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* cgraph.h (cgraph_local_info): Remove for_functions_valid.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-30  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
4         (cgraph_global_info): Remove inlined.
5         (LTO_cgraph_tag_names): Remove.
6         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
7         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
8         simplify cgraph tags and document.
9         (lto_output_node): Use only LTO_cgraph_unavail_node and
10         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
11         for_functions_valid, global info, process and output
12         flags.
13         (input_overwrite_node): Initialize estimated stack size and
14         estimated growth.
15         Do not read flags we no longer store.
16         (input_node): Likewise do not read info no longer stored.
17         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
18         flag.
19
20 2010-04-30  Richard Guenther  <rguenther@suse.de>
21
22         PR tree-optimization/43879
23         * tree-ssa-structalias.c (get_constraint_for_1): Properly
24         handle non-zero initializers.
25
26 2010-04-30  Richard Guenther  <rguenther@suse.de>
27
28         * builtins.c (fold_builtin_1): Delete free (0).
29
30 2010-04-29  Jan Hubicka  <jh@suse.cz>
31
32         * gengtype.c (open_base_files): Add lto-streamer.h
33         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
34         (pass_ipa_cp): GGC collect.
35         * toplev. (compile_file): Do not output symbols.
36         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
37         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
38         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
39         * lto-section-in.c: Include ggc.h
40         (lto_new_in_decl_state): Alloc in GGC.
41         (lto_delete_in_decl_state): Likewise.
42         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
43
44 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
45
46         PR target/42895
47         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
48         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
49         (HONOR_REG_ALLOC_ORDER): Describe new macro.
50         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
51         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
52         account only if HONOR_REG_ALLOC_ORDER is not defined.
53         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
54         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
55         
56 2010-04-29  Jon Grant <04@jguk.org>
57         
58         * collect2.c (vflag): Change type from int to bool.
59         (debug): Likewise.
60         (helpflag): New global bool.
61         (main): Set vflag and debug with boolean, not integer truth
62         values.  Accept new "--help" option and output usage text if
63         found.
64         * collect2.h (vflag): Update prototype.
65         (debug): Likewise.
66         
67 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
68
69         PR bootstrap/43936
70         * plugin.h (flag_plugin_added): Moved out of
71         invoke_plugin_callbacks.
72
73 2010-04-29  Richard Guenther  <rguenther@suse.de>
74
75         PR bootstrap/43935
76         * plugin.h (invoke_plugin_callbacks): Annotate arguments
77         with ATTRIBUTE_UNUSED.
78
79 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
80
81         PR target/43921
82         * config/i386/i386.c (get_some_local_dynamic_name): Replace
83         INSN_P with NONDEBUG_INSN_P.
84         (distance_non_agu_define): Likewise.
85         (distance_agu_use): Likewise.
86
87 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
88
89         From Dominique d'Humieres <dominiq@lps.ens.fr>
90         PR bootstrap/43858
91         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
92         test_set.
93
94 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
95
96         * plugin.h (invoke_plugin_callbacks): New inline function.
97         * plugin.c (flag_plugin_added): New global flag.
98         (add_new_plugin): Initialize above flag.
99         (invoke_plugin_callbacks): Rename to ...
100         (invoke_plugin_callbacks_full): ... this.
101
102 2010-04-28  Jan Hubicka  <jh@suse.cz>
103
104         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
105         (lto_varpool_replace_node): New.
106         (lto_symtab_resolve_symbols): Resolve varpool nodes.
107         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
108         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
109         * cgraph.h (varpool_node_ptr): New type.
110         (varpool_node_ptr): New vector.
111         (varpool_node_set_def): New structure.
112         (varpool_node_set): New type.
113         (varpool_node_set): New vector.
114         (varpool_node_set_element_def): New structure.
115         (varpool_node_set_element, const_varpool_node_set_element): New types.
116         (varpool_node_set_iterator): New type.
117         (varpool_node): Add prev pointers, add used_from_other_partition,
118         in_other_partition.
119         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
120         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
121         varpool_get_node, varpool_remove_node): Declare.
122         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
123         varpool_node_set_size): New inlines.
124         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
125         * tree-pass.h (varpool_node_set_def): Forward declare.
126         (ipa_opt_pass_d): Summary writting takes vnode sets too.
127         (ipa_write_optimization_summaries): Update prototype.
128         * ipa-cp.c (ipcp_write_summary): Update.
129         * ipa-reference.c (ipa_reference_write_summary): Update.
130         * lto-cgraph.c (lto_output_varpool_node): New static function.
131         (output_varpool): New function.
132         (input_varpool_node): New static function.
133         (input_varpool_1): New function.
134         (input_cgraph): Input varpool.
135         * ipa-pure-const.c (pure_const_write_summary): Update.
136         * lto-streamer-out.c (lto_output): Update, output varpool too.
137         (write_global_stream): Kill WPA hack.
138         (produce_asm_for_decls): Update.
139         (output_alias_pair_p): Handle variables.
140         (output_unreferenced_globals): Output only needed partition of varpool.
141         * ipa-inline.c (inline_write_summary): Update.
142         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
143         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
144         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
145         varpool_node_set_new, varpool_node_set_add,
146         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
147         debug_varpool_node_set): New functions.
148         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
149         (execute_one_pass): Process new decls too.
150         (ipa_write_summaries_2): Pass around vsets.
151         (ipa_write_summaries_1): Likewise.
152         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
153         to add.
154         (ipa_write_optimization_summaries_1): Pass around vsets.
155         (ipa_write_optimization_summaries): Likewise.
156         * varpool.c (varpool_get_node): New.
157         (varpool_node): Update doubly linked lists.
158         (varpool_remove_node): New.
159         (dump_varpool_node): More dumping.
160         (varpool_enqueue_needed_node): Update doubly linked lists.
161         (decide_is_variable_needed): Kill ltrans hack.
162         (varpool_finalize_decl): Kill lto hack.
163         (varpool_assemble_decl): Skip decls in other partitions.
164         (varpool_assemble_pending_decls): Update doubly linkes lists.
165         (varpool_empty_needed_queue): Likewise.
166         (varpool_extra_name_alias): Likewise.
167         * lto-streamer.c (lto_get_section_name): Add vars section.
168         * lto-streamer.h (lto_section_type): Update.
169         (output_varpool, input_varpool): Declare.
170
171 2010-04-28  Mike Stump  <mikestump@comcast.net>
172
173         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
174
175 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
176
177         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
178         record or union type with RECORD_OR_UNION_TYPE_P predicate.
179         (lto_input_ts_type_tree_pointers): Likewise.
180         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
181         (lto_output_ts_type_tree_pointers): Likewise.
182
183 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
184
185         Uniquization of constants at the Tree level
186         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
187         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
188         bit to the end.
189         (tree_output_constant_def): Declare.
190         * gimplify.c (gimplify_init_constructor): When using block copy, first
191         uniquize the constant constructor on the RHS.
192         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
193         DECL_IN_CONSTANT_POOL flag.
194         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
195         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
196         constant pool.
197         (assemble_variable): Deal with symbols belonging to the tree constant
198         pool.
199         (get_constant_section): Add ALIGN parameter and simplify.
200         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
201         (assemble_constant_contents): Use the expression of the VAR_DECL.
202         (output_constant_def_contents): Use the alignment of the VAR_DECL.
203         (tree_output_constant_def): New global function.
204         (mark_constant): Use the expression of the VAR_DECL.
205         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
206         its expression.
207         (output_object_block): Likewise and assemble the expression.
208
209 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
210
211         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
212         hash_tree, eq_tree): New tree hash table.
213         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
214         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
215         lto_orig_address_remove): Reimplement.
216
217 2010-04-28  Xinliang David Li  <davidxl@google.com>
218
219         PR c/42643
220         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
221         (compute_uninit_opnds_pos): New function.
222         (is_non_loop_exit_postdominating): New function.
223         (compute_control_dep_chain): New function.
224         (find_pdom): New function.
225         (convert_control_dep_chain_into_preds): New function.
226         (find_predicates): New function.
227         (find_control_equiv_block): New function.
228         (collect_phi_def_edges): New function.
229         (find_def_preds): New function.
230         (find_dom): New function.
231         (dump_predicates): New function.
232         (get_cmp_code): New function.
233         (is_value_included_in): New function.
234         (find_matching_predicate_in_rest_chains): New function.
235         (use_pred_not_overlap_with_undef_path_pred): New function.
236         (is_use_properly_guarded): New function.
237         (normalize_cond_1): New function.
238         (is_and_or_or): New function.
239         (normalize_cond): New function.
240         (is_gcond_subset_of): New function.
241         (is_subset_of_any): New function.
242         (is_or_set_subset_of): New function.
243         (is_and_set_subset_of): New function.
244         (is_norm_cond_subset_of): New function.
245         (is_pred_expr_subset_of): New function.
246         (is_pred_chain_subset_of): New function.
247         (is_included_in): New function.
248         (is_superset_of): New function.
249         (find_uninit_use): New function.
250         (warn_uninitialized_phi): New function.
251         (compute_possibly_undefined_names): New function.
252         (ssa_undefined_value_p): New function.
253         (execute_late_warn_uninitialized): New function.
254         * tree-ssa.c (ssa_undefined_value_p): Removed.
255         (warn_uninit): Changed to extern.
256         (warn_uninitialized_phi): Removed.
257         (warn_uninitialized_vars): Changed to extern.
258         (execute_late_warn_uninitialized): Removed
259         * tree-flow.h: Add new prototypes.
260         * timevar.def: Add new time variable.
261         * Makefile.in: Add new build file.
262
263 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
264
265         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
266         type if available.
267
268 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
269
270         PR target/22224
271         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
272
273 2010-04-28  Martin Jambor  <mjambor@suse.cz>
274
275         * cgraph.h (struct cgraph_node): New field indirect_calls.
276         (struct cgraph_indirect_call_info): New type.
277         (struct cgraph_edge): Removed field indirect_call. New fields
278         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
279         (cgraph_create_indirect_edge): Declare.
280         (cgraph_make_edge_direct): Likewise.
281         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
282         * ipa-prop.h (struct ipa_param_call_note): Removed.
283         (struct ipa_node_params): Removed field param_calls.
284         (ipa_create_all_structures_for_iinln): Declare.
285         * cgraph.c: Described indirect edges and uids in initial comment.
286         (cgraph_add_edge_to_call_site_hash): New function.
287         (cgraph_edge): Search also among the indirect edges, use
288         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
289         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
290         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
291         site hash.
292         (initialize_inline_failed): Assign a reason to indirect edges.
293         (cgraph_create_edge_1): New function.
294         (cgraph_create_edge): Moved some functionality to
295         cgraph_create_edge_1.
296         (cgraph_create_indirect_edge): New function.
297         (cgraph_edge_remove_callee): Add an assert checking for
298         non-indirectness.
299         (cgraph_edge_remove_caller): Special-case indirect edges.
300         (cgraph_remove_edge): Likewise.
301         (cgraph_set_edge_callee): New function.
302         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
303         (cgraph_make_edge_direct): New function.
304         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
305         the declaration of the call statement matches.
306         (cgraph_node_remove_callees): Special-case indirect edges.
307         (cgraph_clone_edge): Likewise.
308         (cgraph_clone_node): Clone also the indirect edges.
309         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
310         indirect_call, dump count of indirect_calls edges.
311         * ipa-prop.c (iinlining_processed_edges): New variable.
312         (ipa_note_param_call): Create indirect edges instead of
313         creating notes.  New parameter node.
314         (ipa_analyze_call_uses): New parameter node, pass it on to
315         ipa_note_param_call.
316         (ipa_analyze_stmt_uses): Likewise.
317         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
318         (print_edge_addition_message): Work on edges rather than on notes.
319         (update_call_notes_after_inlining): Likewise, renamed to
320         update_indirect_edges_after_inlining.
321         (ipa_create_all_structures_for_iinln): New function.
322         (ipa_free_node_params_substructures): Do not free notes.
323         (ipa_edge_duplication_hook): Propagate bits within
324         iinlining_processed_edges bitmap.
325         (ipa_node_duplication_hook): Do not duplicate notes.
326         (free_all_ipa_structures_after_ipa_cp): Renamed to
327         ipa_free_all_structures_after_ipa_cp.
328         (free_all_ipa_structures_after_iinln): Renamed to
329         ipa_free_all_structures_after_iinln.g
330         (ipa_write_param_call_note): Removed.
331         (ipa_read_param_call_note): Removed.
332         (ipa_write_indirect_edge_info): New function.
333         (ipa_read_indirect_edge_info): Likewise.
334         (ipa_write_node_info): Do not stream notes, do stream information
335         in indirect edges.
336         (ipa_read_node_info): Likewise.
337         (lto_ipa_fixup_call_notes): Removed.
338         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
339         * ipa-inline.c (pass_ipa_inline): Likewise.
340         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
341         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
342         * tree-inline.c (copy_bb): Removed an unnecessary double check for
343         is_gimple_call.
344         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
345         edges.
346         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
347         (output_cgraph): Stream also indirect edges.
348         (lto_output_edge): Added capability to stream indirect edges.
349         (input_edge): Likewise.
350         (input_cgraph_1): Likewise.
351         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
352         of indirect edges.
