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1 2010-04-30  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-structalias.c (get_constraint_for_1): Generate
4         constraints for CONSTRUCTOR.
5
6 2010-04-30  Richard Guenther  <rguenther@suse.de>
7
8         PR lto/43946
9         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
10         first after all lowering passes.
11
12 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
13
14         * toplev.c: Include varray.h for statistics dumping.
15         * tree.h: Do not declare varray_head_tag.
16         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
17         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
18         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
19         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
20         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
21         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
22         c-common.c, c-common.h, reg-stack.c, basic-block.h,
23         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
24         include varray.h.
25         * Makefile.in: Update for abovementioned changes.
26
27 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
28
29         PR debug/43942
30         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
31
32 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
33
34         * config/picochip/picochip.c (picochip_legitimize_address): Define.
35         Use this function to do machine-specific conversion.
36         (picochip_legitimize_reload_address): Likewise.
37         (picochip_legitimate_address_p): Check valid base register only if
38         strict.
39         (picochip_check_conditional_copy): Check for modw only if opnd is
40         register.
41         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
42         to call the function in c.
43         * config/picochip/picochip-protos.h
44         (picochip_legitimize_reload_address): Define.
45         * config/picochip/picochip.md (supported_compare1): Define.
46
47 2010-04-30  Jan Hubicka  <jh@suse.cz>
48
49         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
50         (cgraph_global_info): Remove inlined.
51         (LTO_cgraph_tag_names): Remove.
52         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
53         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
54         simplify cgraph tags and document.
55         (lto_output_node): Use only LTO_cgraph_unavail_node and
56         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
57         for_functions_valid, global info, process and output
58         flags.
59         (input_overwrite_node): Initialize estimated stack size and
60         estimated growth.
61         Do not read flags we no longer store.
62         (input_node): Likewise do not read info no longer stored.
63         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
64         flag.
65
66 2010-04-30  Richard Guenther  <rguenther@suse.de>
67
68         PR tree-optimization/43879
69         * tree-ssa-structalias.c (get_constraint_for_1): Properly
70         handle non-zero initializers.
71
72 2010-04-30  Richard Guenther  <rguenther@suse.de>
73
74         * builtins.c (fold_builtin_1): Delete free (0).
75
76 2010-04-29  Jan Hubicka  <jh@suse.cz>
77
78         * gengtype.c (open_base_files): Add lto-streamer.h
79         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
80         (pass_ipa_cp): GGC collect.
81         * toplev. (compile_file): Do not output symbols.
82         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
83         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
84         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
85         * lto-section-in.c: Include ggc.h
86         (lto_new_in_decl_state): Alloc in GGC.
87         (lto_delete_in_decl_state): Likewise.
88         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
89
90 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
91
92         PR target/42895
93         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
94         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
95         (HONOR_REG_ALLOC_ORDER): Describe new macro.
96         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
97         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
98         account only if HONOR_REG_ALLOC_ORDER is not defined.
99         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
100         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
101         
102 2010-04-29  Jon Grant <04@jguk.org>
103         
104         * collect2.c (vflag): Change type from int to bool.
105         (debug): Likewise.
106         (helpflag): New global bool.
107         (main): Set vflag and debug with boolean, not integer truth
108         values.  Accept new "--help" option and output usage text if
109         found.
110         * collect2.h (vflag): Update prototype.
111         (debug): Likewise.
112         
113 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
114
115         PR bootstrap/43936
116         * plugin.h (flag_plugin_added): Moved out of
117         invoke_plugin_callbacks.
118
119 2010-04-29  Richard Guenther  <rguenther@suse.de>
120
121         PR bootstrap/43935
122         * plugin.h (invoke_plugin_callbacks): Annotate arguments
123         with ATTRIBUTE_UNUSED.
124
125 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
126
127         PR target/43921
128         * config/i386/i386.c (get_some_local_dynamic_name): Replace
129         INSN_P with NONDEBUG_INSN_P.
130         (distance_non_agu_define): Likewise.
131         (distance_agu_use): Likewise.
132
133 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
134
135         From Dominique d'Humieres <dominiq@lps.ens.fr>
136         PR bootstrap/43858
137         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
138         test_set.
139
140 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
141
142         * plugin.h (invoke_plugin_callbacks): New inline function.
143         * plugin.c (flag_plugin_added): New global flag.
144         (add_new_plugin): Initialize above flag.
145         (invoke_plugin_callbacks): Rename to ...
146         (invoke_plugin_callbacks_full): ... this.
147
148 2010-04-28  Jan Hubicka  <jh@suse.cz>
149
150         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
151         (lto_varpool_replace_node): New.
152         (lto_symtab_resolve_symbols): Resolve varpool nodes.
153         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
154         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
155         * cgraph.h (varpool_node_ptr): New type.
156         (varpool_node_ptr): New vector.
157         (varpool_node_set_def): New structure.
158         (varpool_node_set): New type.
159         (varpool_node_set): New vector.
160         (varpool_node_set_element_def): New structure.
161         (varpool_node_set_element, const_varpool_node_set_element): New types.
162         (varpool_node_set_iterator): New type.
163         (varpool_node): Add prev pointers, add used_from_other_partition,
164         in_other_partition.
165         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
166         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
167         varpool_get_node, varpool_remove_node): Declare.
168         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
169         varpool_node_set_size): New inlines.
170         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
171         * tree-pass.h (varpool_node_set_def): Forward declare.
172         (ipa_opt_pass_d): Summary writting takes vnode sets too.
173         (ipa_write_optimization_summaries): Update prototype.
174         * ipa-cp.c (ipcp_write_summary): Update.
175         * ipa-reference.c (ipa_reference_write_summary): Update.
176         * lto-cgraph.c (lto_output_varpool_node): New static function.
177         (output_varpool): New function.
178         (input_varpool_node): New static function.
179         (input_varpool_1): New function.
180         (input_cgraph): Input varpool.
181         * ipa-pure-const.c (pure_const_write_summary): Update.
182         * lto-streamer-out.c (lto_output): Update, output varpool too.
183         (write_global_stream): Kill WPA hack.
184         (produce_asm_for_decls): Update.
185         (output_alias_pair_p): Handle variables.
186         (output_unreferenced_globals): Output only needed partition of varpool.
187         * ipa-inline.c (inline_write_summary): Update.
188         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
189         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
190         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
191         varpool_node_set_new, varpool_node_set_add,
192         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
193         debug_varpool_node_set): New functions.
194         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
195         (execute_one_pass): Process new decls too.
196         (ipa_write_summaries_2): Pass around vsets.
197         (ipa_write_summaries_1): Likewise.
198         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
199         to add.
200         (ipa_write_optimization_summaries_1): Pass around vsets.
201         (ipa_write_optimization_summaries): Likewise.
202         * varpool.c (varpool_get_node): New.
203         (varpool_node): Update doubly linked lists.
204         (varpool_remove_node): New.
205         (dump_varpool_node): More dumping.
206         (varpool_enqueue_needed_node): Update doubly linked lists.
207         (decide_is_variable_needed): Kill ltrans hack.
208         (varpool_finalize_decl): Kill lto hack.
209         (varpool_assemble_decl): Skip decls in other partitions.
210         (varpool_assemble_pending_decls): Update doubly linkes lists.
211         (varpool_empty_needed_queue): Likewise.
212         (varpool_extra_name_alias): Likewise.
213         * lto-streamer.c (lto_get_section_name): Add vars section.
214         * lto-streamer.h (lto_section_type): Update.
215         (output_varpool, input_varpool): Declare.
216
217 2010-04-28  Mike Stump  <mikestump@comcast.net>
218
219         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
220
221 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
222
223         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
224         record or union type with RECORD_OR_UNION_TYPE_P predicate.
225         (lto_input_ts_type_tree_pointers): Likewise.
226         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
227         (lto_output_ts_type_tree_pointers): Likewise.
228
229 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
230
231         Uniquization of constants at the Tree level
232         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
233         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
234         bit to the end.
235         (tree_output_constant_def): Declare.
236         * gimplify.c (gimplify_init_constructor): When using block copy, first
237         uniquize the constant constructor on the RHS.
238         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
239         DECL_IN_CONSTANT_POOL flag.
240         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
241         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
242         constant pool.
243         (assemble_variable): Deal with symbols belonging to the tree constant
244         pool.
245         (get_constant_section): Add ALIGN parameter and simplify.
246         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
247         (assemble_constant_contents): Use the expression of the VAR_DECL.
248         (output_constant_def_contents): Use the alignment of the VAR_DECL.
249         (tree_output_constant_def): New global function.
250         (mark_constant): Use the expression of the VAR_DECL.
251         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
252         its expression.
253         (output_object_block): Likewise and assemble the expression.
254
255 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
256
257         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
258         hash_tree, eq_tree): New tree hash table.
259         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
260         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
261         lto_orig_address_remove): Reimplement.
262
263 2010-04-28  Xinliang David Li  <davidxl@google.com>
264
265         PR c/42643
266         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
267         (compute_uninit_opnds_pos): New function.
268         (is_non_loop_exit_postdominating): New function.
269         (compute_control_dep_chain): New function.
270         (find_pdom): New function.
271         (convert_control_dep_chain_into_preds): New function.
272         (find_predicates): New function.
273         (find_control_equiv_block): New function.
274         (collect_phi_def_edges): New function.
275         (find_def_preds): New function.
276         (find_dom): New function.
277         (dump_predicates): New function.
278         (get_cmp_code): New function.
279         (is_value_included_in): New function.
280         (find_matching_predicate_in_rest_chains): New function.
281         (use_pred_not_overlap_with_undef_path_pred): New function.
282         (is_use_properly_guarded): New function.
283         (normalize_cond_1): New function.
284         (is_and_or_or): New function.
285         (normalize_cond): New function.
286         (is_gcond_subset_of): New function.
287         (is_subset_of_any): New function.
288         (is_or_set_subset_of): New function.
289         (is_and_set_subset_of): New function.
290         (is_norm_cond_subset_of): New function.
291         (is_pred_expr_subset_of): New function.
292         (is_pred_chain_subset_of): New function.
293         (is_included_in): New function.
294         (is_superset_of): New function.
295         (find_uninit_use): New function.
296         (warn_uninitialized_phi): New function.
297         (compute_possibly_undefined_names): New function.
298         (ssa_undefined_value_p): New function.
299         (execute_late_warn_uninitialized): New function.
300         * tree-ssa.c (ssa_undefined_value_p): Removed.
301         (warn_uninit): Changed to extern.
302         (warn_uninitialized_phi): Removed.
303         (warn_uninitialized_vars): Changed to extern.
304         (execute_late_warn_uninitialized): Removed
305         * tree-flow.h: Add new prototypes.
306         * timevar.def: Add new time variable.
307         * Makefile.in: Add new build file.
308
309 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
310
311         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
312         type if available.
313
314 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
315
316         PR target/22224
317         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
318
319 2010-04-28  Martin Jambor  <mjambor@suse.cz>
320
321         * cgraph.h (struct cgraph_node): New field indirect_calls.
322         (struct cgraph_indirect_call_info): New type.
323         (struct cgraph_edge): Removed field indirect_call. New fields
324         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
325         (cgraph_create_indirect_edge): Declare.
326         (cgraph_make_edge_direct): Likewise.
327         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
328         * ipa-prop.h (struct ipa_param_call_note): Removed.
329         (struct ipa_node_params): Removed field param_calls.
330         (ipa_create_all_structures_for_iinln): Declare.
331         * cgraph.c: Described indirect edges and uids in initial comment.
332         (cgraph_add_edge_to_call_site_hash): New function.
333         (cgraph_edge): Search also among the indirect edges, use
334         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
335         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
336         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
337         site hash.
338         (initialize_inline_failed): Assign a reason to indirect edges.
339         (cgraph_create_edge_1): New function.
340         (cgraph_create_edge): Moved some functionality to
341         cgraph_create_edge_1.
342         (cgraph_create_indirect_edge): New function.
343         (cgraph_edge_remove_callee): Add an assert checking for
344         non-indirectness.
345         (cgraph_edge_remove_caller): Special-case indirect edges.
346         (cgraph_remove_edge): Likewise.
347         (cgraph_set_edge_callee): New function.
348         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
349         (cgraph_make_edge_direct): New function.
350         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
351         the declaration of the call statement matches.
352         (cgraph_node_remove_callees): Special-case indirect edges.
353         (cgraph_clone_edge): Likewise.
354         (cgraph_clone_node): Clone also the indirect edges.
355         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
356         indirect_call, dump count of indirect_calls edges.
357         * ipa-prop.c (iinlining_processed_edges): New variable.
358         (ipa_note_param_call): Create indirect edges instead of
359         creating notes.  New parameter node.
360         (ipa_analyze_call_uses): New parameter node, pass it on to
361         ipa_note_param_call.
362         (ipa_analyze_stmt_uses): Likewise.
363         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
364         (print_edge_addition_message): Work on edges rather than on notes.
365         (update_call_notes_after_inlining): Likewise, renamed to
366         update_indirect_edges_after_inlining.
367         (ipa_create_all_structures_for_iinln): New function.
368         (ipa_free_node_params_substructures): Do not free notes.
369         (ipa_edge_duplication_hook): Propagate bits within
370         iinlining_processed_edges bitmap.
371         (ipa_node_duplication_hook): Do not duplicate notes.
372         (free_all_ipa_structures_after_ipa_cp): Renamed to
373         ipa_free_all_structures_after_ipa_cp.
374         (free_all_ipa_structures_after_iinln): Renamed to
375         ipa_free_all_structures_after_iinln.g
376         (ipa_write_param_call_note): Removed.
377         (ipa_read_param_call_note): Removed.
378         (ipa_write_indirect_edge_info): New function.
379         (ipa_read_indirect_edge_info): Likewise.
380         (ipa_write_node_info): Do not stream notes, do stream information
381         in indirect edges.
382         (ipa_read_node_info): Likewise.
383         (lto_ipa_fixup_call_notes): Removed.
384         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
385         * ipa-inline.c (pass_ipa_inline): Likewise.
386         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
387         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
388         * tree-inline.c (copy_bb): Removed an unnecessary double check for
389         is_gimple_call.
390         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
391         edges.
392         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
393         (output_cgraph): Stream also indirect edges.
394         (lto_output_edge): Added capability to stream indirect edges.
395         (input_edge): Likewise.
396         (input_cgraph_1): Likewise.
397         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
398         of indirect edges.
399
400 2010-04-28  Richard Guenther  <rguenther@suse.de>
401
402         PR tree-optimization/43879
403         PR tree-optimization/43909
404         * tree-ssa-structalias.c (struct variable_info): Add
405         only_restrict_pointers flag.
406         (new_var_info): Initialize it.  Increment stats.total_vars here.
407         (create_function_info_for): Do not increment stats.total_vars
408         here.
409         (get_function_part_constraint): Fix build with C++.
410         (insert_into_field_list): Remove.
411         (push_fields_onto_fieldstack): Properly merge fields.
412         (create_variable_info_for): Split and simplify.
413         (create_variable_info_for_1): New piece.
414         (intra_create_variable_infos): Properly make restrict constraints
415         from parameters.
416
417 2010-04-28  Richard Guenther  <rguenther@suse.de>
418
419         PR c++/43880
420         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
421         value-exprs.
422
423 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
424             Jan Hubicka <hubicka@ucw.cz>
425
426         * doc/invoke.texi (-Wsuggest-attribute=const,
427         -Wsuggest-attribute=pure): Document.
