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1861 children. Call replace_uses_with_default_def_ssa_name to handle
1864 2010-04-13 Michael Matz <matz@suse.de>
1867 * builtins.c (expand_builtin_interclass_mathfn): Also create
1868 a register if the predicate doesn't match.
1870 2010-04-13 Diego Novillo <dnovillo@google.com>
1872 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1873 * c-pch.c: Include timevar.h.
1874 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1875 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1876 * ggc-common.c: Include timevar.h.
1877 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1878 * timevar.def (TV_PCH_SAVE): Define.
1879 (TV_PCH_CPP_SAVE): Define.
1880 (TV_PCH_PTR_REALLOC): Define.
1881 (TV_PCH_PTR_SORT): Define.
1882 (TV_PCH_RESTORE): Define.
1883 (TV_PCH_CPP_RESTORE): Define.
1885 2010-04-13 Michael Matz <matz@suse.de>
1887 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1889 (can_reassociate_p): New function.
1890 (break_up_subtract_bb, reassociate_bb): Use it.
1892 2010-04-13 Richard Guenther <rguenther@suse.de>
1895 * builtins.c (c_readstr): Fix assert.
1897 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1899 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1900 when generating cltd insn.
1902 (*ashl<mode>3_1): Remove special handling for register operand 2.
1903 (*ashlsi3_1_zext): Ditto.
1904 (*ashlhi3_1): Ditto.
1905 (*ashlhi3_1_lea): Ditto.
1906 (*ashlqi3_1): Ditto.
1907 (*ashlqi3_1_lea): Ditto.
1908 (*<shiftrt_insn><mode>3_1): Ditto.
1909 (*<shiftrt_insn>si3_1_zext): Ditto.
1910 (*<shiftrt_insn>qi3_1_slp): Ditto.
1911 (*<rotate_insn><mode>3_1): Ditto.
1912 (*<rotate_insn>si3_1_zext): Ditto.
1913 (*<rotate_insn>qi3_1_slp): Ditto.
1915 2010-04-13 Richard Guenther <rguenther@suse.de>
1917 * tree-ssa-structalias.c (callused_id): Remove.
1918 (call_stmt_vars): New.
1919 (get_call_vi): Likewise.
1920 (lookup_call_use_vi): Likewise.
1921 (lookup_call_clobber_vi): Likewise.
1922 (get_call_use_vi): Likewise.
1923 (get_call_clobber_vi): Likewise.
1924 (make_transitive_closure_constraints): Likewise.
1925 (handle_const_call): Adjust to do per-call call-used handling.
1926 (handle_pure_call): Likewise.
1927 (find_what_var_points_to): Remove general callused handling.
1928 (init_base_vars): Likewise.
1929 (init_alias_vars): Initialize call_stmt_vars.
1930 (compute_points_to_sets): Process call-used and call-clobbered
1931 vars for call statements.
1932 (delete_points_to_sets): Free call_stmt_vars.
1934 2010-04-13 Richard Guenther <rguenther@suse.de>
1936 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1937 Only add RW dependence for dependence distance zero.
1938 Adjust maximal vectorization factor according to dependences.
1939 Move alignment handling ...
1940 (vect_find_same_alignment_drs): ... here. New function.
1941 (vect_analyze_data_ref_dependences): Adjust.
1942 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1943 (vect_analyze_data_refs): Adjust minimal vectorization factor
1944 according to data references.
1945 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1946 dependences before determining the vectorization factor.
1947 Analyze alignment after determining the vectorization factor.
1948 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1949 dependences before alignment.
1950 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1952 (vect_analyze_data_refs): Likewise.
1953 (MAX_VECTORIZATION_FACTOR): New define.
1955 2010-04-13 Duncan Sands <baldrick@free.fr>
1957 * except.h (lang_eh_type_covers): Remove.
1958 * except.c (lang_eh_type_covers): Likewise.
1960 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1961 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1963 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1964 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1965 UNITS_PER_LONG where it is ABI relevant.
1966 (s390_return_addr_rtx): Likewise.
1967 (s390_back_chain_rtx): Likewise.
1968 (s390_frame_area): Likewise.
1969 (s390_frame_info): Likewise.
1970 (s390_initial_elimination_offset): Likewise.
1971 (save_gprs): Likewise.
1972 (s390_emit_prologue): Likewise.
1973 (s390_emit_epilogue): Likewise.
1974 (s390_function_arg_advance): Likewise.
1975 (s390_function_arg): Likewise.
1976 (s390_va_start): Likewise.
1977 (s390_gimplify_va_arg): Likewise.
1978 (s390_function_profiler): Likewise.
1979 (s390_optimize_prologue): Likewise.
1980 (s390_rtx_costs): Likewise.
1981 (s390_secondary_reload): Likewise.
1982 (s390_promote_function_mode): Likewise.
1983 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1984 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1985 registers available.
1986 (s390_unwind_word_mode): New function.
1987 (s390_function_value): Split 64 bit values into register pair if
1988 used as return value.
1989 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1990 function call parameters. Handle parallels.
1991 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1992 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1993 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1994 (s390_expand_setmem): Remove unused variable src_addr.
1995 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1996 deal with 64 bit registers.
1997 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1998 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1999 (UNITS_PER_LONG): New macro.
2000 * libjava/include/s390-signal.h: Define extended ucontext
2001 structure containing the upper halfs of the 64 bit registers.
2003 2010-04-13 Simon Baldwin <simonb@google.com>
2005 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2007 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2009 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2010 rvalue on the RHS if the LHS is of a non-renamable type.
2011 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2013 2010-04-13 Matthias Klose <doko@ubuntu.com>
2015 * gcc.c (cc1_options): Handle -iplugindir before processing
2016 the cc1 spec. Only add -iplugindir once.
2017 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2019 * common.opt (iplugindir): Remove `Separate' property, initialize.
2020 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2022 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2023 (distclean): Remove plugin dir.
2024 * doc/invoke.texi: Document -iplugindir.
2026 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2028 * doc/plugins.texi (Loading Plugins): Document short
2029 -fplugin=foo option.
2030 (Plugin API): Mention default_plugin_dir_name function.
2032 * gcc.c (find_file_spec_function): Add new declaration.
2033 (static_spec_func): Use it for "find-file".
2034 (find_file_spec_function): Add new function.
2035 (cc1_options): Add -iplugindir option if -fplugin* options found.
2037 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2039 * plugin.c (add_new_plugin): Updated comment, and handle short
2041 (default_plugin_dir_name): Added new function.
2043 * common.opt (iplugindir): New option to set the plugin directory.
2045 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2047 * config/i386/i386.md (any_rotate): New code iterator.
2048 (rotate_insn): New code attribute.
2050 (SWIM124): New mode iterator.
2051 (<rotate_insn>ti3): New expander.
2052 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2053 any_rotate code iterator.
2054 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2055 using any_rotate code iterator and SWIM124 mode iterator.
2056 (ix86_rotlti3): New insn_and_split pattern.
2057 (ix86_rotrti3): Ditto.
2058 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2059 ix86_rotl{di,ti}3 patterns.
2060 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2061 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2062 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2063 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2064 code iterator and SWI mode iterator.
2065 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2066 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2068 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2069 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2070 (bswap rotatert splitter): Add splitter.
2071 (bswap splitter): Macroize splitter using any_rotate code iterator.
2072 Add insn predicate to split only for TARGET_USE_XCHGB or when
2073 optimizing function for size.
2075 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2077 * config/pa/pa.c (emit_move_sequence): Remove use of
2078 deleted variable flag_argument_noalias.
2080 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2082 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2084 Add to unsupported targets list.
2085 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2086 sparc*-sun-solaris2.[567]* from target lists.
2087 * configure: Regenerate.
2088 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2090 Remove Solaris 7 patch references.
2091 (Specific, sparc-sun-solaris2.7): Removed.
2092 (sparc-sun-solaris2*): Update Solaris 7 example.
2093 (sparc64-*-solaris2*): Likewise.
2095 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2097 * config.build (alpha*-dec-osf4*): Remove.
2098 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2099 of obsolete configurations.
2100 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2102 * config/alpha/t-osf4: Renamed to ...
2103 * config/alpha/t-osf5: ... this.
2104 * config/alpha/osf.h: Renamed to ...
2105 * config/alpha/osf5.h: ... this.
2106 Merged old osf5.h contents.
2108 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2109 (EXTRA_SPECS): Removed.
2110 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2111 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2114 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2116 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2118 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2121 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2122 __thiscall convention.
2124 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2126 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2128 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2130 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2132 * function.c (assign_parms_initialize_all): Add unused attribute
2135 2010-04-12 Richard Guenther <rguenther@suse.de>
2137 * gsstruct.def (GSS_CALL): New.
2138 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2139 * gimple.h: Include tree-ssa-alias.h.
2140 (struct gimple_statement_call): New.
2141 (union gimple_statement_struct_d): Add gimple_call member.
2142 (gimple_call_reset_alias_info): Declare.
2143 (gimple_call_use_set): New function.
2144 (gimple_call_clobber_set): Likewise.
2145 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2146 * gimple.c (gimple_call_reset_alias_info): New function.
2147 (gimple_build_call_1): Call it.
2148 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2149 * tree-inline.c (remap_gimple_stmt): Likewise.
2150 (expand_call_inline): Remove callused handling.
2151 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2152 * tree-dfa.c (dump_variable): Likewise.
2153 * tree-parloops.c (parallelize_loops): Likewise.
2154 * tree-ssa.c (init_tree_ssa): Likewise.
2155 (delete_tree_ssa): Likewise.
2156 * tree-flow-inline.h (is_call_used): Remove.
2157 * tree-flow.h (struct gimple_df): Remove callused member.
2158 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2159 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2160 (ref_maybe_used_by_call_p_1): Simplify.
2161 (call_may_clobber_ref_p_1): Likewise.
2162 * tree-ssa-structalias.c (compute_points_to_sets): Set
2163 the call stmt used and clobbered sets.
2164 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2165 (find_tail_calls): Verify the tail call.
2167 2010-04-12 Richard Guenther <rguenther@suse.de>
2169 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2170 single-iteration always-inline inlining.
2171 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2172 (cgraph_decide_inlining): Do not handle always-inline specially.
2173 (try_inline): Remove always-inline cycle detection special case.
2174 Do not recurse on always-inlines.
2175 (cgraph_early_inlining): Do not iterate if not optimizing.
2176 (cgraph_gate_early_inlining): remove.
2177 (pass_early_inline): Run unconditionally.
2178 (gate_cgraph_decide_inlining): New function.
2179 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2180 not inlining or optimizing.
2181 (cgraph_decide_inlining_of_small_functions): Also consider
2182 always-inline functions.
2183 (cgraph_default_inline_p): Return true for nodes which should
2184 disregard inline limits.
2185 (estimate_function_body_sizes): Assume zero size and time for
2186 nodes which are marked as disregarding inline limits.
2187 (cgraph_decide_recursive_inlining): Do not perform recursive
2188 inlining on always-inline nodes.
2190 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2193 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2194 for exprs satisfying handled_component_p.
2196 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2198 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2199 non-constant aggregate elements.
2201 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2202 is a real initialization.
2204 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2207 * c-decl.c (start_function): Move forward check for nested function.
2209 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2211 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2212 * config/sh/sh.c: Include reload.h.
2213 (sh_legitimize_reload_address): New.
2214 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2215 sh_legitimize_reload_address.
2217 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2219 * config/sh/sh.md (*movqi_pop): New insn pattern.
2220 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2222 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2224 * config/i386/i386.md (any_shiftrt): New code iterator.
2225 (shiftrt_insn): New code attribute.
2227 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2228 using any_shiftrt code iterator.
2229 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2230 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2231 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2232 pattern from corresponding peephole2 patterns.
2233 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2234 using any_shiftrt code iterator.
2235 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2236 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2237 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2238 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2239 *{ashr,lshr}<mode>3_cmp_zext.
2240 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2242 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2244 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2246 (*lshr<mode>3_cconly): Ditto.
2248 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2250 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2251 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2252 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2253 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2255 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2256 from corresponding peephole2 patterns.
2257 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2258 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2259 and *lshrdi3_1_rex64 using SWI mode iterator.
2260 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2261 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2262 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2263 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2264 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2265 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2266 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2267 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2268 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2271 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2273 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2274 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2275 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2276 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2278 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2279 from corresponding peephole2 patterns.
2280 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2281 (ashrsi3_cvt): Rename from ashrsi3_31.
2282 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2283 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2284 and x86_64_shift_adj_3 using SWI48 mode iterator.
2285 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2286 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2287 and *ashrdi3_1_rex64 using SWI mode iterator.
2288 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2289 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2290 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2291 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2292 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2293 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2294 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2295 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2296 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2298 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2299 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2300 x86_shift<mode>_adj_3 expanders.
2302 2010-04-10 Wei Guozhi <carrot@google.com>
2305 * config/arm/arm.c (arm_pic_static_addr): New function.
2306 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2308 (arm_output_addr_const_extra): Output expression for new pattern.
2309 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2311 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2313 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2316 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2317 * web.c: Include "insn-config.h" and "recog.h".
2318 (union_match_dups): New function.
2319 (web_main): Call it.
2320 (union_defs): Don't try to recognize match_dups.
2322 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2323 if doing so would replace the entire pattern.
2325 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2329 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2330 and splitter pattern. Change splitter operand 1 predicate to
2333 2010-04-09 Martin Jambor <mjambor@suse.cz>
2335 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2336 lattices are addresses of CONST_DECLs with the same initial value.
2337 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2338 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2340 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2341 Bernd Schmidt <bernds@codesourcery.com>
2343 * loop-invariant.c (replace_uses): New static function.
2344 (move_invariant_reg): Use it to ensure we can replace the uses.
2346 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2348 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2350 (picochip_override_options): Enable section anchors only above -O1.
2351 (picochip_reorg): Fixed a couple of build warnings.
2353 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2355 * configure.ac (plugin -rdynamic test): Log result.
2356 * configure: Regenerate.
2357 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2358 (RDYNAMIC_SPEC): Define.
2359 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2361 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2363 * configure.ac: Determine Sun ld version numbers.
2364 (comdat_group): Restrict GNU ld version checks to gld.
2365 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2366 (enable_comdat): Support --enable-comdat.
2367 * configure: Regenerate.
2368 * doc/install.texi (Configuration): Document --enable-comdat.
2370 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2372 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2373 * config/sol2-gld.h: ... here.
2374 * config.gcc (sparc*-*-solaris2*): Reflect this.
2375 (i[34567]86-*-solaris2*): Use it.
2377 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2379 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2381 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2383 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2386 * diagnostic.c (diagnostic_initialize): Initialize
2387 some_warnings_are_errors.
2388 (diagnostic_finish): New.
2389 (diagnostic_action_after_output): Call it before exiting.
2390 (diagnostic_report_diagnostic): Do not print message here. Set
2391 some_warnings_are_errors.
2392 * diagnostic.h (diagnostic_context): Delete
2393 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2394 (diagnostic_finish): Declare.
2395 * toplev.c (toplev_main): Call it before exit.
2397 2010-04-09 Jason Merrill <jason@redhat.com>
2400 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2401 for incomplete type.
2404 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2405 based on a warning flag.
2407 2010-04-09 Richard Guenther <rguenther@suse.de>
2409 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2411 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2414 * varasm.c (default_assemble_visibility): Wrap vars that are
2415 set, but unused, by targets without GAS.
2416 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2417 Remove set, but unused, vars.
2418 (rs6000_legitimize_tls_address): Likewise.
2419 (altivec_expand_dst_builtin): Likewise.
2420 * config/darwin.c (machopic_classify_symbol): Likewise.
2421 (machopic_indirection_name): Likewise.
2423 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2425 * config/i386/i386.md (DWI): New mode iterator.
2426 (S): New mode attribute.
2427 (shift_operand): Ditto.
2428 (shift_immediate_operand): Ditto.
2429 (ashl_input_operand): Ditto.
2430 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2431 using SDWIM mode iterator.
2432 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2433 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2435 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2436 from corresponding peephole2 patterns.
2437 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2438 and x86_64_shift_adj_1 using SWI48 mode iterator.
2439 (x86_shift<mode>_adj_2): Ditto.
2440 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2441 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2442 using SWI48 mode iterator.
2443 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2444 *ashldi3_cmp_rex64 using SWI mode iterator.
2445 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2446 *ashldi3_cconly_rex64 using SWI mode iterator.
2447 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2448 x86_shift<mode>_adj_{1,2}.
2449 (ix86_split_ashr): Ditto.
2450 (ix86_split_lshr): Ditto.
2452 2010-04-09 Richard Guenther <rguenther@suse.de>
2454 * target.h (builtin_conversion): Pass in input and output types.
2455 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2456 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2457 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2458 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2460 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2462 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2464 2010-04-09 Richard Guenther <rguenther@suse.de>
2467 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2469 2010-04-09 Richard Guenther <rguenther@suse.de>
2471 * tree-vectorizer.h (struct _stmt_vec_info): Document
2472 that vectype is the type of the LHS.
2473 (supportable_widening_operation, supportable_narrowing_operation):
2474 Get both input and output vector types as arguments.
2475 (vect_is_simple_use_1): Declare.
2476 (get_same_sized_vectype): Likewise.
2477 * tree-vect-loop.c (vect_determine_vectorization_factor):
2478 Set STMT_VINFO_VECTYPE to the vector type of the def.
2479 (vectorizable_reduction): Adjust.
2480 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2481 Adjust. Specify the output vector type.
2482 (vect_pattern_recog_1): Adjust.
2483 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2484 (vectorizable_call): Adjust.
2485 (vectorizable_conversion): Likewise.
2486 (vectorizable_operation): Likewise.
2487 (vectorizable_type_demotion): Likewise.
2488 (vectorizable_type_promotion): Likewise.
2489 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2491 (vect_is_simple_use_1): New function.
2492 (supportable_widening_operation): Get both input and output
2494 (supportable_narrowing_operation): Likewise.
2495 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2497 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2499 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2500 __thiscall and _thiscall as predefined macros.
2501 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2502 thiscall attribute handling.
2503 (ix86_comp_type_attributes): Likewise.
2504 (ix86_function_regparm): Likewise.
2505 (ix86_return_pops_args): Likewise.
2506 (init_cumulative_args): Likewise.
2507 (find_drap_reg): Likewise.