353
354 2010-04-28  Richard Guenther  <rguenther@suse.de>
355
356         PR tree-optimization/43879
357         PR tree-optimization/43909
358         * tree-ssa-structalias.c (struct variable_info): Add
359         only_restrict_pointers flag.
360         (new_var_info): Initialize it.  Increment stats.total_vars here.
361         (create_function_info_for): Do not increment stats.total_vars
362         here.
363         (get_function_part_constraint): Fix build with C++.
364         (insert_into_field_list): Remove.
365         (push_fields_onto_fieldstack): Properly merge fields.
366         (create_variable_info_for): Split and simplify.
367         (create_variable_info_for_1): New piece.
368         (intra_create_variable_infos): Properly make restrict constraints
369         from parameters.
370
371 2010-04-28  Richard Guenther  <rguenther@suse.de>
372
373         PR c++/43880
374         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
375         value-exprs.
376
377 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
378             Jan Hubicka <hubicka@ucw.cz>
379
380         * doc/invoke.texi (-Wsuggest-attribute=const,
381         -Wsuggest-attribute=pure): Document.
382         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
383         (function_always_visible_to_compiler_p,
384         suggest_attribute, warn_function_pure, warn_function_const):
385         New functions.
386         (check_call): Improve debug info.
387         (analyze_function): Do not check availability.
388         (add_new_function): Check availability.
389         (propagate): Output warnings.
390         (skip_function_for_local_pure_const): New function.
391         (local_pure_const): Use it; output warnings.
392         * common.opt (Wsuggest-attribute=const,
393         Wsuggest-attribute=pure): New.
394
395 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
396
397         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
398         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
399         or DW_CFA_def_cfa_offset{,_sf}.
400
401 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
402
403         * tree.h: Fix truncated long macros.
404
405 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
406
407         * collect2.c (TARGET_64BIT): Redefine to target's default.
408         * tlink.c: Likewise.
409         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
410         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
411         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
412         for underscoring __USER_LABEL_PREFIX__.
413         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
414         (SUB_LINK_ENTRY32): New.
415         (SUB_LINK_ENTRY64): New.
416         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
417         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
418         (SUB_LINK_ENTRY64): New.
419         (SUB_LINK_ENTRY): New.
420         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
421         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
422         x64 target is choosen.
423         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
424         * configure: Regenerated.
425         * configure.ac (leading-mingw64-underscores): Option added.
426
427 2010-04-27  Jan Hubicka  <jh@suse.cz>
428
429         * doc/invoke.texi (-fipa-profile): Document.
430         * opts.c (decode_options): Enable ipa-profile at -O1.
431         * timevar.def (TV_IPA_PROFILE): Define.
432         * common.opt (fipa-profile): Add.
433         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
434         flag for clones.
435         (cgraph_propagate_frequency): Handle only local ones.
436         * tree-pass.h (pass_ipa_profile): Declare.
437         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
438         (pass_ipa_profile): Use TV_IPA_PROFILE.
439         * ipa.c (ipa_profile): New function.
440         (gate_ipa_profile): Likewise.
441         (pass_ipa_profile): New global variable.
442         * passes.c (pass_ipa_profile): New.
443
444 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
445
446         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
447
448 2010-04-27  Martin Jambor  <mjambor@suse.cz>
449
450         PR middle-end/43812
451         * ipa.c (dissolve_same_comdat_group_list): New function.
452         (function_and_variable_visibility): Call
453         dissolve_same_comdat_group_list when comdat group contains external or
454         newly local nodes.
455         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
456         lists are circular and that they contain only DECL_ONE_ONLY nodes.
457
458 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
459
460         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
461         (const_hash_1) <VECTOR_CST>: New case.
462         (compare_constant) <VECTOR_CST>: Likewise.
463         <ADDR_EXPR>: Deal with LABEL_REFs.
464         (copy_constant) <VECTOR_CST>: New case.
465
466 2010-04-27  Jan Hubicka  <jh@suse.cz>
467
468         * cgraph.c (cgraph_propagate_frequency): New function.
469         * cgraph.h (cgraph_propagate_frequency): Declare.
470         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
471         cgraph_propagate_frequency.
472
473 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
474
475         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
476
477 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
478
479         PR target/40657
480         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
481         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
482         here to determine which regs to push and how much stack to reserve.
483
484 2010-04-27  Jie Zhang  <jie@codesourcery.com>
485
486         * doc/gimple.texi (gimple_statement_with_ops): Remove
487         addresses_taken field.
488         (gimple_statement_with_memory_ops): Likewise.
489
490 2010-04-27  Jan Hubicka  <jh@suse.cz>
491
492         * tree-inline.c (eni_inlining_weights): Remove.
493         (estimate_num_insns): Special case more builtins.
494
495 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
496
497         PR c/32207
498         * c-typeck.c (build_binary_op): Move forward check for comparison
499         pointer with null pointer constant and adjust the diagnostic message.
500
501 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
502
503         PR lto/42776
504         * configure.ac (gcc_cv_as_section_has_align): Set if installed
505         binutils supports extended .section directive needed by LTO, or
506         warn if older binutils found.
507         (LTO_BINARY_READER): New AC_SUBST'd variable.
508         (LTO_USE_LIBELF): Likewise.
509         * gcc/config.gcc (lto_binary_reader): New target-specific configure
510         variable.
511         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
512         (LTO_USE_LIBELF): Likewise.
513         * configure: Regenerate.
514
515         * collect2.c (is_elf): Rename from this ...
516         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
517          object files in addition to ELF-formatted ones.
518         (scan_prog_file): Caller updated.  Also allow for LTO info marker
519         symbol to be prefixed or not by an extra underscore.
520
521         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
522         * config/i386/winnt.c: Also #include lto-streamer.h
523         (i386_pe_asm_named_section): Specify 1-byte section alignment for
524         LTO named sections.
525         (i386_pe_asm_output_aligned_decl_common): Add comment.
526         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
527
528 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
529
530         PR target/43889
531         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
532         Add missing earlyclobber for second alternative.
533
534 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
535
536         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
537         bits for artificial defs at the top of the block.
538         * fwprop.c (single_def_use_enter_block): Don't call it.
539
540 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
541
542         PR 43715
543         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
544         instead of "$gcc_cv_objdump -T".
545         Use "-undefined dynamic_lookup" on darwin.
546         * gcc/configure: Regenerate.
547
548 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
549
550         PR c/43893
551         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
552
553 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
554
555         * c-parser.c (struct c_token): Move location field up.
556         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
557         (struct c_declspecs): Convert typespec_word, storage_class, and
558         default_int_p into bitfields.
559         (struct c_declarator): Move loc field up.
560
561 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
562
563         * cfgloop.h (struct loop): Move can_be_parallel field up.
564         * ipa-prop.h (struct ip_node_params): Move bitfields up.
565         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
566         down.
567         (struct iv_cand): Convert pos field into a bitfield.
568         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
569         field up.
570         (struct _stmt_vec_info): Shuffle fields for better packing.
571
572 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
573
574         * varasm.c (IN_NAMED_SECTION): Remove guard.
575         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
576         (IN_NAMED_SECTION_P): ...this.
577         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
578         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
579
580 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
581
582         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
583         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
584         of shadowing it.  Fix comments.
585
586 2010-04-26  Jan Hubicka  <jh@suse.cz>
587
588         * cgraph.c (cgraph_create_node): Set node frequency to normal.
589         (cgraph_clone_node): Copy function frequency.
590         * cgraph.h (node_frequency): New enum
591         (struct cgraph_node): Add.
592         * final.c (rest_of_clean_state): Update.
593         * lto-cgraph.c (lto_output_node): Output node frequency.
594         (input_overwrite_node): Input node frequency.
595         * tre-ssa-loop-ivopts (computation_cost): Update.
596         * lto-streamer-out.c (output_function): Do not output function
597         frequency.
598         * predict.c (maybe_hot_frequency_p): Update and handle functions
599         executed once.
600         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
601         attribute lookup.
602         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
603         (compute_function_frequency): Set noreturn functions to be executed
604         once.
605         (choose_function_section): Update.
606         * lto-streamer-in.c (input_function): Do not input function frequency.
607         * function.c (allocate_struct_function): Do not initialize function
608         frequency.
609         * function.h (function_frequency): Remove.
610         (struct function): Remove function frequency.
611         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
612         (try_update): Update.
613         * tree-inline.c (initialize_cfun): Do not update function frequency.
614         * passes.c (pass_init_dump_file): Update.
615         * i386.c (ix86_compute_frame_layout): Update.
616         (ix86_pad_returns): Update.
617
618 2010-04-26  Jie Zhang  <jie@codesourcery.com>
619
620         PR tree-optimization/43833
621         * tree-vrp.c (range_int_cst_p): New.
622         (range_int_cst_singleton_p): New.
623         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
624         when both operands are constants.  Use range_int_cst_p in
625         BIT_IOR_EXPR case.
626
627 2010-04-26  Jan Hubicka  <jh@suse.cz>
628
629         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
630
631 2010-04-26  Richard Guenther  <rguenther@suse.de>
632
633         PR lto/43080
634         * gimple.c (gimple_decl_printable_name): Deal gracefully
635         with a NULL DECL_NAME.
636
637 2010-04-26  Richard Guenther  <rguenther@suse.de>
638
639         PR lto/42425
640         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
641         if emitting debug information and it is either a function
642         or a namespace decl.
643
644 2010-04-26  Ira Rosen  <irar@il.ibm.com>
645
646         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
647         determine if the statement is vectorizable, and a macro to access it.
648         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
649         Skip statements that can't be vectorized. If the analysis fails,
650         mark the statement as unvectorizable if vectorizing basic block.
651         (vect_compute_data_refs_alignment): Likewise.
652         (vect_verify_datarefs_alignment): Skip statements marked as
653         unvectorizable. Add print.
654         (vect_analyze_group_access): Skip statements that can't be
655         vectorized. If the analysis fails, mark the statement as
656         unvectorizable if vectorizing basic block.
657         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
658         * tree-vect-stmts.c (vectorizable_store): Fix the number of
659         generated stmts for SLP.
660         (new_stmt_vec_info): Initialize the new field.
661         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
662         statements marked as unvectorizable.
663
664 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
665
666         * c-common.c (flag_isoc1x): New.
667         (flag_isoc99): Update comment.
668         * c-common.h (flag_isoc1x): New.
669         (flag_isoc99): Update comment.
670         * c-cppbuiltin.c (builtin_define_float_constants): Also define
671         __<type>_DECIMAL_DIG__.
672         * c-opts.c (set_std_c1x): New.
673         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
674         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
675         * c.opt (-std=c1x, -std=gnu1x): New options.
676         * doc/cpp.texi: Mention -std=c1x.
677         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
678         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
679         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
680         * doc/standards.texi: Mention C1X.
681         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
682         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
683         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
684         Define for C1X.
685
686 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
687
688         * config/i386/gmon-sol2.c (_mcleanup): Change format string
689         placeholder from 0x%x to %#x.
690         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
691         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
692         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
693         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
694         * config/i386/i386.c (ix86_target_string): Ditto.
695         (output_pic_addr_const): Ditto.
696         (print_operand): Ditto.
697
698 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
699
700         * combine.c (find_split_point): Add third argument.  Use it
701         to find nested multiply-accumulate instructions.  Adjust calls.
702         (try_combine): Adjust call to find_split_point.
703
704 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
705
706         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
707
708 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
709
710         PR tree-optimization/41442
711         * fold-const.c (merge_truthop_with_opposite_arm): New function.
712         (fold_binary_loc): Call it.
713
714 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
715
716         * toplev.c (general_init): Set default for fdiagnostics-show-option.
717         * opts.c (common_handle_option): Allow disabling it.
718         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
719
720 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
721
722         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
723         between modes if both types are integral.
724
725 2010-04-23  Richard Guenther  <rguenther@suse.de>
726
727         PR tree-optimization/43572
728         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
729
730 2010-04-23  Richard Guenther  <rguenther@suse.de>
731
732         PR lto/43455
733         * tree-inline.c (tree_can_inline_p): Also check compatibility
734         of return types.
735
736 2010-04-23  Martin Jambor  <mjambor@suse.cz>
737
738         PR tree-optimization/43846
739         * tree-sra.c (struct access): New flag grp_assignment_read.
740         (build_accesses_from_assign): Set grp_assignment_read.
741         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
742         (enum mark_read_status): New type.
743         (analyze_access_subtree): Propagate grp_assignment_read, create
744         accesses also if both direct_read and root->grp_assignment_read.
745
746 2010-04-23  Martin Jambor  <mjambor@suse.cz>
747
748         PR middle-end/43835
749         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
750         function does not have type attributes.
751
752 2010-04-23  Richard Guenther  <rguenther@suse.de>
753
754         PR lto/42653
755         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
756         of FUNCTION_DECLs.
757
758 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
759
760         * sese.h (create_if_region_on_edge): Remove.
761
762         * sese.c (create_if_region_on_edge): Make static.
763
764         * tree-inline.c: Do not include ggc.h.
765
766         * expr.c: Do not include ggc.h.
767
768         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
769         dependencies.
770
771 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
772
773         PR target/43744
774         * config/sh/sh.c (find_barrier): Don't emit a constant pool
775         in the middle of insns for casesi_worker_2.
