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* vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2
3         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
4         placeholder from 0x%x to %#x.
5         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
6         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
7         (ASM_OUTPUT_DEBUG_DATA): Ditto.
8         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
9         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
10         * optc-gen.awk: Ditto.
11         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
12         (HOST_WIDE_INT_PRINT_HEX): Ditto.
13         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
14         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
15         * gcov-dump.c (tag_function): Ditto.
16         (tag_summary): Ditto.
17
18 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
19
20         * target.h (struct calls): Add function_value_regno_p field.
21         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
22         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
23         * targhooks.c (default_function_value_regno_p): New function.
24         * targhooks.h (default_function_value_regno_p): Declare function.
25         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
26         * builtins.c. (apply_result_size): (Ditto.).
27         * combine.c. (likely_spilled_retval_p): (Ditto.).
28         * mode-switching.c. Include 'target.h'.
29         (create_pre_exit): Use function_value_regno_p hook.
30         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
31         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
32         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
33
34         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
35         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
36         (ix86_function_value_regno_p): Declare as static, change argument
37         type to const unsigned int.
38         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
39
40 2010-05-01  Richard Guenther  <rguenther@suse.de>
41
42         PR tree-optimization/43949
43         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
44         types.
45         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
46
47 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
48
49         * rtl.h (CONST_DOUBLE_P): Define.
50         (rtx_to_double_int): Declare.
51         * emit-rtl.c (rtx_to_double_int): New function.
52         * dwarf2out.c (insert_double): New function.
53         (loc_descriptor, add_const_value_attribute): Clean up, use
54         rtx_to_double_int and insert_double functions.
55
56 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
57
58         * doc/extend.texi (Inline): Add missing return keyword to examples.
59         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
60         "command-line".
61
62 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
63
64         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
65         the variable part of the offset as well.  Use highest_pow2_factor for
66         all alignment checks.
67
68 2010-04-30  Richard Guenther  <rguenther@suse.de>
69
70         PR tree-optimization/43879
71         * tree-ssa-structalias.c (type_could_have_pointers): Functions
72         can have pointers.
73
74 2010-04-30  Jan Hubicka  <jh@suse.cz>
75
76         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
77         varpool.
78         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
79
80 2010-04-30  Jan Hubicka  <jh@suse.cz>
81
82         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
83         New.
84         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
85         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
86         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
87         cgraph_node_set_needs_ltrans_p): Remove.
88
89 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
90
91         * sdbout.c: Include vec.h, do not include varray.h.
92         (deferred_global_decls, sdbout_global_decl,
93         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
94         * toplev.c: Do not include varray.h.
95         (dump_memory_report): Do not dump VARRAY statistics.
96         * gengtype.c (open_base_file): Ignore varray.h.
97         * Makefile.in: Update for abovementioned changes.
98         Remove all traces of varray.c and varray.h.
99         * varray.c: Remove file.
100         * varray.h: Remove file.
101
102 2010-04-30  Jan Hubicka  <jh@suse.cz>
103
104         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
105         references.
106
107 2010-04-30  Jan Hubicka  <jh@suse.cz>
108
109         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
110         needed.
111
112 2010-04-30  Richard Guenther  <rguenther@suse.de>
113
114         * tree-ssa-structalias.c (get_constraint_for_1): Generate
115         constraints for CONSTRUCTOR.
116
117 2010-04-30  Richard Guenther  <rguenther@suse.de>
118
119         PR lto/43946
120         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
121         first after all lowering passes.
122
123 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
124
125         * toplev.c: Include varray.h for statistics dumping.
126         * tree.h: Do not declare varray_head_tag.
127         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
128         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
129         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
130         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
131         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
132         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
133         c-common.c, c-common.h, reg-stack.c, basic-block.h,
134         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
135         include varray.h.
136         * Makefile.in: Update for abovementioned changes.
137
138 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
139
140         PR debug/43942
141         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
142
143 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
144
145         * config/picochip/picochip.c (picochip_legitimize_address): Define.
146         Use this function to do machine-specific conversion.
147         (picochip_legitimize_reload_address): Likewise.
148         (picochip_legitimate_address_p): Check valid base register only if
149         strict.
150         (picochip_check_conditional_copy): Check for modw only if opnd is
151         register.
152         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
153         to call the function in c.
154         * config/picochip/picochip-protos.h
155         (picochip_legitimize_reload_address): Define.
156         * config/picochip/picochip.md (supported_compare1): Define.
157
158 2010-04-30  Jan Hubicka  <jh@suse.cz>
159
160         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
161         (cgraph_global_info): Remove inlined.
162         (LTO_cgraph_tag_names): Remove.
163         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
164         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
165         simplify cgraph tags and document.
166         (lto_output_node): Use only LTO_cgraph_unavail_node and
167         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
168         for_functions_valid, global info, process and output flags.
169         (input_overwrite_node): Initialize estimated stack size and
170         estimated growth.  Do not read flags we no longer store.
171         (input_node): Likewise do not read info no longer stored.
172         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
173         flag.
174
175 2010-04-30  Richard Guenther  <rguenther@suse.de>
176
177         PR tree-optimization/43879
178         * tree-ssa-structalias.c (get_constraint_for_1): Properly
179         handle non-zero initializers.
180
181 2010-04-30  Richard Guenther  <rguenther@suse.de>
182
183         * builtins.c (fold_builtin_1): Delete free (0).
184
185 2010-04-29  Jan Hubicka  <jh@suse.cz>
186
187         * gengtype.c (open_base_files): Add lto-streamer.h
188         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
189         (pass_ipa_cp): GGC collect.
190         * toplev. (compile_file): Do not output symbols.
191         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
192         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
193         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
194         * lto-section-in.c: Include ggc.h
195         (lto_new_in_decl_state): Alloc in GGC.
196         (lto_delete_in_decl_state): Likewise.
197         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
198         Collect.
199
200 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
201
202         PR target/42895
203         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
204         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
205         (HONOR_REG_ALLOC_ORDER): Describe new macro.
206         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
207         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
208         account only if HONOR_REG_ALLOC_ORDER is not defined.
209         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
210         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
211
212 2010-04-29  Jon Grant  <04@jguk.org>
213
214         * collect2.c (vflag): Change type from int to bool.
215         (debug): Likewise.
216         (helpflag): New global bool.
217         (main): Set vflag and debug with boolean, not integer truth values.
218         Accept new "--help" option and output usage text if found.
219         * collect2.h (vflag): Update prototype.
220         (debug): Likewise.
221
222 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
223
224         PR bootstrap/43936
225         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
226
227 2010-04-29  Richard Guenther  <rguenther@suse.de>
228
229         PR bootstrap/43935
230         * plugin.h (invoke_plugin_callbacks): Annotate arguments
231         with ATTRIBUTE_UNUSED.
232
233 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
234
235         PR target/43921
236         * config/i386/i386.c (get_some_local_dynamic_name): Replace
237         INSN_P with NONDEBUG_INSN_P.
238         (distance_non_agu_define): Likewise.
239         (distance_agu_use): Likewise.
240
241 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
242
243         From Dominique d'Humieres <dominiq@lps.ens.fr>
244         PR bootstrap/43858
245         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
246         test_set.
247
248 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
249
250         * plugin.h (invoke_plugin_callbacks): New inline function.
251         * plugin.c (flag_plugin_added): New global flag.
252         (add_new_plugin): Initialize above flag.
253         (invoke_plugin_callbacks): Rename to ...
254         (invoke_plugin_callbacks_full): ... this.
255
256 2010-04-28  Jan Hubicka  <jh@suse.cz>
257
258         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
259         (lto_varpool_replace_node): New.
260         (lto_symtab_resolve_symbols): Resolve varpool nodes.
261         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
262         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
263         * cgraph.h (varpool_node_ptr): New type.
264         (varpool_node_ptr): New vector.
265         (varpool_node_set_def): New structure.
266         (varpool_node_set): New type.
267         (varpool_node_set): New vector.
268         (varpool_node_set_element_def): New structure.
269         (varpool_node_set_element, const_varpool_node_set_element): New types.
270         (varpool_node_set_iterator): New type.
271         (varpool_node): Add prev pointers, add used_from_other_partition,
272         in_other_partition.
273         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
274         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
275         varpool_get_node, varpool_remove_node): Declare.
276         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
277         varpool_node_set_size): New inlines.
278         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
279         * tree-pass.h (varpool_node_set_def): Forward declare.
280         (ipa_opt_pass_d): Summary writting takes vnode sets too.
281         (ipa_write_optimization_summaries): Update prototype.
282         * ipa-cp.c (ipcp_write_summary): Update.
283         * ipa-reference.c (ipa_reference_write_summary): Update.
284         * lto-cgraph.c (lto_output_varpool_node): New static function.
285         (output_varpool): New function.
286         (input_varpool_node): New static function.
287         (input_varpool_1): New function.
288         (input_cgraph): Input varpool.
289         * ipa-pure-const.c (pure_const_write_summary): Update.
290         * lto-streamer-out.c (lto_output): Update, output varpool too.
291         (write_global_stream): Kill WPA hack.
292         (produce_asm_for_decls): Update.
293         (output_alias_pair_p): Handle variables.
294         (output_unreferenced_globals): Output only needed partition of varpool.
295         * ipa-inline.c (inline_write_summary): Update.
296         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
297         cgraph.
298         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
299         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
300         varpool_node_set_new, varpool_node_set_add,
301         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
302         debug_varpool_node_set): New functions.
303         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
304         (execute_one_pass): Process new decls too.
305         (ipa_write_summaries_2): Pass around vsets.
306         (ipa_write_summaries_1): Likewise.
307         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
308         to add.
309         (ipa_write_optimization_summaries_1): Pass around vsets.
310         (ipa_write_optimization_summaries): Likewise.
311         * varpool.c (varpool_get_node): New.
312         (varpool_node): Update doubly linked lists.
313         (varpool_remove_node): New.
314         (dump_varpool_node): More dumping.
315         (varpool_enqueue_needed_node): Update doubly linked lists.
316         (decide_is_variable_needed): Kill ltrans hack.
317         (varpool_finalize_decl): Kill lto hack.
318         (varpool_assemble_decl): Skip decls in other partitions.
319         (varpool_assemble_pending_decls): Update doubly linkes lists.
320         (varpool_empty_needed_queue): Likewise.
321         (varpool_extra_name_alias): Likewise.
322         * lto-streamer.c (lto_get_section_name): Add vars section.
323         * lto-streamer.h (lto_section_type): Update.
324         (output_varpool, input_varpool): Declare.
325
326 2010-04-28  Mike Stump  <mikestump@comcast.net>
327
328         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
329
330 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
331
332         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
333         record or union type with RECORD_OR_UNION_TYPE_P predicate.
334         (lto_input_ts_type_tree_pointers): Likewise.
335         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
336         (lto_output_ts_type_tree_pointers): Likewise.
337
338 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
339
340         Uniquization of constants at the Tree level
341         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
342         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
343         bit to the end.
344         (tree_output_constant_def): Declare.
345         * gimplify.c (gimplify_init_constructor): When using block copy, first
346         uniquize the constant constructor on the RHS.
347         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
348         DECL_IN_CONSTANT_POOL flag.
349         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
350         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
351         constant pool.
352         (assemble_variable): Deal with symbols belonging to the tree constant
353         pool.
354         (get_constant_section): Add ALIGN parameter and simplify.
355         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
356         (assemble_constant_contents): Use the expression of the VAR_DECL.
357         (output_constant_def_contents): Use the alignment of the VAR_DECL.
358         (tree_output_constant_def): New global function.
359         (mark_constant): Use the expression of the VAR_DECL.
360         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
361         its expression.
362         (output_object_block): Likewise and assemble the expression.
363
364 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
365
366         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
367         hash_tree, eq_tree): New tree hash table.
368         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
369         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
370         lto_orig_address_remove): Reimplement.
371
372 2010-04-28  Xinliang David Li  <davidxl@google.com>
373
374         PR c/42643
375         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
376         (compute_uninit_opnds_pos): New function.
377         (is_non_loop_exit_postdominating): New function.
378         (compute_control_dep_chain): New function.
379         (find_pdom): New function.
380         (convert_control_dep_chain_into_preds): New function.
381         (find_predicates): New function.
382         (find_control_equiv_block): New function.
383         (collect_phi_def_edges): New function.
384         (find_def_preds): New function.
385         (find_dom): New function.
386         (dump_predicates): New function.
387         (get_cmp_code): New function.
388         (is_value_included_in): New function.
389         (find_matching_predicate_in_rest_chains): New function.
390         (use_pred_not_overlap_with_undef_path_pred): New function.
391         (is_use_properly_guarded): New function.
392         (normalize_cond_1): New function.
393         (is_and_or_or): New function.
394         (normalize_cond): New function.
395         (is_gcond_subset_of): New function.
396         (is_subset_of_any): New function.
397         (is_or_set_subset_of): New function.
398         (is_and_set_subset_of): New function.
399         (is_norm_cond_subset_of): New function.
400         (is_pred_expr_subset_of): New function.
401         (is_pred_chain_subset_of): New function.
402         (is_included_in): New function.
403         (is_superset_of): New function.
