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2010-04-30 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-30  Richard Guenther  <rguenther@suse.de>
2
3         PR lto/43946
4         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
5         first after all lowering passes.
6
7 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
8
9         * toplev.c: Include varray.h for statistics dumping.
10         * tree.h: Do not declare varray_head_tag.
11         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
12         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
13         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
14         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
15         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
16         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
17         c-common.c, c-common.h, reg-stack.c, basic-block.h,
18         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
19         include varray.h.
20         * Makefile.in: Update for abovementioned changes.
21
22 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
23
24         PR debug/43942
25         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
26
27 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
28
29         * config/picochip/picochip.c (picochip_legitimize_address): Define.
30         Use this function to do machine-specific conversion.
31         (picochip_legitimize_reload_address): Likewise.
32         (picochip_legitimate_address_p): Check valid base register only if
33         strict.
34         (picochip_check_conditional_copy): Check for modw only if opnd is
35         register.
36         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
37         to call the function in c.
38         * config/picochip/picochip-protos.h
39         (picochip_legitimize_reload_address): Define.
40         * config/picochip/picochip.md (supported_compare1): Define.
41
42 2010-04-30  Jan Hubicka  <jh@suse.cz>
43
44         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
45         (cgraph_global_info): Remove inlined.
46         (LTO_cgraph_tag_names): Remove.
47         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
48         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
49         simplify cgraph tags and document.
50         (lto_output_node): Use only LTO_cgraph_unavail_node and
51         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
52         for_functions_valid, global info, process and output
53         flags.
54         (input_overwrite_node): Initialize estimated stack size and
55         estimated growth.
56         Do not read flags we no longer store.
57         (input_node): Likewise do not read info no longer stored.
58         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
59         flag.
60
61 2010-04-30  Richard Guenther  <rguenther@suse.de>
62
63         PR tree-optimization/43879
64         * tree-ssa-structalias.c (get_constraint_for_1): Properly
65         handle non-zero initializers.
66
67 2010-04-30  Richard Guenther  <rguenther@suse.de>
68
69         * builtins.c (fold_builtin_1): Delete free (0).
70
71 2010-04-29  Jan Hubicka  <jh@suse.cz>
72
73         * gengtype.c (open_base_files): Add lto-streamer.h
74         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
75         (pass_ipa_cp): GGC collect.
76         * toplev. (compile_file): Do not output symbols.
77         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
78         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
79         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
80         * lto-section-in.c: Include ggc.h
81         (lto_new_in_decl_state): Alloc in GGC.
82         (lto_delete_in_decl_state): Likewise.
83         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
84
85 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
86
87         PR target/42895
88         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
89         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
90         (HONOR_REG_ALLOC_ORDER): Describe new macro.
91         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
92         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
93         account only if HONOR_REG_ALLOC_ORDER is not defined.
94         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
95         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
96         
97 2010-04-29  Jon Grant <04@jguk.org>
98         
99         * collect2.c (vflag): Change type from int to bool.
100         (debug): Likewise.
101         (helpflag): New global bool.
102         (main): Set vflag and debug with boolean, not integer truth
103         values.  Accept new "--help" option and output usage text if
104         found.
105         * collect2.h (vflag): Update prototype.
106         (debug): Likewise.
107         
108 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
109
110         PR bootstrap/43936
111         * plugin.h (flag_plugin_added): Moved out of
112         invoke_plugin_callbacks.
113
114 2010-04-29  Richard Guenther  <rguenther@suse.de>
115
116         PR bootstrap/43935
117         * plugin.h (invoke_plugin_callbacks): Annotate arguments
118         with ATTRIBUTE_UNUSED.
119
120 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
121
122         PR target/43921
123         * config/i386/i386.c (get_some_local_dynamic_name): Replace
124         INSN_P with NONDEBUG_INSN_P.
125         (distance_non_agu_define): Likewise.
126         (distance_agu_use): Likewise.
127
128 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
129
130         From Dominique d'Humieres <dominiq@lps.ens.fr>
131         PR bootstrap/43858
132         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
133         test_set.
134
135 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
136
137         * plugin.h (invoke_plugin_callbacks): New inline function.
138         * plugin.c (flag_plugin_added): New global flag.
139         (add_new_plugin): Initialize above flag.
140         (invoke_plugin_callbacks): Rename to ...
141         (invoke_plugin_callbacks_full): ... this.
142
143 2010-04-28  Jan Hubicka  <jh@suse.cz>
144
145         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
146         (lto_varpool_replace_node): New.
147         (lto_symtab_resolve_symbols): Resolve varpool nodes.
148         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
149         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
150         * cgraph.h (varpool_node_ptr): New type.
151         (varpool_node_ptr): New vector.
152         (varpool_node_set_def): New structure.
153         (varpool_node_set): New type.
154         (varpool_node_set): New vector.
155         (varpool_node_set_element_def): New structure.
156         (varpool_node_set_element, const_varpool_node_set_element): New types.
157         (varpool_node_set_iterator): New type.
158         (varpool_node): Add prev pointers, add used_from_other_partition,
159         in_other_partition.
160         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
161         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
162         varpool_get_node, varpool_remove_node): Declare.
163         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
164         varpool_node_set_size): New inlines.
165         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
166         * tree-pass.h (varpool_node_set_def): Forward declare.
167         (ipa_opt_pass_d): Summary writting takes vnode sets too.
168         (ipa_write_optimization_summaries): Update prototype.
169         * ipa-cp.c (ipcp_write_summary): Update.
170         * ipa-reference.c (ipa_reference_write_summary): Update.
171         * lto-cgraph.c (lto_output_varpool_node): New static function.
172         (output_varpool): New function.
173         (input_varpool_node): New static function.
174         (input_varpool_1): New function.
175         (input_cgraph): Input varpool.
176         * ipa-pure-const.c (pure_const_write_summary): Update.
177         * lto-streamer-out.c (lto_output): Update, output varpool too.
178         (write_global_stream): Kill WPA hack.
179         (produce_asm_for_decls): Update.
180         (output_alias_pair_p): Handle variables.
181         (output_unreferenced_globals): Output only needed partition of varpool.
182         * ipa-inline.c (inline_write_summary): Update.
183         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
184         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
185         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
186         varpool_node_set_new, varpool_node_set_add,
187         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
188         debug_varpool_node_set): New functions.
189         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
190         (execute_one_pass): Process new decls too.
191         (ipa_write_summaries_2): Pass around vsets.
192         (ipa_write_summaries_1): Likewise.
193         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
194         to add.
195         (ipa_write_optimization_summaries_1): Pass around vsets.
196         (ipa_write_optimization_summaries): Likewise.
197         * varpool.c (varpool_get_node): New.
198         (varpool_node): Update doubly linked lists.
199         (varpool_remove_node): New.
200         (dump_varpool_node): More dumping.
201         (varpool_enqueue_needed_node): Update doubly linked lists.
202         (decide_is_variable_needed): Kill ltrans hack.
203         (varpool_finalize_decl): Kill lto hack.
204         (varpool_assemble_decl): Skip decls in other partitions.
205         (varpool_assemble_pending_decls): Update doubly linkes lists.
206         (varpool_empty_needed_queue): Likewise.
207         (varpool_extra_name_alias): Likewise.
208         * lto-streamer.c (lto_get_section_name): Add vars section.
209         * lto-streamer.h (lto_section_type): Update.
210         (output_varpool, input_varpool): Declare.
211
212 2010-04-28  Mike Stump  <mikestump@comcast.net>
213
214         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
215
216 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
217
218         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
219         record or union type with RECORD_OR_UNION_TYPE_P predicate.
220         (lto_input_ts_type_tree_pointers): Likewise.
221         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
222         (lto_output_ts_type_tree_pointers): Likewise.
223
224 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
225
226         Uniquization of constants at the Tree level
227         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
228         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
229         bit to the end.
230         (tree_output_constant_def): Declare.
231         * gimplify.c (gimplify_init_constructor): When using block copy, first
232         uniquize the constant constructor on the RHS.
233         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
234         DECL_IN_CONSTANT_POOL flag.
235         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
236         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
237         constant pool.
238         (assemble_variable): Deal with symbols belonging to the tree constant
239         pool.
240         (get_constant_section): Add ALIGN parameter and simplify.
241         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
242         (assemble_constant_contents): Use the expression of the VAR_DECL.
243         (output_constant_def_contents): Use the alignment of the VAR_DECL.
244         (tree_output_constant_def): New global function.
245         (mark_constant): Use the expression of the VAR_DECL.
246         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
247         its expression.
248         (output_object_block): Likewise and assemble the expression.
249
250 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
251
252         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
253         hash_tree, eq_tree): New tree hash table.
254         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
255         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
256         lto_orig_address_remove): Reimplement.
257
258 2010-04-28  Xinliang David Li  <davidxl@google.com>
259
260         PR c/42643
261         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
262         (compute_uninit_opnds_pos): New function.
263         (is_non_loop_exit_postdominating): New function.
264         (compute_control_dep_chain): New function.
265         (find_pdom): New function.
266         (convert_control_dep_chain_into_preds): New function.
267         (find_predicates): New function.
268         (find_control_equiv_block): New function.
269         (collect_phi_def_edges): New function.
270         (find_def_preds): New function.
271         (find_dom): New function.
272         (dump_predicates): New function.
273         (get_cmp_code): New function.
274         (is_value_included_in): New function.
275         (find_matching_predicate_in_rest_chains): New function.
276         (use_pred_not_overlap_with_undef_path_pred): New function.
277         (is_use_properly_guarded): New function.
278         (normalize_cond_1): New function.
279         (is_and_or_or): New function.
280         (normalize_cond): New function.
281         (is_gcond_subset_of): New function.
282         (is_subset_of_any): New function.
283         (is_or_set_subset_of): New function.
284         (is_and_set_subset_of): New function.
285         (is_norm_cond_subset_of): New function.
286         (is_pred_expr_subset_of): New function.
287         (is_pred_chain_subset_of): New function.
288         (is_included_in): New function.
289         (is_superset_of): New function.
290         (find_uninit_use): New function.
291         (warn_uninitialized_phi): New function.
292         (compute_possibly_undefined_names): New function.
293         (ssa_undefined_value_p): New function.
294         (execute_late_warn_uninitialized): New function.
295         * tree-ssa.c (ssa_undefined_value_p): Removed.
296         (warn_uninit): Changed to extern.
297         (warn_uninitialized_phi): Removed.
298         (warn_uninitialized_vars): Changed to extern.
299         (execute_late_warn_uninitialized): Removed
300         * tree-flow.h: Add new prototypes.
301         * timevar.def: Add new time variable.
302         * Makefile.in: Add new build file.
303
304 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
305
306         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
307         type if available.
308
309 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
310
311         PR target/22224
312         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
313
314 2010-04-28  Martin Jambor  <mjambor@suse.cz>
315
316         * cgraph.h (struct cgraph_node): New field indirect_calls.
317         (struct cgraph_indirect_call_info): New type.
318         (struct cgraph_edge): Removed field indirect_call. New fields
319         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
320         (cgraph_create_indirect_edge): Declare.
321         (cgraph_make_edge_direct): Likewise.
322         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
323         * ipa-prop.h (struct ipa_param_call_note): Removed.
324         (struct ipa_node_params): Removed field param_calls.
325         (ipa_create_all_structures_for_iinln): Declare.
326         * cgraph.c: Described indirect edges and uids in initial comment.
327         (cgraph_add_edge_to_call_site_hash): New function.
328         (cgraph_edge): Search also among the indirect edges, use
329         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
330         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
331         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
332         site hash.
333         (initialize_inline_failed): Assign a reason to indirect edges.
334         (cgraph_create_edge_1): New function.
335         (cgraph_create_edge): Moved some functionality to
336         cgraph_create_edge_1.
337         (cgraph_create_indirect_edge): New function.
338         (cgraph_edge_remove_callee): Add an assert checking for
339         non-indirectness.
340         (cgraph_edge_remove_caller): Special-case indirect edges.
341         (cgraph_remove_edge): Likewise.
342         (cgraph_set_edge_callee): New function.
343         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
344         (cgraph_make_edge_direct): New function.
345         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
346         the declaration of the call statement matches.
347         (cgraph_node_remove_callees): Special-case indirect edges.
348         (cgraph_clone_edge): Likewise.
349         (cgraph_clone_node): Clone also the indirect edges.
350         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
351         indirect_call, dump count of indirect_calls edges.
352         * ipa-prop.c (iinlining_processed_edges): New variable.
353         (ipa_note_param_call): Create indirect edges instead of
354         creating notes.  New parameter node.
355         (ipa_analyze_call_uses): New parameter node, pass it on to
356         ipa_note_param_call.
357         (ipa_analyze_stmt_uses): Likewise.
358         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
359         (print_edge_addition_message): Work on edges rather than on notes.
360         (update_call_notes_after_inlining): Likewise, renamed to
361         update_indirect_edges_after_inlining.
362         (ipa_create_all_structures_for_iinln): New function.
363         (ipa_free_node_params_substructures): Do not free notes.
364         (ipa_edge_duplication_hook): Propagate bits within
365         iinlining_processed_edges bitmap.
366         (ipa_node_duplication_hook): Do not duplicate notes.