776
777 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
778
779         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
780
781 2010-04-22  Ira Rosen  <irar@il.ibm.com>
782
783         PR tree-optimization/43842
784         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
785         loop unrolling in update of exit phis. Fix comment.
786         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
787         least two reduction statements in the loop before starting SLP
788         analysis.
789
790 2010-04-22  Nick Clifton  <nickc@redhat.com>
791
792         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
793
794 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
795
796         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
797         to simplify a + ~a.
798
799 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
800
801         * tree-parloops.c (loop_parallel_p): New argument
802         parloop_obstack.  Pass it down.
803         (parallelize_loops): New variable parloop_obstack.  Initialize it,
804         pass it down, free it.
805
806         * tree-loop-linear.c (linear_transform_loops): Pass down
807         lambda_obstack.
808
809         * tree-data-ref.h (lambda_compute_access_matrices): New argument
810         of type struct obstack *.
811
812         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
813         scratch_obstack.  Initialize it, pass down, free it.
814
815         * lambda.h (lambda_loop_new): Remove.
816         (lambda_matrix_new, lambda_matrix_inverse)
817         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
818         argument of type struct obstack *.
819
820         * lambda-trans.c (lambda_trans_matrix_new): New argument
821         lambda_obstack.  Pass it down, use obstack allocation for ret.
822         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
823         it down.
824
825         * lambda-mat.c (lambda_matrix_get_column)
826         (lambda_matrix_project_to_null): Remove.
827         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
828         allocation for mat.
829         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
830         lambda_obstack.
831
832         * lambda-code.c (lambda_loop_new): New function.
833         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
834         (lambda_compute_auxillary_space, lambda_compute_target_space)
835         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
836         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
837         (build_access_matrix): New argument lambda_obstack.  Use obstack
838         allocation for am.
839         (lambda_compute_step_signs, lambda_compute_access_matrices): New
840         argument lambda_obstack.  Pass it down.
841
842 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
843
844         * optabs.h (expand_widening_mult): Declare.
845
846 2010-04-22  Richard Guenther  <rguenther@suse.de>
847
848         PR tree-optimization/43845
849         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
850         lookup the CALL_EXPR function and arguments.
851
852 2010-04-22  Nick Clifton  <nickc@redhat.com>
853
854         * config/stormy16/stormy16.c
855         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
856         * config/stormy16/stormy16.h: Tidy up formatting.
857         (DONT_USE_BUILTIN_SETJMP): Remove definition.
858         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
859         (ineqbranchsi): Delete pattern.
860         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
861         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
862         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
863         stormy16-lib2-ucmpsi2.c.
864
865 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
866
867         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
868         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
869         extra set merge_set_noclobber, and use it to relax the final test
870         slightly.
871         * df.h (df_simulate_find_noclobber_defs): Declare.
872         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
873         conditional defs.
874         (df_simulate_find_noclobber_defs): New function.
875
876 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
877
878         * config/i386/i386.md: Use {} around multi-line preparation statements.
879
880 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
881
882         * c-tree.h (push_init_level, pop_init_level, set_init_index)
883         (process_init_element): New argument of type struct obstack *.
884
885         * c-typeck.c (push_init_level, pop_init_level, set_designator)
886         (set_init_index, set_init_label, set_nonincremental_init)
887         (set_nonincremental_init_from_string, find_init_member)
888         (output_init_element, output_pending_init_elements)
889         (process_init_element): New argument braced_init_obstack.  Pass it
890         down.
891         (push_range_stack, add_pending_init): New argument
892         braced_init_obstack.  Use obstack allocation.
893
894         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
895         braced_init_obstack.  Pass it down.
896         (c_parser_braced_init): New variables ret, braced_init_obstack.
897         Initialize obstack, pass it down and finally free it.
898
899 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
900
901         PR middle-end/29274
902         * tree-pass.h (pass_optimize_widening_mul): Declare.
903         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
904         gate_optimize_widening_mul): New static functions.
905         (pass_optimize_widening_mul): New.
906         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
907         <case MULT_EXPR>: Remove support for widening multiplies.
908         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
909         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
910         simplify_gen_unary rather than directly building extensions.
911         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
912         WIDEN_MULT_EXPR.
913         * expmed.c (expand_widening_mult): New function.
914         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
915
916 2010-04-21  Jan Hubicka  <jh@suse.cz>
917
918         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
919         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
920         * lto-wpa-fixup.c: Remove.
921         * Makefile.in (lto-wpa-fixup.o): Remove.
922         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
923         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
924         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
925
926 2010-04-21  Jan Hubicka  <jh@suse.cz>
927
928         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
929         add write_optimization_summary, read_optimization_summary.
930         (ipa_write_summaries_of_cgraph_node_set): Remove.
931         (ipa_write_optimization_summaries): Declare.
932         (ipa_read_optimization_summaries): Declare.
933         * ipa-cp.c (pass_ipa_cp): Update.
934         * ipa-reference.c (pass_ipa_reference): Update.
935         * ipa-pure-const.c (pass_ipa_pure_const): Update.
936         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
937         Update.
938         * ipa-inline.c (pass_ipa_inline): Update.
939         * ipa.c (pass_ipa_whole_program): Update.
940         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
941         * passes.c (ipa_write_summaries_1): Do not test wpa.
942         (ipa_write_optimization_summaries_1): New.
943         (ipa_write_optimization_summaries): New.
944         (ipa_read_summaries): Do not test ltrans.
945         (ipa_read_optimization_summaries_1): New.
946         (ipa_read_optimization_summaries): New.
947
948 2010-04-21  Jan Hubicka  <jh@suse.cz>
949
950         * lto-cgraph.c (lto_output_node): Do not output comdat groups
951         for boundary nodes.
952         (output_cgraph): Do not arrange comdat groups for boundary nodes.
953
954 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
955
956         PR debug/40040
957         * dwarf2out.c (add_name_and_src_coords_attributes): Add
958         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
959
960 2010-04-21  Jan Hubicka  <jh@suse.cz>
961
962         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
963
964 2010-04-21  Jan Hubicka  <jh@suse.cz>
965
966         * varpool.c (decide_is_variable_needed): Variable is always needed
967         during ltrans.
968
969 2010-04-21  Jan Hubicka  <jh@suse.cz>
970
971         * opts.c (decode_options): Enable pure-const pass for whopr.
972
973 2010-04-21  Jan Hubicka  <jh@suse.cz>
974
975         * cgraph.c (dump_cgraph_node): Dump also assembler name.
976         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
977         at WPA dumping.
978         (cgraph_decide_inlining): Do not expect callee to be removed in all
979         cases.
980
981 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
982
983         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
984
985 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
986
987         * config/i386/i386.md (x86_shrd): Add athlon_decode and
988         amdfam10_decode attributes.
989
990 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
991
992         PR middle-end/43570
993         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
994         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
995         (lower_copyprivate_clauses): Use private var in outer
996         context instead of original var.  Make sure the types
997         are correct for VLAs.
998
999 2010-04-21  Richard Guenther  <rguenther@suse.de>
1000
1001         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1002         to non-pointer objects.
1003
1004 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1005
1006         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1007         last chain entry if it starts with the still current label.
1008         (add_location_or_const_value_attribute): Check that
1009         loc_list->first->next is NULL instead of comparing ->first with ->last.
1010         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1011         to add_var_loc_to_decl.
1012
1013         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1014         >= 4 add also address size and segment size fields into CIE header.
1015
1016         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1017         long as address size is the same as sizeof (void *) and
1018         segment size is 0.
1019         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1020         address size or segment size is unexpected, return DW_EH_PE_omit.
1021         (classify_object_over_fdes): If get_cie_encoding returned
1022         DW_EH_PE_omit, return -1.
1023         (init_object): If classify_object_over_fdes returned -1,
1024         pretend there were no FDEs at all.
1025
1026 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1029         bswap{si,di}2 using SWI48 mode iterator.
1030         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1031         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1032         set modrm attribute of bswap insn to 0 and remove length attribute.
1033         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1034         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1035         set mode attribute to <MODE> and remove length attribute.
1036
1037 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1038
1039         PR rtl-optimization/43520
1040         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1041         zero available registers.
1042
1043 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1044
1045         * builtins.c (fold_builtin_cproj): Fold more cases.
1046
1047 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1048
1049         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1050         (fold_builtin_1): Fold builtin cproj.
1051         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1052         Use ATTR_CONST_NOTHROW_LIST.
1053
1054 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1055
1056         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1057         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1058         ffsi2_no_cmove for !TARGET_CMOVE.
1059         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1060         (ffssi2): Remove expander.
1061         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1062         mode iterator.
1063         (ctz<mode>2): Ditto from ctz{si,di}2.
1064         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1065         mode iterator.
1066         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1067         mode iterator.
1068
1069 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1070
1071         * dwarf2out.c (AT_linkage_name): Define.
1072         (clone_as_declaration): Handle DW_AT_linkage_name.
1073         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1074         of DW_AT_MIPS_linkage_name.
1075         (move_linkage_attr): Likewise.
1076         (dwarf2out_finish): Likewise.
1077
1078 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1079
1080         PR middle-end/41952
1081         * fold-const.c (fold_comparison): New folding rule.
1082
1083 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1084
1085         * double-int.h (double_int_setbit): Declare.
1086         * double-int.c (double_int_setbit): New function.
1087         * rtl.h (immed_double_int_const): Declare.
1088         * emit-rtl.c (immed_double_int_const): New function.
1089         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1090         and immed_double_int_const functions.
1091         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1092         expand_copysign_bit):  (Ditto.).
1093         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1094         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1095         * dojump.c (prefer_and_bit_test): (Ditto.).
1096         * expr.c (convert_modes, reduce_to_bit_field_precision,
1097         const_vector_from_tree): (Ditto.).
1098         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1099
1100 2010-04-20  Jan Hubicka  <jh@suse.cz>
1101
1102         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1103         (dump_cgraph_node): Dump new flags.
1104         * cgraph.h (struct cgraph_node): Add flags
1105         reachable_from_other_partition and in_other_partition.
1106         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1107         other partition can not be removed.
1108         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1109         the other partition must be output; silence sanity checking on
1110         leaking functions bodies from other paritition.
1111         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1112         (lto_output_node): Output new flags; do not sanity check that inline
1113         clones are output; drop lto_forced_extern_inline_p code; do not mock
1114         visibility flags at partition boundaries.
1115         (add_node_to): New function.
1116         (output_cgraph): Use it to sort functions so masters appear before
1117         clones.
1118         (input_overwrite_node): Input new flags.
1119         * passes.c (ipa_write_summaries): Do not call
1120         lto_new_extern_inline_states.
1121         * lto-section-out.c (forced_extern_inline,
1122         lto_new_extern_inline_states lto_delete_extern_inline_states,
1123         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1124         * lto-streamer.h (lto_new_extern_inline_states,
1125         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1126         lto_forced_extern_inline_p): Kill.
1127
1128 2010-04-20  Richard Guenther  <rguenther@suse.de>
1129
1130         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1131         from vars that can have pointers.
1132         (process_constraint): Dump useless constraints.
1133
1134 2010-04-20  Richard Guenther  <rguenther@suse.de>
1135
1136         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1137         (dump_sa_points_to_info): Remove asserts.
1138         (init_base_vars): nothing_id isn't an escape point nor does it
1139         have pointers.
1140
1141 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1142
1143         * tree.h (TYPE_REF_IS_RVALUE): Define.
1144         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1145         should_move_die_to_comdat, prune_unused_types_walk): Handle
1146         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1147         (modified_type_die, gen_reference_type_die): Emit
1148         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1149         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1150
1151 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1152
1153         PR target/43635
1154         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1155         calls for -fpic -m31 if they have been sibcall optimized.
1156
1157 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1158
1159         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1160         ar.lc fixed and call-used.
1161
1162         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1163
1164 2010-04-19  Jan Hubicka  <jh@suse.cz>
1165
1166         * opts.c (decode_options): Disable whpr incompatible passes.
1167         * lto/lto.c (lto_1_to_1_map): Skip clones.
1168         (read_cgraph_and_symbols): Do not mark everything as needed.
1169         (do_whole_program_analysis): Do map only after optimizing;
1170         set proper cgraph_state; use passmanager.
1171
1172 2010-04-19  DJ Delorie  <dj@redhat.com>
1173
1174         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1175         POINTER_PLUS_EXPR and fix them.
1176
1177 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1178
1179         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1180         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1181         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1182         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1183         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1184         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1185         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1186         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1187         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1188         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1189         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1190
1191 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1192
1193         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1194         (check_cond_move_block): Likewise.
1195         (cond_move_process_if_block): Likewise.
1196         (noce_find_if_block): Improve formatting.
1197         (find_if_header): Pass 0 to memset and tweak conditions.
1198         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1199
1200 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1201
1202         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1203         for -gdwarf-4.
1204
1205         PR middle-end/43337
1206         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1207         with non-local decl doesn't need chain.
1208
1209 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1210
1211         * ira-color.c (allocno_reload_assign): Avoid accumulating
1212         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1213
1214 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1215
1216         * gimple.h (create_tmp_reg): Declare.
1217         * gimplify.c (create_tmp_reg): New function.
1218         (gimplify_return_expr): Use create_tmp_reg.
1219         (gimplify_omp_atomic): Likewise.
1220         (gimple_regimplify_operands): Likewise.
1221         * tree-dfa.c (make_rename_temp): Likewise.
