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