367         (free_all_ipa_structures_after_ipa_cp): Renamed to
368         ipa_free_all_structures_after_ipa_cp.
369         (free_all_ipa_structures_after_iinln): Renamed to
370         ipa_free_all_structures_after_iinln.g
371         (ipa_write_param_call_note): Removed.
372         (ipa_read_param_call_note): Removed.
373         (ipa_write_indirect_edge_info): New function.
374         (ipa_read_indirect_edge_info): Likewise.
375         (ipa_write_node_info): Do not stream notes, do stream information
376         in indirect edges.
377         (ipa_read_node_info): Likewise.
378         (lto_ipa_fixup_call_notes): Removed.
379         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
380         * ipa-inline.c (pass_ipa_inline): Likewise.
381         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
382         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
383         * tree-inline.c (copy_bb): Removed an unnecessary double check for
384         is_gimple_call.
385         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
386         edges.
387         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
388         (output_cgraph): Stream also indirect edges.
389         (lto_output_edge): Added capability to stream indirect edges.
390         (input_edge): Likewise.
391         (input_cgraph_1): Likewise.
392         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
393         of indirect edges.
394
395 2010-04-28  Richard Guenther  <rguenther@suse.de>
396
397         PR tree-optimization/43879
398         PR tree-optimization/43909
399         * tree-ssa-structalias.c (struct variable_info): Add
400         only_restrict_pointers flag.
401         (new_var_info): Initialize it.  Increment stats.total_vars here.
402         (create_function_info_for): Do not increment stats.total_vars
403         here.
404         (get_function_part_constraint): Fix build with C++.
405         (insert_into_field_list): Remove.
406         (push_fields_onto_fieldstack): Properly merge fields.
407         (create_variable_info_for): Split and simplify.
408         (create_variable_info_for_1): New piece.
409         (intra_create_variable_infos): Properly make restrict constraints
410         from parameters.
411
412 2010-04-28  Richard Guenther  <rguenther@suse.de>
413
414         PR c++/43880
415         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
416         value-exprs.
417
418 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
419             Jan Hubicka <hubicka@ucw.cz>
420
421         * doc/invoke.texi (-Wsuggest-attribute=const,
422         -Wsuggest-attribute=pure): Document.
423         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
424         (function_always_visible_to_compiler_p,
425         suggest_attribute, warn_function_pure, warn_function_const):
426         New functions.
427         (check_call): Improve debug info.
428         (analyze_function): Do not check availability.
429         (add_new_function): Check availability.
430         (propagate): Output warnings.
431         (skip_function_for_local_pure_const): New function.
432         (local_pure_const): Use it; output warnings.
433         * common.opt (Wsuggest-attribute=const,
434         Wsuggest-attribute=pure): New.
435
436 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
437
438         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
439         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
440         or DW_CFA_def_cfa_offset{,_sf}.
441
442 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
443
444         * tree.h: Fix truncated long macros.
445
446 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
447
448         * collect2.c (TARGET_64BIT): Redefine to target's default.
449         * tlink.c: Likewise.
450         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
451         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
452         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
453         for underscoring __USER_LABEL_PREFIX__.
454         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
455         (SUB_LINK_ENTRY32): New.
456         (SUB_LINK_ENTRY64): New.
457         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
458         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
459         (SUB_LINK_ENTRY64): New.
460         (SUB_LINK_ENTRY): New.
461         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
462         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
463         x64 target is choosen.
464         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
465         * configure: Regenerated.
466         * configure.ac (leading-mingw64-underscores): Option added.
467
468 2010-04-27  Jan Hubicka  <jh@suse.cz>
469
470         * doc/invoke.texi (-fipa-profile): Document.
471         * opts.c (decode_options): Enable ipa-profile at -O1.
472         * timevar.def (TV_IPA_PROFILE): Define.
473         * common.opt (fipa-profile): Add.
474         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
475         flag for clones.
476         (cgraph_propagate_frequency): Handle only local ones.
477         * tree-pass.h (pass_ipa_profile): Declare.
478         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
479         (pass_ipa_profile): Use TV_IPA_PROFILE.
480         * ipa.c (ipa_profile): New function.
481         (gate_ipa_profile): Likewise.
482         (pass_ipa_profile): New global variable.
483         * passes.c (pass_ipa_profile): New.
484
485 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
486
487         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
488
489 2010-04-27  Martin Jambor  <mjambor@suse.cz>
490
491         PR middle-end/43812
492         * ipa.c (dissolve_same_comdat_group_list): New function.
493         (function_and_variable_visibility): Call
494         dissolve_same_comdat_group_list when comdat group contains external or
495         newly local nodes.
496         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
497         lists are circular and that they contain only DECL_ONE_ONLY nodes.
498
499 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
500
501         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
502         (const_hash_1) <VECTOR_CST>: New case.
503         (compare_constant) <VECTOR_CST>: Likewise.
504         <ADDR_EXPR>: Deal with LABEL_REFs.
505         (copy_constant) <VECTOR_CST>: New case.
506
507 2010-04-27  Jan Hubicka  <jh@suse.cz>
508
509         * cgraph.c (cgraph_propagate_frequency): New function.
510         * cgraph.h (cgraph_propagate_frequency): Declare.
511         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
512         cgraph_propagate_frequency.
513
514 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
515
516         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
517
518 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
519
520         PR target/40657
521         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
522         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
523         here to determine which regs to push and how much stack to reserve.
524
525 2010-04-27  Jie Zhang  <jie@codesourcery.com>
526
527         * doc/gimple.texi (gimple_statement_with_ops): Remove
528         addresses_taken field.
529         (gimple_statement_with_memory_ops): Likewise.
530
531 2010-04-27  Jan Hubicka  <jh@suse.cz>
532
533         * tree-inline.c (eni_inlining_weights): Remove.
534         (estimate_num_insns): Special case more builtins.
535
536 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
537
538         PR c/32207
539         * c-typeck.c (build_binary_op): Move forward check for comparison
540         pointer with null pointer constant and adjust the diagnostic message.
541
542 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
543
544         PR lto/42776
545         * configure.ac (gcc_cv_as_section_has_align): Set if installed
546         binutils supports extended .section directive needed by LTO, or
547         warn if older binutils found.
548         (LTO_BINARY_READER): New AC_SUBST'd variable.
549         (LTO_USE_LIBELF): Likewise.
550         * gcc/config.gcc (lto_binary_reader): New target-specific configure
551         variable.
552         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
553         (LTO_USE_LIBELF): Likewise.
554         * configure: Regenerate.
555
556         * collect2.c (is_elf): Rename from this ...
557         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
558          object files in addition to ELF-formatted ones.
559         (scan_prog_file): Caller updated.  Also allow for LTO info marker
560         symbol to be prefixed or not by an extra underscore.
561
562         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
563         * config/i386/winnt.c: Also #include lto-streamer.h
564         (i386_pe_asm_named_section): Specify 1-byte section alignment for
565         LTO named sections.
566         (i386_pe_asm_output_aligned_decl_common): Add comment.
567         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
568
569 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
570
571         PR target/43889
572         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
573         Add missing earlyclobber for second alternative.
574
575 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
576
577         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
578         bits for artificial defs at the top of the block.
579         * fwprop.c (single_def_use_enter_block): Don't call it.
580
581 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
582
583         PR 43715
584         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
585         instead of "$gcc_cv_objdump -T".
586         Use "-undefined dynamic_lookup" on darwin.
587         * gcc/configure: Regenerate.
588
589 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
590
591         PR c/43893
592         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
593
594 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
595
596         * c-parser.c (struct c_token): Move location field up.
597         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
598         (struct c_declspecs): Convert typespec_word, storage_class, and
599         default_int_p into bitfields.
600         (struct c_declarator): Move loc field up.
601
602 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
603
604         * cfgloop.h (struct loop): Move can_be_parallel field up.
605         * ipa-prop.h (struct ip_node_params): Move bitfields up.
606         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
607         down.
608         (struct iv_cand): Convert pos field into a bitfield.
609         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
610         field up.
611         (struct _stmt_vec_info): Shuffle fields for better packing.
612
613 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
614
615         * varasm.c (IN_NAMED_SECTION): Remove guard.
616         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
617         (IN_NAMED_SECTION_P): ...this.
618         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
619         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
620
621 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
622
623         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
624         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
625         of shadowing it.  Fix comments.
626
627 2010-04-26  Jan Hubicka  <jh@suse.cz>
628
629         * cgraph.c (cgraph_create_node): Set node frequency to normal.
630         (cgraph_clone_node): Copy function frequency.
631         * cgraph.h (node_frequency): New enum
632         (struct cgraph_node): Add.
633         * final.c (rest_of_clean_state): Update.
634         * lto-cgraph.c (lto_output_node): Output node frequency.
635         (input_overwrite_node): Input node frequency.
636         * tre-ssa-loop-ivopts (computation_cost): Update.
637         * lto-streamer-out.c (output_function): Do not output function
638         frequency.
639         * predict.c (maybe_hot_frequency_p): Update and handle functions
640         executed once.
641         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
642         attribute lookup.
643         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
644         (compute_function_frequency): Set noreturn functions to be executed
645         once.
646         (choose_function_section): Update.
647         * lto-streamer-in.c (input_function): Do not input function frequency.
648         * function.c (allocate_struct_function): Do not initialize function
649         frequency.
650         * function.h (function_frequency): Remove.
651         (struct function): Remove function frequency.
652         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
653         (try_update): Update.
654         * tree-inline.c (initialize_cfun): Do not update function frequency.
655         * passes.c (pass_init_dump_file): Update.
656         * i386.c (ix86_compute_frame_layout): Update.
657         (ix86_pad_returns): Update.
658
659 2010-04-26  Jie Zhang  <jie@codesourcery.com>
660
661         PR tree-optimization/43833
662         * tree-vrp.c (range_int_cst_p): New.
663         (range_int_cst_singleton_p): New.
664         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
665         when both operands are constants.  Use range_int_cst_p in
666         BIT_IOR_EXPR case.
667
668 2010-04-26  Jan Hubicka  <jh@suse.cz>
669
670         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
671
672 2010-04-26  Richard Guenther  <rguenther@suse.de>
673
674         PR lto/43080
675         * gimple.c (gimple_decl_printable_name): Deal gracefully
676         with a NULL DECL_NAME.
677
678 2010-04-26  Richard Guenther  <rguenther@suse.de>
679
680         PR lto/42425
681         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
682         if emitting debug information and it is either a function
683         or a namespace decl.
684
685 2010-04-26  Ira Rosen  <irar@il.ibm.com>
686
687         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
688         determine if the statement is vectorizable, and a macro to access it.
689         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
690         Skip statements that can't be vectorized. If the analysis fails,
691         mark the statement as unvectorizable if vectorizing basic block.
692         (vect_compute_data_refs_alignment): Likewise.
693         (vect_verify_datarefs_alignment): Skip statements marked as
694         unvectorizable. Add print.
695         (vect_analyze_group_access): Skip statements that can't be
696         vectorized. If the analysis fails, mark the statement as
697         unvectorizable if vectorizing basic block.
698         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
699         * tree-vect-stmts.c (vectorizable_store): Fix the number of
700         generated stmts for SLP.
701         (new_stmt_vec_info): Initialize the new field.
702         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
703         statements marked as unvectorizable.
704
705 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
706
707         * c-common.c (flag_isoc1x): New.
708         (flag_isoc99): Update comment.
709         * c-common.h (flag_isoc1x): New.
710         (flag_isoc99): Update comment.
711         * c-cppbuiltin.c (builtin_define_float_constants): Also define
712         __<type>_DECIMAL_DIG__.
713         * c-opts.c (set_std_c1x): New.
714         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
715         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
716         * c.opt (-std=c1x, -std=gnu1x): New options.
717         * doc/cpp.texi: Mention -std=c1x.
718         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
719         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
720         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
721         * doc/standards.texi: Mention C1X.
722         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
723         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
724         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
725         Define for C1X.
726
727 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
728
729         * config/i386/gmon-sol2.c (_mcleanup): Change format string
730         placeholder from 0x%x to %#x.
731         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
732         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
733         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
734         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
735         * config/i386/i386.c (ix86_target_string): Ditto.
736         (output_pic_addr_const): Ditto.
737         (print_operand): Ditto.
738
739 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
740
741         * combine.c (find_split_point): Add third argument.  Use it
742         to find nested multiply-accumulate instructions.  Adjust calls.
743         (try_combine): Adjust call to find_split_point.
744
745 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
746
747         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
748
749 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
750
751         PR tree-optimization/41442
752         * fold-const.c (merge_truthop_with_opposite_arm): New function.
753         (fold_binary_loc): Call it.
754
755 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
756
757         * toplev.c (general_init): Set default for fdiagnostics-show-option.
758         * opts.c (common_handle_option): Allow disabling it.
759         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
760
761 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
762
763         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
764         between modes if both types are integral.
765
766 2010-04-23  Richard Guenther  <rguenther@suse.de>
767
768         PR tree-optimization/43572
769         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
770
771 2010-04-23  Richard Guenther  <rguenther@suse.de>
772
773         PR lto/43455
774         * tree-inline.c (tree_can_inline_p): Also check compatibility
775         of return types.