2508 (ix86_static_chain): Likewise.
2509 (x86_this_parameter): Likewise.
2510 (x86_output_mi_thunk): Likewise.
2511 (ix86_attribute_table): Add description for thiscall attribute.
2512 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2513 * doc/extend.texi: Add documentation for thiscall.
2515 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2518 * c.opt (Wint-to-pointer-cast): Available in C++.
2519 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2521 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2523 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2524 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2525 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2526 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2527 function type instead. Reorder and simplify checks.
2529 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2531 2010-04-08 Jing Yu <jingyu@google.com>
2532 Zdenek Dvorak <ook@ucw.cz>
2534 PR tree-optimization/42720
2535 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2536 loop unswitch conditions here from ...
2537 (tree_unswitch_single_loop): ... here.
2539 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2541 * tree-if-conv.c: Fix comments and simplify logic.
2543 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2545 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2546 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2547 (main_tree_if_conversion): Update call to tree_if_conversion.
2549 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2552 * doc/invoke.texi (-b,-V): Delete.
2553 * doc/tm.texi: Do not mention -b.
2554 * gcc.c (display_help): Delete -b and -V.
2555 (process_command): Delete -b and -V.
2556 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2558 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2559 Wolfgang Gellerich <gellerich@de.ibm.com>
2561 Implement target hook for loop unrolling
2562 * target.h (loop_unroll_adjust): Add a new target hook function.
2563 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2564 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2565 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2566 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2567 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2569 (decide_unroll_stupid): Likewise.
2571 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2574 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2576 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2578 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2579 (Specific, *-*-solaris2*): Likewise.
2580 Don't prefer Sun as over GNU as.
2582 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2584 * config/s390/s390.c (override_options): Adjust the z10
2585 defaults for max-unroll-times, max-completely-peeled-insns
2586 and max-completely-peel-times.
2588 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2590 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2591 instructions for z10.
2592 (s390_expand_setmem): Likewise.
2593 (s390_expand_cmpmem): Likewise.
2595 2010-04-08 Richard Guenther <rguenther@suse.de>
2597 PR tree-optimization/43679
2598 * tree-ssa-pre.c (eliminate): Only propagate copies.
2600 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2603 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2604 set but not used variable warning.
2606 2010-04-08 Wei Guozhi <carrot@google.com>
2609 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2610 (arm_size_rtx_costs): Call the new function when optimized for size.
2612 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2615 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2616 op0 is not a MEM, just return NULL instead of assertion
2618 (discover_nonconstant_array_refs): Don't walk debug stmts.
2620 2010-04-08 Doug Kwan <dougkwan@google.com>
2622 * configure.ac: Recognize gold and do not use its version number
2623 to test ld features.
2624 * configure: Regenerate.
2626 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2629 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2630 (negate_value): Move code to push elements to broken_up_substracts ...
2631 (eliminate_plus_minus_pair): ... here. Push operands that have no
2632 negative pair to plus_negates.
2633 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2635 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2637 * doc/install.texi (Configuration): Move description of
2638 --enable-lto, --with-libelf*, --enable-gold from Java section to
2641 * doc/generic.texi (Working with declarations)
2642 (Function Properties, C and C++ Trees): Fix typos.
2643 * doc/sourcebuild.texi (Top Level): Likewise.
2645 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2648 * tree.h (DECL_READ_P): Define.
2649 (struct tree_decl_common): Add decl_read_flag.
2650 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2651 a set but not used warning.
2652 (merge_decls): Merge DECL_READ_P flag.
2653 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2654 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2655 * c-common.c (handle_used_attribute, handle_unused_attribute):
2657 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2659 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2661 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2662 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2663 c_parser_binary_expression, c_parser_cast_expression,
2664 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2665 Call default_function_array_read_conversion instead of
2666 default_function_array_conversion where needed.
2667 (c_parser_unary_expression, c_parser_conditional_expression,
2668 c_parser_postfix_expression_after_primary, c_parser_initelt):
2669 Likewise. Call mark_exp_read where needed.
2670 (c_parser_statement_after_labels, c_parser_asm_operands,
2671 c_parser_typeof_specifier, c_parser_sizeof_expression,
2672 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2674 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2676 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2677 (warn_unused_but_set_parameter): Default to warn_unused
2679 * doc/invoke.texi: Document -Wunused-but-set-variable and
2680 -Wunused-but-set-parameter.
2682 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2683 used count variable.
2684 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2685 when operandN variables aren't used in the body of the expander
2687 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2688 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2689 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2690 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2691 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2692 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2693 * tree.c (PROCESS_ARG): Likewise.
2695 2010-04-07 Simon Baldwin <simonb@google.com>
2697 * diagnostic.h (diagnostic_override_option_index): New macro to
2698 set a diagnostic's option_index.
2699 * c-tree.h (c_cpp_error): Add warning reason argument.
2700 * opts.c (_warning_as_error_callback): New.
2701 (register_warning_as_error_callback): Store callback for
2702 warnings enabled via enable_warning_as_error.
2703 (enable_warning_as_error): Call callback, minor code tidy.
2704 * opts.h (register_warning_as_error_callback): Declare.
2705 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2706 response to -Werror=.
2707 (c_common_init_options): Register warning_as_error_callback in opts.c.
2708 * common.opt: Add -Wno-cpp option.
2709 * c-common.c (struct reason_option_codes_t): Map cpp warning
2710 reason codes to gcc option indexes.
2711 * (c_option_controlling_cpp_error): New function, lookup the gcc
2712 option index for a cpp warning reason code.
2713 * (c_cpp_error): Add warning reason argument, call
2714 c_option_controlling_cpp_error for diagnostic_override_option_index.
2715 * doc/invoke.texi: Document -Wno-cpp.
2717 2010-04-07 Richard Guenther <rguenther@suse.de>
2719 * ipa-reference.c (mark_load): Use get_base_address.
2720 (mark_store): Likewise.
2722 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2723 inserting GIMPLE_NOPs into the IL.
2724 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2725 Explicitly strip handled components and indirect references.
2727 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2728 folding address expressions.
2729 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2730 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2731 operand_equal_p to compare decls.
2732 (ptr_deref_may_alias_decl_p): Likewise.
2733 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2734 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2735 Handle reversed comparison ops.
2736 * tree-sra.c (asm_visit_addr): Use get_base_address.
2737 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2738 * ipa-reference.c (mark_address): Use get_base_address.
2740 2010-04-07 Richard Guenther <rguenther@suse.de>
2742 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2743 Propagate constants everywhere.
2745 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2748 * tree.c (MAX_INT_CACHED_PREC): Define.
2749 (nonstandard_integer_type_cache): New array.
2750 (build_nonstandard_integer_type): Cache results for precision
2751 <= MAX_INT_CACHED_PREC.
2753 2010-04-07 Richard Guenther <rguenther@suse.de>
2755 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2756 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2757 * common.opt: Likewise.
2758 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2759 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2760 (nonoverlapping_memrefs_p): Likewise.
2761 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2762 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2763 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2764 OPT_fargument_noalias_global for backward compatibility.
2766 2010-04-07 Richard Guenther <rguenther@suse.de>
2768 PR tree-optimization/43270
2769 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2770 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2771 * tree-ssa-pre.c (phi_translate_1): Adjust.
2772 (fully_constant_expression): Split out vn_reference handling to ...
2773 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2774 Fold reads from constant strings.
2775 (vn_reference_lookup): Handle fully constant references.
2776 (vn_reference_lookup_pieces): Likewise.
2777 * Makefile.in (expmed.o-warn): Add -Wno-error.
2779 2010-04-07 Martin Jambor <mjambor@suse.cz>
2781 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2783 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2786 * gcc.c: Add -static-libstdc++ to list of recognized options.
2788 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2790 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2792 2010-04-07 Richard Guenther <rguenther@suse.de>
2795 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2796 bases build simple mem attributes to retain points-to information.
2798 2010-04-07 Richard Guenther <rguenther@suse.de>
2801 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2802 preserve points-to related information.
2804 2010-04-07 Richard Guenther <rguenther@suse.de>
2807 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2808 discard plain indirect references.
2809 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2810 * tree.c (tree_nop_conversion): Likewise.
2812 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2815 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2817 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2819 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2820 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2822 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2824 * tree-if-conv.c: Fix indentation and comments.
2826 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2828 * tree-if-conv.c: Sort static functions in topological order.
2830 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2832 * tree-if-conv.c: Fix indentation and comments.
2834 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2837 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2838 lang_hooks.types.type_for_size instead of
2839 build_nonstandard_integer_type.
2840 When converting an unsigned type to signed, double its precision.
2841 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2842 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2843 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2846 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2849 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2850 POINTER_PLUS_EXPR for pointer types.
2852 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2855 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2856 * graphite-clast-to-gimple.c: Include langhooks.h.
2857 (max_signed_precision_type): New.
2858 (max_precision_type): Takes two types as arguments.
2859 (precision_for_value): New.
2860 (precision_for_interval): New.
2861 (gcc_type_for_interval): New.
2862 (gcc_type_for_value): New.
2863 (gcc_type_for_clast_term): New.
2864 (gcc_type_for_clast_red): New.
2865 (gcc_type_for_clast_bin): New.
2866 (gcc_type_for_clast_expr): Split up into several functions.
2867 (gcc_type_for_clast_eq): Rewritten.
2868 (compute_bounds_for_level): New.
2869 (compute_type_for_level_1): New.
2870 (compute_type_for_level): New.
2871 (gcc_type_for_cloog_iv): Removed.
2872 (gcc_type_for_iv_of_clast_loop): Rewritten.
2873 (graphite_create_new_loop): Compute the lower and upper bound types
2874 with gcc_type_for_clast_expr.
2875 (graphite_create_new_loop_guard): Same.
2876 (find_cloog_iv_in_expr): Removed.
2877 (compute_cloog_iv_types_1): Removed.
2878 (compute_cloog_iv_types): Removed.
2879 (gloog): Do not call compute_cloog_iv_types.
2880 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2882 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2883 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2884 (GBB_CLOOG_IV_TYPES): Removed.
2886 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2888 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2889 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2890 (detect_commutative_reduction): Same.
2892 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2894 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2895 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2897 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2898 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2899 (rewrite_commutative_reductions_out_of_ssa): Same.
2900 * passes.c (execute_function_todo): Call verify_ssa for every pass
2901 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2902 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2903 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2904 with an extra argument.
2905 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2906 verify_ssa only when the extra argument is true.
2907 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2908 with an extra argument.
2909 (tree_transform_and_unroll_loop): Same.
2911 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2913 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2914 for all the passes of the LNO having LOOP_CLOSED_SSA.
2915 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2916 * tree-loop-distribution.c (pass_loop_distribution): Same.
2917 * tree-pass.h (TODO_verify_loops): Removed.
2918 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2920 (pass_tree_unswitch): Same.
2921 (pass_predcom): Same.
2922 (pass_vectorize): Same.
2923 (pass_linear_transform): Same.
2924 (pass_graphite_transforms): Same.
2925 (pass_iv_canon): Same.
2926 (pass_complete_unroll): Same.
2927 (pass_complete_unrolli): Same.
2928 (pass_parallelize_loops): Same.
2929 (pass_loop_prefetch): Same.
2930 (pass_iv_optimize): Same.
2932 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2935 * passes.c (init_optimization_passes): Move pass_lim before
2936 pass_copy_prop and pass_dce_loop.
2938 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2941 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2942 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2943 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2944 MULTI_* defines for 4 argument vpermil2p* builtins.
2946 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2948 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2949 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2950 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2951 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2952 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2953 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2954 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2955 Use x86_maybe_negate_const_int to output insn mnemonic.
2956 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2957 check from instruction predicate. Update comments.
2958 * config/i386/sync.md (sync_add<mode>): Use
2959 x86_maybe_negate_const_int to output insn mnemonic.
2961 2010-04-06 Jan Hubicka <jh@suse.cz>
2963 PR tree-optimization/42906
2964 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2965 IGNORE_SELF argument. Set visited_control_parents for fully
2967 (find_obviously_necessary_stmts): Update call of
2968 mark_control_dependent_edges_necessary.
2969 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2971 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2973 * config/i386/i386.md: Remove comment about 'e' and 'E'
2976 2010-04-06 Richard Guenther <rguenther@suse.de>
2978 PR tree-optimization/43627
2979 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2980 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2983 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2985 * BASE-VER: Change to 4.6.0.
2988 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2991 2010-04-06 Richard Guenther <rguenther@suse.de>
2994 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2996 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2998 * doc/invoke.texi (Optimize Options): Document that LTO
2999 won't remove object access purely due to incompatible
3002 2010-04-04 Matthias Klose <doko@ubuntu.com>
3004 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3005 Initialize variable.
3007 2010-04-03 Richard Guenther <rguenther@suse.de>
3010 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3011 require a non-NULL MEM_OFFSET.
3013 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3015 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3016 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3017 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3018 config/alpha/predicates.md, config/arm/arm.md,
3019 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3020 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3021 config/darwin9.h, config/darwin.c, config/darwin.h,
3022 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3023 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3024 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3025 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3026 config/mips/mips.md, config/mn10300/mn10300.c,
3027 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3028 config/rs6000/aix.h, config/rs6000/dfp.md,
3029 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3030 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3031 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3032 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3033 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3034 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3035 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3036 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3037 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3038 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3039 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3040 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3041 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3042 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3043 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3044 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3045 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3046 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3047 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3048 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3049 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3050 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3051 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3052 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3053 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3054 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3055 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3056 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3057 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3058 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3059 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3060 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3061 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3062 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3063 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3064 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3066 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3069 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3070 * aclocal.m4: Regenerate.
3072 2010-04-02 Richard Guenther <rguenther@suse.de>
3074 PR tree-optimization/43629
3075 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3076 if we have seen a constant value.
3078 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3080 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3082 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3085 * arm.c (legitimize_tls_address): Adjust call to
3086 gen_tls_load_dot_plus_four.
3087 (arm_note_pic_base): New function.
3088 (arm_cannot_copy_insn_p): Use it.
3089 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3092 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3097 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3099 * Makefile.in ($(out_object_file)): Depend on
3100 gt-$(basename $(notdir $(out_file))).h.
3102 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3104 * config.gcc (lm32-*-rtems*): Add t-lm32.
3106 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3108 * config.gcc: Add lm32-*-rtems*.
3109 * config/lm32/rtems.h: New file.
3111 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3114 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3116 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3118 * dwarf2out.c (output_compilation_unit_header): For
3119 -gdwarf-4 use version 4 instead of version 3.
3120 (output_line_info): For version 4 and above emit additional
3121 maximum ops per insn header field.
3122 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3124 * dwarf2out.c (is_c_family, is_java): Remove.
3125 (lower_bound_default): New function.
3126 (add_bound_info, gen_descr_array_type_die): Use it.
3128 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3131 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3132 re-declaration when it happens in a function.
3134 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3136 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3137 (cgraph_remove_function_insertion_hook): Same.
3138 (cgraph_call_function_insertion_hooks): Same.
3140 2010-04-01 Richard Guenther <rguenther@suse.de>
3143 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3144 and TREE_THIS_VOLATILE.
3145 (copy_ref_info): Likewise.
3146 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3147 * tree.c (build6_stat): Ignore side-effects of all but arg5
3148 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3151 2010-04-01 Richard Guenther <rguenther@suse.de>
3153 PR tree-optimization/43607
3154 * ipa-type-escape.c (check_call): Do not access non-existing
3157 2010-04-01 Richard Guenther <rguenther@suse.de>
3161 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3162 Jack Howarth <howarth@bromo.med.uc.edu>
3164 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3167 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3169 * doc/install.texi (Prerequisites): Document libelf usability on
3170 IRIX 5/6 and Solaris 2.
3171 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3172 Update GNU as, GNU ld requirements.
3173 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3174 Document Sun Studio compiler download.
3175 Update and simplify as, ld recommendations.
3176 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3178 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3180 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3181 with_tune_32 to pentium4.
3183 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3185 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3187 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3189 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3190 obsoletion, removal.
3192 Document GNU as requirement.
3193 Update configure requirements.
3194 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3195 Recomment IRIX 6.5.18+.
3196 Document IDF/IDL requirement.
3197 Document GNU as requirement.
3198 Document GNU ld bootstrap failure.
3199 Remove freeware.sgi.com reference.
3201 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3203 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3204 UNIX V4.0, V5.0 obsoletion, removal.
3205 Remove --with-gc=simple reference.
3206 Update VM requirements during bootstrap.
3207 Remove -oldas bootstrap description.
3208 Update binutils reference.
3209 Remove comparison failure note.
3211 2010-03-31 Richard Guenther <rguenther@suse.de>
3212 Zdenek Dvorak <ook@ucw.cz>
3213 Sebastian Pop <sebastian.pop@amd.com>
3216 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3217 with multiple arguments.
3218 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3220 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3222 * graphite-dependences.c (print_pddr): Call print_pdr with an
3224 * graphite-poly.c (debug_pdr): Add an extra argument for the
3227 (print_pbb_domain): Same.
3229 (print_scop_context): Same.
3231 (print_cloog): Same.
3232 (debug_pbb_domain): Same.
3236 (debug_scop_context): Same.
3238 (debug_cloog): Same.
3239 (print_scop_params): Same.
3240 (debug_scop_params): Same.
3241 (print_iteration_domain): Same.
3242 (print_iteration_domains): Same.
3243 (debug_iteration_domain): Same.
3244 (debug_iteration_domains): Same.
3245 (print_scattering_function): Same.
3246 (print_scattering_functions): Same.
3247 (debug_scattering_function): Same.
3248 (debug_scattering_functions): Same.
3249 * graphite-poly.h (debug_pdr): Update declaration.
3251 (print_pbb_domain): Same.
3253 (print_scop_context): Same.
3255 (print_cloog): Same.
3256 (debug_pbb_domain): Same.
3260 (debug_scop_context): Same.
3262 (debug_cloog): Same.
3263 (print_scop_params): Same.
3264 (debug_scop_params): Same.
3265 (print_iteration_domain): Same.
3266 (print_iteration_domains): Same.
3267 (debug_iteration_domain): Same.
3268 (debug_iteration_domains): Same.
3269 (print_scattering_function): Same.
3270 (print_scattering_functions): Same.
3271 (debug_scattering_function): Same.
3272 (debug_scattering_functions): Same.
