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2010-04-30 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-30  Richard Guenther  <rguenther@suse.de>
2
3         * builtins.c (fold_builtin_1): Delete free (0).
4
5 2010-04-29  Jan HUbicka  <jh@suse.cz>
6
7         * gengtype.c (open_base_files): Add lto-streamer.h
8         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
9         (pass_ipa_cp): GGC collect.
10         * toplev. (compile_file): Do not output symbols.
11         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
12         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
13         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
14         * lto-section-in.c: Include ggc.h
15         (lto_new_in_decl_state): Alloc in GGC.
16         (lto_delete_in_decl_state): Likewise.
17         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
18
19 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
20
21         PR target/42895
22         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
23         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
24         (HONOR_REG_ALLOC_ORDER): Describe new macro.
25         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
26         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
27         account only if HONOR_REG_ALLOC_ORDER is not defined.
28         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
29         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
30         
31 2010-04-29  Jon Grant <04@jguk.org>
32         
33         * collect2.c (vflag): Change type from int to bool.
34         (debug): Likewise.
35         (helpflag): New global bool.
36         (main): Set vflag and debug with boolean, not integer truth
37         values.  Accept new "--help" option and output usage text if
38         found.
39         * collect2.h (vflag): Update prototype.
40         (debug): Likewise.
41         
42 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
43
44         PR bootstrap/43936
45         * plugin.h (flag_plugin_added): Moved out of
46         invoke_plugin_callbacks.
47
48 2010-04-29  Richard Guenther  <rguenther@suse.de>
49
50         PR bootstrap/43935
51         * plugin.h (invoke_plugin_callbacks): Annotate arguments
52         with ATTRIBUTE_UNUSED.
53
54 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
55
56         PR target/43921
57         * config/i386/i386.c (get_some_local_dynamic_name): Replace
58         INSN_P with NONDEBUG_INSN_P.
59         (distance_non_agu_define): Likewise.
60         (distance_agu_use): Likewise.
61
62 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
63
64         From Dominique d'Humieres <dominiq@lps.ens.fr>
65         PR bootstrap/43858
66         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
67         test_set.
68
69 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
70
71         * plugin.h (invoke_plugin_callbacks): New inline function.
72         * plugin.c (flag_plugin_added): New global flag.
73         (add_new_plugin): Initialize above flag.
74         (invoke_plugin_callbacks): Rename to ...
75         (invoke_plugin_callbacks_full): ... this.
76
77 2010-04-28  Jan Hubicka  <jh@suse.cz>
78
79         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
80         (lto_varpool_replace_node): New.
81         (lto_symtab_resolve_symbols): Resolve varpool nodes.
82         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
83         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
84         * cgraph.h (varpool_node_ptr): New type.
85         (varpool_node_ptr): New vector.
86         (varpool_node_set_def): New structure.
87         (varpool_node_set): New type.
88         (varpool_node_set): New vector.
89         (varpool_node_set_element_def): New structure.
90         (varpool_node_set_element, const_varpool_node_set_element): New types.
91         (varpool_node_set_iterator): New type.
92         (varpool_node): Add prev pointers, add used_from_other_partition,
93         in_other_partition.
94         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
95         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
96         varpool_get_node, varpool_remove_node): Declare.
97         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
98         varpool_node_set_size): New inlines.
99         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
100         * tree-pass.h (varpool_node_set_def): Forward declare.
101         (ipa_opt_pass_d): Summary writting takes vnode sets too.
102         (ipa_write_optimization_summaries): Update prototype.
103         * ipa-cp.c (ipcp_write_summary): Update.
104         * ipa-reference.c (ipa_reference_write_summary): Update.
105         * lto-cgraph.c (lto_output_varpool_node): New static function.
106         (output_varpool): New function.
107         (input_varpool_node): New static function.
108         (input_varpool_1): New function.
109         (input_cgraph): Input varpool.
110         * ipa-pure-const.c (pure_const_write_summary): Update.
111         * lto-streamer-out.c (lto_output): Update, output varpool too.
112         (write_global_stream): Kill WPA hack.
113         (produce_asm_for_decls): Update.
114         (output_alias_pair_p): Handle variables.
115         (output_unreferenced_globals): Output only needed partition of varpool.
116         * ipa-inline.c (inline_write_summary): Update.
117         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
118         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
119         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
120         varpool_node_set_new, varpool_node_set_add,
121         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
122         debug_varpool_node_set): New functions.
123         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
124         (execute_one_pass): Process new decls too.
125         (ipa_write_summaries_2): Pass around vsets.
126         (ipa_write_summaries_1): Likewise.
127         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
128         to add.
129         (ipa_write_optimization_summaries_1): Pass around vsets.
130         (ipa_write_optimization_summaries): Likewise.
131         * varpool.c (varpool_get_node): New.
132         (varpool_node): Update doubly linked lists.
133         (varpool_remove_node): New.
134         (dump_varpool_node): More dumping.
135         (varpool_enqueue_needed_node): Update doubly linked lists.
136         (decide_is_variable_needed): Kill ltrans hack.
137         (varpool_finalize_decl): Kill lto hack.
138         (varpool_assemble_decl): Skip decls in other partitions.
139         (varpool_assemble_pending_decls): Update doubly linkes lists.
140         (varpool_empty_needed_queue): Likewise.
141         (varpool_extra_name_alias): Likewise.
142         * lto-streamer.c (lto_get_section_name): Add vars section.
143         * lto-streamer.h (lto_section_type): Update.
144         (output_varpool, input_varpool): Declare.
145
146 2010-04-28  Mike Stump  <mikestump@comcast.net>
147
148         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
149
150 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
151
152         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
153         record or union type with RECORD_OR_UNION_TYPE_P predicate.
154         (lto_input_ts_type_tree_pointers): Likewise.
155         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
156         (lto_output_ts_type_tree_pointers): Likewise.
157
158 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
159
160         Uniquization of constants at the Tree level
161         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
162         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
163         bit to the end.
164         (tree_output_constant_def): Declare.
165         * gimplify.c (gimplify_init_constructor): When using block copy, first
166         uniquize the constant constructor on the RHS.
167         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
168         DECL_IN_CONSTANT_POOL flag.
169         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
170         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
171         constant pool.
172         (assemble_variable): Deal with symbols belonging to the tree constant
173         pool.
174         (get_constant_section): Add ALIGN parameter and simplify.
175         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
176         (assemble_constant_contents): Use the expression of the VAR_DECL.
177         (output_constant_def_contents): Use the alignment of the VAR_DECL.
178         (tree_output_constant_def): New global function.
179         (mark_constant): Use the expression of the VAR_DECL.
180         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
181         its expression.
182         (output_object_block): Likewise and assemble the expression.
183
184 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
185
186         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
187         hash_tree, eq_tree): New tree hash table.
188         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
189         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
190         lto_orig_address_remove): Reimplement.
191
192 2010-04-28  Xinliang David Li  <davidxl@google.com>
193
194         PR c/42643
195         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
196         (compute_uninit_opnds_pos): New function.
197         (is_non_loop_exit_postdominating): New function.
198         (compute_control_dep_chain): New function.
199         (find_pdom): New function.
200         (convert_control_dep_chain_into_preds): New function.
201         (find_predicates): New function.
202         (find_control_equiv_block): New function.
203         (collect_phi_def_edges): New function.
204         (find_def_preds): New function.
205         (find_dom): New function.
206         (dump_predicates): New function.
207         (get_cmp_code): New function.
208         (is_value_included_in): New function.
209         (find_matching_predicate_in_rest_chains): New function.
210         (use_pred_not_overlap_with_undef_path_pred): New function.
211         (is_use_properly_guarded): New function.
212         (normalize_cond_1): New function.
213         (is_and_or_or): New function.
214         (normalize_cond): New function.
215         (is_gcond_subset_of): New function.
216         (is_subset_of_any): New function.
217         (is_or_set_subset_of): New function.
218         (is_and_set_subset_of): New function.
219         (is_norm_cond_subset_of): New function.
220         (is_pred_expr_subset_of): New function.
221         (is_pred_chain_subset_of): New function.
222         (is_included_in): New function.
223         (is_superset_of): New function.
224         (find_uninit_use): New function.
225         (warn_uninitialized_phi): New function.
226         (compute_possibly_undefined_names): New function.
227         (ssa_undefined_value_p): New function.
228         (execute_late_warn_uninitialized): New function.
229         * tree-ssa.c (ssa_undefined_value_p): Removed.
230         (warn_uninit): Changed to extern.
231         (warn_uninitialized_phi): Removed.
232         (warn_uninitialized_vars): Changed to extern.
233         (execute_late_warn_uninitialized): Removed
234         * tree-flow.h: Add new prototypes.
235         * timevar.def: Add new time variable.
236         * Makefile.in: Add new build file.
237
238 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
239
240         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
241         type if available.
242
243 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
244
245         PR target/22224
246         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
247
248 2010-04-28  Martin Jambor  <mjambor@suse.cz>
249
250         * cgraph.h (struct cgraph_node): New field indirect_calls.
251         (struct cgraph_indirect_call_info): New type.
252         (struct cgraph_edge): Removed field indirect_call. New fields
253         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
254         (cgraph_create_indirect_edge): Declare.
255         (cgraph_make_edge_direct): Likewise.
256         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
257         * ipa-prop.h (struct ipa_param_call_note): Removed.
258         (struct ipa_node_params): Removed field param_calls.
259         (ipa_create_all_structures_for_iinln): Declare.
260         * cgraph.c: Described indirect edges and uids in initial comment.
261         (cgraph_add_edge_to_call_site_hash): New function.
262         (cgraph_edge): Search also among the indirect edges, use
263         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
264         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
265         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
266         site hash.
267         (initialize_inline_failed): Assign a reason to indirect edges.
268         (cgraph_create_edge_1): New function.
269         (cgraph_create_edge): Moved some functionality to
270         cgraph_create_edge_1.
271         (cgraph_create_indirect_edge): New function.
272         (cgraph_edge_remove_callee): Add an assert checking for
273         non-indirectness.
274         (cgraph_edge_remove_caller): Special-case indirect edges.
275         (cgraph_remove_edge): Likewise.
276         (cgraph_set_edge_callee): New function.
277         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
278         (cgraph_make_edge_direct): New function.
279         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
280         the declaration of the call statement matches.
281         (cgraph_node_remove_callees): Special-case indirect edges.
282         (cgraph_clone_edge): Likewise.
283         (cgraph_clone_node): Clone also the indirect edges.
284         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
285         indirect_call, dump count of indirect_calls edges.
286         * ipa-prop.c (iinlining_processed_edges): New variable.
287         (ipa_note_param_call): Create indirect edges instead of
288         creating notes.  New parameter node.
289         (ipa_analyze_call_uses): New parameter node, pass it on to
290         ipa_note_param_call.
291         (ipa_analyze_stmt_uses): Likewise.
292         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
293         (print_edge_addition_message): Work on edges rather than on notes.
294         (update_call_notes_after_inlining): Likewise, renamed to
295         update_indirect_edges_after_inlining.
296         (ipa_create_all_structures_for_iinln): New function.
297         (ipa_free_node_params_substructures): Do not free notes.
298         (ipa_edge_duplication_hook): Propagate bits within
299         iinlining_processed_edges bitmap.
300         (ipa_node_duplication_hook): Do not duplicate notes.
301         (free_all_ipa_structures_after_ipa_cp): Renamed to
302         ipa_free_all_structures_after_ipa_cp.
303         (free_all_ipa_structures_after_iinln): Renamed to
304         ipa_free_all_structures_after_iinln.g
305         (ipa_write_param_call_note): Removed.
306         (ipa_read_param_call_note): Removed.
307         (ipa_write_indirect_edge_info): New function.
308         (ipa_read_indirect_edge_info): Likewise.
309         (ipa_write_node_info): Do not stream notes, do stream information
310         in indirect edges.
311         (ipa_read_node_info): Likewise.
312         (lto_ipa_fixup_call_notes): Removed.
313         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
314         * ipa-inline.c (pass_ipa_inline): Likewise.
315         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
316         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
317         * tree-inline.c (copy_bb): Removed an unnecessary double check for
318         is_gimple_call.
319         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
320         edges.
321         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
322         (output_cgraph): Stream also indirect edges.
323         (lto_output_edge): Added capability to stream indirect edges.
324         (input_edge): Likewise.
325         (input_cgraph_1): Likewise.
326         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
327         of indirect edges.
328
329 2010-04-28  Richard Guenther  <rguenther@suse.de>
330
331         PR tree-optimization/43879
332         PR tree-optimization/43909
333         * tree-ssa-structalias.c (struct variable_info): Add
334         only_restrict_pointers flag.
335         (new_var_info): Initialize it.  Increment stats.total_vars here.
336         (create_function_info_for): Do not increment stats.total_vars
337         here.
338         (get_function_part_constraint): Fix build with C++.
339         (insert_into_field_list): Remove.
340         (push_fields_onto_fieldstack): Properly merge fields.
341         (create_variable_info_for): Split and simplify.
342         (create_variable_info_for_1): New piece.
343         (intra_create_variable_infos): Properly make restrict constraints
344         from parameters.
345
346 2010-04-28  Richard Guenther  <rguenther@suse.de>
347
348         PR c++/43880
349         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
350         value-exprs.