776
777 2010-04-23  Martin Jambor  <mjambor@suse.cz>
778
779         PR tree-optimization/43846
780         * tree-sra.c (struct access): New flag grp_assignment_read.
781         (build_accesses_from_assign): Set grp_assignment_read.
782         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
783         (enum mark_read_status): New type.
784         (analyze_access_subtree): Propagate grp_assignment_read, create
785         accesses also if both direct_read and root->grp_assignment_read.
786
787 2010-04-23  Martin Jambor  <mjambor@suse.cz>
788
789         PR middle-end/43835
790         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
791         function does not have type attributes.
792
793 2010-04-23  Richard Guenther  <rguenther@suse.de>
794
795         PR lto/42653
796         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
797         of FUNCTION_DECLs.
798
799 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
800
801         * sese.h (create_if_region_on_edge): Remove.
802
803         * sese.c (create_if_region_on_edge): Make static.
804
805         * tree-inline.c: Do not include ggc.h.
806
807         * expr.c: Do not include ggc.h.
808
809         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
810         dependencies.
811
812 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
813
814         PR target/43744
815         * config/sh/sh.c (find_barrier): Don't emit a constant pool
816         in the middle of insns for casesi_worker_2.
817
818 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
819
820         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
821
822 2010-04-22  Ira Rosen  <irar@il.ibm.com>
823
824         PR tree-optimization/43842
825         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
826         loop unrolling in update of exit phis. Fix comment.
827         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
828         least two reduction statements in the loop before starting SLP
829         analysis.
830
831 2010-04-22  Nick Clifton  <nickc@redhat.com>
832
833         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
834
835 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
836
837         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
838         to simplify a + ~a.
839
840 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
841
842         * tree-parloops.c (loop_parallel_p): New argument
843         parloop_obstack.  Pass it down.
844         (parallelize_loops): New variable parloop_obstack.  Initialize it,
845         pass it down, free it.
846
847         * tree-loop-linear.c (linear_transform_loops): Pass down
848         lambda_obstack.
849
850         * tree-data-ref.h (lambda_compute_access_matrices): New argument
851         of type struct obstack *.
852
853         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
854         scratch_obstack.  Initialize it, pass down, free it.
855
856         * lambda.h (lambda_loop_new): Remove.
857         (lambda_matrix_new, lambda_matrix_inverse)
858         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
859         argument of type struct obstack *.
860
861         * lambda-trans.c (lambda_trans_matrix_new): New argument
862         lambda_obstack.  Pass it down, use obstack allocation for ret.
863         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
864         it down.
865
866         * lambda-mat.c (lambda_matrix_get_column)
867         (lambda_matrix_project_to_null): Remove.
868         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
869         allocation for mat.
870         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
871         lambda_obstack.
872
873         * lambda-code.c (lambda_loop_new): New function.
874         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
875         (lambda_compute_auxillary_space, lambda_compute_target_space)
876         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
877         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
878         (build_access_matrix): New argument lambda_obstack.  Use obstack
879         allocation for am.
880         (lambda_compute_step_signs, lambda_compute_access_matrices): New
881         argument lambda_obstack.  Pass it down.
882
883 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
884
885         * optabs.h (expand_widening_mult): Declare.
886
887 2010-04-22  Richard Guenther  <rguenther@suse.de>
888
889         PR tree-optimization/43845
890         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
891         lookup the CALL_EXPR function and arguments.
892
893 2010-04-22  Nick Clifton  <nickc@redhat.com>
894
895         * config/stormy16/stormy16.c
896         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
897         * config/stormy16/stormy16.h: Tidy up formatting.
898         (DONT_USE_BUILTIN_SETJMP): Remove definition.
899         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
900         (ineqbranchsi): Delete pattern.
901         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
902         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
903         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
904         stormy16-lib2-ucmpsi2.c.
905
906 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
907
908         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
909         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
910         extra set merge_set_noclobber, and use it to relax the final test
911         slightly.
912         * df.h (df_simulate_find_noclobber_defs): Declare.
913         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
914         conditional defs.
915         (df_simulate_find_noclobber_defs): New function.
916
917 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
918
919         * config/i386/i386.md: Use {} around multi-line preparation statements.
920
921 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
922
923         * c-tree.h (push_init_level, pop_init_level, set_init_index)
924         (process_init_element): New argument of type struct obstack *.
925
926         * c-typeck.c (push_init_level, pop_init_level, set_designator)
927         (set_init_index, set_init_label, set_nonincremental_init)
928         (set_nonincremental_init_from_string, find_init_member)
929         (output_init_element, output_pending_init_elements)
930         (process_init_element): New argument braced_init_obstack.  Pass it
931         down.
932         (push_range_stack, add_pending_init): New argument
933         braced_init_obstack.  Use obstack allocation.
934
935         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
936         braced_init_obstack.  Pass it down.
937         (c_parser_braced_init): New variables ret, braced_init_obstack.
938         Initialize obstack, pass it down and finally free it.
939
940 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
941
942         PR middle-end/29274
943         * tree-pass.h (pass_optimize_widening_mul): Declare.
944         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
945         gate_optimize_widening_mul): New static functions.
946         (pass_optimize_widening_mul): New.
947         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
948         <case MULT_EXPR>: Remove support for widening multiplies.
949         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
950         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
951         simplify_gen_unary rather than directly building extensions.
952         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
953         WIDEN_MULT_EXPR.
954         * expmed.c (expand_widening_mult): New function.
955         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
956
957 2010-04-21  Jan Hubicka  <jh@suse.cz>
958
959         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
960         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
961         * lto-wpa-fixup.c: Remove.
962         * Makefile.in (lto-wpa-fixup.o): Remove.
963         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
964         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
965         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
966
967 2010-04-21  Jan Hubicka  <jh@suse.cz>
968
969         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
970         add write_optimization_summary, read_optimization_summary.
971         (ipa_write_summaries_of_cgraph_node_set): Remove.
972         (ipa_write_optimization_summaries): Declare.
973         (ipa_read_optimization_summaries): Declare.
974         * ipa-cp.c (pass_ipa_cp): Update.
975         * ipa-reference.c (pass_ipa_reference): Update.
976         * ipa-pure-const.c (pass_ipa_pure_const): Update.
977         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
978         Update.
979         * ipa-inline.c (pass_ipa_inline): Update.
980         * ipa.c (pass_ipa_whole_program): Update.
981         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
982         * passes.c (ipa_write_summaries_1): Do not test wpa.
983         (ipa_write_optimization_summaries_1): New.
984         (ipa_write_optimization_summaries): New.
985         (ipa_read_summaries): Do not test ltrans.
986         (ipa_read_optimization_summaries_1): New.
987         (ipa_read_optimization_summaries): New.
988
989 2010-04-21  Jan Hubicka  <jh@suse.cz>
990
991         * lto-cgraph.c (lto_output_node): Do not output comdat groups
992         for boundary nodes.
993         (output_cgraph): Do not arrange comdat groups for boundary nodes.
994
995 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
996
997         PR debug/40040
998         * dwarf2out.c (add_name_and_src_coords_attributes): Add
999         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1000
1001 2010-04-21  Jan Hubicka  <jh@suse.cz>
1002
1003         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1004
1005 2010-04-21  Jan Hubicka  <jh@suse.cz>
1006
1007         * varpool.c (decide_is_variable_needed): Variable is always needed
1008         during ltrans.
1009
1010 2010-04-21  Jan Hubicka  <jh@suse.cz>
1011
1012         * opts.c (decode_options): Enable pure-const pass for whopr.
1013
1014 2010-04-21  Jan Hubicka  <jh@suse.cz>
1015
1016         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1017         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1018         at WPA dumping.
1019         (cgraph_decide_inlining): Do not expect callee to be removed in all
1020         cases.
1021
1022 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1023
1024         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1025
1026 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1029         amdfam10_decode attributes.
1030
1031 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1032
1033         PR middle-end/43570
1034         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1035         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1036         (lower_copyprivate_clauses): Use private var in outer
1037         context instead of original var.  Make sure the types
1038         are correct for VLAs.
1039
1040 2010-04-21  Richard Guenther  <rguenther@suse.de>
1041
1042         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1043         to non-pointer objects.
1044
1045 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1046
1047         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1048         last chain entry if it starts with the still current label.
1049         (add_location_or_const_value_attribute): Check that
1050         loc_list->first->next is NULL instead of comparing ->first with ->last.
1051         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1052         to add_var_loc_to_decl.
1053
1054         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1055         >= 4 add also address size and segment size fields into CIE header.
1056
1057         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1058         long as address size is the same as sizeof (void *) and
1059         segment size is 0.
1060         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1061         address size or segment size is unexpected, return DW_EH_PE_omit.
1062         (classify_object_over_fdes): If get_cie_encoding returned
1063         DW_EH_PE_omit, return -1.
1064         (init_object): If classify_object_over_fdes returned -1,
1065         pretend there were no FDEs at all.
1066
1067 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1068
1069         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1070         bswap{si,di}2 using SWI48 mode iterator.
1071         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1072         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1073         set modrm attribute of bswap insn to 0 and remove length attribute.
1074         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1075         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1076         set mode attribute to <MODE> and remove length attribute.
1077
1078 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1079
1080         PR rtl-optimization/43520
1081         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1082         zero available registers.
1083
1084 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1085
1086         * builtins.c (fold_builtin_cproj): Fold more cases.
1087
1088 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1089
1090         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1091         (fold_builtin_1): Fold builtin cproj.
1092         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1093         Use ATTR_CONST_NOTHROW_LIST.
1094
1095 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1096
1097         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1098         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1099         ffsi2_no_cmove for !TARGET_CMOVE.
1100         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1101         (ffssi2): Remove expander.
1102         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1103         mode iterator.
1104         (ctz<mode>2): Ditto from ctz{si,di}2.
1105         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1106         mode iterator.
1107         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1108         mode iterator.
1109
1110 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1111
1112         * dwarf2out.c (AT_linkage_name): Define.
1113         (clone_as_declaration): Handle DW_AT_linkage_name.
1114         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1115         of DW_AT_MIPS_linkage_name.
1116         (move_linkage_attr): Likewise.
1117         (dwarf2out_finish): Likewise.
1118
1119 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1120
1121         PR middle-end/41952
1122         * fold-const.c (fold_comparison): New folding rule.
1123
1124 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1125
1126         * double-int.h (double_int_setbit): Declare.
1127         * double-int.c (double_int_setbit): New function.
1128         * rtl.h (immed_double_int_const): Declare.
1129         * emit-rtl.c (immed_double_int_const): New function.
1130         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1131         and immed_double_int_const functions.
1132         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1133         expand_copysign_bit):  (Ditto.).
1134         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1135         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1136         * dojump.c (prefer_and_bit_test): (Ditto.).
1137         * expr.c (convert_modes, reduce_to_bit_field_precision,
1138         const_vector_from_tree): (Ditto.).
1139         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1140
1141 2010-04-20  Jan Hubicka  <jh@suse.cz>
1142
1143         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1144         (dump_cgraph_node): Dump new flags.
1145         * cgraph.h (struct cgraph_node): Add flags
1146         reachable_from_other_partition and in_other_partition.
1147         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1148         other partition can not be removed.
1149         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1150         the other partition must be output; silence sanity checking on
1151         leaking functions bodies from other paritition.
1152         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1153         (lto_output_node): Output new flags; do not sanity check that inline
1154         clones are output; drop lto_forced_extern_inline_p code; do not mock
1155         visibility flags at partition boundaries.
1156         (add_node_to): New function.
1157         (output_cgraph): Use it to sort functions so masters appear before
1158         clones.
1159         (input_overwrite_node): Input new flags.
1160         * passes.c (ipa_write_summaries): Do not call
1161         lto_new_extern_inline_states.
1162         * lto-section-out.c (forced_extern_inline,
1163         lto_new_extern_inline_states lto_delete_extern_inline_states,
1164         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1165         * lto-streamer.h (lto_new_extern_inline_states,
1166         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1167         lto_forced_extern_inline_p): Kill.
1168
1169 2010-04-20  Richard Guenther  <rguenther@suse.de>
1170
1171         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1172         from vars that can have pointers.
1173         (process_constraint): Dump useless constraints.
1174
1175 2010-04-20  Richard Guenther  <rguenther@suse.de>
1176
1177         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1178         (dump_sa_points_to_info): Remove asserts.
1179         (init_base_vars): nothing_id isn't an escape point nor does it
1180         have pointers.
1181
1182 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1183
1184         * tree.h (TYPE_REF_IS_RVALUE): Define.
1185         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1186         should_move_die_to_comdat, prune_unused_types_walk): Handle
1187         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1188         (modified_type_die, gen_reference_type_die): Emit
1189         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1190         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1191
1192 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1193
1194         PR target/43635
1195         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1196         calls for -fpic -m31 if they have been sibcall optimized.
1197
1198 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1199
1200         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1201         ar.lc fixed and call-used.
1202
1203         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1204
1205 2010-04-19  Jan Hubicka  <jh@suse.cz>
1206
1207         * opts.c (decode_options): Disable whpr incompatible passes.
1208         * lto/lto.c (lto_1_to_1_map): Skip clones.
1209         (read_cgraph_and_symbols): Do not mark everything as needed.
1210         (do_whole_program_analysis): Do map only after optimizing;
1211         set proper cgraph_state; use passmanager.