3274 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3276 * graphite-poly.c (print_scattering_function_1): New.
3277 (print_scattering_function): Call it.
3278 (print_scop_params): Remove spaces at the end of lines.
3281 * graphite-poly.h (print_cloog): Declared.
3282 (debug_cloog): Declared.
3284 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3286 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3288 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3289 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3290 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3291 to switch between adding the IV bump in loop->latch or in loop->header.
3293 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3295 * graphite-poly.c (print_scattering_function): Pretty print following
3298 (print_pbb_domain): Same.
3299 (dump_gbb_cases): Same.
3300 (dump_gbb_conditions): Same.
3303 (print_scop_params): Same.
3304 (print_scop_context): Same.
3306 (print_pbb_body): New.
3307 (lst_indent_to): New.
3308 (print_lst): Start new lines with a #.
3309 * graphite-poly.h (pbb_bb): New.
3310 (pbb_index): Use pbb_bb.
3311 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3313 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3315 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3317 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3318 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3319 and 0 instead of 1 for dw_val_class_flag.
3320 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3321 dw_val_class_range_list, dw_val_class_loc_list,
3322 dw_val_class_lineptr and dw_val_class_macptr, use
3323 DW_FORM_flag_present for dw_val_class_flag and
3324 DW_FORM_exprloc for dw_val_class_loc.
3325 (output_die): For -gdwarf-4 print dw_val_class_loc
3326 size as uleb128 instead of 1 or 2 bytes and don't print
3327 anything for dw_val_class_flag.
3329 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3330 instead of cselib_lookup following by tweaking locs->setting_insn.
3333 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3334 even before returning from label, setjmp call or volatile asm
3337 2010-03-31 Richard Guenther <rguenther@suse.de>
3340 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3341 temporary data on stack.
3343 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3345 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3346 (PUSHSECTION_ASM_OP): Remove.
3347 (POPSECTION_ASM_OP): Remove.
3348 (PUSHSECTION_FORMAT): Remove.
3349 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3350 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3351 * config/sol2.c (solaris_output_init_fini): Use it.
3353 2010-03-31 Jie Zhang <jie@codesourcery.com>
3356 * opt-functions.awk (var_type_struct): Use signed char type
3357 for simple variables.
3359 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3361 * config/sol2.c: Include output.h.
3362 (solaris_assemble_visibility): New function.
3363 * config/t-sol2 (sol2.o): Add output.h dependency.
3364 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3365 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3368 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3371 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3372 V2SImode or XFmode on PRE_DEC.
3375 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3378 2010-03-31 Jie Zhang <jie@codesourcery.com>
3381 * reload.h (caller_save_initialized_p): Declare.
3382 * toplev.c (backend_init_target): Don't call
3383 init_caller_save but set caller_save_initialized_p to false.
3384 * caller-save.c (caller_save_initialized_p): Define.
3385 (init_caller_save): Check caller_save_initialized_p.
3386 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3388 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3391 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3392 and soft-fp/t-softfp to tmake_file.
3393 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3394 (LIBGCC2_TF_CEXT): Define.
3397 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3400 * cselib.c (n_useless_values): Document handling of debug locs.
3401 (n_useless_debug_values, n_debug_values): New variables.
3402 (new_elt_loc_list): Don't add to debug values, keep count.
3403 (promote_debug_loc): New.
3404 (cselib_reset_table): Zero new variables.
3405 (entry_and_rtx_equal_p): Promote debug locs.
3406 (discard_useless_locs): Increment n_useless_debug_values for
3408 (remove_useless_values): Adjust n_useless_values and n_debug_values
3409 with n_useless_debug_values.
3410 (add_mem_for_addr): Promote debug locs.
3411 (cselib_lookup_mem): Likewise.
3412 (cselib_lookup_addr): Renamed to...
3413 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3414 (cselib_log_lookup): ... this. Turn into...
3415 (cselib_lookup_addr): ... new wrapper.
3416 (cselib_lookup_from_insn): New.
3417 (cselib_invalidate_regno): Increment n_useless_debug_values for
3419 (cselib_invalidate_mem): Likewise.
3420 (cselib_process_insn): Take n_deleted and n_debug_values into
3421 account to guard remove_useless_value call.
3422 (cselib_finish): Zero n_useless_debug_values.
3423 * cselib.h (cselib_lookup_from_insn): Declare.
3424 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3425 (sched_analyze_2): Likewise.
3427 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3429 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3431 (adjust_mems): Replace narrowing SUBREG of expression containing
3432 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3433 with operations in the narrower mode.
3436 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3437 regs_invalidated_by_call instead all call_used_reg_set registers.
3439 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3442 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3443 pointer comparisons with types_compatible_p.
3444 * tree-vect-stmts.c (vectorizable_call): Same.
3445 (vectorizable_condition): Same.
3447 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3449 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3450 stack check if the mask would be zero.
3452 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3453 Jack Howarth <howarth@bromo.med.uc.edu>
3455 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3458 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3461 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3463 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3464 Include ___unordxf2 and ___unordtf2.
3465 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3468 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3470 * config/lm32/t-lm32: New file.
3471 * config.gcc: Use the above file when targetting lm32.
3473 2010-03-28 Duncan Sands <baldrick@free.fr>
3475 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3477 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3480 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3481 Improve vectorization cost model diagnostic.
3483 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3486 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3487 compute_data_dependences_for_loop returns false, early exit
3488 and output an extra diagnostic for the failed data reference
3491 2010-03-29 Richard Guenther <rguenther@suse.de>
3493 PR tree-optimization/43560
3494 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3495 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3497 2010-03-29 Jie Zhang <jie@codesourcery.com>
3500 * toplev.c (process_options): Set optimization_default_node
3501 and optimization_current_node.
3502 * opts.c (decode_options): Don't set optimization_default_node
3503 and optimization_current_node.
3505 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3507 * config/rtems.h: Abandon -qrtems_debug.
3509 2010-03-28 Jan Hubicka <jh@suse.cz>
3511 PR tree-optimization/43505
3512 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3513 map should not be copied.
3515 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3518 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3519 cdtors, set DECL_PRESERVE_P.
3520 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3523 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3525 PR tree-optimization/43528
3526 * stor-layout.c (place_field): Check that constant fits into
3527 unsigned HWI when skipping calculation of MS bitfield layout.
3529 2010-03-27 Jan Hubicka <jh@suse.cz>
3532 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3533 notice_global_symbol work.
3535 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3537 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3538 instead of dwarf2out_decl.
3539 (struct var_loc_node): Remove section_label field.
3540 (dwarf2out_function_decl): New function.
3541 (dwarf2out_var_location): Don't set section_label field.
3542 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3544 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3546 PR tree-optimization/43544
3547 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3548 First argument for builtin vectorized function hook is now a
3549 tree to be able to distinguish between machine specific and
3551 * targhooks.c (default_builtin_vectorized_function): Ditto.
3552 * targhooks.h (default_builtin_vectorized_function): Ditto.
3553 * target.h (struct gcc_target): Ditto.
3554 * tree-vect-stmts.c (vectorizable_function): Ditto.
3555 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3556 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3559 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3562 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3563 nested binding iff it is a FUNCTION_DECL.
3564 (store_parm_decls_newstyle): Pass nested=true to bind for
3565 FUNCTION_DECLs amongst parameters.
3567 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3569 * var-tracking.c (vt_expand_loc_callback): Don't run
3570 cselib_expand_value_rtx_cb in dummy mode if
3571 cselib_dummy_expand_value_rtx_cb returned false.
3573 * var-tracking.c (emit_note_insn_var_location): For one part
3574 notes with offset 0, don't add EXPR_LIST around the location.
3575 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3576 add_location_or_const_value_attribute): Adjust for that change.
3579 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3580 into first operand and location into second.
3581 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3582 dw_cfi_oprnd_loc for DW_CFA_expression.
3583 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3584 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3585 assume first argument is regnum and second argument is location.
3587 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3590 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3591 of scratch register to DImode. Split to DImode comparison operator.
3592 Use SImode subreg of scratch register in the multiplication.
3593 (*cmp_sadd_sidi): Ditto.
3594 (*cmp_ssub_si): Ditto.
3595 (*cmp_ssub_sidi): Ditto.
3597 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3600 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3601 Remove invalid assert and wrong comment.
3603 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3606 * flags.h (final_insns_dump_p): New extern.
3607 * final.c (final_insns_dump_p): New variable.
3608 (rest_of_clean_state): Set it before -fdump-final-insns=
3609 dumping, clear afterwards.
3610 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3611 MEM_ALIAS_SET on MEMs.
3613 2010-03-26 David S. Miller <davem@davemloft.net>
3615 * configure.ac: Fix sparc GOTDATA_OP bug check.
3616 * configure: Rebuild.
3618 2010-03-26 Alan Modra <amodra@gmail.com>
3620 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3622 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3624 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3625 TLS_SECTION_ASM_FLAG.
3627 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3630 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3631 Clear first_function_block_is_cold.
3634 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3635 argument if the argument is truth_value_p.
3637 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3639 * config/rs6000/constraints.md: Update copyright year for my changes.
3642 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3643 used in reg+reg addressing, swap registers.
3645 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3648 * target.h (struct gcc_target): Add code_end hook.
3649 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3651 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3652 * toplev.c (compile_file): Call targetm.asm_out.code_end
3653 hook before unwind info/debug info output.
3654 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3655 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3656 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3657 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3658 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3659 * config/i386/i386.c (ix86_file_end): Renamed to...
3660 (ix86_code_end): ... this. Make static. Don't call
3661 file_end_indicate_exec_stack. Emit unwind info using
3662 final_start_function/final_end_function.
3663 (darwin_x86_file_end): Remove.
3664 (TARGET_ASM_CODE_END): Define.
3665 * config/i386/i386.h (TARGET_ASM_FILE_END,
3666 NEED_INDICATE_EXEC_STACK): Don't define.
3667 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3668 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3669 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3670 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3673 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3674 at the beginning and final_end_function at the end.
3675 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3677 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3679 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3680 and Sun as TLS syntax.
3681 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3682 * configure: Regenerate.
3683 * config.in: Regenerate.
3684 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3685 (default_elf_asm_named_section): Use it.
3686 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3687 (i386_output_dwarf_dtprel): Likewise.
3688 (output_addr_const_extra): Likewise.
3689 (output_pic_addr_const): Lowercase @GOTTPOFF.
3690 (output_addr_const_extra): Likewise.
3691 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3692 (output_addr_const_extra): Likewise.
3693 (output_pic_addr_const): Lowercase @INDNTPOFF.
3694 (output_addr_const_extra): Likewise.
3695 (output_pic_addr_const): Lowercase @NTPOFF.
3696 (output_addr_const_extra): Likewise.
3697 (output_pic_addr_const): Lowercase @TPOFF.
3698 (output_addr_const_extra): Likewise.
3699 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3700 (*tls_global_dynamic_64): Likewise.
3701 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3702 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3704 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3705 (ASM_OUTPUT_TLS_COMMON): Use it.
3706 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3709 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3710 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3711 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3712 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3713 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3714 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3716 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3718 * config/i386/i386.c (override_options): Don't accept
3719 -mtls-dialect=sun any longer.
3720 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3721 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3722 (*tls_local_dynamic_base_32_sun): Likewise.
3723 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3725 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3728 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3729 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3732 * ira.c (adjust_cleared_regs): New function.
3733 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3737 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3739 * expr.c (expand_expr_real): Restore previous
3740 curr_insn_source_location and curr_insn_block after
3741 expand_expr_real_1 call.
3742 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3743 instead of expand_expr_real_1.
3745 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3747 PR rtl-optimization/43413
3748 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3751 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3754 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3755 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3757 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3759 * config/i386/i386.c (ix86_target_string): Add -mfma.
3760 Fix a typo in comment.
3762 2010-03-22 Mike Stump <mikestump@comcast.net>
3765 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3766 Don't overly align based upon packed packed fields.
3768 2010-03-22 Jason Merrill <jason@redhat.com>
3770 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3771 Use () rather than [], and move before the element type.
3773 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3775 * doc/configfiles.texi (Configuration Files): Removed
3776 fixinc/Makefile*, intl/Makefile.*.
3777 * doc/makefile.texi: Fixed markup. Abstract from version
3778 control system used.
3779 (Makefile): Removed obsolete gcc/java/parse.y example.
3780 * doc/sourcebuild.texi: Likewise.
3781 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3782 libgomp, libssp. Removed fastjar.
3783 (Miscellaneous Docs): Clarify location.
3784 Added COPYING3, COPYING3.LIB.
3785 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3787 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3790 * config/i386/i386.c (x86_function_profiler)
3791 [!NO_PROFILE_COUNTERS]: Fix typo.
3792 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3795 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3796 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3798 * doc/sourcebuild.texi (Test Directives): Split into six
3799 subsections, with most of the current text in new subsections
3800 Directives, Selectors, and Final Actions.
3801 (Directives): Split list of test directives into multiple
3803 (Selectors): Describe use and syntax of selectors.
3804 (Effective-Target Keywords): Describe all existing keywords.
3805 (Add Options): Describe features for dg-add-options.
3806 (Require Support): Describe variants of dg-require-support.
3807 (Final Actions): Describe commands to use in dg-final.
3809 2010-03-22 Michael Matz <matz@suse.de>
3812 * recog.c (validate_replace_rtx_group): Replace also in
3813 REG_EQUAL and REG_EQUIV notes.
3815 2010-03-22 Richard Guenther <rguenther@suse.de>
3817 PR tree-optimization/43390
3818 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3819 sure vector extracts are type correct.
3821 2010-03-22 Richard Guenther <rguenther@suse.de>
3824 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3825 x * sqrt (x) even when optimizing for size if the target
3826 has native support for sqrt.
3828 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3830 * varasm.c (make_decl_rtl_for_debug): Also clear
3831 flag_mudflap for the duration of make_decl_rtl call.
3834 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3835 locs from preserved VALUEs.
3837 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3840 * pa.md (movmemsi): Set align to one if zero.
3841 (movmemdi): Likewise.
3843 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3846 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3847 with their corresponding prologue pushes.
3849 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3852 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3853 at the begining or end.
3854 (spu_expand_epilogue): Likewise.
3856 2010-03-20 Richard Guenther <rguenther@suse.de>
3858 PR rtl-optimization/43438
3859 * combine.c (make_extraction): Properly zero-/sign-extend an
3860 extraction of the low part of a CONST_INT. Also handle
3863 2010-03-19 Mike Stump <mikestump@comcast.net>
3865 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3866 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3867 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3869 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3872 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3875 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3877 PR rtl-optimization/42258
3878 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3879 use that may match DEF.
3882 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3883 the cost of loading the constant rather than assuming
3885 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3886 outer code is AND, do the same tests as the andsi3 expander and
3887 return COSTS_N_INSNS (1) if and is cheap.
3889 * optabs.c (avoid_expensive_constant): Fix formatting.
3891 2010-03-19 Michael Matz <matz@suse.de>
3894 * attribs.c (decl_attributes): When rebuilding a function pointer
3895 type use the same qualifiers as the original pointer type.
3897 2010-03-19 Martin Jambor <mjambor@suse.cz>
3899 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3900 and is_gimple_ip_invariant_address.
3902 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3905 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3907 * config/arm/arm.c (arm_override_options): Turn off
3908 flag_dwarf2_cfi_asm for AAPCS variants.
3910 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3913 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3914 Use PRE_MODIFY instead of PRE_DEC.
3915 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3916 (vfp_emit_fstmd): Likewise.
3918 2010-03-19 Michael Matz <matz@suse.de>
3921 * builtins.c (expand_builtin_interclass_mathfn,
3922 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3925 2010-03-19 Richard Guenther <rguenther@suse.de>
3927 PR tree-optimization/43415
3928 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3929 (phi_translate_1): ... this.
3930 (phi_translate): Move all caching here. Cache all NARY
3931 and REFERENCE translations.
3933 2010-03-19 David S. Miller <davem@davemloft.net>
3935 With help from Eric Botcazou.
3936 * config/sparc/sparc.c: Include dwarf2out.h.
3937 (emit_pic_helper): Delete.
3938 (pic_helper_symbol_name): Delete.
3939 (pic_helper_emitted_p): Delete.
3940 (pic_helper_needed): New.
3941 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3942 (get_pc_thunk_name): New.
3943 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3944 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3945 Set pic_helper_needed to true. Don't call emit_pic_helper.
3946 (sparc_expand_prologue): Update load_pic_register call.
3947 (sparc_output_mi_thunk): Likewise.
3948 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3949 thunk if possible. Output CFI information as needed.
3951 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3952 Jack Howarth <howarth@bromo.med.uc.edu>
3955 * config/i386/i386.h: Fix ABI on darwin x86-32.
3957 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3959 * tree.h: Declare make_decl_rtl_for_debug.
3960 * varasm.c (make_decl_rtl_for_debug): New.
3961 * dwarf2out.c (rtl_for_decl_location): Call it.
3962 * cfgexpand.c (expand_debug_expr): Call it.
3964 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3967 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3971 * var-tracking.c (vt_init_cfa_base): Do nothing if
3972 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3974 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3977 * var-tracking.c (canonicalize_vars_star): New.
3978 (dataflow_post_merge_adjust): Use it.
3980 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3983 * var-tracking.c (non_suitable_const): New function.
3984 (add_uses): For DEBUG_INSNs with constants, don't record any
3985 value, instead just the constant value itself.
3986 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3987 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3988 (emit_notes_in_bb): Likewise.
3989 (emit_note_insn_var_location): For onepart variables if
3990 cur_loc is a VOIDmode constant, use DECL_MODE.
3992 2010-03-18 Martin Jambor <mjambor@suse.cz>
3995 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3996 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3997 all non-clones. Moved call redirection...
3998 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3999 (cgraph_materialize_all_clones): Dispose of all
4000 combined_args_to_skip bitmaps.
4001 (verify_cgraph_node): Do not check for edges pointing to wrong
4002 nodes in inline clones.
4003 * tree-inline.c (copy_bb): Call
4004 cgraph_redirect_edge_call_stmt_to_callee.
4005 * ipa.c (cgraph_remove_unreachable_nodes): Call
4006 cgraph_node_remove_callees even when there are used clones.
4008 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4010 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4012 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4015 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4018 2010-03-18 Michael Matz <matz@suse.de>
4021 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4022 into sqrt(x) if we need to preserve signed zeros.