351
352 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
353             Jan Hubicka <hubicka@ucw.cz>
354
355         * doc/invoke.texi (-Wsuggest-attribute=const,
356         -Wsuggest-attribute=pure): Document.
357         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
358         (function_always_visible_to_compiler_p,
359         suggest_attribute, warn_function_pure, warn_function_const):
360         New functions.
361         (check_call): Improve debug info.
362         (analyze_function): Do not check availability.
363         (add_new_function): Check availability.
364         (propagate): Output warnings.
365         (skip_function_for_local_pure_const): New function.
366         (local_pure_const): Use it; output warnings.
367         * common.opt (Wsuggest-attribute=const,
368         Wsuggest-attribute=pure): New.
369
370 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
371
372         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
373         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
374         or DW_CFA_def_cfa_offset{,_sf}.
375
376 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
377
378         * tree.h: Fix truncated long macros.
379
380 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
381
382         * collect2.c (TARGET_64BIT): Redefine to target's default.
383         * tlink.c: Likewise.
384         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
385         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
386         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
387         for underscoring __USER_LABEL_PREFIX__.
388         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
389         (SUB_LINK_ENTRY32): New.
390         (SUB_LINK_ENTRY64): New.
391         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
392         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
393         (SUB_LINK_ENTRY64): New.
394         (SUB_LINK_ENTRY): New.
395         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
396         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
397         x64 target is choosen.
398         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
399         * configure: Regenerated.
400         * configure.ac (leading-mingw64-underscores): Option added.
401
402 2010-04-27  Jan Hubicka  <jh@suse.cz>
403
404         * doc/invoke.texi (-fipa-profile): Document.
405         * opts.c (decode_options): Enable ipa-profile at -O1.
406         * timevar.def (TV_IPA_PROFILE): Define.
407         * common.opt (fipa-profile): Add.
408         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
409         flag for clones.
410         (cgraph_propagate_frequency): Handle only local ones.
411         * tree-pass.h (pass_ipa_profile): Declare.
412         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
413         (pass_ipa_profile): Use TV_IPA_PROFILE.
414         * ipa.c (ipa_profile): New function.
415         (gate_ipa_profile): Likewise.
416         (pass_ipa_profile): New global variable.
417         * passes.c (pass_ipa_profile): New.
418
419 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
420
421         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
422
423 2010-04-27  Martin Jambor  <mjambor@suse.cz>
424
425         PR middle-end/43812
426         * ipa.c (dissolve_same_comdat_group_list): New function.
427         (function_and_variable_visibility): Call
428         dissolve_same_comdat_group_list when comdat group contains external or
429         newly local nodes.
430         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
431         lists are circular and that they contain only DECL_ONE_ONLY nodes.
432
433 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
434
435         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
436         (const_hash_1) <VECTOR_CST>: New case.
437         (compare_constant) <VECTOR_CST>: Likewise.
438         <ADDR_EXPR>: Deal with LABEL_REFs.
439         (copy_constant) <VECTOR_CST>: New case.
440
441 2010-04-27  Jan Hubicka  <jh@suse.cz>
442
443         * cgraph.c (cgraph_propagate_frequency): New function.
444         * cgraph.h (cgraph_propagate_frequency): Declare.
445         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
446         cgraph_propagate_frequency.
447
448 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
449
450         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
451
452 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
453
454         PR target/40657
455         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
456         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
457         here to determine which regs to push and how much stack to reserve.
458
459 2010-04-27  Jie Zhang  <jie@codesourcery.com>
460
461         * doc/gimple.texi (gimple_statement_with_ops): Remove
462         addresses_taken field.
463         (gimple_statement_with_memory_ops): Likewise.
464
465 2010-04-27  Jan Hubicka  <jh@suse.cz>
466
467         * tree-inline.c (eni_inlining_weights): Remove.
468         (estimate_num_insns): Special case more builtins.
469
470 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
471
472         PR c/32207
473         * c-typeck.c (build_binary_op): Move forward check for comparison
474         pointer with null pointer constant and adjust the diagnostic message.
475
476 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
477
478         PR lto/42776
479         * configure.ac (gcc_cv_as_section_has_align): Set if installed
480         binutils supports extended .section directive needed by LTO, or
481         warn if older binutils found.
482         (LTO_BINARY_READER): New AC_SUBST'd variable.
483         (LTO_USE_LIBELF): Likewise.
484         * gcc/config.gcc (lto_binary_reader): New target-specific configure
485         variable.
486         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
487         (LTO_USE_LIBELF): Likewise.
488         * configure: Regenerate.
489
490         * collect2.c (is_elf): Rename from this ...
491         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
492          object files in addition to ELF-formatted ones.
493         (scan_prog_file): Caller updated.  Also allow for LTO info marker
494         symbol to be prefixed or not by an extra underscore.
495
496         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
497         * config/i386/winnt.c: Also #include lto-streamer.h
498         (i386_pe_asm_named_section): Specify 1-byte section alignment for
499         LTO named sections.
500         (i386_pe_asm_output_aligned_decl_common): Add comment.
501         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
502
503 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
504
505         PR target/43889
506         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
507         Add missing earlyclobber for second alternative.
508
509 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
510
511         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
512         bits for artificial defs at the top of the block.
513         * fwprop.c (single_def_use_enter_block): Don't call it.
514
515 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
516
517         PR 43715
518         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
519         instead of "$gcc_cv_objdump -T".
520         Use "-undefined dynamic_lookup" on darwin.
521         * gcc/configure: Regenerate.
522
523 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
524
525         PR c/43893
526         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
527
528 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
529
530         * c-parser.c (struct c_token): Move location field up.
531         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
532         (struct c_declspecs): Convert typespec_word, storage_class, and
533         default_int_p into bitfields.
534         (struct c_declarator): Move loc field up.
535
536 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
537
538         * cfgloop.h (struct loop): Move can_be_parallel field up.
539         * ipa-prop.h (struct ip_node_params): Move bitfields up.
540         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
541         down.
542         (struct iv_cand): Convert pos field into a bitfield.
543         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
544         field up.
545         (struct _stmt_vec_info): Shuffle fields for better packing.
546
547 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
548
549         * varasm.c (IN_NAMED_SECTION): Remove guard.
550         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
551         (IN_NAMED_SECTION_P): ...this.
552         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
553         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
554
555 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
556
557         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
558         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
559         of shadowing it.  Fix comments.
560
561 2010-04-26  Jan Hubicka  <jh@suse.cz>
562
563         * cgraph.c (cgraph_create_node): Set node frequency to normal.
564         (cgraph_clone_node): Copy function frequency.
565         * cgraph.h (node_frequency): New enum
566         (struct cgraph_node): Add.
567         * final.c (rest_of_clean_state): Update.
568         * lto-cgraph.c (lto_output_node): Output node frequency.
569         (input_overwrite_node): Input node frequency.
570         * tre-ssa-loop-ivopts (computation_cost): Update.
571         * lto-streamer-out.c (output_function): Do not output function
572         frequency.
573         * predict.c (maybe_hot_frequency_p): Update and handle functions
574         executed once.
575         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
576         attribute lookup.
577         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
578         (compute_function_frequency): Set noreturn functions to be executed
579         once.
580         (choose_function_section): Update.
581         * lto-streamer-in.c (input_function): Do not input function frequency.
582         * function.c (allocate_struct_function): Do not initialize function
583         frequency.
584         * function.h (function_frequency): Remove.
585         (struct function): Remove function frequency.
586         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
587         (try_update): Update.
588         * tree-inline.c (initialize_cfun): Do not update function frequency.
589         * passes.c (pass_init_dump_file): Update.
590         * i386.c (ix86_compute_frame_layout): Update.
591         (ix86_pad_returns): Update.
592
593 2010-04-26  Jie Zhang  <jie@codesourcery.com>
594
595         PR tree-optimization/43833
596         * tree-vrp.c (range_int_cst_p): New.
597         (range_int_cst_singleton_p): New.
598         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
599         when both operands are constants.  Use range_int_cst_p in
600         BIT_IOR_EXPR case.
601
602 2010-04-26  Jan Hubicka  <jh@suse.cz>
603
604         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
605
606 2010-04-26  Richard Guenther  <rguenther@suse.de>
607
608         PR lto/43080
609         * gimple.c (gimple_decl_printable_name): Deal gracefully
610         with a NULL DECL_NAME.
611
612 2010-04-26  Richard Guenther  <rguenther@suse.de>
613
614         PR lto/42425
615         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
616         if emitting debug information and it is either a function
617         or a namespace decl.
618
619 2010-04-26  Ira Rosen  <irar@il.ibm.com>
620
621         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
622         determine if the statement is vectorizable, and a macro to access it.
623         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
624         Skip statements that can't be vectorized. If the analysis fails,
625         mark the statement as unvectorizable if vectorizing basic block.
626         (vect_compute_data_refs_alignment): Likewise.
627         (vect_verify_datarefs_alignment): Skip statements marked as
628         unvectorizable. Add print.
629         (vect_analyze_group_access): Skip statements that can't be
630         vectorized. If the analysis fails, mark the statement as
631         unvectorizable if vectorizing basic block.
632         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
633         * tree-vect-stmts.c (vectorizable_store): Fix the number of
634         generated stmts for SLP.
635         (new_stmt_vec_info): Initialize the new field.
636         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
637         statements marked as unvectorizable.
638
639 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
640
641         * c-common.c (flag_isoc1x): New.
642         (flag_isoc99): Update comment.
643         * c-common.h (flag_isoc1x): New.
644         (flag_isoc99): Update comment.
645         * c-cppbuiltin.c (builtin_define_float_constants): Also define
646         __<type>_DECIMAL_DIG__.
647         * c-opts.c (set_std_c1x): New.
648         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
649         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
650         * c.opt (-std=c1x, -std=gnu1x): New options.
651         * doc/cpp.texi: Mention -std=c1x.
652         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
653         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
654         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
655         * doc/standards.texi: Mention C1X.
656         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
657         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
658         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
659         Define for C1X.
660
661 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
662
663         * config/i386/gmon-sol2.c (_mcleanup): Change format string
664         placeholder from 0x%x to %#x.
665         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
666         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
667         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
668         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
669         * config/i386/i386.c (ix86_target_string): Ditto.
670         (output_pic_addr_const): Ditto.
671         (print_operand): Ditto.
672
673 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
674
675         * combine.c (find_split_point): Add third argument.  Use it
676         to find nested multiply-accumulate instructions.  Adjust calls.
677         (try_combine): Adjust call to find_split_point.
678
679 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
680
681         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
682
683 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
684
685         PR tree-optimization/41442
686         * fold-const.c (merge_truthop_with_opposite_arm): New function.
687         (fold_binary_loc): Call it.
688
689 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
690
691         * toplev.c (general_init): Set default for fdiagnostics-show-option.
692         * opts.c (common_handle_option): Allow disabling it.
693         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
694
695 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
696
697         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
698         between modes if both types are integral.
699
700 2010-04-23  Richard Guenther  <rguenther@suse.de>
701
702         PR tree-optimization/43572
703         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
704
705 2010-04-23  Richard Guenther  <rguenther@suse.de>
706
707         PR lto/43455
708         * tree-inline.c (tree_can_inline_p): Also check compatibility
709         of return types.
710
711 2010-04-23  Martin Jambor  <mjambor@suse.cz>
712
713         PR tree-optimization/43846
714         * tree-sra.c (struct access): New flag grp_assignment_read.
715         (build_accesses_from_assign): Set grp_assignment_read.
716         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
717         (enum mark_read_status): New type.
718         (analyze_access_subtree): Propagate grp_assignment_read, create
719         accesses also if both direct_read and root->grp_assignment_read.
720
721 2010-04-23  Martin Jambor  <mjambor@suse.cz>
722
723         PR middle-end/43835
724         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
725         function does not have type attributes.
726
727 2010-04-23  Richard Guenther  <rguenther@suse.de>
728
729         PR lto/42653
730         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
731         of FUNCTION_DECLs.
732
733 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
734
735         * sese.h (create_if_region_on_edge): Remove.
736
737         * sese.c (create_if_region_on_edge): Make static.
738
739         * tree-inline.c: Do not include ggc.h.
740
741         * expr.c: Do not include ggc.h.
742
743         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
744         dependencies.
745
746 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
747
748         PR target/43744
749         * config/sh/sh.c (find_barrier): Don't emit a constant pool
750         in the middle of insns for casesi_worker_2.
751
752 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
753
754         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
755
756 2010-04-22  Ira Rosen  <irar@il.ibm.com>
757
758         PR tree-optimization/43842
759         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
760         loop unrolling in update of exit phis. Fix comment.
761         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
762         least two reduction statements in the loop before starting SLP
763         analysis.
764
765 2010-04-22  Nick Clifton  <nickc@redhat.com>
766
767         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
768
769 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
770
771         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
772         to simplify a + ~a.
773
774 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
775
776         * tree-parloops.c (loop_parallel_p): New argument
777         parloop_obstack.  Pass it down.
778         (parallelize_loops): New variable parloop_obstack.  Initialize it,
779         pass it down, free it.
780
781         * tree-loop-linear.c (linear_transform_loops): Pass down
782         lambda_obstack.
783
784         * tree-data-ref.h (lambda_compute_access_matrices): New argument
785         of type struct obstack *.