1222         * tree-predcom.c (predcom_tmp_var): Likewise.
1223         (reassociate_to_the_same_stmt): Likewise.
1224         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1225         (get_replaced_param_substitute): Likewise.
1226         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1227         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1228         * tree-ssa-pre.c (get_representative_for): Likewise.
1229         (create_expression_by_pieces): Likewise.
1230         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1231         (create_tailcall_accumulator): Likewise.
1232
1233 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1234
1235         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1236         new_stmt.
1237         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1238
1239 2010-04-19  Richard Guenther  <rguenther@suse.de>
1240
1241         PR tree-optimization/43796
1242         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1243         from SCEV in the lattice.
1244         (vrp_visit_phi_node): Dump change.
1245
1246 2010-04-19  Richard Guenther  <rguenther@suse.de>
1247
1248         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1249         * configure: Re-generated.
1250
1251 2010-04-19  Richard Guenther  <rguenther@suse.de>
1252
1253         PR tree-optimization/43783
1254         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1255         constant ARRAY_REF operands two and three if possible.
1256
1257 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1258
1259         PR target/43766
1260         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1261
1262 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1263
1264         PR target/43662
1265         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1266
1267 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1268
1269         PR tree-optimization/37027
1270         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1271         and macro to access it.
1272         (vectorizable_reduction): Add argument.
1273         (vect_get_slp_defs): Likewise.
1274         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1275         statements for possible use in SLP.
1276         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1277         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1278         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1279         add new argument.
1280         (vectorizable_reduction): Likewise.
1281         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1282         vect_get_slp_defs.
1283         (vectorizable_type_demotion, vectorizable_type_promotion,
1284         vectorizable_store): Likewise.
1285         (vect_analyze_stmt): Update call to vectorizable_reduction.
1286         (vect_transform_stmt): Likewise.
1287         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1288         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1289         from different interleaving chains in same node.
1290         (vect_slp_rearrange_stmts): New function.
1291         (vect_supported_load_permutation_p): Allow load permutations for
1292         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1293         inside SLP nodes if necessary.
1294         (vect_analyze_slp_instance): Handle reductions.
1295         (vect_analyze_slp): Try to build SLP instances originating from groups
1296         of reductions.
1297         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1298         (vect_get_constant_vectors): Create initial vectors for reductions
1299         according to reduction code. Add new argument.
1300         (vect_get_slp_defs): Add new argument, pass it to
1301         vect_get_constant_vectors.
1302         (vect_schedule_slp_instance): Remove SLP tree root statements.
1303
1304 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1305
1306         * tree.h (ENUM_IS_SCOPED): Define.
1307         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1308         for ENUM_IS_SCOPED enums.
1309
1310 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1311
1312         * fold-const.c (fold_comparison): Use ssizetype.
1313         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1314         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1315         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1316         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1317
1318         * tree.h (initialize_sizetypes): Remove parameter.
1319         (build_common_tree_nodes): Remove second parameter.
1320         * stor-layout.c (initialize_sizetypes): Remove parameter.
1321         Always create an unsigned type.
1322         (set_sizetype): Assert that the passed type is unsigned and simplify.
1323         * tree.c (build_common_tree_nodes): Remove second parameter.
1324         Adjust call to initialize_sizetypes.
1325         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1326         build_common_tree_nodes.
1327
1328 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1329
1330         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1331
1332 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1333
1334         PR tree-optimization/43771
1335         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1336         load permutation doesn't have gaps.
1337
1338 2010-04-18  Jan Hubicka  <jh@suse.cz>
1339
1340         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1341         (sse_prologue_save_insn expander): Use new pattern.
1342         (sse_prologue_save_insn1): New pattern and splitter.
1343         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1344         blocks.
1345         * i386.c (setup_incoming_varargs_64): Do not compute jump
1346         destination here.
1347         (ix86_gimplify_va_arg): Update alignment needed.
1348         (ix86_local_alignment): Do not align all local arrays to 128bit.
1349
1350 2010-04-17  Jan Hubicka  <jh@suse.cz>
1351
1352         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1353
1354 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1355
1356         * arm.md (negdi2): Remove redundant code to force values into a
1357         register.
1358
1359 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1360
1361         * arm/bpabi.S: Add EABI alignment attributes to objects.
1362         * arm/bpabi-v6m.S: Likewise.
1363         * arm/crti.asm: Likewise.
1364         * arm/crtn.asm: Likewise.
1365         * arm/lib1funcs.asm: Likewise.
1366         * arm/libunwind.S: Likewise.
1367
1368 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1369
1370         * arm-protos.h (tune_params): New structure.
1371         * arm.c (current_tune): New variable.
1372         (arm_constant_limit): Delete.
1373         (struct processors): Add pointer to the tune parameters.
1374         (arm_slowmul_tune): New tuning option.
1375         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1376         (all_cores): Adjust to pick up the tuning model.
1377         (arm_constant_limit): New function.
1378         (arm_override_options): Select the appropriate tuning model.  Delete
1379         initialization of arm_const_limit.
1380         (arm_split_constant): Use the new constant-limit model.
1381         (arm_rtx_costs): Pick up the current tuning model.
1382         * arm.md (is_strongarm, is_xscale): Delete.
1383         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1384         for Xscale variant architectures.
1385         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1386
1387 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1388
1389         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1390         can_shift.
1391         (arm_rtx_costs_1): Remove unused variable extra_cost.
1392         (arm_unwind_emit_set): Use variable offset.
1393         (thumb1_output_casesi): Remove unused variable flags.
1394
1395 2010-04-16  Jeff Law  <law@redhat.com>
1396
1397         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1398         needing assignment rather than doing a two-phase assignment.  Remove
1399         unused variable 'm'.
1400
1401 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1402
1403         PR bootstrap/43767
1404         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1405
1406 2010-04-16  Doug Kwan  <dougkwan@google.com>
1407
1408         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1409         (next_operand_entry_id): New static variable.
1410         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1411         (add_to_ops_vec): Assigned unique ID to operand entry.
1412         (struct oecount_s): New field ID.
1413         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1414         (undistribute_ops_list): Assign unique IDs to oecounts.
1415         (init_reassoc): reset next_operand_entry_id.
1416
1417 2010-04-16  Doug Kwan  <dougkwan@google.com>
1418
1419         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1420         missing left parenthesis.
1421
1422 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1423
1424         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1425         *btdi_rex64 using SWI48 mode iterator.
1426         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1427         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1428         *jcc_btdi_mask_rex64.
1429
1430 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1431
1432         * double-int.h (tree_to_double_int): Convert to macro.
1433         * double-int.c (tree_to_double_int): Remove.
1434
1435 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1436
1437         PR debug/43762
1438         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1439         with want_address 2 and in case a single element list might be
1440         possible, call it again with want_address 0.
1441
1442 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1443
1444         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1445         case 'W' print operands for HI mode.
1446         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1447         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1448         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1449         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1450
1451         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1452
1453         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1454         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1455         #xx:3 and #xx:4 mode.
1456
1457         * config/h8300/h8300.md (inverted load with HImode dest): Add
1458         support for H8300SX.
1459
1460         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1461         satisfy 'U' constraint.
1462
1463 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1464
1465         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1466         * configure: Regenerate.
1467         * config.in: Regenerate.
1468         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1469         works.
1470
1471 2010-04-16  Richard Guenther  <rguenther@suse.de>
1472
1473         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1474         (struct tree_decl_common): ... here.
1475         (DECL_PT_UID): Adjust.
1476         (SET_DECL_PT_UID): Likewise.
1477         (DECL_PT_UID_SET_P): Likewise.
1478
1479 2010-04-16  Richard Guenther  <rguenther@suse.de>
1480
1481         PR tree-optimization/43572
1482         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1483         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1484         * tree-flow.h (is_call_clobbered): Remove.
1485         * tree-flow-inline.h (is_call_clobbered): Likewise.
1486         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1487         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1488         (execute_return_slot_opt): Adjust.
1489         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1490         check for call clobbered vars here.
1491         (find_tail_calls): Move tailcall verification to the
1492         proper place.
1493
1494 2010-04-16  Diego Novillo  <dnovillo@google.com>
1495
1496         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1497
1498 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1499
1500         PR target/40603
1501         * config/arm/arm.md (cbranchqi4): New pattern.
1502         * config/arm/predicates.md (const0_operand,
1503         cbranchqi4_comparison_operator): New predicates.
1504
1505 2010-04-16  Richard Guenther  <rguenther@suse.de>
1506
1507         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1508         (dump_gimple_stmt): Likewise.
1509
1510 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1511
1512         * recog.h (struct recog_data): New field is_operator.
1513         (struct insn_operand_data): New field is_operator.
1514         * recog.c (extract_insn): Set recog_data.is_operator.
1515         * genoutput.c (output_operand_data): Emit code to set the
1516         is_operator field.
1517         * reload.c (find_reloads): Use it rather than testing for an
1518         empty constraint string.
1519
1520         PR target/41514
1521         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1522         If the previous insn is a cbranchsi4_insn with the same arguments,
1523         omit the compare instruction.
1524
1525         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1526         register, inputs must be low registers and we need a low register
1527         scratch.  Handle alternative 2 like alternative 3.
1528
1529 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1530
1531         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1532         don't call get_addr on both.  If one expression is a VALUE and
1533         the other a REG, check VALUE's locs if the REG isn't among them.
1534
1535 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1536
1537         * config/sh/sh.h (sh_frame_pointer_required): New function.
1538         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1539         (flag_omit_frame_pointer) Set.
1540         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1541         (rounded_frame_size): Adjust size with outgoing_args_size.
1542         (sh_set_return_address): Must return from stack pointer.
1543         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1544         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1545         (ACCUMULATE_OUTGOING_ARGS): Define.
1546         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1547         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1548
1549 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1550
1551         PR target/43471
1552         * config/sh/sh.c (sh_legitimize_reload_address): Use
1553         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1554         Remove a unneeded check for offset_base.
1555
1556 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1557
1558         * configure: Regenerated.
1559
1560 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1561
1562         * config/s390/s390.c (s390_call_save_register_used): Switch back
1563         to HARD_REGNO_NREGS.
1564
1565 2010-04-15  Richard Guenther  <rguenther@suse.de>
1566
1567         * alias.c (alias_set_subset_of): Handle alias-set zero
1568         child properly.
1569
1570 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1571             Julian Brown  <julian@codesourcery.com>
1572
1573         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1574         alternatives according to use of high and low regs.
1575         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1576         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1577         optimizing for size on Thumb-2.
1578
1579 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1580
1581         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1582
1583 2010-04-15  Richard Guenther  <rguenther@suse.de>
1584
1585         * tree-ssa-structalias.c (struct variable_info): Add
1586         is_fn_info flag.
1587         (new_var_info): Initialize it.
1588         (dump_constraints): Support printing last added constraints.
1589         (debug_constraints): Adjust.
1590         (dump_constraint_graph): Likewise.
1591         (make_heapvar_for): Check for NULL cfun.
1592         (get_function_part_constraint): New function.
1593         (get_fi_for_callee): Likewise.
1594         (find_func_aliases): Properly implement IPA PTA constraints.
1595         (process_ipa_clobber): New function.
1596         (find_func_clobbers): Likewise.
1597         (insert_into_field_list_sorted): Remove.
1598         (create_function_info_for): Properly allocate vars for IPA mode.
1599         Do not use insert_into_field_list_sorted.
1600         (create_variable_info_for): Properly generate constraints for
1601         global vars in IPA mode.
1602         (dump_solution_for_var): Always dump the solution.
1603         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1604         (find_what_var_points_to): Adjust.
1605         (pt_solution_set): Change.
1606         (pt_solution_ior_into): New function.
1607         (pt_solution_empty_p): Export.
1608         (pt_solution_includes_global): Adjust.
1609         (pt_solution_includes_1): Likewise.
1610         (pt_solutions_intersect_1): Likewise.
1611         (dump_sa_points_to_info): Check some invariants.
1612         (solve_constraints): Move constraint dumping ...
1613         (compute_points_to_sets): ... here.
1614         (ipa_pta_execute): ... and here.
1615         (compute_may_aliases): Do not re-compute points-to info
1616         locally if IPA info is available.
1617         (ipa_escaped_pt): New global var.
1618         (ipa_pta_execute): Properly implement IPA PTA.
1619         * tree-into-ssa.c (dump_decl_set): Support dumping
1620         decls not in referenced-vars.
1621         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1622         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1623         (dump_points_to_solution): Likewise.
1624         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1625         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1626         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1627         (copy_decl_to_var): Copy DECL_PT_UID.
1628         (copy_result_decl_to_var): Likewise.
1629         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1630         (copy_node_stat): Copy it.
1631         * tree.h (DECL_PT_UID): New macro.
1632         (SET_DECL_PT_UID): Likewise.
1633         (DECL_PT_UID_SET_P): Likewise.
1634         (struct tree_decl_minimal): Add pt_uid member.
1635         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1636         (pt_solution_empty_p): Declare.
1637         (pt_solution_set): Adjust.
1638         (ipa_escaped_pt): Declare.
1639         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1640         * gimple-pretty-print.c (pp_points_to_solution): New function.
1641         (dump_gimple_call): Dump call clobber/use information.
1642         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1643         * tree-pass.h (TDF_ALIAS): New dump option.