428         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
429         (function_always_visible_to_compiler_p,
430         suggest_attribute, warn_function_pure, warn_function_const):
431         New functions.
432         (check_call): Improve debug info.
433         (analyze_function): Do not check availability.
434         (add_new_function): Check availability.
435         (propagate): Output warnings.
436         (skip_function_for_local_pure_const): New function.
437         (local_pure_const): Use it; output warnings.
438         * common.opt (Wsuggest-attribute=const,
439         Wsuggest-attribute=pure): New.
440
441 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
442
443         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
444         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
445         or DW_CFA_def_cfa_offset{,_sf}.
446
447 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
448
449         * tree.h: Fix truncated long macros.
450
451 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
452
453         * collect2.c (TARGET_64BIT): Redefine to target's default.
454         * tlink.c: Likewise.
455         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
456         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
457         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
458         for underscoring __USER_LABEL_PREFIX__.
459         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
460         (SUB_LINK_ENTRY32): New.
461         (SUB_LINK_ENTRY64): New.
462         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
463         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
464         (SUB_LINK_ENTRY64): New.
465         (SUB_LINK_ENTRY): New.
466         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
467         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
468         x64 target is choosen.
469         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
470         * configure: Regenerated.
471         * configure.ac (leading-mingw64-underscores): Option added.
472
473 2010-04-27  Jan Hubicka  <jh@suse.cz>
474
475         * doc/invoke.texi (-fipa-profile): Document.
476         * opts.c (decode_options): Enable ipa-profile at -O1.
477         * timevar.def (TV_IPA_PROFILE): Define.
478         * common.opt (fipa-profile): Add.
479         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
480         flag for clones.
481         (cgraph_propagate_frequency): Handle only local ones.
482         * tree-pass.h (pass_ipa_profile): Declare.
483         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
484         (pass_ipa_profile): Use TV_IPA_PROFILE.
485         * ipa.c (ipa_profile): New function.
486         (gate_ipa_profile): Likewise.
487         (pass_ipa_profile): New global variable.
488         * passes.c (pass_ipa_profile): New.
489
490 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
491
492         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
493
494 2010-04-27  Martin Jambor  <mjambor@suse.cz>
495
496         PR middle-end/43812
497         * ipa.c (dissolve_same_comdat_group_list): New function.
498         (function_and_variable_visibility): Call
499         dissolve_same_comdat_group_list when comdat group contains external or
500         newly local nodes.
501         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
502         lists are circular and that they contain only DECL_ONE_ONLY nodes.
503
504 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
505
506         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
507         (const_hash_1) <VECTOR_CST>: New case.
508         (compare_constant) <VECTOR_CST>: Likewise.
509         <ADDR_EXPR>: Deal with LABEL_REFs.
510         (copy_constant) <VECTOR_CST>: New case.
511
512 2010-04-27  Jan Hubicka  <jh@suse.cz>
513
514         * cgraph.c (cgraph_propagate_frequency): New function.
515         * cgraph.h (cgraph_propagate_frequency): Declare.
516         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
517         cgraph_propagate_frequency.
518
519 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
520
521         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
522
523 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
524
525         PR target/40657
526         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
527         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
528         here to determine which regs to push and how much stack to reserve.
529
530 2010-04-27  Jie Zhang  <jie@codesourcery.com>
531
532         * doc/gimple.texi (gimple_statement_with_ops): Remove
533         addresses_taken field.
534         (gimple_statement_with_memory_ops): Likewise.
535
536 2010-04-27  Jan Hubicka  <jh@suse.cz>
537
538         * tree-inline.c (eni_inlining_weights): Remove.
539         (estimate_num_insns): Special case more builtins.
540
541 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
542
543         PR c/32207
544         * c-typeck.c (build_binary_op): Move forward check for comparison
545         pointer with null pointer constant and adjust the diagnostic message.
546
547 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
548
549         PR lto/42776
550         * configure.ac (gcc_cv_as_section_has_align): Set if installed
551         binutils supports extended .section directive needed by LTO, or
552         warn if older binutils found.
553         (LTO_BINARY_READER): New AC_SUBST'd variable.
554         (LTO_USE_LIBELF): Likewise.
555         * gcc/config.gcc (lto_binary_reader): New target-specific configure
556         variable.
557         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
558         (LTO_USE_LIBELF): Likewise.
559         * configure: Regenerate.
560
561         * collect2.c (is_elf): Rename from this ...
562         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
563          object files in addition to ELF-formatted ones.
564         (scan_prog_file): Caller updated.  Also allow for LTO info marker
565         symbol to be prefixed or not by an extra underscore.
566
567         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
568         * config/i386/winnt.c: Also #include lto-streamer.h
569         (i386_pe_asm_named_section): Specify 1-byte section alignment for
570         LTO named sections.
571         (i386_pe_asm_output_aligned_decl_common): Add comment.
572         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
573
574 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
575
576         PR target/43889
577         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
578         Add missing earlyclobber for second alternative.
579
580 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
581
582         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
583         bits for artificial defs at the top of the block.
584         * fwprop.c (single_def_use_enter_block): Don't call it.
585
586 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
587
588         PR 43715
589         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
590         instead of "$gcc_cv_objdump -T".
591         Use "-undefined dynamic_lookup" on darwin.
592         * gcc/configure: Regenerate.
593
594 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
595
596         PR c/43893
597         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
598
599 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
600
601         * c-parser.c (struct c_token): Move location field up.
602         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
603         (struct c_declspecs): Convert typespec_word, storage_class, and
604         default_int_p into bitfields.
605         (struct c_declarator): Move loc field up.
606
607 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
608
609         * cfgloop.h (struct loop): Move can_be_parallel field up.
610         * ipa-prop.h (struct ip_node_params): Move bitfields up.
611         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
612         down.
613         (struct iv_cand): Convert pos field into a bitfield.
614         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
615         field up.
616         (struct _stmt_vec_info): Shuffle fields for better packing.
617
618 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
619
620         * varasm.c (IN_NAMED_SECTION): Remove guard.
621         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
622         (IN_NAMED_SECTION_P): ...this.
623         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
624         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
625
626 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
627
628         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
629         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
630         of shadowing it.  Fix comments.
631
632 2010-04-26  Jan Hubicka  <jh@suse.cz>
633
634         * cgraph.c (cgraph_create_node): Set node frequency to normal.
635         (cgraph_clone_node): Copy function frequency.
636         * cgraph.h (node_frequency): New enum
637         (struct cgraph_node): Add.
638         * final.c (rest_of_clean_state): Update.
639         * lto-cgraph.c (lto_output_node): Output node frequency.
640         (input_overwrite_node): Input node frequency.
641         * tre-ssa-loop-ivopts (computation_cost): Update.
642         * lto-streamer-out.c (output_function): Do not output function
643         frequency.
644         * predict.c (maybe_hot_frequency_p): Update and handle functions
645         executed once.
646         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
647         attribute lookup.
648         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
649         (compute_function_frequency): Set noreturn functions to be executed
650         once.
651         (choose_function_section): Update.
652         * lto-streamer-in.c (input_function): Do not input function frequency.
653         * function.c (allocate_struct_function): Do not initialize function
654         frequency.
655         * function.h (function_frequency): Remove.
656         (struct function): Remove function frequency.
657         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
658         (try_update): Update.
659         * tree-inline.c (initialize_cfun): Do not update function frequency.
660         * passes.c (pass_init_dump_file): Update.
661         * i386.c (ix86_compute_frame_layout): Update.
662         (ix86_pad_returns): Update.
663
664 2010-04-26  Jie Zhang  <jie@codesourcery.com>
665
666         PR tree-optimization/43833
667         * tree-vrp.c (range_int_cst_p): New.
668         (range_int_cst_singleton_p): New.
669         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
670         when both operands are constants.  Use range_int_cst_p in
671         BIT_IOR_EXPR case.
672
673 2010-04-26  Jan Hubicka  <jh@suse.cz>
674
675         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
676
677 2010-04-26  Richard Guenther  <rguenther@suse.de>
678
679         PR lto/43080
680         * gimple.c (gimple_decl_printable_name): Deal gracefully
681         with a NULL DECL_NAME.
682
683 2010-04-26  Richard Guenther  <rguenther@suse.de>
684
685         PR lto/42425
686         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
687         if emitting debug information and it is either a function
688         or a namespace decl.
689
690 2010-04-26  Ira Rosen  <irar@il.ibm.com>
691
692         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
693         determine if the statement is vectorizable, and a macro to access it.
694         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
695         Skip statements that can't be vectorized. If the analysis fails,
696         mark the statement as unvectorizable if vectorizing basic block.
697         (vect_compute_data_refs_alignment): Likewise.
698         (vect_verify_datarefs_alignment): Skip statements marked as
699         unvectorizable. Add print.
700         (vect_analyze_group_access): Skip statements that can't be
701         vectorized. If the analysis fails, mark the statement as
702         unvectorizable if vectorizing basic block.
703         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
704         * tree-vect-stmts.c (vectorizable_store): Fix the number of
705         generated stmts for SLP.
706         (new_stmt_vec_info): Initialize the new field.
707         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
708         statements marked as unvectorizable.
709
710 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
711
712         * c-common.c (flag_isoc1x): New.
713         (flag_isoc99): Update comment.
714         * c-common.h (flag_isoc1x): New.
715         (flag_isoc99): Update comment.
716         * c-cppbuiltin.c (builtin_define_float_constants): Also define
717         __<type>_DECIMAL_DIG__.
718         * c-opts.c (set_std_c1x): New.
719         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
720         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
721         * c.opt (-std=c1x, -std=gnu1x): New options.
722         * doc/cpp.texi: Mention -std=c1x.
723         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
724         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
725         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
726         * doc/standards.texi: Mention C1X.
727         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
728         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
729         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
730         Define for C1X.
731
732 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
733
734         * config/i386/gmon-sol2.c (_mcleanup): Change format string
735         placeholder from 0x%x to %#x.
736         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
737         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
738         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
739         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
740         * config/i386/i386.c (ix86_target_string): Ditto.
741         (output_pic_addr_const): Ditto.
742         (print_operand): Ditto.
743
744 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
745
746         * combine.c (find_split_point): Add third argument.  Use it
747         to find nested multiply-accumulate instructions.  Adjust calls.
748         (try_combine): Adjust call to find_split_point.
749
750 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
751
752         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
753
754 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
755
756         PR tree-optimization/41442
757         * fold-const.c (merge_truthop_with_opposite_arm): New function.
758         (fold_binary_loc): Call it.
759
760 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
761
762         * toplev.c (general_init): Set default for fdiagnostics-show-option.
763         * opts.c (common_handle_option): Allow disabling it.
764         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
765
766 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
767
768         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
769         between modes if both types are integral.
770
771 2010-04-23  Richard Guenther  <rguenther@suse.de>
772
773         PR tree-optimization/43572
774         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
775
776 2010-04-23  Richard Guenther  <rguenther@suse.de>
777
778         PR lto/43455
779         * tree-inline.c (tree_can_inline_p): Also check compatibility
780         of return types.
781
782 2010-04-23  Martin Jambor  <mjambor@suse.cz>
783
784         PR tree-optimization/43846
785         * tree-sra.c (struct access): New flag grp_assignment_read.
786         (build_accesses_from_assign): Set grp_assignment_read.
787         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
788         (enum mark_read_status): New type.
789         (analyze_access_subtree): Propagate grp_assignment_read, create
790         accesses also if both direct_read and root->grp_assignment_read.
791
792 2010-04-23  Martin Jambor  <mjambor@suse.cz>
793
794         PR middle-end/43835
795         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
796         function does not have type attributes.
797
798 2010-04-23  Richard Guenther  <rguenther@suse.de>
799
800         PR lto/42653
801         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
802         of FUNCTION_DECLs.
803
804 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
805
806         * sese.h (create_if_region_on_edge): Remove.
807
808         * sese.c (create_if_region_on_edge): Make static.
809
810         * tree-inline.c: Do not include ggc.h.
811
812         * expr.c: Do not include ggc.h.
813
814         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
815         dependencies.
816
817 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
818
819         PR target/43744
820         * config/sh/sh.c (find_barrier): Don't emit a constant pool
821         in the middle of insns for casesi_worker_2.
822
823 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
824
825         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
826
827 2010-04-22  Ira Rosen  <irar@il.ibm.com>
828
829         PR tree-optimization/43842
830         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
831         loop unrolling in update of exit phis. Fix comment.
832         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
833         least two reduction statements in the loop before starting SLP
834         analysis.
835
836 2010-04-22  Nick Clifton  <nickc@redhat.com>
837
838         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
839
840 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
841
842         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
843         to simplify a + ~a.
844
845 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
846
847         * tree-parloops.c (loop_parallel_p): New argument
848         parloop_obstack.  Pass it down.
849         (parallelize_loops): New variable parloop_obstack.  Initialize it,
850         pass it down, free it.
851
852         * tree-loop-linear.c (linear_transform_loops): Pass down
853         lambda_obstack.
854
855         * tree-data-ref.h (lambda_compute_access_matrices): New argument
856         of type struct obstack *.
857
858         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
859         scratch_obstack.  Initialize it, pass down, free it.
860
861         * lambda.h (lambda_loop_new): Remove.
862         (lambda_matrix_new, lambda_matrix_inverse)
863         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
864         argument of type struct obstack *.
865
866         * lambda-trans.c (lambda_trans_matrix_new): New argument
867         lambda_obstack.  Pass it down, use obstack allocation for ret.
868         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
869         it down.
870
871         * lambda-mat.c (lambda_matrix_get_column)
872         (lambda_matrix_project_to_null): Remove.
873         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
874         allocation for mat.
875         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
876         lambda_obstack.
877
878         * lambda-code.c (lambda_loop_new): New function.
879         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
880         (lambda_compute_auxillary_space, lambda_compute_target_space)
881         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
882         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
883         (build_access_matrix): New argument lambda_obstack.  Use obstack
884         allocation for am.
885         (lambda_compute_step_signs, lambda_compute_access_matrices): New
886         argument lambda_obstack.  Pass it down.
887
888 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
889
890         * optabs.h (expand_widening_mult): Declare.
891
892 2010-04-22  Richard Guenther  <rguenther@suse.de>
893
894         PR tree-optimization/43845
895         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
896         lookup the CALL_EXPR function and arguments.
897
898 2010-04-22  Nick Clifton  <nickc@redhat.com>
899
900         * config/stormy16/stormy16.c
901         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
902         * config/stormy16/stormy16.h: Tidy up formatting.
903         (DONT_USE_BUILTIN_SETJMP): Remove definition.
904         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
905         (ineqbranchsi): Delete pattern.
906         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
907         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
908         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
909         stormy16-lib2-ucmpsi2.c.
910
911 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
912
913         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
914         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
915         extra set merge_set_noclobber, and use it to relax the final test
916         slightly.
917         * df.h (df_simulate_find_noclobber_defs): Declare.
918         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
919         conditional defs.
920         (df_simulate_find_noclobber_defs): New function.
921
922 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
923
924         * config/i386/i386.md: Use {} around multi-line preparation statements.
925
926 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
927
928         * c-tree.h (push_init_level, pop_init_level, set_init_index)
929         (process_init_element): New argument of type struct obstack *.