786
787         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
788         scratch_obstack.  Initialize it, pass down, free it.
789
790         * lambda.h (lambda_loop_new): Remove.
791         (lambda_matrix_new, lambda_matrix_inverse)
792         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
793         argument of type struct obstack *.
794
795         * lambda-trans.c (lambda_trans_matrix_new): New argument
796         lambda_obstack.  Pass it down, use obstack allocation for ret.
797         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
798         it down.
799
800         * lambda-mat.c (lambda_matrix_get_column)
801         (lambda_matrix_project_to_null): Remove.
802         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
803         allocation for mat.
804         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
805         lambda_obstack.
806
807         * lambda-code.c (lambda_loop_new): New function.
808         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
809         (lambda_compute_auxillary_space, lambda_compute_target_space)
810         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
811         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
812         (build_access_matrix): New argument lambda_obstack.  Use obstack
813         allocation for am.
814         (lambda_compute_step_signs, lambda_compute_access_matrices): New
815         argument lambda_obstack.  Pass it down.
816
817 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
818
819         * optabs.h (expand_widening_mult): Declare.
820
821 2010-04-22  Richard Guenther  <rguenther@suse.de>
822
823         PR tree-optimization/43845
824         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
825         lookup the CALL_EXPR function and arguments.
826
827 2010-04-22  Nick Clifton  <nickc@redhat.com>
828
829         * config/stormy16/stormy16.c
830         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
831         * config/stormy16/stormy16.h: Tidy up formatting.
832         (DONT_USE_BUILTIN_SETJMP): Remove definition.
833         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
834         (ineqbranchsi): Delete pattern.
835         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
836         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
837         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
838         stormy16-lib2-ucmpsi2.c.
839
840 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
841
842         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
843         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
844         extra set merge_set_noclobber, and use it to relax the final test
845         slightly.
846         * df.h (df_simulate_find_noclobber_defs): Declare.
847         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
848         conditional defs.
849         (df_simulate_find_noclobber_defs): New function.
850
851 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
852
853         * config/i386/i386.md: Use {} around multi-line preparation statements.
854
855 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
856
857         * c-tree.h (push_init_level, pop_init_level, set_init_index)
858         (process_init_element): New argument of type struct obstack *.
859
860         * c-typeck.c (push_init_level, pop_init_level, set_designator)
861         (set_init_index, set_init_label, set_nonincremental_init)
862         (set_nonincremental_init_from_string, find_init_member)
863         (output_init_element, output_pending_init_elements)
864         (process_init_element): New argument braced_init_obstack.  Pass it
865         down.
866         (push_range_stack, add_pending_init): New argument
867         braced_init_obstack.  Use obstack allocation.
868
869         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
870         braced_init_obstack.  Pass it down.
871         (c_parser_braced_init): New variables ret, braced_init_obstack.
872         Initialize obstack, pass it down and finally free it.
873
874 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
875
876         PR middle-end/29274
877         * tree-pass.h (pass_optimize_widening_mul): Declare.
878         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
879         gate_optimize_widening_mul): New static functions.
880         (pass_optimize_widening_mul): New.
881         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
882         <case MULT_EXPR>: Remove support for widening multiplies.
883         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
884         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
885         simplify_gen_unary rather than directly building extensions.
886         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
887         WIDEN_MULT_EXPR.
888         * expmed.c (expand_widening_mult): New function.
889         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
890
891 2010-04-21  Jan Hubicka  <jh@suse.cz>
892
893         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
894         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
895         * lto-wpa-fixup.c: Remove.
896         * Makefile.in (lto-wpa-fixup.o): Remove.
897         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
898         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
899         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
900
901 2010-04-21  Jan Hubicka  <jh@suse.cz>
902
903         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
904         add write_optimization_summary, read_optimization_summary.
905         (ipa_write_summaries_of_cgraph_node_set): Remove.
906         (ipa_write_optimization_summaries): Declare.
907         (ipa_read_optimization_summaries): Declare.
908         * ipa-cp.c (pass_ipa_cp): Update.
909         * ipa-reference.c (pass_ipa_reference): Update.
910         * ipa-pure-const.c (pass_ipa_pure_const): Update.
911         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
912         Update.
913         * ipa-inline.c (pass_ipa_inline): Update.
914         * ipa.c (pass_ipa_whole_program): Update.
915         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
916         * passes.c (ipa_write_summaries_1): Do not test wpa.
917         (ipa_write_optimization_summaries_1): New.
918         (ipa_write_optimization_summaries): New.
919         (ipa_read_summaries): Do not test ltrans.
920         (ipa_read_optimization_summaries_1): New.
921         (ipa_read_optimization_summaries): New.
922
923 2010-04-21  Jan Hubicka  <jh@suse.cz>
924
925         * lto-cgraph.c (lto_output_node): Do not output comdat groups
926         for boundary nodes.
927         (output_cgraph): Do not arrange comdat groups for boundary nodes.
928
929 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
930
931         PR debug/40040
932         * dwarf2out.c (add_name_and_src_coords_attributes): Add
933         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
934
935 2010-04-21  Jan Hubicka  <jh@suse.cz>
936
937         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
938
939 2010-04-21  Jan Hubicka  <jh@suse.cz>
940
941         * varpool.c (decide_is_variable_needed): Variable is always needed
942         during ltrans.
943
944 2010-04-21  Jan Hubicka  <jh@suse.cz>
945
946         * opts.c (decode_options): Enable pure-const pass for whopr.
947
948 2010-04-21  Jan Hubicka  <jh@suse.cz>
949
950         * cgraph.c (dump_cgraph_node): Dump also assembler name.
951         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
952         at WPA dumping.
953         (cgraph_decide_inlining): Do not expect callee to be removed in all
954         cases.
955
956 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
957
958         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
959
960 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
961
962         * config/i386/i386.md (x86_shrd): Add athlon_decode and
963         amdfam10_decode attributes.
964
965 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
966
967         PR middle-end/43570
968         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
969         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
970         (lower_copyprivate_clauses): Use private var in outer
971         context instead of original var.  Make sure the types
972         are correct for VLAs.
973
974 2010-04-21  Richard Guenther  <rguenther@suse.de>
975
976         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
977         to non-pointer objects.
978
979 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
980
981         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
982         last chain entry if it starts with the still current label.
983         (add_location_or_const_value_attribute): Check that
984         loc_list->first->next is NULL instead of comparing ->first with ->last.
985         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
986         to add_var_loc_to_decl.
987
988         * dwarf2out.c (output_call_frame_info): For dw_cie_version
989         >= 4 add also address size and segment size fields into CIE header.
990
991         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
992         long as address size is the same as sizeof (void *) and
993         segment size is 0.
994         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
995         address size or segment size is unexpected, return DW_EH_PE_omit.
996         (classify_object_over_fdes): If get_cie_encoding returned
997         DW_EH_PE_omit, return -1.
998         (init_object): If classify_object_over_fdes returned -1,
999         pretend there were no FDEs at all.
1000
1001 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1002
1003         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1004         bswap{si,di}2 using SWI48 mode iterator.
1005         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1006         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1007         set modrm attribute of bswap insn to 0 and remove length attribute.
1008         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1009         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1010         set mode attribute to <MODE> and remove length attribute.
1011
1012 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1013
1014         PR rtl-optimization/43520
1015         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1016         zero available registers.
1017
1018 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1019
1020         * builtins.c (fold_builtin_cproj): Fold more cases.
1021
1022 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1023
1024         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1025         (fold_builtin_1): Fold builtin cproj.
1026         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1027         Use ATTR_CONST_NOTHROW_LIST.
1028
1029 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1032         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1033         ffsi2_no_cmove for !TARGET_CMOVE.
1034         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1035         (ffssi2): Remove expander.
1036         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1037         mode iterator.
1038         (ctz<mode>2): Ditto from ctz{si,di}2.
1039         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1040         mode iterator.
1041         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1042         mode iterator.
1043
1044 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1045
1046         * dwarf2out.c (AT_linkage_name): Define.
1047         (clone_as_declaration): Handle DW_AT_linkage_name.
1048         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1049         of DW_AT_MIPS_linkage_name.
1050         (move_linkage_attr): Likewise.
1051         (dwarf2out_finish): Likewise.
1052
1053 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1054
1055         PR middle-end/41952
1056         * fold-const.c (fold_comparison): New folding rule.
1057
1058 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1059
1060         * double-int.h (double_int_setbit): Declare.
1061         * double-int.c (double_int_setbit): New function.
1062         * rtl.h (immed_double_int_const): Declare.
1063         * emit-rtl.c (immed_double_int_const): New function.
1064         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1065         and immed_double_int_const functions.
1066         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1067         expand_copysign_bit):  (Ditto.).
1068         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1069         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1070         * dojump.c (prefer_and_bit_test): (Ditto.).
1071         * expr.c (convert_modes, reduce_to_bit_field_precision,
1072         const_vector_from_tree): (Ditto.).
1073         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1074
1075 2010-04-20  Jan Hubicka  <jh@suse.cz>
1076
1077         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1078         (dump_cgraph_node): Dump new flags.
1079         * cgraph.h (struct cgraph_node): Add flags
1080         reachable_from_other_partition and in_other_partition.
1081         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1082         other partition can not be removed.
1083         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1084         the other partition must be output; silence sanity checking on
1085         leaking functions bodies from other paritition.
1086         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1087         (lto_output_node): Output new flags; do not sanity check that inline
1088         clones are output; drop lto_forced_extern_inline_p code; do not mock
1089         visibility flags at partition boundaries.
1090         (add_node_to): New function.
1091         (output_cgraph): Use it to sort functions so masters appear before
1092         clones.
1093         (input_overwrite_node): Input new flags.
1094         * passes.c (ipa_write_summaries): Do not call
1095         lto_new_extern_inline_states.
1096         * lto-section-out.c (forced_extern_inline,
1097         lto_new_extern_inline_states lto_delete_extern_inline_states,
1098         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1099         * lto-streamer.h (lto_new_extern_inline_states,
1100         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1101         lto_forced_extern_inline_p): Kill.
1102
1103 2010-04-20  Richard Guenther  <rguenther@suse.de>
1104
1105         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1106         from vars that can have pointers.
1107         (process_constraint): Dump useless constraints.
1108
1109 2010-04-20  Richard Guenther  <rguenther@suse.de>
1110
1111         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1112         (dump_sa_points_to_info): Remove asserts.
1113         (init_base_vars): nothing_id isn't an escape point nor does it
1114         have pointers.
1115
1116 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1117
1118         * tree.h (TYPE_REF_IS_RVALUE): Define.
1119         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1120         should_move_die_to_comdat, prune_unused_types_walk): Handle
1121         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1122         (modified_type_die, gen_reference_type_die): Emit
1123         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1124         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1125
1126 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1127
1128         PR target/43635
1129         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1130         calls for -fpic -m31 if they have been sibcall optimized.
1131
1132 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1133
1134         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1135         ar.lc fixed and call-used.
1136
1137         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1138
1139 2010-04-19  Jan Hubicka  <jh@suse.cz>
1140
1141         * opts.c (decode_options): Disable whpr incompatible passes.
1142         * lto/lto.c (lto_1_to_1_map): Skip clones.
1143         (read_cgraph_and_symbols): Do not mark everything as needed.
1144         (do_whole_program_analysis): Do map only after optimizing;
1145         set proper cgraph_state; use passmanager.
1146
1147 2010-04-19  DJ Delorie  <dj@redhat.com>
1148
1149         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1150         POINTER_PLUS_EXPR and fix them.
1151
1152 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1153
1154         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1155         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1156         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1157         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1158         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1159         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1160         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1161         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1162         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1163         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1164         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1165
1166 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1167
1168         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1169         (check_cond_move_block): Likewise.
1170         (cond_move_process_if_block): Likewise.
1171         (noce_find_if_block): Improve formatting.
1172         (find_if_header): Pass 0 to memset and tweak conditions.
1173         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1174
1175 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1176
1177         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1178         for -gdwarf-4.
1179
1180         PR middle-end/43337
1181         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1182         with non-local decl doesn't need chain.
1183
1184 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1185
1186         * ira-color.c (allocno_reload_assign): Avoid accumulating
1187         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1188
1189 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1190
1191         * gimple.h (create_tmp_reg): Declare.
1192         * gimplify.c (create_tmp_reg): New function.
1193         (gimplify_return_expr): Use create_tmp_reg.
1194         (gimplify_omp_atomic): Likewise.
1195         (gimple_regimplify_operands): Likewise.
1196         * tree-dfa.c (make_rename_temp): Likewise.
1197         * tree-predcom.c (predcom_tmp_var): Likewise.
1198         (reassociate_to_the_same_stmt): Likewise.
1199         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1200         (get_replaced_param_substitute): Likewise.
1201         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1202         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1203         * tree-ssa-pre.c (get_representative_for): Likewise.
1204         (create_expression_by_pieces): Likewise.
1205         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1206         (create_tailcall_accumulator): Likewise.
1207
1208 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1209
1210         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1211         new_stmt.
1212         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1213
1214 2010-04-19  Richard Guenther  <rguenther@suse.de>
1215
1216         PR tree-optimization/43796
1217         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1218         from SCEV in the lattice.
1219         (vrp_visit_phi_node): Dump change.