404         (find_uninit_use): New function.
405         (warn_uninitialized_phi): New function.
406         (compute_possibly_undefined_names): New function.
407         (ssa_undefined_value_p): New function.
408         (execute_late_warn_uninitialized): New function.
409         * tree-ssa.c (ssa_undefined_value_p): Removed.
410         (warn_uninit): Changed to extern.
411         (warn_uninitialized_phi): Removed.
412         (warn_uninitialized_vars): Changed to extern.
413         (execute_late_warn_uninitialized): Removed
414         * tree-flow.h: Add new prototypes.
415         * timevar.def: Add new time variable.
416         * Makefile.in: Add new build file.
417
418 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
419
420         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
421         type if available.
422
423 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
424
425         PR target/22224
426         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
427
428 2010-04-28  Martin Jambor  <mjambor@suse.cz>
429
430         * cgraph.h (struct cgraph_node): New field indirect_calls.
431         (struct cgraph_indirect_call_info): New type.
432         (struct cgraph_edge): Removed field indirect_call. New fields
433         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
434         (cgraph_create_indirect_edge): Declare.
435         (cgraph_make_edge_direct): Likewise.
436         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
437         * ipa-prop.h (struct ipa_param_call_note): Removed.
438         (struct ipa_node_params): Removed field param_calls.
439         (ipa_create_all_structures_for_iinln): Declare.
440         * cgraph.c: Described indirect edges and uids in initial comment.
441         (cgraph_add_edge_to_call_site_hash): New function.
442         (cgraph_edge): Search also among the indirect edges, use
443         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
444         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
445         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
446         site hash.
447         (initialize_inline_failed): Assign a reason to indirect edges.
448         (cgraph_create_edge_1): New function.
449         (cgraph_create_edge): Moved some functionality to
450         cgraph_create_edge_1.
451         (cgraph_create_indirect_edge): New function.
452         (cgraph_edge_remove_callee): Add an assert checking for
453         non-indirectness.
454         (cgraph_edge_remove_caller): Special-case indirect edges.
455         (cgraph_remove_edge): Likewise.
456         (cgraph_set_edge_callee): New function.
457         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
458         (cgraph_make_edge_direct): New function.
459         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
460         the declaration of the call statement matches.
461         (cgraph_node_remove_callees): Special-case indirect edges.
462         (cgraph_clone_edge): Likewise.
463         (cgraph_clone_node): Clone also the indirect edges.
464         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
465         indirect_call, dump count of indirect_calls edges.
466         * ipa-prop.c (iinlining_processed_edges): New variable.
467         (ipa_note_param_call): Create indirect edges instead of
468         creating notes.  New parameter node.
469         (ipa_analyze_call_uses): New parameter node, pass it on to
470         ipa_note_param_call.
471         (ipa_analyze_stmt_uses): Likewise.
472         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
473         (print_edge_addition_message): Work on edges rather than on notes.
474         (update_call_notes_after_inlining): Likewise, renamed to
475         update_indirect_edges_after_inlining.
476         (ipa_create_all_structures_for_iinln): New function.
477         (ipa_free_node_params_substructures): Do not free notes.
478         (ipa_edge_duplication_hook): Propagate bits within
479         iinlining_processed_edges bitmap.
480         (ipa_node_duplication_hook): Do not duplicate notes.
481         (free_all_ipa_structures_after_ipa_cp): Renamed to
482         ipa_free_all_structures_after_ipa_cp.
483         (free_all_ipa_structures_after_iinln): Renamed to
484         ipa_free_all_structures_after_iinln.g
485         (ipa_write_param_call_note): Removed.
486         (ipa_read_param_call_note): Removed.
487         (ipa_write_indirect_edge_info): New function.
488         (ipa_read_indirect_edge_info): Likewise.
489         (ipa_write_node_info): Do not stream notes, do stream information
490         in indirect edges.
491         (ipa_read_node_info): Likewise.
492         (lto_ipa_fixup_call_notes): Removed.
493         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
494         * ipa-inline.c (pass_ipa_inline): Likewise.
495         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
496         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
497         * tree-inline.c (copy_bb): Removed an unnecessary double check for
498         is_gimple_call.
499         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
500         edges.
501         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
502         (output_cgraph): Stream also indirect edges.
503         (lto_output_edge): Added capability to stream indirect edges.
504         (input_edge): Likewise.
505         (input_cgraph_1): Likewise.
506         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
507         of indirect edges.
508
509 2010-04-28  Richard Guenther  <rguenther@suse.de>
510
511         PR tree-optimization/43879
512         PR tree-optimization/43909
513         * tree-ssa-structalias.c (struct variable_info): Add
514         only_restrict_pointers flag.
515         (new_var_info): Initialize it.  Increment stats.total_vars here.
516         (create_function_info_for): Do not increment stats.total_vars
517         here.
518         (get_function_part_constraint): Fix build with C++.
519         (insert_into_field_list): Remove.
520         (push_fields_onto_fieldstack): Properly merge fields.
521         (create_variable_info_for): Split and simplify.
522         (create_variable_info_for_1): New piece.
523         (intra_create_variable_infos): Properly make restrict constraints
524         from parameters.
525
526 2010-04-28  Richard Guenther  <rguenther@suse.de>
527
528         PR c++/43880
529         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
530
531 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
532             Jan Hubicka <hubicka@ucw.cz>
533
534         * doc/invoke.texi (-Wsuggest-attribute=const,
535         -Wsuggest-attribute=pure): Document.
536         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
537         (function_always_visible_to_compiler_p,
538         suggest_attribute, warn_function_pure, warn_function_const):
539         New functions.
540         (check_call): Improve debug info.
541         (analyze_function): Do not check availability.
542         (add_new_function): Check availability.
543         (propagate): Output warnings.
544         (skip_function_for_local_pure_const): New function.
545         (local_pure_const): Use it; output warnings.
546         * common.opt (Wsuggest-attribute=const,
547         Wsuggest-attribute=pure): New.
548
549 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
550
551         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
552         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
553         or DW_CFA_def_cfa_offset{,_sf}.
554
555 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
556
557         * tree.h: Fix truncated long macros.
558
559 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
560
561         * collect2.c (TARGET_64BIT): Redefine to target's default.
562         * tlink.c: Likewise.
563         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
564         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
565         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
566         for underscoring __USER_LABEL_PREFIX__.
567         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
568         (SUB_LINK_ENTRY32): New.
569         (SUB_LINK_ENTRY64): New.
570         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
571         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
572         (SUB_LINK_ENTRY64): New.
573         (SUB_LINK_ENTRY): New.
574         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
575         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
576         x64 target is choosen.
577         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
578         * configure: Regenerated.
579         * configure.ac (leading-mingw64-underscores): Option added.
580
581 2010-04-27  Jan Hubicka  <jh@suse.cz>
582
583         * doc/invoke.texi (-fipa-profile): Document.
584         * opts.c (decode_options): Enable ipa-profile at -O1.
585         * timevar.def (TV_IPA_PROFILE): Define.
586         * common.opt (fipa-profile): Add.
587         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
588         flag for clones.
589         (cgraph_propagate_frequency): Handle only local ones.
590         * tree-pass.h (pass_ipa_profile): Declare.
591         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
592         (pass_ipa_profile): Use TV_IPA_PROFILE.
593         * ipa.c (ipa_profile): New function.
594         (gate_ipa_profile): Likewise.
595         (pass_ipa_profile): New global variable.
596         * passes.c (pass_ipa_profile): New.
597
598 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
599
600         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
601
602 2010-04-27  Martin Jambor  <mjambor@suse.cz>
603
604         PR middle-end/43812
605         * ipa.c (dissolve_same_comdat_group_list): New function.
606         (function_and_variable_visibility): Call
607         dissolve_same_comdat_group_list when comdat group contains external or
608         newly local nodes.
609         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
610         lists are circular and that they contain only DECL_ONE_ONLY nodes.
611
612 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
613
614         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
615         (const_hash_1) <VECTOR_CST>: New case.
616         (compare_constant) <VECTOR_CST>: Likewise.
617         <ADDR_EXPR>: Deal with LABEL_REFs.
618         (copy_constant) <VECTOR_CST>: New case.
619
620 2010-04-27  Jan Hubicka  <jh@suse.cz>
621
622         * cgraph.c (cgraph_propagate_frequency): New function.
623         * cgraph.h (cgraph_propagate_frequency): Declare.
624         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
625         cgraph_propagate_frequency.
626
627 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
628
629         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
630
631 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
632
633         PR target/40657
634         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
635         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
636         here to determine which regs to push and how much stack to reserve.
637
638 2010-04-27  Jie Zhang  <jie@codesourcery.com>
639
640         * doc/gimple.texi (gimple_statement_with_ops): Remove
641         addresses_taken field.
642         (gimple_statement_with_memory_ops): Likewise.
643
644 2010-04-27  Jan Hubicka  <jh@suse.cz>
645
646         * tree-inline.c (eni_inlining_weights): Remove.
647         (estimate_num_insns): Special case more builtins.
648
649 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
650
651         PR c/32207
652         * c-typeck.c (build_binary_op): Move forward check for comparison
653         pointer with null pointer constant and adjust the diagnostic message.
654
655 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
656
657         PR lto/42776
658         * configure.ac (gcc_cv_as_section_has_align): Set if installed
659         binutils supports extended .section directive needed by LTO, or
660         warn if older binutils found.
661         (LTO_BINARY_READER): New AC_SUBST'd variable.
662         (LTO_USE_LIBELF): Likewise.
663         * gcc/config.gcc (lto_binary_reader): New target-specific configure
664         variable.
665         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
666         (LTO_USE_LIBELF): Likewise.
667         * configure: Regenerate.
668
669         * collect2.c (is_elf): Rename from this ...
670         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
671          object files in addition to ELF-formatted ones.
672         (scan_prog_file): Caller updated.  Also allow for LTO info marker
673         symbol to be prefixed or not by an extra underscore.
674
675         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
676         * config/i386/winnt.c: Also #include lto-streamer.h
677         (i386_pe_asm_named_section): Specify 1-byte section alignment for
678         LTO named sections.
679         (i386_pe_asm_output_aligned_decl_common): Add comment.
680         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
681
682 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
683
684         PR target/43889
685         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
686         Add missing earlyclobber for second alternative.
687
688 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
689
690         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
691         bits for artificial defs at the top of the block.
692         * fwprop.c (single_def_use_enter_block): Don't call it.
693
694 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
695
696         PR 43715
697         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
698         instead of "$gcc_cv_objdump -T".
699         Use "-undefined dynamic_lookup" on darwin.
700         * gcc/configure: Regenerate.
701
702 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
703
704         PR c/43893
705         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
706
707 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
708
709         * c-parser.c (struct c_token): Move location field up.
710         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
711         (struct c_declspecs): Convert typespec_word, storage_class, and
712         default_int_p into bitfields.
713         (struct c_declarator): Move loc field up.
714
715 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
716
717         * cfgloop.h (struct loop): Move can_be_parallel field up.
718         * ipa-prop.h (struct ip_node_params): Move bitfields up.
719         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
720         down.
721         (struct iv_cand): Convert pos field into a bitfield.
722         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
723         field up.
724         (struct _stmt_vec_info): Shuffle fields for better packing.
725
726 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
727
728         * varasm.c (IN_NAMED_SECTION): Remove guard.
729         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
730         (IN_NAMED_SECTION_P): ...this.
731         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
732         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
733
734 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
735
736         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
737         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
738         of shadowing it.  Fix comments.
739
740 2010-04-26  Jan Hubicka  <jh@suse.cz>
741
742         * cgraph.c (cgraph_create_node): Set node frequency to normal.
743         (cgraph_clone_node): Copy function frequency.
744         * cgraph.h (node_frequency): New enum
745         (struct cgraph_node): Add.
746         * final.c (rest_of_clean_state): Update.
747         * lto-cgraph.c (lto_output_node): Output node frequency.
748         (input_overwrite_node): Input node frequency.
749         * tre-ssa-loop-ivopts (computation_cost): Update.
750         * lto-streamer-out.c (output_function): Do not output function
751         frequency.
752         * predict.c (maybe_hot_frequency_p): Update and handle functions
753         executed once.
754         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
755         attribute lookup.
756         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
757         (compute_function_frequency): Set noreturn functions to be executed
758         once.
759         (choose_function_section): Update.
760         * lto-streamer-in.c (input_function): Do not input function frequency.
761         * function.c (allocate_struct_function): Do not initialize function
762         frequency.
763         * function.h (function_frequency): Remove.
764         (struct function): Remove function frequency.
765         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
766         (try_update): Update.
767         * tree-inline.c (initialize_cfun): Do not update function frequency.
768         * passes.c (pass_init_dump_file): Update.
769         * i386.c (ix86_compute_frame_layout): Update.
770         (ix86_pad_returns): Update.
771
772 2010-04-26  Jie Zhang  <jie@codesourcery.com>
773
774         PR tree-optimization/43833
775         * tree-vrp.c (range_int_cst_p): New.
776         (range_int_cst_singleton_p): New.