930
931         * c-typeck.c (push_init_level, pop_init_level, set_designator)
932         (set_init_index, set_init_label, set_nonincremental_init)
933         (set_nonincremental_init_from_string, find_init_member)
934         (output_init_element, output_pending_init_elements)
935         (process_init_element): New argument braced_init_obstack.  Pass it
936         down.
937         (push_range_stack, add_pending_init): New argument
938         braced_init_obstack.  Use obstack allocation.
939
940         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
941         braced_init_obstack.  Pass it down.
942         (c_parser_braced_init): New variables ret, braced_init_obstack.
943         Initialize obstack, pass it down and finally free it.
944
945 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
946
947         PR middle-end/29274
948         * tree-pass.h (pass_optimize_widening_mul): Declare.
949         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
950         gate_optimize_widening_mul): New static functions.
951         (pass_optimize_widening_mul): New.
952         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
953         <case MULT_EXPR>: Remove support for widening multiplies.
954         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
955         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
956         simplify_gen_unary rather than directly building extensions.
957         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
958         WIDEN_MULT_EXPR.
959         * expmed.c (expand_widening_mult): New function.
960         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
961
962 2010-04-21  Jan Hubicka  <jh@suse.cz>
963
964         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
965         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
966         * lto-wpa-fixup.c: Remove.
967         * Makefile.in (lto-wpa-fixup.o): Remove.
968         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
969         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
970         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
971
972 2010-04-21  Jan Hubicka  <jh@suse.cz>
973
974         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
975         add write_optimization_summary, read_optimization_summary.
976         (ipa_write_summaries_of_cgraph_node_set): Remove.
977         (ipa_write_optimization_summaries): Declare.
978         (ipa_read_optimization_summaries): Declare.
979         * ipa-cp.c (pass_ipa_cp): Update.
980         * ipa-reference.c (pass_ipa_reference): Update.
981         * ipa-pure-const.c (pass_ipa_pure_const): Update.
982         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
983         Update.
984         * ipa-inline.c (pass_ipa_inline): Update.
985         * ipa.c (pass_ipa_whole_program): Update.
986         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
987         * passes.c (ipa_write_summaries_1): Do not test wpa.
988         (ipa_write_optimization_summaries_1): New.
989         (ipa_write_optimization_summaries): New.
990         (ipa_read_summaries): Do not test ltrans.
991         (ipa_read_optimization_summaries_1): New.
992         (ipa_read_optimization_summaries): New.
993
994 2010-04-21  Jan Hubicka  <jh@suse.cz>
995
996         * lto-cgraph.c (lto_output_node): Do not output comdat groups
997         for boundary nodes.
998         (output_cgraph): Do not arrange comdat groups for boundary nodes.
999
1000 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1001
1002         PR debug/40040
1003         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1004         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1005
1006 2010-04-21  Jan Hubicka  <jh@suse.cz>
1007
1008         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1009
1010 2010-04-21  Jan Hubicka  <jh@suse.cz>
1011
1012         * varpool.c (decide_is_variable_needed): Variable is always needed
1013         during ltrans.
1014
1015 2010-04-21  Jan Hubicka  <jh@suse.cz>
1016
1017         * opts.c (decode_options): Enable pure-const pass for whopr.
1018
1019 2010-04-21  Jan Hubicka  <jh@suse.cz>
1020
1021         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1022         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1023         at WPA dumping.
1024         (cgraph_decide_inlining): Do not expect callee to be removed in all
1025         cases.
1026
1027 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1028
1029         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1030
1031 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1032
1033         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1034         amdfam10_decode attributes.
1035
1036 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1037
1038         PR middle-end/43570
1039         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1040         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1041         (lower_copyprivate_clauses): Use private var in outer
1042         context instead of original var.  Make sure the types
1043         are correct for VLAs.
1044
1045 2010-04-21  Richard Guenther  <rguenther@suse.de>
1046
1047         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1048         to non-pointer objects.
1049
1050 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1051
1052         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1053         last chain entry if it starts with the still current label.
1054         (add_location_or_const_value_attribute): Check that
1055         loc_list->first->next is NULL instead of comparing ->first with ->last.
1056         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1057         to add_var_loc_to_decl.
1058
1059         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1060         >= 4 add also address size and segment size fields into CIE header.
1061
1062         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1063         long as address size is the same as sizeof (void *) and
1064         segment size is 0.
1065         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1066         address size or segment size is unexpected, return DW_EH_PE_omit.
1067         (classify_object_over_fdes): If get_cie_encoding returned
1068         DW_EH_PE_omit, return -1.
1069         (init_object): If classify_object_over_fdes returned -1,
1070         pretend there were no FDEs at all.
1071
1072 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1073
1074         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1075         bswap{si,di}2 using SWI48 mode iterator.
1076         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1077         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1078         set modrm attribute of bswap insn to 0 and remove length attribute.
1079         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1080         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1081         set mode attribute to <MODE> and remove length attribute.
1082
1083 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1084
1085         PR rtl-optimization/43520
1086         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1087         zero available registers.
1088
1089 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1090
1091         * builtins.c (fold_builtin_cproj): Fold more cases.
1092
1093 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1094
1095         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1096         (fold_builtin_1): Fold builtin cproj.
1097         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1098         Use ATTR_CONST_NOTHROW_LIST.
1099
1100 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1101
1102         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1103         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1104         ffsi2_no_cmove for !TARGET_CMOVE.
1105         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1106         (ffssi2): Remove expander.
1107         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1108         mode iterator.
1109         (ctz<mode>2): Ditto from ctz{si,di}2.
1110         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1111         mode iterator.
1112         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1113         mode iterator.
1114
1115 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1116
1117         * dwarf2out.c (AT_linkage_name): Define.
1118         (clone_as_declaration): Handle DW_AT_linkage_name.
1119         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1120         of DW_AT_MIPS_linkage_name.
1121         (move_linkage_attr): Likewise.
1122         (dwarf2out_finish): Likewise.
1123
1124 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1125
1126         PR middle-end/41952
1127         * fold-const.c (fold_comparison): New folding rule.
1128
1129 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1130
1131         * double-int.h (double_int_setbit): Declare.
1132         * double-int.c (double_int_setbit): New function.
1133         * rtl.h (immed_double_int_const): Declare.
1134         * emit-rtl.c (immed_double_int_const): New function.
1135         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1136         and immed_double_int_const functions.
1137         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1138         expand_copysign_bit):  (Ditto.).
1139         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1140         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1141         * dojump.c (prefer_and_bit_test): (Ditto.).
1142         * expr.c (convert_modes, reduce_to_bit_field_precision,
1143         const_vector_from_tree): (Ditto.).
1144         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1145
1146 2010-04-20  Jan Hubicka  <jh@suse.cz>
1147
1148         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1149         (dump_cgraph_node): Dump new flags.
1150         * cgraph.h (struct cgraph_node): Add flags
1151         reachable_from_other_partition and in_other_partition.
1152         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1153         other partition can not be removed.
1154         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1155         the other partition must be output; silence sanity checking on
1156         leaking functions bodies from other paritition.
1157         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1158         (lto_output_node): Output new flags; do not sanity check that inline
1159         clones are output; drop lto_forced_extern_inline_p code; do not mock
1160         visibility flags at partition boundaries.
1161         (add_node_to): New function.
1162         (output_cgraph): Use it to sort functions so masters appear before
1163         clones.
1164         (input_overwrite_node): Input new flags.
1165         * passes.c (ipa_write_summaries): Do not call
1166         lto_new_extern_inline_states.
1167         * lto-section-out.c (forced_extern_inline,
1168         lto_new_extern_inline_states lto_delete_extern_inline_states,
1169         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1170         * lto-streamer.h (lto_new_extern_inline_states,
1171         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1172         lto_forced_extern_inline_p): Kill.
1173
1174 2010-04-20  Richard Guenther  <rguenther@suse.de>
1175
1176         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1177         from vars that can have pointers.
1178         (process_constraint): Dump useless constraints.
1179
1180 2010-04-20  Richard Guenther  <rguenther@suse.de>
1181
1182         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1183         (dump_sa_points_to_info): Remove asserts.
1184         (init_base_vars): nothing_id isn't an escape point nor does it
1185         have pointers.
1186
1187 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1188
1189         * tree.h (TYPE_REF_IS_RVALUE): Define.
1190         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1191         should_move_die_to_comdat, prune_unused_types_walk): Handle
1192         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1193         (modified_type_die, gen_reference_type_die): Emit
1194         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1195         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1196
1197 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1198
1199         PR target/43635
1200         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1201         calls for -fpic -m31 if they have been sibcall optimized.
1202
1203 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1204
1205         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1206         ar.lc fixed and call-used.
1207
1208         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1209
1210 2010-04-19  Jan Hubicka  <jh@suse.cz>
1211
1212         * opts.c (decode_options): Disable whpr incompatible passes.
1213         * lto/lto.c (lto_1_to_1_map): Skip clones.
1214         (read_cgraph_and_symbols): Do not mark everything as needed.
1215         (do_whole_program_analysis): Do map only after optimizing;
1216         set proper cgraph_state; use passmanager.
1217
1218 2010-04-19  DJ Delorie  <dj@redhat.com>
1219
1220         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1221         POINTER_PLUS_EXPR and fix them.
1222
1223 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1224
1225         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1226         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1227         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1228         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1229         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1230         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1231         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1232         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1233         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1234         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1235         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1236
1237 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1238
1239         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1240         (check_cond_move_block): Likewise.
1241         (cond_move_process_if_block): Likewise.
1242         (noce_find_if_block): Improve formatting.
1243         (find_if_header): Pass 0 to memset and tweak conditions.
1244         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1245
1246 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1247
1248         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1249         for -gdwarf-4.
1250
1251         PR middle-end/43337
1252         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1253         with non-local decl doesn't need chain.
1254
1255 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1256
1257         * ira-color.c (allocno_reload_assign): Avoid accumulating
1258         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1259
1260 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1261
1262         * gimple.h (create_tmp_reg): Declare.
1263         * gimplify.c (create_tmp_reg): New function.
1264         (gimplify_return_expr): Use create_tmp_reg.
1265         (gimplify_omp_atomic): Likewise.
1266         (gimple_regimplify_operands): Likewise.
1267         * tree-dfa.c (make_rename_temp): Likewise.
1268         * tree-predcom.c (predcom_tmp_var): Likewise.
1269         (reassociate_to_the_same_stmt): Likewise.
1270         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1271         (get_replaced_param_substitute): Likewise.
1272         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1273         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1274         * tree-ssa-pre.c (get_representative_for): Likewise.
1275         (create_expression_by_pieces): Likewise.
1276         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1277         (create_tailcall_accumulator): Likewise.
1278
1279 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1280
1281         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1282         new_stmt.
1283         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1284
1285 2010-04-19  Richard Guenther  <rguenther@suse.de>
1286
1287         PR tree-optimization/43796
1288         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1289         from SCEV in the lattice.
1290         (vrp_visit_phi_node): Dump change.
1291
1292 2010-04-19  Richard Guenther  <rguenther@suse.de>
1293
1294         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1295         * configure: Re-generated.
1296
1297 2010-04-19  Richard Guenther  <rguenther@suse.de>
1298
1299         PR tree-optimization/43783
1300         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1301         constant ARRAY_REF operands two and three if possible.
1302
1303 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1304
1305         PR target/43766
1306         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1307
1308 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1309
1310         PR target/43662
1311         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1312
1313 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1314
1315         PR tree-optimization/37027
1316         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1317         and macro to access it.
1318         (vectorizable_reduction): Add argument.
1319         (vect_get_slp_defs): Likewise.
1320         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1321         statements for possible use in SLP.
1322         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1323         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1324         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1325         add new argument.
1326         (vectorizable_reduction): Likewise.
1327         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1328         vect_get_slp_defs.
1329         (vectorizable_type_demotion, vectorizable_type_promotion,
1330         vectorizable_store): Likewise.
1331         (vect_analyze_stmt): Update call to vectorizable_reduction.
1332         (vect_transform_stmt): Likewise.
1333         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1334         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1335         from different interleaving chains in same node.
1336         (vect_slp_rearrange_stmts): New function.
1337         (vect_supported_load_permutation_p): Allow load permutations for
1338         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1339         inside SLP nodes if necessary.
1340         (vect_analyze_slp_instance): Handle reductions.
1341         (vect_analyze_slp): Try to build SLP instances originating from groups
1342         of reductions.
1343         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1344         (vect_get_constant_vectors): Create initial vectors for reductions
1345         according to reduction code. Add new argument.
1346         (vect_get_slp_defs): Add new argument, pass it to
1347         vect_get_constant_vectors.
1348         (vect_schedule_slp_instance): Remove SLP tree root statements.
1349
1350 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1351
1352         * tree.h (ENUM_IS_SCOPED): Define.
1353         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1354         for ENUM_IS_SCOPED enums.
1355
1356 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1357
1358         * fold-const.c (fold_comparison): Use ssizetype.
1359         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1360         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1361         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1362         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1363
1364         * tree.h (initialize_sizetypes): Remove parameter.
1365         (build_common_tree_nodes): Remove second parameter.
1366         * stor-layout.c (initialize_sizetypes): Remove parameter.
1367         Always create an unsigned type.
1368         (set_sizetype): Assert that the passed type is unsigned and simplify.
1369         * tree.c (build_common_tree_nodes): Remove second parameter.
1370         Adjust call to initialize_sizetypes.
1371         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1372         build_common_tree_nodes.
1373
1374 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1375
1376         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1377
1378 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1379
1380         PR tree-optimization/43771
1381         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1382         load permutation doesn't have gaps.
1383
1384 2010-04-18  Jan Hubicka  <jh@suse.cz>
1385
1386         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1387         (sse_prologue_save_insn expander): Use new pattern.
1388         (sse_prologue_save_insn1): New pattern and splitter.
1389         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1390         blocks.
1391         * i386.c (setup_incoming_varargs_64): Do not compute jump
1392         destination here.
1393         (ix86_gimplify_va_arg): Update alignment needed.
1394         (ix86_local_alignment): Do not align all local arrays to 128bit.
1395
1396 2010-04-17  Jan Hubicka  <jh@suse.cz>
1397
1398         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1399
1400 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1401
1402         * arm.md (negdi2): Remove redundant code to force values into a
1403         register.
1404
1405 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1406
1407         * arm/bpabi.S: Add EABI alignment attributes to objects.
1408         * arm/bpabi-v6m.S: Likewise.
1409         * arm/crti.asm: Likewise.
1410         * arm/crtn.asm: Likewise.
1411         * arm/lib1funcs.asm: Likewise.
1412         * arm/libunwind.S: Likewise.
1413
1414 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1415
1416         * arm-protos.h (tune_params): New structure.
1417         * arm.c (current_tune): New variable.
1418         (arm_constant_limit): Delete.
1419         (struct processors): Add pointer to the tune parameters.
1420         (arm_slowmul_tune): New tuning option.
1421         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1422         (all_cores): Adjust to pick up the tuning model.
1423         (arm_constant_limit): New function.
1424         (arm_override_options): Select the appropriate tuning model.  Delete
1425         initialization of arm_const_limit.
1426         (arm_split_constant): Use the new constant-limit model.
1427         (arm_rtx_costs): Pick up the current tuning model.
1428         * arm.md (is_strongarm, is_xscale): Delete.
1429         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1430         for Xscale variant architectures.
1431         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1432
1433 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1434
1435         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1436         can_shift.