1220
1221 2010-04-19  Richard Guenther  <rguenther@suse.de>
1222
1223         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1224         * configure: Re-generated.
1225
1226 2010-04-19  Richard Guenther  <rguenther@suse.de>
1227
1228         PR tree-optimization/43783
1229         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1230         constant ARRAY_REF operands two and three if possible.
1231
1232 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1233
1234         PR target/43766
1235         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1236
1237 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1238
1239         PR target/43662
1240         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1241
1242 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1243
1244         PR tree-optimization/37027
1245         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1246         and macro to access it.
1247         (vectorizable_reduction): Add argument.
1248         (vect_get_slp_defs): Likewise.
1249         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1250         statements for possible use in SLP.
1251         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1252         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1253         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1254         add new argument.
1255         (vectorizable_reduction): Likewise.
1256         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1257         vect_get_slp_defs.
1258         (vectorizable_type_demotion, vectorizable_type_promotion,
1259         vectorizable_store): Likewise.
1260         (vect_analyze_stmt): Update call to vectorizable_reduction.
1261         (vect_transform_stmt): Likewise.
1262         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1263         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1264         from different interleaving chains in same node.
1265         (vect_slp_rearrange_stmts): New function.
1266         (vect_supported_load_permutation_p): Allow load permutations for
1267         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1268         inside SLP nodes if necessary.
1269         (vect_analyze_slp_instance): Handle reductions.
1270         (vect_analyze_slp): Try to build SLP instances originating from groups
1271         of reductions.
1272         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1273         (vect_get_constant_vectors): Create initial vectors for reductions
1274         according to reduction code. Add new argument.
1275         (vect_get_slp_defs): Add new argument, pass it to
1276         vect_get_constant_vectors.
1277         (vect_schedule_slp_instance): Remove SLP tree root statements.
1278
1279 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1280
1281         * tree.h (ENUM_IS_SCOPED): Define.
1282         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1283         for ENUM_IS_SCOPED enums.
1284
1285 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1286
1287         * fold-const.c (fold_comparison): Use ssizetype.
1288         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1289         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1290         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1291         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1292
1293         * tree.h (initialize_sizetypes): Remove parameter.
1294         (build_common_tree_nodes): Remove second parameter.
1295         * stor-layout.c (initialize_sizetypes): Remove parameter.
1296         Always create an unsigned type.
1297         (set_sizetype): Assert that the passed type is unsigned and simplify.
1298         * tree.c (build_common_tree_nodes): Remove second parameter.
1299         Adjust call to initialize_sizetypes.
1300         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1301         build_common_tree_nodes.
1302
1303 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1304
1305         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1306
1307 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1308
1309         PR tree-optimization/43771
1310         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1311         load permutation doesn't have gaps.
1312
1313 2010-04-18  Jan Hubicka  <jh@suse.cz>
1314
1315         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1316         (sse_prologue_save_insn expander): Use new pattern.
1317         (sse_prologue_save_insn1): New pattern and splitter.
1318         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1319         blocks.
1320         * i386.c (setup_incoming_varargs_64): Do not compute jump
1321         destination here.
1322         (ix86_gimplify_va_arg): Update alignment needed.
1323         (ix86_local_alignment): Do not align all local arrays to 128bit.
1324
1325 2010-04-17  Jan Hubicka  <jh@suse.cz>
1326
1327         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1328
1329 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1330
1331         * arm.md (negdi2): Remove redundant code to force values into a
1332         register.
1333
1334 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1335
1336         * arm/bpabi.S: Add EABI alignment attributes to objects.
1337         * arm/bpabi-v6m.S: Likewise.
1338         * arm/crti.asm: Likewise.
1339         * arm/crtn.asm: Likewise.
1340         * arm/lib1funcs.asm: Likewise.
1341         * arm/libunwind.S: Likewise.
1342
1343 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1344
1345         * arm-protos.h (tune_params): New structure.
1346         * arm.c (current_tune): New variable.
1347         (arm_constant_limit): Delete.
1348         (struct processors): Add pointer to the tune parameters.
1349         (arm_slowmul_tune): New tuning option.
1350         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1351         (all_cores): Adjust to pick up the tuning model.
1352         (arm_constant_limit): New function.
1353         (arm_override_options): Select the appropriate tuning model.  Delete
1354         initialization of arm_const_limit.
1355         (arm_split_constant): Use the new constant-limit model.
1356         (arm_rtx_costs): Pick up the current tuning model.
1357         * arm.md (is_strongarm, is_xscale): Delete.
1358         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1359         for Xscale variant architectures.
1360         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1361
1362 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1363
1364         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1365         can_shift.
1366         (arm_rtx_costs_1): Remove unused variable extra_cost.
1367         (arm_unwind_emit_set): Use variable offset.
1368         (thumb1_output_casesi): Remove unused variable flags.
1369
1370 2010-04-16  Jeff Law  <law@redhat.com>
1371
1372         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1373         needing assignment rather than doing a two-phase assignment.  Remove
1374         unused variable 'm'.
1375
1376 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1377
1378         PR bootstrap/43767
1379         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1380
1381 2010-04-16  Doug Kwan  <dougkwan@google.com>
1382
1383         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1384         (next_operand_entry_id): New static variable.
1385         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1386         (add_to_ops_vec): Assigned unique ID to operand entry.
1387         (struct oecount_s): New field ID.
1388         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1389         (undistribute_ops_list): Assign unique IDs to oecounts.
1390         (init_reassoc): reset next_operand_entry_id.
1391
1392 2010-04-16  Doug Kwan  <dougkwan@google.com>
1393
1394         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1395         missing left parenthesis.
1396
1397 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1398
1399         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1400         *btdi_rex64 using SWI48 mode iterator.
1401         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1402         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1403         *jcc_btdi_mask_rex64.
1404
1405 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1406
1407         * double-int.h (tree_to_double_int): Convert to macro.
1408         * double-int.c (tree_to_double_int): Remove.
1409
1410 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1411
1412         PR debug/43762
1413         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1414         with want_address 2 and in case a single element list might be
1415         possible, call it again with want_address 0.
1416
1417 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1418
1419         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1420         case 'W' print operands for HI mode.
1421         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1422         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1423         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1424         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1425
1426         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1427
1428         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1429         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1430         #xx:3 and #xx:4 mode.
1431
1432         * config/h8300/h8300.md (inverted load with HImode dest): Add
1433         support for H8300SX.
1434
1435         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1436         satisfy 'U' constraint.
1437
1438 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1439
1440         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1441         * configure: Regenerate.
1442         * config.in: Regenerate.
1443         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1444         works.
1445
1446 2010-04-16  Richard Guenther  <rguenther@suse.de>
1447
1448         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1449         (struct tree_decl_common): ... here.
1450         (DECL_PT_UID): Adjust.
1451         (SET_DECL_PT_UID): Likewise.
1452         (DECL_PT_UID_SET_P): Likewise.
1453
1454 2010-04-16  Richard Guenther  <rguenther@suse.de>
1455
1456         PR tree-optimization/43572
1457         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1458         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1459         * tree-flow.h (is_call_clobbered): Remove.
1460         * tree-flow-inline.h (is_call_clobbered): Likewise.
1461         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1462         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1463         (execute_return_slot_opt): Adjust.
1464         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1465         check for call clobbered vars here.
1466         (find_tail_calls): Move tailcall verification to the
1467         proper place.
1468
1469 2010-04-16  Diego Novillo  <dnovillo@google.com>
1470
1471         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1472
1473 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1474
1475         PR target/40603
1476         * config/arm/arm.md (cbranchqi4): New pattern.
1477         * config/arm/predicates.md (const0_operand,
1478         cbranchqi4_comparison_operator): New predicates.
1479
1480 2010-04-16  Richard Guenther  <rguenther@suse.de>
1481
1482         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1483         (dump_gimple_stmt): Likewise.
1484
1485 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1486
1487         * recog.h (struct recog_data): New field is_operator.
1488         (struct insn_operand_data): New field is_operator.
1489         * recog.c (extract_insn): Set recog_data.is_operator.
1490         * genoutput.c (output_operand_data): Emit code to set the
1491         is_operator field.
1492         * reload.c (find_reloads): Use it rather than testing for an
1493         empty constraint string.
1494
1495         PR target/41514
1496         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1497         If the previous insn is a cbranchsi4_insn with the same arguments,
1498         omit the compare instruction.
1499
1500         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1501         register, inputs must be low registers and we need a low register
1502         scratch.  Handle alternative 2 like alternative 3.
1503
1504 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1505
1506         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1507         don't call get_addr on both.  If one expression is a VALUE and
1508         the other a REG, check VALUE's locs if the REG isn't among them.
1509
1510 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1511
1512         * config/sh/sh.h (sh_frame_pointer_required): New function.
1513         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1514         (flag_omit_frame_pointer) Set.
1515         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1516         (rounded_frame_size): Adjust size with outgoing_args_size.
1517         (sh_set_return_address): Must return from stack pointer.
1518         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1519         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1520         (ACCUMULATE_OUTGOING_ARGS): Define.
1521         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1522         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1523
1524 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1525
1526         PR target/43471
1527         * config/sh/sh.c (sh_legitimize_reload_address): Use
1528         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1529         Remove a unneeded check for offset_base.
1530
1531 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1532
1533         * configure: Regenerated.
1534
1535 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1536
1537         * config/s390/s390.c (s390_call_save_register_used): Switch back
1538         to HARD_REGNO_NREGS.
1539
1540 2010-04-15  Richard Guenther  <rguenther@suse.de>
1541
1542         * alias.c (alias_set_subset_of): Handle alias-set zero
1543         child properly.
1544
1545 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1546             Julian Brown  <julian@codesourcery.com>
1547
1548         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1549         alternatives according to use of high and low regs.
1550         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1551         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1552         optimizing for size on Thumb-2.
1553
1554 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1555
1556         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1557
1558 2010-04-15  Richard Guenther  <rguenther@suse.de>
1559
1560         * tree-ssa-structalias.c (struct variable_info): Add
1561         is_fn_info flag.
1562         (new_var_info): Initialize it.
1563         (dump_constraints): Support printing last added constraints.
1564         (debug_constraints): Adjust.
1565         (dump_constraint_graph): Likewise.
1566         (make_heapvar_for): Check for NULL cfun.
1567         (get_function_part_constraint): New function.
1568         (get_fi_for_callee): Likewise.
1569         (find_func_aliases): Properly implement IPA PTA constraints.
1570         (process_ipa_clobber): New function.
1571         (find_func_clobbers): Likewise.
1572         (insert_into_field_list_sorted): Remove.
1573         (create_function_info_for): Properly allocate vars for IPA mode.
1574         Do not use insert_into_field_list_sorted.
1575         (create_variable_info_for): Properly generate constraints for
1576         global vars in IPA mode.
1577         (dump_solution_for_var): Always dump the solution.
1578         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1579         (find_what_var_points_to): Adjust.
1580         (pt_solution_set): Change.
1581         (pt_solution_ior_into): New function.
1582         (pt_solution_empty_p): Export.
1583         (pt_solution_includes_global): Adjust.
1584         (pt_solution_includes_1): Likewise.
1585         (pt_solutions_intersect_1): Likewise.
1586         (dump_sa_points_to_info): Check some invariants.
1587         (solve_constraints): Move constraint dumping ...
1588         (compute_points_to_sets): ... here.
1589         (ipa_pta_execute): ... and here.
1590         (compute_may_aliases): Do not re-compute points-to info
1591         locally if IPA info is available.
1592         (ipa_escaped_pt): New global var.
1593         (ipa_pta_execute): Properly implement IPA PTA.
1594         * tree-into-ssa.c (dump_decl_set): Support dumping
1595         decls not in referenced-vars.
1596         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1597         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1598         (dump_points_to_solution): Likewise.
1599         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1600         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1601         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1602         (copy_decl_to_var): Copy DECL_PT_UID.
1603         (copy_result_decl_to_var): Likewise.
1604         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1605         (copy_node_stat): Copy it.
1606         * tree.h (DECL_PT_UID): New macro.
1607         (SET_DECL_PT_UID): Likewise.
1608         (DECL_PT_UID_SET_P): Likewise.
1609         (struct tree_decl_minimal): Add pt_uid member.
1610         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1611         (pt_solution_empty_p): Declare.
1612         (pt_solution_set): Adjust.
1613         (ipa_escaped_pt): Declare.
1614         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1615         * gimple-pretty-print.c (pp_points_to_solution): New function.
1616         (dump_gimple_call): Dump call clobber/use information.
1617         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1618         * tree-pass.h (TDF_ALIAS): New dump option.
1619         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1620         * doc/invoke.texi (-fipa-pta): Update documentation.
1621
1622 2010-04-15  Richard Guenther  <rguenther@suse.de>
1623
1624         * Makefile.in (OBJS-common): Add gimple-fold.o.
1625         (gimple-fold.o): New rule.
1626         * tree.h (maybe_fold_offset_to_reference,
1627         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1628         prototypes ...
1629         * gimple.h: ... here.
1630         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1631         may_propagate_address_into_dereference): Move prototypes ...
1632         * gimple.h: ... here.
1633         * tree-ssa-ccp.c (get_symbol_constant_value,
1634         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1635         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1636         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1637         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1638         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1639         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1640         gimplify_and_update_call_from_tree): Move ...