1644         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1645         * doc/invoke.texi (-fipa-pta): Update documentation.
1646
1647 2010-04-15  Richard Guenther  <rguenther@suse.de>
1648
1649         * Makefile.in (OBJS-common): Add gimple-fold.o.
1650         (gimple-fold.o): New rule.
1651         * tree.h (maybe_fold_offset_to_reference,
1652         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1653         prototypes ...
1654         * gimple.h: ... here.
1655         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1656         may_propagate_address_into_dereference): Move prototypes ...
1657         * gimple.h: ... here.
1658         * tree-ssa-ccp.c (get_symbol_constant_value,
1659         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1660         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1661         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1662         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1663         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1664         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1665         gimplify_and_update_call_from_tree): Move ...
1666         * gimple-fold.c: ... here.  New file.
1667         (ccp_fold_builtin): Rename to ...
1668         (gimple_fold_builtin): ... this.
1669         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1670
1671 2010-04-15  Richard Guenther  <rguenther@suse.de>
1672
1673         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1674         fit_double_type, force_fit_type_double, add_double_with_sign,
1675         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1676         lrotate_double, rrotate_double, div_and_round_double): Move ...
1677         * double-int.c: ... here.
1678         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1679         add_double, neg_double, mul_double_with_sign, mul_double,
1680         lshift_double, rshift_double, lrotate_double, rrotate_double,
1681         div_and_round_double): Move prototypes ...
1682         * double-int.h: ... here.
1683
1684 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1685
1686         PR target/43742
1687         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1688         matching constraints to ensure inputs match the output.
1689
1690 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1691
1692         PR target/43742
1693         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1694         in an input-only operand.
1695
1696 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1697
1698         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1699         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1700         (double_int_negative_p): Convert to static inline function.
1701         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1702         (double_int_negative_p): Remove.
1703         * tree.h (lshift_double, rshift_double):
1704         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1705         * fold-const.c (fold_convert_const_int_from_real,
1706         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1707         (lshift_double): Change type of arith argument to bool.
1708         (rshift_double): Change type of arith argument to bool. Correct
1709         comment.
1710         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1711
1712 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1713
1714         PR target/21803
1715         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1716         at the start and end of the then/else blocks, and omit them from the
1717         conversion.
1718         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1719         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1720         (flow_find_head_matching_sequence): New function.
1721         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1722         * basic-block.h (flow_find_cross_jump,
1723         flow_find_head_matching_sequence): Declare functions.
1724
1725 2010-04-14  Jason Merrill  <jason@redhat.com>
1726
1727         PR c++/36625
1728         * c-common.c (attribute_takes_identifier_p): New fn.
1729         * c-common.h: Declare it.
1730
1731 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1732
1733         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1734         splitter condition.
1735         (*udivmod<mode>4): Ditto.
1736
1737 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1738
1739         * config/i386/i386.md (maxmin_int): Rename code attribute from
1740         maxminiprefix and update all users.
1741         (maxmin_float): Ditto from maxminfprefix.
1742         (logic): Ditto from logicprefix.
1743         (absneg_mnemonic): Ditto from absnegprefix.
1744         * config/i386/mmx.md: Update all users of maxminiprefix,
1745         maxminfprefix and logicprefix for rename.
1746         * config/i386/sse.md: Ditto.
1747         * config/i386/sync.md (sync_<code><mode>): Update for
1748         logicprefix rename.
1749
1750 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1751
1752         PR 42966
1753         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1754         warnings converted to errors.
1755
1756 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1757
1758         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1759         used insn_type variable.
1760         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1761         to avoid set-but-not-used warning.
1762
1763 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1764
1765         * df-core.c (df_ref_debug): Change format string placeholder
1766         from 0x%x to %#x.
1767         * dwarf2asm.c (dw2_asm_output_data_raw,
1768         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1769         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1770         * dwarf2out.c (output_cfi, output_cfi_directive,
1771         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1772         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1773         Ditto.
1774         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1775         * print-rtl.c (print_rtx): Ditto.
1776
1777 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1778
1779         PR middle-end/42694
1780         * builtins.c (expand_builtin_pow_root): New function to expand pow
1781         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1782         series of sqrt and cbrt calls under -ffast-math.
1783         (expand_builtin_pow): Call it.
1784
1785 2010-04-14  Michael Matz  <matz@suse.de>
1786
1787         PR tree-optimization/42963
1788         * tree-cfg.c (touched_switch_bbs): New static variable.
1789         (group_case_labels_stmt): New function broken out from ...
1790         (group_case_labels): ... here, use the above.
1791         (start_recording_case_labels): Allocate touched_switch_bbs.
1792         (end_recording_case_labels): Deallocate it, call
1793         group_case_labels_stmt.
1794         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1795
1796 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1797
1798         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1799         from insn template.
1800
1801 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1802
1803         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1804
1805 2010-04-13  Jan Hubicka  <jh@suse.cz>
1806
1807         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1808         of optimized out static functions.
1809         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1810         cost computation.  Also sanity check for overflows.
1811         (update_caller_keys): Update cgraph_edge_badness call; properly
1812         update fibheap and sanity check that it is up to date.
1813         (add_new_edges_to_heap): Update cgraph_edge_badness.
1814         (cgraph_decide_inlining_of_small_function): Likewise;
1815         add sanity checking that badness in heap is up to date;
1816         improve dumping of reason; Update badness of calls to the
1817         offline copy of function currently inlined; dump badness
1818         of functions not inlined because of unit growth limits.
1819
1820 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1821
1822         PR middle-end/32628
1823         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1824         because of sign-extension change when converting to sizetype here...
1825         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1826
1827         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1828         the folding to constants.  Remove redundant final conversion.
1829         (fold_binary) <associate>: Do not associate if the re-association of
1830         constants alone overflows.
1831         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1832         to the end of the list.
1833         (multiple_of_p) <COND_EXPR>: New case.
1834
1835 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1836
1837         * opt-functions.awk (opt_sanitized_name): New.
1838         (opt_enum): New.
1839         * optc-gen.awk: Use it
1840         * opth-gen.awk: Use it.
1841
1842 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1843
1844         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1845         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1846         children.  Call replace_uses_with_default_def_ssa_name to handle
1847         SSA_NAES on lhs.
1848
1849 2010-04-13  Michael Matz  <matz@suse.de>
1850
1851         PR middle-end/43730
1852         * builtins.c (expand_builtin_interclass_mathfn): Also create
1853         a register if the predicate doesn't match.
1854
1855 2010-04-13  Diego Novillo  <dnovillo@google.com>
1856
1857         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1858         * c-pch.c: Include timevar.h.
1859         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1860         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1861         * ggc-common.c: Include timevar.h.
1862         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1863         * timevar.def (TV_PCH_SAVE): Define.
1864         (TV_PCH_CPP_SAVE): Define.
1865         (TV_PCH_PTR_REALLOC): Define.
1866         (TV_PCH_PTR_SORT): Define.
1867         (TV_PCH_RESTORE): Define.
1868         (TV_PCH_CPP_RESTORE): Define.
1869
1870 2010-04-13  Michael Matz  <matz@suse.de>
1871
1872         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1873         into MINUS_EXPRs.
1874         (can_reassociate_p): New function.
1875         (break_up_subtract_bb, reassociate_bb): Use it.
1876
1877 2010-04-13  Richard Guenther  <rguenther@suse.de>
1878
1879         PR bootstrap/43737
1880         * builtins.c (c_readstr): Fix assert.
1881
1882 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1883
1884         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1885         when generating cltd insn.
1886
1887         (*ashl<mode>3_1): Remove special handling for register operand 2.
1888         (*ashlsi3_1_zext): Ditto.
1889         (*ashlhi3_1): Ditto.
1890         (*ashlhi3_1_lea): Ditto.
1891         (*ashlqi3_1): Ditto.
1892         (*ashlqi3_1_lea): Ditto.
1893         (*<shiftrt_insn><mode>3_1): Ditto.
1894         (*<shiftrt_insn>si3_1_zext): Ditto.
1895         (*<shiftrt_insn>qi3_1_slp): Ditto.
1896         (*<rotate_insn><mode>3_1): Ditto.
1897         (*<rotate_insn>si3_1_zext): Ditto.
1898         (*<rotate_insn>qi3_1_slp): Ditto.
1899
1900 2010-04-13  Richard Guenther  <rguenther@suse.de>
1901
1902         * tree-ssa-structalias.c (callused_id): Remove.
1903         (call_stmt_vars): New.
1904         (get_call_vi): Likewise.
1905         (lookup_call_use_vi): Likewise.
1906         (lookup_call_clobber_vi): Likewise.
1907         (get_call_use_vi): Likewise.
1908         (get_call_clobber_vi): Likewise.
1909         (make_transitive_closure_constraints): Likewise.
1910         (handle_const_call): Adjust to do per-call call-used handling.
1911         (handle_pure_call): Likewise.
1912         (find_what_var_points_to): Remove general callused handling.
1913         (init_base_vars): Likewise.
1914         (init_alias_vars): Initialize call_stmt_vars.
1915         (compute_points_to_sets): Process call-used and call-clobbered
1916         vars for call statements.
1917         (delete_points_to_sets): Free call_stmt_vars.
1918
1919 2010-04-13  Richard Guenther  <rguenther@suse.de>
1920
1921         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1922         Only add RW dependence for dependence distance zero.
1923         Adjust maximal vectorization factor according to dependences.
1924         Move alignment handling ...
1925         (vect_find_same_alignment_drs): ... here.  New function.
1926         (vect_analyze_data_ref_dependences): Adjust.
1927         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1928         (vect_analyze_data_refs): Adjust minimal vectorization factor
1929         according to data references.
1930         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1931         dependences before determining the vectorization factor.
1932         Analyze alignment after determining the vectorization factor.
1933         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1934         dependences before alignment.
1935         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1936         Adjust prototype.
1937         (vect_analyze_data_refs): Likewise.
1938         (MAX_VECTORIZATION_FACTOR): New define.
1939
1940 2010-04-13  Duncan Sands  <baldrick@free.fr>
1941
1942         * except.h (lang_eh_type_covers): Remove.
1943         * except.c (lang_eh_type_covers): Likewise.
1944
1945 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1946             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1947
1948         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1949         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1950         UNITS_PER_LONG where it is ABI relevant.
1951         (s390_return_addr_rtx): Likewise.
1952         (s390_back_chain_rtx): Likewise.
1953         (s390_frame_area): Likewise.
1954         (s390_frame_info): Likewise.
1955         (s390_initial_elimination_offset): Likewise.
1956         (save_gprs): Likewise.
1957         (s390_emit_prologue): Likewise.
1958         (s390_emit_epilogue): Likewise.
1959         (s390_function_arg_advance): Likewise.
1960         (s390_function_arg): Likewise.
1961         (s390_va_start): Likewise.
1962         (s390_gimplify_va_arg): Likewise.
1963         (s390_function_profiler): Likewise.
1964         (s390_optimize_prologue): Likewise.
1965         (s390_rtx_costs): Likewise.
1966         (s390_secondary_reload): Likewise.
1967         (s390_promote_function_mode): Likewise.
1968         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1969         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1970         registers available.
1971         (s390_unwind_word_mode): New function.
1972         (s390_function_value): Split 64 bit values into register pair if
1973         used as return value.
1974         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1975         function call parameters.  Handle parallels.
1976         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1977         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1978         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1979         (s390_expand_setmem): Remove unused variable src_addr.
1980         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1981         deal with 64 bit registers.
1982         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1983         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1984         (UNITS_PER_LONG): New macro.
1985         * libjava/include/s390-signal.h: Define extended ucontext
1986         structure containing the upper halfs of the 64 bit registers.
1987
1988 2010-04-13  Simon Baldwin  <simonb@google.com>
1989
1990         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1991
1992 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1993
1994         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1995         rvalue on the RHS if the LHS is of a non-renamable type.
1996         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1997
1998 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1999
2000         * gcc.c (cc1_options): Handle -iplugindir before processing
2001         the cc1 spec. Only add -iplugindir once.
2002         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2003         found.
2004         * common.opt (iplugindir): Remove `Separate' property, initialize.
2005         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2006         option.
2007         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2008         (distclean): Remove plugin dir.
2009         * doc/invoke.texi: Document -iplugindir.
2010
2011 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2012
2013         * doc/plugins.texi (Loading Plugins): Document short
2014         -fplugin=foo option.
2015         (Plugin API): Mention default_plugin_dir_name function.
2016
2017         * gcc.c (find_file_spec_function): Add new declaration.
2018         (static_spec_func): Use it for "find-file".
2019         (find_file_spec_function): Add new function.
2020         (cc1_options): Add -iplugindir option if -fplugin* options found.
2021
2022         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2023
2024         * plugin.c (add_new_plugin): Updated comment, and handle short
2025         plugin name.
2026         (default_plugin_dir_name): Added new function.
2027
2028         * common.opt (iplugindir): New option to set the plugin directory.
2029
2030 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2031
2032         * config/i386/i386.md (any_rotate): New code iterator.
2033         (rotate_insn): New code attribute.
2034         (rotate): Ditto.
2035         (SWIM124): New mode iterator.
2036         (<rotate_insn>ti3): New expander.
2037         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2038         any_rotate code iterator.
2039         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2040         using any_rotate code iterator and SWIM124 mode iterator.