1437         (arm_rtx_costs_1): Remove unused variable extra_cost.
1438         (arm_unwind_emit_set): Use variable offset.
1439         (thumb1_output_casesi): Remove unused variable flags.
1440
1441 2010-04-16  Jeff Law  <law@redhat.com>
1442
1443         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1444         needing assignment rather than doing a two-phase assignment.  Remove
1445         unused variable 'm'.
1446
1447 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1448
1449         PR bootstrap/43767
1450         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1451
1452 2010-04-16  Doug Kwan  <dougkwan@google.com>
1453
1454         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1455         (next_operand_entry_id): New static variable.
1456         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1457         (add_to_ops_vec): Assigned unique ID to operand entry.
1458         (struct oecount_s): New field ID.
1459         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1460         (undistribute_ops_list): Assign unique IDs to oecounts.
1461         (init_reassoc): reset next_operand_entry_id.
1462
1463 2010-04-16  Doug Kwan  <dougkwan@google.com>
1464
1465         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1466         missing left parenthesis.
1467
1468 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1469
1470         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1471         *btdi_rex64 using SWI48 mode iterator.
1472         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1473         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1474         *jcc_btdi_mask_rex64.
1475
1476 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1477
1478         * double-int.h (tree_to_double_int): Convert to macro.
1479         * double-int.c (tree_to_double_int): Remove.
1480
1481 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1482
1483         PR debug/43762
1484         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1485         with want_address 2 and in case a single element list might be
1486         possible, call it again with want_address 0.
1487
1488 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1489
1490         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1491         case 'W' print operands for HI mode.
1492         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1493         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1494         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1495         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1496
1497         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1498
1499         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1500         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1501         #xx:3 and #xx:4 mode.
1502
1503         * config/h8300/h8300.md (inverted load with HImode dest): Add
1504         support for H8300SX.
1505
1506         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1507         satisfy 'U' constraint.
1508
1509 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1510
1511         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1512         * configure: Regenerate.
1513         * config.in: Regenerate.
1514         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1515         works.
1516
1517 2010-04-16  Richard Guenther  <rguenther@suse.de>
1518
1519         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1520         (struct tree_decl_common): ... here.
1521         (DECL_PT_UID): Adjust.
1522         (SET_DECL_PT_UID): Likewise.
1523         (DECL_PT_UID_SET_P): Likewise.
1524
1525 2010-04-16  Richard Guenther  <rguenther@suse.de>
1526
1527         PR tree-optimization/43572
1528         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1529         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1530         * tree-flow.h (is_call_clobbered): Remove.
1531         * tree-flow-inline.h (is_call_clobbered): Likewise.
1532         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1533         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1534         (execute_return_slot_opt): Adjust.
1535         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1536         check for call clobbered vars here.
1537         (find_tail_calls): Move tailcall verification to the
1538         proper place.
1539
1540 2010-04-16  Diego Novillo  <dnovillo@google.com>
1541
1542         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1543
1544 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1545
1546         PR target/40603
1547         * config/arm/arm.md (cbranchqi4): New pattern.
1548         * config/arm/predicates.md (const0_operand,
1549         cbranchqi4_comparison_operator): New predicates.
1550
1551 2010-04-16  Richard Guenther  <rguenther@suse.de>
1552
1553         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1554         (dump_gimple_stmt): Likewise.
1555
1556 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1557
1558         * recog.h (struct recog_data): New field is_operator.
1559         (struct insn_operand_data): New field is_operator.
1560         * recog.c (extract_insn): Set recog_data.is_operator.
1561         * genoutput.c (output_operand_data): Emit code to set the
1562         is_operator field.
1563         * reload.c (find_reloads): Use it rather than testing for an
1564         empty constraint string.
1565
1566         PR target/41514
1567         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1568         If the previous insn is a cbranchsi4_insn with the same arguments,
1569         omit the compare instruction.
1570
1571         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1572         register, inputs must be low registers and we need a low register
1573         scratch.  Handle alternative 2 like alternative 3.
1574
1575 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1576
1577         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1578         don't call get_addr on both.  If one expression is a VALUE and
1579         the other a REG, check VALUE's locs if the REG isn't among them.
1580
1581 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1582
1583         * config/sh/sh.h (sh_frame_pointer_required): New function.
1584         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1585         (flag_omit_frame_pointer) Set.
1586         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1587         (rounded_frame_size): Adjust size with outgoing_args_size.
1588         (sh_set_return_address): Must return from stack pointer.
1589         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1590         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1591         (ACCUMULATE_OUTGOING_ARGS): Define.
1592         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1593         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1594
1595 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1596
1597         PR target/43471
1598         * config/sh/sh.c (sh_legitimize_reload_address): Use
1599         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1600         Remove a unneeded check for offset_base.
1601
1602 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1603
1604         * configure: Regenerated.
1605
1606 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1607
1608         * config/s390/s390.c (s390_call_save_register_used): Switch back
1609         to HARD_REGNO_NREGS.
1610
1611 2010-04-15  Richard Guenther  <rguenther@suse.de>
1612
1613         * alias.c (alias_set_subset_of): Handle alias-set zero
1614         child properly.
1615
1616 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1617             Julian Brown  <julian@codesourcery.com>
1618
1619         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1620         alternatives according to use of high and low regs.
1621         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1622         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1623         optimizing for size on Thumb-2.
1624
1625 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1626
1627         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1628
1629 2010-04-15  Richard Guenther  <rguenther@suse.de>
1630
1631         * tree-ssa-structalias.c (struct variable_info): Add
1632         is_fn_info flag.
1633         (new_var_info): Initialize it.
1634         (dump_constraints): Support printing last added constraints.
1635         (debug_constraints): Adjust.
1636         (dump_constraint_graph): Likewise.
1637         (make_heapvar_for): Check for NULL cfun.
1638         (get_function_part_constraint): New function.
1639         (get_fi_for_callee): Likewise.
1640         (find_func_aliases): Properly implement IPA PTA constraints.
1641         (process_ipa_clobber): New function.
1642         (find_func_clobbers): Likewise.
1643         (insert_into_field_list_sorted): Remove.
1644         (create_function_info_for): Properly allocate vars for IPA mode.
1645         Do not use insert_into_field_list_sorted.
1646         (create_variable_info_for): Properly generate constraints for
1647         global vars in IPA mode.
1648         (dump_solution_for_var): Always dump the solution.
1649         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1650         (find_what_var_points_to): Adjust.
1651         (pt_solution_set): Change.
1652         (pt_solution_ior_into): New function.
1653         (pt_solution_empty_p): Export.
1654         (pt_solution_includes_global): Adjust.
1655         (pt_solution_includes_1): Likewise.
1656         (pt_solutions_intersect_1): Likewise.
1657         (dump_sa_points_to_info): Check some invariants.
1658         (solve_constraints): Move constraint dumping ...
1659         (compute_points_to_sets): ... here.
1660         (ipa_pta_execute): ... and here.
1661         (compute_may_aliases): Do not re-compute points-to info
1662         locally if IPA info is available.
1663         (ipa_escaped_pt): New global var.
1664         (ipa_pta_execute): Properly implement IPA PTA.
1665         * tree-into-ssa.c (dump_decl_set): Support dumping
1666         decls not in referenced-vars.
1667         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1668         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1669         (dump_points_to_solution): Likewise.
1670         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1671         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1672         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1673         (copy_decl_to_var): Copy DECL_PT_UID.
1674         (copy_result_decl_to_var): Likewise.
1675         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1676         (copy_node_stat): Copy it.
1677         * tree.h (DECL_PT_UID): New macro.
1678         (SET_DECL_PT_UID): Likewise.
1679         (DECL_PT_UID_SET_P): Likewise.
1680         (struct tree_decl_minimal): Add pt_uid member.
1681         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1682         (pt_solution_empty_p): Declare.
1683         (pt_solution_set): Adjust.
1684         (ipa_escaped_pt): Declare.
1685         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1686         * gimple-pretty-print.c (pp_points_to_solution): New function.
1687         (dump_gimple_call): Dump call clobber/use information.
1688         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1689         * tree-pass.h (TDF_ALIAS): New dump option.
1690         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1691         * doc/invoke.texi (-fipa-pta): Update documentation.
1692
1693 2010-04-15  Richard Guenther  <rguenther@suse.de>
1694
1695         * Makefile.in (OBJS-common): Add gimple-fold.o.
1696         (gimple-fold.o): New rule.
1697         * tree.h (maybe_fold_offset_to_reference,
1698         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1699         prototypes ...
1700         * gimple.h: ... here.
1701         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1702         may_propagate_address_into_dereference): Move prototypes ...
1703         * gimple.h: ... here.
1704         * tree-ssa-ccp.c (get_symbol_constant_value,
1705         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1706         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1707         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1708         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1709         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1710         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1711         gimplify_and_update_call_from_tree): Move ...
1712         * gimple-fold.c: ... here.  New file.
1713         (ccp_fold_builtin): Rename to ...
1714         (gimple_fold_builtin): ... this.
1715         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1716
1717 2010-04-15  Richard Guenther  <rguenther@suse.de>
1718
1719         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1720         fit_double_type, force_fit_type_double, add_double_with_sign,
1721         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1722         lrotate_double, rrotate_double, div_and_round_double): Move ...
1723         * double-int.c: ... here.
1724         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1725         add_double, neg_double, mul_double_with_sign, mul_double,
1726         lshift_double, rshift_double, lrotate_double, rrotate_double,
1727         div_and_round_double): Move prototypes ...
1728         * double-int.h: ... here.
1729
1730 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1731
1732         PR target/43742
1733         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1734         matching constraints to ensure inputs match the output.
1735
1736 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1737
1738         PR target/43742
1739         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1740         in an input-only operand.
1741
1742 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1743
1744         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1745         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1746         (double_int_negative_p): Convert to static inline function.
1747         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1748         (double_int_negative_p): Remove.
1749         * tree.h (lshift_double, rshift_double):
1750         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1751         * fold-const.c (fold_convert_const_int_from_real,
1752         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1753         (lshift_double): Change type of arith argument to bool.
1754         (rshift_double): Change type of arith argument to bool. Correct
1755         comment.
1756         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1757
1758 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1759
1760         PR target/21803
1761         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1762         at the start and end of the then/else blocks, and omit them from the
1763         conversion.
1764         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1765         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1766         (flow_find_head_matching_sequence): New function.
1767         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1768         * basic-block.h (flow_find_cross_jump,
1769         flow_find_head_matching_sequence): Declare functions.
1770
1771 2010-04-14  Jason Merrill  <jason@redhat.com>
1772
1773         PR c++/36625
1774         * c-common.c (attribute_takes_identifier_p): New fn.
1775         * c-common.h: Declare it.
1776
1777 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1778
1779         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1780         splitter condition.
1781         (*udivmod<mode>4): Ditto.
1782
1783 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1784
1785         * config/i386/i386.md (maxmin_int): Rename code attribute from
1786         maxminiprefix and update all users.
1787         (maxmin_float): Ditto from maxminfprefix.
1788         (logic): Ditto from logicprefix.
1789         (absneg_mnemonic): Ditto from absnegprefix.
1790         * config/i386/mmx.md: Update all users of maxminiprefix,
1791         maxminfprefix and logicprefix for rename.
1792         * config/i386/sse.md: Ditto.
1793         * config/i386/sync.md (sync_<code><mode>): Update for
1794         logicprefix rename.
1795
1796 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1797
1798         PR 42966
1799         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1800         warnings converted to errors.
1801
1802 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1803
1804         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1805         used insn_type variable.
1806         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1807         to avoid set-but-not-used warning.
1808
1809 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1810
1811         * df-core.c (df_ref_debug): Change format string placeholder
1812         from 0x%x to %#x.
1813         * dwarf2asm.c (dw2_asm_output_data_raw,
1814         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1815         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1816         * dwarf2out.c (output_cfi, output_cfi_directive,
1817         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1818         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1819         Ditto.
1820         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1821         * print-rtl.c (print_rtx): Ditto.
1822
1823 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1824
1825         PR middle-end/42694
1826         * builtins.c (expand_builtin_pow_root): New function to expand pow
1827         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1828         series of sqrt and cbrt calls under -ffast-math.
1829         (expand_builtin_pow): Call it.
1830
1831 2010-04-14  Michael Matz  <matz@suse.de>
1832
1833         PR tree-optimization/42963
1834         * tree-cfg.c (touched_switch_bbs): New static variable.
1835         (group_case_labels_stmt): New function broken out from ...
1836         (group_case_labels): ... here, use the above.
1837         (start_recording_case_labels): Allocate touched_switch_bbs.
1838         (end_recording_case_labels): Deallocate it, call
1839         group_case_labels_stmt.
1840         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1841
1842 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1843
1844         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1845         from insn template.
1846
1847 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1848
1849         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1850
1851 2010-04-13  Jan Hubicka  <jh@suse.cz>
1852
1853         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1854         of optimized out static functions.
1855         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1856         cost computation.  Also sanity check for overflows.
1857         (update_caller_keys): Update cgraph_edge_badness call; properly
1858         update fibheap and sanity check that it is up to date.
1859         (add_new_edges_to_heap): Update cgraph_edge_badness.
1860         (cgraph_decide_inlining_of_small_function): Likewise;
1861         add sanity checking that badness in heap is up to date;
1862         improve dumping of reason; Update badness of calls to the
1863         offline copy of function currently inlined; dump badness
1864         of functions not inlined because of unit growth limits.
1865
1866 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1867
1868         PR middle-end/32628
1869         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1870         because of sign-extension change when converting to sizetype here...
1871         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1872
1873         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1874         the folding to constants.  Remove redundant final conversion.
1875         (fold_binary) <associate>: Do not associate if the re-association of
1876         constants alone overflows.
1877         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1878         to the end of the list.
1879         (multiple_of_p) <COND_EXPR>: New case.
1880
1881 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1882
1883         * opt-functions.awk (opt_sanitized_name): New.
1884         (opt_enum): New.
1885         * optc-gen.awk: Use it
1886         * opth-gen.awk: Use it.
1887
1888 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1889
1890         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1891         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1892         children.  Call replace_uses_with_default_def_ssa_name to handle
1893         SSA_NAES on lhs.
1894
1895 2010-04-13  Michael Matz  <matz@suse.de>
1896
1897         PR middle-end/43730
1898         * builtins.c (expand_builtin_interclass_mathfn): Also create
1899         a register if the predicate doesn't match.
1900
1901 2010-04-13  Diego Novillo  <dnovillo@google.com>
1902
1903         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1904         * c-pch.c: Include timevar.h.
1905         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1906         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1907         * ggc-common.c: Include timevar.h.
1908         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1909         * timevar.def (TV_PCH_SAVE): Define.
1910         (TV_PCH_CPP_SAVE): Define.
1911         (TV_PCH_PTR_REALLOC): Define.
1912         (TV_PCH_PTR_SORT): Define.
1913         (TV_PCH_RESTORE): Define.
1914         (TV_PCH_CPP_RESTORE): Define.
1915
1916 2010-04-13  Michael Matz  <matz@suse.de>
1917
1918         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1919         into MINUS_EXPRs.
1920         (can_reassociate_p): New function.
1921         (break_up_subtract_bb, reassociate_bb): Use it.
1922
1923 2010-04-13  Richard Guenther  <rguenther@suse.de>
1924
1925         PR bootstrap/43737
1926         * builtins.c (c_readstr): Fix assert.