777         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
778         when both operands are constants.  Use range_int_cst_p in
779         BIT_IOR_EXPR case.
780
781 2010-04-26  Jan Hubicka  <jh@suse.cz>
782
783         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
784
785 2010-04-26  Richard Guenther  <rguenther@suse.de>
786
787         PR lto/43080
788         * gimple.c (gimple_decl_printable_name): Deal gracefully
789         with a NULL DECL_NAME.
790
791 2010-04-26  Richard Guenther  <rguenther@suse.de>
792
793         PR lto/42425
794         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
795         if emitting debug information and it is either a function
796         or a namespace decl.
797
798 2010-04-26  Ira Rosen  <irar@il.ibm.com>
799
800         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
801         determine if the statement is vectorizable, and a macro to access it.
802         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
803         Skip statements that can't be vectorized. If the analysis fails,
804         mark the statement as unvectorizable if vectorizing basic block.
805         (vect_compute_data_refs_alignment): Likewise.
806         (vect_verify_datarefs_alignment): Skip statements marked as
807         unvectorizable. Add print.
808         (vect_analyze_group_access): Skip statements that can't be
809         vectorized. If the analysis fails, mark the statement as
810         unvectorizable if vectorizing basic block.
811         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
812         * tree-vect-stmts.c (vectorizable_store): Fix the number of
813         generated stmts for SLP.
814         (new_stmt_vec_info): Initialize the new field.
815         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
816         statements marked as unvectorizable.
817
818 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
819
820         * c-common.c (flag_isoc1x): New.
821         (flag_isoc99): Update comment.
822         * c-common.h (flag_isoc1x): New.
823         (flag_isoc99): Update comment.
824         * c-cppbuiltin.c (builtin_define_float_constants): Also define
825         __<type>_DECIMAL_DIG__.
826         * c-opts.c (set_std_c1x): New.
827         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
828         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
829         * c.opt (-std=c1x, -std=gnu1x): New options.
830         * doc/cpp.texi: Mention -std=c1x.
831         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
832         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
833         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
834         * doc/standards.texi: Mention C1X.
835         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
836         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
837         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
838         Define for C1X.
839
840 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
841
842         * config/i386/gmon-sol2.c (_mcleanup): Change format string
843         placeholder from 0x%x to %#x.
844         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
845         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
846         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
847         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
848         * config/i386/i386.c (ix86_target_string): Ditto.
849         (output_pic_addr_const): Ditto.
850         (print_operand): Ditto.
851
852 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
853
854         * combine.c (find_split_point): Add third argument.  Use it
855         to find nested multiply-accumulate instructions.  Adjust calls.
856         (try_combine): Adjust call to find_split_point.
857
858 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
859
860         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
861
862 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
863
864         PR tree-optimization/41442
865         * fold-const.c (merge_truthop_with_opposite_arm): New function.
866         (fold_binary_loc): Call it.
867
868 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
869
870         * toplev.c (general_init): Set default for fdiagnostics-show-option.
871         * opts.c (common_handle_option): Allow disabling it.
872         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
873
874 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
875
876         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
877         between modes if both types are integral.
878
879 2010-04-23  Richard Guenther  <rguenther@suse.de>
880
881         PR tree-optimization/43572
882         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
883
884 2010-04-23  Richard Guenther  <rguenther@suse.de>
885
886         PR lto/43455
887         * tree-inline.c (tree_can_inline_p): Also check compatibility
888         of return types.
889
890 2010-04-23  Martin Jambor  <mjambor@suse.cz>
891
892         PR tree-optimization/43846
893         * tree-sra.c (struct access): New flag grp_assignment_read.
894         (build_accesses_from_assign): Set grp_assignment_read.
895         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
896         (enum mark_read_status): New type.
897         (analyze_access_subtree): Propagate grp_assignment_read, create
898         accesses also if both direct_read and root->grp_assignment_read.
899
900 2010-04-23  Martin Jambor  <mjambor@suse.cz>
901
902         PR middle-end/43835
903         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
904         function does not have type attributes.
905
906 2010-04-23  Richard Guenther  <rguenther@suse.de>
907
908         PR lto/42653
909         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
910         of FUNCTION_DECLs.
911
912 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
913
914         * sese.h (create_if_region_on_edge): Remove.
915
916         * sese.c (create_if_region_on_edge): Make static.
917
918         * tree-inline.c: Do not include ggc.h.
919
920         * expr.c: Do not include ggc.h.
921
922         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
923         dependencies.
924
925 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
926
927         PR target/43744
928         * config/sh/sh.c (find_barrier): Don't emit a constant pool
929         in the middle of insns for casesi_worker_2.
930
931 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
932
933         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
934
935 2010-04-22  Ira Rosen  <irar@il.ibm.com>
936
937         PR tree-optimization/43842
938         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
939         loop unrolling in update of exit phis. Fix comment.
940         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
941         least two reduction statements in the loop before starting SLP
942         analysis.
943
944 2010-04-22  Nick Clifton  <nickc@redhat.com>
945
946         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
947
948 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
949
950         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
951         to simplify a + ~a.
952
953 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
954
955         * tree-parloops.c (loop_parallel_p): New argument
956         parloop_obstack.  Pass it down.
957         (parallelize_loops): New variable parloop_obstack.  Initialize it,
958         pass it down, free it.
959
960         * tree-loop-linear.c (linear_transform_loops): Pass down
961         lambda_obstack.
962
963         * tree-data-ref.h (lambda_compute_access_matrices): New argument
964         of type struct obstack *.
965
966         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
967         scratch_obstack.  Initialize it, pass down, free it.
968
969         * lambda.h (lambda_loop_new): Remove.
970         (lambda_matrix_new, lambda_matrix_inverse)
971         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
972         argument of type struct obstack *.
973
974         * lambda-trans.c (lambda_trans_matrix_new): New argument
975         lambda_obstack.  Pass it down, use obstack allocation for ret.
976         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
977         it down.
978
979         * lambda-mat.c (lambda_matrix_get_column)
980         (lambda_matrix_project_to_null): Remove.
981         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
982         allocation for mat.
983         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
984         lambda_obstack.
985
986         * lambda-code.c (lambda_loop_new): New function.
987         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
988         (lambda_compute_auxillary_space, lambda_compute_target_space)
989         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
990         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
991         (build_access_matrix): New argument lambda_obstack.  Use obstack
992         allocation for am.
993         (lambda_compute_step_signs, lambda_compute_access_matrices): New
994         argument lambda_obstack.  Pass it down.
995
996 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
997
998         * optabs.h (expand_widening_mult): Declare.
999
1000 2010-04-22  Richard Guenther  <rguenther@suse.de>
1001
1002         PR tree-optimization/43845
1003         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1004         lookup the CALL_EXPR function and arguments.
1005
1006 2010-04-22  Nick Clifton  <nickc@redhat.com>
1007
1008         * config/stormy16/stormy16.c
1009         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1010         * config/stormy16/stormy16.h: Tidy up formatting.
1011         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1012         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1013         (ineqbranchsi): Delete pattern.
1014         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1015         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1016         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1017         stormy16-lib2-ucmpsi2.c.
1018
1019 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1020
1021         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1022         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1023         extra set merge_set_noclobber, and use it to relax the final test
1024         slightly.
1025         * df.h (df_simulate_find_noclobber_defs): Declare.
1026         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1027         conditional defs.
1028         (df_simulate_find_noclobber_defs): New function.
1029
1030 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1031
1032         * config/i386/i386.md: Use {} around multi-line preparation statements.
1033
1034 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1035
1036         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1037         (process_init_element): New argument of type struct obstack *.
1038
1039         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1040         (set_init_index, set_init_label, set_nonincremental_init)
1041         (set_nonincremental_init_from_string, find_init_member)
1042         (output_init_element, output_pending_init_elements)
1043         (process_init_element): New argument braced_init_obstack.  Pass it
1044         down.
1045         (push_range_stack, add_pending_init): New argument
1046         braced_init_obstack.  Use obstack allocation.
1047
1048         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1049         braced_init_obstack.  Pass it down.
1050         (c_parser_braced_init): New variables ret, braced_init_obstack.
1051         Initialize obstack, pass it down and finally free it.
1052
1053 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1054
1055         PR middle-end/29274
1056         * tree-pass.h (pass_optimize_widening_mul): Declare.
1057         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1058         gate_optimize_widening_mul): New static functions.
1059         (pass_optimize_widening_mul): New.
1060         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1061         <case MULT_EXPR>: Remove support for widening multiplies.
1062         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1063         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1064         simplify_gen_unary rather than directly building extensions.
1065         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1066         WIDEN_MULT_EXPR.
1067         * expmed.c (expand_widening_mult): New function.
1068         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1069
1070 2010-04-21  Jan Hubicka  <jh@suse.cz>
1071
1072         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1073         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1074         * lto-wpa-fixup.c: Remove.
1075         * Makefile.in (lto-wpa-fixup.o): Remove.
1076         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1077         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1078         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1079
1080 2010-04-21  Jan Hubicka  <jh@suse.cz>
1081
1082         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1083         add write_optimization_summary, read_optimization_summary.
1084         (ipa_write_summaries_of_cgraph_node_set): Remove.
1085         (ipa_write_optimization_summaries): Declare.
1086         (ipa_read_optimization_summaries): Declare.
1087         * ipa-cp.c (pass_ipa_cp): Update.
1088         * ipa-reference.c (pass_ipa_reference): Update.
1089         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1090         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1091         Update.
1092         * ipa-inline.c (pass_ipa_inline): Update.
1093         * ipa.c (pass_ipa_whole_program): Update.
1094         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1095         * passes.c (ipa_write_summaries_1): Do not test wpa.
1096         (ipa_write_optimization_summaries_1): New.
1097         (ipa_write_optimization_summaries): New.
1098         (ipa_read_summaries): Do not test ltrans.
1099         (ipa_read_optimization_summaries_1): New.
1100         (ipa_read_optimization_summaries): New.
1101
1102 2010-04-21  Jan Hubicka  <jh@suse.cz>
1103
1104         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1105         for boundary nodes.
1106         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1107
1108 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1109
1110         PR debug/40040
1111         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1112         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1113
1114 2010-04-21  Jan Hubicka  <jh@suse.cz>
1115
1116         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1117
1118 2010-04-21  Jan Hubicka  <jh@suse.cz>
1119
1120         * varpool.c (decide_is_variable_needed): Variable is always needed
1121         during ltrans.
1122
1123 2010-04-21  Jan Hubicka  <jh@suse.cz>
1124
1125         * opts.c (decode_options): Enable pure-const pass for whopr.
1126
1127 2010-04-21  Jan Hubicka  <jh@suse.cz>
1128
1129         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1130         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1131         at WPA dumping.
1132         (cgraph_decide_inlining): Do not expect callee to be removed in all
1133         cases.
1134
1135 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1136
1137         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1138
1139 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1140
1141         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1142         amdfam10_decode attributes.
1143
1144 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1145
1146         PR middle-end/43570
1147         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1148         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1149         (lower_copyprivate_clauses): Use private var in outer
1150         context instead of original var.  Make sure the types
1151         are correct for VLAs.
1152
1153 2010-04-21  Richard Guenther  <rguenther@suse.de>
1154
1155         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1156         to non-pointer objects.
1157
1158 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1159
1160         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1161         last chain entry if it starts with the still current label.
1162         (add_location_or_const_value_attribute): Check that
1163         loc_list->first->next is NULL instead of comparing ->first with ->last.
1164         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1165         to add_var_loc_to_decl.
1166
1167         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1168         >= 4 add also address size and segment size fields into CIE header.
1169
1170         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1171         long as address size is the same as sizeof (void *) and
1172         segment size is 0.
1173         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1174         address size or segment size is unexpected, return DW_EH_PE_omit.
1175         (classify_object_over_fdes): If get_cie_encoding returned
1176         DW_EH_PE_omit, return -1.
1177         (init_object): If classify_object_over_fdes returned -1,
1178         pretend there were no FDEs at all.
1179
1180 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1181
1182         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1183         bswap{si,di}2 using SWI48 mode iterator.
1184         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1185         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1186         set modrm attribute of bswap insn to 0 and remove length attribute.
1187         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1188         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1189         set mode attribute to <MODE> and remove length attribute.
1190
1191 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1192
1193         PR rtl-optimization/43520
1194         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1195         zero available registers.
1196
1197 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1198
1199         * builtins.c (fold_builtin_cproj): Fold more cases.
1200
1201 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1202
1203         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1204         (fold_builtin_1): Fold builtin cproj.
1205         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1206         Use ATTR_CONST_NOTHROW_LIST.
1207
1208 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1209
1210         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1211         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1212         ffsi2_no_cmove for !TARGET_CMOVE.
1213         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1214         (ffssi2): Remove expander.
1215         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1216         mode iterator.
1217         (ctz<mode>2): Ditto from ctz{si,di}2.
1218         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1219         mode iterator.
1220         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1221         mode iterator.
1222
1223 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1224
1225         * dwarf2out.c (AT_linkage_name): Define.
1226         (clone_as_declaration): Handle DW_AT_linkage_name.
1227         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1228         of DW_AT_MIPS_linkage_name.
1229         (move_linkage_attr): Likewise.
1230         (dwarf2out_finish): Likewise.