2041         (ix86_rotlti3): New insn_and_split pattern.
2042         (ix86_rotrti3): Ditto.
2043         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2044         ix86_rotl{di,ti}3 patterns.
2045         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2046         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2047         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2048         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2049         code iterator and SWI mode iterator.
2050         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2051         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2052         code iterator.
2053         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2054         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2055         (bswap rotatert splitter): Add splitter.
2056         (bswap splitter): Macroize splitter using any_rotate code iterator.
2057         Add insn predicate to split only for TARGET_USE_XCHGB or when
2058         optimizing function for size.
2059
2060 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2061
2062         * config/pa/pa.c (emit_move_sequence): Remove use of
2063         deleted variable flag_argument_noalias.
2064
2065 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2066
2067         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2068         configurations.
2069         Add to unsupported targets list.
2070         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2071         sparc*-sun-solaris2.[567]* from target lists.
2072         * configure: Regenerate.
2073         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2074         removal.
2075         Remove Solaris 7 patch references.
2076         (Specific, sparc-sun-solaris2.7): Removed.
2077         (sparc-sun-solaris2*): Update Solaris 7 example.
2078         (sparc64-*-solaris2*): Likewise.
2079
2080 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2081
2082         * config.build (alpha*-dec-osf4*): Remove.
2083         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2084         of obsolete configurations.
2085         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2086         support.
2087         * config/alpha/t-osf4: Renamed to ...
2088         * config/alpha/t-osf5: ... this.
2089         * config/alpha/osf.h: Renamed to ...
2090         * config/alpha/osf5.h: ... this.
2091         Merged old osf5.h contents.
2092         Update comments.
2093         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2094         (EXTRA_SPECS): Removed.
2095         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2096         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2097         Document that.
2098
2099 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2100
2101         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2102
2103 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2104
2105         PR/43702
2106         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2107         __thiscall convention.
2108
2109 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2110
2111         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2112         orig_base.
2113         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2114
2115 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2116
2117         * function.c (assign_parms_initialize_all): Add unused attribute
2118         to fntype.
2119
2120 2010-04-12  Richard Guenther  <rguenther@suse.de>
2121
2122         * gsstruct.def (GSS_CALL): New.
2123         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2124         * gimple.h: Include tree-ssa-alias.h.
2125         (struct gimple_statement_call): New.
2126         (union gimple_statement_struct_d): Add gimple_call member.
2127         (gimple_call_reset_alias_info): Declare.
2128         (gimple_call_use_set): New function.
2129         (gimple_call_clobber_set): Likewise.
2130         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2131         * gimple.c (gimple_call_reset_alias_info): New function.
2132         (gimple_build_call_1): Call it.
2133         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2134         * tree-inline.c (remap_gimple_stmt): Likewise.
2135         (expand_call_inline): Remove callused handling.
2136         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2137         * tree-dfa.c (dump_variable): Likewise.
2138         * tree-parloops.c (parallelize_loops): Likewise.
2139         * tree-ssa.c (init_tree_ssa): Likewise.
2140         (delete_tree_ssa): Likewise.
2141         * tree-flow-inline.h (is_call_used): Remove.
2142         * tree-flow.h (struct gimple_df): Remove callused member.
2143         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2144         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2145         (ref_maybe_used_by_call_p_1): Simplify.
2146         (call_may_clobber_ref_p_1): Likewise.
2147         * tree-ssa-structalias.c (compute_points_to_sets): Set
2148         the call stmt used and clobbered sets.
2149         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2150         (find_tail_calls): Verify the tail call.
2151
2152 2010-04-12  Richard Guenther  <rguenther@suse.de>
2153
2154         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2155         single-iteration always-inline inlining.
2156         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2157         (cgraph_decide_inlining): Do not handle always-inline specially.
2158         (try_inline): Remove always-inline cycle detection special case.
2159         Do not recurse on always-inlines.
2160         (cgraph_early_inlining): Do not iterate if not optimizing.
2161         (cgraph_gate_early_inlining): remove.
2162         (pass_early_inline): Run unconditionally.
2163         (gate_cgraph_decide_inlining): New function.
2164         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2165         not inlining or optimizing.
2166         (cgraph_decide_inlining_of_small_functions): Also consider
2167         always-inline functions.
2168         (cgraph_default_inline_p): Return true for nodes which should
2169         disregard inline limits.
2170         (estimate_function_body_sizes): Assume zero size and time for
2171         nodes which are marked as disregarding inline limits.
2172         (cgraph_decide_recursive_inlining): Do not perform recursive
2173         inlining on always-inline nodes.
2174
2175 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2176
2177         PR bootstrap/43699
2178         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2179         for exprs satisfying handled_component_p.
2180
2181 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2182
2183         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2184         non-constant aggregate elements.
2185
2186         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2187         is a real initialization.
2188
2189 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2190
2191         PR c/36774
2192         * c-decl.c (start_function): Move forward check for nested function.
2193
2194 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2195
2196         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2197         * config/sh/sh.c: Include reload.h.
2198         (sh_legitimize_reload_address): New.
2199         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2200         sh_legitimize_reload_address.
2201
2202 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2203
2204         * config/sh/sh.md (*movqi_pop): New insn pattern.
2205         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2206
2207 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2208
2209         * config/i386/i386.md (any_shiftrt): New code iterator.
2210         (shiftrt_insn): New code attribute.
2211         (shiftrt): Ditto.
2212         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2213         using any_shiftrt code iterator.
2214         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2215         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2216         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2217         pattern from corresponding peephole2 patterns.
2218         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2219         using any_shiftrt code iterator.
2220         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2221         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2222         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2223         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2224         *{ashr,lshr}<mode>3_cmp_zext.
2225         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2226
2227 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2228
2229         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2230         scratch register.
2231         (*lshr<mode>3_cconly): Ditto.
2232
2233 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2234
2235         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2236         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2237         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2238         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2239         DWI mode iterator.
2240         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2241         from corresponding peephole2 patterns.
2242         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2243         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2244         and *lshrdi3_1_rex64 using SWI mode iterator.
2245         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2246         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2247         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2248         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2249         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2250         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2251         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2252         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2253         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2254         SWI mode iterator.
2255
2256 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2257
2258         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2259         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2260         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2261         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2262         DWI mode iterator.
2263         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2264         from corresponding peephole2 patterns.
2265         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2266         (ashrsi3_cvt): Rename from ashrsi3_31.
2267         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2268         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2269         and x86_64_shift_adj_3 using SWI48 mode iterator.
2270         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2271         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2272         and *ashrdi3_1_rex64 using SWI mode iterator.
2273         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2274         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2275         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2276         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2277         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2278         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2279         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2280         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2281         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2282         SWI mode iterator.
2283         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2284         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2285         x86_shift<mode>_adj_3 expanders.
2286
2287 2010-04-10  Wei Guozhi  <carrot@google.com>
2288
2289         PR target/42601
2290         * config/arm/arm.c (arm_pic_static_addr): New function.
2291         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2292         a static symbol.
2293         (arm_output_addr_const_extra): Output expression for new pattern.
2294         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2295
2296 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2297
2298         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2299         not enabled.
2300
2301         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2302         * web.c: Include "insn-config.h" and "recog.h".
2303         (union_match_dups): New function.
2304         (web_main): Call it.
2305         (union_defs): Don't try to recognize match_dups.
2306
2307         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2308         if doing so would replace the entire pattern.
2309
2310 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2311
2312         PR target/43707
2313         PR target/43709
2314         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2315         and splitter pattern.  Change splitter operand 1 predicate to
2316         nonmemory_operand.
2317
2318 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2319
2320         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2321         lattices are addresses of CONST_DECLs with the same initial value.
2322         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2323         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2324
2325 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2326             Bernd Schmidt  <bernds@codesourcery.com>
2327
2328         * loop-invariant.c (replace_uses): New static function.
2329         (move_invariant_reg): Use it to ensure we can replace the uses.
2330
2331 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2332
2333         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2334         function template.
2335         (picochip_override_options): Enable section anchors only above -O1.
2336         (picochip_reorg): Fixed a couple of build warnings.
2337
2338 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2339
2340         * configure.ac (plugin -rdynamic test): Log result.
2341         * configure: Regenerate.
2342         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2343         (RDYNAMIC_SPEC): Define.
2344         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2345
2346 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2347
2348         * configure.ac: Determine Sun ld version numbers.
2349         (comdat_group): Restrict GNU ld version checks to gld.
2350         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2351         (enable_comdat): Support --enable-comdat.
2352         * configure: Regenerate.
2353         * doc/install.texi (Configuration): Document --enable-comdat.
2354
2355 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2356
2357         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2358         * config/sol2-gld.h: ... here.
2359         * config.gcc (sparc*-*-solaris2*): Reflect this.
2360         (i[34567]86-*-solaris2*): Use it.
2361
2362 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2363
2364         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2365         setup_clocks_p.
2366         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2367
2368 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2369
2370         PR 42965
2371         * diagnostic.c (diagnostic_initialize): Initialize
2372         some_warnings_are_errors.
2373         (diagnostic_finish): New.
2374         (diagnostic_action_after_output): Call it before exiting.
2375         (diagnostic_report_diagnostic): Do not print message here. Set
2376         some_warnings_are_errors.
2377         * diagnostic.h (diagnostic_context): Delete
2378         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2379         (diagnostic_finish): Declare.
2380         * toplev.c (toplev_main): Call it before exit.
2381
2382 2010-04-09  Jason Merrill  <jason@redhat.com>
2383
2384         PR c++/42623
2385         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2386         for incomplete type.
2387
2388         PR c++/41788
2389         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2390         based on a warning flag.
2391
2392 2010-04-09  Richard Guenther  <rguenther@suse.de>
2393
2394         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2395
2396 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2397
2398         PR bootstrap/43684
2399         * varasm.c (default_assemble_visibility): Wrap vars that are
2400         set, but unused, by targets without GAS.
2401         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2402         Remove set, but unused, vars.
2403         (rs6000_legitimize_tls_address): Likewise.
2404         (altivec_expand_dst_builtin): Likewise.
2405         * config/darwin.c (machopic_classify_symbol): Likewise.
2406         (machopic_indirection_name): Likewise.
2407
2408 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2409
2410         * config/i386/i386.md (DWI): New mode iterator.
2411         (S): New mode attribute.
2412         (shift_operand): Ditto.
2413         (shift_immediate_operand): Ditto.
2414         (ashl_input_operand): Ditto.
2415         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2416         using SDWIM mode iterator.
2417         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2418         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2419         DWI mode iterator.
2420         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2421         from corresponding peephole2 patterns.
2422         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2423         and x86_64_shift_adj_1 using SWI48 mode iterator.
2424         (x86_shift<mode>_adj_2): Ditto.
2425         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2426         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2427         using SWI48 mode iterator.
2428         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2429         *ashldi3_cmp_rex64 using SWI mode iterator.
2430         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2431         *ashldi3_cconly_rex64 using SWI mode iterator.
2432         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2433         x86_shift<mode>_adj_{1,2}.
2434         (ix86_split_ashr): Ditto.
2435         (ix86_split_lshr): Ditto.
2436
2437 2010-04-09  Richard Guenther  <rguenther@suse.de>
2438
2439         * target.h (builtin_conversion): Pass in input and output types.
2440         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2441         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2442         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2443         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2444
2445         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2446         Handle AVX modes.
2447         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2448
2449 2010-04-09  Richard Guenther  <rguenther@suse.de>
2450
2451         PR target/43152
2452         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2453
2454 2010-04-09  Richard Guenther  <rguenther@suse.de>
2455
2456         * tree-vectorizer.h (struct _stmt_vec_info): Document
2457         that vectype is the type of the LHS.
2458         (supportable_widening_operation, supportable_narrowing_operation):
2459         Get both input and output vector types as arguments.
2460         (vect_is_simple_use_1): Declare.
2461         (get_same_sized_vectype): Likewise.
2462         * tree-vect-loop.c (vect_determine_vectorization_factor):
2463         Set STMT_VINFO_VECTYPE to the vector type of the def.
2464         (vectorizable_reduction): Adjust.
2465         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2466         Adjust.  Specify the output vector type.
2467         (vect_pattern_recog_1): Adjust.
2468         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2469         (vectorizable_call): Adjust.
2470         (vectorizable_conversion): Likewise.
2471         (vectorizable_operation): Likewise.
2472         (vectorizable_type_demotion): Likewise.
2473         (vectorizable_type_promotion): Likewise.
2474         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2475         the def.
2476         (vect_is_simple_use_1): New function.
2477         (supportable_widening_operation): Get both input and output
2478         vector types.
2479         (supportable_narrowing_operation): Likewise.
2480         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2481
2482 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2483
2484         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2485         __thiscall and _thiscall as predefined macros.
2486         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2487         thiscall attribute handling.
2488         (ix86_comp_type_attributes): Likewise.
2489         (ix86_function_regparm): Likewise.
2490         (ix86_return_pops_args): Likewise.
2491         (init_cumulative_args): Likewise.
2492         (find_drap_reg): Likewise.
2493         (ix86_static_chain): Likewise.
2494         (x86_this_parameter): Likewise.
2495         (x86_output_mi_thunk): Likewise.
2496         (ix86_attribute_table): Add description for thiscall attribute.