1927
1928 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1929
1930         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1931         when generating cltd insn.
1932
1933         (*ashl<mode>3_1): Remove special handling for register operand 2.
1934         (*ashlsi3_1_zext): Ditto.
1935         (*ashlhi3_1): Ditto.
1936         (*ashlhi3_1_lea): Ditto.
1937         (*ashlqi3_1): Ditto.
1938         (*ashlqi3_1_lea): Ditto.
1939         (*<shiftrt_insn><mode>3_1): Ditto.
1940         (*<shiftrt_insn>si3_1_zext): Ditto.
1941         (*<shiftrt_insn>qi3_1_slp): Ditto.
1942         (*<rotate_insn><mode>3_1): Ditto.
1943         (*<rotate_insn>si3_1_zext): Ditto.
1944         (*<rotate_insn>qi3_1_slp): Ditto.
1945
1946 2010-04-13  Richard Guenther  <rguenther@suse.de>
1947
1948         * tree-ssa-structalias.c (callused_id): Remove.
1949         (call_stmt_vars): New.
1950         (get_call_vi): Likewise.
1951         (lookup_call_use_vi): Likewise.
1952         (lookup_call_clobber_vi): Likewise.
1953         (get_call_use_vi): Likewise.
1954         (get_call_clobber_vi): Likewise.
1955         (make_transitive_closure_constraints): Likewise.
1956         (handle_const_call): Adjust to do per-call call-used handling.
1957         (handle_pure_call): Likewise.
1958         (find_what_var_points_to): Remove general callused handling.
1959         (init_base_vars): Likewise.
1960         (init_alias_vars): Initialize call_stmt_vars.
1961         (compute_points_to_sets): Process call-used and call-clobbered
1962         vars for call statements.
1963         (delete_points_to_sets): Free call_stmt_vars.
1964
1965 2010-04-13  Richard Guenther  <rguenther@suse.de>
1966
1967         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1968         Only add RW dependence for dependence distance zero.
1969         Adjust maximal vectorization factor according to dependences.
1970         Move alignment handling ...
1971         (vect_find_same_alignment_drs): ... here.  New function.
1972         (vect_analyze_data_ref_dependences): Adjust.
1973         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1974         (vect_analyze_data_refs): Adjust minimal vectorization factor
1975         according to data references.
1976         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1977         dependences before determining the vectorization factor.
1978         Analyze alignment after determining the vectorization factor.
1979         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1980         dependences before alignment.
1981         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1982         Adjust prototype.
1983         (vect_analyze_data_refs): Likewise.
1984         (MAX_VECTORIZATION_FACTOR): New define.
1985
1986 2010-04-13  Duncan Sands  <baldrick@free.fr>
1987
1988         * except.h (lang_eh_type_covers): Remove.
1989         * except.c (lang_eh_type_covers): Likewise.
1990
1991 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1992             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1993
1994         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1995         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1996         UNITS_PER_LONG where it is ABI relevant.
1997         (s390_return_addr_rtx): Likewise.
1998         (s390_back_chain_rtx): Likewise.
1999         (s390_frame_area): Likewise.
2000         (s390_frame_info): Likewise.
2001         (s390_initial_elimination_offset): Likewise.
2002         (save_gprs): Likewise.
2003         (s390_emit_prologue): Likewise.
2004         (s390_emit_epilogue): Likewise.
2005         (s390_function_arg_advance): Likewise.
2006         (s390_function_arg): Likewise.
2007         (s390_va_start): Likewise.
2008         (s390_gimplify_va_arg): Likewise.
2009         (s390_function_profiler): Likewise.
2010         (s390_optimize_prologue): Likewise.
2011         (s390_rtx_costs): Likewise.
2012         (s390_secondary_reload): Likewise.
2013         (s390_promote_function_mode): Likewise.
2014         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2015         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2016         registers available.
2017         (s390_unwind_word_mode): New function.
2018         (s390_function_value): Split 64 bit values into register pair if
2019         used as return value.
2020         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2021         function call parameters.  Handle parallels.
2022         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2023         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2024         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2025         (s390_expand_setmem): Remove unused variable src_addr.
2026         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2027         deal with 64 bit registers.
2028         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2029         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2030         (UNITS_PER_LONG): New macro.
2031         * libjava/include/s390-signal.h: Define extended ucontext
2032         structure containing the upper halfs of the 64 bit registers.
2033
2034 2010-04-13  Simon Baldwin  <simonb@google.com>
2035
2036         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2037
2038 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2039
2040         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2041         rvalue on the RHS if the LHS is of a non-renamable type.
2042         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2043
2044 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2045
2046         * gcc.c (cc1_options): Handle -iplugindir before processing
2047         the cc1 spec. Only add -iplugindir once.
2048         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2049         found.
2050         * common.opt (iplugindir): Remove `Separate' property, initialize.
2051         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2052         option.
2053         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2054         (distclean): Remove plugin dir.
2055         * doc/invoke.texi: Document -iplugindir.
2056
2057 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2058
2059         * doc/plugins.texi (Loading Plugins): Document short
2060         -fplugin=foo option.
2061         (Plugin API): Mention default_plugin_dir_name function.
2062
2063         * gcc.c (find_file_spec_function): Add new declaration.
2064         (static_spec_func): Use it for "find-file".
2065         (find_file_spec_function): Add new function.
2066         (cc1_options): Add -iplugindir option if -fplugin* options found.
2067
2068         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2069
2070         * plugin.c (add_new_plugin): Updated comment, and handle short
2071         plugin name.
2072         (default_plugin_dir_name): Added new function.
2073
2074         * common.opt (iplugindir): New option to set the plugin directory.
2075
2076 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2077
2078         * config/i386/i386.md (any_rotate): New code iterator.
2079         (rotate_insn): New code attribute.
2080         (rotate): Ditto.
2081         (SWIM124): New mode iterator.
2082         (<rotate_insn>ti3): New expander.
2083         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2084         any_rotate code iterator.
2085         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2086         using any_rotate code iterator and SWIM124 mode iterator.
2087         (ix86_rotlti3): New insn_and_split pattern.
2088         (ix86_rotrti3): Ditto.
2089         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2090         ix86_rotl{di,ti}3 patterns.
2091         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2092         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2093         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2094         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2095         code iterator and SWI mode iterator.
2096         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2097         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2098         code iterator.
2099         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2100         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2101         (bswap rotatert splitter): Add splitter.
2102         (bswap splitter): Macroize splitter using any_rotate code iterator.
2103         Add insn predicate to split only for TARGET_USE_XCHGB or when
2104         optimizing function for size.
2105
2106 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2107
2108         * config/pa/pa.c (emit_move_sequence): Remove use of
2109         deleted variable flag_argument_noalias.
2110
2111 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2112
2113         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2114         configurations.
2115         Add to unsupported targets list.
2116         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2117         sparc*-sun-solaris2.[567]* from target lists.
2118         * configure: Regenerate.
2119         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2120         removal.
2121         Remove Solaris 7 patch references.
2122         (Specific, sparc-sun-solaris2.7): Removed.
2123         (sparc-sun-solaris2*): Update Solaris 7 example.
2124         (sparc64-*-solaris2*): Likewise.
2125
2126 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2127
2128         * config.build (alpha*-dec-osf4*): Remove.
2129         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2130         of obsolete configurations.
2131         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2132         support.
2133         * config/alpha/t-osf4: Renamed to ...
2134         * config/alpha/t-osf5: ... this.
2135         * config/alpha/osf.h: Renamed to ...
2136         * config/alpha/osf5.h: ... this.
2137         Merged old osf5.h contents.
2138         Update comments.
2139         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2140         (EXTRA_SPECS): Removed.
2141         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2142         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2143         Document that.
2144
2145 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2146
2147         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2148
2149 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2150
2151         PR/43702
2152         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2153         __thiscall convention.
2154
2155 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2156
2157         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2158         orig_base.
2159         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2160
2161 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2162
2163         * function.c (assign_parms_initialize_all): Add unused attribute
2164         to fntype.
2165
2166 2010-04-12  Richard Guenther  <rguenther@suse.de>
2167
2168         * gsstruct.def (GSS_CALL): New.
2169         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2170         * gimple.h: Include tree-ssa-alias.h.
2171         (struct gimple_statement_call): New.
2172         (union gimple_statement_struct_d): Add gimple_call member.
2173         (gimple_call_reset_alias_info): Declare.
2174         (gimple_call_use_set): New function.
2175         (gimple_call_clobber_set): Likewise.
2176         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2177         * gimple.c (gimple_call_reset_alias_info): New function.
2178         (gimple_build_call_1): Call it.
2179         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2180         * tree-inline.c (remap_gimple_stmt): Likewise.
2181         (expand_call_inline): Remove callused handling.
2182         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2183         * tree-dfa.c (dump_variable): Likewise.
2184         * tree-parloops.c (parallelize_loops): Likewise.
2185         * tree-ssa.c (init_tree_ssa): Likewise.
2186         (delete_tree_ssa): Likewise.
2187         * tree-flow-inline.h (is_call_used): Remove.
2188         * tree-flow.h (struct gimple_df): Remove callused member.
2189         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2190         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2191         (ref_maybe_used_by_call_p_1): Simplify.
2192         (call_may_clobber_ref_p_1): Likewise.
2193         * tree-ssa-structalias.c (compute_points_to_sets): Set
2194         the call stmt used and clobbered sets.
2195         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2196         (find_tail_calls): Verify the tail call.
2197
2198 2010-04-12  Richard Guenther  <rguenther@suse.de>
2199
2200         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2201         single-iteration always-inline inlining.
2202         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2203         (cgraph_decide_inlining): Do not handle always-inline specially.
2204         (try_inline): Remove always-inline cycle detection special case.
2205         Do not recurse on always-inlines.
2206         (cgraph_early_inlining): Do not iterate if not optimizing.
2207         (cgraph_gate_early_inlining): remove.
2208         (pass_early_inline): Run unconditionally.
2209         (gate_cgraph_decide_inlining): New function.
2210         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2211         not inlining or optimizing.
2212         (cgraph_decide_inlining_of_small_functions): Also consider
2213         always-inline functions.
2214         (cgraph_default_inline_p): Return true for nodes which should
2215         disregard inline limits.
2216         (estimate_function_body_sizes): Assume zero size and time for
2217         nodes which are marked as disregarding inline limits.
2218         (cgraph_decide_recursive_inlining): Do not perform recursive
2219         inlining on always-inline nodes.
2220
2221 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2222
2223         PR bootstrap/43699
2224         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2225         for exprs satisfying handled_component_p.
2226
2227 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2228
2229         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2230         non-constant aggregate elements.
2231
2232         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2233         is a real initialization.
2234
2235 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2236
2237         PR c/36774
2238         * c-decl.c (start_function): Move forward check for nested function.
2239
2240 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2241
2242         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2243         * config/sh/sh.c: Include reload.h.
2244         (sh_legitimize_reload_address): New.
2245         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2246         sh_legitimize_reload_address.
2247
2248 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2249
2250         * config/sh/sh.md (*movqi_pop): New insn pattern.
2251         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2252
2253 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2254
2255         * config/i386/i386.md (any_shiftrt): New code iterator.
2256         (shiftrt_insn): New code attribute.
2257         (shiftrt): Ditto.
2258         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2259         using any_shiftrt code iterator.
2260         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2261         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2262         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2263         pattern from corresponding peephole2 patterns.
2264         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2265         using any_shiftrt code iterator.
2266         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2267         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2268         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2269         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2270         *{ashr,lshr}<mode>3_cmp_zext.
2271         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2272
2273 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2274
2275         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2276         scratch register.
2277         (*lshr<mode>3_cconly): Ditto.
2278
2279 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2280
2281         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2282         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2283         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2284         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2285         DWI mode iterator.
2286         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2287         from corresponding peephole2 patterns.
2288         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2289         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2290         and *lshrdi3_1_rex64 using SWI mode iterator.
2291         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2292         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2293         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2294         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2295         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2296         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2297         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2298         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2299         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2300         SWI mode iterator.
2301
2302 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2303
2304         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2305         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2306         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2307         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2308         DWI mode iterator.
2309         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2310         from corresponding peephole2 patterns.
2311         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2312         (ashrsi3_cvt): Rename from ashrsi3_31.
2313         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2314         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2315         and x86_64_shift_adj_3 using SWI48 mode iterator.
2316         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2317         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2318         and *ashrdi3_1_rex64 using SWI mode iterator.
2319         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2320         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2321         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2322         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2323         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2324         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2325         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2326         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2327         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2328         SWI mode iterator.
2329         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2330         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2331         x86_shift<mode>_adj_3 expanders.
2332
2333 2010-04-10  Wei Guozhi  <carrot@google.com>
2334
2335         PR target/42601
2336         * config/arm/arm.c (arm_pic_static_addr): New function.
2337         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2338         a static symbol.
2339         (arm_output_addr_const_extra): Output expression for new pattern.
2340         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2341
2342 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2343
2344         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2345         not enabled.
2346
2347         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2348         * web.c: Include "insn-config.h" and "recog.h".
2349         (union_match_dups): New function.
2350         (web_main): Call it.
2351         (union_defs): Don't try to recognize match_dups.
2352
2353         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2354         if doing so would replace the entire pattern.
2355
2356 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2357
2358         PR target/43707
2359         PR target/43709
2360         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2361         and splitter pattern.  Change splitter operand 1 predicate to
2362         nonmemory_operand.
2363
2364 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2365
2366         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2367         lattices are addresses of CONST_DECLs with the same initial value.
2368         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2369         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2370
2371 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2372             Bernd Schmidt  <bernds@codesourcery.com>
2373
2374         * loop-invariant.c (replace_uses): New static function.
2375         (move_invariant_reg): Use it to ensure we can replace the uses.
2376
2377 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2378
2379         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2380         function template.
2381         (picochip_override_options): Enable section anchors only above -O1.
2382         (picochip_reorg): Fixed a couple of build warnings.
2383
2384 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2385
2386         * configure.ac (plugin -rdynamic test): Log result.
2387         * configure: Regenerate.
2388         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2389         (RDYNAMIC_SPEC): Define.
2390         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2391
2392 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2393
2394         * configure.ac: Determine Sun ld version numbers.
2395         (comdat_group): Restrict GNU ld version checks to gld.
2396         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2397         (enable_comdat): Support --enable-comdat.
2398         * configure: Regenerate.
2399         * doc/install.texi (Configuration): Document --enable-comdat.
2400
2401 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2402
2403         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2404         * config/sol2-gld.h: ... here.
2405         * config.gcc (sparc*-*-solaris2*): Reflect this.
2406         (i[34567]86-*-solaris2*): Use it.
2407
2408 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2409
2410         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2411         setup_clocks_p.
2412         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2413
2414 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2415
2416         PR 42965
2417         * diagnostic.c (diagnostic_initialize): Initialize
2418         some_warnings_are_errors.
2419         (diagnostic_finish): New.
2420         (diagnostic_action_after_output): Call it before exiting.
2421         (diagnostic_report_diagnostic): Do not print message here. Set
2422         some_warnings_are_errors.
2423         * diagnostic.h (diagnostic_context): Delete
2424         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2425         (diagnostic_finish): Declare.
2426         * toplev.c (toplev_main): Call it before exit.