1231
1232 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1233
1234         PR middle-end/41952
1235         * fold-const.c (fold_comparison): New folding rule.
1236
1237 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1238
1239         * double-int.h (double_int_setbit): Declare.
1240         * double-int.c (double_int_setbit): New function.
1241         * rtl.h (immed_double_int_const): Declare.
1242         * emit-rtl.c (immed_double_int_const): New function.
1243         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1244         and immed_double_int_const functions.
1245         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1246         expand_copysign_bit):  (Ditto.).
1247         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1248         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1249         * dojump.c (prefer_and_bit_test): (Ditto.).
1250         * expr.c (convert_modes, reduce_to_bit_field_precision,
1251         const_vector_from_tree): (Ditto.).
1252         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1253
1254 2010-04-20  Jan Hubicka  <jh@suse.cz>
1255
1256         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1257         (dump_cgraph_node): Dump new flags.
1258         * cgraph.h (struct cgraph_node): Add flags
1259         reachable_from_other_partition and in_other_partition.
1260         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1261         other partition can not be removed.
1262         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1263         the other partition must be output; silence sanity checking on
1264         leaking functions bodies from other paritition.
1265         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1266         (lto_output_node): Output new flags; do not sanity check that inline
1267         clones are output; drop lto_forced_extern_inline_p code; do not mock
1268         visibility flags at partition boundaries.
1269         (add_node_to): New function.
1270         (output_cgraph): Use it to sort functions so masters appear before
1271         clones.
1272         (input_overwrite_node): Input new flags.
1273         * passes.c (ipa_write_summaries): Do not call
1274         lto_new_extern_inline_states.
1275         * lto-section-out.c (forced_extern_inline,
1276         lto_new_extern_inline_states lto_delete_extern_inline_states,
1277         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1278         * lto-streamer.h (lto_new_extern_inline_states,
1279         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1280         lto_forced_extern_inline_p): Kill.
1281
1282 2010-04-20  Richard Guenther  <rguenther@suse.de>
1283
1284         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1285         from vars that can have pointers.
1286         (process_constraint): Dump useless constraints.
1287
1288 2010-04-20  Richard Guenther  <rguenther@suse.de>
1289
1290         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1291         (dump_sa_points_to_info): Remove asserts.
1292         (init_base_vars): nothing_id isn't an escape point nor does it
1293         have pointers.
1294
1295 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1296
1297         * tree.h (TYPE_REF_IS_RVALUE): Define.
1298         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1299         should_move_die_to_comdat, prune_unused_types_walk): Handle
1300         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1301         (modified_type_die, gen_reference_type_die): Emit
1302         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1303         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1304
1305 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1306
1307         PR target/43635
1308         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1309         calls for -fpic -m31 if they have been sibcall optimized.
1310
1311 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1312
1313         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1314         ar.lc fixed and call-used.
1315
1316         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1317
1318 2010-04-19  Jan Hubicka  <jh@suse.cz>
1319
1320         * opts.c (decode_options): Disable whpr incompatible passes.
1321         * lto/lto.c (lto_1_to_1_map): Skip clones.
1322         (read_cgraph_and_symbols): Do not mark everything as needed.
1323         (do_whole_program_analysis): Do map only after optimizing;
1324         set proper cgraph_state; use passmanager.
1325
1326 2010-04-19  DJ Delorie  <dj@redhat.com>
1327
1328         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1329         POINTER_PLUS_EXPR and fix them.
1330
1331 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1332
1333         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1334         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1335         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1336         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1337         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1338         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1339         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1340         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1341         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1342         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1343         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1344
1345 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1346
1347         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1348         (check_cond_move_block): Likewise.
1349         (cond_move_process_if_block): Likewise.
1350         (noce_find_if_block): Improve formatting.
1351         (find_if_header): Pass 0 to memset and tweak conditions.
1352         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1353
1354 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1355
1356         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1357         for -gdwarf-4.
1358
1359         PR middle-end/43337
1360         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1361         with non-local decl doesn't need chain.
1362
1363 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1364
1365         * ira-color.c (allocno_reload_assign): Avoid accumulating
1366         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1367
1368 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1369
1370         * gimple.h (create_tmp_reg): Declare.
1371         * gimplify.c (create_tmp_reg): New function.
1372         (gimplify_return_expr): Use create_tmp_reg.
1373         (gimplify_omp_atomic): Likewise.
1374         (gimple_regimplify_operands): Likewise.
1375         * tree-dfa.c (make_rename_temp): Likewise.
1376         * tree-predcom.c (predcom_tmp_var): Likewise.
1377         (reassociate_to_the_same_stmt): Likewise.
1378         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1379         (get_replaced_param_substitute): Likewise.
1380         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1381         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1382         * tree-ssa-pre.c (get_representative_for): Likewise.
1383         (create_expression_by_pieces): Likewise.
1384         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1385         (create_tailcall_accumulator): Likewise.
1386
1387 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1388
1389         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1390         new_stmt.
1391         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1392
1393 2010-04-19  Richard Guenther  <rguenther@suse.de>
1394
1395         PR tree-optimization/43796
1396         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1397         from SCEV in the lattice.
1398         (vrp_visit_phi_node): Dump change.
1399
1400 2010-04-19  Richard Guenther  <rguenther@suse.de>
1401
1402         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1403         * configure: Re-generated.
1404
1405 2010-04-19  Richard Guenther  <rguenther@suse.de>
1406
1407         PR tree-optimization/43783
1408         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1409         constant ARRAY_REF operands two and three if possible.
1410
1411 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1412
1413         PR target/43766
1414         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1415
1416 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1417
1418         PR target/43662
1419         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1420
1421 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1422
1423         PR tree-optimization/37027
1424         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1425         and macro to access it.
1426         (vectorizable_reduction): Add argument.
1427         (vect_get_slp_defs): Likewise.
1428         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1429         statements for possible use in SLP.
1430         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1431         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1432         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1433         add new argument.
1434         (vectorizable_reduction): Likewise.
1435         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1436         vect_get_slp_defs.
1437         (vectorizable_type_demotion, vectorizable_type_promotion,
1438         vectorizable_store): Likewise.
1439         (vect_analyze_stmt): Update call to vectorizable_reduction.
1440         (vect_transform_stmt): Likewise.
1441         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1442         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1443         from different interleaving chains in same node.
1444         (vect_slp_rearrange_stmts): New function.
1445         (vect_supported_load_permutation_p): Allow load permutations for
1446         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1447         inside SLP nodes if necessary.
1448         (vect_analyze_slp_instance): Handle reductions.
1449         (vect_analyze_slp): Try to build SLP instances originating from groups
1450         of reductions.
1451         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1452         (vect_get_constant_vectors): Create initial vectors for reductions
1453         according to reduction code. Add new argument.
1454         (vect_get_slp_defs): Add new argument, pass it to
1455         vect_get_constant_vectors.
1456         (vect_schedule_slp_instance): Remove SLP tree root statements.
1457
1458 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1459
1460         * tree.h (ENUM_IS_SCOPED): Define.
1461         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1462         for ENUM_IS_SCOPED enums.
1463
1464 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1465
1466         * fold-const.c (fold_comparison): Use ssizetype.
1467         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1468         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1469         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1470         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1471
1472         * tree.h (initialize_sizetypes): Remove parameter.
1473         (build_common_tree_nodes): Remove second parameter.
1474         * stor-layout.c (initialize_sizetypes): Remove parameter.
1475         Always create an unsigned type.
1476         (set_sizetype): Assert that the passed type is unsigned and simplify.
1477         * tree.c (build_common_tree_nodes): Remove second parameter.
1478         Adjust call to initialize_sizetypes.
1479         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1480         build_common_tree_nodes.
1481
1482 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1483
1484         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1485
1486 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1487
1488         PR tree-optimization/43771
1489         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1490         load permutation doesn't have gaps.
1491
1492 2010-04-18  Jan Hubicka  <jh@suse.cz>
1493
1494         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1495         (sse_prologue_save_insn expander): Use new pattern.
1496         (sse_prologue_save_insn1): New pattern and splitter.
1497         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1498         blocks.
1499         * i386.c (setup_incoming_varargs_64): Do not compute jump
1500         destination here.
1501         (ix86_gimplify_va_arg): Update alignment needed.
1502         (ix86_local_alignment): Do not align all local arrays to 128bit.
1503
1504 2010-04-17  Jan Hubicka  <jh@suse.cz>
1505
1506         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1507
1508 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1509
1510         * arm.md (negdi2): Remove redundant code to force values into a
1511         register.
1512
1513 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1514
1515         * arm/bpabi.S: Add EABI alignment attributes to objects.
1516         * arm/bpabi-v6m.S: Likewise.
1517         * arm/crti.asm: Likewise.
1518         * arm/crtn.asm: Likewise.
1519         * arm/lib1funcs.asm: Likewise.
1520         * arm/libunwind.S: Likewise.
1521
1522 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1523
1524         * arm-protos.h (tune_params): New structure.
1525         * arm.c (current_tune): New variable.
1526         (arm_constant_limit): Delete.
1527         (struct processors): Add pointer to the tune parameters.
1528         (arm_slowmul_tune): New tuning option.
1529         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1530         (all_cores): Adjust to pick up the tuning model.
1531         (arm_constant_limit): New function.
1532         (arm_override_options): Select the appropriate tuning model.  Delete
1533         initialization of arm_const_limit.
1534         (arm_split_constant): Use the new constant-limit model.
1535         (arm_rtx_costs): Pick up the current tuning model.
1536         * arm.md (is_strongarm, is_xscale): Delete.
1537         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1538         for Xscale variant architectures.
1539         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1540
1541 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1542
1543         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1544         can_shift.
1545         (arm_rtx_costs_1): Remove unused variable extra_cost.
1546         (arm_unwind_emit_set): Use variable offset.
1547         (thumb1_output_casesi): Remove unused variable flags.
1548
1549 2010-04-16  Jeff Law  <law@redhat.com>
1550
1551         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1552         needing assignment rather than doing a two-phase assignment.  Remove
1553         unused variable 'm'.
1554
1555 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1556
1557         PR bootstrap/43767
1558         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1559
1560 2010-04-16  Doug Kwan  <dougkwan@google.com>
1561
1562         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1563         (next_operand_entry_id): New static variable.
1564         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1565         (add_to_ops_vec): Assigned unique ID to operand entry.
1566         (struct oecount_s): New field ID.
1567         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1568         (undistribute_ops_list): Assign unique IDs to oecounts.
1569         (init_reassoc): reset next_operand_entry_id.
1570
1571 2010-04-16  Doug Kwan  <dougkwan@google.com>
1572
1573         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1574         missing left parenthesis.
1575
1576 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1577
1578         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1579         *btdi_rex64 using SWI48 mode iterator.
1580         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1581         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1582         *jcc_btdi_mask_rex64.
1583
1584 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1585
1586         * double-int.h (tree_to_double_int): Convert to macro.
1587         * double-int.c (tree_to_double_int): Remove.
1588
1589 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR debug/43762
1592         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1593         with want_address 2 and in case a single element list might be
1594         possible, call it again with want_address 0.
1595
1596 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1597
1598         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1599         case 'W' print operands for HI mode.
1600         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1601         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1602         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1603         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1604
1605         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1606
1607         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1608         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1609         #xx:3 and #xx:4 mode.
1610
1611         * config/h8300/h8300.md (inverted load with HImode dest): Add
1612         support for H8300SX.
1613
1614         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1615         satisfy 'U' constraint.
1616
1617 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1618
1619         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1620         * configure: Regenerate.
1621         * config.in: Regenerate.
1622         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1623         works.
1624
1625 2010-04-16  Richard Guenther  <rguenther@suse.de>
1626
1627         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1628         (struct tree_decl_common): ... here.
1629         (DECL_PT_UID): Adjust.
1630         (SET_DECL_PT_UID): Likewise.
1631         (DECL_PT_UID_SET_P): Likewise.
1632
1633 2010-04-16  Richard Guenther  <rguenther@suse.de>
1634
1635         PR tree-optimization/43572
1636         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1637         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1638         * tree-flow.h (is_call_clobbered): Remove.
1639         * tree-flow-inline.h (is_call_clobbered): Likewise.
1640         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1641         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1642         (execute_return_slot_opt): Adjust.
1643         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1644         check for call clobbered vars here.
1645         (find_tail_calls): Move tailcall verification to the
1646         proper place.
1647
1648 2010-04-16  Diego Novillo  <dnovillo@google.com>
1649
1650         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1651
1652 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1653
1654         PR target/40603
1655         * config/arm/arm.md (cbranchqi4): New pattern.
1656         * config/arm/predicates.md (const0_operand,
1657         cbranchqi4_comparison_operator): New predicates.
1658
1659 2010-04-16  Richard Guenther  <rguenther@suse.de>
1660
1661         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1662         (dump_gimple_stmt): Likewise.
1663
1664 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1665
1666         * recog.h (struct recog_data): New field is_operator.
1667         (struct insn_operand_data): New field is_operator.
1668         * recog.c (extract_insn): Set recog_data.is_operator.
1669         * genoutput.c (output_operand_data): Emit code to set the
1670         is_operator field.
1671         * reload.c (find_reloads): Use it rather than testing for an
1672         empty constraint string.