4024 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4025 Eric Botcazou <ebotcazou@adacore.com>
4027 PR rtl-optimization/43360
4028 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4029 note if we don't know its invariant status.
4031 2010-03-18 Michael Matz <matz@suse.de>
4033 PR tree-optimization/43402
4034 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4035 PHI chains of ssa names registered for update.
4037 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4040 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4041 non-offsettable and pre_modify update addressing.
4042 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4043 and "2" alternatives "#".
4044 (*movdd_softfloat32): Make all alternatives "#";
4045 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4046 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4047 (*movdf_softfloat32): Make all alternatives "#";
4048 (movdi): Use the new DIFD mode iterator to create a common splitter
4049 for movdi, movdf and movdd patterns.
4051 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4053 * common.opt (dumpdir): Remove redundant tab.
4055 2010-03-17 Martin Jambor <mjambor@suse.cz>
4057 PR tree-optimization/43347
4058 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4059 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4061 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4063 PR rtl-optimization/42216
4064 * regrename.c (create_new_chain): New function, broken out from...
4065 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4066 appending a use to an empty chain.
4067 (build_def_use): Remove previous changes that convert OP_INOUT to
4068 OP_OUT operands; instead detect the case where an OP_INOUT operand
4069 uses a previously untracked register and create an empty chain for it.
4071 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4073 * doc/extend.texi (Function Attributes): Rewrite unfinished
4074 sentence in ms_abi documentation.
4076 2010-03-17 Alan Modra <amodra@gmail.com>
4078 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4079 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4080 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4081 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4083 2010-03-16 Richard Henderson <rth@redhat.com>
4086 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4087 (lower_try_finally): Save and restore eh_seq around the expansion
4090 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4092 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4093 statements before splitting block.
4095 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4097 * doc/sourcebuild.texi (Testsuites): Fix markup.
4098 Use pathnames relative to gcc/testsuite.
4099 (Test Directives): Move description of how timeout is determined.
4100 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4101 (C Tests): Correct gcc.misc-tests directory.
4102 Framework tests now live in gcc.test-framework.
4104 2010-03-16 Richard Guenther <rguenther@suse.de>
4107 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4108 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4110 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4111 Alexandre Oliva <aoliva@redhat.com>
4113 PR tree-optimization/42917
4114 * lambda-code.c (remove_iv): Skip debug statements.
4115 (lambda_loopnest_to_gcc_loopnest): Likewise.
4116 (not_interesting_stmt): Debug statements are not interesting.
4118 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4122 * cselib.c (cselib_preserve_constants,
4123 cfa_base_preserved_val): New static variables.
4124 (preserve_only_constants): New function.
4125 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4126 clear its REG_VALUES. If cselib_preserve_constants, don't
4127 empty the whole hash table, but preserve there VALUEs with constants,
4128 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4129 (cselib_preserve_cfa_base_value): New function.
4130 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4131 (cselib_init): Change argument to int bitfield. Set
4132 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4134 (cselib_finish): Clear cselib_preserve_constants and
4135 cfa_base_preserved_val.
4136 * cselib.h (enum cselib_record_what): New enum.
4137 (cselib_init): Change argument to int.
4138 (cselib_preserve_cfa_base_value): New prototype.
4139 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4140 * dse.c (dse_step1): Likewise.
4141 * cfgcleanup.c (thread_jump): Likewise.
4142 * sched-deps.c (sched_analyze): Likewise.
4143 * gcse.c (local_cprop_pass): Likewise.
4144 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4145 If FN is non-NULL, call the callback always and whenever it returns
4146 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4147 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4148 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4149 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4150 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4151 * var-tracking.c: Include recog.h.
4152 (bb_stack_adjust_offset): Remove.
4153 (vt_stack_adjustments): Don't call it, instead just gather the
4154 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4155 (adjust_stack_reference): Remove.
4156 (compute_cfa_pointer): New function.
4157 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4158 (struct adjust_mem_data): New type.
4159 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4161 (get_address_mode): New function.
4162 (replace_expr_with_values): Use it.
4163 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4164 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4165 (adjust_sets): Remove.
4166 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4167 Use get_address_mode.
4168 (get_adjusted_src): Remove.
4169 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4170 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4171 (add_with_sets): Don't call adjust_sets.
4172 (fp_setter, vt_init_cfa_base): New functions.
4173 (vt_initialize): Change return type to bool. Move most of pool etc.
4174 initialization to the beginning of the function from end. Pass
4175 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4176 If !frame_pointer_needed, call vt_stack_adjustment before mos
4177 vector is filled, call vt_init_cfa_base if argp/framep has been
4178 eliminated to sp. If frame_pointer_needed and argp/framep has
4179 been eliminated to hard frame pointer, set
4180 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4181 encountering fp setter in the prologue. For MO_ADJUST, call
4182 log_op_type before pusing the op into mos vector, not afterwards.
4183 Call adjust_insn before cselib_process_insn/add_with_sets,
4184 call cancel_changes (0) afterwards.
4185 (variable_tracking_main_1): Adjust for vt_initialize calling
4186 vt_stack_adjustments and returning whether it succeeded or not.
4188 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4190 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4193 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4195 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4197 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4198 drap_reg has not been set.
4200 2010-03-15 Michael Matz <matz@suse.de>
4203 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4204 use it to expand block copies.
4205 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4206 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4207 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4209 2010-03-15 Richard Guenther <rguenther@suse.de>
4211 PR tree-optimization/43367
4212 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4215 2010-03-15 Richard Guenther <rguenther@suse.de>
4217 PR tree-optimization/43317
4218 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4220 2010-03-15 Martin Jambor <mjambor@suse.cz>
4222 PR tree-optimization/43141
4223 * tree-sra.c (create_abstract_origin): New function.
4224 (modify_function): Call create_abstract_origin.
4226 2010-03-15 Chris Demetriou <cgd@google.com>
4228 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4231 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4234 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4235 call insert_out_of_ssa_copy for default definitions.
4237 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4239 * graphite-clast-to-gimple.c (my_long_long): Defined.
4240 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4241 * graphite-sese-to-poly.c (my_long_long): Defined.
4242 (scop_ivs_can_be_represented): Use it.
4244 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4246 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4247 graphite-max-bbs-per-function, and loop-block-tile-size.
4248 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4250 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4252 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4254 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4255 forward declaration.
4256 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4257 (add_upper_bounds_from_estimated_nit): New.
4258 (build_loop_iteration_domains): Use it.
4260 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4262 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4264 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4267 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4268 should be an INTEGER_CST. Also handle CASE_CONVERT.
4270 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4272 * graphite.c (graphite_initialize): To bound the number of bbs per
4273 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4274 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4275 * doc/invoke.texi: Document it.
4277 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4279 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4280 * graphite-sese-to-poly.h (build_poly_scop): Same.
4282 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4284 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4285 the number of parameters in the scop. Use as an upper bound
4286 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4287 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4288 * doc/invoke.texi: Document it.
4290 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4292 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4293 * doc/c-tree.texi: Remove.
4294 * doc/generic.texi: Merge c-tree.texi here.
4295 * doc/gccint.texi (Trees): Remove menu entry.
4296 (c-tree.texi): Remove @include.
4297 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4298 * doc/languages.texi (Reading RTL): Ditto.
4300 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4303 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4305 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4308 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4309 code added to work around reload clobbering CONST insns.
4311 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4313 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4314 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4315 (cselib_preserve_only_values): Remove retain argument, don't
4316 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4317 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4318 * var-tracking.c (micro_operation): Move insn field before union.
4319 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4320 (struct variable_tracking_info_def): Remove n_mos field, change
4321 mos into a vector of micro_operations.
4322 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4323 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4324 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4325 changing into a vector.
4326 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4327 come before all other uops generated by add_stores.
4328 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4330 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4331 a vector. Run just one pass over the bbs instead of separate counting
4332 and computation phase.
4333 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4336 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4337 into *nonlocalized_list vector.
4338 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4339 even if origin is non-NULL.
4340 (gen_variable_die): Likewise.
4341 (process_scope_var): Don't change origin.
4342 (gen_decl_die): Likewise.
4343 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4344 before adding new edges instead of after it, fix moving over
4347 2010-03-11 David S. Miller <davem@davemloft.net>
4349 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4351 * configure: Rebuild.
4353 2010-03-11 Martin Jambor <mjambor@suse.cz>
4355 PR tree-optimization/43257
4356 * tree.c (assign_assembler_name_if_neeeded): New function.
4357 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4359 * tree.h (assign_assembler_name_if_neeeded): Declare.
4360 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4361 the function if needed.
4363 2010-03-11 Chris Demetriou <cgd@google.com>
4365 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4366 include/stdint-gcc.h, and include/stdint.h world-readable.
4368 2010-03-11 Richard Guenther <rguenther@suse.de>
4370 PR tree-optimization/43255
4371 * tree-vrp.c (process_assert_insertions_for): Do not insert
4372 asserts for trivial conditions.
4374 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4376 PR tree-optimization/43280
4377 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4378 generation. Move calculation of size out of the if branch.
4379 (find_bswap): Modify compare number generation.
4381 2010-03-11 Richard Guenther <rguenther@suse.de>
4384 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4385 (input_gimple_stmt): Fixup handled component types during
4386 operand read. Also fix up decls in ADDR_EXPRs.
4388 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4390 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4391 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4393 2010-03-10 Jan Hubicka <jh@suse.cz>
4396 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4397 * varasm.c (get_variable_section): Don't do that here...
4398 (make_decl_rtl): ... and here.
4399 (do_assemble_alias): Produce decl RTL.
4400 (assemble_alias): Likewise.
4402 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4405 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4406 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4408 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4409 (based_loc_descr): Only express drap or vdrap regno based expressions
4410 using DW_OP_fbreg when not optimizing.
4411 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4412 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4413 REG_CFA_SET_VDRAP note.
4415 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4417 PR tree-optimization/43236
4418 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4419 error in calculation of base address in reverse iteration case.
4420 (generate_builtin): Take number of latch executions if the statement
4423 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4426 * tree-eh.c: Include pointer-set.h.
4427 (lower_eh_dispatch): Filter out duplicate case labels and
4428 remove the unneeded edge when the label is unused. Return
4429 true when some edges are removed.
4430 (execute_lower_eh_dispatch): When any lowering resulted in
4431 removing an edge, also delete unreachable blocks.
4433 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4436 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4437 UNSPEC_MACHOPIC_OFFSET.
4439 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4442 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4443 (m68k_delegitimize_address): New function.
4445 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4448 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4451 * var-tracking.c (adjust_sets): New function.
4452 (count_with_sets, add_with_sets): Use it.
4453 (get_adjusted_src): New inline function.
4454 (add_stores): Use it.
4457 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4458 call cselib_dummy_expand_value_rtx_cb instead of
4459 cselib_expand_value_rtx_cb.
4462 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4463 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4464 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4465 and .cfi_endproc around the pic thunks.
4466 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4467 all queued unwind info register saves are saved before the call.
4468 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4469 considered as sp-=4 for unwind info and the pop as sp+=4 which
4470 also clobbers dest, but doesn't actually restore it.
4473 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4474 RTX_FRAME_RELATED_P.
4476 2010-03-09 Jie Zhang <jie@codesourcery.com>
4478 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4479 whitespaces in output template.
4481 2010-03-09 Jie Zhang <jie@codesourcery.com>
4483 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4486 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4488 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4489 builtins.exp in a separate job.
4491 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4493 * graphite-sese-to-poly.c (add_param_constraints): Use
4494 lower_bound_in_type and upper_bound_in_type.
4496 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4498 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4499 instead of unsigned_type_node.
4501 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4502 Reza Yazdani <reza.yazdani@amd.com>
4505 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4506 on pointer type parameters.
4508 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4512 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4513 handle conversions from pointer to integers.
4514 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4515 induction variable, to be able to work with code generated by CLooG.
4516 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4517 (build_poly_scop): Bail out if we cannot codegen a loop.
4519 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4521 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4522 code generation with gloog_error.
4524 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4526 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4527 Call fold_convert on all the returned values.
4528 (expand_scalar_variables_expr): Pass to
4529 expand_scalar_variables_ssa_name the type of the resulting expression.
4531 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4533 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4534 ppl_min_for_le_pointset.
4535 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4536 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4538 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4540 * graphite-dependences.c (map_into_dep_poly): Removed.
4541 (dependence_polyhedron_1): Use combine_context_id_scat.
4543 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4545 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4546 (struct poly_bb): Same.
4547 (combine_context_id_scat): New.
4549 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4552 * sese.c (name_defined_in_loop_p): Return false for default
4555 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4557 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4558 and clean up the logic.
4560 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4562 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4565 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4567 * var-tracking.c (remove_cselib_value_chains): Define only for
4569 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4570 delete_slot_part, emit_notes_for_differences_1): Don't call
4571 remove_cselib_value_chains here.
4572 (set_slot_part, emit_notes_for_differences_2): Don't call
4573 add_cselib_value_chains here.
4574 (preserved_values): New vector.
4575 (preserve_value): New function.
4576 (add_uses, add_stores, vt_add_function_parameters): Use it
4577 instead of cselib_preserve_value.
4578 (changed_values_stack): New vector.
4579 (check_changed_vars_0): New function.
4580 (check_changed_vars_1, check_changed_vars_2): Use it.
4581 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4582 changed_values_stack VALUEs.
4583 (vt_emit_notes): For all preserved_values call
4584 add_cselib_value_chains. If ENABLE_CHECKING call
4585 remove_cselib_value_chains before verifying value_chains is empty.
4586 Initialize and free changed_values_stack.
4587 (vt_initialize): Initialize preserved_values.
4588 (vt_finalize): Free preserved_values.
4590 2010-03-08 Richard Guenther <rguenther@suse.de>
4592 PR tree-optimization/43269
4593 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4596 2010-03-08 Martin Jambor <mjambor@suse.cz>
4598 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4599 (ipa_is_param_called): Removed.
4600 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4601 (ipa_print_node_params): Do not print the called flag.
4602 (ipa_write_node_info): Do not stream the called flag.
4603 (ipa_read_node_info): Likewise.
4605 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4608 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4609 * cselib.c (struct expand_value_data): Add dummy field.
4610 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4612 (cselib_dummy_expand_value_rtx_cb): New function.
4613 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4615 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4616 * var-tracking.c: Include pointer-set.h.
4617 (variable): Change n_var_parts to char from int. Add
4618 cur_loc_changed and in_changed_variables fields.
4619 (variable_canonicalize): Remove.
4620 (shared_var_p): New inline function.
4621 (unshare_variable): Maintain cur_loc_changed and
4622 in_changed_variables fields. If var was in changed_variables,
4623 replace it there with new_var. Just copy cur_loc instead of
4624 resetting it to something else.
4625 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4626 (dataflow_set_union): Don't call variable_canonicalize.
4627 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4628 of their DEBUG_EXPR_TREE_DECLs.
4629 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4630 and in_changed_variables and cur_loc_changed is false.
4631 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4632 and cur_loc_changed. Don't update cur_loc here.
4633 (variable_merge_over_src): Don't call variable_canonicalize.
4634 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4635 removing loc that is equal to cur_loc, clear cur_loc,
4636 set cur_loc_changed and ensure variable_was_changed is called.
4637 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4638 compare pointers in cur_loc check, if it is equal to loc,
4639 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4640 (variable_different_p): Remove compare_current_location argument,
4641 don't compare cur_loc.
4642 (dataflow_set_different_1): Adjust variable_different_p caller.
4643 (variable_was_changed): If dv had some var in changed_variables
4644 already, reset in_changed_variables flag for it and propagate
4645 cur_loc_changed over to the new variable. On empty var
4646 always set cur_loc_changed. Set in_changed_variables on whatever
4647 var is added to changed_variables.
4648 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4649 Use shared_var_p. When removing loc that is equal to cur_loc,
4650 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4651 end, don't set it to something else, just call variable_was_changed.
4652 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4653 loc being removed, clear cur_loc and set cur_loc_changed.
4654 Set cur_loc_changed if all locations have been removed.
4655 (struct expand_loc_callback_data): New type.
4656 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4657 allocated. Always create SUBREGs if simplify_subreg failed.
4658 Prefer to use cur_loc, when that fails and still in
4659 changed_variables (and seen first time) recompute it. Set
4660 cur_loc_changed of variables which had to change cur_loc and
4661 compute elcd->cur_loc_changed if any of the subexpressions used
4662 had to change cur_loc.
4663 (vt_expand_loc): Adjust to pass arguments in
4664 expand_loc_callback_data structure.
4665 (vt_expand_loc_dummy): New function.
4666 (emitted_notes): New variable.
4667 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4668 that weren't used for any other decl in current
4669 emit_notes_for_changes call call vt_expand_loc_dummy to update
4670 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4671 first loc_chain location if NULL before. Always use just
4672 cur_loc instead of first loc_chain location. When cur_loc_changed
4673 is false, when not --enable-checking=rtl just don't emit any note.
4674 When rtl checking, compute the note and assert it is the same
4675 as previous note. Clear cur_loc_changed and in_changed_variables
4676 at the end before removing from changed_variables.
4677 (check_changed_vars_3): New function.
4678 (emit_notes_for_changes): Traverse changed_vars to call
4679 check_changed_vars_3 on each changed var.
4680 (emit_notes_for_differences_1): Clear cur_loc_changed and
4681 in_changed_variables. Recompute cur_loc of new_var.
4682 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4683 (vt_emit_notes): Initialize and destroy emitted_notes.
4685 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4687 PR rtl-optimization/42220
4688 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4689 Use verify_reg_tracked to determine if we should use OP_OUT rather
4691 (build_def_use): If we see an in-out operand for a register that we
4692 know nothing about, treat is an output if possible, fail the block if
4695 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4698 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4701 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4704 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4705 uses of relevant DEFs that are dead outside the loop too.
4707 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4709 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4711 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4713 * var-tracking.c (values_to_unmark): New variable.
4714 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4715 values_to_unmark vector. Moved body to...
4716 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4717 instead queue it into values_to_unmark vector.
4718 (vt_find_locations): Free values_to_unmark vector.
4720 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4722 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4723 (site.exp): Export them when plugins are enabled.
4725 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4728 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4730 (chrec_fold_multiply): Same.