2427
2428 2010-04-09  Jason Merrill  <jason@redhat.com>
2429
2430         PR c++/42623
2431         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2432         for incomplete type.
2433
2434         PR c++/41788
2435         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2436         based on a warning flag.
2437
2438 2010-04-09  Richard Guenther  <rguenther@suse.de>
2439
2440         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2441
2442 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2443
2444         PR bootstrap/43684
2445         * varasm.c (default_assemble_visibility): Wrap vars that are
2446         set, but unused, by targets without GAS.
2447         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2448         Remove set, but unused, vars.
2449         (rs6000_legitimize_tls_address): Likewise.
2450         (altivec_expand_dst_builtin): Likewise.
2451         * config/darwin.c (machopic_classify_symbol): Likewise.
2452         (machopic_indirection_name): Likewise.
2453
2454 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2455
2456         * config/i386/i386.md (DWI): New mode iterator.
2457         (S): New mode attribute.
2458         (shift_operand): Ditto.
2459         (shift_immediate_operand): Ditto.
2460         (ashl_input_operand): Ditto.
2461         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2462         using SDWIM mode iterator.
2463         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2464         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2465         DWI mode iterator.
2466         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2467         from corresponding peephole2 patterns.
2468         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2469         and x86_64_shift_adj_1 using SWI48 mode iterator.
2470         (x86_shift<mode>_adj_2): Ditto.
2471         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2472         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2473         using SWI48 mode iterator.
2474         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2475         *ashldi3_cmp_rex64 using SWI mode iterator.
2476         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2477         *ashldi3_cconly_rex64 using SWI mode iterator.
2478         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2479         x86_shift<mode>_adj_{1,2}.
2480         (ix86_split_ashr): Ditto.
2481         (ix86_split_lshr): Ditto.
2482
2483 2010-04-09  Richard Guenther  <rguenther@suse.de>
2484
2485         * target.h (builtin_conversion): Pass in input and output types.
2486         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2487         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2488         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2489         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2490
2491         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2492         Handle AVX modes.
2493         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2494
2495 2010-04-09  Richard Guenther  <rguenther@suse.de>
2496
2497         PR target/43152
2498         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2499
2500 2010-04-09  Richard Guenther  <rguenther@suse.de>
2501
2502         * tree-vectorizer.h (struct _stmt_vec_info): Document
2503         that vectype is the type of the LHS.
2504         (supportable_widening_operation, supportable_narrowing_operation):
2505         Get both input and output vector types as arguments.
2506         (vect_is_simple_use_1): Declare.
2507         (get_same_sized_vectype): Likewise.
2508         * tree-vect-loop.c (vect_determine_vectorization_factor):
2509         Set STMT_VINFO_VECTYPE to the vector type of the def.
2510         (vectorizable_reduction): Adjust.
2511         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2512         Adjust.  Specify the output vector type.
2513         (vect_pattern_recog_1): Adjust.
2514         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2515         (vectorizable_call): Adjust.
2516         (vectorizable_conversion): Likewise.
2517         (vectorizable_operation): Likewise.
2518         (vectorizable_type_demotion): Likewise.
2519         (vectorizable_type_promotion): Likewise.
2520         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2521         the def.
2522         (vect_is_simple_use_1): New function.
2523         (supportable_widening_operation): Get both input and output
2524         vector types.
2525         (supportable_narrowing_operation): Likewise.
2526         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2527
2528 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2529
2530         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2531         __thiscall and _thiscall as predefined macros.
2532         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2533         thiscall attribute handling.
2534         (ix86_comp_type_attributes): Likewise.
2535         (ix86_function_regparm): Likewise.
2536         (ix86_return_pops_args): Likewise.
2537         (init_cumulative_args): Likewise.
2538         (find_drap_reg): Likewise.
2539         (ix86_static_chain): Likewise.
2540         (x86_this_parameter): Likewise.
2541         (x86_output_mi_thunk): Likewise.
2542         (ix86_attribute_table): Add description for thiscall attribute.
2543         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2544         * doc/extend.texi: Add documentation for thiscall.
2545
2546 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2547
2548         PR c++/28584
2549         * c.opt (Wint-to-pointer-cast): Available in C++.
2550         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2551
2552 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2553
2554         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2555         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2556         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2557         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2558         function type instead.  Reorder and simplify checks.
2559
2560         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2561
2562 2010-04-08  Jing Yu  <jingyu@google.com>
2563             Zdenek Dvorak  <ook@ucw.cz>
2564
2565         PR tree-optimization/42720
2566         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2567         loop unswitch conditions here from ...
2568         (tree_unswitch_single_loop): ... here.
2569
2570 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2571
2572         * tree-if-conv.c: Fix comments and simplify logic.
2573
2574 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2577         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2578         (main_tree_if_conversion): Update call to tree_if_conversion.
2579
2580 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2581
2582         PR 42485
2583         * doc/invoke.texi (-b,-V): Delete.
2584         * doc/tm.texi: Do not mention -b.
2585         * gcc.c (display_help): Delete -b and -V.
2586         (process_command): Delete -b and -V.
2587         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2588
2589 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2590             Wolfgang Gellerich  <gellerich@de.ibm.com>
2591
2592         Implement target hook for loop unrolling
2593         * target.h (loop_unroll_adjust): Add a new target hook function.
2594         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2595         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2596         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2597         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2598         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2599         target hook.
2600         (decide_unroll_stupid): Likewise.
2601
2602 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2603
2604         PR target/43643
2605         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2606
2607 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2608
2609         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2610         (Specific, *-*-solaris2*): Likewise.
2611         Don't prefer Sun as over GNU as.
2612
2613 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2614
2615         * config/s390/s390.c (override_options): Adjust the z10
2616           defaults for max-unroll-times, max-completely-peeled-insns
2617           and max-completely-peel-times.
2618
2619 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2620
2621         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2622         instructions for z10.
2623         (s390_expand_setmem): Likewise.
2624         (s390_expand_cmpmem): Likewise.
2625
2626 2010-04-08  Richard Guenther  <rguenther@suse.de>
2627
2628         PR tree-optimization/43679
2629         * tree-ssa-pre.c (eliminate): Only propagate copies.
2630
2631 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2632
2633         PR bootstrap/43681
2634         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2635         set but not used variable warning.
2636
2637 2010-04-08  Wei Guozhi  <carrot@google.com>
2638
2639         PR target/41653
2640         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2641         (arm_size_rtx_costs): Call the new function when optimized for size.
2642
2643 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2644
2645         PR debug/43670
2646         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2647         op0 is not a MEM, just return NULL instead of assertion
2648         failure.
2649         (discover_nonconstant_array_refs): Don't walk debug stmts.
2650
2651 2010-04-08  Doug Kwan  <dougkwan@google.com>
2652
2653         * configure.ac: Recognize gold and do not use its version number
2654         to test ld features.
2655         * configure: Regenerate.
2656
2657 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2658
2659         PR middle-end/40815
2660         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2661         (negate_value): Move code to push elements to broken_up_substracts ...
2662         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2663         negative pair to plus_negates.
2664         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2665
2666 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2667
2668         * doc/install.texi (Configuration): Move description of
2669         --enable-lto, --with-libelf*, --enable-gold from Java section to
2670         general section.
2671
2672         * doc/generic.texi (Working with declarations)
2673         (Function Properties, C and C++ Trees): Fix typos.
2674         * doc/sourcebuild.texi (Top Level): Likewise.
2675
2676 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2677
2678         PR c/18624
2679         * tree.h (DECL_READ_P): Define.
2680         (struct tree_decl_common): Add decl_read_flag.
2681         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2682         a set but not used warning.
2683         (merge_decls): Merge DECL_READ_P flag.
2684         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2685         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2686         * c-common.c (handle_used_attribute, handle_unused_attribute):
2687         Likewise.
2688         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2689         New prototypes.
2690         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2691         New functions.
2692         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2693         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2694         c_parser_binary_expression, c_parser_cast_expression,
2695         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2696         Call default_function_array_read_conversion instead of
2697         default_function_array_conversion where needed.
2698         (c_parser_unary_expression, c_parser_conditional_expression,
2699         c_parser_postfix_expression_after_primary, c_parser_initelt):
2700         Likewise.  Call mark_exp_read where needed.
2701         (c_parser_statement_after_labels, c_parser_asm_operands,
2702         c_parser_typeof_specifier, c_parser_sizeof_expression,
2703         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2704         where needed.
2705         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2706         New.
2707         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2708         (warn_unused_but_set_parameter): Default to warn_unused
2709         && extra_warnings.
2710         * doc/invoke.texi: Document -Wunused-but-set-variable and
2711         -Wunused-but-set-parameter.
2712
2713         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2714         used count variable.
2715         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2716         when operandN variables aren't used in the body of the expander
2717         or splitter.
2718         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2719         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2720         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2721         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2722         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2723         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2724         * tree.c (PROCESS_ARG): Likewise.
2725
2726 2010-04-07  Simon Baldwin  <simonb@google.com>
2727
2728         * diagnostic.h (diagnostic_override_option_index): New macro to
2729         set a diagnostic's option_index.
2730         * c-tree.h (c_cpp_error): Add warning reason argument.
2731         * opts.c (_warning_as_error_callback): New.
2732         (register_warning_as_error_callback): Store callback for
2733         warnings enabled via enable_warning_as_error.
2734         (enable_warning_as_error): Call callback, minor code tidy.
2735         * opts.h (register_warning_as_error_callback): Declare.
2736         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2737         response to -Werror=.
2738         (c_common_init_options): Register warning_as_error_callback in opts.c.
2739         * common.opt: Add -Wno-cpp option.
2740         * c-common.c (struct reason_option_codes_t): Map cpp warning
2741         reason codes to gcc option indexes.
2742         * (c_option_controlling_cpp_error): New function, lookup the gcc
2743         option index for a cpp warning reason code.
2744         * (c_cpp_error): Add warning reason argument, call
2745         c_option_controlling_cpp_error for diagnostic_override_option_index.
2746         * doc/invoke.texi: Document -Wno-cpp.
2747
2748 2010-04-07  Richard Guenther  <rguenther@suse.de>
2749
2750         * ipa-reference.c (mark_load): Use get_base_address.
2751         (mark_store): Likewise.
2752
2753         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2754         inserting GIMPLE_NOPs into the IL.
2755         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2756         Explicitly strip handled components and indirect references.
2757
2758         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2759         folding address expressions.
2760         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2761         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2762         operand_equal_p to compare decls.
2763         (ptr_deref_may_alias_decl_p): Likewise.
2764         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2765         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2766         Handle reversed comparison ops.
2767         * tree-sra.c (asm_visit_addr): Use get_base_address.
2768         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2769         * ipa-reference.c (mark_address): Use get_base_address.
2770
2771 2010-04-07  Richard Guenther  <rguenther@suse.de>
2772
2773         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2774         Propagate constants everywhere.
2775
2776 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2777
2778         PR debug/43516
2779         * tree.c (MAX_INT_CACHED_PREC): Define.
2780         (nonstandard_integer_type_cache): New array.
2781         (build_nonstandard_integer_type): Cache results for precision
2782         <= MAX_INT_CACHED_PREC.
2783
2784 2010-04-07  Richard Guenther  <rguenther@suse.de>
2785
2786         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2787         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2788         * common.opt: Likewise.
2789         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2790         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2791         (nonoverlapping_memrefs_p): Likewise.
2792         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2793         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2794         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2795         OPT_fargument_noalias_global for backward compatibility.
2796
2797 2010-04-07  Richard Guenther  <rguenther@suse.de>
2798
2799         PR tree-optimization/43270
2800         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2801         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2802         * tree-ssa-pre.c (phi_translate_1): Adjust.
2803         (fully_constant_expression): Split out vn_reference handling to ...
2804         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2805         Fold reads from constant strings.
2806         (vn_reference_lookup): Handle fully constant references.
2807         (vn_reference_lookup_pieces): Likewise.
2808         * Makefile.in (expmed.o-warn): Add -Wno-error.
2809
2810 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2811
2812         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2813
2814 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2815
2816         PR driver/41594
2817         * gcc.c: Add -static-libstdc++ to list of recognized options.
2818
2819 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2820
2821         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2822
2823 2010-04-07  Richard Guenther  <rguenther@suse.de>
2824
2825         PR middle-end/42617
2826         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2827         bases build simple mem attributes to retain points-to information.
2828
2829 2010-04-07  Richard Guenther  <rguenther@suse.de>
2830
2831         PR middle-end/42617
2832         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2833         preserve points-to related information.
2834
2835 2010-04-07  Richard Guenther  <rguenther@suse.de>
2836
2837         PR middle-end/42617
2838         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2839         discard plain indirect references.
2840         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2841         * tree.c (tree_nop_conversion): Likewise.
2842
2843 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2844
2845         PR debug/43628
2846         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2847
2848 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2849
2850         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2851         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2852
2853 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2854
2855         * tree-if-conv.c: Fix indentation and comments.
2856
2857 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2858
2859         * tree-if-conv.c: Sort static functions in topological order.
2860
2861 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2862
2863         * tree-if-conv.c: Fix indentation and comments.
2864
2865 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2866
2867         PR middle-end/43519
2868         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2869         lang_hooks.types.type_for_size instead of
2870         build_nonstandard_integer_type.
2871         When converting an unsigned type to signed, double its precision.
2872         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2873         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2874         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2875         use lb <= ub.
2876
2877 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2878
2879         PR middle-end/43519
2880         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2881         POINTER_PLUS_EXPR for pointer types.
2882
2883 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2884
2885         PR middle-end/43519
2886         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2887         * graphite-clast-to-gimple.c: Include langhooks.h.
2888         (max_signed_precision_type): New.
2889         (max_precision_type): Takes two types as arguments.
2890         (precision_for_value): New.
2891         (precision_for_interval): New.
2892         (gcc_type_for_interval): New.
2893         (gcc_type_for_value): New.
2894         (gcc_type_for_clast_term): New.
2895         (gcc_type_for_clast_red): New.
2896         (gcc_type_for_clast_bin): New.
2897         (gcc_type_for_clast_expr): Split up into several functions.
2898         (gcc_type_for_clast_eq): Rewritten.
2899         (compute_bounds_for_level): New.
2900         (compute_type_for_level_1): New.
2901         (compute_type_for_level): New.
2902         (gcc_type_for_cloog_iv): Removed.
2903         (gcc_type_for_iv_of_clast_loop): Rewritten.
2904         (graphite_create_new_loop): Compute the lower and upper bound types
2905         with gcc_type_for_clast_expr.
2906         (graphite_create_new_loop_guard): Same.
2907         (find_cloog_iv_in_expr): Removed.
2908         (compute_cloog_iv_types_1): Removed.
2909         (compute_cloog_iv_types): Removed.
2910         (gloog): Do not call compute_cloog_iv_types.
2911         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2912         GBB_CLOOG_IV_TYPES.
2913         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2914         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2915         (GBB_CLOOG_IV_TYPES): Removed.
2916
2917 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2920         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2921         (detect_commutative_reduction): Same.
2922
2923 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2924
2925         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2926         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2927         argument.
2928         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2929         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2930         (rewrite_commutative_reductions_out_of_ssa): Same.
2931         * passes.c (execute_function_todo): Call verify_ssa for every pass
2932         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2933         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2934         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2935         with an extra argument.
2936         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2937         verify_ssa only when the extra argument is true.
2938         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2939         with an extra argument.