1673
1674         PR target/41514
1675         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1676         If the previous insn is a cbranchsi4_insn with the same arguments,
1677         omit the compare instruction.
1678
1679         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1680         register, inputs must be low registers and we need a low register
1681         scratch.  Handle alternative 2 like alternative 3.
1682
1683 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1684
1685         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1686         don't call get_addr on both.  If one expression is a VALUE and
1687         the other a REG, check VALUE's locs if the REG isn't among them.
1688
1689 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1690
1691         * config/sh/sh.h (sh_frame_pointer_required): New function.
1692         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1693         (flag_omit_frame_pointer) Set.
1694         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1695         (rounded_frame_size): Adjust size with outgoing_args_size.
1696         (sh_set_return_address): Must return from stack pointer.
1697         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1698         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1699         (ACCUMULATE_OUTGOING_ARGS): Define.
1700         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1701         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1702
1703 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1704
1705         PR target/43471
1706         * config/sh/sh.c (sh_legitimize_reload_address): Use
1707         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1708         Remove a unneeded check for offset_base.
1709
1710 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1711
1712         * configure: Regenerated.
1713
1714 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1715
1716         * config/s390/s390.c (s390_call_save_register_used): Switch back
1717         to HARD_REGNO_NREGS.
1718
1719 2010-04-15  Richard Guenther  <rguenther@suse.de>
1720
1721         * alias.c (alias_set_subset_of): Handle alias-set zero
1722         child properly.
1723
1724 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1725             Julian Brown  <julian@codesourcery.com>
1726
1727         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1728         alternatives according to use of high and low regs.
1729         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1730         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1731         optimizing for size on Thumb-2.
1732
1733 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1734
1735         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1736
1737 2010-04-15  Richard Guenther  <rguenther@suse.de>
1738
1739         * tree-ssa-structalias.c (struct variable_info): Add
1740         is_fn_info flag.
1741         (new_var_info): Initialize it.
1742         (dump_constraints): Support printing last added constraints.
1743         (debug_constraints): Adjust.
1744         (dump_constraint_graph): Likewise.
1745         (make_heapvar_for): Check for NULL cfun.
1746         (get_function_part_constraint): New function.
1747         (get_fi_for_callee): Likewise.
1748         (find_func_aliases): Properly implement IPA PTA constraints.
1749         (process_ipa_clobber): New function.
1750         (find_func_clobbers): Likewise.
1751         (insert_into_field_list_sorted): Remove.
1752         (create_function_info_for): Properly allocate vars for IPA mode.
1753         Do not use insert_into_field_list_sorted.
1754         (create_variable_info_for): Properly generate constraints for
1755         global vars in IPA mode.
1756         (dump_solution_for_var): Always dump the solution.
1757         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1758         (find_what_var_points_to): Adjust.
1759         (pt_solution_set): Change.
1760         (pt_solution_ior_into): New function.
1761         (pt_solution_empty_p): Export.
1762         (pt_solution_includes_global): Adjust.
1763         (pt_solution_includes_1): Likewise.
1764         (pt_solutions_intersect_1): Likewise.
1765         (dump_sa_points_to_info): Check some invariants.
1766         (solve_constraints): Move constraint dumping ...
1767         (compute_points_to_sets): ... here.
1768         (ipa_pta_execute): ... and here.
1769         (compute_may_aliases): Do not re-compute points-to info
1770         locally if IPA info is available.
1771         (ipa_escaped_pt): New global var.
1772         (ipa_pta_execute): Properly implement IPA PTA.
1773         * tree-into-ssa.c (dump_decl_set): Support dumping
1774         decls not in referenced-vars.
1775         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1776         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1777         (dump_points_to_solution): Likewise.
1778         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1779         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1780         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1781         (copy_decl_to_var): Copy DECL_PT_UID.
1782         (copy_result_decl_to_var): Likewise.
1783         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1784         (copy_node_stat): Copy it.
1785         * tree.h (DECL_PT_UID): New macro.
1786         (SET_DECL_PT_UID): Likewise.
1787         (DECL_PT_UID_SET_P): Likewise.
1788         (struct tree_decl_minimal): Add pt_uid member.
1789         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1790         (pt_solution_empty_p): Declare.
1791         (pt_solution_set): Adjust.
1792         (ipa_escaped_pt): Declare.
1793         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1794         * gimple-pretty-print.c (pp_points_to_solution): New function.
1795         (dump_gimple_call): Dump call clobber/use information.
1796         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1797         * tree-pass.h (TDF_ALIAS): New dump option.
1798         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1799         * doc/invoke.texi (-fipa-pta): Update documentation.
1800
1801 2010-04-15  Richard Guenther  <rguenther@suse.de>
1802
1803         * Makefile.in (OBJS-common): Add gimple-fold.o.
1804         (gimple-fold.o): New rule.
1805         * tree.h (maybe_fold_offset_to_reference,
1806         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1807         prototypes ...
1808         * gimple.h: ... here.
1809         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1810         may_propagate_address_into_dereference): Move prototypes ...
1811         * gimple.h: ... here.
1812         * tree-ssa-ccp.c (get_symbol_constant_value,
1813         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1814         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1815         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1816         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1817         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1818         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1819         gimplify_and_update_call_from_tree): Move ...
1820         * gimple-fold.c: ... here.  New file.
1821         (ccp_fold_builtin): Rename to ...
1822         (gimple_fold_builtin): ... this.
1823         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1824
1825 2010-04-15  Richard Guenther  <rguenther@suse.de>
1826
1827         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1828         fit_double_type, force_fit_type_double, add_double_with_sign,
1829         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1830         lrotate_double, rrotate_double, div_and_round_double): Move ...
1831         * double-int.c: ... here.
1832         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1833         add_double, neg_double, mul_double_with_sign, mul_double,
1834         lshift_double, rshift_double, lrotate_double, rrotate_double,
1835         div_and_round_double): Move prototypes ...
1836         * double-int.h: ... here.
1837
1838 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1839
1840         PR target/43742
1841         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1842         matching constraints to ensure inputs match the output.
1843
1844 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1845
1846         PR target/43742
1847         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1848         in an input-only operand.
1849
1850 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1851
1852         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1853         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1854         (double_int_negative_p): Convert to static inline function.
1855         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1856         (double_int_negative_p): Remove.
1857         * tree.h (lshift_double, rshift_double):
1858         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1859         * fold-const.c (fold_convert_const_int_from_real,
1860         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1861         (lshift_double): Change type of arith argument to bool.
1862         (rshift_double): Change type of arith argument to bool. Correct
1863         comment.
1864         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1865
1866 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1867
1868         PR target/21803
1869         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1870         at the start and end of the then/else blocks, and omit them from the
1871         conversion.
1872         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1873         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1874         (flow_find_head_matching_sequence): New function.
1875         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1876         * basic-block.h (flow_find_cross_jump,
1877         flow_find_head_matching_sequence): Declare functions.
1878
1879 2010-04-14  Jason Merrill  <jason@redhat.com>
1880
1881         PR c++/36625
1882         * c-common.c (attribute_takes_identifier_p): New fn.
1883         * c-common.h: Declare it.
1884
1885 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1886
1887         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1888         splitter condition.
1889         (*udivmod<mode>4): Ditto.
1890
1891 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1892
1893         * config/i386/i386.md (maxmin_int): Rename code attribute from
1894         maxminiprefix and update all users.
1895         (maxmin_float): Ditto from maxminfprefix.
1896         (logic): Ditto from logicprefix.
1897         (absneg_mnemonic): Ditto from absnegprefix.
1898         * config/i386/mmx.md: Update all users of maxminiprefix,
1899         maxminfprefix and logicprefix for rename.
1900         * config/i386/sse.md: Ditto.
1901         * config/i386/sync.md (sync_<code><mode>): Update for
1902         logicprefix rename.
1903
1904 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1905
1906         PR 42966
1907         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1908         warnings converted to errors.
1909
1910 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1911
1912         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1913         used insn_type variable.
1914         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1915         to avoid set-but-not-used warning.
1916
1917 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1918
1919         * df-core.c (df_ref_debug): Change format string placeholder
1920         from 0x%x to %#x.
1921         * dwarf2asm.c (dw2_asm_output_data_raw,
1922         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1923         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1924         * dwarf2out.c (output_cfi, output_cfi_directive,
1925         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1926         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1927         Ditto.
1928         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1929         * print-rtl.c (print_rtx): Ditto.
1930
1931 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1932
1933         PR middle-end/42694
1934         * builtins.c (expand_builtin_pow_root): New function to expand pow
1935         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1936         series of sqrt and cbrt calls under -ffast-math.
1937         (expand_builtin_pow): Call it.
1938
1939 2010-04-14  Michael Matz  <matz@suse.de>
1940
1941         PR tree-optimization/42963
1942         * tree-cfg.c (touched_switch_bbs): New static variable.
1943         (group_case_labels_stmt): New function broken out from ...
1944         (group_case_labels): ... here, use the above.
1945         (start_recording_case_labels): Allocate touched_switch_bbs.
1946         (end_recording_case_labels): Deallocate it, call
1947         group_case_labels_stmt.
1948         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1949
1950 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1951
1952         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1953         from insn template.
1954
1955 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1956
1957         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1958
1959 2010-04-13  Jan Hubicka  <jh@suse.cz>
1960
1961         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1962         of optimized out static functions.
1963         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1964         cost computation.  Also sanity check for overflows.
1965         (update_caller_keys): Update cgraph_edge_badness call; properly
1966         update fibheap and sanity check that it is up to date.
1967         (add_new_edges_to_heap): Update cgraph_edge_badness.
1968         (cgraph_decide_inlining_of_small_function): Likewise;
1969         add sanity checking that badness in heap is up to date;
1970         improve dumping of reason; Update badness of calls to the
1971         offline copy of function currently inlined; dump badness
1972         of functions not inlined because of unit growth limits.
1973
1974 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1975
1976         PR middle-end/32628
1977         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1978         because of sign-extension change when converting to sizetype here...
1979         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1980
1981         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1982         the folding to constants.  Remove redundant final conversion.
1983         (fold_binary) <associate>: Do not associate if the re-association of
1984         constants alone overflows.
1985         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1986         to the end of the list.
1987         (multiple_of_p) <COND_EXPR>: New case.
1988
1989 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1990
1991         * opt-functions.awk (opt_sanitized_name): New.
1992         (opt_enum): New.
1993         * optc-gen.awk: Use it
1994         * opth-gen.awk: Use it.
1995
1996 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1997
1998         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1999         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2000         children.  Call replace_uses_with_default_def_ssa_name to handle
2001         SSA_NAES on lhs.
2002
2003 2010-04-13  Michael Matz  <matz@suse.de>
2004
2005         PR middle-end/43730
2006         * builtins.c (expand_builtin_interclass_mathfn): Also create
2007         a register if the predicate doesn't match.
2008
2009 2010-04-13  Diego Novillo  <dnovillo@google.com>
2010
2011         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2012         * c-pch.c: Include timevar.h.
2013         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2014         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2015         * ggc-common.c: Include timevar.h.
2016         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2017         * timevar.def (TV_PCH_SAVE): Define.
2018         (TV_PCH_CPP_SAVE): Define.
2019         (TV_PCH_PTR_REALLOC): Define.
2020         (TV_PCH_PTR_SORT): Define.
2021         (TV_PCH_RESTORE): Define.
2022         (TV_PCH_CPP_RESTORE): Define.
2023
2024 2010-04-13  Michael Matz  <matz@suse.de>
2025
2026         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2027         into MINUS_EXPRs.
2028         (can_reassociate_p): New function.
2029         (break_up_subtract_bb, reassociate_bb): Use it.
2030
2031 2010-04-13  Richard Guenther  <rguenther@suse.de>
2032
2033         PR bootstrap/43737
2034         * builtins.c (c_readstr): Fix assert.
2035
2036 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2037
2038         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2039         when generating cltd insn.
2040
2041         (*ashl<mode>3_1): Remove special handling for register operand 2.
2042         (*ashlsi3_1_zext): Ditto.
2043         (*ashlhi3_1): Ditto.
2044         (*ashlhi3_1_lea): Ditto.
2045         (*ashlqi3_1): Ditto.
2046         (*ashlqi3_1_lea): Ditto.
2047         (*<shiftrt_insn><mode>3_1): Ditto.
2048         (*<shiftrt_insn>si3_1_zext): Ditto.
2049         (*<shiftrt_insn>qi3_1_slp): Ditto.
2050         (*<rotate_insn><mode>3_1): Ditto.
2051         (*<rotate_insn>si3_1_zext): Ditto.
2052         (*<rotate_insn>qi3_1_slp): Ditto.
2053
2054 2010-04-13  Richard Guenther  <rguenther@suse.de>
2055
2056         * tree-ssa-structalias.c (callused_id): Remove.
2057         (call_stmt_vars): New.
2058         (get_call_vi): Likewise.
2059         (lookup_call_use_vi): Likewise.
2060         (lookup_call_clobber_vi): Likewise.
2061         (get_call_use_vi): Likewise.
2062         (get_call_clobber_vi): Likewise.
2063         (make_transitive_closure_constraints): Likewise.