4732 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4735 * c-decl.c (build_compound_literal): Return early if init is
4738 2010-03-04 Martin Jambor <mjambor@suse.cz>
4740 PR tree-optimization/43164
4741 PR tree-optimization/43191
4742 * tree-sra.c (type_consists_of_records_p): Reject records with
4743 zero-size bit-fields at the end.
4745 2010-03-04 Mike Stump <mikestump@comcast.net>
4747 * Makefile.in (TAGS): Remove *.y.
4749 2010-03-04 Richard Guenther <rguenther@suse.de>
4751 PR tree-optimization/40761
4752 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4754 (my_rev_post_order_compute): New function.
4755 (init_pre): Call it.
4757 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4760 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4761 decrease the cost of an IV candidate when the cost is infinite.
4763 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4765 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4766 Use '3DNow!' for the extension of that name, ensure normal space
4768 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4770 2010-03-03 Jeff Law <law@redhat.com>
4772 * PR middle-end/32693
4773 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4774 than gen_rtx_SUBREG.
4775 (extract_bit_field_1): Likewise.
4777 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4779 * doc/sourcebuild.texi (Test directives): Document that arguments
4780 include-opts and exclude-opts are now optional for dg-skip-if,
4781 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4783 2010-03-03 Jason Merrill <jason@redhat.com>
4786 * cgraph.h (varpool_node): Add extra_name field.
4787 * varpool.c (varpool_extra_name_alias): New.
4788 (varpool_assemble_decl): Emit extra name aliases.
4789 (varpool_mark_needed_node): Look past an extra name alias.
4790 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4791 * lto-streamer-in.c (lto_input_tree): Read it.
4792 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4794 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4796 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4797 (sparc*-*-solaris2*): ...this.
4799 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4802 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4803 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4804 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4805 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4808 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4809 fallthrough to default handling, just with want_address 0 instead of 2.
4810 For single element lists, add_AT_loc directly, otherwise create an
4811 artificial variable DIE and stick location list to it.
4814 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4815 (VAL_EXPR_HAS_REVERSE): Define.
4816 (reverse_op): New function.
4817 (add_stores): For reversible operations add an extra MO_VAL_USE.
4819 2010-03-02 Jason Merrill <jason@redhat.com>
4821 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4823 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4825 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4826 (sparc64-*-linux*): Likewise.
4827 (sparc64-*-solaris2*): Include assembler files before linker ones.
4828 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4829 * config/sparc/gas.h: Delete.
4830 * config/sparc/sol2-64.h: Add copyright notice.
4831 * config/sparc/sol2-gas-bi.h: Likewise.
4832 * config/sparc/sol2-gld.h: Likewise.
4833 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4834 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4835 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4836 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4837 (sparc_elf_asm_named_section): Rename into...
4838 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4840 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4842 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4844 2010-03-02 Jeff Law <law@redhat.com>
4847 * reload1.c (rtx_p, substitute_stack): Declare.
4848 (substitute): Record addresses of changed rtxs.
4849 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4850 Restore the original rtx when complete.
4851 (reload): Free subsitute_stack when complete.
4853 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4855 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4856 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4858 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4859 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4860 Torture Tests): Change from subsection to section.
4862 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4863 Steven Bosscher <steven@gcc.gnu.org>
4865 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4868 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4871 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4872 the assignment from the new induction variable to the assignment
4873 of the value from the original loop PHI function.
4875 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4876 Daniel Jacobowitz <dan@codesourcery.com>
4878 * doc/sourcebuild.texi (Test directives): Clarify options to
4881 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4883 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4884 Disable cfi directives unless GCC and gas agree on using read-only
4885 .eh_frame sections for 64-bit.
4886 * configure: Regenerate.
4888 2010-03-01 Richard Guenther <rguenther@suse.de>
4890 PR tree-optimization/43220
4891 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4892 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4894 2010-03-01 Richard Guenther <rguenther@suse.de>
4895 Martin Jambor <mjambor@suse.cz>
4898 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4899 gimplified parameters.
4901 2010-03-01 Christian Bruel <christian.bruel@st.com>
4903 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4905 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4907 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4909 2010-03-01 Richard Guenther <rguenther@suse.de>
4912 * expr.c (expand_assignment): Use the alias-oracle to tell
4913 if the rhs aliases the result decl.
4915 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4918 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4919 to sol_gt_pch_get_address.
4920 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4921 64-bit, SPARC and x86.
4922 (sol_gt_pch_get_address): New function.
4924 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4926 * toplev.h (inform_n, error_n): Declare.
4927 * diagnostic.c (inform_n, error_n): New function.
4929 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4931 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4932 has no rtl yet when processing local_decls, queue it and recheck
4933 if deferred stack allocation hasn't assigned it rtl.
4935 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4937 * config/sh/sh.c (unspec_bbr_uid): New.
4938 (gen_block_redirect): Use it instead of INSN_UID.
4939 (gen_far_branch): Likewise.
4941 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4943 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4944 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4946 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4948 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4949 (Warning Options): -Wno-conversion-null is valid for
4950 Objective-C++ as well.
4951 * doc/tm.texi (Named Address Spaces): Likewise.
4952 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4953 * doc/tree-ssa.texi (Tree SSA): Likewise.
4955 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4958 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4959 by default. Don't set the default arch for
4960 i[34567]86-*-darwin*|x86_64-*-darwin*.
4962 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4965 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4966 default. Set the default 32bit/64bit archs with $with_arch
4967 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4969 2010-02-27 Richard Guenther <rguenther@suse.de>
4971 PR tree-optimization/43186
4972 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4973 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4974 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4975 unroller iterations.
4977 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4979 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4980 required and i[34567]86-*-* targets don't support 64bit ISA.
4982 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4985 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4988 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4990 * config.gcc: Set the default arch at least to Prescott for
4991 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4992 if SSE math is enabled.
4994 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4996 * diagnostic.c (diagnostic_initialize): Update.
4997 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4999 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5000 (diagnostic_inhibit_notes): New.
5001 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5003 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5006 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5007 * doc/standards.texi: Likewise.
5008 * doc/extend.texi: Likewise.
5009 * doc/trouble.texi: Likewise.
5010 * doc/cppopts.texi: Likewise.
5011 * doc/install.texi: Likewise.
5012 * c.opt (std=c90,std=gnu90): New options.
5013 * c-opts.c (c_common_handle_option): Handle them.
5015 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5018 * c-decl.c (undeclared_variable): Use an informative note.
5020 2010-02-26 Richard Guenther <rguenther@suse.de>
5022 PR tree-optimization/43186
5023 * gimple.h (gimple_fold): Remove.
5024 * gimple.c (gimple_fold): Remove. Inline into single user ...
5025 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5026 Try harder for conditions.
5028 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5031 * function.c (used_types_insert): Don't skip through named pointer
5032 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5033 and it is different from the main variant's type.
5035 2010-02-26 Nick Clifton <nickc@redhat.com>
5037 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5039 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5041 * config.gcc: Support --with-fpmath=sse for x86.
5043 * config/i386/ssemath.h: New.
5045 * doc/install.texi (--with-fpmath=sse): Documented.
5047 2010-02-26 Richard Guenther <rguenther@suse.de>
5049 PR tree-optimization/43188
5050 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5051 vector types of over-aligned element type.
5053 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5056 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5057 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5059 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5061 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5063 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5065 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5066 * var-tracking.c: Include diagnostic.h.
5067 (debug_dv): New function.
5068 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5071 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5072 (add_value_chain, add_value_chains, remove_value_chain,
5073 remove_value_chains): Handle DEBUG_EXPRs.
5074 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5077 * regcprop.c (struct queued_debug_insn_change): New type.
5078 (struct value_data_entry): Add debug_insn_changes field.
5079 (struct value_data): Add n_debug_insn_changes field.
5080 (debug_insn_changes_pool): New variable.
5081 (free_debug_insn_changes, apply_debug_insn_changes,
5082 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5083 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5084 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5086 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5088 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5089 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5090 changes, call cprop_find_used_regs via note_stores.
5091 (copyprop_hardreg_forward): When copying vd from predecessor
5092 which has any queued DEBUG_INSN changes, make sure the pointers are
5093 cleared. At the end call df_analyze and then if there are any
5094 DEBUG_INSN changes queued at the end of some basic block for still
5095 live registers, apply them.
5096 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5098 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5100 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5103 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5105 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5106 targets. Set the default with_cpu/with_arch from arch/cpu.
5107 Allow x86-64 and native for with_cpu/with_arch.
5109 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5111 * ebitmap.c: Change calls to verify_popcount with calls to
5112 sbitmap_verify_popcount.
5113 (ebitmap_clear_bit): Fixed map->cacheindex test and
5114 map>cache update when bit clearing results in an empty
5117 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5120 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5121 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5122 and support both V2DF and V2DI modes.
5123 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5124 support both V2DF and V2DI modes.
5125 (general): Delete trailing whitespace from a few patterns.
5127 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5128 V2DF/V2DI interleave high/low builtins.
5130 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5133 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5134 interleave high/low functions.
5136 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5138 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5139 #pragma extern_prefix.
5141 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5144 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5145 BLKmode, assert op0 is a MEM and just adjust its mode.
5148 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5149 if bitpos isn't multiple of mode's bitsize.
5151 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5153 * c.opt (-ftemplate-depth=): New.
5154 (-ftemplate-depth-): Deprecate.
5155 * optc-gen.awk: Handle -ftemplate-depth=.
5156 * opth-gen.awk: Likewise.
5157 * c-opts.c (c_common_handle_option): Likewise.
5158 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5160 2010-02-24 Jason Merrill <jason@redhat.com>
5162 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5164 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5166 * cfg.c (alloc_aux_for_block): Remove inline.
5167 (alloc_aux_for_edge): Likewise.
5169 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5171 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5173 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5175 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5176 * config/i386/sol2-gas.h: New file.
5177 * config.gcc (i[34567]86-*-solaris2*): Use it.
5179 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5182 * c-typeck.c (ep_convert_and_check): New.
5183 (build_conditional_expr): Use it.
5184 (build_binary_op): Likewise.
5186 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5188 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5191 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5192 bounds even for -O+.
5193 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5194 expr needs to have DECL_NAME set.
5196 2010-02-24 Nick Clifton <nickc@redhat.com>
5198 * config/mep/mep.c: Include gimple.h.
5199 (mep_function_uses_sp): Delete unused function.
5200 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5201 parameters. Use unsigned integers to count args. Return a
5202 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5204 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5207 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5208 greater or equal to nelt instead of 2 * nelt.
5209 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5212 2010-02-23 Jason Merrill <jason@redhat.com>
5215 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5216 in cfun->local_decls even if they have register types.
5219 * stor-layout.c (place_field): Don't warn about unnecessary
5220 DECL_PACKED if the type is packed.
5222 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5225 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5226 GOTOFF relocs, even when the base reg isn't pic pointer.
5228 2010-02-23 Michael Matz <matz@suse.de>
5231 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5232 (expand_gimple_basic_block): Generate and use debug temps if there
5233 are debug uses left after the last real use of TERed ssa names.
5234 Unlink debug immediate uses when they are expanded.
5236 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5239 * config/i386/i386.c (override_options): Reorganise to provide
5240 better error messages.
5242 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5245 * graphite-scop-detection.c (create_single_exit_edge): Move
5246 the call to find_single_exit_edge to....
5247 (create_sese_edges): ...here. Don't handle multiple edges
5248 exiting the function.
5249 (build_graphite_scops): Don't handle multiple edges
5250 exiting the function.
5252 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5255 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5256 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5258 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5261 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5263 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5266 * c-typeck.c (convert_arguments): Print declaration location.
5267 * c-common.c (validate_nargs): Rename as
5268 builtin_function_validate_nargs.
5269 (check_builtin_function_arguments): Update.
5271 2010-02-22 Richard Guenther <rguenther@suse.de>
5274 * tree-inline.c (declare_return_variable): Use the type of
5275 the call stmt lhs if available.
5277 2010-02-22 Duncan Sands <baldrick@free.fr>
5279 * passes.c (register_pass): Always consider all pass lists when
5280 ref_pass_instance_number is zero.
5282 2010-02-22 Richard Guenther <rguenther@suse.de>
5284 PR tree-optimization/42749
5285 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5286 parameter. Do arithmetic in the original type.
5287 (update_accumulator_with_ops): Likewise.
5288 (adjust_accumulator_values): Adjust.
5290 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5292 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5293 (QI to BLKmode splitter): New splitter.
5295 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5297 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5298 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5300 2010-02-22 Richard Guenther <rguenther@suse.de>
5302 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5304 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5306 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5307 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5308 ($(T)crti.o, $(T)crtn.o): Remove rules.
5310 2010-02-21 Tobias Burnus <burnus@net-b.de>
5313 * doc/invoke.texi (-fassociative-math): Document that this
5314 option is automatically enabled for Fortran.
5316 2010-02-20 David S. Miller <davem@davemloft.net>
5318 * configure.ac: Test if linker and assembler properly support
5319 GOTDATA_OP relocations.
5320 * configure: Rebuild.
5321 * config.in: Likewise.
5322 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5323 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5324 (movsi_high_pic): Likewise.
5325 (movdi_lo_sum_pic): Likewise.
5326 (movdi_high_pic): Likewise.
5327 (movsi_pic_gotdata_op): New pattern.
5328 (movdi_pic_gotdata_op): Likewise.
5329 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5330 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5332 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5335 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5336 attribute to ssemul.
5337 (xop_mulv2div2di3_high): Ditto.
5339 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5342 * c.opt (Wconversion-null): New option.
5343 * doc/invoke.texi (Wconversion-null): Document.
5345 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5347 * common.opt (Wlarger-than-): Add Undocumented.
5349 2010-02-19 Mike Stump <mikestump@comcast.net>
5351 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5353 2010-02-19 Jason Merrill <jason@redhat.com>
5356 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5357 * configure: Likewise.
5359 2010-02-20 Alan Modra <amodra@gmail.com>
5362 * cgraph.h (cgraph_make_decl_local): Declare.
5363 * cgraph.c (cgraph_make_decl_local): New function.
5364 (cgraph_make_node_local): Use it.
5365 * cgraphunit.c (cgraph_function_versioning): Likewise.
5366 * ipa.c (function_and_variable_visibility): Likewise.
5368 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5371 * except.c (sjlj_emit_function_enter): Don't call
5372 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5374 * rtl.h (add_reg_br_prob_note): Remove prototype.
5376 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5379 * c-common.c (conversion_warning): Remove widening conversions
5380 before checking the conversion of integers to reals.
5382 2010-02-19 Mike Stump <mikestump@comcast.net>
5385 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5388 * cgraphunit.c (process_function_and_variable_attributes): Check
5389 DECL_PRESERVE_P instead of looking up attribute "used".
5390 * ipa-pure-const.c (check_decl): Likewise.
5391 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5392 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5393 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5394 instead of attribute "used".
5395 * config/sol2-c.c (solaris_pragma_init): Likewise.
5396 (solaris_pragma_fini): Likewise.
5398 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5400 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5401 Use XCNEW instead of xcalloc.
5402 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5403 XNEW instead of xmalloc.
5404 (get_fields): Use XNEWVEC instead of xmalloc.
5407 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5408 populate vars array.
5409 (create_new_general_access): For debug stmts just reset value.
5410 (get_stmt_accesses): For accesses within debug stmts just record them
5411 using add_access_to_acc_sites instead of preventing the peeling or
5412 counting them as accesses.
5415 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5417 2010-02-19 Richard Guenther <rguenther@suse.de>
5419 PR tree-optimization/42916
5420 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5423 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5425 * configure.ac: Replace all uses of changequote in macro arguments
5426 with proper quoting.
5428 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5431 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5433 2010-02-19 Richard Guenther <rguenther@suse.de>
5435 PR tree-optimization/42944
5436 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5437 test for aliasing with errno.
5439 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5442 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5443 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5444 * dojump.c: Include output.h.
5445 (inv): New inline function.
5446 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5447 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5448 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5449 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5450 argument, pass it down to other calls.
5451 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5452 add REG_BR_PROB note to the conditional jump.
5453 * cfgexpand.c (add_reg_br_prob_note): Removed.
5454 (expand_gimple_cond): Don't call it, add the probability
5455 as last argument to jumpif_1/jumpifnot_1.
5456 * Makefile.in (dojump.o): Depend on output.h.
5457 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5459 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5460 * stmt.c (do_jump_if_equal): Likewise.
5461 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5462 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5463 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5465 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5466 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5467 jumpifnot_1 callers.
5468 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5470 (store_expr): Adjust jumpifnot caller.
5471 (store_constructor): Adjust jumpif caller.
5474 * gimplify.c (gimple_boolify): For __builtin_expect call
5475 gimple_boolify also on its first argument.
5477 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5479 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5481 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5482 * configure: Regenerated.
5484 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5486 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5487 lang_hooks.types_compatible_p instead of comptypes.
5489 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5491 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5492 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5493 if __prefer_thumb__ is defined.
5495 2010-02-18 Martin Jambor <mjambor@suse.cz>
5497 PR tree-optimization/43066
5498 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5499 array with zero-sized element type.
5501 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5503 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5504 rtx, allocate struct var_loc_node here and return it to the
5505 caller, and only if it is actually needed.
5506 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5507 move it earlier and return immediately if it returns NULL.
5509 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5511 * config/sparc/gas.h: New file. Restore
5512 TARGET_ASM_NAMED_SECTION to its ELF default.
5513 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5515 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5516 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5517 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5518 after sparc/sysv4.h.
5520 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5522 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5524 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5526 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5527 patterns from predicated pattern.
5529 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5532 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5533 for insn mnemonic suffix.
5535 2010-02-17 Richard Guenther <rguenther@suse.de>
5537 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5540 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5543 * caller-save.c (save_call_clobbered_regs): If BB ends with
5544 a DEBUG_INSN, move any notes in between last real insn and the last
5545 DEBUG_INSN after the last DEBUG_INSN.
5547 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5549 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5550 Fix return type. Fix argument type. Explain meaning of return value.
5552 2010-02-16 Richard Guenther <rguenther@suse.de>
5554 PR tree-optimization/41043
5555 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5556 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5558 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5560 2010-02-16 Ira Rosen <irar@il.ibm.com>
5562 PR tree-optimization/43074
5563 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5564 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5565 vectorizable cycles in hybrid SLP check.
5566 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5568 2010-02-16 Richard Guenther <rguenther@suse.de>
5570 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5571 (true_dependence): If memrefs_conflict_p computes must-alias
5572 trust it. Move TBAA check after offset-based disambiguation.