1212
1213 2010-04-19  DJ Delorie  <dj@redhat.com>
1214
1215         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1216         POINTER_PLUS_EXPR and fix them.
1217
1218 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1219
1220         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1221         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1222         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1223         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1224         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1225         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1226         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1227         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1228         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1229         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1230         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1231
1232 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1233
1234         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1235         (check_cond_move_block): Likewise.
1236         (cond_move_process_if_block): Likewise.
1237         (noce_find_if_block): Improve formatting.
1238         (find_if_header): Pass 0 to memset and tweak conditions.
1239         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1240
1241 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1242
1243         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1244         for -gdwarf-4.
1245
1246         PR middle-end/43337
1247         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1248         with non-local decl doesn't need chain.
1249
1250 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1251
1252         * ira-color.c (allocno_reload_assign): Avoid accumulating
1253         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1254
1255 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1256
1257         * gimple.h (create_tmp_reg): Declare.
1258         * gimplify.c (create_tmp_reg): New function.
1259         (gimplify_return_expr): Use create_tmp_reg.
1260         (gimplify_omp_atomic): Likewise.
1261         (gimple_regimplify_operands): Likewise.
1262         * tree-dfa.c (make_rename_temp): Likewise.
1263         * tree-predcom.c (predcom_tmp_var): Likewise.
1264         (reassociate_to_the_same_stmt): Likewise.
1265         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1266         (get_replaced_param_substitute): Likewise.
1267         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1268         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1269         * tree-ssa-pre.c (get_representative_for): Likewise.
1270         (create_expression_by_pieces): Likewise.
1271         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1272         (create_tailcall_accumulator): Likewise.
1273
1274 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1275
1276         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1277         new_stmt.
1278         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1279
1280 2010-04-19  Richard Guenther  <rguenther@suse.de>
1281
1282         PR tree-optimization/43796
1283         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1284         from SCEV in the lattice.
1285         (vrp_visit_phi_node): Dump change.
1286
1287 2010-04-19  Richard Guenther  <rguenther@suse.de>
1288
1289         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1290         * configure: Re-generated.
1291
1292 2010-04-19  Richard Guenther  <rguenther@suse.de>
1293
1294         PR tree-optimization/43783
1295         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1296         constant ARRAY_REF operands two and three if possible.
1297
1298 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1299
1300         PR target/43766
1301         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1302
1303 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1304
1305         PR target/43662
1306         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1307
1308 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1309
1310         PR tree-optimization/37027
1311         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1312         and macro to access it.
1313         (vectorizable_reduction): Add argument.
1314         (vect_get_slp_defs): Likewise.
1315         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1316         statements for possible use in SLP.
1317         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1318         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1319         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1320         add new argument.
1321         (vectorizable_reduction): Likewise.
1322         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1323         vect_get_slp_defs.
1324         (vectorizable_type_demotion, vectorizable_type_promotion,
1325         vectorizable_store): Likewise.
1326         (vect_analyze_stmt): Update call to vectorizable_reduction.
1327         (vect_transform_stmt): Likewise.
1328         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1329         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1330         from different interleaving chains in same node.
1331         (vect_slp_rearrange_stmts): New function.
1332         (vect_supported_load_permutation_p): Allow load permutations for
1333         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1334         inside SLP nodes if necessary.
1335         (vect_analyze_slp_instance): Handle reductions.
1336         (vect_analyze_slp): Try to build SLP instances originating from groups
1337         of reductions.
1338         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1339         (vect_get_constant_vectors): Create initial vectors for reductions
1340         according to reduction code. Add new argument.
1341         (vect_get_slp_defs): Add new argument, pass it to
1342         vect_get_constant_vectors.
1343         (vect_schedule_slp_instance): Remove SLP tree root statements.
1344
1345 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1346
1347         * tree.h (ENUM_IS_SCOPED): Define.
1348         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1349         for ENUM_IS_SCOPED enums.
1350
1351 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1352
1353         * fold-const.c (fold_comparison): Use ssizetype.
1354         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1355         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1356         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1357         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1358
1359         * tree.h (initialize_sizetypes): Remove parameter.
1360         (build_common_tree_nodes): Remove second parameter.
1361         * stor-layout.c (initialize_sizetypes): Remove parameter.
1362         Always create an unsigned type.
1363         (set_sizetype): Assert that the passed type is unsigned and simplify.
1364         * tree.c (build_common_tree_nodes): Remove second parameter.
1365         Adjust call to initialize_sizetypes.
1366         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1367         build_common_tree_nodes.
1368
1369 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1370
1371         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1372
1373 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1374
1375         PR tree-optimization/43771
1376         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1377         load permutation doesn't have gaps.
1378
1379 2010-04-18  Jan Hubicka  <jh@suse.cz>
1380
1381         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1382         (sse_prologue_save_insn expander): Use new pattern.
1383         (sse_prologue_save_insn1): New pattern and splitter.
1384         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1385         blocks.
1386         * i386.c (setup_incoming_varargs_64): Do not compute jump
1387         destination here.
1388         (ix86_gimplify_va_arg): Update alignment needed.
1389         (ix86_local_alignment): Do not align all local arrays to 128bit.
1390
1391 2010-04-17  Jan Hubicka  <jh@suse.cz>
1392
1393         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1394
1395 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1396
1397         * arm.md (negdi2): Remove redundant code to force values into a
1398         register.
1399
1400 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1401
1402         * arm/bpabi.S: Add EABI alignment attributes to objects.
1403         * arm/bpabi-v6m.S: Likewise.
1404         * arm/crti.asm: Likewise.
1405         * arm/crtn.asm: Likewise.
1406         * arm/lib1funcs.asm: Likewise.
1407         * arm/libunwind.S: Likewise.
1408
1409 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1410
1411         * arm-protos.h (tune_params): New structure.
1412         * arm.c (current_tune): New variable.
1413         (arm_constant_limit): Delete.
1414         (struct processors): Add pointer to the tune parameters.
1415         (arm_slowmul_tune): New tuning option.
1416         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1417         (all_cores): Adjust to pick up the tuning model.
1418         (arm_constant_limit): New function.
1419         (arm_override_options): Select the appropriate tuning model.  Delete
1420         initialization of arm_const_limit.
1421         (arm_split_constant): Use the new constant-limit model.
1422         (arm_rtx_costs): Pick up the current tuning model.
1423         * arm.md (is_strongarm, is_xscale): Delete.
1424         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1425         for Xscale variant architectures.
1426         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1427
1428 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1429
1430         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1431         can_shift.
1432         (arm_rtx_costs_1): Remove unused variable extra_cost.
1433         (arm_unwind_emit_set): Use variable offset.
1434         (thumb1_output_casesi): Remove unused variable flags.
1435
1436 2010-04-16  Jeff Law  <law@redhat.com>
1437
1438         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1439         needing assignment rather than doing a two-phase assignment.  Remove
1440         unused variable 'm'.
1441
1442 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1443
1444         PR bootstrap/43767
1445         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1446
1447 2010-04-16  Doug Kwan  <dougkwan@google.com>
1448
1449         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1450         (next_operand_entry_id): New static variable.
1451         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1452         (add_to_ops_vec): Assigned unique ID to operand entry.
1453         (struct oecount_s): New field ID.
1454         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1455         (undistribute_ops_list): Assign unique IDs to oecounts.
1456         (init_reassoc): reset next_operand_entry_id.
1457
1458 2010-04-16  Doug Kwan  <dougkwan@google.com>
1459
1460         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1461         missing left parenthesis.
1462
1463 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1464
1465         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1466         *btdi_rex64 using SWI48 mode iterator.
1467         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1468         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1469         *jcc_btdi_mask_rex64.
1470
1471 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1472
1473         * double-int.h (tree_to_double_int): Convert to macro.
1474         * double-int.c (tree_to_double_int): Remove.
1475
1476 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1477
1478         PR debug/43762
1479         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1480         with want_address 2 and in case a single element list might be
1481         possible, call it again with want_address 0.
1482
1483 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1484
1485         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1486         case 'W' print operands for HI mode.
1487         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1488         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1489         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1490         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1491
1492         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1493
1494         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1495         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1496         #xx:3 and #xx:4 mode.
1497
1498         * config/h8300/h8300.md (inverted load with HImode dest): Add
1499         support for H8300SX.
1500
1501         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1502         satisfy 'U' constraint.
1503
1504 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1505
1506         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1507         * configure: Regenerate.
1508         * config.in: Regenerate.
1509         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1510         works.
1511
1512 2010-04-16  Richard Guenther  <rguenther@suse.de>
1513
1514         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1515         (struct tree_decl_common): ... here.
1516         (DECL_PT_UID): Adjust.
1517         (SET_DECL_PT_UID): Likewise.
1518         (DECL_PT_UID_SET_P): Likewise.
1519
1520 2010-04-16  Richard Guenther  <rguenther@suse.de>
1521
1522         PR tree-optimization/43572
1523         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1524         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1525         * tree-flow.h (is_call_clobbered): Remove.
1526         * tree-flow-inline.h (is_call_clobbered): Likewise.
1527         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1528         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1529         (execute_return_slot_opt): Adjust.
1530         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1531         check for call clobbered vars here.
1532         (find_tail_calls): Move tailcall verification to the
1533         proper place.
1534
1535 2010-04-16  Diego Novillo  <dnovillo@google.com>
1536
1537         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1538
1539 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1540
1541         PR target/40603
1542         * config/arm/arm.md (cbranchqi4): New pattern.
1543         * config/arm/predicates.md (const0_operand,
1544         cbranchqi4_comparison_operator): New predicates.
1545
1546 2010-04-16  Richard Guenther  <rguenther@suse.de>
1547
1548         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1549         (dump_gimple_stmt): Likewise.
1550
1551 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1552
1553         * recog.h (struct recog_data): New field is_operator.
1554         (struct insn_operand_data): New field is_operator.
1555         * recog.c (extract_insn): Set recog_data.is_operator.
1556         * genoutput.c (output_operand_data): Emit code to set the
1557         is_operator field.
1558         * reload.c (find_reloads): Use it rather than testing for an
1559         empty constraint string.
1560
1561         PR target/41514
1562         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1563         If the previous insn is a cbranchsi4_insn with the same arguments,
1564         omit the compare instruction.
1565
1566         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1567         register, inputs must be low registers and we need a low register
1568         scratch.  Handle alternative 2 like alternative 3.
1569
1570 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1571
1572         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1573         don't call get_addr on both.  If one expression is a VALUE and
1574         the other a REG, check VALUE's locs if the REG isn't among them.
1575
1576 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1577
1578         * config/sh/sh.h (sh_frame_pointer_required): New function.
1579         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1580         (flag_omit_frame_pointer) Set.
1581         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1582         (rounded_frame_size): Adjust size with outgoing_args_size.
1583         (sh_set_return_address): Must return from stack pointer.
1584         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1585         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1586         (ACCUMULATE_OUTGOING_ARGS): Define.
1587         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1588         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1589
1590 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1591
1592         PR target/43471
1593         * config/sh/sh.c (sh_legitimize_reload_address): Use
1594         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1595         Remove a unneeded check for offset_base.
1596
1597 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1598
1599         * configure: Regenerated.
1600
1601 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1602
1603         * config/s390/s390.c (s390_call_save_register_used): Switch back
1604         to HARD_REGNO_NREGS.
1605
1606 2010-04-15  Richard Guenther  <rguenther@suse.de>
1607
1608         * alias.c (alias_set_subset_of): Handle alias-set zero
1609         child properly.
1610
1611 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1612             Julian Brown  <julian@codesourcery.com>
1613
1614         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1615         alternatives according to use of high and low regs.
1616         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1617         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1618         optimizing for size on Thumb-2.
1619
1620 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1621
1622         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1623
1624 2010-04-15  Richard Guenther  <rguenther@suse.de>
1625
1626         * tree-ssa-structalias.c (struct variable_info): Add
1627         is_fn_info flag.
1628         (new_var_info): Initialize it.
1629         (dump_constraints): Support printing last added constraints.
1630         (debug_constraints): Adjust.
1631         (dump_constraint_graph): Likewise.
1632         (make_heapvar_for): Check for NULL cfun.
1633         (get_function_part_constraint): New function.
1634         (get_fi_for_callee): Likewise.
1635         (find_func_aliases): Properly implement IPA PTA constraints.
1636         (process_ipa_clobber): New function.
1637         (find_func_clobbers): Likewise.
1638         (insert_into_field_list_sorted): Remove.
1639         (create_function_info_for): Properly allocate vars for IPA mode.
1640         Do not use insert_into_field_list_sorted.
1641         (create_variable_info_for): Properly generate constraints for
1642         global vars in IPA mode.
1643         (dump_solution_for_var): Always dump the solution.
1644         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1645         (find_what_var_points_to): Adjust.
1646         (pt_solution_set): Change.
1647         (pt_solution_ior_into): New function.
1648         (pt_solution_empty_p): Export.
1649         (pt_solution_includes_global): Adjust.
1650         (pt_solution_includes_1): Likewise.
1651         (pt_solutions_intersect_1): Likewise.
1652         (dump_sa_points_to_info): Check some invariants.
1653         (solve_constraints): Move constraint dumping ...