1641         * gimple-fold.c: ... here.  New file.
1642         (ccp_fold_builtin): Rename to ...
1643         (gimple_fold_builtin): ... this.
1644         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1645
1646 2010-04-15  Richard Guenther  <rguenther@suse.de>
1647
1648         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1649         fit_double_type, force_fit_type_double, add_double_with_sign,
1650         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1651         lrotate_double, rrotate_double, div_and_round_double): Move ...
1652         * double-int.c: ... here.
1653         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1654         add_double, neg_double, mul_double_with_sign, mul_double,
1655         lshift_double, rshift_double, lrotate_double, rrotate_double,
1656         div_and_round_double): Move prototypes ...
1657         * double-int.h: ... here.
1658
1659 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1660
1661         PR target/43742
1662         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1663         matching constraints to ensure inputs match the output.
1664
1665 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1666
1667         PR target/43742
1668         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1669         in an input-only operand.
1670
1671 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1672
1673         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1674         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1675         (double_int_negative_p): Convert to static inline function.
1676         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1677         (double_int_negative_p): Remove.
1678         * tree.h (lshift_double, rshift_double):
1679         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1680         * fold-const.c (fold_convert_const_int_from_real,
1681         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1682         (lshift_double): Change type of arith argument to bool.
1683         (rshift_double): Change type of arith argument to bool. Correct
1684         comment.
1685         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1686
1687 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1688
1689         PR target/21803
1690         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1691         at the start and end of the then/else blocks, and omit them from the
1692         conversion.
1693         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1694         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1695         (flow_find_head_matching_sequence): New function.
1696         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1697         * basic-block.h (flow_find_cross_jump,
1698         flow_find_head_matching_sequence): Declare functions.
1699
1700 2010-04-14  Jason Merrill  <jason@redhat.com>
1701
1702         PR c++/36625
1703         * c-common.c (attribute_takes_identifier_p): New fn.
1704         * c-common.h: Declare it.
1705
1706 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1707
1708         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1709         splitter condition.
1710         (*udivmod<mode>4): Ditto.
1711
1712 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1713
1714         * config/i386/i386.md (maxmin_int): Rename code attribute from
1715         maxminiprefix and update all users.
1716         (maxmin_float): Ditto from maxminfprefix.
1717         (logic): Ditto from logicprefix.
1718         (absneg_mnemonic): Ditto from absnegprefix.
1719         * config/i386/mmx.md: Update all users of maxminiprefix,
1720         maxminfprefix and logicprefix for rename.
1721         * config/i386/sse.md: Ditto.
1722         * config/i386/sync.md (sync_<code><mode>): Update for
1723         logicprefix rename.
1724
1725 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1726
1727         PR 42966
1728         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1729         warnings converted to errors.
1730
1731 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1732
1733         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1734         used insn_type variable.
1735         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1736         to avoid set-but-not-used warning.
1737
1738 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1739
1740         * df-core.c (df_ref_debug): Change format string placeholder
1741         from 0x%x to %#x.
1742         * dwarf2asm.c (dw2_asm_output_data_raw,
1743         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1744         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1745         * dwarf2out.c (output_cfi, output_cfi_directive,
1746         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1747         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1748         Ditto.
1749         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1750         * print-rtl.c (print_rtx): Ditto.
1751
1752 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1753
1754         PR middle-end/42694
1755         * builtins.c (expand_builtin_pow_root): New function to expand pow
1756         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1757         series of sqrt and cbrt calls under -ffast-math.
1758         (expand_builtin_pow): Call it.
1759
1760 2010-04-14  Michael Matz  <matz@suse.de>
1761
1762         PR tree-optimization/42963
1763         * tree-cfg.c (touched_switch_bbs): New static variable.
1764         (group_case_labels_stmt): New function broken out from ...
1765         (group_case_labels): ... here, use the above.
1766         (start_recording_case_labels): Allocate touched_switch_bbs.
1767         (end_recording_case_labels): Deallocate it, call
1768         group_case_labels_stmt.
1769         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1770
1771 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1772
1773         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1774         from insn template.
1775
1776 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1777
1778         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1779
1780 2010-04-13  Jan Hubicka  <jh@suse.cz>
1781
1782         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1783         of optimized out static functions.
1784         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1785         cost computation.  Also sanity check for overflows.
1786         (update_caller_keys): Update cgraph_edge_badness call; properly
1787         update fibheap and sanity check that it is up to date.
1788         (add_new_edges_to_heap): Update cgraph_edge_badness.
1789         (cgraph_decide_inlining_of_small_function): Likewise;
1790         add sanity checking that badness in heap is up to date;
1791         improve dumping of reason; Update badness of calls to the
1792         offline copy of function currently inlined; dump badness
1793         of functions not inlined because of unit growth limits.
1794
1795 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1796
1797         PR middle-end/32628
1798         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1799         because of sign-extension change when converting to sizetype here...
1800         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1801
1802         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1803         the folding to constants.  Remove redundant final conversion.
1804         (fold_binary) <associate>: Do not associate if the re-association of
1805         constants alone overflows.
1806         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1807         to the end of the list.
1808         (multiple_of_p) <COND_EXPR>: New case.
1809
1810 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1811
1812         * opt-functions.awk (opt_sanitized_name): New.
1813         (opt_enum): New.
1814         * optc-gen.awk: Use it
1815         * opth-gen.awk: Use it.
1816
1817 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1818
1819         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1820         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1821         children.  Call replace_uses_with_default_def_ssa_name to handle
1822         SSA_NAES on lhs.
1823
1824 2010-04-13  Michael Matz  <matz@suse.de>
1825
1826         PR middle-end/43730
1827         * builtins.c (expand_builtin_interclass_mathfn): Also create
1828         a register if the predicate doesn't match.
1829
1830 2010-04-13  Diego Novillo  <dnovillo@google.com>
1831
1832         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1833         * c-pch.c: Include timevar.h.
1834         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1835         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1836         * ggc-common.c: Include timevar.h.
1837         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1838         * timevar.def (TV_PCH_SAVE): Define.
1839         (TV_PCH_CPP_SAVE): Define.
1840         (TV_PCH_PTR_REALLOC): Define.
1841         (TV_PCH_PTR_SORT): Define.
1842         (TV_PCH_RESTORE): Define.
1843         (TV_PCH_CPP_RESTORE): Define.
1844
1845 2010-04-13  Michael Matz  <matz@suse.de>
1846
1847         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1848         into MINUS_EXPRs.
1849         (can_reassociate_p): New function.
1850         (break_up_subtract_bb, reassociate_bb): Use it.
1851
1852 2010-04-13  Richard Guenther  <rguenther@suse.de>
1853
1854         PR bootstrap/43737
1855         * builtins.c (c_readstr): Fix assert.
1856
1857 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1858
1859         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1860         when generating cltd insn.
1861
1862         (*ashl<mode>3_1): Remove special handling for register operand 2.
1863         (*ashlsi3_1_zext): Ditto.
1864         (*ashlhi3_1): Ditto.
1865         (*ashlhi3_1_lea): Ditto.
1866         (*ashlqi3_1): Ditto.
1867         (*ashlqi3_1_lea): Ditto.
1868         (*<shiftrt_insn><mode>3_1): Ditto.
1869         (*<shiftrt_insn>si3_1_zext): Ditto.
1870         (*<shiftrt_insn>qi3_1_slp): Ditto.
1871         (*<rotate_insn><mode>3_1): Ditto.
1872         (*<rotate_insn>si3_1_zext): Ditto.
1873         (*<rotate_insn>qi3_1_slp): Ditto.
1874
1875 2010-04-13  Richard Guenther  <rguenther@suse.de>
1876
1877         * tree-ssa-structalias.c (callused_id): Remove.
1878         (call_stmt_vars): New.
1879         (get_call_vi): Likewise.
1880         (lookup_call_use_vi): Likewise.
1881         (lookup_call_clobber_vi): Likewise.
1882         (get_call_use_vi): Likewise.
1883         (get_call_clobber_vi): Likewise.
1884         (make_transitive_closure_constraints): Likewise.
1885         (handle_const_call): Adjust to do per-call call-used handling.
1886         (handle_pure_call): Likewise.
1887         (find_what_var_points_to): Remove general callused handling.
1888         (init_base_vars): Likewise.
1889         (init_alias_vars): Initialize call_stmt_vars.
1890         (compute_points_to_sets): Process call-used and call-clobbered
1891         vars for call statements.
1892         (delete_points_to_sets): Free call_stmt_vars.
1893
1894 2010-04-13  Richard Guenther  <rguenther@suse.de>
1895
1896         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1897         Only add RW dependence for dependence distance zero.
1898         Adjust maximal vectorization factor according to dependences.
1899         Move alignment handling ...
1900         (vect_find_same_alignment_drs): ... here.  New function.
1901         (vect_analyze_data_ref_dependences): Adjust.
1902         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1903         (vect_analyze_data_refs): Adjust minimal vectorization factor
1904         according to data references.
1905         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1906         dependences before determining the vectorization factor.
1907         Analyze alignment after determining the vectorization factor.
1908         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1909         dependences before alignment.
1910         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1911         Adjust prototype.
1912         (vect_analyze_data_refs): Likewise.
1913         (MAX_VECTORIZATION_FACTOR): New define.
1914
1915 2010-04-13  Duncan Sands  <baldrick@free.fr>
1916
1917         * except.h (lang_eh_type_covers): Remove.
1918         * except.c (lang_eh_type_covers): Likewise.
1919
1920 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1921             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1922
1923         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1924         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1925         UNITS_PER_LONG where it is ABI relevant.
1926         (s390_return_addr_rtx): Likewise.
1927         (s390_back_chain_rtx): Likewise.
1928         (s390_frame_area): Likewise.
1929         (s390_frame_info): Likewise.
1930         (s390_initial_elimination_offset): Likewise.
1931         (save_gprs): Likewise.
1932         (s390_emit_prologue): Likewise.
1933         (s390_emit_epilogue): Likewise.
1934         (s390_function_arg_advance): Likewise.
1935         (s390_function_arg): Likewise.
1936         (s390_va_start): Likewise.
1937         (s390_gimplify_va_arg): Likewise.
1938         (s390_function_profiler): Likewise.
1939         (s390_optimize_prologue): Likewise.
1940         (s390_rtx_costs): Likewise.
1941         (s390_secondary_reload): Likewise.
1942         (s390_promote_function_mode): Likewise.
1943         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1944         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1945         registers available.
1946         (s390_unwind_word_mode): New function.
1947         (s390_function_value): Split 64 bit values into register pair if
1948         used as return value.
1949         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1950         function call parameters.  Handle parallels.
1951         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1952         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1953         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1954         (s390_expand_setmem): Remove unused variable src_addr.
1955         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1956         deal with 64 bit registers.
1957         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1958         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1959         (UNITS_PER_LONG): New macro.
1960         * libjava/include/s390-signal.h: Define extended ucontext
1961         structure containing the upper halfs of the 64 bit registers.
1962
1963 2010-04-13  Simon Baldwin  <simonb@google.com>
1964
1965         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1966
1967 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1968
1969         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1970         rvalue on the RHS if the LHS is of a non-renamable type.
1971         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1972
1973 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1974
1975         * gcc.c (cc1_options): Handle -iplugindir before processing
1976         the cc1 spec. Only add -iplugindir once.
1977         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1978         found.
1979         * common.opt (iplugindir): Remove `Separate' property, initialize.
1980         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1981         option.
1982         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1983         (distclean): Remove plugin dir.
1984         * doc/invoke.texi: Document -iplugindir.
1985
1986 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1987
1988         * doc/plugins.texi (Loading Plugins): Document short
1989         -fplugin=foo option.
1990         (Plugin API): Mention default_plugin_dir_name function.
1991
1992         * gcc.c (find_file_spec_function): Add new declaration.
1993         (static_spec_func): Use it for "find-file".
1994         (find_file_spec_function): Add new function.
1995         (cc1_options): Add -iplugindir option if -fplugin* options found.
1996
1997         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1998
1999         * plugin.c (add_new_plugin): Updated comment, and handle short
2000         plugin name.
2001         (default_plugin_dir_name): Added new function.
2002
2003         * common.opt (iplugindir): New option to set the plugin directory.
2004
2005 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2006
2007         * config/i386/i386.md (any_rotate): New code iterator.
2008         (rotate_insn): New code attribute.
2009         (rotate): Ditto.
2010         (SWIM124): New mode iterator.
2011         (<rotate_insn>ti3): New expander.
2012         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2013         any_rotate code iterator.
2014         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2015         using any_rotate code iterator and SWIM124 mode iterator.
2016         (ix86_rotlti3): New insn_and_split pattern.
2017         (ix86_rotrti3): Ditto.
2018         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2019         ix86_rotl{di,ti}3 patterns.
2020         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2021         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2022         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2023         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2024         code iterator and SWI mode iterator.
2025         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2026         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2027         code iterator.
2028         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2029         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2030         (bswap rotatert splitter): Add splitter.
2031         (bswap splitter): Macroize splitter using any_rotate code iterator.
2032         Add insn predicate to split only for TARGET_USE_XCHGB or when
2033         optimizing function for size.