5573 (canon_true_dependence): Likewise.
5575 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5577 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5578 * doc/invoke.texi: Document it.
5579 * var-tracking.c: Include toplev.h and params.h.
5580 (vt_find_locations): Return bool indicating success. Compute
5581 hash sizes unconditionally. Check new parameter, report.
5582 (variable_tracking_main_1): Check vt_find_locations results and
5583 retry. Renamed from...
5584 (variable_tracking_main): ... this. New wrapper to preserve
5585 flag_var_tracking_assignments.
5586 * Makefile.in (var-tracking.o): Adjust dependencies.
5588 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5589 Jakub Jelinek <jakub@redhat.com>
5592 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5593 if weak_import attribute is present.
5594 * config/darwin.c (machopic_select_section): Likewise.
5596 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5598 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5599 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5600 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5601 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5603 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5606 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5609 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5610 Rewrite text to refer to the names.
5612 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5614 * config/i386/i386-builtin-types.def
5615 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5616 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5617 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5618 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5619 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5620 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5621 IX86_BUILTIN_VPERMIL2PS256.
5622 (MULTI_ARG_4_DF2_DI_I): Defined.
5623 (MULTI_ARG_4_DF2_DI_I1): Defined.
5624 (MULTI_ARG_4_SF2_SI_I): Defined.
5625 (MULTI_ARG_4_SF2_SI_I1): Defined.
5626 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5627 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5628 __builtin_ia32_vpermil2ps256.
5629 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5630 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5631 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5632 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5633 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5634 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5635 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5636 CODE_FOR_xop_vpermil2v8sf3.
5637 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5638 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5639 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5640 (_mm256_permute2_pd): New.
5641 (_mm_permute2_ps): New.
5642 (_mm256_permute2_ps): New.
5644 2010-02-15 Nick Clifton <nickc@redhat.com>
5646 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5647 boolean parameters. Use emit_jump_insn when emitting a pop
5648 instruction containing a return insn.
5649 (push): Use 'true' rather than '1' as second parameter to F.
5650 (h8300_expand_prologue): Likewise.
5651 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5652 (h8300_expand_epilogue): Likewise.
5654 2010-02-15 Richard Guenther <rguenther@suse.de>
5657 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5660 2010-02-15 Nick Clifton <nickc@redhat.com>
5662 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5665 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5667 * intl.c (fake_ngettext): New function.
5668 * intl.h (fake_ngettext): Declare.
5669 (ngettext): Define macro.
5670 * collect2.c (notice_translated): New function.
5671 (main): Use notice_translated and ngettext.
5672 * collect2.h (notice_translated): Declare.
5674 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5676 * reorg.c (delete_computation): Comment fixes.
5677 * caller-save.c (setup_save_areas): Idem.
5678 * sel-sched-dump.c (dump_lv_set): Idem.
5681 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5683 * config/s390/s390.c (s390_sched_init): New function.
5684 (TARGET_SCHED_INIT): Target hook defined.
5686 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5687 Jack Howarth <howarth@bromo.med.uc.edu>
5688 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5691 Partial revert of unintended change in fix for PR41605.
5692 * config/darwin.h: Fix typo.
5693 * config/darwin9.h: Same.
5695 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5697 * c-pch.c (pch_init): Clear v.
5699 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5702 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5703 graphite_can_represent_init for MULT_EXPR.
5705 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5709 * graphite-sese-to-poly.c (remove_phi): New.
5710 (translate_scalar_reduction_to_array): Call remove_phi.
5712 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5715 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5716 * graphite-clast-to-gimple.h (gloog): Update declaration.
5717 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5718 * graphite-poly.h (struct poly_bb): Add missing comments.
5719 (struct scop): Add poly_scop_p field.
5721 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5722 * graphite.c (graphite_transform_loops): Build the polyhedral
5723 representation for each scop before code generation.
5724 * sese.c (rename_variables_in_operand): Removed.
5725 (rename_variables_in_expr): Return the renamed expression.
5726 (rename_sese_parameters): New.
5727 * sese.h (rename_sese_parameters): Declared.
5729 2010-02-11 Richard Guenther <rguenther@suse.de>
5731 PR tree-optimization/42998
5732 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5733 POINTER_PLUS_EXPR properly.
5735 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5736 Changpeng Fang <changpeng.fang@amd.com>
5739 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5740 the cost of an IV candidate when the IV is used in a test against zero.
5742 * gcc.dg/tree-ssa/ivopts-3.c: New.
5744 2010-02-11 Richard Guenther <rguenther@suse.de>
5747 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5748 pointer-vs-decl case by swapping refs. Handle some cases
5749 of pointer-vs-decl disambiguations more conservatively.
5750 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5751 to false after expanding.
5753 2010-02-11 Richard Guenther <rguenther@suse.de>
5756 * gcc.c (process_command): Handle LTO file@offset case more
5759 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5761 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5762 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5764 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5766 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5767 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5768 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5769 Optimize eq/ne comparisons when both arguments are known to be
5771 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5772 Don't mask operands unnecessarily if they are known to be already
5775 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5777 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5780 2010-02-10 Richard Guenther <rguenther@suse.de>
5782 PR tree-optimization/43017
5783 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5784 for wrapping signed arithmetic.
5786 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5789 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5790 if no debug info should be emitted for it.
5792 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5794 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5795 note when flag_exceptions is set.
5797 2010-02-10 Duncan Sands <baldrick@free.fr>
5799 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5801 2010-02-10 Richard Guenther <rguenther@suse.de>
5804 * tree.c (get_unwidened): Handle constants.
5805 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5807 2010-02-10 Martin Jambor <mjambor@suse.cz>
5810 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5811 check for variable argument counts independently.
5813 2010-02-10 Christian Bruel <christian.bruel@st.com>
5816 * config/sh/sh.c (find_barrier): Increase length for non delayed
5817 conditional branches.
5819 2010-02-10 Christian Bruel <christian.bruel@st.com>
5821 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5823 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5825 * builtins.c (set_builtin_user_assembler_name): Also handle
5826 ffs if int is smaller than word.
5828 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5831 * ira-conflicts.c (get_dup): Remove.
5832 (process_reg_shuffles): Add new parameter. Use it as an
5833 additional guard for copy generation.
5834 (add_insn_allocno_copies): Rewrite.
5836 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5838 * common.opt (fsched2-use-traces): Preserved for backward
5840 * doc/invoke.texi: Remove the documentation about option
5841 -fsched2-use-traces.
5842 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5843 flag_sched2_use_traces.
5844 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5845 the backward compatibility flag section.
5847 2010-02-09 Richard Guenther <rguenther@suse.de>
5849 PR tree-optimization/43008
5850 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5851 make HEAP variables initialized from global memory if they
5852 are not known builtin functions.
5853 (find_func_aliases): Adjust.
5855 2010-02-09 Richard Guenther <rguenther@suse.de>
5857 PR tree-optimization/43000
5858 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5859 arithmetic manually.
5861 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5863 PR tree-optimization/42931
5864 * tree-loop-linear.c (try_interchange_loops): Don't call
5865 double_int_mul if estimated_loop_iterations failed.
5867 2010-02-08 Martin Jambor <mjambor@suse.cz>
5870 * tree-sra.c (build_accesses_from_assign): Do not mark in
5871 should_scalarize_away_bitmap if stmt has volatile ops.
5872 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5875 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5877 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5879 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5881 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5884 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5887 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5889 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5892 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5893 to unknown_dependence.
5894 (graphite_legal_transform_dr): Handle the unknown_dependence.
5895 (graphite_carried_dependence_level_k): Same.
5897 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5899 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5901 2010-02-07 Richard Guenther <rguenther@suse.de>
5904 * expr.c (get_inner_reference): Always initialize *pbitsize.
5906 2010-02-07 Richard Guenther <rguenther@suse.de>
5909 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5910 new ARRAY_REFs on variable size element or minimal index arrays.
5912 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5913 gimple_fold_indirect_ref.
5915 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5918 * arm.c (arm_override_options): Just return if the user has specified
5919 an invalid fpu name.
5921 2010-02-03 Jason Merrill <jason@redhat.com>
5924 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5925 i386_pe_maybe_record_exported_symbol.
5927 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5930 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5931 (pa_delegitimize_address): New function.
5933 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5935 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5936 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5938 2010-02-05 Richard Guenther <rguenther@suse.de>
5941 * lto-streamer-in.c (get_resolution): Deal with references
5942 to undefined functions.
5944 2010-02-05 Richard Guenther <rguenther@suse.de>
5946 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5947 (fold_const_aggregate_ref): Likewise.
5948 (ccp_fold_stmt): Substitute loads.
5949 (maybe_fold_reference): Verify types before substituting.
5951 (fold_gimple_assign): Unshare properly.
5952 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5954 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5956 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5957 for rs6000_gen_cell_microcode.
5959 2010-02-04 Richard Guenther <rguenther@suse.de>
5961 PR rtl-optimization/42952
5962 * dse.c (const_or_frame_p): Remove MEM handling.
5964 2010-02-04 Nick Clifton <nickc@redhat.com>
5966 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5967 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5968 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5969 (mn10300_asm_output_mi_thunk): New function.
5970 (mn10300_can_output_mu_thunk): New function.
5971 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5972 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5973 (FUNCTION_ARG): Delete incorrect comment.
5975 2010-02-03 Jason Merrill <jason@redhat.com>
5978 * fold-const.c (operand_equal_p): Handle erroneous types.
5980 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5982 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5984 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5986 PR rtl-optimization/42941
5987 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5990 2010-02-03 Jason Merrill <jason@redhat.com>
5993 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5995 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5998 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5999 (cselib_reset_table): Renamed from...
6000 (cselib_reset_table_with_next_value): ... this.
6001 (cselib_get_next_uid): Renamed from...
6002 (cselib_get_next_unknown_value): ... this.
6003 * cselib.c (next_uid): Renamed from...
6004 (next_unknown_value): ... this.
6005 (cselib_clear_table): Adjust.
6006 (cselib_reset_table): Adjust. Renamed from...
6007 (cselib_reset_table_with_next_value): ... this.
6008 (cselib_get_next_uid): Adjust. Renamed from...
6009 (cselib_get_next_unknown_value): ... this.
6010 (get_value_hash): Use hash.
6011 (cselib_hash_rtx): Likewise.
6012 (new_cselib_val): Adjust. Set and dump uid.
6013 (cselib_lookup_mem): Pass next_uid as hash.
6014 (cselib_subst_to_values): Likewise.
6015 (cselib_log_lookup): Dump uid.
6016 (cselib_lookup): Pass next_uid as hash. Adjust.
6017 (cselib_process_insn): Adjust.
6018 (cselib_init): Initialize next_uid.
6019 (cselib_finish): Adjust.
6020 (dump_cselib_table): Likewise.
6021 * dse.c (canon_address): Dump value uid.
6022 * print-rtl.c (print_rtx): Print value uid.
6023 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6025 (dv_uid): New function, sort of renamed from...
6026 (dv_htab_hash): ... this, reimplemented in terms of it and...
6027 (dv_uid2hash): ... this. New.
6028 (variable_htab_eq): Drop excess assertions.
6029 (tie_break_pointers): Removed.
6030 (canon_value_cmp): Compare uids.
6031 (variable_post_merge_New_vals): Print uids.
6032 (vt_add_function_parameters): Adjust.
6033 (vt_initialize): Reset table. Adjust.
6035 2010-02-03 Richard Guenther <rguenther@suse.de>
6037 PR tree-optimization/42944
6038 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6039 (call_may_clobber_ref_p_1): Likewise. Properly handle
6040 malloc and calloc clobbering errno.
6042 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6044 * doc/invoke.texi: Fix name of sched1 dump.
6046 * opts.c (decode_options): Set flag_tree_switch_conversion
6047 only conditionally on optimize >= 2.
6049 * gcse.c: Assorted comment fixes in pass description.
6051 2010-02-03 Anthony Green <green@moxielogic.com>
6053 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6054 nop padding in order to maintain alignment of storage location of
6055 target function address.
6056 (moxie_trampoline_init): Store target function address at newly
6058 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6060 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6062 2010-02-03 Richard Guenther <rguenther@suse.de>
6065 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6067 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6069 * config.gcc: Reenable check for obsolete targets.
6070 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6071 mips-sgi-irix6.[0-4]*.
6073 2010-02-02 Nick Clifton <nickc@redhat.com>
6075 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6076 constant size of 4 as being the same as 0.
6077 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6078 can take values in the range 0..4.
6080 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6083 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6084 as _darwin10_Unwind_FindEnclosingFunction().
6085 * libgcc-libsystem.ver: New.
6087 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6090 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6091 implicitly set registers.
6093 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6095 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6096 (arm_override_options): Allow automatic selection of the thread
6097 pointer register if thumb2.
6098 (legitimize_pic_address): Improve code sequences for Thumb2.
6099 (arm_call_tls_get_addr): Likewise.
6100 (legitimize_tls_address): Likewise.
6101 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6102 (pic_load_addr_32bit): ... this. New named pattern.
6103 * thumb2.md (pic_load_addr_thumb2): Delete.
6104 (pic_load_dot_plus_four): Delete.
6105 (tls_load_dot_plus_four): New named pattern.
6107 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6110 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6111 Document fix for TLS bug.
6113 2010-01-31 Richard Guenther <rguenther@suse.de>
6115 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6116 conservatively correct.
6118 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6122 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6124 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6126 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6128 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6130 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6132 * config.gcc: Adjust order of makefile fragments for mingw targets.
6134 2010-01-31 Richard Guenther <rguenther@suse.de>
6137 * gimplify.c (gimplify_init_constructor): For volatile LHS
6138 initialize a temporary.
6140 2010-01-31 Matthias Klose <doko@ubuntu.com>
6142 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6144 * configure: Regenerate.
6146 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6148 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6149 the same alias set and their sizes different constantness.
6150 (aliasing_component_refs_p): Revert 2009-10-24 change.
6152 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6154 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6157 2010-01-29 Richard Guenther <rguenther@suse.de>
6159 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6160 Assert we successfully updated the call.
6162 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6164 PR rtl-optimization/42889
6165 * df.h (df_set_bb_dirty_nonlr): New prototype.
6166 * df-core.c (df_set_bb_dirty_nonlr): New function.
6167 * df-scan.c (df_insn_rescan): Call it instead of
6168 df_set_bb_dirty for DEBUG_INSNs.
6170 2010-01-29 Richard Guenther <rguenther@suse.de>
6173 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6174 quadratic behavior in most cases.
6176 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6179 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6180 in the call to gen_x86_movsicc_0_m1.
6182 2010-01-28 Richard Guenther <rguenther@suse.de>
6184 PR tree-optimization/42871
6185 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6187 2010-01-28 Richard Guenther <rguenther@suse.de>
6189 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6190 into call arguments.
6192 2010-01-28 Richard Guenther <rguenther@suse.de>
6195 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6196 the forwarder if the destination is an EH landing pad.
6198 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6200 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6201 block list passed to gimple_duplicate_sese_tail.
6202 (parallelize_loops): Avoid parallelization when the function
6204 Avoid parallelization when the preheader is IRREDUCIBLE.
6205 Try to optimize when estimated_loop_iterations_int is unresolved.
6206 Add the loop's location to the dump file.
6207 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6208 (gimple_duplicate_sese_tail): Remove the check for the latch.
6209 Redirect nexits to the exit block.
6210 Remove handling of the incoming edges to the latch.
6211 Redirect the backedge from the copied latch to the exit bb.
6213 2010-01-28 Michael Matz <matz@suse.de>
6216 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6217 Wrap force_reg into a sequence, emit it before user.
6219 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6221 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6223 (arm_legacy_rev): Likewise.
6224 (thumb_legacy_rev): Likewise.
6226 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6228 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6229 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6230 on MEM's address failed, try avoid_constant_pool_reference and
6231 recurse if it returned something different.
6232 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6233 address, try avoid_constant_pool_reference and recurse if it
6234 returned something different.
6235 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6236 address and avoid_constant_pool_reference returned something
6237 different, don't set have_address.
6239 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6242 * var-tracking.c (val_store): Add modified argument, obey it.
6244 (count_uses): Move down logging of main.
6245 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6246 don't need resolution.
6247 (emit_notes_in_bb): Likewise.
6249 2010-01-27 Richard Guenther <rguenther@suse.de>
6252 * tree-inline.c (remap_decl): Delay remapping of SSA name
6253 default definitions until we need them.
6255 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6257 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6258 (rs6000_delegitimize_address): New function.
6260 * config/s390/s390.c (s390_delegitimize_address): Call
6261 delegitimize_mem_from_attrs.
6264 * tree-inline.c (cannot_copy_type_1): Removed.
6265 (copy_forbidden): Don't forbid copying of functions containing
6266 records/unions with variable length fields.
6268 2010-01-27 Christian Bruel <christian.bruel@st.com>
6272 * config/sh/sh.c (find_barrier): Increase length for non delayed
6273 conditional branches.
6275 2010-01-27 Matthias Klose <doko@ubuntu.com>
6277 * configure.ac (gnu-unique-object): Fix ldd version check.
6278 * configure: Regenerate.
6280 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6282 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6284 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6285 Test for HAVE_GNU_AS value.
6287 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6289 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6290 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6291 INT64_TYPE): Define.
6292 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6293 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6294 INT_LEAST64_TYPE): Define.
6295 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6296 UINT_LEAST64_TYPE): Define.
6297 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6298 INT_FAST64_TYPE): Define.
6299 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6300 UINT_FAST64_TYPE): Define.
6301 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6302 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6303 (SIG_ATOMIC_TYPE): Define.
6305 2010-01-26 Richard Guenther <rguenther@suse.de>
6307 * df-scan.c (df_scan_set_bb_info): Remove assert.
6308 (df_insn_rescan_debug_internal): Merge asserts.
6309 (df_install_ref): Likewise.
6310 (df_mark_reg): Use bitmap_set_range.
6311 (df_hard_reg_used_p): Remove assert.
6312 (df_hard_reg_used_count): Likewise.
6314 2010-01-26 Richard Guenther <rguenther@suse.de>
6316 PR rtl-optimization/42685
6317 * web.c (web_main): Ignore DEBUG_INSNs.
6319 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6321 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6323 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6324 Fix types of fndecl and arglist parameters.