2497         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2498         * doc/extend.texi: Add documentation for thiscall.
2499
2500 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2501
2502         PR c++/28584
2503         * c.opt (Wint-to-pointer-cast): Available in C++.
2504         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2505
2506 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2507
2508         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2509         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2510         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2511         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2512         function type instead.  Reorder and simplify checks.
2513
2514         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2515
2516 2010-04-08  Jing Yu  <jingyu@google.com>
2517             Zdenek Dvorak  <ook@ucw.cz>
2518
2519         PR tree-optimization/42720
2520         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2521         loop unswitch conditions here from ...
2522         (tree_unswitch_single_loop): ... here.
2523
2524 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * tree-if-conv.c: Fix comments and simplify logic.
2527
2528 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2529
2530         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2531         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2532         (main_tree_if_conversion): Update call to tree_if_conversion.
2533
2534 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2535
2536         PR 42485
2537         * doc/invoke.texi (-b,-V): Delete.
2538         * doc/tm.texi: Do not mention -b.
2539         * gcc.c (display_help): Delete -b and -V.
2540         (process_command): Delete -b and -V.
2541         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2542
2543 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2544             Wolfgang Gellerich  <gellerich@de.ibm.com>
2545
2546         Implement target hook for loop unrolling
2547         * target.h (loop_unroll_adjust): Add a new target hook function.
2548         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2549         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2550         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2551         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2552         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2553         target hook.
2554         (decide_unroll_stupid): Likewise.
2555
2556 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2557
2558         PR target/43643
2559         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2560
2561 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2562
2563         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2564         (Specific, *-*-solaris2*): Likewise.
2565         Don't prefer Sun as over GNU as.
2566
2567 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2568
2569         * config/s390/s390.c (override_options): Adjust the z10
2570           defaults for max-unroll-times, max-completely-peeled-insns
2571           and max-completely-peel-times.
2572
2573 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2574
2575         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2576         instructions for z10.
2577         (s390_expand_setmem): Likewise.
2578         (s390_expand_cmpmem): Likewise.
2579
2580 2010-04-08  Richard Guenther  <rguenther@suse.de>
2581
2582         PR tree-optimization/43679
2583         * tree-ssa-pre.c (eliminate): Only propagate copies.
2584
2585 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2586
2587         PR bootstrap/43681
2588         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2589         set but not used variable warning.
2590
2591 2010-04-08  Wei Guozhi  <carrot@google.com>
2592
2593         PR target/41653
2594         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2595         (arm_size_rtx_costs): Call the new function when optimized for size.
2596
2597 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2598
2599         PR debug/43670
2600         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2601         op0 is not a MEM, just return NULL instead of assertion
2602         failure.
2603         (discover_nonconstant_array_refs): Don't walk debug stmts.
2604
2605 2010-04-08  Doug Kwan  <dougkwan@google.com>
2606
2607         * configure.ac: Recognize gold and do not use its version number
2608         to test ld features.
2609         * configure: Regenerate.
2610
2611 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2612
2613         PR middle-end/40815
2614         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2615         (negate_value): Move code to push elements to broken_up_substracts ...
2616         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2617         negative pair to plus_negates.
2618         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2619
2620 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2621
2622         * doc/install.texi (Configuration): Move description of
2623         --enable-lto, --with-libelf*, --enable-gold from Java section to
2624         general section.
2625
2626         * doc/generic.texi (Working with declarations)
2627         (Function Properties, C and C++ Trees): Fix typos.
2628         * doc/sourcebuild.texi (Top Level): Likewise.
2629
2630 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR c/18624
2633         * tree.h (DECL_READ_P): Define.
2634         (struct tree_decl_common): Add decl_read_flag.
2635         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2636         a set but not used warning.
2637         (merge_decls): Merge DECL_READ_P flag.
2638         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2639         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2640         * c-common.c (handle_used_attribute, handle_unused_attribute):
2641         Likewise.
2642         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2643         New prototypes.
2644         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2645         New functions.
2646         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2647         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2648         c_parser_binary_expression, c_parser_cast_expression,
2649         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2650         Call default_function_array_read_conversion instead of
2651         default_function_array_conversion where needed.
2652         (c_parser_unary_expression, c_parser_conditional_expression,
2653         c_parser_postfix_expression_after_primary, c_parser_initelt):
2654         Likewise.  Call mark_exp_read where needed.
2655         (c_parser_statement_after_labels, c_parser_asm_operands,
2656         c_parser_typeof_specifier, c_parser_sizeof_expression,
2657         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2658         where needed.
2659         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2660         New.
2661         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2662         (warn_unused_but_set_parameter): Default to warn_unused
2663         && extra_warnings.
2664         * doc/invoke.texi: Document -Wunused-but-set-variable and
2665         -Wunused-but-set-parameter.
2666
2667         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2668         used count variable.
2669         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2670         when operandN variables aren't used in the body of the expander
2671         or splitter.
2672         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2673         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2674         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2675         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2676         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2677         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2678         * tree.c (PROCESS_ARG): Likewise.
2679
2680 2010-04-07  Simon Baldwin  <simonb@google.com>
2681
2682         * diagnostic.h (diagnostic_override_option_index): New macro to
2683         set a diagnostic's option_index.
2684         * c-tree.h (c_cpp_error): Add warning reason argument.
2685         * opts.c (_warning_as_error_callback): New.
2686         (register_warning_as_error_callback): Store callback for
2687         warnings enabled via enable_warning_as_error.
2688         (enable_warning_as_error): Call callback, minor code tidy.
2689         * opts.h (register_warning_as_error_callback): Declare.
2690         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2691         response to -Werror=.
2692         (c_common_init_options): Register warning_as_error_callback in opts.c.
2693         * common.opt: Add -Wno-cpp option.
2694         * c-common.c (struct reason_option_codes_t): Map cpp warning
2695         reason codes to gcc option indexes.
2696         * (c_option_controlling_cpp_error): New function, lookup the gcc
2697         option index for a cpp warning reason code.
2698         * (c_cpp_error): Add warning reason argument, call
2699         c_option_controlling_cpp_error for diagnostic_override_option_index.
2700         * doc/invoke.texi: Document -Wno-cpp.
2701
2702 2010-04-07  Richard Guenther  <rguenther@suse.de>
2703
2704         * ipa-reference.c (mark_load): Use get_base_address.
2705         (mark_store): Likewise.
2706
2707         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2708         inserting GIMPLE_NOPs into the IL.
2709         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2710         Explicitly strip handled components and indirect references.
2711
2712         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2713         folding address expressions.
2714         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2715         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2716         operand_equal_p to compare decls.
2717         (ptr_deref_may_alias_decl_p): Likewise.
2718         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2719         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2720         Handle reversed comparison ops.
2721         * tree-sra.c (asm_visit_addr): Use get_base_address.
2722         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2723         * ipa-reference.c (mark_address): Use get_base_address.
2724
2725 2010-04-07  Richard Guenther  <rguenther@suse.de>
2726
2727         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2728         Propagate constants everywhere.
2729
2730 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2731
2732         PR debug/43516
2733         * tree.c (MAX_INT_CACHED_PREC): Define.
2734         (nonstandard_integer_type_cache): New array.
2735         (build_nonstandard_integer_type): Cache results for precision
2736         <= MAX_INT_CACHED_PREC.
2737
2738 2010-04-07  Richard Guenther  <rguenther@suse.de>
2739
2740         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2741         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2742         * common.opt: Likewise.
2743         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2744         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2745         (nonoverlapping_memrefs_p): Likewise.
2746         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2747         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2748         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2749         OPT_fargument_noalias_global for backward compatibility.
2750
2751 2010-04-07  Richard Guenther  <rguenther@suse.de>
2752
2753         PR tree-optimization/43270
2754         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2755         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2756         * tree-ssa-pre.c (phi_translate_1): Adjust.
2757         (fully_constant_expression): Split out vn_reference handling to ...
2758         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2759         Fold reads from constant strings.
2760         (vn_reference_lookup): Handle fully constant references.
2761         (vn_reference_lookup_pieces): Likewise.
2762         * Makefile.in (expmed.o-warn): Add -Wno-error.
2763
2764 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2765
2766         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2767
2768 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2769
2770         PR driver/41594
2771         * gcc.c: Add -static-libstdc++ to list of recognized options.
2772
2773 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2774
2775         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2776
2777 2010-04-07  Richard Guenther  <rguenther@suse.de>
2778
2779         PR middle-end/42617
2780         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2781         bases build simple mem attributes to retain points-to information.
2782
2783 2010-04-07  Richard Guenther  <rguenther@suse.de>
2784
2785         PR middle-end/42617
2786         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2787         preserve points-to related information.
2788
2789 2010-04-07  Richard Guenther  <rguenther@suse.de>
2790
2791         PR middle-end/42617
2792         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2793         discard plain indirect references.
2794         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2795         * tree.c (tree_nop_conversion): Likewise.
2796
2797 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2798
2799         PR debug/43628
2800         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2801
2802 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2803
2804         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2805         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2806
2807 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2808
2809         * tree-if-conv.c: Fix indentation and comments.
2810
2811 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         * tree-if-conv.c: Sort static functions in topological order.
2814
2815 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * tree-if-conv.c: Fix indentation and comments.
2818
2819 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2820
2821         PR middle-end/43519
2822         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2823         lang_hooks.types.type_for_size instead of
2824         build_nonstandard_integer_type.
2825         When converting an unsigned type to signed, double its precision.
2826         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2827         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2828         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2829         use lb <= ub.
2830
2831 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2832
2833         PR middle-end/43519
2834         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2835         POINTER_PLUS_EXPR for pointer types.
2836
2837 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2838
2839         PR middle-end/43519
2840         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2841         * graphite-clast-to-gimple.c: Include langhooks.h.
2842         (max_signed_precision_type): New.
2843         (max_precision_type): Takes two types as arguments.
2844         (precision_for_value): New.
2845         (precision_for_interval): New.
2846         (gcc_type_for_interval): New.
2847         (gcc_type_for_value): New.
2848         (gcc_type_for_clast_term): New.
2849         (gcc_type_for_clast_red): New.
2850         (gcc_type_for_clast_bin): New.
2851         (gcc_type_for_clast_expr): Split up into several functions.
2852         (gcc_type_for_clast_eq): Rewritten.
2853         (compute_bounds_for_level): New.
2854         (compute_type_for_level_1): New.
2855         (compute_type_for_level): New.
2856         (gcc_type_for_cloog_iv): Removed.
2857         (gcc_type_for_iv_of_clast_loop): Rewritten.
2858         (graphite_create_new_loop): Compute the lower and upper bound types
2859         with gcc_type_for_clast_expr.
2860         (graphite_create_new_loop_guard): Same.
2861         (find_cloog_iv_in_expr): Removed.
2862         (compute_cloog_iv_types_1): Removed.
2863         (compute_cloog_iv_types): Removed.
2864         (gloog): Do not call compute_cloog_iv_types.
2865         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2866         GBB_CLOOG_IV_TYPES.
2867         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2868         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2869         (GBB_CLOOG_IV_TYPES): Removed.
2870
2871 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2872
2873         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2874         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2875         (detect_commutative_reduction): Same.
2876
2877 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2878
2879         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2880         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2881         argument.
2882         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2883         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2884         (rewrite_commutative_reductions_out_of_ssa): Same.
2885         * passes.c (execute_function_todo): Call verify_ssa for every pass
2886         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2887         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2888         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2889         with an extra argument.
2890         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2891         verify_ssa only when the extra argument is true.
2892         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2893         with an extra argument.
2894         (tree_transform_and_unroll_loop): Same.
2895
2896 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2897
2898         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2899         for all the passes of the LNO having LOOP_CLOSED_SSA.
2900         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2901         * tree-loop-distribution.c (pass_loop_distribution): Same.
2902         * tree-pass.h (TODO_verify_loops): Removed.
2903         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2904         (pass_lim): Same.
2905         (pass_tree_unswitch): Same.
2906         (pass_predcom): Same.
2907         (pass_vectorize): Same.
2908         (pass_linear_transform): Same.
2909         (pass_graphite_transforms): Same.
2910         (pass_iv_canon): Same.
2911         (pass_complete_unroll): Same.
2912         (pass_complete_unrolli): Same.
2913         (pass_parallelize_loops): Same.
2914         (pass_loop_prefetch): Same.
2915         (pass_iv_optimize): Same.
2916
2917 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2918
2919         PR middle-end/32824
2920         * passes.c (init_optimization_passes): Move pass_lim before
2921         pass_copy_prop and pass_dce_loop.
2922
2923 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2924
2925         PR target/43667
2926         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2927         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2928         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2929         MULTI_* defines for 4 argument vpermil2p* builtins.
2930
2931 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2932
2933         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2934         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2935         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2936         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2937         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2938         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2939         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2940         Use x86_maybe_negate_const_int to output insn mnemonic.
2941         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2942         check from instruction predicate.  Update comments.
2943         * config/i386/sync.md (sync_add<mode>): Use
2944         x86_maybe_negate_const_int to output insn mnemonic.
2945
2946 2010-04-06  Jan Hubicka  <jh@suse.cz>
2947
2948         PR tree-optimization/42906
2949         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2950         IGNORE_SELF argument.  Set visited_control_parents for fully
2951         processed BBs.