1654         (compute_points_to_sets): ... here.
1655         (ipa_pta_execute): ... and here.
1656         (compute_may_aliases): Do not re-compute points-to info
1657         locally if IPA info is available.
1658         (ipa_escaped_pt): New global var.
1659         (ipa_pta_execute): Properly implement IPA PTA.
1660         * tree-into-ssa.c (dump_decl_set): Support dumping
1661         decls not in referenced-vars.
1662         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1663         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1664         (dump_points_to_solution): Likewise.
1665         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1666         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1667         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1668         (copy_decl_to_var): Copy DECL_PT_UID.
1669         (copy_result_decl_to_var): Likewise.
1670         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1671         (copy_node_stat): Copy it.
1672         * tree.h (DECL_PT_UID): New macro.
1673         (SET_DECL_PT_UID): Likewise.
1674         (DECL_PT_UID_SET_P): Likewise.
1675         (struct tree_decl_minimal): Add pt_uid member.
1676         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1677         (pt_solution_empty_p): Declare.
1678         (pt_solution_set): Adjust.
1679         (ipa_escaped_pt): Declare.
1680         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1681         * gimple-pretty-print.c (pp_points_to_solution): New function.
1682         (dump_gimple_call): Dump call clobber/use information.
1683         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1684         * tree-pass.h (TDF_ALIAS): New dump option.
1685         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1686         * doc/invoke.texi (-fipa-pta): Update documentation.
1687
1688 2010-04-15  Richard Guenther  <rguenther@suse.de>
1689
1690         * Makefile.in (OBJS-common): Add gimple-fold.o.
1691         (gimple-fold.o): New rule.
1692         * tree.h (maybe_fold_offset_to_reference,
1693         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1694         prototypes ...
1695         * gimple.h: ... here.
1696         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1697         may_propagate_address_into_dereference): Move prototypes ...
1698         * gimple.h: ... here.
1699         * tree-ssa-ccp.c (get_symbol_constant_value,
1700         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1701         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1702         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1703         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1704         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1705         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1706         gimplify_and_update_call_from_tree): Move ...
1707         * gimple-fold.c: ... here.  New file.
1708         (ccp_fold_builtin): Rename to ...
1709         (gimple_fold_builtin): ... this.
1710         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1711
1712 2010-04-15  Richard Guenther  <rguenther@suse.de>
1713
1714         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1715         fit_double_type, force_fit_type_double, add_double_with_sign,
1716         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1717         lrotate_double, rrotate_double, div_and_round_double): Move ...
1718         * double-int.c: ... here.
1719         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1720         add_double, neg_double, mul_double_with_sign, mul_double,
1721         lshift_double, rshift_double, lrotate_double, rrotate_double,
1722         div_and_round_double): Move prototypes ...
1723         * double-int.h: ... here.
1724
1725 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1726
1727         PR target/43742
1728         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1729         matching constraints to ensure inputs match the output.
1730
1731 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1732
1733         PR target/43742
1734         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1735         in an input-only operand.
1736
1737 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1738
1739         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1740         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1741         (double_int_negative_p): Convert to static inline function.
1742         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1743         (double_int_negative_p): Remove.
1744         * tree.h (lshift_double, rshift_double):
1745         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1746         * fold-const.c (fold_convert_const_int_from_real,
1747         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1748         (lshift_double): Change type of arith argument to bool.
1749         (rshift_double): Change type of arith argument to bool. Correct
1750         comment.
1751         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1752
1753 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1754
1755         PR target/21803
1756         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1757         at the start and end of the then/else blocks, and omit them from the
1758         conversion.
1759         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1760         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1761         (flow_find_head_matching_sequence): New function.
1762         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1763         * basic-block.h (flow_find_cross_jump,
1764         flow_find_head_matching_sequence): Declare functions.
1765
1766 2010-04-14  Jason Merrill  <jason@redhat.com>
1767
1768         PR c++/36625
1769         * c-common.c (attribute_takes_identifier_p): New fn.
1770         * c-common.h: Declare it.
1771
1772 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1773
1774         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1775         splitter condition.
1776         (*udivmod<mode>4): Ditto.
1777
1778 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1779
1780         * config/i386/i386.md (maxmin_int): Rename code attribute from
1781         maxminiprefix and update all users.
1782         (maxmin_float): Ditto from maxminfprefix.
1783         (logic): Ditto from logicprefix.
1784         (absneg_mnemonic): Ditto from absnegprefix.
1785         * config/i386/mmx.md: Update all users of maxminiprefix,
1786         maxminfprefix and logicprefix for rename.
1787         * config/i386/sse.md: Ditto.
1788         * config/i386/sync.md (sync_<code><mode>): Update for
1789         logicprefix rename.
1790
1791 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1792
1793         PR 42966
1794         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1795         warnings converted to errors.
1796
1797 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1798
1799         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1800         used insn_type variable.
1801         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1802         to avoid set-but-not-used warning.
1803
1804 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1805
1806         * df-core.c (df_ref_debug): Change format string placeholder
1807         from 0x%x to %#x.
1808         * dwarf2asm.c (dw2_asm_output_data_raw,
1809         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1810         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1811         * dwarf2out.c (output_cfi, output_cfi_directive,
1812         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1813         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1814         Ditto.
1815         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1816         * print-rtl.c (print_rtx): Ditto.
1817
1818 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1819
1820         PR middle-end/42694
1821         * builtins.c (expand_builtin_pow_root): New function to expand pow
1822         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1823         series of sqrt and cbrt calls under -ffast-math.
1824         (expand_builtin_pow): Call it.
1825
1826 2010-04-14  Michael Matz  <matz@suse.de>
1827
1828         PR tree-optimization/42963
1829         * tree-cfg.c (touched_switch_bbs): New static variable.
1830         (group_case_labels_stmt): New function broken out from ...
1831         (group_case_labels): ... here, use the above.
1832         (start_recording_case_labels): Allocate touched_switch_bbs.
1833         (end_recording_case_labels): Deallocate it, call
1834         group_case_labels_stmt.
1835         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1836
1837 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1838
1839         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1840         from insn template.
1841
1842 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1843
1844         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1845
1846 2010-04-13  Jan Hubicka  <jh@suse.cz>
1847
1848         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1849         of optimized out static functions.
1850         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1851         cost computation.  Also sanity check for overflows.
1852         (update_caller_keys): Update cgraph_edge_badness call; properly
1853         update fibheap and sanity check that it is up to date.
1854         (add_new_edges_to_heap): Update cgraph_edge_badness.
1855         (cgraph_decide_inlining_of_small_function): Likewise;
1856         add sanity checking that badness in heap is up to date;
1857         improve dumping of reason; Update badness of calls to the
1858         offline copy of function currently inlined; dump badness
1859         of functions not inlined because of unit growth limits.
1860
1861 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1862
1863         PR middle-end/32628
1864         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1865         because of sign-extension change when converting to sizetype here...
1866         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1867
1868         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1869         the folding to constants.  Remove redundant final conversion.
1870         (fold_binary) <associate>: Do not associate if the re-association of
1871         constants alone overflows.
1872         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1873         to the end of the list.
1874         (multiple_of_p) <COND_EXPR>: New case.
1875
1876 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1877
1878         * opt-functions.awk (opt_sanitized_name): New.
1879         (opt_enum): New.
1880         * optc-gen.awk: Use it
1881         * opth-gen.awk: Use it.
1882
1883 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1884
1885         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1886         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1887         children.  Call replace_uses_with_default_def_ssa_name to handle
1888         SSA_NAES on lhs.
1889
1890 2010-04-13  Michael Matz  <matz@suse.de>
1891
1892         PR middle-end/43730
1893         * builtins.c (expand_builtin_interclass_mathfn): Also create
1894         a register if the predicate doesn't match.
1895
1896 2010-04-13  Diego Novillo  <dnovillo@google.com>
1897
1898         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1899         * c-pch.c: Include timevar.h.
1900         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1901         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1902         * ggc-common.c: Include timevar.h.
1903         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1904         * timevar.def (TV_PCH_SAVE): Define.
1905         (TV_PCH_CPP_SAVE): Define.
1906         (TV_PCH_PTR_REALLOC): Define.
1907         (TV_PCH_PTR_SORT): Define.
1908         (TV_PCH_RESTORE): Define.
1909         (TV_PCH_CPP_RESTORE): Define.
1910
1911 2010-04-13  Michael Matz  <matz@suse.de>
1912
1913         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1914         into MINUS_EXPRs.
1915         (can_reassociate_p): New function.
1916         (break_up_subtract_bb, reassociate_bb): Use it.
1917
1918 2010-04-13  Richard Guenther  <rguenther@suse.de>
1919
1920         PR bootstrap/43737
1921         * builtins.c (c_readstr): Fix assert.
1922
1923 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1924
1925         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1926         when generating cltd insn.
1927
1928         (*ashl<mode>3_1): Remove special handling for register operand 2.
1929         (*ashlsi3_1_zext): Ditto.
1930         (*ashlhi3_1): Ditto.
1931         (*ashlhi3_1_lea): Ditto.
1932         (*ashlqi3_1): Ditto.
1933         (*ashlqi3_1_lea): Ditto.
1934         (*<shiftrt_insn><mode>3_1): Ditto.
1935         (*<shiftrt_insn>si3_1_zext): Ditto.
1936         (*<shiftrt_insn>qi3_1_slp): Ditto.
1937         (*<rotate_insn><mode>3_1): Ditto.
1938         (*<rotate_insn>si3_1_zext): Ditto.
1939         (*<rotate_insn>qi3_1_slp): Ditto.
1940
1941 2010-04-13  Richard Guenther  <rguenther@suse.de>
1942
1943         * tree-ssa-structalias.c (callused_id): Remove.
1944         (call_stmt_vars): New.
1945         (get_call_vi): Likewise.
1946         (lookup_call_use_vi): Likewise.
1947         (lookup_call_clobber_vi): Likewise.
1948         (get_call_use_vi): Likewise.
1949         (get_call_clobber_vi): Likewise.
1950         (make_transitive_closure_constraints): Likewise.
1951         (handle_const_call): Adjust to do per-call call-used handling.
1952         (handle_pure_call): Likewise.
1953         (find_what_var_points_to): Remove general callused handling.
1954         (init_base_vars): Likewise.
1955         (init_alias_vars): Initialize call_stmt_vars.
1956         (compute_points_to_sets): Process call-used and call-clobbered
1957         vars for call statements.
1958         (delete_points_to_sets): Free call_stmt_vars.
1959
1960 2010-04-13  Richard Guenther  <rguenther@suse.de>
1961
1962         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1963         Only add RW dependence for dependence distance zero.
1964         Adjust maximal vectorization factor according to dependences.
1965         Move alignment handling ...
1966         (vect_find_same_alignment_drs): ... here.  New function.
1967         (vect_analyze_data_ref_dependences): Adjust.
1968         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1969         (vect_analyze_data_refs): Adjust minimal vectorization factor
1970         according to data references.
1971         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1972         dependences before determining the vectorization factor.
1973         Analyze alignment after determining the vectorization factor.
1974         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1975         dependences before alignment.
1976         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1977         Adjust prototype.
1978         (vect_analyze_data_refs): Likewise.
1979         (MAX_VECTORIZATION_FACTOR): New define.
1980
1981 2010-04-13  Duncan Sands  <baldrick@free.fr>
1982
1983         * except.h (lang_eh_type_covers): Remove.
1984         * except.c (lang_eh_type_covers): Likewise.
1985
1986 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1987             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1988
1989         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1990         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1991         UNITS_PER_LONG where it is ABI relevant.
1992         (s390_return_addr_rtx): Likewise.
1993         (s390_back_chain_rtx): Likewise.
1994         (s390_frame_area): Likewise.
1995         (s390_frame_info): Likewise.
1996         (s390_initial_elimination_offset): Likewise.
1997         (save_gprs): Likewise.
1998         (s390_emit_prologue): Likewise.
1999         (s390_emit_epilogue): Likewise.
2000         (s390_function_arg_advance): Likewise.
2001         (s390_function_arg): Likewise.
2002         (s390_va_start): Likewise.
2003         (s390_gimplify_va_arg): Likewise.
2004         (s390_function_profiler): Likewise.
2005         (s390_optimize_prologue): Likewise.
2006         (s390_rtx_costs): Likewise.
2007         (s390_secondary_reload): Likewise.
2008         (s390_promote_function_mode): Likewise.
2009         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2010         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2011         registers available.
2012         (s390_unwind_word_mode): New function.
2013         (s390_function_value): Split 64 bit values into register pair if
2014         used as return value.
2015         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2016         function call parameters.  Handle parallels.
2017         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2018         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2019         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2020         (s390_expand_setmem): Remove unused variable src_addr.
2021         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2022         deal with 64 bit registers.
2023         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2024         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2025         (UNITS_PER_LONG): New macro.
2026         * libjava/include/s390-signal.h: Define extended ucontext
2027         structure containing the upper halfs of the 64 bit registers.
2028
2029 2010-04-13  Simon Baldwin  <simonb@google.com>
2030
2031         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2032
2033 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2034
2035         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2036         rvalue on the RHS if the LHS is of a non-renamable type.
2037         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2038
2039 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2040
2041         * gcc.c (cc1_options): Handle -iplugindir before processing
2042         the cc1 spec. Only add -iplugindir once.