2064         (handle_const_call): Adjust to do per-call call-used handling.
2065         (handle_pure_call): Likewise.
2066         (find_what_var_points_to): Remove general callused handling.
2067         (init_base_vars): Likewise.
2068         (init_alias_vars): Initialize call_stmt_vars.
2069         (compute_points_to_sets): Process call-used and call-clobbered
2070         vars for call statements.
2071         (delete_points_to_sets): Free call_stmt_vars.
2072
2073 2010-04-13  Richard Guenther  <rguenther@suse.de>
2074
2075         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2076         Only add RW dependence for dependence distance zero.
2077         Adjust maximal vectorization factor according to dependences.
2078         Move alignment handling ...
2079         (vect_find_same_alignment_drs): ... here.  New function.
2080         (vect_analyze_data_ref_dependences): Adjust.
2081         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2082         (vect_analyze_data_refs): Adjust minimal vectorization factor
2083         according to data references.
2084         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2085         dependences before determining the vectorization factor.
2086         Analyze alignment after determining the vectorization factor.
2087         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2088         dependences before alignment.
2089         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2090         Adjust prototype.
2091         (vect_analyze_data_refs): Likewise.
2092         (MAX_VECTORIZATION_FACTOR): New define.
2093
2094 2010-04-13  Duncan Sands  <baldrick@free.fr>
2095
2096         * except.h (lang_eh_type_covers): Remove.
2097         * except.c (lang_eh_type_covers): Likewise.
2098
2099 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2100             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2101
2102         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2103         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2104         UNITS_PER_LONG where it is ABI relevant.
2105         (s390_return_addr_rtx): Likewise.
2106         (s390_back_chain_rtx): Likewise.
2107         (s390_frame_area): Likewise.
2108         (s390_frame_info): Likewise.
2109         (s390_initial_elimination_offset): Likewise.
2110         (save_gprs): Likewise.
2111         (s390_emit_prologue): Likewise.
2112         (s390_emit_epilogue): Likewise.
2113         (s390_function_arg_advance): Likewise.
2114         (s390_function_arg): Likewise.
2115         (s390_va_start): Likewise.
2116         (s390_gimplify_va_arg): Likewise.
2117         (s390_function_profiler): Likewise.
2118         (s390_optimize_prologue): Likewise.
2119         (s390_rtx_costs): Likewise.
2120         (s390_secondary_reload): Likewise.
2121         (s390_promote_function_mode): Likewise.
2122         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2123         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2124         registers available.
2125         (s390_unwind_word_mode): New function.
2126         (s390_function_value): Split 64 bit values into register pair if
2127         used as return value.
2128         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2129         function call parameters.  Handle parallels.
2130         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2131         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2132         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2133         (s390_expand_setmem): Remove unused variable src_addr.
2134         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2135         deal with 64 bit registers.
2136         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2137         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2138         (UNITS_PER_LONG): New macro.
2139         * libjava/include/s390-signal.h: Define extended ucontext
2140         structure containing the upper halfs of the 64 bit registers.
2141
2142 2010-04-13  Simon Baldwin  <simonb@google.com>
2143
2144         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2145
2146 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2147
2148         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2149         rvalue on the RHS if the LHS is of a non-renamable type.
2150         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2151
2152 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2153
2154         * gcc.c (cc1_options): Handle -iplugindir before processing
2155         the cc1 spec. Only add -iplugindir once.
2156         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2157         found.
2158         * common.opt (iplugindir): Remove `Separate' property, initialize.
2159         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2160         option.
2161         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2162         (distclean): Remove plugin dir.
2163         * doc/invoke.texi: Document -iplugindir.
2164
2165 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2166
2167         * doc/plugins.texi (Loading Plugins): Document short
2168         -fplugin=foo option.
2169         (Plugin API): Mention default_plugin_dir_name function.
2170
2171         * gcc.c (find_file_spec_function): Add new declaration.
2172         (static_spec_func): Use it for "find-file".
2173         (find_file_spec_function): Add new function.
2174         (cc1_options): Add -iplugindir option if -fplugin* options found.
2175
2176         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2177
2178         * plugin.c (add_new_plugin): Updated comment, and handle short
2179         plugin name.
2180         (default_plugin_dir_name): Added new function.
2181
2182         * common.opt (iplugindir): New option to set the plugin directory.
2183
2184 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2185
2186         * config/i386/i386.md (any_rotate): New code iterator.
2187         (rotate_insn): New code attribute.
2188         (rotate): Ditto.
2189         (SWIM124): New mode iterator.
2190         (<rotate_insn>ti3): New expander.
2191         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2192         any_rotate code iterator.
2193         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2194         using any_rotate code iterator and SWIM124 mode iterator.
2195         (ix86_rotlti3): New insn_and_split pattern.
2196         (ix86_rotrti3): Ditto.
2197         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2198         ix86_rotl{di,ti}3 patterns.
2199         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2200         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2201         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2202         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2203         code iterator and SWI mode iterator.
2204         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2205         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2206         code iterator.
2207         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2208         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2209         (bswap rotatert splitter): Add splitter.
2210         (bswap splitter): Macroize splitter using any_rotate code iterator.
2211         Add insn predicate to split only for TARGET_USE_XCHGB or when
2212         optimizing function for size.
2213
2214 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2215
2216         * config/pa/pa.c (emit_move_sequence): Remove use of
2217         deleted variable flag_argument_noalias.
2218
2219 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2220
2221         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2222         configurations.
2223         Add to unsupported targets list.
2224         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2225         sparc*-sun-solaris2.[567]* from target lists.
2226         * configure: Regenerate.
2227         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2228         removal.
2229         Remove Solaris 7 patch references.
2230         (Specific, sparc-sun-solaris2.7): Removed.
2231         (sparc-sun-solaris2*): Update Solaris 7 example.
2232         (sparc64-*-solaris2*): Likewise.
2233
2234 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2235
2236         * config.build (alpha*-dec-osf4*): Remove.
2237         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2238         of obsolete configurations.
2239         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2240         support.
2241         * config/alpha/t-osf4: Renamed to ...
2242         * config/alpha/t-osf5: ... this.
2243         * config/alpha/osf.h: Renamed to ...
2244         * config/alpha/osf5.h: ... this.
2245         Merged old osf5.h contents.
2246         Update comments.
2247         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2248         (EXTRA_SPECS): Removed.
2249         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2250         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2251         Document that.
2252
2253 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2254
2255         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2256
2257 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2258
2259         PR/43702
2260         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2261         __thiscall convention.
2262
2263 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2264
2265         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2266         orig_base.
2267         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2268
2269 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2270
2271         * function.c (assign_parms_initialize_all): Add unused attribute
2272         to fntype.
2273
2274 2010-04-12  Richard Guenther  <rguenther@suse.de>
2275
2276         * gsstruct.def (GSS_CALL): New.
2277         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2278         * gimple.h: Include tree-ssa-alias.h.
2279         (struct gimple_statement_call): New.
2280         (union gimple_statement_struct_d): Add gimple_call member.
2281         (gimple_call_reset_alias_info): Declare.
2282         (gimple_call_use_set): New function.
2283         (gimple_call_clobber_set): Likewise.
2284         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2285         * gimple.c (gimple_call_reset_alias_info): New function.
2286         (gimple_build_call_1): Call it.
2287         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2288         * tree-inline.c (remap_gimple_stmt): Likewise.
2289         (expand_call_inline): Remove callused handling.
2290         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2291         * tree-dfa.c (dump_variable): Likewise.
2292         * tree-parloops.c (parallelize_loops): Likewise.
2293         * tree-ssa.c (init_tree_ssa): Likewise.
2294         (delete_tree_ssa): Likewise.
2295         * tree-flow-inline.h (is_call_used): Remove.
2296         * tree-flow.h (struct gimple_df): Remove callused member.
2297         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2298         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2299         (ref_maybe_used_by_call_p_1): Simplify.
2300         (call_may_clobber_ref_p_1): Likewise.
2301         * tree-ssa-structalias.c (compute_points_to_sets): Set
2302         the call stmt used and clobbered sets.
2303         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2304         (find_tail_calls): Verify the tail call.
2305
2306 2010-04-12  Richard Guenther  <rguenther@suse.de>
2307
2308         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2309         single-iteration always-inline inlining.
2310         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2311         (cgraph_decide_inlining): Do not handle always-inline specially.
2312         (try_inline): Remove always-inline cycle detection special case.
2313         Do not recurse on always-inlines.
2314         (cgraph_early_inlining): Do not iterate if not optimizing.
2315         (cgraph_gate_early_inlining): remove.
2316         (pass_early_inline): Run unconditionally.
2317         (gate_cgraph_decide_inlining): New function.
2318         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2319         not inlining or optimizing.
2320         (cgraph_decide_inlining_of_small_functions): Also consider
2321         always-inline functions.
2322         (cgraph_default_inline_p): Return true for nodes which should
2323         disregard inline limits.
2324         (estimate_function_body_sizes): Assume zero size and time for
2325         nodes which are marked as disregarding inline limits.
2326         (cgraph_decide_recursive_inlining): Do not perform recursive
2327         inlining on always-inline nodes.
2328
2329 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2330
2331         PR bootstrap/43699
2332         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2333         for exprs satisfying handled_component_p.
2334
2335 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2336
2337         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2338         non-constant aggregate elements.
2339
2340         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2341         is a real initialization.
2342
2343 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2344
2345         PR c/36774
2346         * c-decl.c (start_function): Move forward check for nested function.
2347
2348 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2349
2350         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2351         * config/sh/sh.c: Include reload.h.
2352         (sh_legitimize_reload_address): New.
2353         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2354         sh_legitimize_reload_address.
2355
2356 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2357
2358         * config/sh/sh.md (*movqi_pop): New insn pattern.
2359         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2360
2361 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2362
2363         * config/i386/i386.md (any_shiftrt): New code iterator.
2364         (shiftrt_insn): New code attribute.
2365         (shiftrt): Ditto.
2366         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2367         using any_shiftrt code iterator.
2368         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2369         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2370         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2371         pattern from corresponding peephole2 patterns.
2372         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2373         using any_shiftrt code iterator.
2374         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2375         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2376         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2377         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2378         *{ashr,lshr}<mode>3_cmp_zext.
2379         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2380
2381 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2382
2383         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2384         scratch register.
2385         (*lshr<mode>3_cconly): Ditto.
2386
2387 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2388
2389         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2390         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2391         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2392         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2393         DWI mode iterator.
2394         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2395         from corresponding peephole2 patterns.
2396         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2397         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2398         and *lshrdi3_1_rex64 using SWI mode iterator.
2399         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2400         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2401         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2402         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2403         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2404         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2405         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2406         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2407         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2408         SWI mode iterator.
2409
2410 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2411
2412         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2413         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2414         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2415         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2416         DWI mode iterator.
2417         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2418         from corresponding peephole2 patterns.
2419         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2420         (ashrsi3_cvt): Rename from ashrsi3_31.
2421         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2422         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2423         and x86_64_shift_adj_3 using SWI48 mode iterator.
2424         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2425         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2426         and *ashrdi3_1_rex64 using SWI mode iterator.
2427         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2428         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2429         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2430         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2431         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2432         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2433         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2434         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2435         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2436         SWI mode iterator.
2437         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2438         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2439         x86_shift<mode>_adj_3 expanders.
2440
2441 2010-04-10  Wei Guozhi  <carrot@google.com>
2442
2443         PR target/42601
2444         * config/arm/arm.c (arm_pic_static_addr): New function.
2445         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2446         a static symbol.
2447         (arm_output_addr_const_extra): Output expression for new pattern.
2448         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2449
2450 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2451
2452         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2453         not enabled.
2454
2455         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2456         * web.c: Include "insn-config.h" and "recog.h".
2457         (union_match_dups): New function.
2458         (web_main): Call it.
2459         (union_defs): Don't try to recognize match_dups.
2460
2461         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2462         if doing so would replace the entire pattern.
2463
2464 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2465
2466         PR target/43707
2467         PR target/43709
2468         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2469         and splitter pattern.  Change splitter operand 1 predicate to
2470         nonmemory_operand.
2471
2472 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2473
2474         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2475         lattices are addresses of CONST_DECLs with the same initial value.
2476         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2477         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2478
2479 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2480             Bernd Schmidt  <bernds@codesourcery.com>
2481
2482         * loop-invariant.c (replace_uses): New static function.
2483         (move_invariant_reg): Use it to ensure we can replace the uses.
2484
2485 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2486
2487         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2488         function template.
2489         (picochip_override_options): Enable section anchors only above -O1.
2490         (picochip_reorg): Fixed a couple of build warnings.
2491
2492 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2493
2494         * configure.ac (plugin -rdynamic test): Log result.
2495         * configure: Regenerate.
2496         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2497         (RDYNAMIC_SPEC): Define.
2498         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2499
2500 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2501
2502         * configure.ac: Determine Sun ld version numbers.
2503         (comdat_group): Restrict GNU ld version checks to gld.
2504         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2505         (enable_comdat): Support --enable-comdat.
2506         * configure: Regenerate.
2507         * doc/install.texi (Configuration): Document --enable-comdat.
2508
2509 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2510
2511         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2512         * config/sol2-gld.h: ... here.