2940         (tree_transform_and_unroll_loop): Same.
2941
2942 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2943
2944         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2945         for all the passes of the LNO having LOOP_CLOSED_SSA.
2946         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2947         * tree-loop-distribution.c (pass_loop_distribution): Same.
2948         * tree-pass.h (TODO_verify_loops): Removed.
2949         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2950         (pass_lim): Same.
2951         (pass_tree_unswitch): Same.
2952         (pass_predcom): Same.
2953         (pass_vectorize): Same.
2954         (pass_linear_transform): Same.
2955         (pass_graphite_transforms): Same.
2956         (pass_iv_canon): Same.
2957         (pass_complete_unroll): Same.
2958         (pass_complete_unrolli): Same.
2959         (pass_parallelize_loops): Same.
2960         (pass_loop_prefetch): Same.
2961         (pass_iv_optimize): Same.
2962
2963 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2964
2965         PR middle-end/32824
2966         * passes.c (init_optimization_passes): Move pass_lim before
2967         pass_copy_prop and pass_dce_loop.
2968
2969 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2970
2971         PR target/43667
2972         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2973         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2974         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2975         MULTI_* defines for 4 argument vpermil2p* builtins.
2976
2977 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2978
2979         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2980         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2981         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2982         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2983         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2984         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2985         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2986         Use x86_maybe_negate_const_int to output insn mnemonic.
2987         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2988         check from instruction predicate.  Update comments.
2989         * config/i386/sync.md (sync_add<mode>): Use
2990         x86_maybe_negate_const_int to output insn mnemonic.
2991
2992 2010-04-06  Jan Hubicka  <jh@suse.cz>
2993
2994         PR tree-optimization/42906
2995         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2996         IGNORE_SELF argument.  Set visited_control_parents for fully
2997         processed BBs.
2998         (find_obviously_necessary_stmts): Update call of
2999         mark_control_dependent_edges_necessary.
3000         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3001
3002 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3003
3004         * config/i386/i386.md: Remove comment about 'e' and 'E'
3005         operand modifier.
3006
3007 2010-04-06  Richard Guenther  <rguenther@suse.de>
3008
3009         PR tree-optimization/43627
3010         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3011         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3012         not varying.
3013
3014 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3015
3016         * BASE-VER: Change to 4.6.0.
3017
3018         PR target/43638
3019         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3020         handling.
3021
3022 2010-04-06  Richard Guenther  <rguenther@suse.de>
3023
3024         PR middle-end/43661
3025         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3026
3027 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3028
3029         * doc/invoke.texi (Optimize Options): Document that LTO
3030         won't remove object access purely due to incompatible
3031         declarations.
3032
3033 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3034
3035         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3036         Initialize variable.
3037
3038 2010-04-03  Richard Guenther  <rguenther@suse.de>
3039
3040         PR middle-end/42509
3041         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3042         require a non-NULL MEM_OFFSET.
3043
3044 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3045
3046         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3047         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3048         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3049         config/alpha/predicates.md, config/arm/arm.md,
3050         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3051         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3052         config/darwin9.h, config/darwin.c, config/darwin.h,
3053         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3054         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3055         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3056         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3057         config/mips/mips.md, config/mn10300/mn10300.c,
3058         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3059         config/rs6000/aix.h, config/rs6000/dfp.md,
3060         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3061         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3062         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3063         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3064         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3065         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3066         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3067         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3068         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3069         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3070         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3071         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3072         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3073         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3074         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3075         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3076         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3077         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3078         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3079         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3080         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3081         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3082         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3083         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3084         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3085         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3086         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3087         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3088         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3089         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3090         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3091         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3092         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3093         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3094         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3095         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3096
3097 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3098
3099         PR other/43620
3100         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3101         * aclocal.m4: Regenerate.
3102
3103 2010-04-02  Richard Guenther  <rguenther@suse.de>
3104
3105         PR tree-optimization/43629
3106         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3107         if we have seen a constant value.
3108
3109 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3110
3111         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3112
3113 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3114
3115         PR target/43469
3116         * arm.c (legitimize_tls_address): Adjust call to
3117         gen_tls_load_dot_plus_four.
3118         (arm_note_pic_base): New function.
3119         (arm_cannot_copy_insn_p): Use it.
3120         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3121         constraint.
3122
3123 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3124
3125         PR bootstrap/43531
3126
3127         Revert:
3128         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3129
3130         * Makefile.in ($(out_object_file)): Depend on
3131         gt-$(basename $(notdir $(out_file))).h.
3132
3133 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3134
3135         * config.gcc (lm32-*-rtems*): Add t-lm32.
3136
3137 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3138
3139         * config.gcc: Add lm32-*-rtems*.
3140         * config/lm32/rtems.h: New file.
3141
3142 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3143
3144         PR target/42609
3145         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3146
3147 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3148
3149         * dwarf2out.c (output_compilation_unit_header): For
3150         -gdwarf-4 use version 4 instead of version 3.
3151         (output_line_info): For version 4 and above emit additional
3152         maximum ops per insn header field.
3153         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3154
3155         * dwarf2out.c (is_c_family, is_java): Remove.
3156         (lower_bound_default): New function.
3157         (add_bound_info, gen_descr_array_type_die): Use it.
3158
3159 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3160
3161         PR debug/43325
3162         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3163         re-declaration when it happens in a function.
3164
3165 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3166
3167         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3168         (cgraph_remove_function_insertion_hook): Same.
3169         (cgraph_call_function_insertion_hooks): Same.
3170
3171 2010-04-01  Richard Guenther  <rguenther@suse.de>
3172
3173         PR middle-end/43614
3174         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3175         and TREE_THIS_VOLATILE.
3176         (copy_ref_info): Likewise.
3177         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3178         * tree.c (build6_stat): Ignore side-effects of all but arg5
3179         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3180         TARGET_MEM_REF.
3181
3182 2010-04-01  Richard Guenther  <rguenther@suse.de>
3183
3184         PR tree-optimization/43607
3185         * ipa-type-escape.c (check_call): Do not access non-existing
3186         arguments.
3187
3188 2010-04-01  Richard Guenther  <rguenther@suse.de>
3189
3190         PR middle-end/43602
3191         Revert
3192         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3193                     Jack Howarth <howarth@bromo.med.uc.edu>
3194
3195         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3196         variables TLS.
3197
3198 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3199
3200         * doc/install.texi (Prerequisites): Document libelf usability on
3201         IRIX 5/6 and Solaris 2.
3202         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3203         Update GNU as, GNU ld requirements.
3204         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3205         Document Sun Studio compiler download.
3206         Update and simplify as, ld recommendations.
3207         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3208
3209 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3210
3211         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3212         with_tune_32 to pentium4.
3213
3214 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3215
3216         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3217
3218 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3219
3220         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3221         obsoletion, removal.
3222         Update IDO URL.
3223         Document GNU as requirement.
3224         Update configure requirements.
3225         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3226         Recomment IRIX 6.5.18+.
3227         Document IDF/IDL requirement.
3228         Document GNU as requirement.
3229         Document GNU ld bootstrap failure.
3230         Remove freeware.sgi.com reference.
3231
3232 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3233
3234         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3235         UNIX V4.0, V5.0 obsoletion, removal.
3236         Remove --with-gc=simple reference.
3237         Update VM requirements during bootstrap.
3238         Remove -oldas bootstrap description.
3239         Update binutils reference.
3240         Remove comparison failure note.
3241
3242 2010-03-31  Richard Guenther  <rguenther@suse.de>
3243             Zdenek Dvorak  <ook@ucw.cz>
3244             Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         PR middle-end/43464
3247         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3248         with multiple arguments.
3249         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3250
3251 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3252
3253         * graphite-dependences.c (print_pddr): Call print_pdr with an
3254         extra argument.
3255         * graphite-poly.c (debug_pdr): Add an extra argument for the
3256         verbosity level.
3257         (print_pdr): Same.
3258         (print_pbb_domain): Same.
3259         (print_pbb): Same.
3260         (print_scop_context): Same.
3261         (print_scop): Same.
3262         (print_cloog): Same.
3263         (debug_pbb_domain): Same.
3264         (debug_pbb): Same.
3265         (print_pdrs): Same.
3266         (debug_pdrs): Same.
3267         (debug_scop_context): Same.
3268         (debug_scop): Same.
3269         (debug_cloog): Same.
3270         (print_scop_params): Same.
3271         (debug_scop_params): Same.
3272         (print_iteration_domain): Same.
3273         (print_iteration_domains): Same.
3274         (debug_iteration_domain): Same.
3275         (debug_iteration_domains): Same.
3276         (print_scattering_function): Same.
3277         (print_scattering_functions): Same.
3278         (debug_scattering_function): Same.
3279         (debug_scattering_functions): Same.
3280         * graphite-poly.h (debug_pdr): Update declaration.
3281         (print_pdr): Same.
3282         (print_pbb_domain): Same.
3283         (print_pbb): Same.
3284         (print_scop_context): Same.
3285         (print_scop): Same.
3286         (print_cloog): Same.
3287         (debug_pbb_domain): Same.
3288         (debug_pbb): Same.
3289         (print_pdrs): Same.
3290         (debug_pdrs): Same.
3291         (debug_scop_context): Same.
3292         (debug_scop): Same.
3293         (debug_cloog): Same.
3294         (print_scop_params): Same.
3295         (debug_scop_params): Same.
3296         (print_iteration_domain): Same.
3297         (print_iteration_domains): Same.
3298         (debug_iteration_domain): Same.
3299         (debug_iteration_domains): Same.
3300         (print_scattering_function): Same.
3301         (print_scattering_functions): Same.
3302         (debug_scattering_function): Same.
3303         (debug_scattering_functions): Same.
3304
3305 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3306
3307         * graphite-poly.c (print_scattering_function_1): New.
3308         (print_scattering_function): Call it.
3309         (print_scop_params): Remove spaces at the end of lines.
3310         (print_cloog): New.
3311         (debug_cloog): New.
3312         * graphite-poly.h (print_cloog): Declared.
3313         (debug_cloog): Declared.
3314
3315 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3316
3317         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3318         in loop->header.
3319         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3320         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3321         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3322         to switch between adding the IV bump in loop->latch or in loop->header.
3323
3324 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3325
3326         * graphite-poly.c (print_scattering_function): Pretty print following
3327         the scoplib format.
3328         (print_pdr): Same.
3329         (print_pbb_domain): Same.
3330         (dump_gbb_cases): Same.
3331         (dump_gbb_conditions): Same.
3332         (print_pdrs): Same.
3333         (print_pbb): Same.
3334         (print_scop_params): Same.
3335         (print_scop_context): Same.
3336         (print_scop): Same.
3337         (print_pbb_body): New.
3338         (lst_indent_to): New.
3339         (print_lst): Start new lines with a #.
3340         * graphite-poly.h (pbb_bb): New.
3341         (pbb_index): Use pbb_bb.
3342         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3343         disjuncts.
3344         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3345
3346 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3347
3348         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3349         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3350         and 0 instead of 1 for dw_val_class_flag.
3351         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3352         dw_val_class_range_list, dw_val_class_loc_list,
3353         dw_val_class_lineptr and dw_val_class_macptr, use
3354         DW_FORM_flag_present for dw_val_class_flag and
3355         DW_FORM_exprloc for dw_val_class_loc.
3356         (output_die): For -gdwarf-4 print dw_val_class_loc
3357         size as uleb128 instead of 1 or 2 bytes and don't print
3358         anything for dw_val_class_flag.
3359
3360         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3361         instead of cselib_lookup following by tweaking locs->setting_insn.
3362
3363         PR bootstrap/43596
3364         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3365         even before returning from label, setjmp call or volatile asm
3366         handling.
3367
3368 2010-03-31  Richard Guenther  <rguenther@suse.de>
3369
3370         PR middle-end/43600
3371         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3372         temporary data on stack.
3373
3374 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3375
3376         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3377         (PUSHSECTION_ASM_OP): Remove.
3378         (POPSECTION_ASM_OP): Remove.
3379         (PUSHSECTION_FORMAT): Remove.
3380         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3381         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3382         * config/sol2.c (solaris_output_init_fini): Use it.
3383
3384 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3385
3386         PR 43574
3387         * opt-functions.awk (var_type_struct): Use signed char type
3388         for simple variables.
3389
3390 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3391
3392         * config/sol2.c: Include output.h.
3393         (solaris_assemble_visibility): New function.
3394         * config/t-sol2 (sol2.o): Add output.h dependency.
3395         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3396         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3397         Redefine.
3398
3399 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR target/43580
3402         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3403         V2SImode or XFmode on PRE_DEC.
3404
3405         PR debug/43557
3406         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3407         BLKmode.
3408
3409 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3410
3411         PR 43562
3412         * reload.h (caller_save_initialized_p): Declare.
3413         * toplev.c (backend_init_target): Don't call
3414         init_caller_save but set caller_save_initialized_p to false.
3415         * caller-save.c (caller_save_initialized_p): Define.
3416         (init_caller_save): Check caller_save_initialized_p.
3417         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3418
3419 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3420
3421         PR target/39048
3422         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3423         and soft-fp/t-softfp to tmake_file.
3424         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3425         (LIBGCC2_TF_CEXT): Define.
3426         (TF_SIZE): Define.
3427
3428 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3429
3430         PR debug/42977
3431         * cselib.c (n_useless_values): Document handling of debug locs.
3432         (n_useless_debug_values, n_debug_values): New variables.
3433         (new_elt_loc_list): Don't add to debug values, keep count.
3434         (promote_debug_loc): New.
3435         (cselib_reset_table): Zero new variables.
3436         (entry_and_rtx_equal_p): Promote debug locs.
3437         (discard_useless_locs): Increment n_useless_debug_values for
3438         debug values.
3439         (remove_useless_values): Adjust n_useless_values and n_debug_values
3440         with n_useless_debug_values.
3441         (add_mem_for_addr): Promote debug locs.
3442         (cselib_lookup_mem): Likewise.
3443         (cselib_lookup_addr): Renamed to...
3444         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3445         (cselib_log_lookup): ... this.  Turn into...
3446         (cselib_lookup_addr): ... new wrapper.
3447         (cselib_lookup_from_insn): New.
3448         (cselib_invalidate_regno): Increment n_useless_debug_values for
3449         debug values.
3450         (cselib_invalidate_mem): Likewise.
3451         (cselib_process_insn): Take n_deleted and n_debug_values into
3452         account to guard remove_useless_value call.
3453         (cselib_finish): Zero n_useless_debug_values.
3454         * cselib.h (cselib_lookup_from_insn): Declare.
3455         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3456         (sched_analyze_2): Likewise.
3457
3458 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3459
3460         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3461         functions.
3462         (adjust_mems): Replace narrowing SUBREG of expression containing
3463         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3464         with operations in the narrower mode.
3465
3466         PR debug/43593
3467         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3468         regs_invalidated_by_call instead all call_used_reg_set registers.
3469
3470 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3471
3472         PR middle-end/43430
3473         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3474         pointer comparisons with types_compatible_p.
3475         * tree-vect-stmts.c (vectorizable_call): Same.
3476         (vectorizable_condition): Same.
3477
3478 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3479
3480         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3481         stack check if the mask would be zero.
3482
3483 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3484             Jack Howarth <howarth@bromo.med.uc.edu>
3485
3486         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3487         variables TLS.
3488
3489 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3490
3491         PR other/25232
3492         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3493         and __unordtf2.