2043         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2044         found.
2045         * common.opt (iplugindir): Remove `Separate' property, initialize.
2046         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2047         option.
2048         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2049         (distclean): Remove plugin dir.
2050         * doc/invoke.texi: Document -iplugindir.
2051
2052 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2053
2054         * doc/plugins.texi (Loading Plugins): Document short
2055         -fplugin=foo option.
2056         (Plugin API): Mention default_plugin_dir_name function.
2057
2058         * gcc.c (find_file_spec_function): Add new declaration.
2059         (static_spec_func): Use it for "find-file".
2060         (find_file_spec_function): Add new function.
2061         (cc1_options): Add -iplugindir option if -fplugin* options found.
2062
2063         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2064
2065         * plugin.c (add_new_plugin): Updated comment, and handle short
2066         plugin name.
2067         (default_plugin_dir_name): Added new function.
2068
2069         * common.opt (iplugindir): New option to set the plugin directory.
2070
2071 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2072
2073         * config/i386/i386.md (any_rotate): New code iterator.
2074         (rotate_insn): New code attribute.
2075         (rotate): Ditto.
2076         (SWIM124): New mode iterator.
2077         (<rotate_insn>ti3): New expander.
2078         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2079         any_rotate code iterator.
2080         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2081         using any_rotate code iterator and SWIM124 mode iterator.
2082         (ix86_rotlti3): New insn_and_split pattern.
2083         (ix86_rotrti3): Ditto.
2084         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2085         ix86_rotl{di,ti}3 patterns.
2086         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2087         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2088         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2089         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2090         code iterator and SWI mode iterator.
2091         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2092         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2093         code iterator.
2094         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2095         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2096         (bswap rotatert splitter): Add splitter.
2097         (bswap splitter): Macroize splitter using any_rotate code iterator.
2098         Add insn predicate to split only for TARGET_USE_XCHGB or when
2099         optimizing function for size.
2100
2101 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2102
2103         * config/pa/pa.c (emit_move_sequence): Remove use of
2104         deleted variable flag_argument_noalias.
2105
2106 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2107
2108         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2109         configurations.
2110         Add to unsupported targets list.
2111         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2112         sparc*-sun-solaris2.[567]* from target lists.
2113         * configure: Regenerate.
2114         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2115         removal.
2116         Remove Solaris 7 patch references.
2117         (Specific, sparc-sun-solaris2.7): Removed.
2118         (sparc-sun-solaris2*): Update Solaris 7 example.
2119         (sparc64-*-solaris2*): Likewise.
2120
2121 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2122
2123         * config.build (alpha*-dec-osf4*): Remove.
2124         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2125         of obsolete configurations.
2126         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2127         support.
2128         * config/alpha/t-osf4: Renamed to ...
2129         * config/alpha/t-osf5: ... this.
2130         * config/alpha/osf.h: Renamed to ...
2131         * config/alpha/osf5.h: ... this.
2132         Merged old osf5.h contents.
2133         Update comments.
2134         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2135         (EXTRA_SPECS): Removed.
2136         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2137         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2138         Document that.
2139
2140 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2141
2142         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2143
2144 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2145
2146         PR/43702
2147         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2148         __thiscall convention.
2149
2150 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2151
2152         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2153         orig_base.
2154         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2155
2156 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2157
2158         * function.c (assign_parms_initialize_all): Add unused attribute
2159         to fntype.
2160
2161 2010-04-12  Richard Guenther  <rguenther@suse.de>
2162
2163         * gsstruct.def (GSS_CALL): New.
2164         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2165         * gimple.h: Include tree-ssa-alias.h.
2166         (struct gimple_statement_call): New.
2167         (union gimple_statement_struct_d): Add gimple_call member.
2168         (gimple_call_reset_alias_info): Declare.
2169         (gimple_call_use_set): New function.
2170         (gimple_call_clobber_set): Likewise.
2171         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2172         * gimple.c (gimple_call_reset_alias_info): New function.
2173         (gimple_build_call_1): Call it.
2174         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2175         * tree-inline.c (remap_gimple_stmt): Likewise.
2176         (expand_call_inline): Remove callused handling.
2177         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2178         * tree-dfa.c (dump_variable): Likewise.
2179         * tree-parloops.c (parallelize_loops): Likewise.
2180         * tree-ssa.c (init_tree_ssa): Likewise.
2181         (delete_tree_ssa): Likewise.
2182         * tree-flow-inline.h (is_call_used): Remove.
2183         * tree-flow.h (struct gimple_df): Remove callused member.
2184         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2185         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2186         (ref_maybe_used_by_call_p_1): Simplify.
2187         (call_may_clobber_ref_p_1): Likewise.
2188         * tree-ssa-structalias.c (compute_points_to_sets): Set
2189         the call stmt used and clobbered sets.
2190         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2191         (find_tail_calls): Verify the tail call.
2192
2193 2010-04-12  Richard Guenther  <rguenther@suse.de>
2194
2195         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2196         single-iteration always-inline inlining.
2197         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2198         (cgraph_decide_inlining): Do not handle always-inline specially.
2199         (try_inline): Remove always-inline cycle detection special case.
2200         Do not recurse on always-inlines.
2201         (cgraph_early_inlining): Do not iterate if not optimizing.
2202         (cgraph_gate_early_inlining): remove.
2203         (pass_early_inline): Run unconditionally.
2204         (gate_cgraph_decide_inlining): New function.
2205         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2206         not inlining or optimizing.
2207         (cgraph_decide_inlining_of_small_functions): Also consider
2208         always-inline functions.
2209         (cgraph_default_inline_p): Return true for nodes which should
2210         disregard inline limits.
2211         (estimate_function_body_sizes): Assume zero size and time for
2212         nodes which are marked as disregarding inline limits.
2213         (cgraph_decide_recursive_inlining): Do not perform recursive
2214         inlining on always-inline nodes.
2215
2216 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2217
2218         PR bootstrap/43699
2219         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2220         for exprs satisfying handled_component_p.
2221
2222 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2223
2224         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2225         non-constant aggregate elements.
2226
2227         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2228         is a real initialization.
2229
2230 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2231
2232         PR c/36774
2233         * c-decl.c (start_function): Move forward check for nested function.
2234
2235 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2236
2237         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2238         * config/sh/sh.c: Include reload.h.
2239         (sh_legitimize_reload_address): New.
2240         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2241         sh_legitimize_reload_address.
2242
2243 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2244
2245         * config/sh/sh.md (*movqi_pop): New insn pattern.
2246         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2247
2248 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2249
2250         * config/i386/i386.md (any_shiftrt): New code iterator.
2251         (shiftrt_insn): New code attribute.
2252         (shiftrt): Ditto.
2253         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2254         using any_shiftrt code iterator.
2255         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2256         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2257         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2258         pattern from corresponding peephole2 patterns.
2259         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2260         using any_shiftrt code iterator.
2261         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2262         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2263         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2264         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2265         *{ashr,lshr}<mode>3_cmp_zext.
2266         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2267
2268 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2269
2270         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2271         scratch register.
2272         (*lshr<mode>3_cconly): Ditto.
2273
2274 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2275
2276         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2277         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2278         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2279         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2280         DWI mode iterator.
2281         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2282         from corresponding peephole2 patterns.
2283         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2284         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2285         and *lshrdi3_1_rex64 using SWI mode iterator.
2286         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2287         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2288         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2289         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2290         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2291         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2292         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2293         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2294         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2295         SWI mode iterator.
2296
2297 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2298
2299         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2300         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2301         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2302         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2303         DWI mode iterator.
2304         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2305         from corresponding peephole2 patterns.
2306         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2307         (ashrsi3_cvt): Rename from ashrsi3_31.
2308         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2309         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2310         and x86_64_shift_adj_3 using SWI48 mode iterator.
2311         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2312         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2313         and *ashrdi3_1_rex64 using SWI mode iterator.
2314         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2315         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2316         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2317         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2318         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2319         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2320         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2321         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2322         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2323         SWI mode iterator.
2324         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2325         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2326         x86_shift<mode>_adj_3 expanders.
2327
2328 2010-04-10  Wei Guozhi  <carrot@google.com>
2329
2330         PR target/42601
2331         * config/arm/arm.c (arm_pic_static_addr): New function.
2332         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2333         a static symbol.
2334         (arm_output_addr_const_extra): Output expression for new pattern.
2335         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2336
2337 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2338
2339         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2340         not enabled.
2341
2342         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2343         * web.c: Include "insn-config.h" and "recog.h".
2344         (union_match_dups): New function.
2345         (web_main): Call it.
2346         (union_defs): Don't try to recognize match_dups.
2347
2348         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2349         if doing so would replace the entire pattern.
2350
2351 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2352
2353         PR target/43707
2354         PR target/43709
2355         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2356         and splitter pattern.  Change splitter operand 1 predicate to
2357         nonmemory_operand.
2358
2359 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2360
2361         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2362         lattices are addresses of CONST_DECLs with the same initial value.
2363         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2364         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2365
2366 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2367             Bernd Schmidt  <bernds@codesourcery.com>
2368
2369         * loop-invariant.c (replace_uses): New static function.
2370         (move_invariant_reg): Use it to ensure we can replace the uses.
2371
2372 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2373
2374         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2375         function template.
2376         (picochip_override_options): Enable section anchors only above -O1.
2377         (picochip_reorg): Fixed a couple of build warnings.
2378
2379 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2380
2381         * configure.ac (plugin -rdynamic test): Log result.
2382         * configure: Regenerate.
2383         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2384         (RDYNAMIC_SPEC): Define.
2385         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2386
2387 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2388
2389         * configure.ac: Determine Sun ld version numbers.
2390         (comdat_group): Restrict GNU ld version checks to gld.
2391         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2392         (enable_comdat): Support --enable-comdat.
2393         * configure: Regenerate.
2394         * doc/install.texi (Configuration): Document --enable-comdat.
2395
2396 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2397
2398         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2399         * config/sol2-gld.h: ... here.
2400         * config.gcc (sparc*-*-solaris2*): Reflect this.
2401         (i[34567]86-*-solaris2*): Use it.
2402
2403 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2404
2405         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2406         setup_clocks_p.
2407         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2408
2409 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2410
2411         PR 42965
2412         * diagnostic.c (diagnostic_initialize): Initialize
2413         some_warnings_are_errors.
2414         (diagnostic_finish): New.
2415         (diagnostic_action_after_output): Call it before exiting.
2416         (diagnostic_report_diagnostic): Do not print message here. Set
2417         some_warnings_are_errors.
2418         * diagnostic.h (diagnostic_context): Delete
2419         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2420         (diagnostic_finish): Declare.
2421         * toplev.c (toplev_main): Call it before exit.
2422
2423 2010-04-09  Jason Merrill  <jason@redhat.com>
2424
2425         PR c++/42623
2426         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2427         for incomplete type.
2428
2429         PR c++/41788
2430         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2431         based on a warning flag.
2432
2433 2010-04-09  Richard Guenther  <rguenther@suse.de>
2434
2435         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2436
2437 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2438
2439         PR bootstrap/43684
2440         * varasm.c (default_assemble_visibility): Wrap vars that are
2441         set, but unused, by targets without GAS.
2442         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2443         Remove set, but unused, vars.
2444         (rs6000_legitimize_tls_address): Likewise.
2445         (altivec_expand_dst_builtin): Likewise.
2446         * config/darwin.c (machopic_classify_symbol): Likewise.
2447         (machopic_indirection_name): Likewise.
2448
2449 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2450
2451         * config/i386/i386.md (DWI): New mode iterator.
2452         (S): New mode attribute.
2453         (shift_operand): Ditto.
2454         (shift_immediate_operand): Ditto.
2455         (ashl_input_operand): Ditto.
2456         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2457         using SDWIM mode iterator.
2458         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2459         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2460         DWI mode iterator.
2461         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2462         from corresponding peephole2 patterns.
2463         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2464         and x86_64_shift_adj_1 using SWI48 mode iterator.
2465         (x86_shift<mode>_adj_2): Ditto.
2466         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2467         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2468         using SWI48 mode iterator.
2469         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2470         *ashldi3_cmp_rex64 using SWI mode iterator.
2471         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2472         *ashldi3_cconly_rex64 using SWI mode iterator.
2473         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2474         x86_shift<mode>_adj_{1,2}.
2475         (ix86_split_ashr): Ditto.
2476         (ix86_split_lshr): Ditto.
2477
2478 2010-04-09  Richard Guenther  <rguenther@suse.de>
2479
2480         * target.h (builtin_conversion): Pass in input and output types.
2481         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2482         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2483         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2484         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2485
2486         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2487         Handle AVX modes.
2488         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2489
2490 2010-04-09  Richard Guenther  <rguenther@suse.de>
2491
2492         PR target/43152
2493         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2494
2495 2010-04-09  Richard Guenther  <rguenther@suse.de>
2496
2497         * tree-vectorizer.h (struct _stmt_vec_info): Document
2498         that vectype is the type of the LHS.
2499         (supportable_widening_operation, supportable_narrowing_operation):
2500         Get both input and output vector types as arguments.
2501         (vect_is_simple_use_1): Declare.
2502         (get_same_sized_vectype): Likewise.