2513         * config.gcc (sparc*-*-solaris2*): Reflect this.
2514         (i[34567]86-*-solaris2*): Use it.
2515
2516 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2517
2518         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2519         setup_clocks_p.
2520         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2521
2522 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2523
2524         PR 42965
2525         * diagnostic.c (diagnostic_initialize): Initialize
2526         some_warnings_are_errors.
2527         (diagnostic_finish): New.
2528         (diagnostic_action_after_output): Call it before exiting.
2529         (diagnostic_report_diagnostic): Do not print message here. Set
2530         some_warnings_are_errors.
2531         * diagnostic.h (diagnostic_context): Delete
2532         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2533         (diagnostic_finish): Declare.
2534         * toplev.c (toplev_main): Call it before exit.
2535
2536 2010-04-09  Jason Merrill  <jason@redhat.com>
2537
2538         PR c++/42623
2539         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2540         for incomplete type.
2541
2542         PR c++/41788
2543         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2544         based on a warning flag.
2545
2546 2010-04-09  Richard Guenther  <rguenther@suse.de>
2547
2548         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2549
2550 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2551
2552         PR bootstrap/43684
2553         * varasm.c (default_assemble_visibility): Wrap vars that are
2554         set, but unused, by targets without GAS.
2555         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2556         Remove set, but unused, vars.
2557         (rs6000_legitimize_tls_address): Likewise.
2558         (altivec_expand_dst_builtin): Likewise.
2559         * config/darwin.c (machopic_classify_symbol): Likewise.
2560         (machopic_indirection_name): Likewise.
2561
2562 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2563
2564         * config/i386/i386.md (DWI): New mode iterator.
2565         (S): New mode attribute.
2566         (shift_operand): Ditto.
2567         (shift_immediate_operand): Ditto.
2568         (ashl_input_operand): Ditto.
2569         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2570         using SDWIM mode iterator.
2571         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2572         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2573         DWI mode iterator.
2574         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2575         from corresponding peephole2 patterns.
2576         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2577         and x86_64_shift_adj_1 using SWI48 mode iterator.
2578         (x86_shift<mode>_adj_2): Ditto.
2579         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2580         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2581         using SWI48 mode iterator.
2582         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2583         *ashldi3_cmp_rex64 using SWI mode iterator.
2584         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2585         *ashldi3_cconly_rex64 using SWI mode iterator.
2586         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2587         x86_shift<mode>_adj_{1,2}.
2588         (ix86_split_ashr): Ditto.
2589         (ix86_split_lshr): Ditto.
2590
2591 2010-04-09  Richard Guenther  <rguenther@suse.de>
2592
2593         * target.h (builtin_conversion): Pass in input and output types.
2594         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2595         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2596         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2597         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2598
2599         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2600         Handle AVX modes.
2601         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2602
2603 2010-04-09  Richard Guenther  <rguenther@suse.de>
2604
2605         PR target/43152
2606         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2607
2608 2010-04-09  Richard Guenther  <rguenther@suse.de>
2609
2610         * tree-vectorizer.h (struct _stmt_vec_info): Document
2611         that vectype is the type of the LHS.
2612         (supportable_widening_operation, supportable_narrowing_operation):
2613         Get both input and output vector types as arguments.
2614         (vect_is_simple_use_1): Declare.
2615         (get_same_sized_vectype): Likewise.
2616         * tree-vect-loop.c (vect_determine_vectorization_factor):
2617         Set STMT_VINFO_VECTYPE to the vector type of the def.
2618         (vectorizable_reduction): Adjust.
2619         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2620         Adjust.  Specify the output vector type.
2621         (vect_pattern_recog_1): Adjust.
2622         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2623         (vectorizable_call): Adjust.
2624         (vectorizable_conversion): Likewise.
2625         (vectorizable_operation): Likewise.
2626         (vectorizable_type_demotion): Likewise.
2627         (vectorizable_type_promotion): Likewise.
2628         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2629         the def.
2630         (vect_is_simple_use_1): New function.
2631         (supportable_widening_operation): Get both input and output
2632         vector types.
2633         (supportable_narrowing_operation): Likewise.
2634         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2635
2636 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2637
2638         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2639         __thiscall and _thiscall as predefined macros.
2640         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2641         thiscall attribute handling.
2642         (ix86_comp_type_attributes): Likewise.
2643         (ix86_function_regparm): Likewise.
2644         (ix86_return_pops_args): Likewise.
2645         (init_cumulative_args): Likewise.
2646         (find_drap_reg): Likewise.
2647         (ix86_static_chain): Likewise.
2648         (x86_this_parameter): Likewise.
2649         (x86_output_mi_thunk): Likewise.
2650         (ix86_attribute_table): Add description for thiscall attribute.
2651         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2652         * doc/extend.texi: Add documentation for thiscall.
2653
2654 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2655
2656         PR c++/28584
2657         * c.opt (Wint-to-pointer-cast): Available in C++.
2658         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2659
2660 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2661
2662         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2663         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2664         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2665         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2666         function type instead.  Reorder and simplify checks.
2667
2668         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2669
2670 2010-04-08  Jing Yu  <jingyu@google.com>
2671             Zdenek Dvorak  <ook@ucw.cz>
2672
2673         PR tree-optimization/42720
2674         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2675         loop unswitch conditions here from ...
2676         (tree_unswitch_single_loop): ... here.
2677
2678 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2679
2680         * tree-if-conv.c: Fix comments and simplify logic.
2681
2682 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2683
2684         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2685         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2686         (main_tree_if_conversion): Update call to tree_if_conversion.
2687
2688 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2689
2690         PR 42485
2691         * doc/invoke.texi (-b,-V): Delete.
2692         * doc/tm.texi: Do not mention -b.
2693         * gcc.c (display_help): Delete -b and -V.
2694         (process_command): Delete -b and -V.
2695         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2696
2697 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2698             Wolfgang Gellerich  <gellerich@de.ibm.com>
2699
2700         Implement target hook for loop unrolling
2701         * target.h (loop_unroll_adjust): Add a new target hook function.
2702         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2703         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2704         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2705         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2706         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2707         target hook.
2708         (decide_unroll_stupid): Likewise.
2709
2710 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2711
2712         PR target/43643
2713         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2714
2715 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2716
2717         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2718         (Specific, *-*-solaris2*): Likewise.
2719         Don't prefer Sun as over GNU as.
2720
2721 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2722
2723         * config/s390/s390.c (override_options): Adjust the z10
2724           defaults for max-unroll-times, max-completely-peeled-insns
2725           and max-completely-peel-times.
2726
2727 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2728
2729         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2730         instructions for z10.
2731         (s390_expand_setmem): Likewise.
2732         (s390_expand_cmpmem): Likewise.
2733
2734 2010-04-08  Richard Guenther  <rguenther@suse.de>
2735
2736         PR tree-optimization/43679
2737         * tree-ssa-pre.c (eliminate): Only propagate copies.
2738
2739 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2740
2741         PR bootstrap/43681
2742         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2743         set but not used variable warning.
2744
2745 2010-04-08  Wei Guozhi  <carrot@google.com>
2746
2747         PR target/41653
2748         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2749         (arm_size_rtx_costs): Call the new function when optimized for size.
2750
2751 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2752
2753         PR debug/43670
2754         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2755         op0 is not a MEM, just return NULL instead of assertion
2756         failure.
2757         (discover_nonconstant_array_refs): Don't walk debug stmts.
2758
2759 2010-04-08  Doug Kwan  <dougkwan@google.com>
2760
2761         * configure.ac: Recognize gold and do not use its version number
2762         to test ld features.
2763         * configure: Regenerate.
2764
2765 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2766
2767         PR middle-end/40815
2768         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2769         (negate_value): Move code to push elements to broken_up_substracts ...
2770         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2771         negative pair to plus_negates.
2772         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2773
2774 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2775
2776         * doc/install.texi (Configuration): Move description of
2777         --enable-lto, --with-libelf*, --enable-gold from Java section to
2778         general section.
2779
2780         * doc/generic.texi (Working with declarations)
2781         (Function Properties, C and C++ Trees): Fix typos.
2782         * doc/sourcebuild.texi (Top Level): Likewise.
2783
2784 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2785
2786         PR c/18624
2787         * tree.h (DECL_READ_P): Define.
2788         (struct tree_decl_common): Add decl_read_flag.
2789         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2790         a set but not used warning.
2791         (merge_decls): Merge DECL_READ_P flag.
2792         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2793         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2794         * c-common.c (handle_used_attribute, handle_unused_attribute):
2795         Likewise.
2796         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2797         New prototypes.
2798         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2799         New functions.
2800         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2801         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2802         c_parser_binary_expression, c_parser_cast_expression,
2803         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2804         Call default_function_array_read_conversion instead of
2805         default_function_array_conversion where needed.
2806         (c_parser_unary_expression, c_parser_conditional_expression,
2807         c_parser_postfix_expression_after_primary, c_parser_initelt):
2808         Likewise.  Call mark_exp_read where needed.
2809         (c_parser_statement_after_labels, c_parser_asm_operands,
2810         c_parser_typeof_specifier, c_parser_sizeof_expression,
2811         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2812         where needed.
2813         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2814         New.
2815         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2816         (warn_unused_but_set_parameter): Default to warn_unused
2817         && extra_warnings.
2818         * doc/invoke.texi: Document -Wunused-but-set-variable and
2819         -Wunused-but-set-parameter.
2820
2821         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2822         used count variable.
2823         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2824         when operandN variables aren't used in the body of the expander
2825         or splitter.
2826         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2827         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2828         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2829         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2830         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2831         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2832         * tree.c (PROCESS_ARG): Likewise.
2833
2834 2010-04-07  Simon Baldwin  <simonb@google.com>
2835
2836         * diagnostic.h (diagnostic_override_option_index): New macro to
2837         set a diagnostic's option_index.
2838         * c-tree.h (c_cpp_error): Add warning reason argument.
2839         * opts.c (_warning_as_error_callback): New.
2840         (register_warning_as_error_callback): Store callback for
2841         warnings enabled via enable_warning_as_error.
2842         (enable_warning_as_error): Call callback, minor code tidy.
2843         * opts.h (register_warning_as_error_callback): Declare.
2844         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2845         response to -Werror=.
2846         (c_common_init_options): Register warning_as_error_callback in opts.c.
2847         * common.opt: Add -Wno-cpp option.
2848         * c-common.c (struct reason_option_codes_t): Map cpp warning
2849         reason codes to gcc option indexes.
2850         * (c_option_controlling_cpp_error): New function, lookup the gcc
2851         option index for a cpp warning reason code.
2852         * (c_cpp_error): Add warning reason argument, call
2853         c_option_controlling_cpp_error for diagnostic_override_option_index.
2854         * doc/invoke.texi: Document -Wno-cpp.
2855
2856 2010-04-07  Richard Guenther  <rguenther@suse.de>
2857
2858         * ipa-reference.c (mark_load): Use get_base_address.
2859         (mark_store): Likewise.
2860
2861         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2862         inserting GIMPLE_NOPs into the IL.
2863         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2864         Explicitly strip handled components and indirect references.
2865
2866         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2867         folding address expressions.
2868         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2869         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2870         operand_equal_p to compare decls.
2871         (ptr_deref_may_alias_decl_p): Likewise.
2872         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2873         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2874         Handle reversed comparison ops.
2875         * tree-sra.c (asm_visit_addr): Use get_base_address.
2876         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2877         * ipa-reference.c (mark_address): Use get_base_address.
2878
2879 2010-04-07  Richard Guenther  <rguenther@suse.de>
2880
2881         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2882         Propagate constants everywhere.
2883
2884 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2885
2886         PR debug/43516
2887         * tree.c (MAX_INT_CACHED_PREC): Define.
2888         (nonstandard_integer_type_cache): New array.
2889         (build_nonstandard_integer_type): Cache results for precision
2890         <= MAX_INT_CACHED_PREC.
2891
2892 2010-04-07  Richard Guenther  <rguenther@suse.de>
2893
2894         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2895         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2896         * common.opt: Likewise.
2897         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2898         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2899         (nonoverlapping_memrefs_p): Likewise.
2900         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2901         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2902         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2903         OPT_fargument_noalias_global for backward compatibility.
2904
2905 2010-04-07  Richard Guenther  <rguenther@suse.de>
2906
2907         PR tree-optimization/43270
2908         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2909         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2910         * tree-ssa-pre.c (phi_translate_1): Adjust.
2911         (fully_constant_expression): Split out vn_reference handling to ...
2912         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2913         Fold reads from constant strings.
2914         (vn_reference_lookup): Handle fully constant references.
2915         (vn_reference_lookup_pieces): Likewise.
2916         * Makefile.in (expmed.o-warn): Add -Wno-error.
2917
2918 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2919
2920         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2921
2922 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2923
2924         PR driver/41594
2925         * gcc.c: Add -static-libstdc++ to list of recognized options.
2926
2927 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2928
2929         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2930
2931 2010-04-07  Richard Guenther  <rguenther@suse.de>
2932
2933         PR middle-end/42617
2934         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2935         bases build simple mem attributes to retain points-to information.