3494         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3495         Include ___unordxf2 and ___unordtf2.
3496         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3497         GCC_4.4.0 here.
3498
3499 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3500
3501         * config/lm32/t-lm32: New file.
3502         * config.gcc: Use the above file when targetting lm32.
3503
3504 2010-03-28  Duncan Sands  <baldrick@free.fr>
3505
3506         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3507
3508 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3509
3510         PR middle-end/43431
3511         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3512         Improve vectorization cost model diagnostic.
3513
3514 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3515
3516         PR middle-end/43436
3517         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3518         compute_data_dependences_for_loop returns false, early exit
3519         and output an extra diagnostic for the failed data reference
3520         analysis.
3521
3522 2010-03-29  Richard Guenther  <rguenther@suse.de>
3523
3524         PR tree-optimization/43560
3525         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3526         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3527
3528 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3529
3530         PR 43564
3531         * toplev.c (process_options): Set optimization_default_node
3532         and optimization_current_node.
3533         * opts.c (decode_options): Don't set optimization_default_node
3534         and optimization_current_node.
3535
3536 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3537
3538         * config/rtems.h: Abandon -qrtems_debug.
3539
3540 2010-03-28  Jan Hubicka  <jh@suse.cz>
3541
3542         PR tree-optimization/43505
3543         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3544         map should not be copied.
3545
3546 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3547
3548         PR middle-end/41674
3549         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3550         cdtors, set DECL_PRESERVE_P.
3551         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3552         should be preseved.
3553
3554 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3555
3556         PR tree-optimization/43528
3557         * stor-layout.c (place_field): Check that constant fits into
3558         unsigned HWI when skipping calculation of MS bitfield layout.
3559
3560 2010-03-27  Jan Hubicka  <jh@suse.cz>
3561
3562         PR middle-end/43391
3563         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3564         notice_global_symbol work.
3565
3566 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3567
3568         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3569         instead of dwarf2out_decl.
3570         (struct var_loc_node): Remove section_label field.
3571         (dwarf2out_function_decl): New function.
3572         (dwarf2out_var_location): Don't set section_label field.
3573         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3574
3575 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3576
3577         PR tree-optimization/43544
3578         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3579         First argument for builtin vectorized function hook is now a
3580         tree to be able to distinguish between machine specific and
3581         standard builtins.
3582         * targhooks.c (default_builtin_vectorized_function): Ditto.
3583         * targhooks.h (default_builtin_vectorized_function): Ditto.
3584         * target.h (struct gcc_target): Ditto.
3585         * tree-vect-stmts.c (vectorizable_function): Ditto.
3586         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3587         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3588         Ditto.
3589
3590 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3591
3592         PR c/43381
3593         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3594         nested binding iff it is a FUNCTION_DECL.
3595         (store_parm_decls_newstyle): Pass nested=true to bind for
3596         FUNCTION_DECLs amongst parameters.
3597
3598 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3599
3600         * var-tracking.c (vt_expand_loc_callback): Don't run
3601         cselib_expand_value_rtx_cb in dummy mode if
3602         cselib_dummy_expand_value_rtx_cb returned false.
3603
3604         * var-tracking.c (emit_note_insn_var_location): For one part
3605         notes with offset 0, don't add EXPR_LIST around the location.
3606         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3607         add_location_or_const_value_attribute): Adjust for that change.
3608
3609         PR debug/43540
3610         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3611         into first operand and location into second.
3612         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3613         dw_cfi_oprnd_loc for DW_CFA_expression.
3614         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3615         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3616         assume first argument is regnum and second argument is location.
3617
3618 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3619
3620         PR target/42113
3621         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3622         of scratch register to DImode.  Split to DImode comparison operator.
3623         Use SImode subreg of scratch register in the multiplication.
3624         (*cmp_sadd_sidi): Ditto.
3625         (*cmp_ssub_si): Ditto.
3626         (*cmp_ssub_sidi): Ditto.
3627
3628 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3629
3630         PR target/43524
3631         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3632         Remove invalid assert and wrong comment.
3633
3634 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3635
3636         PR debug/43516
3637         * flags.h (final_insns_dump_p): New extern.
3638         * final.c (final_insns_dump_p): New variable.
3639         (rest_of_clean_state): Set it before -fdump-final-insns=
3640         dumping, clear afterwards.
3641         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3642         MEM_ALIAS_SET on MEMs.
3643
3644 2010-03-26  David S. Miller  <davem@davemloft.net>
3645
3646         * configure.ac: Fix sparc GOTDATA_OP bug check.
3647         * configure: Rebuild.
3648
3649 2010-03-26  Alan Modra  <amodra@gmail.com>
3650
3651         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3652
3653 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3654
3655         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3656         TLS_SECTION_ASM_FLAG.
3657
3658 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3659
3660         PR bootstrap/43511
3661         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3662         Clear first_function_block_is_cold.
3663
3664         PR c/43385
3665         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3666         argument if the argument is truth_value_p.
3667
3668 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3669
3670         * config/rs6000/constraints.md: Update copyright year for my changes.
3671
3672         PR target/43484
3673         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3674         used in reg+reg addressing, swap registers.
3675
3676 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3677
3678         PR debug/43293
3679         * target.h (struct gcc_target): Add code_end hook.
3680         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3681         if not yet defined.
3682         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3683         * toplev.c (compile_file): Call targetm.asm_out.code_end
3684         hook before unwind info/debug info output.
3685         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3686         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3687         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3688         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3689         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3690         * config/i386/i386.c (ix86_file_end): Renamed to...
3691         (ix86_code_end): ... this.  Make static.  Don't call
3692         file_end_indicate_exec_stack.  Emit unwind info using
3693         final_start_function/final_end_function.
3694         (darwin_x86_file_end): Remove.
3695         (TARGET_ASM_CODE_END): Define.
3696         * config/i386/i386.h (TARGET_ASM_FILE_END,
3697         NEED_INDICATE_EXEC_STACK): Don't define.
3698         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3699         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3700         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3701         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3702
3703         PR target/43498
3704         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3705         at the beginning and final_end_function at the end.
3706         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3707
3708 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3709
3710         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3711         and Sun as TLS syntax.
3712         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3713         * configure: Regenerate.
3714         * config.in: Regenerate.
3715         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3716         (default_elf_asm_named_section): Use it.
3717         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3718         (i386_output_dwarf_dtprel): Likewise.
3719         (output_addr_const_extra): Likewise.
3720         (output_pic_addr_const): Lowercase @GOTTPOFF.
3721         (output_addr_const_extra): Likewise.
3722         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3723         (output_addr_const_extra): Likewise.
3724         (output_pic_addr_const): Lowercase @INDNTPOFF.
3725         (output_addr_const_extra): Likewise.
3726         (output_pic_addr_const): Lowercase @NTPOFF.
3727         (output_addr_const_extra): Likewise.
3728         (output_pic_addr_const): Lowercase @TPOFF.
3729         (output_addr_const_extra): Likewise.
3730         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3731         (*tls_global_dynamic_64): Likewise.
3732         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3733         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3734
3735         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3736         (ASM_OUTPUT_TLS_COMMON): Use it.
3737         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3738
3739         PR target/38118
3740         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3741         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3742         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3743         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3744         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3745         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3746
3747 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3748
3749         * config/i386/i386.c (override_options): Don't accept
3750         -mtls-dialect=sun any longer.
3751         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3752         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3753         (*tls_local_dynamic_base_32_sun): Likewise.
3754         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3755
3756 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3757
3758         PR debug/43508
3759         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3760         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3761
3762         PR debug/43479
3763         * ira.c (adjust_cleared_regs): New function.
3764         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3765
3766         PR debug/19192
3767         PR debug/43479
3768         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3769         from gimple_block.
3770         * expr.c (expand_expr_real): Restore previous
3771         curr_insn_source_location and curr_insn_block after
3772         expand_expr_real_1 call.
3773         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3774         instead of expand_expr_real_1.
3775
3776 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3777
3778         PR rtl-optimization/43413
3779         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3780         hard regs too.
3781
3782 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3783
3784         PR target/43348
3785         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3786         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3787
3788 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3789
3790         * config/i386/i386.c (ix86_target_string): Add -mfma.
3791         Fix a typo in comment.
3792
3793 2010-03-22  Mike Stump  <mikestump@comcast.net>
3794
3795         PR target/23071
3796         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3797         Don't overly align based upon packed packed fields.
3798
3799 2010-03-22  Jason Merrill  <jason@redhat.com>
3800
3801         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3802         Use () rather than [], and move before the element type.
3803
3804 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3805
3806         * doc/configfiles.texi (Configuration Files): Removed
3807         fixinc/Makefile*, intl/Makefile.*.
3808         * doc/makefile.texi: Fixed markup. Abstract from version
3809         control system used.
3810         (Makefile): Removed obsolete gcc/java/parse.y example.
3811         * doc/sourcebuild.texi: Likewise.
3812         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3813         libgomp, libssp.  Removed fastjar.
3814         (Miscellaneous Docs): Clarify location.
3815         Added COPYING3, COPYING3.LIB.
3816         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3817
3818 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3819
3820         PR target/38085
3821         * config/i386/i386.c (x86_function_profiler)
3822         [!NO_PROFILE_COUNTERS]: Fix typo.
3823         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3824         instead of callq.
3825
3826 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3827             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3828
3829         * doc/sourcebuild.texi (Test Directives): Split into six
3830         subsections, with most of the current text in new subsections
3831         Directives, Selectors, and Final Actions.
3832         (Directives): Split list of test directives into multiple
3833         subsubsections.
3834         (Selectors): Describe use and syntax of selectors.
3835         (Effective-Target Keywords): Describe all existing keywords.
3836         (Add Options): Describe features for dg-add-options.
3837         (Require Support): Describe variants of dg-require-support.
3838         (Final Actions): Describe commands to use in dg-final.
3839
3840 2010-03-22  Michael Matz  <matz@suse.de>
3841
3842         PR middle-end/43475
3843         * recog.c (validate_replace_rtx_group): Replace also in
3844         REG_EQUAL and REG_EQUIV notes.
3845
3846 2010-03-22  Richard Guenther  <rguenther@suse.de>
3847
3848         PR tree-optimization/43390
3849         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3850         sure vector extracts are type correct.
3851
3852 2010-03-22  Richard Guenther  <rguenther@suse.de>
3853
3854         PR middle-end/40106
3855         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3856         x * sqrt (x) even when optimizing for size if the target
3857         has native support for sqrt.
3858
3859 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3860
3861         * varasm.c (make_decl_rtl_for_debug): Also clear
3862         flag_mudflap for the duration of make_decl_rtl call.
3863
3864         PR debug/43443
3865         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3866         locs from preserved VALUEs.
3867
3868 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3869
3870         PR middle-end/42718
3871         * pa.md (movmemsi): Set align to one if zero.
3872         (movmemdi): Likewise.
3873
3874 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3875
3876         PR target/42321
3877         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3878         with their corresponding prologue pushes.
3879
3880 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3881
3882         PR target/43156
3883         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3884         at the begining or end.
3885         (spu_expand_epilogue): Likewise.
3886
3887 2010-03-20  Richard Guenther  <rguenther@suse.de>
3888
3889         PR rtl-optimization/43438
3890         * combine.c (make_extraction): Properly zero-/sign-extend an
3891         extraction of the low part of a CONST_INT.  Also handle
3892         CONST_DOUBLE.
3893
3894 2010-03-19  Mike Stump  <mikestump@comcast.net>
3895
3896         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3897         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3898         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3899
3900 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3901
3902         PR c/43211
3903         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3904         an error.
3905
3906 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3907
3908         PR rtl-optimization/42258
3909         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3910         use that may match DEF.
3911
3912         PR target/40697
3913         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3914         the cost of loading the constant rather than assuming
3915         COSTS_N_INSNS (1).
3916         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3917         outer code is AND, do the same tests as the andsi3 expander and
3918         return COSTS_N_INSNS (1) if and is cheap.
3919
3920         * optabs.c (avoid_expensive_constant): Fix formatting.
3921
3922 2010-03-19  Michael Matz  <matz@suse.de>
3923
3924         PR c++/43116
3925         * attribs.c (decl_attributes): When rebuilding a function pointer
3926         type use the same qualifiers as the original pointer type.
3927
3928 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3929
3930         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3931         and is_gimple_ip_invariant_address.
3932
3933 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3934
3935         Revert
3936         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3937
3938         * config/arm/arm.c (arm_override_options): Turn off
3939         flag_dwarf2_cfi_asm for AAPCS variants.
3940
3941 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3942
3943         PR target/43399
3944         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3945         Use PRE_MODIFY instead of PRE_DEC.
3946         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3947         (vfp_emit_fstmd): Likewise.
3948
3949 2010-03-19  Michael Matz  <matz@suse.de>
3950
3951         PR target/43305
3952         * builtins.c (expand_builtin_interclass_mathfn,
3953         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3954         if that fails.
3955
3956 2010-03-19  Richard Guenther  <rguenther@suse.de>
3957
3958         PR tree-optimization/43415
3959         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3960         (phi_translate_1): ... this.
3961         (phi_translate): Move all caching here.  Cache all NARY
3962         and REFERENCE translations.
3963
3964 2010-03-19  David S. Miller  <davem@davemloft.net>
3965
3966         With help from Eric Botcazou.
3967         * config/sparc/sparc.c: Include dwarf2out.h.
3968         (emit_pic_helper): Delete.
3969         (pic_helper_symbol_name): Delete.
3970         (pic_helper_emitted_p): Delete.
3971         (pic_helper_needed): New.
3972         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3973         (get_pc_thunk_name): New.
3974         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3975         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3976         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3977         (sparc_expand_prologue): Update load_pic_register call.
3978         (sparc_output_mi_thunk): Likewise.
3979         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3980         thunk if possible.  Output CFI information as needed.
3981
3982 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3983             Jack Howarth <howarth@bromo.med.uc.edu>
3984
3985         PR target/36399
3986         * config/i386/i386.h: Fix ABI on darwin x86-32.
3987
3988 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3989
3990         * tree.h: Declare make_decl_rtl_for_debug.
3991         * varasm.c (make_decl_rtl_for_debug): New.
3992         * dwarf2out.c (rtl_for_decl_location): Call it.
3993         * cfgexpand.c (expand_debug_expr): Call it.
3994
3995 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3996
3997         PR bootstrap/43399
3998         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3999         mem_mode.
4000
4001         PR bootstrap/43403
4002         * var-tracking.c (vt_init_cfa_base): Do nothing if
4003         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4004
4005 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
4006
4007         PR debug/42873
4008         * var-tracking.c (canonicalize_vars_star): New.
4009         (dataflow_post_merge_adjust): Use it.
4010
4011 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
4012
4013         PR debug/43058
4014         * var-tracking.c (non_suitable_const): New function.
4015         (add_uses): For DEBUG_INSNs with constants, don't record any
4016         value, instead just the constant value itself.
4017         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4018         is not VAR_LOC_UNKNOWN_P, set var to the constant.
4019         (emit_notes_in_bb): Likewise.
4020         (emit_note_insn_var_location): For onepart variables if
4021         cur_loc is a VOIDmode constant, use DECL_MODE.
4022
4023 2010-03-18  Martin Jambor  <mjambor@suse.cz>
4024
4025         PR middle-end/42450
4026         * cgraph.h (cgraph_redirect_edge_call