2503         * tree-vect-loop.c (vect_determine_vectorization_factor):
2504         Set STMT_VINFO_VECTYPE to the vector type of the def.
2505         (vectorizable_reduction): Adjust.
2506         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2507         Adjust.  Specify the output vector type.
2508         (vect_pattern_recog_1): Adjust.
2509         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2510         (vectorizable_call): Adjust.
2511         (vectorizable_conversion): Likewise.
2512         (vectorizable_operation): Likewise.
2513         (vectorizable_type_demotion): Likewise.
2514         (vectorizable_type_promotion): Likewise.
2515         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2516         the def.
2517         (vect_is_simple_use_1): New function.
2518         (supportable_widening_operation): Get both input and output
2519         vector types.
2520         (supportable_narrowing_operation): Likewise.
2521         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2522
2523 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2524
2525         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2526         __thiscall and _thiscall as predefined macros.
2527         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2528         thiscall attribute handling.
2529         (ix86_comp_type_attributes): Likewise.
2530         (ix86_function_regparm): Likewise.
2531         (ix86_return_pops_args): Likewise.
2532         (init_cumulative_args): Likewise.
2533         (find_drap_reg): Likewise.
2534         (ix86_static_chain): Likewise.
2535         (x86_this_parameter): Likewise.
2536         (x86_output_mi_thunk): Likewise.
2537         (ix86_attribute_table): Add description for thiscall attribute.
2538         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2539         * doc/extend.texi: Add documentation for thiscall.
2540
2541 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2542
2543         PR c++/28584
2544         * c.opt (Wint-to-pointer-cast): Available in C++.
2545         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2546
2547 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2548
2549         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2550         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2551         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2552         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2553         function type instead.  Reorder and simplify checks.
2554
2555         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2556
2557 2010-04-08  Jing Yu  <jingyu@google.com>
2558             Zdenek Dvorak  <ook@ucw.cz>
2559
2560         PR tree-optimization/42720
2561         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2562         loop unswitch conditions here from ...
2563         (tree_unswitch_single_loop): ... here.
2564
2565 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2566
2567         * tree-if-conv.c: Fix comments and simplify logic.
2568
2569 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2572         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2573         (main_tree_if_conversion): Update call to tree_if_conversion.
2574
2575 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2576
2577         PR 42485
2578         * doc/invoke.texi (-b,-V): Delete.
2579         * doc/tm.texi: Do not mention -b.
2580         * gcc.c (display_help): Delete -b and -V.
2581         (process_command): Delete -b and -V.
2582         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2583
2584 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2585             Wolfgang Gellerich  <gellerich@de.ibm.com>
2586
2587         Implement target hook for loop unrolling
2588         * target.h (loop_unroll_adjust): Add a new target hook function.
2589         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2590         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2591         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2592         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2593         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2594         target hook.
2595         (decide_unroll_stupid): Likewise.
2596
2597 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2598
2599         PR target/43643
2600         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2601
2602 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2603
2604         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2605         (Specific, *-*-solaris2*): Likewise.
2606         Don't prefer Sun as over GNU as.
2607
2608 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2609
2610         * config/s390/s390.c (override_options): Adjust the z10
2611           defaults for max-unroll-times, max-completely-peeled-insns
2612           and max-completely-peel-times.
2613
2614 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2615
2616         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2617         instructions for z10.
2618         (s390_expand_setmem): Likewise.
2619         (s390_expand_cmpmem): Likewise.
2620
2621 2010-04-08  Richard Guenther  <rguenther@suse.de>
2622
2623         PR tree-optimization/43679
2624         * tree-ssa-pre.c (eliminate): Only propagate copies.
2625
2626 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2627
2628         PR bootstrap/43681
2629         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2630         set but not used variable warning.
2631
2632 2010-04-08  Wei Guozhi  <carrot@google.com>
2633
2634         PR target/41653
2635         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2636         (arm_size_rtx_costs): Call the new function when optimized for size.
2637
2638 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2639
2640         PR debug/43670
2641         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2642         op0 is not a MEM, just return NULL instead of assertion
2643         failure.
2644         (discover_nonconstant_array_refs): Don't walk debug stmts.
2645
2646 2010-04-08  Doug Kwan  <dougkwan@google.com>
2647
2648         * configure.ac: Recognize gold and do not use its version number
2649         to test ld features.
2650         * configure: Regenerate.
2651
2652 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2653
2654         PR middle-end/40815
2655         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2656         (negate_value): Move code to push elements to broken_up_substracts ...
2657         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2658         negative pair to plus_negates.
2659         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2660
2661 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2662
2663         * doc/install.texi (Configuration): Move description of
2664         --enable-lto, --with-libelf*, --enable-gold from Java section to
2665         general section.
2666
2667         * doc/generic.texi (Working with declarations)
2668         (Function Properties, C and C++ Trees): Fix typos.
2669         * doc/sourcebuild.texi (Top Level): Likewise.
2670
2671 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2672
2673         PR c/18624
2674         * tree.h (DECL_READ_P): Define.
2675         (struct tree_decl_common): Add decl_read_flag.
2676         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2677         a set but not used warning.
2678         (merge_decls): Merge DECL_READ_P flag.
2679         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2680         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2681         * c-common.c (handle_used_attribute, handle_unused_attribute):
2682         Likewise.
2683         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2684         New prototypes.
2685         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2686         New functions.
2687         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2688         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2689         c_parser_binary_expression, c_parser_cast_expression,
2690         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2691         Call default_function_array_read_conversion instead of
2692         default_function_array_conversion where needed.
2693         (c_parser_unary_expression, c_parser_conditional_expression,
2694         c_parser_postfix_expression_after_primary, c_parser_initelt):
2695         Likewise.  Call mark_exp_read where needed.
2696         (c_parser_statement_after_labels, c_parser_asm_operands,
2697         c_parser_typeof_specifier, c_parser_sizeof_expression,
2698         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2699         where needed.
2700         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2701         New.
2702         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2703         (warn_unused_but_set_parameter): Default to warn_unused
2704         && extra_warnings.
2705         * doc/invoke.texi: Document -Wunused-but-set-variable and
2706         -Wunused-but-set-parameter.
2707
2708         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2709         used count variable.
2710         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2711         when operandN variables aren't used in the body of the expander
2712         or splitter.
2713         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2714         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2715         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2716         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2717         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2718         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2719         * tree.c (PROCESS_ARG): Likewise.
2720
2721 2010-04-07  Simon Baldwin  <simonb@google.com>
2722
2723         * diagnostic.h (diagnostic_override_option_index): New macro to
2724         set a diagnostic's option_index.
2725         * c-tree.h (c_cpp_error): Add warning reason argument.
2726         * opts.c (_warning_as_error_callback): New.
2727         (register_warning_as_error_callback): Store callback for
2728         warnings enabled via enable_warning_as_error.
2729         (enable_warning_as_error): Call callback, minor code tidy.
2730         * opts.h (register_warning_as_error_callback): Declare.
2731         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2732         response to -Werror=.
2733         (c_common_init_options): Register warning_as_error_callback in opts.c.
2734         * common.opt: Add -Wno-cpp option.
2735         * c-common.c (struct reason_option_codes_t): Map cpp warning
2736         reason codes to gcc option indexes.
2737         * (c_option_controlling_cpp_error): New function, lookup the gcc
2738         option index for a cpp warning reason code.
2739         * (c_cpp_error): Add warning reason argument, call
2740         c_option_controlling_cpp_error for diagnostic_override_option_index.
2741         * doc/invoke.texi: Document -Wno-cpp.
2742
2743 2010-04-07  Richard Guenther  <rguenther@suse.de>
2744
2745         * ipa-reference.c (mark_load): Use get_base_address.
2746         (mark_store): Likewise.
2747
2748         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2749         inserting GIMPLE_NOPs into the IL.
2750         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2751         Explicitly strip handled components and indirect references.
2752
2753         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2754         folding address expressions.
2755         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2756         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2757         operand_equal_p to compare decls.
2758         (ptr_deref_may_alias_decl_p): Likewise.
2759         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2760         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2761         Handle reversed comparison ops.
2762         * tree-sra.c (asm_visit_addr): Use get_base_address.
2763         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2764         * ipa-reference.c (mark_address): Use get_base_address.
2765
2766 2010-04-07  Richard Guenther  <rguenther@suse.de>
2767
2768         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2769         Propagate constants everywhere.
2770
2771 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2772
2773         PR debug/43516
2774         * tree.c (MAX_INT_CACHED_PREC): Define.
2775         (nonstandard_integer_type_cache): New array.
2776         (build_nonstandard_integer_type): Cache results for precision
2777         <= MAX_INT_CACHED_PREC.
2778
2779 2010-04-07  Richard Guenther  <rguenther@suse.de>
2780
2781         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2782         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2783         * common.opt: Likewise.
2784         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2785         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2786         (nonoverlapping_memrefs_p): Likewise.
2787         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2788         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2789         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2790         OPT_fargument_noalias_global for backward compatibility.
2791
2792 2010-04-07  Richard Guenther  <rguenther@suse.de>
2793
2794         PR tree-optimization/43270
2795         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2796         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2797         * tree-ssa-pre.c (phi_translate_1): Adjust.
2798         (fully_constant_expression): Split out vn_reference handling to ...
2799         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2800         Fold reads from constant strings.
2801         (vn_reference_lookup): Handle fully constant references.
2802         (vn_reference_lookup_pieces): Likewise.
2803         * Makefile.in (expmed.o-warn): Add -Wno-error.
2804
2805 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2806
2807         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2808
2809 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2810
2811         PR driver/41594
2812         * gcc.c: Add -static-libstdc++ to list of recognized options.
2813
2814 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2815
2816         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2817
2818 2010-04-07  Richard Guenther  <rguenther@suse.de>
2819
2820         PR middle-end/42617
2821         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2822         bases build simple mem attributes to retain points-to information.
2823
2824 2010-04-07  Richard Guenther  <rguenther@suse.de>
2825
2826         PR middle-end/42617
2827         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2828         preserve points-to related information.
2829
2830 2010-04-07  Richard Guenther  <rguenther@suse.de>
2831
2832         PR middle-end/42617
2833         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2834         discard plain indirect references.
2835         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2836         * tree.c (tree_nop_conversion): Likewise.
2837
2838 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2839
2840         PR debug/43628
2841         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2842
2843 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2844
2845         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2846         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2847
2848 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         * tree-if-conv.c: Fix indentation and comments.
2851
2852 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2853
2854         * tree-if-conv.c: Sort static functions in topological order.
2855
2856 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2857
2858         * tree-if-conv.c: Fix indentation and comments.
2859
2860 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2861
2862         PR middle-end/43519
2863         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2864         lang_hooks.types.type_for_size instead of
2865         build_nonstandard_integer_type.
2866         When converting an unsigned type to signed, double its precision.
2867         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2868         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2869         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2870         use lb <= ub.
2871
2872 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2873
2874         PR middle-end/43519
2875         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2876         POINTER_PLUS_EXPR for pointer types.
2877
2878 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2879
2880         PR middle-end/43519
2881         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2882         * graphite-clast-to-gimple.c: Include langhooks.h.
2883         (max_signed_precision_type): New.
2884         (max_precision_type): Takes two types as arguments.
2885         (precision_for_value): New.
2886         (precision_for_interval): New.
2887         (gcc_type_for_interval): New.
2888         (gcc_type_for_value): New.
2889         (gcc_type_for_clast_term): New.
2890         (gcc_type_for_clast_red): New.
2891         (gcc_type_for_clast_bin): New.
2892         (gcc_type_for_clast_expr): Split up into several functions.
2893         (gcc_type_for_clast_eq): Rewritten.
2894         (compute_bounds_for_level): New.
2895         (compute_type_for_level_1): New.
2896         (compute_type_for_level): New.
2897         (gcc_type_for_cloog_iv): Removed.
2898         (gcc_type_for_iv_of_clast_loop): Rewritten.
2899         (graphite_create_new_loop): Compute the lower and upper bound types
2900         with gcc_type_for_clast_expr.
2901         (graphite_create_new_loop_guard): Same.
2902         (find_cloog_iv_in_expr): Removed.
2903         (compute_cloog_iv_types_1): Removed.
2904         (compute_cloog_iv_types): Removed.
2905         (gloog): Do not call compute_cloog_iv_types.
2906         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2907         GBB_CLOOG_IV_TYPES.
2908         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2909         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2910         (GBB_CLOOG_IV_TYPES): Removed.
2911
2912 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2913
2914         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2915         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2916         (detect_commutative_reduction): Same.
2917
2918 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2919
2920         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2921         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2922         argument.
2923         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2924         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2925         (rewrite_commutative_reductions_out_of_ssa): Same.
2926         * passes.c (execute_function_todo): Call verify_ssa for every pass
2927         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2928         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2929         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2930         with an extra argument.
2931         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2932         verify_ssa only when the extra argument is true.
2933         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2934         with an extra argument.
2935         (tree_transform_and_unroll_loop): Same.
2936
2937 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2940         for all the passes of the LNO having LOOP_CLOSED_SSA.
2941         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2942         * tree-loop-distribution.c (pass_loop_distribution): Same.
2943         * tree-pass.h (TODO_verify_loops): Removed.