6326 2010-01-26 Richard Guenther <rguenther@suse.de>
6329 * tree-eh.c (unsplit_eh): Skip debug insns.
6331 2010-01-26 Richard Guenther <rguenther@suse.de>
6333 PR tree-optimization/42250
6334 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6336 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6339 * omp-low.c (expand_omp_sections): Only use single_pred if
6340 l2_bb is single_pred_p.
6342 2010-01-25 Christian Bruel <christian.bruel@st.com>
6345 * config/sh/sh.c (find_barrier): Increase length for non delayed
6346 conditional branches.
6347 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6349 2010-01-24 David S. Miller <davem@davemloft.net>
6351 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6352 define if not using GAS.
6353 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6354 Likewise. Delete SECTION_MERGE code, which is only applicable
6357 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6360 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6361 mangling of va_list in system headers.
6363 2010-01-23 Toon Moene <toon@moene.org>
6365 * tree-predcom.c (combine_chains): Return NULL, not false.
6367 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6369 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6370 initialization of variable res to agree with return type.
6372 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6374 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6375 * tree-sra.c: Add include of expr.h.
6377 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6379 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6380 insert the debug stmt on the single non-EH edge from the stmt.
6382 2010-01-22 Richard Henderson <rth@redhat.com>
6385 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6386 the RHS until after generate_subtree_copies has insertted its
6387 code before the current statement.
6389 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6391 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6393 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6395 2010-01-21 Martin Jambor <mjambor@suse.cz>
6397 PR tree-optimization/42585
6398 * tree-sra.c (struct access): New field grp_total_scalarization.
6399 (dump_access): Dump the new field.
6400 (should_scalarize_away_bitmap): New variable.
6401 (cannot_scalarize_away_bitmap): Likewise.
6402 (sra_initialize): Allocate new bitmaps.
6403 (sra_deinitialize): Free new bitmaps.
6404 (create_access_1): New function.
6405 (create_access): Parts moved to create_access_1.
6406 (type_consists_of_records_p): New function.
6407 (completely_scalarize_record): Likewise.
6408 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6409 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6410 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6412 (analyze_all_variable_accesses): Completely scalarize small eligible
6415 2010-01-21 Martin Jambor <mjambor@suse.cz>
6417 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6419 2010-01-21 Andrew Haley <aph@redhat.com>
6421 * gcc.c (process_command): Move lang_specific_driver before
6422 setting cc_libexec_prefix.
6424 2010-01-21 Richard Guenther <rguenther@suse.de>
6427 * fold-const.c (negate_expr_p): Pretend only negative
6428 real constants are easily negatable.
6430 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6431 Jason Merrill <jason@redhat.com>
6433 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6434 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6435 * calls.c (initialize argument_information): Handle it.
6436 * c-common.c (handle_transparent_union_attribute): Use new name.
6437 * c-decl.c (finish_struct): Ditto.
6438 * c-typeck.c (type_lists_compatible_p): Ditto.
6439 (convert_for_assignment): Use new name and also handle record.
6440 * function.c (aggregate_value_p): Handle it.
6441 (pass_by_reference): Ditto.
6442 (assign_parm_data_types): Ditto.
6443 * print-tree.c (print_node): Ditto.
6444 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6445 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6446 * tree.c (first_field): New fn.
6448 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6451 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6452 even when linking statically, for now.
6454 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6457 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6458 without a cselib val.
6459 (count_uses): Accept MO_VAL_SET with no val on stores.
6460 (add_stores): Likewise.
6462 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6464 * var-tracking.c (check_value_val): Add a compile time assertion.
6465 (dv_is_decl_p): Simplify.
6466 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6467 gcc_assert if ENABLE_CHECKING.
6469 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6472 * var-tracking.c: Include tree-flow.h.
6473 (mem_dies_at_call): New.
6474 (dataflow_set_preserve_mem_locs): Use it.
6475 (dataflow_set_remove_mem_locs): Likewise.
6476 (dump_var): Renamed from dump_variable. Adjust all callers.
6477 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6478 * Makefile.in (var-tracking.o): Adjust deps.
6480 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6482 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6484 2010-01-20 Richard Guenther <rguenther@suse.de>
6486 PR tree-optimization/42717
6487 * tree-ssa-dce.c (get_live_post_dom): Remove.
6488 (forward_edge_to_pdom): Take an arbitrary edge to copy
6489 degenerate PHI args from.
6490 (remove_dead_stmt): Use the first post-dominator even if it
6491 does not contain live statements as redirection destination.
6493 2010-01-20 Richard Guenther <rguenther@suse.de>
6495 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6497 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6499 * sel-sched.c (create_speculation_check): Remove set but not used
6501 (try_transformation_cache): Remove set but not used variable ds.
6502 (calculate_privileged_insns): Remove set but not used variables
6503 cur_insn and min_spec_insn.
6504 (find_best_expr): Remove set but not used variable avail_n.
6505 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6507 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6509 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6510 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6513 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6516 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6517 cpu types. Add support for *-sse3 cpu types.
6518 (x86_64-*-*): Ditto.
6520 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6523 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6524 argument, call initializer_constant_valid_p_1 instead of
6525 initializer_constant_valid_p, pass CACHE to it, return NULL
6526 immediately if first call returns NULL.
6527 (initializer_constant_valid_p_1): New function.
6528 (initializer_constant_valid_p): Use it.
6530 2010-01-20 Thomas Quinot <quinot@adacore.com>
6532 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6534 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6536 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6537 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6538 (loc_list_from_tree): Don't handle unsigned division. Handle
6539 signed modulo using DW_OP_{over,over,div,mul,minus}.
6540 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6541 modulo instead of signed.
6543 2010-01-20 DJ Delorie <dj@redhat.com>
6545 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6547 (h8300_emit_stack_adjustment): Propogate it.
6549 (h8300_expand_prologue): Likewise.
6550 (h8300_expand_epilogue): Likewise.
6552 2010-01-19 Michael Matz <matz@suse.de>
6554 PR tree-optimization/41783
6555 * tree-data-ref.c (toplevel): Include flags.h.
6556 (dump_data_dependence_relation): Also dump the inputs if the
6557 result will be unknown.
6558 (split_constant_offset_1): Look through some conversions.
6559 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6560 the offset from last element is too large.
6561 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6562 (reassociate_to_the_same_stmt): Handle vector registers.
6563 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6565 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6566 wide_prolog_niters argument, emit widening instructions.
6567 (vect_do_peeling_for_alignment): Adjust caller, use widened
6568 variant of the iteration cound.
6569 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6571 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6574 * config/arm/neon-testgen.m (emit_automatics): New parameter
6575 features. Adjust for Fixed_return_reg feature.
6576 (test_intrinsic): Call emit_automatics with new feature.
6577 * config/arm/neon.ml: Update copyright years.
6578 (features): New Fixed_return_reg feature.
6579 (ops): Update feature for Vget_low.
6581 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6583 PR tree-optimization/42719
6584 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6588 * fwprop.c (all_uses_available_at): Return false if def_set dest
6589 is a REG that is used in def_insn.
6591 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6593 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6595 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6598 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6600 * target.h (struct gcc_target) <secondary_reload>: Change type
6601 of last argument to secondary_reload_info *.
6603 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6606 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6607 memory references with unaligned offsets. Remove CQImode handling.
6608 (unaligned_memory_operand): Return 1 for memory references with
6609 unaligned offsets. Remove CQImode handling.
6611 2010-01-18 Richard Guenther <rguenther@suse.de>
6614 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6617 2010-01-18 Richard Guenther <rguenther@suse.de>
6619 PR tree-optimization/42781
6620 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6621 restrict processing only if the original variable was artificial.
6623 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6625 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6626 find number of popped argument bytes.
6628 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6629 Fix the text that describes the return value for invalid insns.
6631 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6633 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6634 Clarify what 'cost of the -dependence' is. Fix quoting.
6636 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6637 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6639 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6641 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6642 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6644 2010-01-17 Richard Guenther <rguenther@suse.de>
6647 * function.c (split_complex_args): Take a VEC to modify.
6648 (assign_parms_augmented_arg_list): Build a VEC instead of
6649 a chain of PARM_DECLs.
6650 (assign_parms_unsplit_complex): Take a VEC of arguments.
6651 Do not fixup unmodified parms.
6652 (assign_parms): Deal with the VEC.
6653 (gimplify_parameters): Likewise.
6655 2010-01-17 Richard Guenther <rguenther@suse.de>
6657 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6658 node existence check.
6659 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6660 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6661 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6662 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6663 (gimple_execute_on_growing_pred): Likewise.
6665 2010-01-17 Richard Guenther <rguenther@suse.de>
6667 PR tree-optimization/42773
6668 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6669 (compute_antic_aux): Likewise.
6670 (compute_partial_antic_aux): Likewise.
6672 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6675 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6678 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6680 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6683 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6684 Fix markup for strict argument.
6686 (TARGET_SCHED_REORDER2): Fix argument types.
6688 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6689 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6691 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6692 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6694 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6697 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6698 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6699 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6700 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6701 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6703 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6705 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6707 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6708 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6710 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6712 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6715 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6717 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6718 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6720 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6722 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6724 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6725 referring to it. Fix language.
6727 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6729 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6731 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6733 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6735 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6736 '@var{stream}. Remove stray 'and'.
6738 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6740 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6742 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6744 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6745 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6747 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6748 Fix description of return value.
6749 Rename argument "sz" to "len."
6751 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6752 Clarify meaning of 'true' return value.
6754 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6756 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6757 rep_mode versus mode_rep.
6759 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6761 (TARGET_BUILTIN_DECL): Fix name.
6763 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6765 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6767 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6769 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6771 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6773 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6776 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6777 Rename argument tm_fn to md_fn.
6779 (TARGET_OPTION_PRINT): Fix argument list.
6781 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6784 * config/i386/i386.c (ix86_fixup_binary_operands):
6785 Revert FMA4 fixup of operands.
6787 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6790 * Makefile.in (write_entries_to_file, install-plugin):
6791 Use \012 instead of \n with tr.
6793 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6795 * configure.ac (HAVE_AS_REF): New C macro.
6796 * configure: Regenerate.
6797 * config.in: Likewise.
6798 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6800 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6803 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6805 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6807 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6809 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6811 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6813 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6815 (TARGET_BINDS_LOCAL_P): Fix argument type.
6817 (TARGET_ASM_FILE_END): Use prototype.
6819 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6821 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6823 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6825 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6827 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6828 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6830 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6831 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6833 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6834 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6835 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6836 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6838 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6840 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6842 (TARGET_INIT_BUILTINS): Use prototype.
6844 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6845 Put 'const char *' in braces. Fix parameter types.
6846 (TARGET_INVALID_CONVERSION): Fix parameter types.
6847 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6848 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6850 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6853 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6855 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6857 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6859 * doc/tm.texi (TARGET_HELP): Fix return type.
6861 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6862 in braces. Fix argument types.
6864 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6866 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6868 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6870 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6871 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6873 (TARGET_MANGLE_TYPE): Fix argument types.
6875 (TARGET_IRA_COVER_CLASSES): Use prototype.
6877 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6879 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6881 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6883 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6885 (TARGET_CALLEE_COPIES): Fix argument types.
6887 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6889 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6891 (TARGET_FUNCTION_VALUE): Fix argument types.
6893 (TARGET_RETURN_IN_MSB): Fix argument type.
6895 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6897 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6899 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6901 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6902 agree with return type.
6904 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6906 2010-01-15 Jing Yu <jingyu@google.com>
6908 PR rtl-optimization/42691
6909 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6910 a pseudo to a constant and are merged, and adjust comments.
6912 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6914 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6916 2010-01-15 Richard Guenther <rguenther@suse.de>
6919 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6920 labels of computed or non-local gotos to the destination.
6921 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6922 landing pad label is the first label.
6924 2010-01-15 Richard Guenther <rguenther@suse.de>
6926 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6928 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6931 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6932 to allow generation of the xssqrtdp instruction on power7.
6933 (sqrtdf2_fpr): Ditto.
6935 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6938 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6939 functions with noreturn attribute.
6942 * varasm.c (declare_weak): Add weak attribute to decl if it
6943 doesn't have one already.
6944 (assemble_external): Only add decls to weak_decls if they also
6945 have weak attribute.
6947 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6949 * var-tracking.c (var_reg_delete): Don't delete the association
6950 between REGs and values or one-part variables if the register
6953 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6956 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6957 because its first operand is a non-localized variable.
6959 2010-01-14 Martin Jambor <mjambor@suse.cz>
6961 PR tree-optimization/42706
6962 * tree-sra.c (encountered_recursive_call): New variable.
6963 (encountered_unchangable_recursive_call): Likewise.
6964 (sra_initialize): Initialize both new variables.
6965 (callsite_has_enough_arguments_p): New function.
6966 (scan_function): Call decl and flags check only for IPA-SRA, check
6967 whether there is a recursive call and whether it has enough arguments.
6968 (all_callers_have_enough_arguments_p): New function.
6969 (convert_callers): Look for recursive calls only when
6970 encountered_recursive_call is set.
6971 (ipa_early_sra): Bail out either if
6972 !all_callers_have_enough_arguments_p or
6973 encountered_unchangable_recursive_call.
6975 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6977 * sel-sched.c: Add 2010 to copyright years.
6978 * sel-sched-ir.c: Likewise.
6979 * sel-sched-ir.h: Likewise.
6981 2010-01-14 Martin Jambor <mjambor@suse.cz>
6983 PR tree-optimization/42714
6984 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6985 constructors specially.
6987 2010-01-14 Andi Kleen <ak@linux.intel.com>
6989 * config/i386/drivers-i386.c (detect_caches_intel):
6990 Add l2sizekb parameter and fill in.
6991 (host_detect_local_cpu): Add l2sizekb, fill in.
6992 Add Atom small cache heuristic.
6994 2010-01-14 Andi Kleen <ak@linux.intel.com>
6996 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6997 Add level3 parameter and fill in.
6998 (detect_caches_intel): Handle level3 cache.
7000 2010-01-14 Andi Kleen <ak@linux.intel.com>
7002 * config/i386/drivers-i386.c (host_detect_local_cpu):
7003 Fix core duo detection.
7005 2010-01-14 Andi Kleen <ak@linux.intel.com>
7007 * config/i386/drivers-i386.c (host_detect_local_cpu):
7010 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7012 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7013 (rs6000_variable_issue_1): this. Use...
7014 (rs6000_variable_issue): here. Reimplement. Print debug info.
7016 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7018 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7019 sel_restore_notes. Update all callers. Call reemit_notes
7022 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7024 PR rtl-optimization/42246
7025 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7028 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7030 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7031 all successors is the same as number of successors in current region.
7033 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7035 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7036 to rename is not separable. Otherwise check that its LHS is not NULL.
7038 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7040 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7042 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7044 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7045 available registers when failed to discover LHS register class.
7046 Fix indentation. Update comment.
7048 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7049 Alexander Monakov <amonakov@ispras.ru>
7051 PR rtl-optimization/42389
7052 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7054 (advance_state_on_fence): Likewise.
7055 (sel_target_adjust_priority): Print debug output only when
7056 sched_verbose >= 4, not 2.
7057 (get_expr_cost): Do not issue all unique insns on the next cycle.
7058 (fill_insns): Initialize can_issue_more from the value saved
7060 * sel-sched-ir.c (flist_add): New parameter issue_more.
7061 Init FENCE_ISSUE_MORE with it.
7062 (merge_fences): Likewise.
7063 (init_fences): Update call to flist_add.
7064 (add_to_fences, add_clean_fence_to_fences)
7065 (add_dirty_fence_to_fences): Likewise.
7066 (move_fence_to_fences): Update call to merge_fences.
7067 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7069 * sel-sched-ir.h (struct _fence): New field issue_more.
7070 (FENCE_ISSUE_MORE): New accessor macro.
7072 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7074 PR rtl-optimization/42388
7075 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7076 that have no predecessors nor successors. Do not call move_bb_info
7077 for empty blocks outside of current region.
7079 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7081 PR rtl-optimization/42294
7082 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7083 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7084 originators' originators.
7086 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7088 PR rtl-optimization/39453
7089 PR rtl-optimization/42246
7090 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7092 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7094 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7095 Alexander Monakov <amonakov@ispras.ru>
7098 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7099 (maybe_tidy_empty_bb): ... here. Make static. Add new
7100 argument. Update all callers.
7101 (tidy_control_flow): ... and here. Recompute topological order
7102 of basic blocks in region if necessary.
7103 (sel_redirect_edge_and_branch): Change return type. Return true
7104 if topological order might have been invalidated.
7105 (purge_empty_blocks): Export and move from...
7106 * sel-sched.c (purge_empty_blocks): ... here.
7107 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7108 (maybe_tidy_empty_bb): Delete prototype.
7109 (purge_empty_blocks): Declare.
7111 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7113 PR rtl-optimization/42249
7114 * sel-sched.c (try_replace_dest_reg): When chosen register
7115 and original register is the same, do not bail out early, but
7116 still check all original insns for validity of replacing destination
7117 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7120 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7123 Port from no-undefined-overflow branch:
7124 2009-03-09 Richard Guenther <rguenther@suse.de>
7126 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7128 2010-01-14 Richard Guenther <rguenther@suse.de>
7131 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7133 2010-01-14 Ira Rosen <irar@il.ibm.com>
7135 PR tree-optimization/42709
7136 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7137 as scalar type in creation of constant vector operand.
7139 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7142 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7143 (check-parallel-%): Match `testsuite' directory component only
7146 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7148 PR translation/39521
7149 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7152 2010-01-13 Richard Guenther <rguenther@suse.de>
7154 PR tree-optimization/42730
7155 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7158 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7161 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7162 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7165 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7167 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7168 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7169 ___umulsi3_highpart.
7171 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7172 rather than schedule_insns if the pass is enabled.
7174 2010-01-13 Martin Jambor <mjambor@suse.cz>
7176 PR tree-optimization/42704
7177 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7180 2010-01-13 Martin Jambor <mjambor@suse.cz>
7182 PR tree-optimization/42703
7183 * tree-sra.c (analyze_access_subtree): Check that we can build a
7184 reference to the original data within the aggregate.
7186 2010-01-13 Richard Guenther <rguenther@suse.de>
7188 PR tree-optimization/42705
7189 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7191 2010-01-13 Richard Guenther <rguenther@suse.de>
7194 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7196 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7199 * var-tracking.c (values_to_unmark): New variable.
