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