2034
2035 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2036
2037         * config/pa/pa.c (emit_move_sequence): Remove use of
2038         deleted variable flag_argument_noalias.
2039
2040 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2041
2042         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2043         configurations.
2044         Add to unsupported targets list.
2045         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2046         sparc*-sun-solaris2.[567]* from target lists.
2047         * configure: Regenerate.
2048         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2049         removal.
2050         Remove Solaris 7 patch references.
2051         (Specific, sparc-sun-solaris2.7): Removed.
2052         (sparc-sun-solaris2*): Update Solaris 7 example.
2053         (sparc64-*-solaris2*): Likewise.
2054
2055 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2056
2057         * config.build (alpha*-dec-osf4*): Remove.
2058         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2059         of obsolete configurations.
2060         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2061         support.
2062         * config/alpha/t-osf4: Renamed to ...
2063         * config/alpha/t-osf5: ... this.
2064         * config/alpha/osf.h: Renamed to ...
2065         * config/alpha/osf5.h: ... this.
2066         Merged old osf5.h contents.
2067         Update comments.
2068         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2069         (EXTRA_SPECS): Removed.
2070         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2071         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2072         Document that.
2073
2074 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2075
2076         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2077
2078 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2079
2080         PR/43702
2081         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2082         __thiscall convention.
2083
2084 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2085
2086         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2087         orig_base.
2088         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2089
2090 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2091
2092         * function.c (assign_parms_initialize_all): Add unused attribute
2093         to fntype.
2094
2095 2010-04-12  Richard Guenther  <rguenther@suse.de>
2096
2097         * gsstruct.def (GSS_CALL): New.
2098         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2099         * gimple.h: Include tree-ssa-alias.h.
2100         (struct gimple_statement_call): New.
2101         (union gimple_statement_struct_d): Add gimple_call member.
2102         (gimple_call_reset_alias_info): Declare.
2103         (gimple_call_use_set): New function.
2104         (gimple_call_clobber_set): Likewise.
2105         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2106         * gimple.c (gimple_call_reset_alias_info): New function.
2107         (gimple_build_call_1): Call it.
2108         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2109         * tree-inline.c (remap_gimple_stmt): Likewise.
2110         (expand_call_inline): Remove callused handling.
2111         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2112         * tree-dfa.c (dump_variable): Likewise.
2113         * tree-parloops.c (parallelize_loops): Likewise.
2114         * tree-ssa.c (init_tree_ssa): Likewise.
2115         (delete_tree_ssa): Likewise.
2116         * tree-flow-inline.h (is_call_used): Remove.
2117         * tree-flow.h (struct gimple_df): Remove callused member.
2118         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2119         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2120         (ref_maybe_used_by_call_p_1): Simplify.
2121         (call_may_clobber_ref_p_1): Likewise.
2122         * tree-ssa-structalias.c (compute_points_to_sets): Set
2123         the call stmt used and clobbered sets.
2124         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2125         (find_tail_calls): Verify the tail call.
2126
2127 2010-04-12  Richard Guenther  <rguenther@suse.de>
2128
2129         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2130         single-iteration always-inline inlining.
2131         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2132         (cgraph_decide_inlining): Do not handle always-inline specially.
2133         (try_inline): Remove always-inline cycle detection special case.
2134         Do not recurse on always-inlines.
2135         (cgraph_early_inlining): Do not iterate if not optimizing.
2136         (cgraph_gate_early_inlining): remove.
2137         (pass_early_inline): Run unconditionally.
2138         (gate_cgraph_decide_inlining): New function.
2139         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2140         not inlining or optimizing.
2141         (cgraph_decide_inlining_of_small_functions): Also consider
2142         always-inline functions.
2143         (cgraph_default_inline_p): Return true for nodes which should
2144         disregard inline limits.
2145         (estimate_function_body_sizes): Assume zero size and time for
2146         nodes which are marked as disregarding inline limits.
2147         (cgraph_decide_recursive_inlining): Do not perform recursive
2148         inlining on always-inline nodes.
2149
2150 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2151
2152         PR bootstrap/43699
2153         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2154         for exprs satisfying handled_component_p.
2155
2156 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2157
2158         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2159         non-constant aggregate elements.
2160
2161         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2162         is a real initialization.
2163
2164 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2165
2166         PR c/36774
2167         * c-decl.c (start_function): Move forward check for nested function.
2168
2169 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2170
2171         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2172         * config/sh/sh.c: Include reload.h.
2173         (sh_legitimize_reload_address): New.
2174         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2175         sh_legitimize_reload_address.
2176
2177 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2178
2179         * config/sh/sh.md (*movqi_pop): New insn pattern.
2180         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2181
2182 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2183
2184         * config/i386/i386.md (any_shiftrt): New code iterator.
2185         (shiftrt_insn): New code attribute.
2186         (shiftrt): Ditto.
2187         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2188         using any_shiftrt code iterator.
2189         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2190         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2191         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2192         pattern from corresponding peephole2 patterns.
2193         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2194         using any_shiftrt code iterator.
2195         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2196         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2197         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2198         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2199         *{ashr,lshr}<mode>3_cmp_zext.
2200         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2201
2202 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2203
2204         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2205         scratch register.
2206         (*lshr<mode>3_cconly): Ditto.
2207
2208 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2209
2210         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2211         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2212         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2213         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2214         DWI mode iterator.
2215         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2216         from corresponding peephole2 patterns.
2217         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2218         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2219         and *lshrdi3_1_rex64 using SWI mode iterator.
2220         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2221         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2222         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2223         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2224         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2225         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2226         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2227         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2228         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2229         SWI mode iterator.
2230
2231 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2232
2233         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2234         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2235         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2236         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2237         DWI mode iterator.
2238         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2239         from corresponding peephole2 patterns.
2240         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2241         (ashrsi3_cvt): Rename from ashrsi3_31.
2242         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2243         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2244         and x86_64_shift_adj_3 using SWI48 mode iterator.
2245         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2246         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2247         and *ashrdi3_1_rex64 using SWI mode iterator.
2248         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2249         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2250         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2251         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2252         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2253         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2254         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2255         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2256         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2257         SWI mode iterator.
2258         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2259         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2260         x86_shift<mode>_adj_3 expanders.
2261
2262 2010-04-10  Wei Guozhi  <carrot@google.com>
2263
2264         PR target/42601
2265         * config/arm/arm.c (arm_pic_static_addr): New function.
2266         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2267         a static symbol.
2268         (arm_output_addr_const_extra): Output expression for new pattern.
2269         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2270
2271 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2272
2273         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2274         not enabled.
2275
2276         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2277         * web.c: Include "insn-config.h" and "recog.h".
2278         (union_match_dups): New function.
2279         (web_main): Call it.
2280         (union_defs): Don't try to recognize match_dups.
2281
2282         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2283         if doing so would replace the entire pattern.
2284
2285 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2286
2287         PR target/43707
2288         PR target/43709
2289         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2290         and splitter pattern.  Change splitter operand 1 predicate to
2291         nonmemory_operand.
2292
2293 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2294
2295         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2296         lattices are addresses of CONST_DECLs with the same initial value.
2297         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2298         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2299
2300 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2301             Bernd Schmidt  <bernds@codesourcery.com>
2302
2303         * loop-invariant.c (replace_uses): New static function.
2304         (move_invariant_reg): Use it to ensure we can replace the uses.
2305
2306 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2307
2308         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2309         function template.
2310         (picochip_override_options): Enable section anchors only above -O1.
2311         (picochip_reorg): Fixed a couple of build warnings.
2312
2313 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2314
2315         * configure.ac (plugin -rdynamic test): Log result.
2316         * configure: Regenerate.
2317         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2318         (RDYNAMIC_SPEC): Define.
2319         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2320
2321 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2322
2323         * configure.ac: Determine Sun ld version numbers.
2324         (comdat_group): Restrict GNU ld version checks to gld.
2325         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2326         (enable_comdat): Support --enable-comdat.
2327         * configure: Regenerate.
2328         * doc/install.texi (Configuration): Document --enable-comdat.
2329
2330 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2331
2332         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2333         * config/sol2-gld.h: ... here.
2334         * config.gcc (sparc*-*-solaris2*): Reflect this.
2335         (i[34567]86-*-solaris2*): Use it.
2336
2337 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2338
2339         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2340         setup_clocks_p.
2341         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2342
2343 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2344
2345         PR 42965
2346         * diagnostic.c (diagnostic_initialize): Initialize
2347         some_warnings_are_errors.
2348         (diagnostic_finish): New.
2349         (diagnostic_action_after_output): Call it before exiting.
2350         (diagnostic_report_diagnostic): Do not print message here. Set
2351         some_warnings_are_errors.
2352         * diagnostic.h (diagnostic_context): Delete
2353         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2354         (diagnostic_finish): Declare.
2355         * toplev.c (toplev_main): Call it before exit.
2356
2357 2010-04-09  Jason Merrill  <jason@redhat.com>
2358
2359         PR c++/42623
2360         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2361         for incomplete type.
2362
2363         PR c++/41788
2364         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2365         based on a warning flag.
2366
2367 2010-04-09  Richard Guenther  <rguenther@suse.de>
2368
2369         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2370
2371 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2372
2373         PR bootstrap/43684
2374         * varasm.c (default_assemble_visibility): Wrap vars that are
2375         set, but unused, by targets without GAS.
2376         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2377         Remove set, but unused, vars.
2378         (rs6000_legitimize_tls_address): Likewise.
2379         (altivec_expand_dst_builtin): Likewise.
2380         * config/darwin.c (machopic_classify_symbol): Likewise.
2381         (machopic_indirection_name): Likewise.
2382
2383 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2384
2385         * config/i386/i386.md (DWI): New mode iterator.
2386         (S): New mode attribute.
2387         (shift_operand): Ditto.
2388         (shift_immediate_operand): Ditto.
2389         (ashl_input_operand): Ditto.
2390         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2391         using SDWIM mode iterator.
2392         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2393         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2394         DWI mode iterator.
2395         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2396         from corresponding peephole2 patterns.
2397         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2398         and x86_64_shift_adj_1 using SWI48 mode iterator.
2399         (x86_shift<mode>_adj_2): Ditto.
2400         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2401         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2402         using SWI48 mode iterator.
2403         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2404         *ashldi3_cmp_rex64 using SWI mode iterator.
2405         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2406         *ashldi3_cconly_rex64 using SWI mode iterator.
2407         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2408         x86_shift<mode>_adj_{1,2}.
2409         (ix86_split_ashr): Ditto.
2410         (ix86_split_lshr): Ditto.
2411
2412 2010-04-09  Richard Guenther  <rguenther@suse.de>
2413
2414         * target.h (builtin_conversion): Pass in input and output types.
2415         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2416         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2417         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2418         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2419
2420         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2421         Handle AVX modes.
2422         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2423
2424 2010-04-09  Richard Guenther  <rguenther@suse.de>
2425
2426         PR target/43152
2427         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2428
2429 2010-04-09  Richard Guenther  <rguenther@suse.de>
2430
2431         * tree-vectorizer.h (struct _stmt_vec_info): Document
2432         that vectype is the type of the LHS.
2433         (supportable_widening_operation, supportable_narrowing_operation):
2434         Get both input and output vector types as arguments.
2435         (vect_is_simple_use_1): Declare.
2436         (get_same_sized_vectype): Likewise.
2437         * tree-vect-loop.c (vect_determine_vectorization_factor):
2438         Set STMT_VINFO_VECTYPE to the vector type of the def.
2439         (vectorizable_reduction): Adjust.
2440         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2441         Adjust.  Specify the output vector type.
2442         (vect_pattern_recog_1): Adjust.
2443         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2444         (vectorizable_call): Adjust.
2445         (vectorizable_conversion): Likewise.
2446         (vectorizable_operation): Likewise.
2447         (vectorizable_type_demotion): Likewise.
2448         (vectorizable_type_promotion): Likewise.
2449         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2450         the def.
2451         (vect_is_simple_use_1): New function.
2452         (supportable_widening_operation): Get both input and output
2453         vector types.
2454         (supportable_narrowing_operation): Likewise.
2455         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2456
2457 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2458
2459         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2460         __thiscall and _thiscall as predefined macros.
2461         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2462         thiscall attribute handling.
2463         (ix86_comp_type_attributes): Likewise.
2464         (ix86_function_regparm): Likewise.
2465         (ix86_return_pops_args): Likewise.
2466         (init_cumulative_args): Likewise.
2467         (find_drap_reg): Likewise.
2468         (ix86_static_chain): Likewise.
2469         (x86_this_parameter): Likewise.
2470         (x86_output_mi_thunk): Likewise.
2471         (ix86_attribute_table): Add description for thiscall attribute.
2472         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2473         * doc/extend.texi: Add documentation for thiscall.
2474
2475 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2476
2477         PR c++/28584
2478         * c.opt (Wint-to-pointer-cast): Available in C++.
2479         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2480
2481 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2482
2483         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2484         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2485         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2486         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2487         function type instead.  Reorder and simplify checks.
2488
2489         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2490
2491 2010-04-08  Jing Yu  <jingyu@google.com>
2492             Zdenek Dvorak  <ook@ucw.cz>
2493
2494         PR tree-optimization/42720
2495         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2496         loop unswitch conditions here from ...
2497         (tree_unswitch_single_loop): ... here.