7200 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7201 values_to_unmark vector. Moved body to...
7202 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7203 instead queue it into values_to_unmark vector.
7204 (vt_find_locations): Free values_to_unmark vector.
7206 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7208 * config/s390/s390.c (override_options): Set
7209 default of max-pending-list-length to 256
7211 2010-01-13 Richard Guenther <rguenther@suse.de>
7214 * tree-pass.h (PROP_gimple_lcx): New.
7215 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7216 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7217 before the final cleanup_eh.
7218 (dump_properties): Dump PROP_gimple_lcx.
7219 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7220 (tree_lower_complex_O0): Remove.
7221 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7222 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7223 tree_lower_complex, schedule TODO_update_ssa.
7224 * lto-streamer-out.c (output_function): Stream the functions
7226 * lto-streamer-in.c (input_function): Likewise.
7227 (lto_read_body): Do not override them here.
7229 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7232 * c-typeck.c (build_c_cast): Fold value cast to union type before
7233 wrapping it in a CONSTRUCTOR.
7235 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7237 PR rtl-optimization/42699
7238 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7241 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7243 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7244 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7245 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7246 SUBTARGET_WARN_UNUSED_SPEC): ... here
7247 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7249 2010-01-12 Julian Brown <julian@codesourcery.com>
7251 * config/arm/neon-schedgen.ml (Utils): Don't try to
7252 open missing module.
7253 (find_with_result): New.
7255 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7258 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7259 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7261 PR tree-optimization/42645
7262 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7263 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7264 decl_map, set processing_debug_stmt to -1 and return name without
7267 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7269 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7270 binutils version, and reword target configuration description.
7272 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7274 * config/avr/avr.h (LINKER_NAME): Remove.
7276 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7279 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7280 that support VSX, warn for -mno-altivec if vsx is not disabled,
7283 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7284 Shujing Zhao <pearly.zhao@oracle.com>
7286 PR translation/42469
7287 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7288 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7289 character between option name and help text.
7290 * c.opt (imultilib): Likewise.
7292 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7294 * lto-streamer-out.c (output_unreferenced_globals): Output static
7297 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7299 PR rtl-optimization/42621
7300 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7301 optimizing for size.
7302 (duplicate_computed_gotos): Remove now-redundant check.
7304 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7307 * configure.ac: Save and restore LDFLAGS and LIBS
7308 * configure: Regenerate.
7310 2010-01-10 Richard Guenther <rguenther@suse.de>
7313 * builtins.c (fold_builtin_strlen): Add type argument and
7314 convert the resulting length to it.
7315 (fold_builtin_1): Adjust.
7317 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7319 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7320 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7322 (num_insns_constant_wide): Adjust for that change.
7324 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7327 * web.c (union_defs): Add used argument, to combine uses of
7329 (entry_register): Adjust type and tests of used argument.
7330 (web_main): Widen used for new use. Pass it to union_defs.
7331 * df.h (union_defs): Adjust prototype.
7333 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7336 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7337 uses in new incoming argument. Free body.
7338 (reset_debug_uses_in_loop): New.
7339 (analyze_insn_to_expand_var): Call the latter if the former found
7340 anything. Fix whitespace. Reject invalid dest overlaps before
7341 going through all insns in the loop.
7343 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7346 * haifa-sched.c (dying_use_p): Debug insns don't count.
7348 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7351 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7352 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7353 (verify_gimple_call): Reject LHS in noreturn calls.
7355 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7359 * tree-vect-loop-manip.c (adjust_info): New type.
7360 (adjust_vec): New pointer to vector.
7361 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7362 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7363 (slpeel_update_phis_for_duplicate_loop): Use them.
7364 (slpeel_update_phi_nodes_for_guard1): Likewise.
7365 (slpeel_update_phi_nodes_for_guard2): Likewise.
7366 (slpeel_tree_peel_loop_to_edge): Likewise.
7367 (vect_update_ivs_after_vectorizer): Likewise.
7369 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7371 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7372 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7374 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7376 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7377 bogus uninitialized warning.
7379 2010-01-09 Richard Guenther <rguenther@suse.de>
7382 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7383 the evolution is compatible with the initial condition.
7385 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7387 * gcc.c (process_command): Update copyright notice dates.
7388 * gcov.c (print_version): Likewise.
7389 * gcov-dump.c (print_version): Likewise.
7390 * mips-tfile.c (main): Likewise.
7391 * mips-tdump.c (main): Likewise.
7393 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7396 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7398 (rotlhi3_8): Delete.
7400 (rotlsi3_8): Delete.
7401 (rotlsi3_16): Delete.
7402 (rotlsi3_24): Delete.
7404 (*rotw<mode>3): New.
7405 (*rotb<mode>3): New.
7406 * config/avr/avr.c (avr_rotate_bytes): New function.
7407 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7409 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7412 * configure.ac: Modify -rdynamic check.
7413 * configure: Regenerate.
7415 2010-01-08 DJ Delorie <dj@redhat.com>
7417 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7418 register popping order.
7420 2010-01-08 Richard Guenther <rguenther@suse.de>
7423 * c.opt (fsigned-char): Also let LTO handle this option.
7424 (funsigned-char): Likewise.
7426 2010-01-07 Richard Guenther <rguenther@suse.de>
7428 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7429 (gimple_op): Likewise.
7430 (gimple_op_ptr): Likewise.
7431 (gimple_assign_set_lhs): Remove gcc_assert.
7432 (gimple_assign_set_rhs1): Likewise.
7433 (gimple_assign_set_rhs2): Likewise.
7434 (gimple_call_set_lhs): Likewise.
7435 (gimple_call_set_fn): Likewise.
7436 (gimple_call_set_fndecl): Likewise.
7437 (gimple_call_fndecl): Likewise.
7438 (gimple_call_return_type): Likewise.
7439 (gimple_call_set_chain): Likewise.
7440 (gimple_call_num_args): Likewise.
7441 (gimple_call_set_arg): Likewise.
7442 (gimple_cond_set_code): Likewise.
7443 (gimple_cond_set_lhs): Likewise.
7444 (gimple_cond_set_rhs): Likewise.
7445 (gimple_cond_set_true_label): Likewise.
7446 (gimple_cond_set_false_label): Likewise.
7447 (gimple_label_set_label): Likewise.
7448 (gimple_goto_set_dest): Likewise.
7449 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7450 (gimple_debug_bind_get_value): Likewise.
7451 (gimple_debug_bind_get_value_ptr): Likewise.
7452 (gimple_debug_bind_set_var): Likewise.
7453 (gimple_debug_bind_set_value): Likewise.
7454 (gimple_debug_bind_reset_value): Likewise.
7455 (gimple_debug_bind_has_value_p): Likewise.
7456 (gimple_return_retval_ptr): Remove gcc_assert.
7457 (gimple_return_retval): Likewise.
7458 (gimple_return_set_retval): Likewise.
7459 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7460 (safe_referenced_var_iterator): Remove.
7461 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7462 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7463 (fill_referenced_var_vec): Remove.
7464 (first_readonly_imm_use): Remove redundant gcc_assert.
7465 (phi_arg_index_from_use): Combine gcc_asserts.
7466 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7467 (first_imm_use_stmt): Remove redundant gcc_assert.
7468 * tree-cfg.c (verify_gimple_call): Verify function and chain
7469 operands. Verify arguments.
7470 (verify_types_in_gimple_stmt): Verify condition code and labels.
7472 2010-01-07 Richard Guenther <rguenther@suse.de>
7474 PR tree-optimization/42641
7475 * sese.c (rename_map_elt_info): Use the SSA name version, do
7478 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7480 PR tree-optimization/42625
7481 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7482 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7484 2010-01-07 Duncan Sands <baldrick@free.fr>
7486 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7488 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7491 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7492 note itself is not function_invariant_p.
7494 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7496 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7497 Do not add the DF_NOTE problem.
7498 * store-motion.c (execute_rtl_store_motion): Likewise.
7500 2010-01-07 Martin Jambor <mjambor@suse.cz>
7502 PR tree-optimization/42157
7503 * tree-sra.c (compare_access_positions): Stabilize sort if both
7504 accesses have integer types, return zero immediately if they are the
7507 2010-01-06 Richard Henderson <rth@redhat.com>
7510 * haifa-sched.c (add_to_note_list): Merge into ...
7511 (concat_note_lists): ... here, and ...
7512 (unlink_other_notes, rm_other_notes): Merge into...
7513 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7514 NOTE_INSN_EPILOGUE_BEG.
7516 2010-01-06 Richard Guenther <rguenther@suse.de>
7518 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7519 not inline regular functions into always-inline functions.
7521 2010-01-06 Nick Clifton <nickc@redhat.com>
7523 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7524 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7526 (OVERRIDE_OPTIONS): Delete.
7527 (OPTIMIZATION_OPTIONS): Define.
7528 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7529 * config/rx/rx.c (rx_handle_option): Issue an error message if
7530 -mcpu=rx200 and -fpu are used together.
7531 (rx_set_optimization_options): New function. Issue an error
7532 message if an optimization attribute attempts to reset the FPU/
7533 math optimization pairing.
7534 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7535 * config/rx/rx.opt: Set the default to 32-bit doubles.
7536 * config/rx/t-rx: Add multilibs for -nofpu option.
7537 * doc/invoke.texi: Update documentation of RX options.
7539 2010-01-06 Richard Guenther <rguenther@suse.de>
7541 * tree-ssa-pre.c (name_to_id): New global.
7542 (alloc_expression_id): Simplify SSA name handling.
7543 (lookup_expression_id): Likewise.
7544 (init_pre): Zero name_to_id.
7545 (fini_pre): Free it.
7547 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7549 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7551 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7554 * config/i386/sse.md (smaxv2di3): New.
7555 (umaxv2di3): Likewise.
7556 (sminv2di3): Likewise.
7557 (uminv2di3): Likewise.
7559 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7562 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7563 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7564 (legitimize_tls_address): Likewise.
7565 (sparc_tls_referenced_p): Likewise.
7566 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7567 and adjust calls to legitimize_pic_address.
7568 (legitimate_constant_p) Use sparc_tls_referenced_p.
7569 (legitimate_pic_operand_p): Likewise.
7570 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7571 (sparc_tls_symbol_ref_1): Delete.
7572 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7573 (legitimize_tls_address): Make static, handle CONST patterns.
7574 (legitimize_pic_address): Make static, remove unused parameter and
7575 adjust recursive calls.
7576 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7577 and adjust call to legitimize_pic_address.
7578 (sparc_output_mi_thunk): Likewise.
7580 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7581 H.J. Lu <hongjiu.lu@intel.com>
7584 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7585 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7586 operands to make them signed.
7589 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7592 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7593 GTU to GT for V4SI and V2DI.
7595 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7596 (umin<mode>3): Removed.
7598 (uminv4si3): Likewise.
7600 2010-01-05 Martin Jambor <mjambor@suse.cz>
7602 PR tree-optimization/42462
7603 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7604 current_function_decl to helper functions and macros.
7606 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7609 * flags.h: Don't include real.h.
7610 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7611 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7612 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7613 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7614 * dominance.c: Update copyright.
7615 * gimple.c (walk_gimple_op): Remove inline.
7616 * tree-ssa-reassoc.c: Include real.h.
7617 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7618 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7620 2010-01-05 Nick Clifton <nickc@redhat.com>
7622 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7623 register to push into the stack frame when the accumulator has to
7624 be saved during interrupts.
7626 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7628 * doc/invoke.texi: Remove the documentation about option
7630 * common.opt (Wunreachable-code): Preserved for backward
7632 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7633 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7634 the backward compatibility flag section.
7636 2010-01-05 Richard Guenther <rguenther@suse.de>
7638 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7640 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7643 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7645 PR tree-optimization/42508
7646 * tree-sra.c (convert_callers): Check for recursive call
7647 by comparing cgraph nodes instead of decls.
7648 (modify_function): Call ipa_modify_formal_parameters also
7649 on all same_body aliases.
7651 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7652 cgraph nodes when checking for same_body aliases.
7654 2010-01-05 Richard Guenther <rguenther@suse.de>
7656 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7657 allocation and lookup.
7658 (get_or_alloc_expr_for_constant): Likewise.
7659 (phi_translate): Sink allocation.
7661 2010-01-04 Richard Guenther <rguenther@suse.de>
7663 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7664 a new entry only if needed.
7665 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7666 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7668 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7670 (phi_translate): Handle CONSTANTs early.
7672 2010-01-04 Martin Jambor <mjambor@suse.cz>
7674 PR tree-optimization/42398
7675 * tree-sra.c (struct access): Removed flag grp_different_types.
7676 (dump_access): Do not dump the removed flag.
7677 (sort_and_splice_var_accesses): Do not set the removed flag.
7678 (sra_modify_expr): Check for type compatibility directly.
7680 2010-01-04 Martin Jambor <mjambor@suse.cz>
7682 PR tree-optimization/42366
7683 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7684 edges with variable number of parameters.
7685 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7686 flag instead of asserting it.
7687 (ipa_read_node_info): Read uses_analysis_done flag.
7689 2010-01-04 Richard Guenther <rguenther@suse.de>
7691 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7692 iterative_hash_* as intended.
7693 (vn_reference_compute_hash): Likewise. Simplify hashing
7695 (vn_reference_lookup_2): Likewise.
7696 (vn_nary_op_compute_hash): Likewise.
7697 (vn_phi_compute_hash): Likewise.
7698 (expressions_equal_p): Remove strange code.
7699 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7700 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7701 (bitmap_insert_into_set_1): Take value-id as parameter.
7702 (add_to_value): Pass it.
7703 (bitmap_insert_into_set): Likewise.
7704 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7706 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7709 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7710 (do_self_spec): For switches with SWITCH_IGNORE set set also
7711 SWITCH_IGNORE_PERMANENTLY.
7712 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7715 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7717 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7718 tree of an unreferenced global var.
7720 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7723 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7724 GTU to GT for V4SI and V2DI.
7726 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7727 (umin<mode>3): Removed.
7729 (uminv4si3): Likewise.
7731 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7734 * collect2.c (main): Turn on trace in collect2 if -v is passed
7737 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7739 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7740 description of expression operand.
7742 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7744 * configure.ac: Add install-html to target_list for Make-hooks.
7745 * configure: Regenerate.
7746 * fortran/Make-lang.in (F95_HTMLFILES): New.
7747 (fortran.html): Use it.
7748 (fortran.install-html): New.
7749 * Makefile.in (install-html): Add lang.install-html.
7750 * java/Make-lang.in (JAVA_HTMLFILES): New.
7751 (java.html): Use it.
7752 (java.install-html): New.
7753 * objc/Make-lang.in (objc.install-html): New.
7754 * objcp/Make-lang.in (obj-c++.install-html): New.
7755 * cp/Make-lang.in (c++.install-html): New.
7756 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7757 * lto/Make-lang.in (lto.install-html): New.
7759 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7762 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7764 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7766 PR rtl-optimization/41862
7767 * store-motion.c (store_killed_in_insn, compute_store_table,
7768 remove_reachable_equiv_notes, replace_store_insn,
7769 build_store_vectors): Ignore all DEBUG_INSNs.
7771 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7774 * common.opt: Add dumpdir.
7776 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7778 (option_map): Add --dumpdir.
7780 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7782 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7784 * opts.c (decode_options): Try dump_dir_name first if
7785 dump_base_name isn't an absolute path.
7786 (common_handle_option): Handle OPT_dumpdir.
7788 * toplev.c (dump_dir_name): New.
7789 (print_switch_values): Also ignore -dumpdir.
7791 * toplev.h (dump_dir_name): New.
7793 2010-01-03 Richard Guenther <rguenther@suse.de>
7795 PR tree-optimization/42589
7796 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7797 double-word expansion of bswap32.
7799 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7801 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7802 with BLOCK_FOR_INSN.
7803 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7804 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7805 noce_process_if_block): Likewise.
7806 * gcse.c (compute_local_properties, insert_expr_in_table,
7807 insert_set_in_table, canon_list_insert, find_avail_set,
7808 pre_insert_copy_insn): Likewise.
7810 * basic-block.h (BLOCK_NUM): Move from here...
7811 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7813 2010-01-03 Richard Guenther <rguenther@suse.de>
7815 PR tree-optimization/42438
7816 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7817 contains_may_not_return_call flag.
7818 (BB_MAY_NOTRETURN): New.
7819 (valid_in_sets): Trapping nary operations are not valid
7820 in blocks that may not return.
7821 (insert_into_preds_of_block): Remove check for trapping expressions.
7822 (compute_avail): Compute also BB_MAY_NOTRETURN.
7824 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7826 * doc/invoke.texi: Add 2010 to copyright years.
7828 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7830 * config/sparc/sparc.c: Fix formatting nits.
7832 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7833 Alexander Monakov <amonakov@ispras.ru>
7835 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7837 2010-01-02 Richard Guenther <rguenther@suse.de>
7840 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7841 (simplify_switch_using_ranges): Mark to be removed edges
7844 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7846 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7848 * collect2.c (scan_libraries): Add missing argument in call to
7851 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7854 * config/alpha/predicates.md (aligned_memory_operand): Return false
7856 (unaligned_memory_operand): Return true for CQImode.
7857 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7858 doesn not cross aligned SImode word boundary.
7860 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7862 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7864 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7865 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7867 2010-01-02 Richard Guenther <rguenther@suse.de>
7870 * toplev.c (compile_file): Emit LTO marker properly. Change
7872 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7874 2010-01-01 Richard Guenther <rguenther@suse.de>
7877 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7879 2010-01-01 Richard Guenther <rguenther@suse.de>
7882 * c-decl.c (grokdeclarator): For zero-size arrays force
7883 structural equality checks as layout_type does.
7885 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7887 * builtins.c: Update copyright to 2010.
7889 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7892 * lto-streamer-out.c (produce_asm): Revert the last change.
7893 (copy_function): Likewise.
7895 * lto-streamer.c (lto_get_section_name): Skip any leading
7898 2010-01-01 Richard Guenther <rguenther@suse.de>
7901 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7905 Copyright (C) 2010 Free Software Foundation, Inc.
7907 Copying and distribution of this file, with or without modification,
7908 are permitted in any medium without royalty provided the copyright
7909 notice and this notice are preserved.