2936
2937 2010-04-07  Richard Guenther  <rguenther@suse.de>
2938
2939         PR middle-end/42617
2940         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2941         preserve points-to related information.
2942
2943 2010-04-07  Richard Guenther  <rguenther@suse.de>
2944
2945         PR middle-end/42617
2946         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2947         discard plain indirect references.
2948         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2949         * tree.c (tree_nop_conversion): Likewise.
2950
2951 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2952
2953         PR debug/43628
2954         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2955
2956 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2957
2958         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2959         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2960
2961 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * tree-if-conv.c: Fix indentation and comments.
2964
2965 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2966
2967         * tree-if-conv.c: Sort static functions in topological order.
2968
2969 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2970
2971         * tree-if-conv.c: Fix indentation and comments.
2972
2973 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         PR middle-end/43519
2976         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2977         lang_hooks.types.type_for_size instead of
2978         build_nonstandard_integer_type.
2979         When converting an unsigned type to signed, double its precision.
2980         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2981         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2982         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2983         use lb <= ub.
2984
2985 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2986
2987         PR middle-end/43519
2988         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2989         POINTER_PLUS_EXPR for pointer types.
2990
2991 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         PR middle-end/43519
2994         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2995         * graphite-clast-to-gimple.c: Include langhooks.h.
2996         (max_signed_precision_type): New.
2997         (max_precision_type): Takes two types as arguments.
2998         (precision_for_value): New.
2999         (precision_for_interval): New.
3000         (gcc_type_for_interval): New.
3001         (gcc_type_for_value): New.
3002         (gcc_type_for_clast_term): New.
3003         (gcc_type_for_clast_red): New.
3004         (gcc_type_for_clast_bin): New.
3005         (gcc_type_for_clast_expr): Split up into several functions.
3006         (gcc_type_for_clast_eq): Rewritten.
3007         (compute_bounds_for_level): New.
3008         (compute_type_for_level_1): New.
3009         (compute_type_for_level): New.
3010         (gcc_type_for_cloog_iv): Removed.
3011         (gcc_type_for_iv_of_clast_loop): Rewritten.
3012         (graphite_create_new_loop): Compute the lower and upper bound types
3013         with gcc_type_for_clast_expr.
3014         (graphite_create_new_loop_guard): Same.
3015         (find_cloog_iv_in_expr): Removed.
3016         (compute_cloog_iv_types_1): Removed.
3017         (compute_cloog_iv_types): Removed.
3018         (gloog): Do not call compute_cloog_iv_types.
3019         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3020         GBB_CLOOG_IV_TYPES.
3021         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3022         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3023         (GBB_CLOOG_IV_TYPES): Removed.
3024
3025 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3026
3027         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3028         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3029         (detect_commutative_reduction): Same.
3030
3031 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3032
3033         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3034         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3035         argument.
3036         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3037         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3038         (rewrite_commutative_reductions_out_of_ssa): Same.
3039         * passes.c (execute_function_todo): Call verify_ssa for every pass
3040         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3041         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3042         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3043         with an extra argument.
3044         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3045         verify_ssa only when the extra argument is true.
3046         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3047         with an extra argument.
3048         (tree_transform_and_unroll_loop): Same.
3049
3050 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3051
3052         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3053         for all the passes of the LNO having LOOP_CLOSED_SSA.
3054         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3055         * tree-loop-distribution.c (pass_loop_distribution): Same.
3056         * tree-pass.h (TODO_verify_loops): Removed.
3057         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3058         (pass_lim): Same.
3059         (pass_tree_unswitch): Same.
3060         (pass_predcom): Same.
3061         (pass_vectorize): Same.
3062         (pass_linear_transform): Same.
3063         (pass_graphite_transforms): Same.
3064         (pass_iv_canon): Same.
3065         (pass_complete_unroll): Same.
3066         (pass_complete_unrolli): Same.
3067         (pass_parallelize_loops): Same.
3068         (pass_loop_prefetch): Same.
3069         (pass_iv_optimize): Same.
3070
3071 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3072
3073         PR middle-end/32824
3074         * passes.c (init_optimization_passes): Move pass_lim before
3075         pass_copy_prop and pass_dce_loop.
3076
3077 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR target/43667
3080         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3081         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3082         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3083         MULTI_* defines for 4 argument vpermil2p* builtins.
3084
3085 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3086
3087         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3088         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3089         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3090         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3091         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3092         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3093         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3094         Use x86_maybe_negate_const_int to output insn mnemonic.
3095         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3096         check from instruction predicate.  Update comments.
3097         * config/i386/sync.md (sync_add<mode>): Use
3098         x86_maybe_negate_const_int to output insn mnemonic.
3099
3100 2010-04-06  Jan Hubicka  <jh@suse.cz>
3101
3102         PR tree-optimization/42906
3103         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3104         IGNORE_SELF argument.  Set visited_control_parents for fully
3105         processed BBs.
3106         (find_obviously_necessary_stmts): Update call of
3107         mark_control_dependent_edges_necessary.
3108         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3109
3110 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3111
3112         * config/i386/i386.md: Remove comment about 'e' and 'E'
3113         operand modifier.
3114
3115 2010-04-06  Richard Guenther  <rguenther@suse.de>
3116
3117         PR tree-optimization/43627
3118         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3119         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3120         not varying.
3121
3122 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3123
3124         * BASE-VER: Change to 4.6.0.
3125
3126         PR target/43638
3127         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3128         handling.
3129
3130 2010-04-06  Richard Guenther  <rguenther@suse.de>
3131
3132         PR middle-end/43661
3133         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3134
3135 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3136
3137         * doc/invoke.texi (Optimize Options): Document that LTO
3138         won't remove object access purely due to incompatible
3139         declarations.
3140
3141 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3142
3143         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3144         Initialize variable.
3145
3146 2010-04-03  Richard Guenther  <rguenther@suse.de>
3147
3148         PR middle-end/42509
3149         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3150         require a non-NULL MEM_OFFSET.
3151
3152 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3153
3154         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3155         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3156         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3157         config/alpha/predicates.md, config/arm/arm.md,
3158         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3159         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3160         config/darwin9.h, config/darwin.c, config/darwin.h,
3161         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3162         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3163         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3164         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3165         config/mips/mips.md, config/mn10300/mn10300.c,
3166         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3167         config/rs6000/aix.h, config/rs6000/dfp.md,
3168         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3169         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3170         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3171         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3172         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3173         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3174         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3175         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3176         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3177         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3178         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3179         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3180         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3181         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3182         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3183         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3184         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3185         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3186         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3187         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3188         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3189         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3190         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3191         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3192         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3193         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3194         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3195         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3196         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3197         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3198         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3199         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3200         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3201         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3202         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3203         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3204
3205 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3206
3207         PR other/43620
3208         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3209         * aclocal.m4: Regenerate.
3210
3211 2010-04-02  Richard Guenther  <rguenther@suse.de>
3212
3213         PR tree-optimization/43629
3214         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3215         if we have seen a constant value.
3216
3217 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3218
3219         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3220
3221 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3222
3223         PR target/43469
3224         * arm.c (legitimize_tls_address): Adjust call to
3225         gen_tls_load_dot_plus_four.
3226         (arm_note_pic_base): New function.
3227         (arm_cannot_copy_insn_p): Use it.
3228         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3229         constraint.
3230
3231 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3232
3233         PR bootstrap/43531
3234
3235         Revert:
3236         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3237
3238         * Makefile.in ($(out_object_file)): Depend on
3239         gt-$(basename $(notdir $(out_file))).h.
3240
3241 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3242
3243         * config.gcc (lm32-*-rtems*): Add t-lm32.
3244
3245 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3246
3247         * config.gcc: Add lm32-*-rtems*.
3248         * config/lm32/rtems.h: New file.
3249
3250 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3251
3252         PR target/42609
3253         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3254
3255 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3256
3257         * dwarf2out.c (output_compilation_unit_header): For
3258         -gdwarf-4 use version 4 instead of version 3.
3259         (output_line_info): For version 4 and above emit additional
3260         maximum ops per insn header field.
3261         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3262
3263         * dwarf2out.c (is_c_family, is_java): Remove.
3264         (lower_bound_default): New function.
3265         (add_bound_info, gen_descr_array_type_die): Use it.
3266
3267 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3268
3269         PR debug/43325
3270         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3271         re-declaration when it happens in a function.
3272
3273 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3274
3275         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3276         (cgraph_remove_function_insertion_hook): Same.
3277         (cgraph_call_function_insertion_hooks): Same.
3278
3279 2010-04-01  Richard Guenther  <rguenther@suse.de>
3280
3281         PR middle-end/43614
3282         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3283         and TREE_THIS_VOLATILE.
3284         (copy_ref_info): Likewise.
3285         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3286         * tree.c (build6_stat): Ignore side-effects of all but arg5
3287         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3288         TARGET_MEM_REF.
3289
3290 2010-04-01  Richard Guenther  <rguenther@suse.de>
3291
3292         PR tree-optimization/43607
3293         * ipa-type-escape.c (check_call): Do not access non-existing
3294         arguments.
3295
3296 2010-04-01  Richard Guenther  <rguenther@suse.de>
3297
3298         PR middle-end/43602
3299         Revert
3300         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3301                     Jack Howarth <howarth@bromo.med.uc.edu>
3302
3303         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3304         variables TLS.
3305
3306 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3307
3308         * doc/install.texi (Prerequisites): Document libelf usability on
3309         IRIX 5/6 and Solaris 2.
3310         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3311         Update GNU as, GNU ld requirements.
3312         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3313         Document Sun Studio compiler download.
3314         Update and simplify as, ld recommendations.
3315         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3316
3317 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3318
3319         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3320         with_tune_32 to pentium4.
3321
3322 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3323
3324         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3325
3326 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3327
3328         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3329         obsoletion, removal.
3330         Update IDO URL.
3331         Document GNU as requirement.
3332         Update configure requirements.
3333         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3334         Recomment IRIX 6.5.18+.
3335         Document IDF/IDL requirement.
3336         Document GNU as requirement.
3337         Document GNU ld bootstrap failure.
3338         Remove freeware.sgi.com reference.
3339
3340 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3341
3342         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3343         UNIX V4.0, V5.0 obsoletion, removal.
3344         Remove --with-gc=simple reference.
3345         Update VM requirements during bootstrap.
3346         Remove -oldas bootstrap description.
3347         Update binutils reference.
3348         Remove comparison failure note.
3349
3350 2010-03-31  Richard Guenther  <rguenther@suse.de>
3351             Zdenek Dvorak  <ook@ucw.cz>
3352             Sebastian Pop  <sebastian.pop@amd.com>
3353
3354         PR middle-end/43464
3355         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3356         with multiple arguments.
3357         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3358
3359 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3360
3361         * graphite-dependences.c (print_pddr): Call print_pdr with an
3362         extra argument.
3363         * graphite-poly.c (debug_pdr): Add an extra argument for the
3364         verbosity level.
3365         (print_pdr): Same.
3366         (print_pbb_domain): Same.
3367         (print_pbb): Same.
3368         (print_scop_context): Same.
3369         (print_scop): Same.
3370         (print_cloog): Same.
3371         (debug_pbb_domain): Same.
3372         (debug_pbb): Same.
3373         (print_pdrs): Same.
3374         (debug_pdrs): Same.
3375         (debug_scop_context): Same.
3376         (debug_scop): Same.
3377         (debug_cloog): Same.
3378         (print_scop_params): Same.
3379         (debug_scop_params): Same.
3380         (print_iteration_domain): Same.
3381         (print_iteration_domains): Same.
3382         (debug_iteration_domain): Same.
3383         (debug_iteration_domains): Same.
3384         (print_scattering_function): Same.
3385         (print_scattering_functions): Same.
3386         (debug_scattering_function): Same.
3387         (debug_scattering_functions): Same.
3388         * graphite-poly.h (debug_pdr): Update declaration.
3389         (print_pdr): Same.
3390         (print_pbb_domain): Same.
3391         (print_pbb): Same.
3392         (print_scop_context): Same.
3393         (print_scop): Same.
3394         (print_cloog): Same.
3395         (debug_pbb_domain): Same.
3396         (debug_pbb): Same.
3397         (print_pdrs): Same.
3398         (debug_pdrs): Same.
3399         (debug_scop_context): Same.
3400         (debug_scop): Same.
3401         (debug_cloog): Same.
3402         (print_scop_params): Same.
3403         (debug_scop_params): Same.
3404         (print_iteration_domain): Same.
3405         (print_iteration_domains): Same.
3406         (debug_iteration_domain): Same.
3407         (debug_iteration_domains): Same.
3408         (print_scattering_function): Same.
3409         (print_scattering_functions): Same.
3410         (debug_scattering_function): Same.
3411         (debug_scattering_functions): Same.
3412
3413 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3414
3415         * graphite-poly.c (print_scattering_function_1): New.
3416         (print_scattering_function): Call it.
3417         (print_scop_params): Remove spaces at the end of lines.
3418         (print_cloog): New.
3419         (debug_cloog): New.
3420         * graphite-poly.h (print_cloog): Declared.
3421         (debug_cloog): Declared.
3422
3423 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3424
3425         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3426         in loop->header.
3427         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3428         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.