2498
2499 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2500
2501         * tree-if-conv.c: Fix comments and simplify logic.
2502
2503 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2504
2505         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2506         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2507         (main_tree_if_conversion): Update call to tree_if_conversion.
2508
2509 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2510
2511         PR 42485
2512         * doc/invoke.texi (-b,-V): Delete.
2513         * doc/tm.texi: Do not mention -b.
2514         * gcc.c (display_help): Delete -b and -V.
2515         (process_command): Delete -b and -V.
2516         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2517
2518 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2519             Wolfgang Gellerich  <gellerich@de.ibm.com>
2520
2521         Implement target hook for loop unrolling
2522         * target.h (loop_unroll_adjust): Add a new target hook function.
2523         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2524         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2525         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2526         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2527         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2528         target hook.
2529         (decide_unroll_stupid): Likewise.
2530
2531 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2532
2533         PR target/43643
2534         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2535
2536 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2537
2538         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2539         (Specific, *-*-solaris2*): Likewise.
2540         Don't prefer Sun as over GNU as.
2541
2542 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2543
2544         * config/s390/s390.c (override_options): Adjust the z10
2545           defaults for max-unroll-times, max-completely-peeled-insns
2546           and max-completely-peel-times.
2547
2548 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2549
2550         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2551         instructions for z10.
2552         (s390_expand_setmem): Likewise.
2553         (s390_expand_cmpmem): Likewise.
2554
2555 2010-04-08  Richard Guenther  <rguenther@suse.de>
2556
2557         PR tree-optimization/43679
2558         * tree-ssa-pre.c (eliminate): Only propagate copies.
2559
2560 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2561
2562         PR bootstrap/43681
2563         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2564         set but not used variable warning.
2565
2566 2010-04-08  Wei Guozhi  <carrot@google.com>
2567
2568         PR target/41653
2569         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2570         (arm_size_rtx_costs): Call the new function when optimized for size.
2571
2572 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2573
2574         PR debug/43670
2575         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2576         op0 is not a MEM, just return NULL instead of assertion
2577         failure.
2578         (discover_nonconstant_array_refs): Don't walk debug stmts.
2579
2580 2010-04-08  Doug Kwan  <dougkwan@google.com>
2581
2582         * configure.ac: Recognize gold and do not use its version number
2583         to test ld features.
2584         * configure: Regenerate.
2585
2586 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2587
2588         PR middle-end/40815
2589         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2590         (negate_value): Move code to push elements to broken_up_substracts ...
2591         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2592         negative pair to plus_negates.
2593         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2594
2595 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2596
2597         * doc/install.texi (Configuration): Move description of
2598         --enable-lto, --with-libelf*, --enable-gold from Java section to
2599         general section.
2600
2601         * doc/generic.texi (Working with declarations)
2602         (Function Properties, C and C++ Trees): Fix typos.
2603         * doc/sourcebuild.texi (Top Level): Likewise.
2604
2605 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2606
2607         PR c/18624
2608         * tree.h (DECL_READ_P): Define.
2609         (struct tree_decl_common): Add decl_read_flag.
2610         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2611         a set but not used warning.
2612         (merge_decls): Merge DECL_READ_P flag.
2613         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2614         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2615         * c-common.c (handle_used_attribute, handle_unused_attribute):
2616         Likewise.
2617         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2618         New prototypes.
2619         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2620         New functions.
2621         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2622         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2623         c_parser_binary_expression, c_parser_cast_expression,
2624         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2625         Call default_function_array_read_conversion instead of
2626         default_function_array_conversion where needed.
2627         (c_parser_unary_expression, c_parser_conditional_expression,
2628         c_parser_postfix_expression_after_primary, c_parser_initelt):
2629         Likewise.  Call mark_exp_read where needed.
2630         (c_parser_statement_after_labels, c_parser_asm_operands,
2631         c_parser_typeof_specifier, c_parser_sizeof_expression,
2632         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2633         where needed.
2634         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2635         New.
2636         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2637         (warn_unused_but_set_parameter): Default to warn_unused
2638         && extra_warnings.
2639         * doc/invoke.texi: Document -Wunused-but-set-variable and
2640         -Wunused-but-set-parameter.
2641
2642         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2643         used count variable.
2644         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2645         when operandN variables aren't used in the body of the expander
2646         or splitter.
2647         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2648         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2649         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2650         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2651         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2652         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2653         * tree.c (PROCESS_ARG): Likewise.
2654
2655 2010-04-07  Simon Baldwin  <simonb@google.com>
2656
2657         * diagnostic.h (diagnostic_override_option_index): New macro to
2658         set a diagnostic's option_index.
2659         * c-tree.h (c_cpp_error): Add warning reason argument.
2660         * opts.c (_warning_as_error_callback): New.
2661         (register_warning_as_error_callback): Store callback for
2662         warnings enabled via enable_warning_as_error.
2663         (enable_warning_as_error): Call callback, minor code tidy.
2664         * opts.h (register_warning_as_error_callback): Declare.
2665         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2666         response to -Werror=.
2667         (c_common_init_options): Register warning_as_error_callback in opts.c.
2668         * common.opt: Add -Wno-cpp option.
2669         * c-common.c (struct reason_option_codes_t): Map cpp warning
2670         reason codes to gcc option indexes.
2671         * (c_option_controlling_cpp_error): New function, lookup the gcc
2672         option index for a cpp warning reason code.
2673         * (c_cpp_error): Add warning reason argument, call
2674         c_option_controlling_cpp_error for diagnostic_override_option_index.
2675         * doc/invoke.texi: Document -Wno-cpp.
2676
2677 2010-04-07  Richard Guenther  <rguenther@suse.de>
2678
2679         * ipa-reference.c (mark_load): Use get_base_address.
2680         (mark_store): Likewise.
2681
2682         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2683         inserting GIMPLE_NOPs into the IL.
2684         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2685         Explicitly strip handled components and indirect references.
2686
2687         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2688         folding address expressions.
2689         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2690         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2691         operand_equal_p to compare decls.
2692         (ptr_deref_may_alias_decl_p): Likewise.
2693         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2694         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2695         Handle reversed comparison ops.
2696         * tree-sra.c (asm_visit_addr): Use get_base_address.
2697         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2698         * ipa-reference.c (mark_address): Use get_base_address.
2699
2700 2010-04-07  Richard Guenther  <rguenther@suse.de>
2701
2702         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2703         Propagate constants everywhere.
2704
2705 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR debug/43516
2708         * tree.c (MAX_INT_CACHED_PREC): Define.
2709         (nonstandard_integer_type_cache): New array.
2710         (build_nonstandard_integer_type): Cache results for precision
2711         <= MAX_INT_CACHED_PREC.
2712
2713 2010-04-07  Richard Guenther  <rguenther@suse.de>
2714
2715         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2716         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2717         * common.opt: Likewise.
2718         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2719         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2720         (nonoverlapping_memrefs_p): Likewise.
2721         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2722         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2723         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2724         OPT_fargument_noalias_global for backward compatibility.
2725
2726 2010-04-07  Richard Guenther  <rguenther@suse.de>
2727
2728         PR tree-optimization/43270
2729         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2730         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2731         * tree-ssa-pre.c (phi_translate_1): Adjust.
2732         (fully_constant_expression): Split out vn_reference handling to ...
2733         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2734         Fold reads from constant strings.
2735         (vn_reference_lookup): Handle fully constant references.
2736         (vn_reference_lookup_pieces): Likewise.
2737         * Makefile.in (expmed.o-warn): Add -Wno-error.
2738
2739 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2740
2741         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2742
2743 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2744
2745         PR driver/41594
2746         * gcc.c: Add -static-libstdc++ to list of recognized options.
2747
2748 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2749
2750         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2751
2752 2010-04-07  Richard Guenther  <rguenther@suse.de>
2753
2754         PR middle-end/42617
2755         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2756         bases build simple mem attributes to retain points-to information.
2757
2758 2010-04-07  Richard Guenther  <rguenther@suse.de>
2759
2760         PR middle-end/42617
2761         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2762         preserve points-to related information.
2763
2764 2010-04-07  Richard Guenther  <rguenther@suse.de>
2765
2766         PR middle-end/42617
2767         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2768         discard plain indirect references.
2769         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2770         * tree.c (tree_nop_conversion): Likewise.
2771
2772 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2773
2774         PR debug/43628
2775         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2776
2777 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2778
2779         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2780         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2781
2782 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2783
2784         * tree-if-conv.c: Fix indentation and comments.
2785
2786 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2787
2788         * tree-if-conv.c: Sort static functions in topological order.
2789
2790 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * tree-if-conv.c: Fix indentation and comments.
2793
2794 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         PR middle-end/43519
2797         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2798         lang_hooks.types.type_for_size instead of
2799         build_nonstandard_integer_type.
2800         When converting an unsigned type to signed, double its precision.
2801         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2802         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2803         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2804         use lb <= ub.
2805
2806 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         PR middle-end/43519
2809         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2810         POINTER_PLUS_EXPR for pointer types.
2811
2812 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2813
2814         PR middle-end/43519
2815         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2816         * graphite-clast-to-gimple.c: Include langhooks.h.
2817         (max_signed_precision_type): New.
2818         (max_precision_type): Takes two types as arguments.
2819         (precision_for_value): New.
2820         (precision_for_interval): New.
2821         (gcc_type_for_interval): New.
2822         (gcc_type_for_value): New.
2823         (gcc_type_for_clast_term): New.
2824         (gcc_type_for_clast_red): New.
2825         (gcc_type_for_clast_bin): New.
2826         (gcc_type_for_clast_expr): Split up into several functions.
2827         (gcc_type_for_clast_eq): Rewritten.
2828         (compute_bounds_for_level): New.
2829         (compute_type_for_level_1): New.
2830         (compute_type_for_level): New.
2831         (gcc_type_for_cloog_iv): Removed.
2832         (gcc_type_for_iv_of_clast_loop): Rewritten.
2833         (graphite_create_new_loop): Compute the lower and upper bound types
2834         with gcc_type_for_clast_expr.
2835         (graphite_create_new_loop_guard): Same.
2836         (find_cloog_iv_in_expr): Removed.
2837         (compute_cloog_iv_types_1): Removed.
2838         (compute_cloog_iv_types): Removed.
2839         (gloog): Do not call compute_cloog_iv_types.
2840         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2841         GBB_CLOOG_IV_TYPES.
2842         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2843         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2844         (GBB_CLOOG_IV_TYPES): Removed.
2845
2846 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2847
2848         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2849         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2850         (detect_commutative_reduction): Same.
2851
2852 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2853
2854         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2855         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2856         argument.
2857         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2858         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2859         (rewrite_commutative_reductions_out_of_ssa): Same.
2860         * passes.c (execute_function_todo): Call verify_ssa for every pass
2861         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2862         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2863         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2864         with an extra argument.
2865         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2866         verify_ssa only when the extra argument is true.
2867         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2868         with an extra argument.
2869         (tree_transform_and_unroll_loop): Same.
2870
2871 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2872
2873         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2874         for all the passes of the LNO having LOOP_CLOSED_SSA.
2875         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2876         * tree-loop-distribution.c (pass_loop_distribution): Same.
2877         * tree-pass.h (TODO_verify_loops): Removed.
2878         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2879         (pass_lim): Same.
2880         (pass_tree_unswitch): Same.
2881         (pass_predcom): Same.
2882         (pass_vectorize): Same.
2883         (pass_linear_transform): Same.
2884         (pass_graphite_transforms): Same.
2885         (pass_iv_canon): Same.
2886         (pass_complete_unroll): Same.
2887         (pass_complete_unrolli): Same.
2888         (pass_parallelize_loops): Same.
2889         (pass_loop_prefetch): Same.
2890         (pass_iv_optimize): Same.
2891
2892 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2893
2894         PR middle-end/32824
2895         * passes.c (init_optimization_passes): Move pass_lim before
2896         pass_copy_prop and pass_dce_loop.
2897
2898 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2899
2900         PR target/43667
2901         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2902         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2903         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2904         MULTI_* defines for 4 argument vpermil2p* builtins.
2905
2906 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2907
2908         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2909         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2910         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2911         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2912         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2913         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2914         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2915         Use x86_maybe_negate_const_int to output insn mnemonic.
2916         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2917         check from instruction predicate.  Update comments.
2918         * config/i386/sync.md (sync_add<mode>): Use
2919         x86_maybe_negate_const_int to output insn mnemonic.
2920
2921 2010-04-06  Jan Hubicka  <jh@suse.cz>
2922
2923         PR tree-optimization/42906
2924         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2925         IGNORE_SELF argument.  Set visited_control_parents for fully
2926         processed BBs.
2927         (find_obviously_necessary_stmts): Update call of
2928         mark_control_dependent_edges_necessary.
2929         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2930
2931 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2932
2933         * config/i386/i386.md: Remove comment about 'e' and 'E'
2934         operand modifier.
2935
2936 2010-04-06  Richard Guenther  <rguenther@suse.de>
2937
2938         PR tree-optimization/43627
2939         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2940         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2941         not varying.
2942
2943 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2944
2945         * BASE-VER: Change to 4.6.0.
2946
2947         PR target/43638
2948         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2949         handling.