2952         (find_obviously_necessary_stmts): Update call of
2953         mark_control_dependent_edges_necessary.
2954         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2955
2956 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2957
2958         * config/i386/i386.md: Remove comment about 'e' and 'E'
2959         operand modifier.
2960
2961 2010-04-06  Richard Guenther  <rguenther@suse.de>
2962
2963         PR tree-optimization/43627
2964         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2965         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2966         not varying.
2967
2968 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2969
2970         * BASE-VER: Change to 4.6.0.
2971
2972         PR target/43638
2973         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2974         handling.
2975
2976 2010-04-06  Richard Guenther  <rguenther@suse.de>
2977
2978         PR middle-end/43661
2979         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2980
2981 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2982
2983         * doc/invoke.texi (Optimize Options): Document that LTO
2984         won't remove object access purely due to incompatible
2985         declarations.
2986
2987 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2988
2989         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2990         Initialize variable.
2991
2992 2010-04-03  Richard Guenther  <rguenther@suse.de>
2993
2994         PR middle-end/42509
2995         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2996         require a non-NULL MEM_OFFSET.
2997
2998 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2999
3000         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3001         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3002         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3003         config/alpha/predicates.md, config/arm/arm.md,
3004         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3005         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3006         config/darwin9.h, config/darwin.c, config/darwin.h,
3007         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3008         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3009         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3010         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3011         config/mips/mips.md, config/mn10300/mn10300.c,
3012         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3013         config/rs6000/aix.h, config/rs6000/dfp.md,
3014         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3015         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3016         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3017         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3018         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3019         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3020         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3021         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3022         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3023         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3024         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3025         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3026         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3027         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3028         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3029         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3030         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3031         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3032         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3033         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3034         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3035         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3036         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3037         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3038         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3039         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3040         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3041         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3042         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3043         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3044         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3045         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3046         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3047         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3048         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3049         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3050
3051 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3052
3053         PR other/43620
3054         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3055         * aclocal.m4: Regenerate.
3056
3057 2010-04-02  Richard Guenther  <rguenther@suse.de>
3058
3059         PR tree-optimization/43629
3060         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3061         if we have seen a constant value.
3062
3063 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3064
3065         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3066
3067 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3068
3069         PR target/43469
3070         * arm.c (legitimize_tls_address): Adjust call to
3071         gen_tls_load_dot_plus_four.
3072         (arm_note_pic_base): New function.
3073         (arm_cannot_copy_insn_p): Use it.
3074         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3075         constraint.
3076
3077 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3078
3079         PR bootstrap/43531
3080
3081         Revert:
3082         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3083
3084         * Makefile.in ($(out_object_file)): Depend on
3085         gt-$(basename $(notdir $(out_file))).h.
3086
3087 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3088
3089         * config.gcc (lm32-*-rtems*): Add t-lm32.
3090
3091 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3092
3093         * config.gcc: Add lm32-*-rtems*.
3094         * config/lm32/rtems.h: New file.
3095
3096 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3097
3098         PR target/42609
3099         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3100
3101 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3102
3103         * dwarf2out.c (output_compilation_unit_header): For
3104         -gdwarf-4 use version 4 instead of version 3.
3105         (output_line_info): For version 4 and above emit additional
3106         maximum ops per insn header field.
3107         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3108
3109         * dwarf2out.c (is_c_family, is_java): Remove.
3110         (lower_bound_default): New function.
3111         (add_bound_info, gen_descr_array_type_die): Use it.
3112
3113 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3114
3115         PR debug/43325
3116         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3117         re-declaration when it happens in a function.
3118
3119 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3120
3121         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3122         (cgraph_remove_function_insertion_hook): Same.
3123         (cgraph_call_function_insertion_hooks): Same.
3124
3125 2010-04-01  Richard Guenther  <rguenther@suse.de>
3126
3127         PR middle-end/43614
3128         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3129         and TREE_THIS_VOLATILE.
3130         (copy_ref_info): Likewise.
3131         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3132         * tree.c (build6_stat): Ignore side-effects of all but arg5
3133         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3134         TARGET_MEM_REF.
3135
3136 2010-04-01  Richard Guenther  <rguenther@suse.de>
3137
3138         PR tree-optimization/43607
3139         * ipa-type-escape.c (check_call): Do not access non-existing
3140         arguments.
3141
3142 2010-04-01  Richard Guenther  <rguenther@suse.de>
3143
3144         PR middle-end/43602
3145         Revert
3146         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3147                     Jack Howarth <howarth@bromo.med.uc.edu>
3148
3149         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3150         variables TLS.
3151
3152 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3153
3154         * doc/install.texi (Prerequisites): Document libelf usability on
3155         IRIX 5/6 and Solaris 2.
3156         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3157         Update GNU as, GNU ld requirements.
3158         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3159         Document Sun Studio compiler download.
3160         Update and simplify as, ld recommendations.
3161         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3162
3163 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3164
3165         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3166         with_tune_32 to pentium4.
3167
3168 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3169
3170         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3171
3172 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3173
3174         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3175         obsoletion, removal.
3176         Update IDO URL.
3177         Document GNU as requirement.
3178         Update configure requirements.
3179         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3180         Recomment IRIX 6.5.18+.
3181         Document IDF/IDL requirement.
3182         Document GNU as requirement.
3183         Document GNU ld bootstrap failure.
3184         Remove freeware.sgi.com reference.
3185
3186 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3187
3188         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3189         UNIX V4.0, V5.0 obsoletion, removal.
3190         Remove --with-gc=simple reference.
3191         Update VM requirements during bootstrap.
3192         Remove -oldas bootstrap description.
3193         Update binutils reference.
3194         Remove comparison failure note.
3195
3196 2010-03-31  Richard Guenther  <rguenther@suse.de>
3197             Zdenek Dvorak  <ook@ucw.cz>
3198             Sebastian Pop  <sebastian.pop@amd.com>
3199
3200         PR middle-end/43464
3201         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3202         with multiple arguments.
3203         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3204
3205 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3206
3207         * graphite-dependences.c (print_pddr): Call print_pdr with an
3208         extra argument.
3209         * graphite-poly.c (debug_pdr): Add an extra argument for the
3210         verbosity level.
3211         (print_pdr): Same.
3212         (print_pbb_domain): Same.
3213         (print_pbb): Same.
3214         (print_scop_context): Same.
3215         (print_scop): Same.
3216         (print_cloog): Same.
3217         (debug_pbb_domain): Same.
3218         (debug_pbb): Same.
3219         (print_pdrs): Same.
3220         (debug_pdrs): Same.
3221         (debug_scop_context): Same.
3222         (debug_scop): Same.
3223         (debug_cloog): Same.
3224         (print_scop_params): Same.
3225         (debug_scop_params): Same.
3226         (print_iteration_domain): Same.
3227         (print_iteration_domains): Same.
3228         (debug_iteration_domain): Same.
3229         (debug_iteration_domains): Same.
3230         (print_scattering_function): Same.
3231         (print_scattering_functions): Same.
3232         (debug_scattering_function): Same.
3233         (debug_scattering_functions): Same.
3234         * graphite-poly.h (debug_pdr): Update declaration.
3235         (print_pdr): Same.
3236         (print_pbb_domain): Same.
3237         (print_pbb): Same.
3238         (print_scop_context): Same.
3239         (print_scop): Same.
3240         (print_cloog): Same.
3241         (debug_pbb_domain): Same.
3242         (debug_pbb): Same.
3243         (print_pdrs): Same.
3244         (debug_pdrs): Same.
3245         (debug_scop_context): Same.
3246         (debug_scop): Same.
3247         (debug_cloog): Same.
3248         (print_scop_params): Same.
3249         (debug_scop_params): Same.
3250         (print_iteration_domain): Same.
3251         (print_iteration_domains): Same.
3252         (debug_iteration_domain): Same.
3253         (debug_iteration_domains): Same.
3254         (print_scattering_function): Same.
3255         (print_scattering_functions): Same.
3256         (debug_scattering_function): Same.
3257         (debug_scattering_functions): Same.
3258
3259 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3260
3261         * graphite-poly.c (print_scattering_function_1): New.
3262         (print_scattering_function): Call it.
3263         (print_scop_params): Remove spaces at the end of lines.
3264         (print_cloog): New.
3265         (debug_cloog): New.
3266         * graphite-poly.h (print_cloog): Declared.
3267         (debug_cloog): Declared.
3268
3269 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3270
3271         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3272         in loop->header.
3273         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3274         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3275         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3276         to switch between adding the IV bump in loop->latch or in loop->header.
3277
3278 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3279
3280         * graphite-poly.c (print_scattering_function): Pretty print following
3281         the scoplib format.
3282         (print_pdr): Same.
3283         (print_pbb_domain): Same.
3284         (dump_gbb_cases): Same.
3285         (dump_gbb_conditions): Same.
3286         (print_pdrs): Same.
3287         (print_pbb): Same.
3288         (print_scop_params): Same.
3289         (print_scop_context): Same.
3290         (print_scop): Same.
3291         (print_pbb_body): New.
3292         (lst_indent_to): New.
3293         (print_lst): Start new lines with a #.
3294         * graphite-poly.h (pbb_bb): New.
3295         (pbb_index): Use pbb_bb.
3296         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3297         disjuncts.
3298         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3299
3300 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3301
3302         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3303         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3304         and 0 instead of 1 for dw_val_class_flag.
3305         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3306         dw_val_class_range_list, dw_val_class_loc_list,
3307         dw_val_class_lineptr and dw_val_class_macptr, use
3308         DW_FORM_flag_present for dw_val_class_flag and
3309         DW_FORM_exprloc for dw_val_class_loc.
3310         (output_die): For -gdwarf-4 print dw_val_class_loc
3311         size as uleb128 instead of 1 or 2 bytes and don't print
3312         anything for dw_val_class_flag.
3313
3314         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3315         instead of cselib_lookup following by tweaking locs->setting_insn.
3316
3317         PR bootstrap/43596
3318         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3319         even before returning from label, setjmp call or volatile asm
3320         handling.
3321
3322 2010-03-31  Richard Guenther  <rguenther@suse.de>
3323
3324         PR middle-end/43600
3325         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3326         temporary data on stack.
3327
3328 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3329
3330         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3331         (PUSHSECTION_ASM_OP): Remove.
3332         (POPSECTION_ASM_OP): Remove.
3333         (PUSHSECTION_FORMAT): Remove.
3334         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3335         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3336         * config/sol2.c (solaris_output_init_fini): Use it.
3337
3338 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3339
3340         PR 43574
3341         * opt-functions.awk (var_type_struct): Use signed char type
3342         for simple variables.
3343
3344 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3345
3346         * config/sol2.c: Include output.h.
3347         (solaris_assemble_visibility): New function.
3348         * config/t-sol2 (sol2.o): Add output.h dependency.
3349         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3350         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3351         Redefine.
3352
3353 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3354
3355         PR target/43580
3356         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3357         V2SImode or XFmode on PRE_DEC.
3358
3359         PR debug/43557
3360         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3361         BLKmode.
3362
3363 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3364
3365         PR 43562
3366         * reload.h (caller_save_initialized_p): Declare.
3367         * toplev.c (backend_init_target): Don't call
3368         init_caller_save but set caller_save_initialized_p to false.
3369         * caller-save.c (caller_save_initialized_p): Define.
3370         (init_caller_save): Check caller_save_initialized_p.
3371         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3372
3373 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3374
3375         PR target/39048
3376         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3377         and soft-fp/t-softfp to tmake_file.
3378         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3379         (LIBGCC2_TF_CEXT): Define.
3380         (TF_SIZE): Define.
3381
3382 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3383
3384         PR debug/42977
3385         * cselib.c (n_useless_values): Document handling of debug locs.
3386         (n_useless_debug_values, n_debug_values): New variables.
3387         (new_elt_loc_list): Don't add to debug values, keep count.
3388         (promote_debug_loc): New.
3389         (cselib_reset_table): Zero new variables.
3390         (entry_and_rtx_equal_p): Promote debug locs.
3391         (discard_useless_locs): Increment n_useless_debug_values for
3392         debug values.
3393         (remove_useless_values): Adjust n_useless_values and n_debug_values
3394         with n_useless_debug_values.
3395         (add_mem_for_addr): Promote debug locs.
3396         (cselib_lookup_mem): Likewise.
3397         (cselib_lookup_addr): Renamed to...
3398         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3399         (cselib_log_lookup): ... this.  Turn into...
3400         (cselib_lookup_addr): ... new wrapper.
3401         (cselib_lookup_from_insn): New.
3402         (cselib_invalidate_regno): Increment n_useless_debug_values for
3403         debug values.
3404         (cselib_invalidate_mem): Likewise.
3405         (cselib_process_insn): Take n_deleted and n_debug_values into
3406         account to guard remove_useless_value call.
3407         (cselib_finish): Zero n_useless_debug_values.
3408         * cselib.h (cselib_lookup_from_insn): Declare.
3409         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3410         (sched_analyze_2): Likewise.
3411
3412 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3413
3414         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3415         functions.
3416         (adjust_mems): Replace narrowing SUBREG of expression containing
3417         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3418         with operations in the narrower mode.
3419
3420         PR debug/43593
3421         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3422         regs_invalidated_by_call instead all call_used_reg_set registers.
3423
3424 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3425
3426         PR middle-end/43430
3427         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type