2944         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2945         (pass_lim): Same.
2946         (pass_tree_unswitch): Same.
2947         (pass_predcom): Same.
2948         (pass_vectorize): Same.
2949         (pass_linear_transform): Same.
2950         (pass_graphite_transforms): Same.
2951         (pass_iv_canon): Same.
2952         (pass_complete_unroll): Same.
2953         (pass_complete_unrolli): Same.
2954         (pass_parallelize_loops): Same.
2955         (pass_loop_prefetch): Same.
2956         (pass_iv_optimize): Same.
2957
2958 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2959
2960         PR middle-end/32824
2961         * passes.c (init_optimization_passes): Move pass_lim before
2962         pass_copy_prop and pass_dce_loop.
2963
2964 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2965
2966         PR target/43667
2967         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2968         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2969         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2970         MULTI_* defines for 4 argument vpermil2p* builtins.
2971
2972 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2973
2974         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2975         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2976         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2977         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2978         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2979         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2980         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2981         Use x86_maybe_negate_const_int to output insn mnemonic.
2982         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2983         check from instruction predicate.  Update comments.
2984         * config/i386/sync.md (sync_add<mode>): Use
2985         x86_maybe_negate_const_int to output insn mnemonic.
2986
2987 2010-04-06  Jan Hubicka  <jh@suse.cz>
2988
2989         PR tree-optimization/42906
2990         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2991         IGNORE_SELF argument.  Set visited_control_parents for fully
2992         processed BBs.
2993         (find_obviously_necessary_stmts): Update call of
2994         mark_control_dependent_edges_necessary.
2995         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2996
2997 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2998
2999         * config/i386/i386.md: Remove comment about 'e' and 'E'
3000         operand modifier.
3001
3002 2010-04-06  Richard Guenther  <rguenther@suse.de>
3003
3004         PR tree-optimization/43627
3005         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3006         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3007         not varying.
3008
3009 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3010
3011         * BASE-VER: Change to 4.6.0.
3012
3013         PR target/43638
3014         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3015         handling.
3016
3017 2010-04-06  Richard Guenther  <rguenther@suse.de>
3018
3019         PR middle-end/43661
3020         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3021
3022 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3023
3024         * doc/invoke.texi (Optimize Options): Document that LTO
3025         won't remove object access purely due to incompatible
3026         declarations.
3027
3028 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3029
3030         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3031         Initialize variable.
3032
3033 2010-04-03  Richard Guenther  <rguenther@suse.de>
3034
3035         PR middle-end/42509
3036         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3037         require a non-NULL MEM_OFFSET.
3038
3039 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3040
3041         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3042         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3043         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3044         config/alpha/predicates.md, config/arm/arm.md,
3045         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3046         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3047         config/darwin9.h, config/darwin.c, config/darwin.h,
3048         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3049         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3050         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3051         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3052         config/mips/mips.md, config/mn10300/mn10300.c,
3053         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3054         config/rs6000/aix.h, config/rs6000/dfp.md,
3055         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3056         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3057         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3058         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3059         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3060         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3061         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3062         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3063         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3064         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3065         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3066         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3067         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3068         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3069         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3070         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3071         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3072         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3073         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3074         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3075         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3076         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3077         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3078         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3079         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3080         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3081         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3082         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3083         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3084         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3085         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3086         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3087         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3088         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3089         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3090         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3091
3092 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3093
3094         PR other/43620
3095         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3096         * aclocal.m4: Regenerate.
3097
3098 2010-04-02  Richard Guenther  <rguenther@suse.de>
3099
3100         PR tree-optimization/43629
3101         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3102         if we have seen a constant value.
3103
3104 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3105
3106         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3107
3108 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3109
3110         PR target/43469
3111         * arm.c (legitimize_tls_address): Adjust call to
3112         gen_tls_load_dot_plus_four.
3113         (arm_note_pic_base): New function.
3114         (arm_cannot_copy_insn_p): Use it.
3115         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3116         constraint.
3117
3118 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3119
3120         PR bootstrap/43531
3121
3122         Revert:
3123         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3124
3125         * Makefile.in ($(out_object_file)): Depend on
3126         gt-$(basename $(notdir $(out_file))).h.
3127
3128 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3129
3130         * config.gcc (lm32-*-rtems*): Add t-lm32.
3131
3132 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3133
3134         * config.gcc: Add lm32-*-rtems*.
3135         * config/lm32/rtems.h: New file.
3136
3137 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3138
3139         PR target/42609
3140         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3141
3142 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3143
3144         * dwarf2out.c (output_compilation_unit_header): For
3145         -gdwarf-4 use version 4 instead of version 3.
3146         (output_line_info): For version 4 and above emit additional
3147         maximum ops per insn header field.
3148         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3149
3150         * dwarf2out.c (is_c_family, is_java): Remove.
3151         (lower_bound_default): New function.
3152         (add_bound_info, gen_descr_array_type_die): Use it.
3153
3154 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3155
3156         PR debug/43325
3157         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3158         re-declaration when it happens in a function.
3159
3160 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3161
3162         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3163         (cgraph_remove_function_insertion_hook): Same.
3164         (cgraph_call_function_insertion_hooks): Same.
3165
3166 2010-04-01  Richard Guenther  <rguenther@suse.de>
3167
3168         PR middle-end/43614
3169         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3170         and TREE_THIS_VOLATILE.
3171         (copy_ref_info): Likewise.
3172         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3173         * tree.c (build6_stat): Ignore side-effects of all but arg5
3174         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3175         TARGET_MEM_REF.
3176
3177 2010-04-01  Richard Guenther  <rguenther@suse.de>
3178
3179         PR tree-optimization/43607
3180         * ipa-type-escape.c (check_call): Do not access non-existing
3181         arguments.
3182
3183 2010-04-01  Richard Guenther  <rguenther@suse.de>
3184
3185         PR middle-end/43602
3186         Revert
3187         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3188                     Jack Howarth <howarth@bromo.med.uc.edu>
3189
3190         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3191         variables TLS.
3192
3193 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3194
3195         * doc/install.texi (Prerequisites): Document libelf usability on
3196         IRIX 5/6 and Solaris 2.
3197         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3198         Update GNU as, GNU ld requirements.
3199         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3200         Document Sun Studio compiler download.
3201         Update and simplify as, ld recommendations.
3202         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3203
3204 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3205
3206         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3207         with_tune_32 to pentium4.
3208
3209 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3210
3211         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3212
3213 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3214
3215         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3216         obsoletion, removal.
3217         Update IDO URL.
3218         Document GNU as requirement.
3219         Update configure requirements.
3220         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3221         Recomment IRIX 6.5.18+.
3222         Document IDF/IDL requirement.
3223         Document GNU as requirement.
3224         Document GNU ld bootstrap failure.
3225         Remove freeware.sgi.com reference.
3226
3227 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3228
3229         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3230         UNIX V4.0, V5.0 obsoletion, removal.
3231         Remove --with-gc=simple reference.
3232         Update VM requirements during bootstrap.
3233         Remove -oldas bootstrap description.
3234         Update binutils reference.
3235         Remove comparison failure note.
3236
3237 2010-03-31  Richard Guenther  <rguenther@suse.de>
3238             Zdenek Dvorak  <ook@ucw.cz>
3239             Sebastian Pop  <sebastian.pop@amd.com>
3240
3241         PR middle-end/43464
3242         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3243         with multiple arguments.
3244         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3245
3246 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3247
3248         * graphite-dependences.c (print_pddr): Call print_pdr with an
3249         extra argument.
3250         * graphite-poly.c (debug_pdr): Add an extra argument for the
3251         verbosity level.
3252         (print_pdr): Same.
3253         (print_pbb_domain): Same.
3254         (print_pbb): Same.
3255         (print_scop_context): Same.
3256         (print_scop): Same.
3257         (print_cloog): Same.
3258         (debug_pbb_domain): Same.
3259         (debug_pbb): Same.
3260         (print_pdrs): Same.
3261         (debug_pdrs): Same.
3262         (debug_scop_context): Same.
3263         (debug_scop): Same.
3264         (debug_cloog): Same.
3265         (print_scop_params): Same.
3266         (debug_scop_params): Same.
3267         (print_iteration_domain): Same.
3268         (print_iteration_domains): Same.
3269         (debug_iteration_domain): Same.
3270         (debug_iteration_domains): Same.
3271         (print_scattering_function): Same.
3272         (print_scattering_functions): Same.
3273         (debug_scattering_function): Same.
3274         (debug_scattering_functions): Same.
3275         * graphite-poly.h (debug_pdr): Update declaration.
3276         (print_pdr): Same.
3277         (print_pbb_domain): Same.
3278         (print_pbb): Same.
3279         (print_scop_context): Same.
3280         (print_scop): Same.
3281         (print_cloog): Same.
3282         (debug_pbb_domain): Same.
3283         (debug_pbb): Same.
3284         (print_pdrs): Same.
3285         (debug_pdrs): Same.
3286         (debug_scop_context): Same.
3287         (debug_scop): Same.
3288         (debug_cloog): Same.
3289         (print_scop_params): Same.
3290         (debug_scop_params): Same.
3291         (print_iteration_domain): Same.
3292         (print_iteration_domains): Same.
3293         (debug_iteration_domain): Same.
3294         (debug_iteration_domains): Same.
3295         (print_scattering_function): Same.
3296         (print_scattering_functions): Same.
3297         (debug_scattering_function): Same.
3298         (debug_scattering_functions): Same.
3299
3300 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3301
3302         * graphite-poly.c (print_scattering_function_1): New.
3303         (print_scattering_function): Call it.
3304         (print_scop_params): Remove spaces at the end of lines.
3305         (print_cloog): New.
3306         (debug_cloog): New.
3307         * graphite-poly.h (print_cloog): Declared.
3308         (debug_cloog): Declared.
3309
3310 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3311
3312         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3313         in loop->header.
3314         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3315         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3316         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3317         to switch between adding the IV bump in loop->latch or in loop->header.
3318
3319 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3320
3321         * graphite-poly.c (print_scattering_function): Pretty print following
3322         the scoplib format.
3323         (print_pdr): Same.
3324         (print_pbb_domain): Same.
3325         (dump_gbb_cases): Same.
3326         (dump_gbb_conditions): Same.
3327         (print_pdrs): Same.
3328         (print_pbb): Same.
3329         (print_scop_params): Same.
3330         (print_scop_context): Same.
3331         (print_scop): Same.
3332         (print_pbb_body): New.
3333         (lst_indent_to): New.
3334         (print_lst): Start new lines with a #.
3335         * graphite-poly.h (pbb_bb): New.
3336         (pbb_index): Use pbb_bb.
3337         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3338         disjuncts.
3339         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3340
3341 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3342
3343         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3344         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3345         and 0 instead of 1 for dw_val_class_flag.
3346         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3347         dw_val_class_range_list, dw_val_class_loc_list,
3348         dw_val_class_lineptr and dw_val_class_macptr, use
3349         DW_FORM_flag_present for dw_val_class_flag and
3350         DW_FORM_exprloc for dw_val_class_loc.
3351         (output_die): For -gdwarf-4 print dw_val_class_loc
3352         size as uleb128 instead of 1 or 2 bytes and don't print
3353         anything for dw_val_class_flag.
3354
3355         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3356         instead of cselib_lookup following by tweaking locs->setting_insn.
3357
3358         PR bootstrap/43596
3359         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3360         even before returning from label, setjmp call or volatile asm
3361         handling.
3362
3363 2010-03-31  Richard Guenther  <rguenther@suse.de>
3364
3365         PR middle-end/43600
3366         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3367         temporary data on stack.
3368
3369 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3370
3371         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3372         (PUSHSECTION_ASM_OP): Remove.
3373         (POPSECTION_ASM_OP): Remove.
3374         (PUSHSECTION_FORMAT): Remove.
3375         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3376         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3377         * config/sol2.c (solaris_output_init_fini): Use it.
3378
3379 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3380
3381         PR 43574
3382         * opt-functions.awk (var_type_struct): Use signed char type
3383         for simple variables.
3384
3385 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3386
3387         * config/sol2.c: Include output.h.
3388         (solaris_assemble_visibility): New function.
3389         * config/t-sol2 (sol2.o): Add output.h dependency.
3390         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3391         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3392         Redefine.
3393
3394 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3395
3396         PR target/43580
3397         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3398         V2SImode or XFmode on PRE_DEC.
3399
3400         PR debug/43557
3401         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3402         BLKmode.
3403
3404 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3405
3406         PR 43562
3407         * reload.h (caller_save_initialized_p): Declare.
3408         * toplev.c (backend_init_target): Don't call
3409         init_caller_save but set caller_save_initialized_p to false.
3410         * caller-save.c (caller_save_initialized_p): Define.
3411         (init_caller_save): Check caller_save_initialized_p.
3412         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3413
3414 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3415
3416         PR target/39048
3417         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3418         and soft-fp/t-softfp to tmake_file.
3419         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3420         (LIBGCC2_TF_CEXT): Define.
3421         (TF_SIZE): Define.
3422
3423 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3424
3425         PR debug/42977
3426         * cselib.c (n_useless_values): Document handling of debug locs.
3427         (n_useless_debug_values, n_debug_values): New variables.
3428         (new_elt_loc