2950
2951 2010-04-06  Richard Guenther  <rguenther@suse.de>
2952
2953         PR middle-end/43661
2954         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2955
2956 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2957
2958         * doc/invoke.texi (Optimize Options): Document that LTO
2959         won't remove object access purely due to incompatible
2960         declarations.
2961
2962 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2963
2964         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2965         Initialize variable.
2966
2967 2010-04-03  Richard Guenther  <rguenther@suse.de>
2968
2969         PR middle-end/42509
2970         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2971         require a non-NULL MEM_OFFSET.
2972
2973 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2974
2975         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2976         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2977         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2978         config/alpha/predicates.md, config/arm/arm.md,
2979         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2980         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2981         config/darwin9.h, config/darwin.c, config/darwin.h,
2982         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2983         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2984         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2985         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2986         config/mips/mips.md, config/mn10300/mn10300.c,
2987         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2988         config/rs6000/aix.h, config/rs6000/dfp.md,
2989         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2990         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2991         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2992         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2993         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2994         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2995         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2996         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2997         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2998         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2999         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3000         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3001         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3002         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3003         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3004         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3005         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3006         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3007         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3008         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3009         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3010         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3011         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3012         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3013         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3014         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3015         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3016         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3017         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3018         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3019         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3020         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3021         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3022         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3023         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3024         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3025
3026 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3027
3028         PR other/43620
3029         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3030         * aclocal.m4: Regenerate.
3031
3032 2010-04-02  Richard Guenther  <rguenther@suse.de>
3033
3034         PR tree-optimization/43629
3035         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3036         if we have seen a constant value.
3037
3038 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3039
3040         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3041
3042 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3043
3044         PR target/43469
3045         * arm.c (legitimize_tls_address): Adjust call to
3046         gen_tls_load_dot_plus_four.
3047         (arm_note_pic_base): New function.
3048         (arm_cannot_copy_insn_p): Use it.
3049         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3050         constraint.
3051
3052 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3053
3054         PR bootstrap/43531
3055
3056         Revert:
3057         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3058
3059         * Makefile.in ($(out_object_file)): Depend on
3060         gt-$(basename $(notdir $(out_file))).h.
3061
3062 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3063
3064         * config.gcc (lm32-*-rtems*): Add t-lm32.
3065
3066 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3067
3068         * config.gcc: Add lm32-*-rtems*.
3069         * config/lm32/rtems.h: New file.
3070
3071 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3072
3073         PR target/42609
3074         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3075
3076 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3077
3078         * dwarf2out.c (output_compilation_unit_header): For
3079         -gdwarf-4 use version 4 instead of version 3.
3080         (output_line_info): For version 4 and above emit additional
3081         maximum ops per insn header field.
3082         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3083
3084         * dwarf2out.c (is_c_family, is_java): Remove.
3085         (lower_bound_default): New function.
3086         (add_bound_info, gen_descr_array_type_die): Use it.
3087
3088 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3089
3090         PR debug/43325
3091         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3092         re-declaration when it happens in a function.
3093
3094 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3095
3096         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3097         (cgraph_remove_function_insertion_hook): Same.
3098         (cgraph_call_function_insertion_hooks): Same.
3099
3100 2010-04-01  Richard Guenther  <rguenther@suse.de>
3101
3102         PR middle-end/43614
3103         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3104         and TREE_THIS_VOLATILE.
3105         (copy_ref_info): Likewise.
3106         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3107         * tree.c (build6_stat): Ignore side-effects of all but arg5
3108         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3109         TARGET_MEM_REF.
3110
3111 2010-04-01  Richard Guenther  <rguenther@suse.de>
3112
3113         PR tree-optimization/43607
3114         * ipa-type-escape.c (check_call): Do not access non-existing
3115         arguments.
3116
3117 2010-04-01  Richard Guenther  <rguenther@suse.de>
3118
3119         PR middle-end/43602
3120         Revert
3121         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3122                     Jack Howarth <howarth@bromo.med.uc.edu>
3123
3124         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3125         variables TLS.
3126
3127 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3128
3129         * doc/install.texi (Prerequisites): Document libelf usability on
3130         IRIX 5/6 and Solaris 2.
3131         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3132         Update GNU as, GNU ld requirements.
3133         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3134         Document Sun Studio compiler download.
3135         Update and simplify as, ld recommendations.
3136         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3137
3138 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3139
3140         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3141         with_tune_32 to pentium4.
3142
3143 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3144
3145         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3146
3147 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3148
3149         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3150         obsoletion, removal.
3151         Update IDO URL.
3152         Document GNU as requirement.
3153         Update configure requirements.
3154         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3155         Recomment IRIX 6.5.18+.
3156         Document IDF/IDL requirement.
3157         Document GNU as requirement.
3158         Document GNU ld bootstrap failure.
3159         Remove freeware.sgi.com reference.
3160
3161 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3162
3163         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3164         UNIX V4.0, V5.0 obsoletion, removal.
3165         Remove --with-gc=simple reference.
3166         Update VM requirements during bootstrap.
3167         Remove -oldas bootstrap description.
3168         Update binutils reference.
3169         Remove comparison failure note.
3170
3171 2010-03-31  Richard Guenther  <rguenther@suse.de>
3172             Zdenek Dvorak  <ook@ucw.cz>
3173             Sebastian Pop  <sebastian.pop@amd.com>
3174
3175         PR middle-end/43464
3176         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3177         with multiple arguments.
3178         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3179
3180 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3181
3182         * graphite-dependences.c (print_pddr): Call print_pdr with an
3183         extra argument.
3184         * graphite-poly.c (debug_pdr): Add an extra argument for the
3185         verbosity level.
3186         (print_pdr): Same.
3187         (print_pbb_domain): Same.
3188         (print_pbb): Same.
3189         (print_scop_context): Same.
3190         (print_scop): Same.
3191         (print_cloog): Same.
3192         (debug_pbb_domain): Same.
3193         (debug_pbb): Same.
3194         (print_pdrs): Same.
3195         (debug_pdrs): Same.
3196         (debug_scop_context): Same.
3197         (debug_scop): Same.
3198         (debug_cloog): Same.
3199         (print_scop_params): Same.
3200         (debug_scop_params): Same.
3201         (print_iteration_domain): Same.
3202         (print_iteration_domains): Same.
3203         (debug_iteration_domain): Same.
3204         (debug_iteration_domains): Same.
3205         (print_scattering_function): Same.
3206         (print_scattering_functions): Same.
3207         (debug_scattering_function): Same.
3208         (debug_scattering_functions): Same.
3209         * graphite-poly.h (debug_pdr): Update declaration.
3210         (print_pdr): Same.
3211         (print_pbb_domain): Same.
3212         (print_pbb): Same.
3213         (print_scop_context): Same.
3214         (print_scop): Same.
3215         (print_cloog): Same.
3216         (debug_pbb_domain): Same.
3217         (debug_pbb): Same.
3218         (print_pdrs): Same.
3219         (debug_pdrs): Same.
3220         (debug_scop_context): Same.
3221         (debug_scop): Same.
3222         (debug_cloog): Same.
3223         (print_scop_params): Same.
3224         (debug_scop_params): Same.
3225         (print_iteration_domain): Same.
3226         (print_iteration_domains): Same.
3227         (debug_iteration_domain): Same.
3228         (debug_iteration_domains): Same.
3229         (print_scattering_function): Same.
3230         (print_scattering_functions): Same.
3231         (debug_scattering_function): Same.
3232         (debug_scattering_functions): Same.
3233
3234 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         * graphite-poly.c (print_scattering_function_1): New.
3237         (print_scattering_function): Call it.
3238         (print_scop_params): Remove spaces at the end of lines.
3239         (print_cloog): New.
3240         (debug_cloog): New.
3241         * graphite-poly.h (print_cloog): Declared.
3242         (debug_cloog): Declared.
3243
3244 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3247         in loop->header.
3248         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3249         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3250         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3251         to switch between adding the IV bump in loop->latch or in loop->header.
3252
3253 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3254
3255         * graphite-poly.c (print_scattering_function): Pretty print following
3256         the scoplib format.
3257         (print_pdr): Same.
3258         (print_pbb_domain): Same.
3259         (dump_gbb_cases): Same.
3260         (dump_gbb_conditions): Same.
3261         (print_pdrs): Same.
3262         (print_pbb): Same.
3263         (print_scop_params): Same.
3264         (print_scop_context): Same.
3265         (print_scop): Same.
3266         (print_pbb_body): New.
3267         (lst_indent_to): New.
3268         (print_lst): Start new lines with a #.
3269         * graphite-poly.h (pbb_bb): New.
3270         (pbb_index): Use pbb_bb.
3271         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3272         disjuncts.
3273         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3274
3275 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3276
3277         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3278         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3279         and 0 instead of 1 for dw_val_class_flag.
3280         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3281         dw_val_class_range_list, dw_val_class_loc_list,
3282         dw_val_class_lineptr and dw_val_class_macptr, use
3283         DW_FORM_flag_present for dw_val_class_flag and
3284         DW_FORM_exprloc for dw_val_class_loc.
3285         (output_die): For -gdwarf-4 print dw_val_class_loc
3286         size as uleb128 instead of 1 or 2 bytes and don't print
3287         anything for dw_val_class_flag.
3288
3289         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3290         instead of cselib_lookup following by tweaking locs->setting_insn.
3291
3292         PR bootstrap/43596
3293         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3294         even before returning from label, setjmp call or volatile asm
3295         handling.
3296
3297 2010-03-31  Richard Guenther  <rguenther@suse.de>
3298
3299         PR middle-end/43600
3300         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3301         temporary data on stack.
3302
3303 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3304
3305         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3306         (PUSHSECTION_ASM_OP): Remove.
3307         (POPSECTION_ASM_OP): Remove.
3308         (PUSHSECTION_FORMAT): Remove.
3309         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3310         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3311         * config/sol2.c (solaris_output_init_fini): Use it.
3312
3313 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3314
3315         PR 43574
3316         * opt-functions.awk (var_type_struct): Use signed char type
3317         for simple variables.
3318
3319 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3320
3321         * config/sol2.c: Include output.h.
3322         (solaris_assemble_visibility): New function.
3323         * config/t-sol2 (sol2.o): Add output.h dependency.
3324         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3325         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3326         Redefine.
3327
3328 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3329
3330         PR target/43580
3331         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3332         V2SImode or XFmode on PRE_DEC.
3333
3334         PR debug/43557
3335         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3336         BLKmode.
3337
3338 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3339
3340         PR 43562
3341         * reload.h (caller_save_initialized_p): Declare.
3342         * toplev.c (backend_init_target): Don't call
3343         init_caller_save but set caller_save_initialized_p to false.
3344         * caller-save.c (caller_save_initialized_p): Define.
3345         (init_caller_save): Check caller_save_initialized_p.
3346         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3347
3348 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3349
3350         PR target/39048
3351         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3352         and soft-fp/t-softfp to tmake_file.
3353         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3354         (LIBGCC2_TF_CEXT): Define.
3355         (TF_SIZE): Define.
3356
3357 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3358
3359         PR debug/42977
3360         * cselib.c (n_useless_values): Document handling of debug locs.
3361         (n_useless_debug_values, n_debug_values): New variables.
3362         (new_elt_loc_list): Don't add to debug values, keep count.
3363         (promote_debug_loc): New.
3364         (cselib_reset_table): Zero new variables.
3365         (entry_and_rtx_equal_p): Promote debug locs.
3366         (discard_useless_locs): Increment n_useless_debug_values for
3367         debug values.
3368         (remove_useless_values): Adjust n_useless_values and n_debug_values
3369         with n_useless_debug_values.
3370         (add_mem_for_addr): Promote debug locs.
3371         (cselib_lookup_mem): Likewise.
3372         (cselib_lookup_addr): Renamed to...
3373         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3374         (cselib_log_lookup): ... this.  Turn into...
3375         (cselib_lookup_addr): ... new wrapper.
3376         (cselib_lookup_from_insn): New.
3377         (cselib_invalidate_regno): Increment n_useless_debug_values for
3378         debug values.
3379         (cselib_invalidate_mem): Likewise.
3380         (cselib_process_insn): Take n_deleted and n_debug_values into
3381         account to guard remove_useless_value call.
3382         (cselib_finish): Zero n_useless_debug_values.
3383         * cselib.h (cselib_lookup_from_insn): Declare.
3384         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3385         (sched_analyze_2): Likewise.
3386
3387 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3388
3389         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3390         functions.
3391         (adjust_mems): Replace narrowing SUBREG of expression containing
3392         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3393         with operations in the narrower mode.
3394
3395         PR debug/43593
3396         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3397         regs_invalidated_by_call instead all call_used_reg_set registers.
3398
3399 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3400
3401         PR middle-end/43430
3402         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3403         pointer comparisons with types_compatible_p.
3404         * tree-vect-stmts.c (vectorizable_call): Same.
3405         (vectorizable_condition): Same.
3406
3407 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3408
3409         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3410         stack check if the mask would be zero.
3411
3412 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3413             Jack Howarth <howarth@bromo.med.uc.edu>
3414
3415         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3416         variables TLS.
3417
3418 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3419
3420         PR other/25232
3421         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3422         and __unordtf2.
3423         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3424         Include ___unordxf2 and ___unordtf2.
3425         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3426         GCC_4.4.0 here.
3427
3428 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>